Profiling results ----------------- Total cpu time observed: 20532ms (out of 20948ms) Number of samples taken: 56 (once every 367ms) ========================================================================= Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee ========================================================================= run [9] 50.0% [1] 20532(100.0%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk16 [4] 50.0% loop [5] 31.8% get-final-combination [6] 9.8% run-improve39 [7] 8.4% ------------------------------------------------------------------------- hash-ref! [33] 100.0% [2] 312(1.5%) 0(0.0%) parse-loop14 ...s/racket/match/compiler.rkt:418:15 loop [8] 100.0% ------------------------------------------------------------------------- copying-mergesort [44] 100.0% [3] 302(1.5%) 0(0.0%) jloop ...t/collects/racket/private/sort.rkt:120:23 ??? [51] 100.0% ------------------------------------------------------------------------- ??? [1] 100.0% [4] 20532(100.0%) 0(0.0%) profile-thunk16 ...e/pkgs/profile-lib/main.rkt:9:0 run [9] 100.0% ------------------------------------------------------------------------- pred [37] 4.6% ??? [1] 95.4% [5] 13694(66.7%) 0(0.0%) loop ...e/biginterval-sampler/src/points.rkt:241:2 make-exacts-intervals [10] 94.8% for-loop [14] 5.2% ------------------------------------------------------------------------- ??? [1] 100.0% [6] 4004(19.5%) 0(0.0%) get-final-combination ...er/src/mainloop.rkt:310:0 infer-splitpoints [11] 84.4% f8 [13] 15.6% ------------------------------------------------------------------------- ??? [1] 100.0% [7] 3460(16.9%) 0(0.0%) run-improve39 ...al-sampler/src/mainloop.rkt:287:0 for-loop [12] 91.6% setup-prog!32 [15] 8.4% ------------------------------------------------------------------------- parse-loop14 [2] 100.0% [8] 312(1.5%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:40:19 hash-ref! [33] 100.0% ------------------------------------------------------------------------- profile-thunk16 [4] 100.0% [9] 20532(100.0%) 0(0.0%) run ...racket/share/pkgs/profile-lib/main.rkt:39:2 ??? [1] 100.0% ------------------------------------------------------------------------- loop [5] 100.0% [10] 12976(63.2%) 0(0.0%) make-exacts-intervals ...pler/src/points.rkt:182:0 for-loop [16] 97.6% loop [22] 2.4% ------------------------------------------------------------------------- get-final-combination [6] 100.0% [11] 3378(16.5%) 0(0.0%) infer-splitpoints ...ler/src/core/regimes.rkt:32:0 for-loop [17] 100.0% ------------------------------------------------------------------------- run-improve39 [7] 100.0% [12] 3168(15.4%) 0(0.0%) for-loop ...nterval-sampler/src/mainloop.rkt:304:8 run-iter! [18] 100.0% ------------------------------------------------------------------------- hash-ref! [33] 33.3% get-final-combination [6] 66.7% [13] 938(4.6%) 0(0.0%) f8 ...et/collects/racket/match/compiler.rkt:507:40 sindices->spoints [20] 66.7% map [21] 33.3% ------------------------------------------------------------------------- loop [5] 100.0% [14] 718(3.5%) 0(0.0%) for-loop ...interval-sampler/src/points.rkt:256:19 for-loop [19] 100.0% ------------------------------------------------------------------------- run-improve39 [7] 100.0% [15] 292(1.4%) 0(0.0%) setup-prog!32 ...val-sampler/src/mainloop.rkt:63:0 ??? [28] 100.0% ------------------------------------------------------------------------- make-exacts-intervals [10] 100.0% [16] 12666(61.7%) 0(0.0%) for-loop ...ginterval-sampler/src/points.rkt:185:2 loop [22] 97.3% ??? [56] 2.7% ------------------------------------------------------------------------- infer-splitpoints [11] 100.0% [17] 3378(16.5%) 322(1.6%) for-loop ...rval-sampler/src/core/regimes.rkt:44:6 option-on-expr [23] 90.5% ------------------------------------------------------------------------- for-loop [12] 100.0% [18] 3168(15.4%) 0(0.0%) run-iter! ...terval-sampler/src/mainloop.rkt:268:0 simplify! [24] 55.4% finalize-iter! [25] 34.8% localize-error [27] 9.8% ------------------------------------------------------------------------- for-loop [14] 100.0% [19] 718(3.5%) 0(0.0%) for-loop ...ginterval-sampler/src/points.rkt:233:4 ??? [56] 100.0% ------------------------------------------------------------------------- f8 [13] 100.0% [20] 626(3.0%) 0(0.0%) sindices->spoints ...er/src/core/regimes.rkt:177:0 for-loop [26] 100.0% ------------------------------------------------------------------------- f8 [13] 100.0% [21] 312(1.5%) 0(0.0%) map ...acket/collects/racket/private/map.rkt:35:13 hash-ref! [33] 100.0% ------------------------------------------------------------------------- make-exacts-intervals [10] 2.5% for-loop [16] 97.5% [22] 12630(61.5%) 0(0.0%) loop ...e/biginterval-sampler/src/points.rkt:167:2 ??? [51] 94.1% ??? [28] 3.4% ??? [56] 2.5% ------------------------------------------------------------------------- for-loop [17] 100.0% [23] 3056(14.9%) 0(0.0%) option-on-expr ...mpler/src/core/regimes.rkt:112:0 sort-context-on-expr [29] 59.1% for-loop [31] 40.9% ------------------------------------------------------------------------- run-iter! [18] 100.0% [24] 1754(8.5%) 0(0.0%) simplify! ...terval-sampler/src/mainloop.rkt:182:0 for-loop [30] 100.0% ------------------------------------------------------------------------- run-iter! [18] 100.0% [25] 1102(5.4%) 0(0.0%) finalize-iter! ...l-sampler/src/mainloop.rkt:222:0 ??? [28] 100.0% ------------------------------------------------------------------------- sindices->spoints [20] 100.0% [26] 626(3.0%) 0(0.0%) for-loop ...val-sampler/src/core/regimes.rkt:209:9 binary-search-floats [32] 50.5% pred [37] 49.5% ------------------------------------------------------------------------- run-iter! [18] 100.0% [27] 312(1.5%) 0(0.0%) localize-error ...mpler/src/core/localize.rkt:51:0 hash-ref! [33] 100.0% ------------------------------------------------------------------------- setup-prog!32 [15] 16.0% loop [22] 23.7% finalize-iter! [25] 60.3% [28] 1828(8.9%) 0(0.0%) ??? ...contract/private/arrow-val-first.rkt:388:18 for-loop [36] 60.3% ??? [38] 23.7% make-alt-table [40] 16.0% ------------------------------------------------------------------------- option-on-expr [23] 100.0% [29] 1806(8.8%) 0(0.0%) sort-context-on-expr ...ampler/src/points.rkt:90:0 ??? [34] 100.0% ------------------------------------------------------------------------- simplify! [24] 100.0% [30] 1754(8.5%) 0(0.0%) for-loop ...nterval-sampler/src/mainloop.rkt:186:6 for-loop [35] 100.0% ------------------------------------------------------------------------- option-on-expr [23] 100.0% [31] 1250(6.1%) 0(0.0%) for-loop ...val-sampler/src/core/regimes.rkt:120:4 errors [47] 100.0% ------------------------------------------------------------------------- for-loop [26] 100.0% [32] 316(1.5%) 0(0.0%) binary-search-floats ...src/core/regimes.rkt:158:0 pred [37] 100.0% ------------------------------------------------------------------------- localize-error [27] 20.0% loop [8] 40.0% map [21] 40.0% [33] 312(1.5%) 0(0.0%) hash-ref! .../racket/private/more-scheme.rkt:376:2 f8 [13] 40.0% parse-loop14 [2] 40.0% ??? [39] 20.0% ------------------------------------------------------------------------- sort-context-on-expr [29] 100.0% [34] 1806(8.8%) 0(0.0%) ??? ...cket/collects/racket/private/sort.rkt:369:3 generic-sort/key [41] 67.2% loop [48] 32.8% ------------------------------------------------------------------------- for-loop [30] 100.0% [35] 1754(8.5%) 0(0.0%) for-loop ...nterval-sampler/src/mainloop.rkt:210:8 ??? [56] 100.0% ------------------------------------------------------------------------- ??? [28] 100.0% [36] 1102(5.4%) 0(0.0%) for-loop ...al-sampler/src/core/alt-table.rkt:51:2 atab-add-altn [42] 100.0% ------------------------------------------------------------------------- for-loop [26] 49.5% binary-search-floats [32] 50.5% [37] 626(3.0%) 0(0.0%) pred ...nterval-sampler/src/core/regimes.rkt:185:4 loop [5] 100.0% ------------------------------------------------------------------------- ??? [28] 100.0% [38] 434(2.1%) 0(0.0%) ??? ...ects/racket/contract/private/prop.rkt:519:4 ??? [43] 100.0% ------------------------------------------------------------------------- hash-ref! [33] 100.0% [39] 312(1.5%) 0(0.0%) ??? ...nterval-sampler/src/core/localize.rkt:22:13 bf [77] 100.0% ------------------------------------------------------------------------- ??? [28] 100.0% [40] 292(1.4%) 0(0.0%) make-alt-table ...pler/src/core/alt-table.rkt:32:0 errors [47] 100.0% ------------------------------------------------------------------------- ??? [34] 100.0% [41] 1214(5.9%) 0(0.0%) generic-sort/key .../racket/private/sort.rkt:156:2 copying-mergesort [44] 100.0% ------------------------------------------------------------------------- for-loop [36] 100.0% [42] 1102(5.4%) 0(0.0%) atab-add-altn ...pler/src/core/alt-table.rkt:210:0 best-and-tied-at-points [45] 50.1% override-at-pnts [46] 49.9% ------------------------------------------------------------------------- ??? [38] 100.0% [43] 434(2.1%) 434(2.1%) ??? ...lects/racket/contract/private/orc.rkt:83:14 ------------------------------------------------------------------------- generic-sort/key [41] 45.7% copying-mergesort [44] 54.3% [44] 1214(5.9%) 302(1.5%) copying-mergesort ...racket/private/sort.rkt:129:8 copying-mergesort [44] 54.3% loop [48] 33.2% jloop [3] 6.2% ------------------------------------------------------------------------- atab-add-altn [42] 100.0% [45] 552(2.7%) 0(0.0%) best-and-tied-at-points ...ore/alt-table.rkt:122:0 errors [47] 100.0% ------------------------------------------------------------------------- atab-add-altn [42] 100.0% [46] 550(2.7%) 0(0.0%) override-at-pnts ...r/src/core/alt-table.rkt:145:0 errors [47] 100.0% ------------------------------------------------------------------------- make-alt-table [40] 11.0% override-at-pnts [46] 20.8% best-and-tied-at-points [45] 20.9% for-loop [31] 47.3% [47] 2644(12.9%) 0(0.0%) errors ...biginterval-sampler/src/points.rkt:282:0 for-loop [49] 77.5% eval-prog [50] 22.5% ------------------------------------------------------------------------- ??? [34] 49.3% copying-mergesort [44] 50.7% [48] 1202(5.9%) 0(0.0%) loop ...ket/collects/racket/private/sort.rkt:96:12 ??? [51] 76.0% ??? [56] 24.0% ------------------------------------------------------------------------- errors [47] 100.0% [49] 2048(10.0%) 0(0.0%) for-loop ...ginterval-sampler/src/points.rkt:285:4 ??? [51] 70.7% ulp-difference [53] 15.0% ??? [56] 14.3% ------------------------------------------------------------------------- errors [47] 100.0% [50] 596(2.9%) 0(0.0%) eval-prog ...terval-sampler/src/programs.rkt:108:0 inductor [52] 54.0% temp68_2 [54] 46.0% ------------------------------------------------------------------------- jloop [3] 2.1% loop [48] 6.3% for-loop [49] 10.0% loop [22] 81.7% [51] 14548(70.9%) 0(0.0%) ??? .../biginterval-sampler/src/programs.rkt:124:2 ??? [55] 70.2% ??? [60] 27.7% ??? [56] 2.1% ------------------------------------------------------------------------- eval-prog [50] 100.0% [52] 322(1.6%) 0(0.0%) inductor ...nterval-sampler/src/programs.rkt:113:4 ...mpler/src/common.rkt:48:2 [57]100.0% ------------------------------------------------------------------------- for-loop [49] 100.0% [53] 308(1.5%) 0(0.0%) ulp-difference ...erval-sampler/src/float.rkt:19:0 list-member? [58] 100.0% ------------------------------------------------------------------------- eval-prog [50] 100.0% [54] 274(1.3%) 0(0.0%) temp68_2 (unknown source) compile16 [59] 100.0% ------------------------------------------------------------------------- ??? [51] 100.0% [55] 10210(49.7%) 1748(8.5%) ??? ...acket/collects/racket/private/kw.rkt:592:14 ??? [60] 73.8% ??? [64] 6.1% ??? [66] 2.9% ------------------------------------------------------------------------- loop [48] 7.2% for-loop [49] 7.3% ??? [51] 7.5% loop [22] 7.8% for-loop [16] 8.6% for-loop [19] 17.9% location-do [62] 21.9% for-loop [35] 21.9% [56] 4012(19.5%) 364(1.8%) ??? ...tract/private/arrow-higher-order.rkt:357:33 ->flonum [63] 38.4% location-do [62] 21.9% ??? [61] 21.9% sample-multi-bounded [65] 8.8% ------------------------------------------------------------------------- inductor [52] 100.0% [57] 322(1.6%) 322(1.6%) ...mpler/src/common.rkt:48:2 ...e/arr-i.rkt:918:19 ------------------------------------------------------------------------- ulp-difference [53] 100.0% [58] 308(1.5%) 308(1.5%) list-member? ...llects/racket/private/set.rkt:24:0 ------------------------------------------------------------------------- temp68_2 [54] 100.0% [59] 274(1.3%) 0(0.0%) compile16 (unknown source) temp74_0 [67] 100.0% ------------------------------------------------------------------------- ??? [51] 34.9% ??? [55] 65.1% [60] 11574(56.4%) 0(0.0%) ??? ...tract/private/arrow-higher-order.rkt:361:33 mk-ival [68] 34.9% ival-log [69] 32.7% ival-mult [70] 23.6% ival-add [72] 6.0% ival-sqrt [75] 2.7% ------------------------------------------------------------------------- ??? [56] 100.0% [61] 1754(8.5%) 0(0.0%) ??? ...interval-sampler/src/core/simplify.rkt:31:0 iterate-egraph!7 [71] 100.0% ------------------------------------------------------------------------- ??? [56] 33.3% location-do [62] 66.7% [62] 1754(8.5%) 0(0.0%) location-do ...erval-sampler/src/programs.rkt:89:0 location-do [62] 66.7% ??? [56] 33.3% ------------------------------------------------------------------------- ??? [56] 100.0% [63] 1540(7.5%) 312(1.5%) ->flonum ...interval-sampler/src/programs.rkt:36:0 return/no-unsupplied [73] 41.2% ??? [74] 38.6% ------------------------------------------------------------------------- ??? [55] 100.0% [64] 624(3.0%) 624(3.0%) ??? ...terval-sampler/src/syntax/syntax.rkt:196:17 ------------------------------------------------------------------------- ??? [56] 100.0% [65] 354(1.7%) 354(1.7%) sample-multi-bounded ...ampler/src/points.rkt:43:0 ------------------------------------------------------------------------- ??? [55] 100.0% [66] 300(1.5%) 300(1.5%) ??? ...rivate/unconstrained-domain-arrow.rkt:40:13 ------------------------------------------------------------------------- compile16 [59] 100.0% [67] 274(1.3%) 0(0.0%) temp74_0 (unknown source) expand-single [76] 100.0% ------------------------------------------------------------------------- ??? [60] 100.0% [68] 4036(19.7%) 642(3.1%) mk-ival ...terval-sampler/src/biginterval.rkt:49:0 bf [77] 84.1% ------------------------------------------------------------------------- ??? [60] 100.0% [69] 3790(18.5%) 720(3.5%) ival-log ...rval-sampler/src/biginterval.rkt:119:0 ??? [84] 81.0% ------------------------------------------------------------------------- ??? [60] 100.0% [70] 2734(13.3%) 0(0.0%) ival-mult ...rval-sampler/src/biginterval.rkt:91:0 bf* [79] 38.6% foldl [80] 37.1% ...higher-order.rkt:361:33 [86] 12.7% bfmax* [82] 11.6% ------------------------------------------------------------------------- ??? [61] 100.0% [71] 1754(8.5%) 300(1.5%) iterate-egraph!7 ...ler/src/core/simplify.rkt:55:0 one-iter [78] 82.9% ------------------------------------------------------------------------- ??? [60] 100.0% [72] 696(3.4%) 312(1.5%) ival-add ...erval-sampler/src/biginterval.rkt:73:0 ??? [84] 55.2% ------------------------------------------------------------------------- ->flonum [63] 100.0% [73] 634(3.1%) 288(1.4%) return/no-unsupplied ...ct/private/arr-i.rkt:534:0 filter [81] 54.6% ------------------------------------------------------------------------- ->flonum [63] 100.0% [74] 594(2.9%) 594(2.9%) ??? ...s/racket/contract/private/arr-i.rkt:1252:29 ------------------------------------------------------------------------- ??? [60] 100.0% [75] 318(1.5%) 0(0.0%) ival-sqrt ...val-sampler/src/biginterval.rkt:131:0 ??? [84] 100.0% ------------------------------------------------------------------------- temp74_0 [67] 100.0% [76] 274(1.3%) 0(0.0%) expand-single (unknown source) expand-capturing-lifts [83] 100.0% ------------------------------------------------------------------------- ??? [39] 8.4% mk-ival [68] 91.6% [77] 3706(18.0%) 0(0.0%) bf ...ath-lib/math/private/bigfloat/mpfr.rkt:601:2 new-mpfr [95] 90.0% ??? [96] 10.0% ------------------------------------------------------------------------- iterate-egraph!7 [71] 100.0% [78] 1454(7.1%) 0(0.0%) one-iter ...val-sampler/src/core/simplify.rkt:66:0 for-loop [85] 59.3% for-loop [87] 40.7% ------------------------------------------------------------------------- ival-mult [70] 100.0% [79] 1056(5.1%) 0(0.0%) bf* ...ath/private/bigfloat/bigfloat-mpfr.rkt:95:0 ??? [84] 100.0% ------------------------------------------------------------------------- ival-mult [70] 100.0% [80] 1014(4.9%) 310(1.5%) foldl ...et/collects/racket/private/list.rkt:229:4 ??? [84] 69.4% ------------------------------------------------------------------------- return/no-unsupplied [73] 100.0% [81] 346(1.7%) 346(1.7%) filter ...t/collects/racket/private/list.rkt:256:2 ------------------------------------------------------------------------- ival-mult [70] 100.0% [82] 316(1.5%) 0(0.0%) bfmax* ...nterval-sampler/src/biginterval.rkt:88:0 ...higher-order.rkt:361:33 [86] 100.0% ------------------------------------------------------------------------- expand-single [76] 100.0% [83] 274(1.3%) 0(0.0%) expand-capturing-lifts (unknown source) lambda-clause-expander [88] 100.0% ------------------------------------------------------------------------- ival-sqrt [75] 5.7% ival-add [72] 6.9% foldl [80] 12.7% bf* [79] 19.1% ival-log [69] 55.5% [84] 5532(26.9%) 1770(8.6%) ??? ...-racket/utils/simple-result-arrow.rkt:39:12 bfmul [89] 38.8% bflog [90] 29.2% ------------------------------------------------------------------------- for-loop [85] 50.0% one-iter [78] 50.0% [85] 862(4.2%) 0(0.0%) for-loop ...al-sampler/src/core/simplify.rkt:76:12 for-loop [85] 50.0% match-e [91] 50.0% ------------------------------------------------------------------------- bfmax* [82] 47.6% ival-mult [70] 52.4% [86] 664(3.2%) 0(0.0%) ...higher-order.rkt:361:33 (unknown source) ??? [92] 100.0% ------------------------------------------------------------------------- one-iter [78] 100.0% [87] 592(2.9%) 0(0.0%) for-loop ...al-sampler/src/core/simplify.rkt:113:2 for-loop [93] 100.0% ------------------------------------------------------------------------- expand-capturing-lifts [83] 100.0% [88] 274(1.3%) 0(0.0%) lambda-clause-expander (unknown source) finish-bodys [94] 100.0% ------------------------------------------------------------------------- ??? [84] 100.0% [89] 2144(10.4%) 0(0.0%) bfmul ...-lib/math/private/bigfloat/mpfr.rkt:821:4 ??? [96] 69.7% new-mpfr [95] 30.3% ------------------------------------------------------------------------- ??? [84] 100.0% [90] 1618(7.9%) 0(0.0%) bflog ...-lib/math/private/bigfloat/mpfr.rkt:618:4 ??? [96] 59.1% new-mpfr [95] 40.9% ------------------------------------------------------------------------- for-loop [85] 100.0% [91] 862(4.2%) 588(2.9%) match-e ...terval-sampler/src/core/ematch.rkt:46:0 for-loop [99] 31.8% ------------------------------------------------------------------------- ...higher-order.rkt:361:33 [86] 100.0% [92] 664(3.2%) 348(1.7%) ??? ...cts/racket/contract/private/list.rkt:209:10 ??? [97] 47.6% ------------------------------------------------------------------------- for-loop [87] 100.0% [93] 592(2.9%) 0(0.0%) for-loop ...val-sampler/src/core/simplify.rkt:98:4 mk-enode! [103] 51.7% substitute-e [98] 48.3% ------------------------------------------------------------------------- lambda-clause-expander [88] 11.1% for-loop [100] 88.9% [94] 274(1.3%) 0(0.0%) finish-bodys (unknown source) for-loop [100] 100.0% ------------------------------------------------------------------------- bfmul [89] 14.0% bflog [90] 14.2% bf [77] 71.8% [95] 4648(22.6%) 4648(22.6%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:335:0 ------------------------------------------------------------------------- bf [77] 13.1% bflog [90] 33.9% bfmul [89] 53.0% [96] 2820(13.7%) 2820(13.7%) ??? /home/p92/racket/collects/ffi/unsafe.rkt:898:4 ------------------------------------------------------------------------- ??? [92] 100.0% [97] 316(1.5%) 316(1.5%) ??? ...ects/racket/contract/private/guts.rkt:746:8 ------------------------------------------------------------------------- for-loop [93] 100.0% [98] 286(1.4%) 0(0.0%) substitute-e ...l-sampler/src/core/ematch.rkt:71:0 for-loop [101] 100.0% ------------------------------------------------------------------------- match-e [91] 100.0% [99] 274(1.3%) 274(1.3%) for-loop ...rval-sampler/src/core/ematch.rkt:59:11 ------------------------------------------------------------------------- for-loop [100] 18.2% finish-bodys [94] 81.8% [100] 274(1.3%) 0(0.0%) for-loop (unknown source) finish-bodys [94] 72.7% for-loop [100] 18.2% add-local-binding!37 [102] 9.1% ------------------------------------------------------------------------- substitute-e [98] 100.0% [101] 286(1.4%) 0(0.0%) for-loop ...rval-sampler/src/core/ematch.rkt:80:24 mk-enode! [103] 100.0% ------------------------------------------------------------------------- for-loop [100] 100.0% [102] 274(1.3%) 274(1.3%) add-local-binding!37 (unknown source) ------------------------------------------------------------------------- for-loop [101] 48.3% for-loop [93] 51.7% [103] 592(2.9%) 0(0.0%) mk-enode! ...val-sampler/src/core/egraph.rkt:102:0 new-enode [104] 100.0% ------------------------------------------------------------------------- mk-enode! [103] 100.0% [104] 592(2.9%) 0(0.0%) new-enode ...erval-sampler/src/core/enode.rkt:95:0 type-of-enode-expr [105] 100.0% ------------------------------------------------------------------------- new-enode [104] 100.0% [105] 592(2.9%) 0(0.0%) type-of-enode-expr ...pler/src/core/enode.rkt:68:0 table-ref [106] 100.0% ------------------------------------------------------------------------- type-of-enode-expr [105] 100.0% [106] 592(2.9%) 286(1.4%) table-ref ...ginterval-sampler/src/common.rkt:47:0 ??? [107] 51.7% ------------------------------------------------------------------------- table-ref [106] 100.0% [107] 306(1.5%) 0(0.0%) ??? ...ects/racket/contract/private/list.rkt:798:4 for-loop [108] 100.0% ------------------------------------------------------------------------- ??? [107] 100.0% [108] 306(1.5%) 306(1.5%) for-loop ...acket/contract/private/list.rkt:804:12 -------------------------------------------------------------------------