"warning- nodes of same pack"
Profiling results
-----------------
  Total cpu time observed: 952ms (out of 1172ms)
  Number of samples taken: 5 (once every 190ms)

==================================================================
                              Caller
 Idx  Total       Self      Name+src                        Local%
      ms(pct)     ms(pct)     Callee
==================================================================
 [1] 952(100.0%)   0(0.0%)  ??? ...lects/racket/private/more-scheme.rkt:261:28
                              profile-thunk16 [2]           100.0%
------------------------------------------------------------------
                              ??? [1]                       100.0%
 [2] 952(100.0%)   0(0.0%)  profile-thunk16 ...e/pkgs/profile-lib/main.rkt:9:0
                              run [3]                       100.0%
------------------------------------------------------------------
                              profile-thunk16 [2]           100.0%
 [3] 952(100.0%)   0(0.0%)  run ...et-7.5/share/pkgs/profile-lib/main.rkt:39:2
                              .../more-scheme.rkt:261:28 [4]100.0%
------------------------------------------------------------------
                              run [3]                       100.0%
 [4] 952(100.0%)   0(0.0%)  .../more-scheme.rkt:261:28 (unknown source)
                              prepare-points-intervals [5]   80.7%
                              eval-errors [6]                19.3%
------------------------------------------------------------------
                              .../more-scheme.rkt:261:28 [4]100.0%
 [5] 768(80.7%)    0(0.0%)  prepare-points-intervals ...2/src/points.rkt:120:0
                              loop [7]                      100.0%
------------------------------------------------------------------
                              .../more-scheme.rkt:261:28 [4]100.0%
 [6] 184(19.3%)    0(0.0%)  eval-errors ...h-rebuilding-2/src/points.rkt:168:0
                              for-loop [8]                  100.0%
------------------------------------------------------------------
                              prepare-points-intervals [5]  100.0%
 [7] 768(80.7%)    0(0.0%)  loop ...-regraph-rebuilding-2/src/points.rkt:132:4
                              loop [9]                       74.7%
                              ??? [10]                       25.3%
------------------------------------------------------------------
                              eval-errors [6]               100.0%
 [8] 184(19.3%)    0(0.0%)  for-loop ...raph-rebuilding-2/src/points.rkt:170:2
                              ??? [11]                      100.0%
------------------------------------------------------------------
                              loop [7]                      100.0%
 [9] 574(60.3%)  184(19.3%) loop ...y-regraph-rebuilding-2/src/points.rkt:79:2
                              ??? [12]                       34.8%
                              real->precision [14]           33.1%
------------------------------------------------------------------
                              loop [7]                      100.0%
[10] 194(20.4%)    0(0.0%)  ??? ...y-regraph-rebuilding-2/src/points.rkt:113:6
                              sample-multi-bounded [13]     100.0%
------------------------------------------------------------------
                              for-loop [8]                  100.0%
[11] 184(19.3%)  184(19.3%) ??? ...7.5/collects/racket/private/for.rkt:1236:14
------------------------------------------------------------------
                              loop [9]                      100.0%
[12] 200(21.0%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:379:33
                              ival-add [15]                 100.0%
------------------------------------------------------------------
                              ??? [10]                      100.0%
[13] 194(20.4%)    0(0.0%)  sample-multi-bounded ...ding-2/src/points.rkt:14:0
                              random-ranges [16]            100.0%
------------------------------------------------------------------
                              loop [9]                      100.0%
[14] 190(20.0%)    0(0.0%)  real->precision ...ilding-2/src/programs.rkt:94:11
                              ??? [17]                      100.0%
------------------------------------------------------------------
                              ??? [12]                      100.0%
[15] 200(21.0%)    0(0.0%)  ival-add ...rebuilding-2/src/biginterval.rkt:102:0
                              bfadd [18]                    100.0%
------------------------------------------------------------------
                              sample-multi-bounded [13]     100.0%
[16] 194(20.4%)    0(0.0%)  random-ranges ...rebuilding-2/src/common.rkt:164:0
                              build--> [19]                 100.0%
------------------------------------------------------------------
                              real->precision [14]          100.0%
[17] 190(20.0%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:375:33
                              bf [20]                       100.0%
------------------------------------------------------------------
                              ival-add [15]                 100.0%
[18] 200(21.0%)    0(0.0%)  bfadd ...-lib/math/private/bigfloat/mpfr.rkt:835:4
                              new-mpfr [21]                 100.0%
------------------------------------------------------------------
                              random-ranges [16]            100.0%
[19] 194(20.4%)    0(0.0%)  build--> ...act/private/arrow-val-first.rkt:1214:0
                              coerce-contract [22]          100.0%
------------------------------------------------------------------
                              ??? [17]                      100.0%
[20] 190(20.0%)    0(0.0%)  bf ...ath-lib/math/private/bigfloat/mpfr.rkt:615:2
                              ??? [23]                      100.0%
------------------------------------------------------------------
                              bfadd [18]                    100.0%
[21] 200(21.0%)  200(21.0%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:348:0
------------------------------------------------------------------
                              build--> [19]                 100.0%
[22] 194(20.4%)    0(0.0%)  coerce-contract ...contract/private/guts.rkt:307:0
                              coerce-contract/f [24]        100.0%
------------------------------------------------------------------
                              bf [20]                       100.0%
[23] 190(20.0%)  190(20.0%) ??? /opt/racket-7.5/collects/ffi/unsafe.rkt:938:4
------------------------------------------------------------------
                              coerce-contract [22]          100.0%
[24] 194(20.4%)    0(0.0%)  coerce-contract/f ...ntract/private/guts.rkt:372:0
                              coerce-simple-value [25]      100.0%
------------------------------------------------------------------
                              coerce-contract/f [24]        100.0%
[25] 194(20.4%)  194(20.4%) coerce-simple-value ...ract/private/guts.rkt:385:0
------------------------------------------------------------------