Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided in four parts:
  1. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provide some useful information on the computer.
  2. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser !
  3. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to 1200 seconds. After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to 1230 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (900Mb).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  4. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.

General information on the benchmark

Namemps-v2-20-10/ftp.netlib.org/lp/data/normalized-mps-v2-20-10-scsd8.opb
MD5SUM63dde7c8c3b02bd89e3e065c5bd58b69
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of terms in the objective function 82500
Biggest coefficient in the objective function 221357547985043456
Number of bits for the biggest coefficient in the objective function 58
Sum of the numbers in the objective function 595796164546237562880
Number of bits of the sum of numbers in the objective function 70
Biggest number in a constraint 221357547985043456
Number of bits of the biggest number in a constraint 58
Biggest sum of numbers in a constraint 595796164546237562880
Number of bits of the biggest sum of numbers70
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Number of variables82500
Total number of constraints397
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints397
Minimum length of a constraint300
Maximum length of a constraint720

Trace number 9937

Launcher Data

LAUNCH ON wulflinc27 THE 2005-09-23 16:10:48 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=8669 boxname=wulflinc27 idbench=465 idsolver=8 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  63dde7c8c3b02bd89e3e065c5bd58b69  /oldhome/oroussel/tmp/wulflinc27/normalized-mps-v2-20-10-scsd8.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc27/normalized-mps-v2-20-10-scsd8.opb
IDLAUNCH: 8669
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.039
cache size	: 512 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 2
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips	: 888.83

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.039
cache size	: 512 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 2
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips	: 901.12

/proc/meminfo:
MemTotal:      1034660 kB
MemFree:        931044 kB
Buffers:         11436 kB
Cached:          74788 kB
SwapCached:          0 kB
Active:          55264 kB
Inactive:        33860 kB
HighTotal:      131008 kB
HighFree:        51800 kB
LowTotal:       903652 kB
LowFree:        879244 kB
SwapTotal:     2097892 kB
SwapFree:      2097892 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6984 kB
Slab:             8924 kB
Committed_AS:    63660 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-09-23 16:15:29 (client local time) WITH STATUS 1 IN 280.525 SECONDS
stats: 8669 7 280.525 1

Solver Data

c This solver internally uses Chaff 2004.11.15 Simplified

	Unexpected exception :
	St9bad_alloc

Watcher Data

Enforcing CPU limit (will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1230 seconds
Enforcing Stack size limit: 67108864 bytes
Enforcing memory limit (will send SIGTERM then SIGKILL): 921600 Kb
Enforcing VSIZE limit: 994918400 bytes
Current StackSize limit: 67108864 bytes
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 18 0 0 0 0 0 0 0 23 0 1 0 21486075 1527808 2 4294967295 134512640 135987407 3221224560 3221224560 134512928 0 0 5 0 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 373 2 364 364 0 9 0
[pid=8666] vsize: 1492
open syscall for file /oldhome/oroussel/tmp/wulflinc27/normalized-mps-v2-20-10-scsd8.opb

[startup+10.0021 s]
Raw data (loadavg): 0.93 0.96 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 2541 0 0 0 991 6 0 0 25 0 1 0 21486075 9506816 1854 4294967295 134512640 135987407 3221224560 3221221872 134555863 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 2321 1854 364 364 0 1957 0
[pid=8666] vsize: 9284
Current children cumulated CPU time (s) 9.97
Current children cumulated vsize (Kb) 9284

[startup+20.0029 s]
Raw data (loadavg): 0.94 0.96 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 3041 0 0 0 1989 8 0 0 25 0 1 0 21486075 10723328 2346 4294967295 134512640 135987407 3221224560 3221221872 134555861 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 2618 2346 364 364 0 2254 0
[pid=8666] vsize: 10472
Current children cumulated CPU time (s) 19.97
Current children cumulated vsize (Kb) 10472

[startup+30.0028 s]
Raw data (loadavg): 0.95 0.96 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 4404 0 0 0 2985 12 0 0 25 0 1 0 21486075 15634432 2965 4294967295 134512640 135987407 3221224560 3221221872 134555859 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 3817 2965 364 364 0 3453 0
[pid=8666] vsize: 15268
Current children cumulated CPU time (s) 29.97
Current children cumulated vsize (Kb) 15268

[startup+40.0036 s]
Raw data (loadavg): 0.95 0.96 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 4669 0 0 0 3984 13 0 0 25 0 1 0 21486075 16310272 3225 4294967295 134512640 135987407 3221224560 3221221872 134555859 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 3982 3225 364 364 0 3618 0
[pid=8666] vsize: 15928
Current children cumulated CPU time (s) 39.97
Current children cumulated vsize (Kb) 15928

[startup+50.0044 s]
Raw data (loadavg): 0.96 0.96 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 4920 0 0 0 4983 14 0 0 25 0 1 0 21486075 16986112 3472 4294967295 134512640 135987407 3221224560 3221221872 134555859 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 4147 3472 364 364 0 3783 0
[pid=8666] vsize: 16588
Current children cumulated CPU time (s) 49.97
Current children cumulated vsize (Kb) 16588

[startup+60.0043 s]
Raw data (loadavg): 0.97 0.96 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 5147 0 0 0 5982 14 0 0 25 0 1 0 21486075 17526784 3695 4294967295 134512640 135987407 3221224560 3221221952 134615250 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 4279 3695 364 364 0 3915 0
[pid=8666] vsize: 17116
Current children cumulated CPU time (s) 59.96
Current children cumulated vsize (Kb) 17116

[startup+70.0051 s]
Raw data (loadavg): 0.97 0.96 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 5358 0 0 0 6981 15 0 0 25 0 1 0 21486075 18067456 3903 4294967295 134512640 135987407 3221224560 3221221872 134555859 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 4411 3903 364 364 0 4047 0
[pid=8666] vsize: 17644
Current children cumulated CPU time (s) 69.96
Current children cumulated vsize (Kb) 17644

[startup+80.0059 s]
Raw data (loadavg): 0.97 0.96 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 5554 0 0 0 7981 16 0 0 25 0 1 0 21486075 18608128 4096 4294967295 134512640 135987407 3221224560 3221221752 134802682 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 4543 4096 364 364 0 4179 0
[pid=8666] vsize: 18172
Current children cumulated CPU time (s) 79.97
Current children cumulated vsize (Kb) 18172

[startup+90.0068 s]
Raw data (loadavg): 0.98 0.97 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 5739 0 0 0 8980 17 0 0 25 0 1 0 21486075 19148800 4278 4294967295 134512640 135987407 3221224560 3221221872 134555859 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 4675 4278 364 364 0 4311 0
[pid=8666] vsize: 18700
Current children cumulated CPU time (s) 89.97
Current children cumulated vsize (Kb) 18700

[startup+100.008 s]
Raw data (loadavg): 0.98 0.97 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 5915 0 0 0 9979 17 0 0 25 0 1 0 21486075 19554304 4451 4294967295 134512640 135987407 3221224560 3221221872 134555859 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 4774 4451 364 364 0 4410 0
[pid=8666] vsize: 19096
Current children cumulated CPU time (s) 99.96
Current children cumulated vsize (Kb) 19096

[startup+110.007 s]
Raw data (loadavg): 0.98 0.97 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 8296 0 0 0 10973 23 0 0 25 0 1 0 21486075 28835840 5354 4294967295 134512640 135987407 3221224560 3221221872 134555859 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 7040 5354 364 364 0 6676 0
[pid=8666] vsize: 28160
Current children cumulated CPU time (s) 109.96
Current children cumulated vsize (Kb) 28160

[startup+120.008 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 8354 0 0 0 11973 23 0 0 25 0 1 0 21486075 28835840 5410 4294967295 134512640 135987407 3221224560 3221221872 134555859 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 7040 5410 364 364 0 6676 0
[pid=8666] vsize: 28160
Current children cumulated CPU time (s) 119.96
Current children cumulated vsize (Kb) 28160

[startup+130.009 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 8454 0 0 0 12973 24 0 0 25 0 1 0 21486075 28971008 5507 4294967295 134512640 135987407 3221224560 3221221872 134555861 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 7073 5507 364 364 0 6709 0
[pid=8666] vsize: 28292
Current children cumulated CPU time (s) 129.97
Current children cumulated vsize (Kb) 28292

[startup+140.01 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 8578 0 0 0 13972 24 0 0 25 0 1 0 21486075 29241344 5629 4294967295 134512640 135987407 3221224560 3221221872 134555859 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 7139 5629 364 364 0 6775 0
[pid=8666] vsize: 28556
Current children cumulated CPU time (s) 139.96
Current children cumulated vsize (Kb) 28556

[startup+150.011 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 8701 0 0 0 14972 25 0 0 25 0 1 0 21486075 29511680 5750 4294967295 134512640 135987407 3221224560 3221221872 134555859 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 7205 5750 364 364 0 6841 0
[pid=8666] vsize: 28820
Current children cumulated CPU time (s) 149.97
Current children cumulated vsize (Kb) 28820

[startup+160.011 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 8819 0 0 0 15971 25 0 0 25 0 1 0 21486075 29782016 5866 4294967295 134512640 135987407 3221224560 3221221872 134555859 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 7271 5866 364 364 0 6907 0
[pid=8666] vsize: 29084
Current children cumulated CPU time (s) 159.96
Current children cumulated vsize (Kb) 29084

[startup+170.011 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 8932 0 0 0 16971 25 0 0 25 0 1 0 21486075 30052352 5977 4294967295 134512640 135987407 3221224560 3221221872 134555859 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 7337 5977 364 364 0 6973 0
[pid=8666] vsize: 29348
Current children cumulated CPU time (s) 169.96
Current children cumulated vsize (Kb) 29348

[startup+180.012 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 9048 0 0 0 17971 26 0 0 25 0 1 0 21486075 30322688 6091 4294967295 134512640 135987407 3221224560 3221221872 134555859 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 7403 6091 364 364 0 7039 0
[pid=8666] vsize: 29612
Current children cumulated CPU time (s) 179.97
Current children cumulated vsize (Kb) 29612

[startup+190.013 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 41419 0 0 0 18903 91 0 0 25 0 1 0 21486075 141434880 24882 4294967295 134512640 135987407 3221224560 3221062544 134877708 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 34530 24882 364 364 0 34166 0
[pid=8666] vsize: 138120
Current children cumulated CPU time (s) 189.94
Current children cumulated vsize (Kb) 138120

[startup+200.013 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 66915 0 0 0 19850 141 0 0 25 0 1 0 21486075 212496384 43994 4294967295 134512640 135987407 3221224560 3221060348 134637002 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 51879 43994 364 364 0 51515 0
[pid=8666] vsize: 207516
Current children cumulated CPU time (s) 199.91
Current children cumulated vsize (Kb) 207516

[startup+210.013 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 109314 0 0 0 20757 232 0 0 25 0 1 0 21486075 342728704 64094 4294967295 134512640 135987407 3221224560 3221062908 134865970 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 83674 64094 364 364 0 83310 0
[pid=8666] vsize: 334696
Current children cumulated CPU time (s) 209.89
Current children cumulated vsize (Kb) 334696

[startup+220.014 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 127348 0 0 0 21721 265 0 0 25 0 1 0 21486075 401154048 81898 4294967295 134512640 135987407 3221224560 3221063372 134636987 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 97938 81898 364 364 0 97574 0
[pid=8666] vsize: 391752
Current children cumulated CPU time (s) 219.86
Current children cumulated vsize (Kb) 391752

[startup+230.013 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 171944 0 0 0 22625 356 0 0 25 0 1 0 21486075 543780864 106043 4294967295 134512640 135987407 3221224560 3221061416 134639077 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 132759 106043 364 364 0 132395 0
[pid=8666] vsize: 531036
Current children cumulated CPU time (s) 229.81
Current children cumulated vsize (Kb) 531036

[startup+240.014 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 213093 0 0 0 23535 443 0 0 25 0 1 0 21486075 667422720 122406 4294967295 134512640 135987407 3221224560 3221064800 134887312 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 162945 122406 364 364 0 162581 0
[pid=8666] vsize: 651780
Current children cumulated CPU time (s) 239.78
Current children cumulated vsize (Kb) 651780

[startup+250.015 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 229242 0 0 0 24498 479 0 0 25 0 1 0 21486075 723144704 138350 4294967295 134512640 135987407 3221224560 3221064928 134931202 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 176549 138350 364 364 0 176185 0
[pid=8666] vsize: 706196
Current children cumulated CPU time (s) 249.77
Current children cumulated vsize (Kb) 706196

[startup+260.015 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 248151 0 0 0 25457 517 0 0 25 0 1 0 21486075 749113344 157019 4294967295 134512640 135987407 3221224560 3221070428 134637002 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 182889 157019 364 364 0 182525 0
[pid=8666] vsize: 731556
Current children cumulated CPU time (s) 259.74
Current children cumulated vsize (Kb) 731556

[startup+270.016 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 267315 0 0 0 26419 553 0 0 25 0 1 0 21486075 776192000 175942 4294967295 134512640 135987407 3221224560 3221065808 134559346 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 189500 175942 364 364 0 189136 0
[pid=8666] vsize: 758000
Current children cumulated CPU time (s) 269.72
Current children cumulated vsize (Kb) 758000

[startup+280.017 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 8666
Raw data (/proc/8666/stat): 8666 (pb2sat) R 8665 8666 4005 0 -1 0 273999 0 0 0 27392 579 0 0 25 0 1 0 21486075 472776704 114938 4294967295 134512640 135987407 3221224560 3221223408 134884010 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8666/statm): 115424 114938 364 364 0 115060 0
[pid=8666] vsize: 461696
Current children cumulated CPU time (s) 279.71
Current children cumulated vsize (Kb) 461696
One traced child (pid=8666) exited with status: 1
All traced children have exited ! Game is over.

Child status: 1
Real time (s): 280.825
CPU time (s): 280.525
CPU user time (s): 274.486
CPU system time (s): 6.03908
CPU usage (%): 99.8932
Max. virtual memory (cumulated for all children) (Kb): 758000

Verifier Data

ERROR: no interpretation found !