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-bnl2.opb
MD5SUM98512bff24b30a4b39304804d2f8a5cb
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
SatisfiableNO
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of terms in the objective function 50550
Biggest coefficient in the objective function 322444669747200
Number of bits for the biggest coefficient in the objective function 49
Sum of the numbers in the objective function 11314136774293353
Number of bits of the sum of numbers in the objective function 54
Biggest number in a constraint 322444669747200
Number of bits of the biggest number in a constraint 49
Biggest sum of numbers in a constraint 11314136774293353
Number of bits of the biggest sum of numbers54
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark56.7314
Number of variables104670
Total number of constraints2280
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 constraints2280
Minimum length of a constraint30
Maximum length of a constraint2460

Trace number 9869

Launcher Data

LAUNCH ON wulflinc18 THE 2005-09-23 16:02:31 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=8617 boxname=wulflinc18 idbench=413 idsolver=8 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  98512bff24b30a4b39304804d2f8a5cb  /oldhome/oroussel/tmp/wulflinc18/normalized-mps-v2-20-10-bnl2.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc18/normalized-mps-v2-20-10-bnl2.opb
IDLAUNCH: 8617
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.061
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	: 890.88

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.061
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:        923600 kB
Buffers:         14732 kB
Cached:          76252 kB
SwapCached:          0 kB
Active:          56164 kB
Inactive:        37720 kB
HighTotal:      131008 kB
HighFree:        50484 kB
LowTotal:       903652 kB
LowFree:        873116 kB
SwapTotal:     2097892 kB
SwapFree:      2097892 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6980 kB
Slab:            11544 kB
Committed_AS:    63624 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-09-23 16:05:16 (client local time) WITH STATUS 1 IN 163.864 SECONDS
stats: 8617 7 163.864 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/7231/stat): 7231 (pb2sat) R 7230 7231 4060 0 -1 0 18 0 0 0 0 0 0 0 23 0 1 0 21474474 1527808 2 4294967295 134512640 135987407 3221224560 3221224560 134512928 0 0 5 0 0 0 0 17 1 0 0
Raw data (/proc/7231/statm): 373 2 364 364 0 9 0
[pid=7231] vsize: 1492
open syscall for file /oldhome/oroussel/tmp/wulflinc18/normalized-mps-v2-20-10-bnl2.opb

[startup+10.0021 s]
Raw data (loadavg): 0.93 0.97 0.98 2/55 7231
Raw data (/proc/7231/stat): 7231 (pb2sat) R 7230 7231 4060 0 -1 0 2609 0 0 0 991 7 0 0 25 0 1 0 21474474 9641984 1921 4294967295 134512640 135987407 3221224560 3221221792 134534646 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/7231/statm): 2354 1921 364 364 0 1990 0
[pid=7231] vsize: 9416
Current children cumulated CPU time (s) 9.98
Current children cumulated vsize (Kb) 9416

[startup+20.0031 s]
Raw data (loadavg): 0.94 0.97 0.98 2/55 7231
Raw data (/proc/7231/stat): 7231 (pb2sat) R 7230 7231 4060 0 -1 0 4204 0 0 0 1987 11 0 0 25 0 1 0 21474474 15228928 2769 4294967295 134512640 135987407 3221224560 3221221872 134555859 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/7231/statm): 3718 2769 364 364 0 3354 0
[pid=7231] vsize: 14872
Current children cumulated CPU time (s) 19.98
Current children cumulated vsize (Kb) 14872

[startup+30.004 s]
Raw data (loadavg): 0.95 0.97 0.98 2/55 7231
Raw data (/proc/7231/stat): 7231 (pb2sat) R 7230 7231 4060 0 -1 0 4465 0 0 0 2986 12 0 0 25 0 1 0 21474474 15904768 3025 4294967295 134512640 135987407 3221224560 3221221872 134555859 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/7231/statm): 3883 3025 364 364 0 3519 0
[pid=7231] vsize: 15532
Current children cumulated CPU time (s) 29.98
Current children cumulated vsize (Kb) 15532

[startup+40.0049 s]
Raw data (loadavg): 0.95 0.97 0.98 2/55 7231
Raw data (/proc/7231/stat): 7231 (pb2sat) R 7230 7231 4060 0 -1 0 4734 0 0 0 3985 13 0 0 25 0 1 0 21474474 16580608 3289 4294967295 134512640 135987407 3221224560 3221221872 134555859 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/7231/statm): 4048 3289 364 364 0 3684 0
[pid=7231] vsize: 16192
Current children cumulated CPU time (s) 39.98
Current children cumulated vsize (Kb) 16192

[startup+50.0059 s]
Raw data (loadavg): 0.96 0.97 0.98 2/55 7231
Raw data (/proc/7231/stat): 7231 (pb2sat) R 7230 7231 4060 0 -1 0 4988 0 0 0 4984 14 0 0 25 0 1 0 21474474 17121280 3539 4294967295 134512640 135987407 3221224560 3221221872 134555861 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/7231/statm): 4180 3539 364 364 0 3816 0
[pid=7231] vsize: 16720
Current children cumulated CPU time (s) 49.98
Current children cumulated vsize (Kb) 16720

[startup+60.0068 s]
Raw data (loadavg): 0.97 0.97 0.98 2/55 7231
Raw data (/proc/7231/stat): 7231 (pb2sat) R 7230 7231 4060 0 -1 0 15920 0 0 0 5957 40 0 0 25 0 1 0 21474474 48893952 10143 4294967295 134512640 135987407 3221224560 3221179512 134860969 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/7231/statm): 11937 10143 364 364 0 11573 0
[pid=7231] vsize: 47748
Current children cumulated CPU time (s) 59.97
Current children cumulated vsize (Kb) 47748

[startup+70.0067 s]
Raw data (loadavg): 0.97 0.97 0.98 2/55 7231
Raw data (/proc/7231/stat): 7231 (pb2sat) R 7230 7231 4060 0 -1 0 51198 0 0 0 6875 120 0 0 25 0 1 0 21474474 157036544 28686 4294967295 134512640 135987407 3221224560 3221135676 135482121 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/7231/statm): 38339 28687 364 364 0 37975 0
[pid=7231] vsize: 153356
Current children cumulated CPU time (s) 69.95
Current children cumulated vsize (Kb) 153356

[startup+80.0076 s]
Raw data (loadavg): 0.98 0.97 0.98 2/55 7231
Raw data (/proc/7231/stat): 7231 (pb2sat) R 7230 7231 4060 0 -1 0 82455 0 0 0 7814 178 0 0 25 0 1 0 21474474 257273856 50024 4294967295 134512640 135987407 3221224560 3221137676 134636944 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/7231/statm): 62811 50024 364 364 0 62447 0
[pid=7231] vsize: 251244
Current children cumulated CPU time (s) 79.92
Current children cumulated vsize (Kb) 251244

[startup+90.0076 s]
Raw data (loadavg): 0.98 0.97 0.98 2/55 7231
Raw data (/proc/7231/stat): 7231 (pb2sat) R 7230 7231 4060 0 -1 0 111223 0 0 0 8754 235 0 0 25 0 1 0 21474474 364552192 66307 4294967295 134512640 135987407 3221224560 3221138608 134878092 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/7231/statm): 89002 66309 364 364 0 88638 0
[pid=7231] vsize: 356008
Current children cumulated CPU time (s) 89.89
Current children cumulated vsize (Kb) 356008

[startup+100.008 s]
Raw data (loadavg): 0.98 0.97 0.98 2/55 7231
Raw data (/proc/7231/stat): 7231 (pb2sat) R 7230 7231 4060 0 -1 0 130153 0 0 0 9718 271 0 0 25 0 1 0 21474474 390561792 85008 4294967295 134512640 135987407 3221224560 3221138896 134856540 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/7231/statm): 95352 85008 364 364 0 94988 0
[pid=7231] vsize: 381408
Current children cumulated CPU time (s) 99.89
Current children cumulated vsize (Kb) 381408

[startup+110.008 s]
Raw data (loadavg): 0.98 0.97 0.98 2/55 7231
Raw data (/proc/7231/stat): 7231 (pb2sat) R 7230 7231 4060 0 -1 0 173488 0 0 0 10630 353 0 0 25 0 1 0 21474474 530554880 108738 4294967295 134512640 135987407 3221224560 3221142076 135482121 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/7231/statm): 129530 108738 364 364 0 129166 0
[pid=7231] vsize: 518120
Current children cumulated CPU time (s) 109.83
Current children cumulated vsize (Kb) 518120

[startup+120.009 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 7231
Raw data (/proc/7231/stat): 7231 (pb2sat) R 7230 7231 4060 0 -1 0 213807 0 0 0 11546 436 0 0 25 0 1 0 21474474 652447744 124289 4294967295 134512640 135987407 3221224560 3221143052 134636944 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/7231/statm): 159289 124289 364 364 0 158925 0
[pid=7231] vsize: 637156
Current children cumulated CPU time (s) 119.82
Current children cumulated vsize (Kb) 637156

[startup+130.01 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 7231
Raw data (/proc/7231/stat): 7231 (pb2sat) R 7230 7231 4060 0 -1 0 229812 0 0 0 12509 471 0 0 25 0 1 0 21474474 708075520 140103 4294967295 134512640 135987407 3221224560 3221141440 134887887 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/7231/statm): 172870 140103 364 364 0 172506 0
[pid=7231] vsize: 691480
Current children cumulated CPU time (s) 129.8
Current children cumulated vsize (Kb) 691480

[startup+140.01 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 7231
Raw data (/proc/7231/stat): 7231 (pb2sat) R 7230 7231 4060 0 -1 0 248174 0 0 0 13469 509 0 0 25 0 1 0 21474474 732844032 158242 4294967295 134512640 135987407 3221224560 3221144076 135482121 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/7231/statm): 178917 158242 364 364 0 178553 0
[pid=7231] vsize: 715668
Current children cumulated CPU time (s) 139.78
Current children cumulated vsize (Kb) 715668

[startup+150.01 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 7231
Raw data (/proc/7231/stat): 7231 (pb2sat) R 7230 7231 4060 0 -1 0 265239 0 0 0 14431 544 0 0 25 0 1 0 21474474 805920768 175100 4294967295 134512640 135987407 3221224560 3221146912 134877628 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/7231/statm): 196758 175100 364 364 0 196394 0
[pid=7231] vsize: 787032
Current children cumulated CPU time (s) 149.75
Current children cumulated vsize (Kb) 787032

[startup+160.011 s]
Raw data (loadavg): 0.99 0.97 0.98 2/55 7231
Raw data (/proc/7231/stat): 7231 (pb2sat) R 7230 7231 4060 0 -1 0 276378 0 0 0 15408 566 0 0 25 0 1 0 21474474 821739520 185910 4294967295 134512640 135987407 3221224560 3221223380 135479922 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/7231/statm): 200620 185910 364 364 0 200256 0
[pid=7231] vsize: 802480
Current children cumulated CPU time (s) 159.74
Current children cumulated vsize (Kb) 802480
One traced child (pid=7231) exited with status: 1
All traced children have exited ! Game is over.

Child status: 1
Real time (s): 164.126
CPU time (s): 163.864
CPU user time (s): 157.814
CPU system time (s): 6.05008
CPU usage (%): 99.8403
Max. virtual memory (cumulated for all children) (Kb): 802480

Verifier Data

ERROR: no interpretation found !