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-woodw.opb
MD5SUM5d2b367438a64c72c01ca61f03388807
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 120
Biggest coefficient in the objective function 536870912
Number of bits for the biggest coefficient in the objective function 30
Sum of the numbers in the objective function 4294967292
Number of bits of the sum of numbers in the objective function 32
Biggest number in a constraint 10737418240000
Number of bits of the biggest number in a constraint 44
Biggest sum of numbers in a constraint 556588032595749
Number of bits of the biggest sum of numbers49
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark71.6581
Number of variables252150
Total number of constraints1098
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 constraints1098
Minimum length of a constraint30
Maximum length of a constraint43590

Trace number 9940

Launcher Data

LAUNCH ON wulflinc29 THE 2005-09-23 16:14:18 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=8689 boxname=wulflinc29 idbench=485 idsolver=8 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  5d2b367438a64c72c01ca61f03388807  /oldhome/oroussel/tmp/wulflinc29/normalized-mps-v2-20-10-woodw.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc29/normalized-mps-v2-20-10-woodw.opb
IDLAUNCH: 8689
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.077
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		: 451.077
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	: 899.07

/proc/meminfo:
MemTotal:      1034660 kB
MemFree:        898216 kB
Buffers:         11648 kB
Cached:         107216 kB
SwapCached:          0 kB
Active:          70716 kB
Inactive:        51048 kB
HighTotal:      131008 kB
HighFree:        24164 kB
LowTotal:       903652 kB
LowFree:        874052 kB
SwapTotal:     2097892 kB
SwapFree:      2097892 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6976 kB
Slab:             9020 kB
Committed_AS:    63660 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-09-23 16:16:09 (client local time) WITH STATUS 1 IN 110.037 SECONDS
stats: 8689 7 110.037 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/8547/stat): 8547 (pb2sat) R 8546 8547 4005 0 -1 0 18 0 0 0 0 0 0 0 25 0 1 0 21505691 1527808 2 4294967295 134512640 135987407 3221224560 3221224560 134512928 0 0 5 0 0 0 0 17 1 0 0
Raw data (/proc/8547/statm): 373 2 364 364 0 9 0
[pid=8547] vsize: 1492
open syscall for file /oldhome/oroussel/tmp/wulflinc29/normalized-mps-v2-20-10-woodw.opb

[startup+10.0017 s]
Raw data (loadavg): 0.93 0.95 0.93 2/55 8547
Raw data (/proc/8547/stat): 8547 (pb2sat) R 8546 8547 4005 0 -1 0 29318 0 0 0 936 60 0 0 25 0 1 0 21505691 97628160 18205 4294967295 134512640 135987407 3221224560 3219059324 135499903 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8547/statm): 23835 18205 364 364 0 23471 0
[pid=8547] vsize: 95340
Current children cumulated CPU time (s) 9.96
Current children cumulated vsize (Kb) 95340

[startup+20.0025 s]
Raw data (loadavg): 0.94 0.95 0.93 2/55 8547
Raw data (/proc/8547/stat): 8547 (pb2sat) R 8546 8547 4005 0 -1 0 61052 0 0 0 1874 120 0 0 25 0 1 0 21505691 194940928 38713 4294967295 134512640 135987407 3221224560 3219129328 135477380 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8547/statm): 47593 38713 364 364 0 47229 0
[pid=8547] vsize: 190372
Current children cumulated CPU time (s) 19.94
Current children cumulated vsize (Kb) 190372

[startup+30.0023 s]
Raw data (loadavg): 0.95 0.96 0.93 2/55 8547
Raw data (/proc/8547/stat): 8547 (pb2sat) R 8546 8547 4005 0 -1 0 104184 0 0 0 2781 208 0 0 25 0 1 0 21505691 327626752 59645 4294967295 134512640 135987407 3221224560 3219172400 134537491 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8547/statm): 79987 59645 364 364 0 79623 0
[pid=8547] vsize: 319948
Current children cumulated CPU time (s) 29.89
Current children cumulated vsize (Kb) 319948

[startup+40.002 s]
Raw data (loadavg): 0.96 0.96 0.93 2/55 8547
Raw data (/proc/8547/stat): 8547 (pb2sat) R 8546 8547 4005 0 -1 0 123259 0 0 0 3742 246 0 0 25 0 1 0 21505691 387538944 78494 4294967295 134512640 135987407 3221224560 3219213072 134789777 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8547/statm): 94614 78494 364 364 0 94250 0
[pid=8547] vsize: 378456
Current children cumulated CPU time (s) 39.88
Current children cumulated vsize (Kb) 378456

[startup+50.0028 s]
Raw data (loadavg): 0.96 0.96 0.93 2/55 8547
Raw data (/proc/8547/stat): 8547 (pb2sat) R 8546 8547 4005 0 -1 0 148186 0 0 0 4686 298 0 0 25 0 1 0 21505691 565022720 102978 4294967295 134512640 135987407 3221224560 3219122864 134856702 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8547/statm): 137945 102981 364 364 0 137581 0
[pid=8547] vsize: 551780
Current children cumulated CPU time (s) 49.84
Current children cumulated vsize (Kb) 551780

[startup+60.0026 s]
Raw data (loadavg): 0.97 0.96 0.93 2/55 8547
Raw data (/proc/8547/stat): 8547 (pb2sat) R 8546 8547 4005 0 -1 0 208328 0 0 0 5558 422 0 0 25 0 1 0 21505691 651288576 119180 4294967295 134512640 135987407 3221224560 3219190064 134856382 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8547/statm): 159006 119180 364 364 0 158642 0
[pid=8547] vsize: 636024
Current children cumulated CPU time (s) 59.8
Current children cumulated vsize (Kb) 636024

[startup+70.0034 s]
Raw data (loadavg): 0.97 0.96 0.93 2/55 8547
Raw data (/proc/8547/stat): 8547 (pb2sat) R 8546 8547 4005 0 -1 0 225202 0 0 0 6520 458 0 0 25 0 1 0 21505691 707686400 135855 4294967295 134512640 135987407 3221224560 3219120960 135486816 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8547/statm): 172775 135855 364 364 0 172411 0
[pid=8547] vsize: 691100
Current children cumulated CPU time (s) 69.78
Current children cumulated vsize (Kb) 691100

[startup+80.0042 s]
Raw data (loadavg): 0.98 0.96 0.93 2/55 8547
Raw data (/proc/8547/stat): 8547 (pb2sat) R 8546 8547 4005 0 -1 0 244357 0 0 0 7481 496 0 0 25 0 1 0 21505691 732827648 154781 4294967295 134512640 135987407 3221224560 3219207644 134637002 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8547/statm): 178913 154781 364 364 0 178549 0
[pid=8547] vsize: 715652
Current children cumulated CPU time (s) 79.77
Current children cumulated vsize (Kb) 715652

[startup+90.004 s]
Raw data (loadavg): 0.98 0.96 0.93 2/55 8547
Raw data (/proc/8547/stat): 8547 (pb2sat) R 8546 8547 4005 0 -1 0 264155 0 0 0 8440 534 0 0 25 0 1 0 21505691 759996416 174338 4294967295 134512640 135987407 3221224560 3219232468 135478543 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8547/statm): 185546 174338 364 364 0 185182 0
[pid=8547] vsize: 742184
Current children cumulated CPU time (s) 89.74
Current children cumulated vsize (Kb) 742184

[startup+100.005 s]
Raw data (loadavg): 0.98 0.96 0.93 2/55 8547
Raw data (/proc/8547/stat): 8547 (pb2sat) R 8546 8547 4005 0 -1 0 279385 0 0 0 9410 563 0 0 25 0 1 0 21505691 830738432 189386 4294967295 134512640 135987407 3221224560 3219260396 134637002 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8547/statm): 202817 189386 364 364 0 202453 0
[pid=8547] vsize: 811268
Current children cumulated CPU time (s) 99.73
Current children cumulated vsize (Kb) 811268

[startup+110.006 s]
Raw data (loadavg): 0.98 0.96 0.93 2/55 8547
Raw data (/proc/8547/stat): 8547 (pb2sat) R 8546 8547 4005 0 -1 0 283129 0 0 0 10386 586 0 0 25 0 1 0 21505691 475795456 115705 4294967295 134512640 135987407 3221224560 3221223344 134892744 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/8547/statm): 116161 115705 364 364 0 115797 0
[pid=8547] vsize: 464644
Current children cumulated CPU time (s) 109.72
Current children cumulated vsize (Kb) 464644
One traced child (pid=8547) exited with status: 1
All traced children have exited ! Game is over.

Child status: 1
Real time (s): 110.316
CPU time (s): 110.037
CPU user time (s): 103.93
CPU system time (s): 6.10707
CPU usage (%): 99.7473
Max. virtual memory (cumulated for all children) (Kb): 811268

Verifier Data

ERROR: no interpretation found !