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-pilot.we.opb
MD5SUM21cca5e58499fc8c195476eedca15203
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 2760
Biggest coefficient in the objective function 114621939712000000000
Number of bits for the biggest coefficient in the objective function 67
Sum of the numbers in the objective function 6133849937192095318016
Number of bits of the sum of numbers in the objective function 73
Biggest number in a constraint 114621939712000000000
Number of bits of the biggest number in a constraint 67
Biggest sum of numbers in a constraint 6133849937192095318016
Number of bits of the biggest sum of numbers73
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Number of variables77678
Total number of constraints1016
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 constraints1016
Minimum length of a constraint10
Maximum length of a constraint2430

Trace number 9904

Launcher Data

LAUNCH ON wulflinc27 THE 2005-09-23 16:08:58 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=8655 boxname=wulflinc27 idbench=451 idsolver=8 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  21cca5e58499fc8c195476eedca15203  /oldhome/oroussel/tmp/wulflinc27/normalized-mps-v2-20-10-pilot.we.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc27/normalized-mps-v2-20-10-pilot.we.opb
IDLAUNCH: 8655
/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:        936008 kB
Buffers:         11396 kB
Cached:          70000 kB
SwapCached:          0 kB
Active:          51096 kB
Inactive:        33220 kB
HighTotal:      131008 kB
HighFree:        56588 kB
LowTotal:       903652 kB
LowFree:        879420 kB
SwapTotal:     2097892 kB
SwapFree:      2097892 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6984 kB
Slab:             8736 kB
Committed_AS:    63624 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-09-23 16:10:37 (client local time) WITH STATUS 1 IN 98.1691 SECONDS
stats: 8655 7 98.1691 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/8555/stat): 8555 (pb2sat) R 8554 8555 4005 0 -1 0 18 0 0 0 0 0 0 0 20 0 1 0 21475088 1527808 2 4294967295 134512640 135987407 3221224560 3221224560 134512928 0 0 5 0 0 0 0 17 0 0 0
Raw data (/proc/8555/statm): 373 2 364 364 0 9 0
[pid=8555] vsize: 1492
open syscall for file /oldhome/oroussel/tmp/wulflinc27/normalized-mps-v2-20-10-pilot.we.opb

[startup+10.0025 s]
Raw data (loadavg): 0.94 0.97 0.99 2/55 8555
Raw data (/proc/8555/stat): 8555 (pb2sat) R 8554 8555 4005 0 -1 0 30036 0 0 0 930 66 0 0 25 0 1 0 21475088 97984512 18882 4294967295 134512640 135987407 3221224560 3221163156 135477879 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8555/statm): 23922 18882 364 364 0 23558 0
[pid=8555] vsize: 95688
Current children cumulated CPU time (s) 9.96
Current children cumulated vsize (Kb) 95688

[startup+20.0024 s]
Raw data (loadavg): 0.95 0.97 0.99 2/55 8555
Raw data (/proc/8555/stat): 8555 (pb2sat) R 8554 8555 4005 0 -1 0 61062 0 0 0 1864 128 0 0 25 0 1 0 21475088 195346432 38440 4294967295 134512640 135987407 3221224560 3221163056 134556257 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8555/statm): 47692 38440 364 364 0 47328 0
[pid=8555] vsize: 190768
Current children cumulated CPU time (s) 19.92
Current children cumulated vsize (Kb) 190768

[startup+30.0032 s]
Raw data (loadavg): 0.95 0.97 0.99 2/55 8555
Raw data (/proc/8555/stat): 8555 (pb2sat) R 8554 8555 4005 0 -1 0 93745 0 0 0 2794 195 0 0 25 0 1 0 21475088 280555520 60108 4294967295 134512640 135987407 3221224560 3221163904 134537491 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8555/statm): 68495 60108 364 364 0 68131 0
[pid=8555] vsize: 273980
Current children cumulated CPU time (s) 29.89
Current children cumulated vsize (Kb) 273980

[startup+40.0041 s]
Raw data (loadavg): 0.96 0.97 0.99 2/55 8555
Raw data (/proc/8555/stat): 8555 (pb2sat) R 8554 8555 4005 0 -1 0 122849 0 0 0 3728 259 0 0 25 0 1 0 21475088 388771840 76698 4294967295 134512640 135987407 3221224560 3221163360 134854972 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8555/statm): 94915 76698 364 364 0 94551 0
[pid=8555] vsize: 379660
Current children cumulated CPU time (s) 39.87
Current children cumulated vsize (Kb) 379660

[startup+50.0049 s]
Raw data (loadavg): 0.97 0.97 0.99 2/55 8555
Raw data (/proc/8555/stat): 8555 (pb2sat) R 8554 8555 4005 0 -1 0 167615 0 0 0 4636 345 0 0 25 0 1 0 21475088 529432576 99724 4294967295 134512640 135987407 3221224560 3221164180 134557986 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8555/statm): 129256 99724 364 364 0 128892 0
[pid=8555] vsize: 517024
Current children cumulated CPU time (s) 49.81
Current children cumulated vsize (Kb) 517024

[startup+60.0047 s]
Raw data (loadavg): 0.97 0.97 0.99 2/55 8555
Raw data (/proc/8555/stat): 8555 (pb2sat) R 8554 8555 4005 0 -1 0 187056 0 0 0 5595 384 0 0 25 0 1 0 21475088 557817856 118908 4294967295 134512640 135987407 3221224560 3221163868 134637020 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8555/statm): 136186 118908 364 364 0 135822 0
[pid=8555] vsize: 544744
Current children cumulated CPU time (s) 59.79
Current children cumulated vsize (Kb) 544744

[startup+70.0046 s]
Raw data (loadavg): 0.97 0.97 0.99 2/55 8555
Raw data (/proc/8555/stat): 8555 (pb2sat) R 8554 8555 4005 0 -1 0 228236 0 0 0 6511 467 0 0 25 0 1 0 21475088 682676224 135291 4294967295 134512640 135987407 3221224560 3221165216 134640127 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8555/statm): 166669 135291 364 364 0 166305 0
[pid=8555] vsize: 666676
Current children cumulated CPU time (s) 69.78
Current children cumulated vsize (Kb) 666676

[startup+80.0054 s]
Raw data (loadavg): 0.98 0.97 0.99 2/55 8555
Raw data (/proc/8555/stat): 8555 (pb2sat) R 8554 8555 4005 0 -1 0 244437 0 0 0 7477 499 0 0 25 0 1 0 21475088 739749888 151274 4294967295 134512640 135987407 3221224560 3221164240 134537491 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8555/statm): 180603 151274 364 364 0 180239 0
[pid=8555] vsize: 722412
Current children cumulated CPU time (s) 79.76
Current children cumulated vsize (Kb) 722412

[startup+90.0052 s]
Raw data (loadavg): 0.98 0.97 0.99 2/55 8555
Raw data (/proc/8555/stat): 8555 (pb2sat) R 8554 8555 4005 0 -1 0 264289 0 0 0 8437 536 0 0 25 0 1 0 21475088 770224128 170521 4294967295 134512640 135987407 3221224560 3221164912 134537491 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8555/statm): 188043 170521 364 364 0 187679 0
[pid=8555] vsize: 752172
Current children cumulated CPU time (s) 89.73
Current children cumulated vsize (Kb) 752172
One traced child (pid=8555) exited with status: 1
All traced children have exited ! Game is over.

Child status: 1
Real time (s): 98.4433
CPU time (s): 98.1691
CPU user time (s): 92.4229
CPU system time (s): 5.74613
CPU usage (%): 99.7215
Max. virtual memory (cumulated for all children) (Kb): 752172

Verifier Data

ERROR: no interpretation found !