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-v2-13-7/ftp.netlib.org/lp/data/normalized-mps-v2-13-7-standata.opb
MD5SUMd5b771efe8f3bc863eeca85beb6d9cd6
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 140
Biggest coefficient in the objective function 52428800
Number of bits for the biggest coefficient in the objective function 26
Sum of the numbers in the objective function 318766800
Number of bits of the sum of numbers in the objective function 29
Biggest number in a constraint 75573493760
Number of bits of the biggest number in a constraint 37
Biggest sum of numbers in a constraint 2374370081400
Number of bits of the biggest sum of numbers42
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Number of variables20142
Total number of constraints462
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 constraints462
Minimum length of a constraint8
Maximum length of a constraint14900

Trace number 10317

Launcher Data

LAUNCH ON wulflinc21 THE 2005-09-23 17:50:22 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=9068 boxname=wulflinc21 idbench=864 idsolver=8 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  d5b771efe8f3bc863eeca85beb6d9cd6  /oldhome/oroussel/tmp/wulflinc21/normalized-mps-v2-13-7-standata.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc21/normalized-mps-v2-13-7-standata.opb
IDLAUNCH: 9068
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.188
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		: 451.188
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:        926420 kB
Buffers:         14164 kB
Cached:          75936 kB
SwapCached:          0 kB
Active:          47064 kB
Inactive:        45940 kB
HighTotal:      131008 kB
HighFree:        50736 kB
LowTotal:       903652 kB
LowFree:        875684 kB
SwapTotal:     2097892 kB
SwapFree:      2097892 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6984 kB
Slab:             9576 kB
Committed_AS:    63624 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-09-23 17:52:01 (client local time) WITH STATUS 1 IN 99.0849 SECONDS
stats: 9068 7 99.0849 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/10388/stat): 10388 (pb2sat) R 10387 10388 4059 0 -1 0 18 0 0 0 0 0 0 0 23 0 1 0 22119120 1527808 2 4294967295 134512640 135987407 3221224560 3221224560 134512928 0 0 5 0 0 0 0 17 1 0 0
Raw data (/proc/10388/statm): 373 2 364 364 0 9 0
[pid=10388] vsize: 1492
open syscall for file /oldhome/oroussel/tmp/wulflinc21/normalized-mps-v2-13-7-standata.opb

[startup+10.0018 s]
Raw data (loadavg): 0.91 0.94 0.90 2/55 10388
Raw data (/proc/10388/stat): 10388 (pb2sat) R 10387 10388 4059 0 -1 0 28889 0 0 0 928 69 0 0 25 0 1 0 22119120 80498688 17714 4294967295 134512640 135987407 3221224560 3221202736 134856473 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10388/statm): 19653 17714 364 364 0 19289 0
[pid=10388] vsize: 78612
Current children cumulated CPU time (s) 9.97
Current children cumulated vsize (Kb) 78612

[startup+20.0035 s]
Raw data (loadavg): 0.93 0.94 0.91 2/55 10388
Raw data (/proc/10388/stat): 10388 (pb2sat) R 10387 10388 4059 0 -1 0 58025 0 0 0 1863 134 0 0 25 0 1 0 22119120 158887936 35587 4294967295 134512640 135987407 3221224560 3221140540 135480440 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10388/statm): 38791 35587 364 364 0 38427 0
[pid=10388] vsize: 155164
Current children cumulated CPU time (s) 19.97
Current children cumulated vsize (Kb) 155164

[startup+30.0042 s]
Raw data (loadavg): 0.94 0.94 0.91 2/55 10388
Raw data (/proc/10388/stat): 10388 (pb2sat) R 10387 10388 4059 0 -1 0 99501 0 0 0 2779 215 0 0 25 0 1 0 22119120 316600320 54844 4294967295 134512640 135987407 3221224560 3221006284 135482121 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10388/statm): 77295 54844 364 364 0 76931 0
[pid=10388] vsize: 309180
Current children cumulated CPU time (s) 29.94
Current children cumulated vsize (Kb) 309180

[startup+40.0039 s]
Raw data (loadavg): 0.95 0.94 0.91 2/55 10388
Raw data (/proc/10388/stat): 10388 (pb2sat) R 10387 10388 4059 0 -1 0 120519 0 0 0 3733 258 0 0 25 0 1 0 22119120 347033600 75596 4294967295 134512640 135987407 3221224560 3221013184 134931263 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10388/statm): 84725 75596 364 364 0 84361 0
[pid=10388] vsize: 338900
Current children cumulated CPU time (s) 39.91
Current children cumulated vsize (Kb) 338900

[startup+50.0046 s]
Raw data (loadavg): 0.95 0.94 0.91 2/55 10388
Raw data (/proc/10388/stat): 10388 (pb2sat) R 10387 10388 4059 0 -1 0 164846 0 0 0 4642 344 0 0 25 0 1 0 22119120 488992768 100299 4294967295 134512640 135987407 3221224560 3221004656 134887887 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10388/statm): 119383 100299 364 364 0 119019 0
[pid=10388] vsize: 477532
Current children cumulated CPU time (s) 49.86
Current children cumulated vsize (Kb) 477532

[startup+60.0043 s]
Raw data (loadavg): 0.96 0.94 0.91 2/55 10388
Raw data (/proc/10388/stat): 10388 (pb2sat) R 10387 10388 4059 0 -1 0 204180 0 0 0 5560 423 0 0 25 0 1 0 22119120 644026368 114871 4294967295 134512640 135987407 3221224560 3221009456 134877726 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10388/statm): 157233 114871 364 364 0 156869 0
[pid=10388] vsize: 628932
Current children cumulated CPU time (s) 59.83
Current children cumulated vsize (Kb) 628932

[startup+70.0059 s]
Raw data (loadavg): 0.97 0.94 0.91 2/55 10388
Raw data (/proc/10388/stat): 10388 (pb2sat) R 10387 10388 4059 0 -1 0 223154 0 0 0 6521 460 0 0 25 0 1 0 22119120 671498240 133607 4294967295 134512640 135987407 3221224560 3221006240 134558024 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10388/statm): 163940 133607 364 364 0 163576 0
[pid=10388] vsize: 655760
Current children cumulated CPU time (s) 69.81
Current children cumulated vsize (Kb) 655760

[startup+80.0066 s]
Raw data (loadavg): 0.97 0.95 0.91 2/55 10388
Raw data (/proc/10388/stat): 10388 (pb2sat) R 10387 10388 4059 0 -1 0 242370 0 0 0 7480 499 0 0 25 0 1 0 22119120 698544128 152583 4294967295 134512640 135987407 3221224560 3221008944 134639954 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10388/statm): 170543 152583 364 364 0 170179 0
[pid=10388] vsize: 682172
Current children cumulated CPU time (s) 79.79
Current children cumulated vsize (Kb) 682172

[startup+90.0063 s]
Raw data (loadavg): 0.98 0.95 0.91 2/55 10388
Raw data (/proc/10388/stat): 10388 (pb2sat) R 10387 10388 4059 0 -1 0 257729 0 0 0 8445 533 0 0 25 0 1 0 22119120 770232320 167751 4294967295 134512640 135987407 3221224560 3221006768 134877708 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10388/statm): 188045 167751 364 364 0 187681 0
[pid=10388] vsize: 752180
Current children cumulated CPU time (s) 89.78
Current children cumulated vsize (Kb) 752180
One traced child (pid=10388) exited with status: 1
All traced children have exited ! Game is over.

Child status: 1
Real time (s): 99.3123
CPU time (s): 99.0849
CPU user time (s): 93.2958
CPU system time (s): 5.78912
CPU usage (%): 99.771
Max. virtual memory (cumulated for all children) (Kb): 752180

Verifier Data

ERROR: no interpretation found !