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-grow7.opb
MD5SUM40451c04b9f854eea430dc02cae12dee
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 0
Optimality of the best value was proved NO
Number of terms in the objective function 623
Biggest coefficient in the objective function 3758096384
Number of bits for the biggest coefficient in the objective function 32
Sum of the numbers in the objective function 68719476658
Number of bits of the sum of numbers in the objective function 36
Biggest number in a constraint 878188741787648
Number of bits of the biggest number in a constraint 50
Biggest sum of numbers in a constraint 4550739094651140
Number of bits of the biggest sum of numbers53
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1250.23
Number of variables7994
Total number of constraints420
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 constraints420
Minimum length of a constraint22
Maximum length of a constraint491

Trace number 9892

Launcher Data

LAUNCH ON wulflinc30 THE 2005-09-23 16:06:52 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=8642 boxname=wulflinc30 idbench=438 idsolver=8 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  40451c04b9f854eea430dc02cae12dee  /oldhome/oroussel/tmp/wulflinc30/normalized-mps-v2-20-10-grow7.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc30/normalized-mps-v2-20-10-grow7.opb
IDLAUNCH: 8642
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.161
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		: 451.161
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:        939776 kB
Buffers:         11880 kB
Cached:          65640 kB
SwapCached:          0 kB
Active:          43940 kB
Inactive:        36492 kB
HighTotal:      131008 kB
HighFree:        61236 kB
LowTotal:       903652 kB
LowFree:        878540 kB
SwapTotal:     2097892 kB
SwapFree:      2097892 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6980 kB
Slab:             8704 kB
Committed_AS:    63624 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-09-23 16:08:47 (client local time) WITH STATUS 1 IN 114.734 SECONDS
stats: 8642 7 114.734 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/9110/stat): 9110 (pb2sat) R 9109 9110 4004 0 -1 0 18 0 0 0 0 0 0 0 22 0 1 0 21461042 1527808 2 4294967295 134512640 135987407 3221224560 3221224560 134512928 0 0 5 0 0 0 0 17 1 0 0
Raw data (/proc/9110/statm): 373 2 364 364 0 9 0
[pid=9110] vsize: 1492
open syscall for file /oldhome/oroussel/tmp/wulflinc30/normalized-mps-v2-20-10-grow7.opb

[startup+10.002 s]
Raw data (loadavg): 0.93 0.95 0.91 2/55 9110
Raw data (/proc/9110/stat): 9110 (pb2sat) R 9109 9110 4004 0 -1 0 30438 0 0 0 925 71 0 0 25 0 1 0 21461042 98230272 19299 4294967295 134512640 135987407 3221224560 3221148908 135499910 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9110/statm): 23982 19299 364 364 0 23618 0
[pid=9110] vsize: 95928
Current children cumulated CPU time (s) 9.96
Current children cumulated vsize (Kb) 95928

[startup+20.0028 s]
Raw data (loadavg): 0.94 0.96 0.91 2/55 9110
Raw data (/proc/9110/stat): 9110 (pb2sat) R 9109 9110 4004 0 -1 0 60455 0 0 0 1861 131 0 0 25 0 1 0 21461042 194019328 38108 4294967295 134512640 135987407 3221224560 3221150052 135486835 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9110/statm): 47368 38108 364 364 0 47004 0
[pid=9110] vsize: 189472
Current children cumulated CPU time (s) 19.92
Current children cumulated vsize (Kb) 189472

[startup+30.0037 s]
Raw data (loadavg): 0.95 0.96 0.91 2/55 9110
Raw data (/proc/9110/stat): 9110 (pb2sat) R 9109 9110 4004 0 -1 0 102290 0 0 0 2777 212 0 0 25 0 1 0 21461042 325287936 57752 4294967295 134512640 135987407 3221224560 3221150064 134640447 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9110/statm): 79416 57752 364 364 0 79052 0
[pid=9110] vsize: 317664
Current children cumulated CPU time (s) 29.89
Current children cumulated vsize (Kb) 317664

[startup+40.0044 s]
Raw data (loadavg): 0.95 0.96 0.91 2/55 9110
Raw data (/proc/9110/stat): 9110 (pb2sat) R 9109 9110 4004 0 -1 0 119434 0 0 0 3741 246 0 0 25 0 1 0 21461042 383549440 74688 4294967295 134512640 135987407 3221224560 3221150736 135486752 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9110/statm): 93640 74688 364 364 0 93276 0
[pid=9110] vsize: 374560
Current children cumulated CPU time (s) 39.87
Current children cumulated vsize (Kb) 374560

[startup+50.0053 s]
Raw data (loadavg): 0.96 0.96 0.91 2/55 9110
Raw data (/proc/9110/stat): 9110 (pb2sat) R 9109 9110 4004 0 -1 0 137987 0 0 0 4704 280 0 0 25 0 1 0 21461042 410701824 93018 4294967295 134512640 135987407 3221224560 3221150096 134537491 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9110/statm): 100269 93018 364 364 0 99905 0
[pid=9110] vsize: 401076
Current children cumulated CPU time (s) 49.84
Current children cumulated vsize (Kb) 401076

[startup+60.0051 s]
Raw data (loadavg): 0.97 0.96 0.91 2/55 9110
Raw data (/proc/9110/stat): 9110 (pb2sat) R 9109 9110 4004 0 -1 0 189812 0 0 0 5596 383 0 0 25 0 1 0 21461042 748531712 125241 4294967295 134512640 135987407 3221224560 3221151824 134887487 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9110/statm): 182747 125241 364 364 0 182383 0
[pid=9110] vsize: 730988
Current children cumulated CPU time (s) 59.79
Current children cumulated vsize (Kb) 730988

[startup+70.0059 s]
Raw data (loadavg): 0.97 0.96 0.91 2/55 9110
Raw data (/proc/9110/stat): 9110 (pb2sat) R 9109 9110 4004 0 -1 0 217996 0 0 0 6536 442 0 0 25 0 1 0 21461042 700616704 128670 4294967295 134512640 135987407 3221224560 3221151584 134877708 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9110/statm): 171049 128670 364 364 0 170685 0
[pid=9110] vsize: 684196
Current children cumulated CPU time (s) 69.78
Current children cumulated vsize (Kb) 684196

[startup+80.0067 s]
Raw data (loadavg): 0.97 0.96 0.91 2/55 9110
Raw data (/proc/9110/stat): 9110 (pb2sat) R 9109 9110 4004 0 -1 0 234956 0 0 0 7503 474 0 0 25 0 1 0 21461042 726159360 145430 4294967295 134512640 135987407 3221224560 3221151596 135499868 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9110/statm): 177285 145430 364 364 0 176921 0
[pid=9110] vsize: 709140
Current children cumulated CPU time (s) 79.77
Current children cumulated vsize (Kb) 709140

[startup+90.0075 s]
Raw data (loadavg): 0.98 0.96 0.91 2/55 9110
Raw data (/proc/9110/stat): 9110 (pb2sat) R 9109 9110 4004 0 -1 0 252925 0 0 0 8468 506 0 0 25 0 1 0 21461042 752902144 163185 4294967295 134512640 135987407 3221224560 3221152496 134558922 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9110/statm): 183814 163185 364 364 0 183450 0
[pid=9110] vsize: 735256
Current children cumulated CPU time (s) 89.74
Current children cumulated vsize (Kb) 735256

[startup+100.007 s]
Raw data (loadavg): 0.98 0.96 0.91 2/55 9110
Raw data (/proc/9110/stat): 9110 (pb2sat) R 9109 9110 4004 0 -1 0 270426 0 0 0 9434 539 0 0 25 0 1 0 21461042 777703424 180440 4294967295 134512640 135987407 3221224560 3221152768 134537552 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9110/statm): 189869 180440 364 364 0 189505 0
[pid=9110] vsize: 759476
Current children cumulated CPU time (s) 99.73
Current children cumulated vsize (Kb) 759476

[startup+110.008 s]
Raw data (loadavg): 0.98 0.96 0.91 2/55 9110
Raw data (/proc/9110/stat): 9110 (pb2sat) R 9109 9110 4004 0 -1 0 279244 0 0 0 10415 556 0 0 25 0 1 0 21461042 841396224 189151 4294967295 134512640 135987407 3221224560 3221223424 134795958 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/9110/statm): 205419 189151 364 364 0 205055 0
[pid=9110] vsize: 821676
Current children cumulated CPU time (s) 109.71
Current children cumulated vsize (Kb) 821676
One traced child (pid=9110) exited with status: 1
All traced children have exited ! Game is over.

Child status: 1
Real time (s): 115.021
CPU time (s): 114.734
CPU user time (s): 108.777
CPU system time (s): 5.95609
CPU usage (%): 99.7505
Max. virtual memory (cumulated for all children) (Kb): 821676

Verifier Data

ERROR: no interpretation found !