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-pilot87.opb
MD5SUM9658bbaea81a963c53a05a25fe9ca956
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 7860
Biggest coefficient in the objective function 1728189562880
Number of bits for the biggest coefficient in the objective function 41
Sum of the numbers in the objective function 73714762784766
Number of bits of the sum of numbers in the objective function 47
Biggest number in a constraint 524288000000000
Number of bits of the biggest number in a constraint 49
Biggest sum of numbers in a constraint 1292497795394025
Number of bits of the biggest sum of numbers51
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark4.37433
Number of variables78247
Total number of constraints3645
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 constraints3645
Minimum length of a constraint7
Maximum length of a constraint5778

Trace number 10337

Launcher Data

LAUNCH ON wulflinc27 THE 2005-09-23 17:51:59 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=9079 boxname=wulflinc27 idbench=875 idsolver=8 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  9658bbaea81a963c53a05a25fe9ca956  /oldhome/oroussel/tmp/wulflinc27/normalized-mps-v2-13-7-pilot87.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc27/normalized-mps-v2-13-7-pilot87.opb
IDLAUNCH: 9079
/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:        910420 kB
Buffers:         12164 kB
Cached:          94596 kB
SwapCached:          0 kB
Active:          66232 kB
Inactive:        43416 kB
HighTotal:      131008 kB
HighFree:        32032 kB
LowTotal:       903652 kB
LowFree:        878388 kB
SwapTotal:     2097892 kB
SwapFree:      2097892 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6984 kB
Slab:             9036 kB
Committed_AS:    63660 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-09-23 17:53:44 (client local time) WITH STATUS 1 IN 103.824 SECONDS
stats: 9079 7 103.824 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/10513/stat): 10513 (pb2sat) R 10512 10513 4005 0 -1 0 18 0 0 0 0 0 0 0 23 0 1 0 22093332 1527808 2 4294967295 134512640 135987407 3221224560 3221224560 134512928 0 0 5 0 0 0 0 17 1 0 0
Raw data (/proc/10513/statm): 373 2 364 364 0 9 0
[pid=10513] vsize: 1492
open syscall for file /oldhome/oroussel/tmp/wulflinc27/normalized-mps-v2-13-7-pilot87.opb

[startup+10.0021 s]
Raw data (loadavg): 0.95 0.95 0.95 2/55 10513
Raw data (/proc/10513/stat): 10513 (pb2sat) R 10512 10513 4005 0 -1 0 28160 0 0 0 933 61 0 0 25 0 1 0 22093332 94314496 17045 4294967295 134512640 135987407 3221224560 3221067104 134802741 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10513/statm): 23026 17045 364 364 0 22662 0
[pid=10513] vsize: 92104
Current children cumulated CPU time (s) 9.94
Current children cumulated vsize (Kb) 92104

[startup+20.0029 s]
Raw data (loadavg): 0.96 0.95 0.95 2/55 10513
Raw data (/proc/10513/stat): 10513 (pb2sat) R 10512 10513 4005 0 -1 0 60061 0 0 0 1866 126 0 0 25 0 1 0 22093332 191356928 37721 4294967295 134512640 135987407 3221224560 3221065840 134887887 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10513/statm): 46718 37721 364 364 0 46354 0
[pid=10513] vsize: 186872
Current children cumulated CPU time (s) 19.92
Current children cumulated vsize (Kb) 186872

[startup+30.0037 s]
Raw data (loadavg): 0.96 0.95 0.95 1/55 10513
Raw data (/proc/10513/stat): 10513 (pb2sat) T 10512 10513 4005 0 -1 0 103876 0 0 0 2779 210 0 0 25 0 1 0 22093332 324988928 59327 4294967295 134512640 135987407 3221224560 3221072460 135635874 0 0 5 16384 3222434794 0 0 17 1 0 0
Raw data (/proc/10513/statm): 79343 59327 364 364 0 78979 0
[pid=10513] vsize: 317372
Current children cumulated CPU time (s) 29.89
Current children cumulated vsize (Kb) 317372

[startup+40.0046 s]
Raw data (loadavg): 0.97 0.95 0.95 2/55 10513
Raw data (/proc/10513/stat): 10513 (pb2sat) R 10512 10513 4005 0 -1 0 123131 0 0 0 3739 249 0 0 25 0 1 0 22093332 384225280 78352 4294967295 134512640 135987407 3221224560 3221078560 134537491 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/10513/statm): 93805 78352 364 364 0 93441 0
[pid=10513] vsize: 375220
Current children cumulated CPU time (s) 39.88
Current children cumulated vsize (Kb) 375220

[startup+50.0044 s]
Raw data (loadavg): 0.97 0.95 0.95 2/55 10513
Raw data (/proc/10513/stat): 10513 (pb2sat) R 10512 10513 4005 0 -1 0 158097 0 0 0 4664 319 0 0 25 0 1 0 22093332 578605056 112514 4294967295 134512640 135987407 3221224560 3221086816 134856467 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/10513/statm): 141261 112514 364 364 0 140897 0
[pid=10513] vsize: 565044
Current children cumulated CPU time (s) 49.83
Current children cumulated vsize (Kb) 565044

[startup+60.0052 s]
Raw data (loadavg): 0.98 0.95 0.95 2/55 10513
Raw data (/proc/10513/stat): 10513 (pb2sat) R 10512 10513 4005 0 -1 0 209600 0 0 0 5552 429 0 0 25 0 1 0 22093332 650002432 120421 4294967295 134512640 135987407 3221224560 3221095696 134537371 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/10513/statm): 158692 120421 364 364 0 158328 0
[pid=10513] vsize: 634768
Current children cumulated CPU time (s) 59.81
Current children cumulated vsize (Kb) 634768

[startup+70.005 s]
Raw data (loadavg): 0.98 0.95 0.95 2/55 10513
Raw data (/proc/10513/stat): 10513 (pb2sat) R 10512 10513 4005 0 -1 0 226986 0 0 0 6513 466 0 0 25 0 1 0 22093332 706265088 137597 4294967295 134512640 135987407 3221224560 3221100592 134856387 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/10513/statm): 172428 137597 364 364 0 172064 0
[pid=10513] vsize: 689712
Current children cumulated CPU time (s) 69.79
Current children cumulated vsize (Kb) 689712

[startup+80.0059 s]
Raw data (loadavg): 0.98 0.95 0.95 2/55 10513
Raw data (/proc/10513/stat): 10513 (pb2sat) R 10512 10513 4005 0 -1 0 246820 0 0 0 7470 506 0 0 25 0 1 0 22093332 732352512 157193 4294967295 134512640 135987407 3221224560 3221104620 135482121 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/10513/statm): 178797 157193 364 364 0 178433 0
[pid=10513] vsize: 715188
Current children cumulated CPU time (s) 79.76
Current children cumulated vsize (Kb) 715188

[startup+90.0057 s]
Raw data (loadavg): 0.98 0.96 0.95 2/55 10513
Raw data (/proc/10513/stat): 10513 (pb2sat) R 10512 10513 4005 0 -1 0 262827 0 0 0 8435 539 0 0 25 0 1 0 22093332 803635200 173006 4294967295 134512640 135987407 3221224560 3221121908 135479950 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/10513/statm): 196200 173006 364 364 0 195836 0
[pid=10513] vsize: 784800
Current children cumulated CPU time (s) 89.74
Current children cumulated vsize (Kb) 784800

[startup+100.006 s]
Raw data (loadavg): 0.99 0.96 0.95 2/55 10513
Raw data (/proc/10513/stat): 10513 (pb2sat) R 10512 10513 4005 0 -1 0 281599 0 0 0 9397 575 0 0 25 0 1 0 22093332 829960192 191525 4294967295 134512640 135987407 3221224560 3221222804 135479922 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/10513/statm): 202627 191525 364 364 0 202263 0
[pid=10513] vsize: 810508
Current children cumulated CPU time (s) 99.72
Current children cumulated vsize (Kb) 810508
One traced child (pid=10513) exited with status: 1
All traced children have exited ! Game is over.

Child status: 1
Real time (s): 104.099
CPU time (s): 103.824
CPU user time (s): 97.6701
CPU system time (s): 6.15406
CPU usage (%): 99.736
Max. virtual memory (cumulated for all children) (Kb): 810508

Verifier Data

ERROR: no interpretation found !