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).
  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

Namenormalized-opb/mps-v2-13-7/ftp.netlib.org/lp/data/normalized-mps-v2-13-7-wood1p.opb
MD5SUMebfeaf296769d76c3baeac85e245b267
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 20
Biggest coefficient in the objective function 524288
Number of bits for the biggest coefficient in the objective function 20
Sum of the numbers in the objective function 1048575
Number of bits of the sum of numbers in the objective function 20
Biggest number in a constraint 52428800000000
Number of bits of the biggest number in a constraint 46
Biggest sum of numbers in a constraint 64856524263290100
Number of bits of the biggest sum of numbers56
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark7.12892
Number of variables51880
Total number of constraints244
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 constraints244
Minimum length of a constraint20
Maximum length of a constraint51840

Trace number 42759 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc6 THE 2005-06-16 14:25:47 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=25976 boxname=wulflinc6 idbench=1276 idsolver=18 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  ebfeaf296769d76c3baeac85e245b267  /oldhome/oroussel/tmp/wulflinc6/normalized-mps-v2-13-7-wood1p.opb
REAL COMMAND:  pb2sat-v2 /oldhome/oroussel/tmp/wulflinc6/normalized-mps-v2-13-7-wood1p.opb
IDLAUNCH: 25976
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.042
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	: 2
cpu MHz		: 451.042
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:        640700 kB
Buffers:         16856 kB
Cached:         353764 kB
SwapCached:       1000 kB
Active:          56540 kB
Inactive:       316196 kB
HighTotal:      131008 kB
HighFree:          280 kB
LowTotal:       903652 kB
LowFree:        640420 kB
SwapTotal:     2097136 kB
SwapFree:      2095200 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5092 kB
Slab:            15592 kB
Committed_AS:    63848 kB
PageTables:        320 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-16 14:27:43 (client local time) WITH STATUS 1 IN 114.606 SECONDS
stats: 25976 7 114.606 1
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c This solver internally uses Chaff 2004.11.15 Simplified

	Unexpected exception :
	St9bad_alloc
#### END SOLVER DATA ####
#### BEGIN WATCHER DATA ####
Enforcing CPU limit (will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1230 seconds
Enforcing VSIZE limit: 943718400 bytes
Enforcing Stack size limit: 67108864 bytes
Current StackSize limit: 67108864 bytes
Raw data (loadavg): 0.86 0.93 0.90 2/54 22241
Raw data (stat): 22241 (runsolver) R 22240 25568 25567 0 -1 64 8 0 0 0 0 0 0 0 20 0 1 0 971467940 884736 94 4294967295 134512640 135332820 3221224464 3221219644 135092226 0 2147483391 7 90112 0 0 0 17 1 0 0
Raw data (statm): 216 94 205 205 0 11 0
vsize: 864
[startup+10.0002 s]
Raw data (loadavg): 0.88 0.93 0.90 2/54 22241
Raw data (stat): 22241 (pb2sat-v2) R 22240 25568 25567 0 -1 0 27335 0 0 0 940 60 0 0 25 0 1 0 971467940 89137152 16227 4294967295 134512640 135730672 3221224576 3217900864 134786275 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 21762 16227 301 301 0 21461 0
vsize: 87048
[startup+20.0006 s]
Raw data (loadavg): 0.90 0.93 0.90 2/54 22241
Raw data (stat): 22241 (pb2sat-v2) R 22240 25568 25567 0 -1 0 55769 0 0 0 1882 118 0 0 25 0 1 0 971467940 175366144 33445 4294967295 134512640 135730672 3221224576 3217922064 135284212 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 42814 33445 301 301 0 42513 0
vsize: 171256
[startup+30.0004 s]
Raw data (loadavg): 0.91 0.94 0.90 2/54 22241
Raw data (stat): 22241 (pb2sat-v2) R 22240 25568 25567 0 -1 0 96340 0 0 0 2800 200 0 0 25 0 1 0 971467940 301158400 51826 4294967295 134512640 135730672 3221224576 3217875480 134787727 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 73525 51827 301 301 0 73224 0
vsize: 294100
[startup+40.0005 s]
Raw data (loadavg): 0.93 0.94 0.90 2/54 22241
Raw data (stat): 22241 (pb2sat-v2) R 22240 25568 25567 0 -1 0 111255 0 0 0 3768 232 0 0 25 0 1 0 971467940 345120768 66518 4294967295 134512640 135730672 3221224576 3217919424 134786278 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 84258 66520 301 301 0 83957 0
vsize: 337032
[startup+50.001 s]
Raw data (loadavg): 0.94 0.94 0.90 2/54 22241
Raw data (stat): 22241 (pb2sat-v2) R 22240 25568 25567 0 -1 0 131345 0 0 0 4730 271 0 0 25 0 1 0 971467940 374181888 86378 4294967295 134512640 135730672 3221224576 3217888324 135292995 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 91353 86379 301 301 0 91052 0
vsize: 365412
[startup+60.0008 s]
Raw data (loadavg): 0.95 0.94 0.91 2/54 22241
Raw data (stat): 22241 (pb2sat-v2) R 22240 25568 25567 0 -1 0 192116 0 0 0 5607 394 0 0 25 0 1 0 971467940 598192128 103016 4294967295 134512640 135730672 3221224576 3217940316 134608033 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 146043 103016 301 301 0 145742 0
vsize: 584172
[startup+70.001 s]
Raw data (loadavg): 0.95 0.94 0.91 2/54 22241
Raw data (stat): 22241 (pb2sat-v2) R 22240 25568 25567 0 -1 0 203304 0 0 0 6583 418 0 0 25 0 1 0 971467940 631746560 113998 4294967295 134512640 135730672 3221224576 3217964104 134787727 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 154235 113998 301 301 0 153934 0
vsize: 616940
[startup+80.0015 s]
Raw data (loadavg): 0.96 0.94 0.91 2/54 22241
Raw data (stat): 22241 (pb2sat-v2) R 22240 25568 25567 0 -1 0 220504 0 0 0 7546 456 0 0 25 0 1 0 971467940 650268672 130968 4294967295 134512640 135730672 3221224576 3217915336 135291151 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 158757 130968 301 301 0 158456 0
vsize: 635028
[startup+90.0016 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 22241
Raw data (stat): 22241 (pb2sat-v2) R 22240 25568 25567 0 -1 0 240318 0 0 0 8507 495 0 0 25 0 1 0 971467940 679337984 150552 4294967295 134512640 135730672 3221224576 3217962248 135285983 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 165854 150553 301 301 0 165553 0
vsize: 663416
[startup+100.001 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 22241
Raw data (stat): 22241 (pb2sat-v2) R 22240 25568 25567 0 -1 0 255940 0 0 0 9474 526 0 0 25 0 1 0 971467940 752513024 165993 4294967295 134512640 135730672 3221224576 3217894544 134549826 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 183719 165993 301 301 0 183418 0
vsize: 734876
[startup+110.002 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 22241
Raw data (stat): 22241 (pb2sat-v2) R 22240 25568 25567 0 -1 0 263422 0 0 0 10440 556 0 0 25 0 1 0 971467940 403656704 98105 4294967295 134512640 135730672 3221224576 3221222764 135281221 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 98549 98105 301 301 0 98248 0
vsize: 394196
[startup+114.636 s]
Raw data (loadavg): 0.98 0.95 0.91 1/53 22241
Raw data (stat): 22241 (pb2sat-v2) R 22240 25568 25567 0 -1 0 263422 0 0 0 10440 556 0 0 25 0 1 0 971467940 403656704 98105 4294967295 134512640 135730672 3221224576 3221222764 135281221 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 98549 98105 301 301 0 98248 0
vsize: 0

Child status: 1
Real time (s): 114.636
CPU time (s): 114.606
CPU user time (s): 108.825
CPU system time (s): 5.78012
CPU usage (%): 99.9738
Max. virtual memory (Kb): 734876
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####