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/MIPLIB/miplib2003/normalized-mps-v2-13-7-modglob.opb
MD5SUM67db9c2194e708c1ddf0d62b3a68822e
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 6578
Biggest coefficient in the objective function 21493710848000000
Number of bits for the biggest coefficient in the objective function 55
Sum of the numbers in the objective function 1450509811657714210
Number of bits of the sum of numbers in the objective function 61
Biggest number in a constraint 21493710848000000
Number of bits of the biggest number in a constraint 55
Biggest sum of numbers in a constraint 1450509811657714210
Number of bits of the biggest sum of numbers61
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.060989
Number of variables6578
Total number of constraints389
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)98
Number of constraints which are nor clauses,nor cardinality constraints291
Minimum length of a constraint1
Maximum length of a constraint180

Trace number 42844 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc3 THE 2005-06-16 16:31:10 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=26064 boxname=wulflinc3 idbench=1364 idsolver=18 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  67db9c2194e708c1ddf0d62b3a68822e  /oldhome/oroussel/tmp/wulflinc3/normalized-mps-v2-13-7-modglob.opb
REAL COMMAND:  pb2sat-v2 /oldhome/oroussel/tmp/wulflinc3/normalized-mps-v2-13-7-modglob.opb
IDLAUNCH: 26064
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.190
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	: 2
cpu MHz		: 451.190
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:        714280 kB
Buffers:         23572 kB
Cached:         274908 kB
SwapCached:        788 kB
Active:          35304 kB
Inactive:       265368 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        714028 kB
SwapTotal:     2097136 kB
SwapFree:      2095372 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5104 kB
Slab:            14116 kB
Committed_AS:    71900 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-16 16:33:01 (client local time) WITH STATUS 1 IN 111.221 SECONDS
stats: 26064 7 111.221 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): 0.91 0.95 0.90 1/54 26646
Raw data (stat): 26646 (runsolver) R 26645 20224 20223 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 972212009 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+10.0013 s]
Raw data (loadavg): 0.93 0.95 0.90 2/54 26646
Raw data (stat): 26646 (pb2sat-v2) R 26645 20224 20223 0 -1 0 26946 0 0 0 944 54 0 0 25 0 1 0 972212009 86007808 16019 4294967295 134512640 135730672 3221224576 3221181820 134608033 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 20998 16019 301 301 0 20697 0
vsize: 83992
[startup+20.0026 s]
Raw data (loadavg): 0.94 0.96 0.91 2/54 26646
Raw data (stat): 26646 (pb2sat-v2) R 26645 20224 20223 0 -1 0 55069 0 0 0 1888 110 0 0 25 0 1 0 972212009 171769856 32923 4294967295 134512640 135730672 3221224576 3221178108 134608023 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 41936 32923 301 301 0 41635 0
vsize: 167744
[startup+30.0038 s]
Raw data (loadavg): 0.95 0.96 0.91 2/54 26646
Raw data (stat): 26646 (pb2sat-v2) R 26645 20224 20223 0 -1 0 92154 0 0 0 2818 181 0 0 25 0 1 0 972212009 346619904 60614 4294967295 134512640 135730672 3221224576 3221178736 134788521 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 84624 60618 301 301 0 84323 0
vsize: 338496
[startup+40.0036 s]
Raw data (loadavg): 0.95 0.96 0.91 2/54 26646
Raw data (stat): 26646 (pb2sat-v2) R 26645 20224 20223 0 -1 0 109514 0 0 0 3782 216 0 0 25 0 1 0 972212009 341868544 65457 4294967295 134512640 135730672 3221224576 3221177848 135285983 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 83464 65458 301 301 0 83163 0
vsize: 333856
[startup+50.0041 s]
Raw data (loadavg): 0.96 0.96 0.91 2/54 26646
Raw data (stat): 26646 (pb2sat-v2) R 26645 20224 20223 0 -1 0 140986 0 0 0 4723 276 0 0 25 0 1 0 972212009 533180416 96223 4294967295 134512640 135730672 3221224576 3221186392 135284488 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 130171 96226 301 301 0 129870 0
vsize: 520684
[startup+60.004 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 26646
Raw data (stat): 26646 (pb2sat-v2) R 26645 20224 20223 0 -1 0 178853 0 0 0 5652 347 0 0 25 0 1 0 972212009 678023168 114784 4294967295 134512640 135730672 3221224576 3221177344 134788521 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 165533 114788 301 301 0 165232 0
vsize: 662132
[startup+70.0052 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 26646
Raw data (stat): 26646 (pb2sat-v2) R 26645 20224 20223 0 -1 0 198814 0 0 0 6610 389 0 0 25 0 1 0 972212009 616316928 109973 4294967295 134512640 135730672 3221224576 3221181944 135285983 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 150468 109973 301 301 0 150167 0
vsize: 601872
[startup+80.0056 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 26646
Raw data (stat): 26646 (pb2sat-v2) R 26645 20224 20223 0 -1 0 218224 0 0 0 7574 425 0 0 25 0 1 0 972212009 645378048 129143 4294967295 134512640 135730672 3221224576 3221184808 135285983 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 157563 129143 301 301 0 157262 0
vsize: 630252
[startup+90.0058 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 26646
Raw data (stat): 26646 (pb2sat-v2) R 26645 20224 20223 0 -1 0 237487 0 0 0 8541 459 0 0 25 0 1 0 972212009 674304000 148169 4294967295 134512640 135730672 3221224576 3221178408 135285983 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 164625 148169 301 301 0 164324 0
vsize: 658500
[startup+100.007 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 26646
Raw data (stat): 26646 (pb2sat-v2) R 26645 20224 20223 0 -1 0 253034 0 0 0 9511 489 0 0 25 0 1 0 972212009 748122112 163525 4294967295 134512640 135730672 3221224576 3221181728 134784071 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 182647 163525 301 301 0 182346 0
vsize: 730588
[startup+110.007 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 26646
Raw data (stat): 26646 (pb2sat-v2) R 26645 20224 20223 0 -1 0 254997 0 0 0 10493 506 0 0 25 0 1 0 972212009 398069760 96649 4294967295 134512640 135730672 3221224576 3221222832 135282716 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 97185 96649 301 301 0 96884 0
vsize: 388740
[startup+111.225 s]
Raw data (loadavg): 0.98 0.96 0.91 1/53 26646
Raw data (stat): 26646 (pb2sat-v2) R 26645 20224 20223 0 -1 0 254997 0 0 0 10493 506 0 0 25 0 1 0 972212009 398069760 96649 4294967295 134512640 135730672 3221224576 3221222832 135282716 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 97185 96649 301 301 0 96884 0
vsize: 0

Child status: 1
Real time (s): 111.225
CPU time (s): 111.221
CPU user time (s): 105.946
CPU system time (s): 5.2752
CPU usage (%): 99.9968
Max. virtual memory (Kb): 730588
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####