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/miplib3/normalized-mps-v2-13-7-set1ch.opb
MD5SUM28671fa27f6142d46ae445332a951f0d
Bench Categoryoptimization, medium integers (OPTMEDINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 71225856
Optimality of the best value was proved NO
Number of terms in the objective function 4880
Biggest coefficient in the objective function 10485760
Number of bits for the biggest coefficient in the objective function 24
Sum of the numbers in the objective function 1662757407
Number of bits of the sum of numbers in the objective function 31
Biggest number in a constraint 10485760
Number of bits of the biggest number in a constraint 24
Biggest sum of numbers in a constraint 1662757407
Number of bits of the biggest sum of numbers31
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1254.32
Number of variables9680
Total number of constraints732
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)240
Number of constraints which are nor clauses,nor cardinality constraints492
Minimum length of a constraint1
Maximum length of a constraint420

Trace number 35672 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc15 THE 2005-05-28 13:44:56 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24980 boxname=wulflinc15 idbench=1452 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  28671fa27f6142d46ae445332a951f0d  /oldhome/oroussel/tmp/wulflinc15/normalized-mps-v2-13-7-set1ch.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc15/normalized-mps-v2-13-7-set1ch.opb
IDLAUNCH: 24980
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 450.999
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		: 450.999
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:        744008 kB
Buffers:         34236 kB
Cached:         233692 kB
SwapCached:        604 kB
Active:          59968 kB
Inactive:       210108 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        743756 kB
SwapTotal:     2097136 kB
SwapFree:      2095616 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5120 kB
Slab:            14796 kB
Committed_AS:    63604 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-05-28 13:46:38 (client local time) WITH STATUS 1 IN 101.916 SECONDS
stats: 24980 7 101.916 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): 0.93 0.95 0.91 2/54 4513
Raw data (stat): 4513 (runsolver) R 4512 23514 23513 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 807035311 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+10.0006 s]
Raw data (loadavg): 0.94 0.95 0.91 2/54 4513
Raw data (stat): 4513 (pb2sat) R 4512 23514 23513 0 -1 0 29474 0 0 0 939 59 0 0 25 0 1 0 807035311 90578944 18344 4294967295 134512640 135726644 3221224576 3219472892 134604449 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 22114 18344 300 300 0 21814 0
vsize: 88456
[startup+20.0021 s]
Raw data (loadavg): 0.95 0.95 0.91 2/54 4513
Raw data (stat): 4513 (pb2sat) R 4512 23514 23513 0 -1 0 59312 0 0 0 1878 121 0 0 25 0 1 0 807035311 178024448 36955 4294967295 134512640 135726644 3221224576 3219405996 135297960 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 43463 36955 300 300 0 43163 0
vsize: 173852
[startup+30.0022 s]
Raw data (loadavg): 0.96 0.96 0.91 2/54 4513
Raw data (stat): 4513 (pb2sat) R 4512 23514 23513 0 -1 0 99757 0 0 0 2792 206 0 0 25 0 1 0 807035311 335208448 55209 4294967295 134512640 135726644 3221224576 3219392400 134780450 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 81838 55209 300 300 0 81538 0
vsize: 327352
[startup+40.0031 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 4513
Raw data (stat): 4513 (pb2sat) R 4512 23514 23513 0 -1 0 118134 0 0 0 3752 247 0 0 25 0 1 0 807035311 351834112 73335 4294967295 134512640 135726644 3221224576 3219530624 134606509 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 85897 73335 300 300 0 85597 0
vsize: 343588
[startup+50.0043 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 4513
Raw data (stat): 4513 (pb2sat) R 4512 23514 23513 0 -1 0 164050 0 0 0 4667 332 0 0 25 0 1 0 807035311 565948416 118051 4294967295 134512640 135726644 3221224576 3219506960 134772474 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 138171 118051 300 300 0 137871 0
vsize: 552684
[startup+60.0047 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 4513
Raw data (stat): 4513 (pb2sat) R 4512 23514 23513 0 -1 0 198694 0 0 0 5585 414 0 0 25 0 1 0 807035311 633053184 109525 4294967295 134512640 135726644 3221224576 3219582000 134780435 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 154554 109525 300 300 0 154254 0
vsize: 618216
[startup+70.0045 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 4513
Raw data (stat): 4513 (pb2sat) R 4512 23514 23513 0 -1 0 212993 0 0 0 6553 446 0 0 25 0 1 0 807035311 633458688 123575 4294967295 134512640 135726644 3221224576 3219565184 135287555 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 154653 123575 300 300 0 154353 0
vsize: 618612
[startup+80.0048 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 4513
Raw data (stat): 4513 (pb2sat) R 4512 23514 23513 0 -1 0 234767 0 0 0 7504 496 0 0 25 0 1 0 807035311 664276992 145098 4294967295 134512640 135726644 3221224576 3219618952 134784091 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 162177 145099 300 300 0 161877 0
vsize: 648708
[startup+90.005 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 4513
Raw data (stat): 4513 (pb2sat) R 4512 23514 23513 0 -1 0 252638 0 0 0 8466 533 0 0 25 0 1 0 807035311 739885056 162764 4294967295 134512640 135726644 3221224576 3219876864 134767123 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 180636 162765 300 300 0 180336 0
vsize: 722544
[startup+100.005 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 4513
Raw data (stat): 4513 (pb2sat) R 4512 23514 23513 0 -1 0 266619 0 0 0 9423 577 0 0 25 0 1 0 807035311 399945728 97205 4294967295 134512640 135726644 3221224576 3221222976 134778978 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 97643 97205 300 300 0 97343 0
vsize: 390572
[startup+101.919 s]
Raw data (loadavg): 0.98 0.96 0.91 1/53 4513
Raw data (stat): 4513 (pb2sat) R 4512 23514 23513 0 -1 0 266619 0 0 0 9423 577 0 0 25 0 1 0 807035311 399945728 97205 4294967295 134512640 135726644 3221224576 3221222976 134778978 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 97643 97205 300 300 0 97343 0
vsize: 0

Child status: 1
Real time (s): 101.918
CPU time (s): 101.916
CPU user time (s): 95.9394
CPU system time (s): 5.97609
CPU usage (%): 99.9975
Max. virtual memory (Kb): 722544
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####