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-pilot.opb
MD5SUMcbcc6e4c45bc594b9a9c886c370271c9
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 560
Biggest coefficient in the objective function 3696230400
Number of bits for the biggest coefficient in the objective function 32
Sum of the numbers in the objective function 91541646075
Number of bits of the sum of numbers in the objective function 37
Biggest number in a constraint 13526630400000
Number of bits of the biggest number in a constraint 44
Biggest sum of numbers in a constraint 359500249863150
Number of bits of the biggest sum of numbers49
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark1.66275
Number of variables59467
Total number of constraints2515
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 constraints2515
Minimum length of a constraint7
Maximum length of a constraint5080

Trace number 42720 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc4 THE 2005-06-16 14:07:22 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=25938 boxname=wulflinc4 idbench=1238 idsolver=18 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  cbcc6e4c45bc594b9a9c886c370271c9  /oldhome/oroussel/tmp/wulflinc4/normalized-mps-v2-13-7-pilot.opb
REAL COMMAND:  pb2sat-v2 /oldhome/oroussel/tmp/wulflinc4/normalized-mps-v2-13-7-pilot.opb
IDLAUNCH: 25938
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.169
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		: 451.169
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:        775744 kB
Buffers:          3816 kB
Cached:         232600 kB
SwapCached:        904 kB
Active:          39616 kB
Inactive:       198888 kB
HighTotal:      131008 kB
HighFree:         7140 kB
LowTotal:       903652 kB
LowFree:        768604 kB
SwapTotal:     2097136 kB
SwapFree:      2095236 kB
Dirty:              24 kB
Writeback:           0 kB
Mapped:           4996 kB
Slab:            14732 kB
Committed_AS:    71904 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-16 14:09:09 (client local time) WITH STATUS 1 IN 106.216 SECONDS
stats: 25938 7 106.216 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): 0.99 0.96 0.91 2/54 27992
Raw data (stat): 27992 (runsolver) R 27991 21152 21151 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 971348212 884736 94 4294967295 134512640 135332820 3221224464 3221219644 135092226 0 2147483391 7 90112 0 0 0 17 0 0 0
Raw data (statm): 216 94 205 205 0 11 0
vsize: 864
[startup+10.0058 s]
Raw data (loadavg): 0.99 0.96 0.91 2/54 27992
Raw data (stat): 27992 (pb2sat-v2) R 27991 21152 21151 0 -1 0 27384 0 0 0 945 54 0 0 25 0 1 0 971348212 88027136 16466 4294967295 134512640 135730672 3221224576 3221195408 134786013 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 21491 16466 301 301 0 21190 0
vsize: 85964
[startup+20.0066 s]
Raw data (loadavg): 0.99 0.96 0.91 2/54 27992
Raw data (stat): 27992 (pb2sat-v2) R 27991 21152 21151 0 -1 0 55953 0 0 0 1890 110 0 0 25 0 1 0 971348212 175415296 33603 4294967295 134512640 135730672 3221224576 3221197664 134546470 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 42826 33603 301 301 0 42525 0
vsize: 171304
[startup+30.0065 s]
Raw data (loadavg): 0.99 0.96 0.91 2/54 27992
Raw data (stat): 27992 (pb2sat-v2) R 27991 21152 21151 0 -1 0 82412 0 0 0 2846 154 0 0 25 0 1 0 971348212 237899776 49424 4294967295 134512640 135730672 3221224576 3221194416 134770660 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 58081 49425 301 301 0 57780 0
vsize: 232324
[startup+40.0067 s]
Raw data (loadavg): 0.99 0.96 0.91 2/54 27992
Raw data (stat): 27992 (pb2sat-v2) R 27991 21152 21151 0 -1 0 112059 0 0 0 3788 212 0 0 25 0 1 0 971348212 348819456 66558 4294967295 134512640 135730672 3221224576 3221195432 134787727 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 85161 66558 301 301 0 84860 0
vsize: 340644
[startup+50.0073 s]
Raw data (loadavg): 0.99 0.96 0.91 2/54 27992
Raw data (stat): 27992 (pb2sat-v2) R 27991 21152 21151 0 -1 0 151731 0 0 0 4715 285 0 0 25 0 1 0 971348212 477409280 86319 4294967295 134512640 135730672 3221224576 3221195304 134549266 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 116555 86319 301 301 0 116254 0
vsize: 466220
[startup+60.0071 s]
Raw data (loadavg): 0.99 0.96 0.91 2/54 27992
Raw data (stat): 27992 (pb2sat-v2) R 27991 21152 21151 0 -1 0 164156 0 0 0 5690 311 0 0 25 0 1 0 971348212 478019584 97874 4294967295 134512640 135730672 3221224576 3221195808 134770870 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 116704 97874 301 301 0 116403 0
vsize: 466816
[startup+70.0076 s]
Raw data (loadavg): 0.99 0.96 0.91 2/54 27992
Raw data (stat): 27992 (pb2sat-v2) R 27991 21152 21151 0 -1 0 203528 0 0 0 6610 391 0 0 25 0 1 0 971348212 596525056 112461 4294967295 134512640 135730672 3221224576 3221194968 134787727 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 145636 112462 301 301 0 145335 0
vsize: 582544
[startup+80.0079 s]
Raw data (loadavg): 0.99 0.96 0.91 2/54 27992
Raw data (stat): 27992 (pb2sat-v2) R 27991 21152 21151 0 -1 0 219964 0 0 0 7579 422 0 0 25 0 1 0 971348212 655654912 128692 4294967295 134512640 135730672 3221224576 3221194368 134786812 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 160072 128693 301 301 0 159771 0
vsize: 640288
[startup+90.0077 s]
Raw data (loadavg): 0.99 0.96 0.91 2/54 27992
Raw data (stat): 27992 (pb2sat-v2) R 27991 21152 21151 0 -1 0 238909 0 0 0 8541 460 0 0 25 0 1 0 971348212 686026752 147404 4294967295 134512640 135730672 3221224576 3221196704 134548941 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 167487 147405 301 301 0 167186 0
vsize: 669948
[startup+100.008 s]
Raw data (loadavg): 0.99 0.97 0.91 2/54 27992
Raw data (stat): 27992 (pb2sat-v2) R 27991 21152 21151 0 -1 0 250089 0 0 0 9508 493 0 0 25 0 1 0 971348212 391458816 94683 4294967295 134512640 135730672 3221224576 3221222764 135281249 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 95571 94683 301 301 0 95270 0
vsize: 382284
[startup+106.208 s]
Raw data (loadavg): 0.99 0.97 0.91 1/53 27992
Raw data (stat): 27992 (pb2sat-v2) R 27991 21152 21151 0 -1 0 250089 0 0 0 9508 493 0 0 25 0 1 0 971348212 391458816 94683 4294967295 134512640 135730672 3221224576 3221222764 135281249 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 95571 94683 301 301 0 95270 0
vsize: 0

Child status: 1
Real time (s): 106.207
CPU time (s): 106.216
CPU user time (s): 101.077
CPU system time (s): 5.13922
CPU usage (%): 100.008
Max. virtual memory (Kb): 669948
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####