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-v2-20-10/MIPLIB/miplib/normalized-mps-v2-20-10-l152lav.opb
MD5SUM00855a9538cee8df79108d56ee6867b4
Bench Categoryoptimization, small integers (OPTSMALLINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 5046
Optimality of the best value was proved NO
Number of terms in the objective function 1989
Biggest coefficient in the objective function 268
Number of bits for the biggest coefficient in the objective function 9
Sum of the numbers in the objective function 382524
Number of bits of the sum of numbers in the objective function 19
Biggest number in a constraint 268
Number of bits of the biggest number in a constraint 9
Biggest sum of numbers in a constraint 382524
Number of bits of the biggest sum of numbers19
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1175.28
Number of variables1989
Total number of constraints2086
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)2085
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint1
Maximum length of a constraint1989

Trace number 35143 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc11 THE 2005-05-28 12:18:34 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24444 boxname=wulflinc11 idbench=916 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  00855a9538cee8df79108d56ee6867b4  /oldhome/oroussel/tmp/wulflinc11/normalized-mps-v2-20-10-l152lav.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc11/normalized-mps-v2-20-10-l152lav.opb
IDLAUNCH: 24444
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.028
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		: 451.028
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:        918168 kB
Buffers:         34940 kB
Cached:          59876 kB
SwapCached:        860 kB
Active:          47148 kB
Inactive:        49884 kB
HighTotal:      131008 kB
HighFree:        68040 kB
LowTotal:       903652 kB
LowFree:        850128 kB
SwapTotal:     2097136 kB
SwapFree:      2095396 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5072 kB
Slab:            14008 kB
Committed_AS:    63596 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-05-28 12:20:20 (client local time) WITH STATUS 1 IN 105.931 SECONDS
stats: 24444 7 105.931 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 2/54 2773
Raw data (stat): 2773 (runsolver) R 2772 25830 25829 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 806519309 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+10.0009 s]
Raw data (loadavg): 0.93 0.95 0.90 2/54 2773
Raw data (stat): 2773 (pb2sat) R 2772 25830 25829 0 -1 0 29200 0 0 0 933 65 0 0 25 0 1 0 806519309 90546176 18053 4294967295 134512640 135726644 3221224576 3220568252 135287483 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 22106 18053 300 300 0 21806 0
vsize: 88424
[startup+20.0022 s]
Raw data (loadavg): 0.94 0.96 0.91 2/54 2773
Raw data (stat): 2773 (pb2sat) R 2772 25830 25829 0 -1 0 57812 0 0 0 1871 128 0 0 25 0 1 0 806519309 177315840 35441 4294967295 134512640 135726644 3221224576 3221188492 134604451 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 43290 35441 300 300 0 42990 0
vsize: 173160
[startup+30.0024 s]
Raw data (loadavg): 0.95 0.96 0.91 2/54 2773
Raw data (stat): 2773 (pb2sat) R 2772 25830 25829 0 -1 0 96655 0 0 0 2789 209 0 0 25 0 1 0 806519309 295809024 52095 4294967295 134512640 135726644 3221224576 3220944868 135288970 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 72219 52095 300 300 0 71919 0
vsize: 288876
[startup+40.0032 s]
Raw data (loadavg): 0.95 0.96 0.91 2/54 2773
Raw data (stat): 2773 (pb2sat) R 2772 25830 25829 0 -1 0 114237 0 0 0 3752 247 0 0 25 0 1 0 806519309 348151808 69443 4294967295 134512640 135726644 3221224576 3220913752 134784091 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 84998 69443 300 300 0 84698 0
vsize: 339992
[startup+50.0044 s]
Raw data (loadavg): 0.96 0.96 0.91 2/54 2773
Raw data (stat): 2773 (pb2sat) R 2772 25830 25829 0 -1 0 158971 0 0 0 4670 329 0 0 25 0 1 0 806519309 557400064 112973 4294967295 134512640 135726644 3221224576 3220571616 135279084 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 136084 112973 300 300 0 135784 0
vsize: 544336
[startup+60.0052 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 2773
Raw data (stat): 2773 (pb2sat) R 2772 25830 25829 0 -1 0 193471 0 0 0 5595 404 0 0 25 0 1 0 806519309 590950400 104305 4294967295 134512640 135726644 3221224576 3220578860 134766300 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 144275 104305 300 300 0 143975 0
vsize: 577100
[startup+70.0056 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 2773
Raw data (stat): 2773 (pb2sat) R 2772 25830 25829 0 -1 0 205070 0 0 0 6570 429 0 0 25 0 1 0 806519309 625315840 115703 4294967295 134512640 135726644 3221224576 3221067376 134784759 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 152665 115703 300 300 0 152365 0
vsize: 610660
[startup+80.0058 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 2773
Raw data (stat): 2773 (pb2sat) R 2772 25830 25829 0 -1 0 225485 0 0 0 7529 471 0 0 25 0 1 0 806519309 655187968 135887 4294967295 134512640 135726644 3221224576 3220530128 134554691 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 159958 135887 300 300 0 159658 0
vsize: 639832
[startup+90.0061 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 2773
Raw data (stat): 2773 (pb2sat) R 2772 25830 25829 0 -1 0 246342 0 0 0 8490 510 0 0 25 0 1 0 806519309 685465600 156506 4294967295 134512640 135726644 3221224576 3220942464 134739268 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 167350 156506 300 300 0 167050 0
vsize: 669400
[startup+100.006 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 2773
Raw data (stat): 2773 (pb2sat) R 2772 25830 25829 0 -1 0 262779 0 0 0 9457 543 0 0 25 0 1 0 806519309 759721984 172757 4294967295 134512640 135726644 3221224576 3220889280 134783015 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 185479 172757 300 300 0 185179 0
vsize: 741916
[startup+105.93 s]
Raw data (loadavg): 0.98 0.96 0.91 1/53 2773
Raw data (stat): 2773 (pb2sat) R 2772 25830 25829 0 -1 0 262779 0 0 0 9457 543 0 0 25 0 1 0 806519309 759721984 172757 4294967295 134512640 135726644 3221224576 3220889280 134783015 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 185479 172757 300 300 0 185179 0
vsize: 0

Child status: 1
Real time (s): 105.929
CPU time (s): 105.931
CPU user time (s): 100.107
CPU system time (s): 5.82411
CPU usage (%): 100.001
Max. virtual memory (Kb): 741916
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####