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/miplib/normalized-mps-v2-13-7-air04.opb
MD5SUMeb0734273e24196dd14c6f237b52fa81
Bench Categoryoptimization, medium integers (OPTMEDINT)
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 8904
Biggest coefficient in the objective function 2258
Number of bits for the biggest coefficient in the objective function 12
Sum of the numbers in the objective function 5135151
Number of bits of the sum of numbers in the objective function 23
Biggest number in a constraint 2258
Number of bits of the biggest number in a constraint 12
Biggest sum of numbers in a constraint 5135151
Number of bits of the biggest sum of numbers23
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.119981
Number of variables8904
Total number of constraints9727
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)9727
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint368

Trace number 35512 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc19 THE 2005-05-28 13:19:57 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24809 boxname=wulflinc19 idbench=1281 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  eb0734273e24196dd14c6f237b52fa81  /oldhome/oroussel/tmp/wulflinc19/normalized-mps-v2-13-7-air04.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc19/normalized-mps-v2-13-7-air04.opb
IDLAUNCH: 24809
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.037
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	: 3
cpu MHz		: 451.037
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:        946168 kB
Buffers:          4492 kB
Cached:          62748 kB
SwapCached:       1032 kB
Active:          20628 kB
Inactive:        48676 kB
HighTotal:      131008 kB
HighFree:        78064 kB
LowTotal:       903652 kB
LowFree:        868104 kB
SwapTotal:     2097892 kB
SwapFree:      2095980 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           4896 kB
Slab:            13512 kB
Committed_AS:    63592 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-28 13:21:40 (client local time) WITH STATUS 1 IN 102.462 SECONDS
stats: 24809 7 102.462 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): 1.00 0.97 0.91 2/54 20915
Raw data (stat): 20915 (runsolver) R 20914 10795 10794 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 865105674 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+10.0011 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 20915
Raw data (stat): 20915 (pb2sat) R 20914 10795 10794 0 -1 0 23896 0 0 0 945 53 0 0 25 0 1 0 865105674 92364800 15867 4294967295 134512640 135726644 3221224576 3219394592 134784885 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 22550 15871 300 300 0 22250 0
vsize: 90200
[startup+20.0006 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 20915
Raw data (stat): 20915 (pb2sat) R 20914 10795 10794 0 -1 0 54088 0 0 0 1879 120 0 0 25 0 1 0 865105674 159240192 31743 4294967295 134512640 135726644 3221224576 3217992176 134785102 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 38877 31743 300 300 0 38577 0
vsize: 155508
[startup+30.002 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 20915
Raw data (stat): 20915 (pb2sat) R 20914 10795 10794 0 -1 0 81292 0 0 0 2827 172 0 0 25 0 1 0 865105674 245530624 49013 4294967295 134512640 135726644 3221224576 3218372480 134782642 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 59944 49013 300 300 0 59644 0
vsize: 239776
[startup+40.0015 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 20915
Raw data (stat): 20915 (pb2sat) R 20914 10795 10794 0 -1 0 109635 0 0 0 3764 235 0 0 25 0 1 0 865105674 349691904 64836 4294967295 134512640 135726644 3221224576 3217913680 134782642 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 85374 64836 300 300 0 85074 0
vsize: 341496
[startup+50.0021 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 20915
Raw data (stat): 20915 (pb2sat) R 20914 10795 10794 0 -1 0 150209 0 0 0 4691 308 0 0 25 0 1 0 865105674 551235584 104315 4294967295 134512640 135726644 3221224576 3217712960 134771720 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 134579 104318 300 300 0 134279 0
vsize: 538316
[startup+60.0022 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 20915
Raw data (stat): 20915 (pb2sat) R 20914 10795 10794 0 -1 0 165128 0 0 0 5656 343 0 0 25 0 1 0 865105674 487636992 100466 4294967295 134512640 135726644 3221224576 3220263440 134559777 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 119052 100466 300 300 0 118752 0
vsize: 476208
[startup+70.0019 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 20915
Raw data (stat): 20915 (pb2sat) R 20914 10795 10794 0 -1 0 203866 0 0 0 6575 425 0 0 25 0 1 0 865105674 600059904 114386 4294967295 134512640 135726644 3221224576 3219292232 135282351 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 146499 114387 300 300 0 146199 0
vsize: 585996
[startup+80.0025 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 20915
Raw data (stat): 20915 (pb2sat) R 20914 10795 10794 0 -1 0 221421 0 0 0 7537 462 0 0 25 0 1 0 865105674 661594112 131713 4294967295 134512640 135726644 3221224576 3218686152 135282351 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 161522 131713 300 300 0 161222 0
vsize: 646088
[startup+90.0029 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 20915
Raw data (stat): 20915 (pb2sat) R 20914 10795 10794 0 -1 0 241798 0 0 0 8495 505 0 0 25 0 1 0 865105674 694169600 151827 4294967295 134512640 135726644 3221224576 3218534064 134767079 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 169475 151827 300 300 0 169175 0
vsize: 677900
[startup+100.003 s]
Raw data (loadavg): 1.00 0.97 0.91 2/54 20915
Raw data (stat): 20915 (pb2sat) R 20914 10795 10794 0 -1 0 246900 0 0 0 9473 527 0 0 25 0 1 0 865105674 392671232 95453 4294967295 134512640 135726644 3221224576 3221222764 135277617 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 95867 95453 300 300 0 95567 0
vsize: 383468
[startup+102.462 s]
Raw data (loadavg): 1.00 0.97 0.91 1/53 20915
Raw data (stat): 20915 (pb2sat) R 20914 10795 10794 0 -1 0 246900 0 0 0 9473 527 0 0 25 0 1 0 865105674 392671232 95453 4294967295 134512640 135726644 3221224576 3221222764 135277617 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 95867 95453 300 300 0 95567 0
vsize: 0

Child status: 1
Real time (s): 102.462
CPU time (s): 102.462
CPU user time (s): 96.9953
CPU system time (s): 5.46717
CPU usage (%): 100.001
Max. virtual memory (Kb): 677900
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####