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-greenbeb.opb
MD5SUM32c6aa90779c7f105af21c4a840e4d92
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 10569
Biggest coefficient in the objective function 524288000000
Number of bits for the biggest coefficient in the objective function 39
Sum of the numbers in the objective function 20687385806400
Number of bits of the sum of numbers in the objective function 45
Biggest number in a constraint 524288000000
Number of bits of the biggest number in a constraint 39
Biggest sum of numbers in a constraint 23881563011625
Number of bits of the biggest sum of numbers45
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.949854
Number of variables104157
Total number of constraints2676
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 constraints2676
Minimum length of a constraint8
Maximum length of a constraint4848

Trace number 35440 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc25 THE 2005-05-28 13:13:04 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24750 boxname=wulflinc25 idbench=1222 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  32c6aa90779c7f105af21c4a840e4d92  /oldhome/oroussel/tmp/wulflinc25/normalized-mps-v2-13-7-greenbeb.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc25/normalized-mps-v2-13-7-greenbeb.opb
IDLAUNCH: 24750
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.220
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	: 3
cpu MHz		: 451.220
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	: 901.12

/proc/meminfo:
MemTotal:      1034660 kB
MemFree:        701564 kB
Buffers:         34996 kB
Cached:         277092 kB
SwapCached:        984 kB
Active:          40252 kB
Inactive:       273892 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        701312 kB
SwapTotal:     2097892 kB
SwapFree:      2095996 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5060 kB
Slab:            13276 kB
Committed_AS:    63600 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-28 13:14:56 (client local time) WITH STATUS 1 IN 111.191 SECONDS
stats: 24750 7 111.191 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): 0.92 0.94 0.90 2/54 9828
Raw data (stat): 9828 (runsolver) R 9827 1586 1585 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 865086711 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+10.0007 s]
Raw data (loadavg): 0.93 0.95 0.91 2/54 9828
Raw data (stat): 9828 (pb2sat) R 9827 1586 1585 0 -1 0 22962 0 0 0 952 47 0 0 25 0 1 0 865086711 92672000 14941 4294967295 134512640 135726644 3221224576 3216984992 134784885 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 22625 14941 300 300 0 22325 0
vsize: 90500
[startup+20.0008 s]
Raw data (loadavg): 0.94 0.95 0.91 2/54 9828
Raw data (stat): 9828 (pb2sat) R 9827 1586 1585 0 -1 0 54070 0 0 0 1885 114 0 0 25 0 1 0 865086711 175648768 31751 4294967295 134512640 135726644 3221224576 3217027600 135284902 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 42883 31751 300 300 0 42583 0
vsize: 171532
[startup+30.0008 s]
Raw data (loadavg): 0.95 0.95 0.91 2/54 9828
Raw data (stat): 9828 (pb2sat) R 9827 1586 1585 0 -1 0 83263 0 0 0 2831 168 0 0 25 0 1 0 865086711 249630720 51011 4294967295 134512640 135726644 3221224576 3216996128 134554691 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 60945 51011 300 300 0 60645 0
vsize: 243780
[startup+40.0014 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 9828
Raw data (stat): 9828 (pb2sat) R 9827 1586 1585 0 -1 0 111343 0 0 0 3771 228 0 0 25 0 1 0 865086711 349736960 66579 4294967295 134512640 135726644 3221224576 3216993580 135287464 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 85385 66579 300 300 0 85085 0
vsize: 341540
[startup+50.0016 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 9828
Raw data (stat): 9828 (pb2sat) R 9827 1586 1585 0 -1 0 149728 0 0 0 4695 305 0 0 25 0 1 0 865086711 551059456 104027 4294967295 134512640 135726644 3221224576 3217129760 134771720 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 134536 104027 300 300 0 134236 0
vsize: 538144
[startup+60.0017 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 9828
Raw data (stat): 9828 (pb2sat) R 9827 1586 1585 0 -1 0 180528 0 0 0 5629 371 0 0 25 0 1 0 865086711 695685120 115937 4294967295 134512640 135726644 3221224576 3217134592 134784885 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 169845 115937 300 300 0 169545 0
vsize: 679380
[startup+70.0012 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 9828
Raw data (stat): 9828 (pb2sat) R 9827 1586 1585 0 -1 0 202279 0 0 0 6577 422 0 0 25 0 1 0 865086711 628572160 112913 4294967295 134512640 135726644 3221224576 3217007328 134554711 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 153460 112913 300 300 0 153160 0
vsize: 613840
[startup+80.0015 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 9828
Raw data (stat): 9828 (pb2sat) R 9827 1586 1585 0 -1 0 223217 0 0 0 7537 463 0 0 25 0 1 0 865086711 660234240 133602 4294967295 134512640 135726644 3221224576 3216995832 134728571 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 161190 133602 300 300 0 160890 0
vsize: 644760
[startup+90.0015 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 9828
Raw data (stat): 9828 (pb2sat) R 9827 1586 1585 0 -1 0 243829 0 0 0 8496 504 0 0 25 0 1 0 865086711 691662848 153975 4294967295 134512640 135726644 3221224576 3217072944 134773981 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 168863 153975 300 300 0 168563 0
vsize: 675452
[startup+100.002 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 9828
Raw data (stat): 9828 (pb2sat) R 9827 1586 1585 0 -1 0 259398 0 0 0 9464 536 0 0 25 0 1 0 865086711 766021632 169364 4294967295 134512640 135726644 3221224576 3217001168 135138297 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 187017 169364 300 300 0 186717 0
vsize: 748068
[startup+110.002 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 9828
Raw data (stat): 9828 (pb2sat) R 9827 1586 1585 0 -1 0 259400 0 0 0 10449 551 0 0 25 0 1 0 865086711 405032960 98401 4294967295 134512640 135726644 3221224576 3221222928 135280446 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 98885 98401 300 300 0 98585 0
vsize: 395540
[startup+111.187 s]
Raw data (loadavg): 0.98 0.95 0.91 1/53 9828
Raw data (stat): 9828 (pb2sat) R 9827 1586 1585 0 -1 0 259400 0 0 0 10449 551 0 0 25 0 1 0 865086711 405032960 98401 4294967295 134512640 135726644 3221224576 3221222928 135280446 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 98885 98401 300 300 0 98585 0
vsize: 0

Child status: 1
Real time (s): 111.187
CPU time (s): 111.191
CPU user time (s): 105.468
CPU system time (s): 5.72313
CPU usage (%): 100.004
Max. virtual memory (Kb): 748068
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####