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-qiu.opb
MD5SUM3d2c1e8e1ac719fa835886a3b753eac3
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 5328
Biggest coefficient in the objective function 8885108736
Number of bits for the biggest coefficient in the objective function 34
Sum of the numbers in the objective function 4692033563496
Number of bits of the sum of numbers in the objective function 43
Biggest number in a constraint 8885108736
Number of bits of the biggest number in a constraint 34
Biggest sum of numbers in a constraint 4692033563496
Number of bits of the biggest sum of numbers43
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.136978
Number of variables15888
Total number of constraints1192
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 constraints1192
Minimum length of a constraint21
Maximum length of a constraint3960

Trace number 42804 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc3 THE 2005-06-16 15:28:32 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=26024 boxname=wulflinc3 idbench=1324 idsolver=18 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  3d2c1e8e1ac719fa835886a3b753eac3  /oldhome/oroussel/tmp/wulflinc3/normalized-mps-v2-13-7-qiu.opb
REAL COMMAND:  pb2sat-v2 /oldhome/oroussel/tmp/wulflinc3/normalized-mps-v2-13-7-qiu.opb
IDLAUNCH: 26024
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.190
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		: 451.190
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:        718008 kB
Buffers:         20144 kB
Cached:         274324 kB
SwapCached:        788 kB
Active:          34368 kB
Inactive:       262284 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        717756 kB
SwapTotal:     2097136 kB
SwapFree:      2095372 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5104 kB
Slab:            14448 kB
Committed_AS:    71900 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-16 15:30:23 (client local time) WITH STATUS 1 IN 110.799 SECONDS
stats: 26024 7 110.799 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): 0.90 0.93 0.90 1/54 26127
Raw data (stat): 26127 (runsolver) R 26126 20224 20223 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 971836196 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): 0.91 0.93 0.90 2/54 26127
Raw data (stat): 26127 (pb2sat-v2) R 26126 20224 20223 0 -1 0 25168 0 0 0 942 57 0 0 25 0 1 0 971836196 82825216 14100 4294967295 134512640 135730672 3221224576 3219641484 134637877 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 20221 14100 301 301 0 19920 0
vsize: 80884
[startup+20.0008 s]
Raw data (loadavg): 0.92 0.94 0.91 2/54 26127
Raw data (stat): 26127 (pb2sat-v2) R 26126 20224 20223 0 -1 0 54129 0 0 0 1885 114 0 0 25 0 1 0 971836196 168919040 31844 4294967295 134512640 135730672 3221224576 3220024172 134608035 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 41240 31844 301 301 0 40939 0
vsize: 164960
[startup+30.0021 s]
Raw data (loadavg): 0.94 0.94 0.91 2/54 26127
Raw data (stat): 26127 (pb2sat-v2) R 26126 20224 20223 0 -1 0 95362 0 0 0 2803 196 0 0 25 0 1 0 971836196 292405248 50881 4294967295 134512640 135730672 3221224576 3220229356 134772206 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 71388 50881 301 301 0 71087 0
vsize: 285552
[startup+40.0015 s]
Raw data (loadavg): 0.95 0.94 0.91 2/54 26127
Raw data (stat): 26127 (pb2sat-v2) R 26126 20224 20223 0 -1 0 111759 0 0 0 3764 236 0 0 25 0 1 0 971836196 340557824 67049 4294967295 134512640 135730672 3221224576 3220795840 134546564 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 83144 67049 301 301 0 82843 0
vsize: 332576
[startup+50.0023 s]
Raw data (loadavg): 0.95 0.94 0.91 2/54 26127
Raw data (stat): 26127 (pb2sat-v2) R 26126 20224 20223 0 -1 0 136264 0 0 0 4714 285 0 0 25 0 1 0 971836196 518582272 91161 4294967295 134512640 135730672 3221224576 3221017064 135284224 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 126607 91161 301 301 0 126306 0
vsize: 506428
[startup+60.0026 s]
Raw data (loadavg): 0.96 0.94 0.91 2/54 26127
Raw data (stat): 26127 (pb2sat-v2) R 26126 20224 20223 0 -1 0 191563 0 0 0 5601 398 0 0 25 0 1 0 971836196 590245888 103523 4294967295 134512640 135730672 3221224576 3219445180 135291070 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 144103 103523 301 301 0 143802 0
vsize: 576412
[startup+70.003 s]
Raw data (loadavg): 0.97 0.94 0.91 2/54 26127
Raw data (stat): 26127 (pb2sat-v2) R 26126 20224 20223 0 -1 0 203057 0 0 0 6574 425 0 0 25 0 1 0 971836196 623800320 114811 4294967295 134512640 135730672 3221224576 3219876308 134549565 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 152295 114811 301 301 0 151994 0
vsize: 609180
[startup+80.0038 s]
Raw data (loadavg): 0.97 0.94 0.91 2/54 26127
Raw data (stat): 26127 (pb2sat-v2) R 26126 20224 20223 0 -1 0 215663 0 0 0 7543 456 0 0 25 0 1 0 971836196 623800320 127192 4294967295 134512640 135730672 3221224576 3220268352 134608800 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 152295 127192 301 301 0 151994 0
vsize: 609180
[startup+90.0042 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 26127
Raw data (stat): 26127 (pb2sat-v2) R 26126 20224 20223 0 -1 0 228285 0 0 0 8515 484 0 0 25 0 1 0 971836196 623800320 139589 4294967295 134512640 135730672 3221224576 3220452016 134546564 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 152295 139589 301 301 0 151994 0
vsize: 609180
[startup+100.005 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 26127
Raw data (stat): 26127 (pb2sat-v2) R 26126 20224 20223 0 -1 0 241925 0 0 0 9483 516 0 0 25 0 1 0 971836196 685621248 153036 4294967295 134512640 135730672 3221224576 3220836608 134549032 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 167388 153036 301 301 0 167087 0
vsize: 669552
[startup+110.006 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 26127
Raw data (stat): 26127 (pb2sat-v2) R 26126 20224 20223 0 -1 0 249420 0 0 0 10453 546 0 0 25 0 1 0 971836196 344883200 83773 4294967295 134512640 135730672 3221224576 3221222956 135104780 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 84200 83773 301 301 0 83899 0
vsize: 336800
[startup+110.808 s]
Raw data (loadavg): 0.98 0.95 0.91 1/53 26127
Raw data (stat): 26127 (pb2sat-v2) R 26126 20224 20223 0 -1 0 249420 0 0 0 10453 546 0 0 25 0 1 0 971836196 344883200 83773 4294967295 134512640 135730672 3221224576 3221222956 135104780 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 84200 83773 301 301 0 83899 0
vsize: 0

Child status: 1
Real time (s): 110.808
CPU time (s): 110.799
CPU user time (s): 105.159
CPU system time (s): 5.64014
CPU usage (%): 99.992
Max. virtual memory (Kb): 669552
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####