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/plato.asu.edu/pub/milp/normalized-mps-v2-13-7-swath3.opb
MD5SUMbc671f4c524beaee23c3249abe841ea7
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 21
Biggest coefficient in the objective function 1048576
Number of bits for the biggest coefficient in the objective function 21
Sum of the numbers in the objective function 2097151
Number of bits of the sum of numbers in the objective function 21
Biggest number in a constraint 1048576000000
Number of bits of the biggest number in a constraint 40
Biggest sum of numbers in a constraint 197065212145430
Number of bits of the biggest sum of numbers48
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark2.11168
Number of variables36471
Total number of constraints7608
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)2915
Number of constraints which are nor clauses,nor cardinality constraints4693
Minimum length of a constraint1
Maximum length of a constraint34870

Trace number 43008 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc6 THE 2005-06-16 21:11:58 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=26228 boxname=wulflinc6 idbench=1528 idsolver=18 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  bc671f4c524beaee23c3249abe841ea7  /oldhome/oroussel/tmp/wulflinc6/normalized-mps-v2-13-7-swath3.opb
REAL COMMAND:  pb2sat-v2 /oldhome/oroussel/tmp/wulflinc6/normalized-mps-v2-13-7-swath3.opb
IDLAUNCH: 26228
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.042
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		: 451.042
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:        626624 kB
Buffers:         22084 kB
Cached:         362700 kB
SwapCached:        980 kB
Active:          34552 kB
Inactive:       352364 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        626372 kB
SwapTotal:     2097136 kB
SwapFree:      2095216 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5092 kB
Slab:            15284 kB
Committed_AS:    63812 kB
PageTables:        320 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-16 21:14:10 (client local time) WITH STATUS 1 IN 131.501 SECONDS
stats: 26228 7 131.501 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): 0.93 0.95 0.91 2/54 26533
Raw data (stat): 26533 (runsolver) R 26532 25568 25567 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 973905281 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+10.0004 s]
Raw data (loadavg): 0.94 0.96 0.91 2/54 26533
Raw data (stat): 26533 (pb2sat-v2) R 26532 25568 25567 0 -1 0 7414 0 0 0 982 17 0 0 25 0 1 0 973905281 24907776 4340 4294967295 134512640 135730672 3221224576 3221221664 134561656 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 6081 4340 301 301 0 5780 0
vsize: 24324
[startup+20.0009 s]
Raw data (loadavg): 0.95 0.96 0.91 2/54 26533
Raw data (stat): 26533 (pb2sat-v2) R 26532 25568 25567 0 -1 0 7459 0 0 0 1982 17 0 0 25 0 1 0 973905281 24907776 4385 4294967295 134512640 135730672 3221224576 3221221664 134561656 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 6081 4385 301 301 0 5780 0
vsize: 24324
[startup+30.0006 s]
Raw data (loadavg): 0.95 0.96 0.91 2/54 26533
Raw data (stat): 26533 (pb2sat-v2) R 26532 25568 25567 0 -1 0 18427 0 0 0 2955 44 0 0 25 0 1 0 973905281 60710912 12858 4294967295 134512640 135730672 3221224576 3208314460 134608040 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 14822 12859 301 301 0 14521 0
vsize: 59288
[startup+40.0009 s]
Raw data (loadavg): 0.96 0.96 0.91 2/54 26533
Raw data (stat): 26533 (pb2sat-v2) R 26532 25568 25567 0 -1 0 44848 0 0 0 3901 99 0 0 25 0 1 0 973905281 139046912 28818 4294967295 134512640 135730672 3221224576 3205956552 135284346 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 33947 28818 301 301 0 33646 0
vsize: 135788
[startup+50.001 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 26533
Raw data (stat): 26533 (pb2sat-v2) R 26532 25568 25567 0 -1 0 78748 0 0 0 4835 166 0 0 25 0 1 0 973905281 254820352 46658 4294967295 134512640 135730672 3221224576 3207307292 134608033 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 62212 46658 301 301 0 61911 0
vsize: 248848
[startup+60.0011 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 26533
Raw data (stat): 26533 (pb2sat-v2) R 26532 25568 25567 0 -1 0 105763 0 0 0 5776 225 0 0 25 0 1 0 973905281 319479808 61139 4294967295 134512640 135730672 3221224576 3206551008 134770759 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 77998 61139 301 301 0 77697 0
vsize: 311992
[startup+70.0012 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 26533
Raw data (stat): 26533 (pb2sat-v2) R 26532 25568 25567 0 -1 0 124248 0 0 0 6732 269 0 0 25 0 1 0 973905281 384528384 79390 4294967295 134512640 135730672 3221224576 3206341368 135285983 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 93879 79390 301 301 0 93578 0
vsize: 375516
[startup+80.0014 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 26533
Raw data (stat): 26533 (pb2sat-v2) R 26532 25568 25567 0 -1 0 158924 0 0 0 7670 332 0 0 25 0 1 0 973905281 495435776 95491 4294967295 134512640 135730672 3221224576 3207757168 135109353 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 120956 95491 301 301 0 120655 0
vsize: 483824
[startup+90.0015 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 26533
Raw data (stat): 26533 (pb2sat-v2) R 26532 25568 25567 0 -1 0 176561 0 0 0 8630 371 0 0 25 0 1 0 973905281 702984192 112873 4294967295 134512640 135730672 3221224576 3206969200 134788521 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 171627 112877 301 301 0 171326 0
vsize: 686508
[startup+100.002 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 26533
Raw data (stat): 26533 (pb2sat-v2) R 26532 25568 25567 0 -1 0 213451 0 0 0 9551 451 0 0 25 0 1 0 973905281 628809728 124963 4294967295 134512640 135730672 3221224576 3206294504 134787727 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 153518 124963 301 301 0 153217 0
vsize: 614072
[startup+110.003 s]
Raw data (loadavg): 0.99 0.97 0.91 2/54 26533
Raw data (stat): 26533 (pb2sat-v2) R 26532 25568 25567 0 -1 0 229630 0 0 0 10514 488 0 0 25 0 1 0 973905281 688046080 140927 4294967295 134512640 135730672 3221224576 3207626048 134786288 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 167980 140927 301 301 0 167679 0
vsize: 671920
[startup+120.003 s]
Raw data (loadavg): 0.99 0.97 0.91 2/54 26533
Raw data (stat): 26533 (pb2sat-v2) R 26532 25568 25567 0 -1 0 247096 0 0 0 11479 524 0 0 25 0 1 0 973905281 721399808 158186 4294967295 134512640 135730672 3221224576 3217299024 135136851 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 176123 158186 301 301 0 175822 0
vsize: 704492
[startup+130.003 s]
Raw data (loadavg): 0.99 0.97 0.91 2/54 26533
Raw data (stat): 26533 (pb2sat-v2) R 26532 25568 25567 0 -1 0 247098 0 0 0 12461 542 0 0 25 0 1 0 973905281 275738624 66881 4294967295 134512640 135730672 3221224576 3221223100 135281187 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 67319 66881 301 301 0 67018 0
vsize: 269276
[startup+131.465 s]
Raw data (loadavg): 0.99 0.97 0.91 1/53 26533
Raw data (stat): 26533 (pb2sat-v2) R 26532 25568 25567 0 -1 0 247098 0 0 0 12461 542 0 0 25 0 1 0 973905281 275738624 66881 4294967295 134512640 135730672 3221224576 3221223100 135281187 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 67319 66881 301 301 0 67018 0
vsize: 0

Child status: 1
Real time (s): 131.465
CPU time (s): 131.501
CPU user time (s): 125.937
CPU system time (s): 5.56415
CPU usage (%): 100.027
Max. virtual memory (Kb): 704492
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####