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/miplib2003/normalized-mps-v2-20-10-momentum2.opb
MD5SUM46da43c96f006f296bc8287cf17c977a
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 24130
Biggest coefficient in the objective function 655360000
Number of bits for the biggest coefficient in the objective function 30
Sum of the numbers in the objective function 3638660312
Number of bits of the sum of numbers in the objective function 32
Biggest number in a constraint 1024000000000000013606456393728
Number of bits of the biggest number in a constraint 100
Biggest sum of numbers in a constraint 3743132712137090149495810818048
Number of bits of the biggest sum of numbers102
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.233964
Number of variables25930
Total number of constraints27909
Number of constraints which are clauses10362
Number of constraints which are cardinality constraints (but not clauses)1921
Number of constraints which are nor clauses,nor cardinality constraints15626
Minimum length of a constraint1
Maximum length of a constraint913

Trace number 35206 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc10 THE 2005-05-28 12:25:47 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24510 boxname=wulflinc10 idbench=982 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  46da43c96f006f296bc8287cf17c977a  /oldhome/oroussel/tmp/wulflinc10/normalized-mps-v2-20-10-momentum2.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc10/normalized-mps-v2-20-10-momentum2.opb
IDLAUNCH: 24510
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 450.999
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		: 450.999
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:        670616 kB
Buffers:         35076 kB
Cached:         307016 kB
SwapCached:         84 kB
Active:         149508 kB
Inactive:       195220 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        670364 kB
SwapTotal:     2097136 kB
SwapFree:      2096728 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5880 kB
Slab:            13688 kB
Committed_AS:    63600 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-05-28 12:27:53 (client local time) WITH STATUS 1 IN 123.862 SECONDS
stats: 24510 7 123.862 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): 0.95 0.95 0.91 2/54 23061
Raw data (stat): 23061 (runsolver) R 23060 15547 15546 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 806580603 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+10.0004 s]
Raw data (loadavg): 0.95 0.95 0.91 2/54 23061
Raw data (stat): 23061 (pb2sat) R 23060 15547 15546 0 -1 0 2196 0 0 0 994 5 0 0 25 0 1 0 806580603 8089600 1521 4294967295 134512640 135726644 3221224576 3221221664 134556168 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 1975 1521 300 300 0 1675 0
vsize: 7900
[startup+20.0006 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 23061
Raw data (stat): 23061 (pb2sat) R 23060 15547 15546 0 -1 0 30792 0 0 0 1931 68 0 0 25 0 1 0 806580603 100487168 19663 4294967295 134512640 135726644 3221224576 3212977264 134767136 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 24533 19663 300 300 0 24233 0
vsize: 98132
[startup+30.001 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 23061
Raw data (stat): 23061 (pb2sat) R 23060 15547 15546 0 -1 0 59699 0 0 0 2867 132 0 0 25 0 1 0 806580603 186851328 37353 4294967295 134512640 135726644 3221224576 3211955716 134554607 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 45618 37353 300 300 0 45318 0
vsize: 182472
[startup+40.0076 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 23061
Raw data (stat): 23061 (pb2sat) R 23060 15547 15546 0 -1 0 99737 0 0 0 3781 218 0 0 25 0 1 0 806580603 306958336 55201 4294967295 134512640 135726644 3221224576 3211982128 134554711 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 74941 55201 300 300 0 74641 0
vsize: 299764
[startup+50.0188 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 23061
Raw data (stat): 23061 (pb2sat) R 23060 15547 15546 0 -1 0 116490 0 0 0 4739 261 0 0 25 0 1 0 806580603 357543936 71730 4294967295 134512640 135726644 3221224576 3213122208 134558137 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 87291 71730 300 300 0 86991 0
vsize: 349164
[startup+60.0187 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 23061
Raw data (stat): 23061 (pb2sat) R 23060 15547 15546 0 -1 0 143296 0 0 0 5683 318 0 0 25 0 1 0 806580603 539893760 98037 4294967295 134512640 135726644 3221224576 3213049724 135297992 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 131810 98037 300 300 0 131510 0
vsize: 527240
[startup+70.0193 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 23061
Raw data (stat): 23061 (pb2sat) R 23060 15547 15546 0 -1 0 196515 0 0 0 6575 426 0 0 25 0 1 0 806580603 605339648 108414 4294967295 134512640 135726644 3221224576 3212075032 134559790 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 147788 108414 300 300 0 147488 0
vsize: 591152
[startup+80.0215 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 23061
Raw data (stat): 23061 (pb2sat) R 23060 15547 15546 0 -1 0 208323 0 0 0 7546 455 0 0 25 0 1 0 806580603 638894080 120011 4294967295 134512640 135726644 3221224576 3212270880 134783203 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 155980 120011 300 300 0 155680 0
vsize: 623920
[startup+90.0214 s]
Raw data (loadavg): 0.99 0.96 0.91 2/54 23061
Raw data (stat): 23061 (pb2sat) R 23060 15547 15546 0 -1 0 227013 0 0 0 8505 496 0 0 25 0 1 0 806580603 662953984 138472 4294967295 134512640 135726644 3221224576 3211967392 134607669 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 161854 138472 300 300 0 161554 0
vsize: 647416
[startup+100.022 s]
Raw data (loadavg): 0.99 0.96 0.91 2/54 23061
Raw data (stat): 23061 (pb2sat) R 23060 15547 15546 0 -1 0 245525 0 0 0 9464 537 0 0 25 0 1 0 806580603 739643392 156769 4294967295 134512640 135726644 3221224576 3213229200 134780348 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 180577 156769 300 300 0 180277 0
vsize: 722308
[startup+110.022 s]
Raw data (loadavg): 0.99 0.96 0.91 2/54 23061
Raw data (stat): 23061 (pb2sat) R 23060 15547 15546 0 -1 0 262307 0 0 0 10425 575 0 0 25 0 1 0 806580603 763703296 173357 4294967295 134512640 135726644 3221224576 3213499264 134767049 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 186451 173357 300 300 0 186151 0
vsize: 745804
[startup+120.022 s]
Raw data (loadavg): 0.99 0.96 0.91 2/54 23061
Raw data (stat): 23061 (pb2sat) R 23060 15547 15546 0 -1 0 267297 0 0 0 11411 589 0 0 25 0 1 0 806580603 771387392 178194 4294967295 134512640 135726644 3221224576 3221222828 135277577 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 188327 178194 300 300 0 188027 0
vsize: 753308
[startup+123.879 s]
Raw data (loadavg): 0.99 0.96 0.91 1/53 23061
Raw data (stat): 23061 (pb2sat) R 23060 15547 15546 0 -1 0 267297 0 0 0 11411 589 0 0 25 0 1 0 806580603 771387392 178194 4294967295 134512640 135726644 3221224576 3221222828 135277577 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 188327 178194 300 300 0 188027 0
vsize: 0

Child status: 1
Real time (s): 123.878
CPU time (s): 123.862
CPU user time (s): 117.61
CPU system time (s): 6.25205
CPU usage (%): 99.9871
Max. virtual memory (Kb): 753308
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####