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-modszk1.opb
MD5SUM8c5b51cec097a5e50c215bdca7303ec1
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 19800
Biggest coefficient in the objective function 192752910336000
Number of bits for the biggest coefficient in the objective function 48
Sum of the numbers in the objective function 14213274217312500
Number of bits of the sum of numbers in the objective function 54
Biggest number in a constraint 192752910336000
Number of bits of the biggest number in a constraint 48
Biggest sum of numbers in a constraint 14213274217312500
Number of bits of the biggest sum of numbers54
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.274957
Number of variables32402
Total number of constraints686
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 constraints686
Minimum length of a constraint20
Maximum length of a constraint400

Trace number 35455 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc28 THE 2005-05-28 13:15:02 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24759 boxname=wulflinc28 idbench=1231 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  8c5b51cec097a5e50c215bdca7303ec1  /oldhome/oroussel/tmp/wulflinc28/normalized-mps-v2-13-7-modszk1.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc28/normalized-mps-v2-13-7-modszk1.opb
IDLAUNCH: 24759
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.077
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		: 451.077
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:        703536 kB
Buffers:         40452 kB
Cached:         248992 kB
SwapCached:        780 kB
Active:          28416 kB
Inactive:       281148 kB
HighTotal:      131008 kB
HighFree:         3612 kB
LowTotal:       903652 kB
LowFree:        699924 kB
SwapTotal:     2097640 kB
SwapFree:      2096164 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5460 kB
Slab:            15792 kB
Committed_AS:    63604 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-28 13:16:55 (client local time) WITH STATUS 1 IN 112.83 SECONDS
stats: 24759 7 112.83 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): 0.83 0.92 0.90 2/54 7221
Raw data (stat): 7221 (runsolver) R 7220 24821 24820 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 865090083 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+9.99995 s]
Raw data (loadavg): 0.86 0.92 0.90 2/54 7221
Raw data (stat): 7221 (pb2sat) R 7220 24821 24820 0 -1 0 11797 0 0 0 974 25 0 0 25 0 1 0 865090083 39673856 7842 4294967295 134512640 135726644 3221224576 3213284528 134554559 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 9686 7842 300 300 0 9386 0
vsize: 38744
[startup+20.0102 s]
Raw data (loadavg): 0.88 0.92 0.90 2/54 7221
Raw data (stat): 7221 (pb2sat) R 7220 24821 24820 0 -1 0 42200 0 0 0 1913 87 0 0 25 0 1 0 865090083 131436544 26106 4294967295 134512640 135726644 3221224576 3213292620 134604488 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 32089 26106 300 300 0 31789 0
vsize: 128356
[startup+30.0174 s]
Raw data (loadavg): 0.90 0.92 0.90 2/54 7221
Raw data (stat): 7221 (pb2sat) R 7220 24821 24820 0 -1 0 77609 0 0 0 2842 158 0 0 25 0 1 0 865090083 249774080 45949 4294967295 134512640 135726644 3221224576 3213289748 135277627 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 60980 45949 300 300 0 60680 0
vsize: 243920
[startup+40.018 s]
Raw data (loadavg): 0.91 0.92 0.90 2/54 7221
Raw data (stat): 7221 (pb2sat) R 7220 24821 24820 0 -1 0 104373 0 0 0 3790 211 0 0 25 0 1 0 865090083 310042624 59676 4294967295 134512640 135726644 3221224576 3213286558 134773955 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 75694 59676 300 300 0 75394 0
vsize: 302776
[startup+50.0192 s]
Raw data (loadavg): 0.92 0.93 0.90 2/54 7221
Raw data (stat): 7221 (pb2sat) R 7220 24821 24820 0 -1 0 123775 0 0 0 4754 247 0 0 25 0 1 0 865090083 373952512 78843 4294967295 134512640 135726644 3221224576 3213289728 134554691 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 91297 78843 300 300 0 90997 0
vsize: 365188
[startup+60.0183 s]
Raw data (loadavg): 0.94 0.93 0.90 2/54 7221
Raw data (stat): 7221 (pb2sat) R 7220 24821 24820 0 -1 0 160951 0 0 0 5685 316 0 0 25 0 1 0 865090083 494542848 96251 4294967295 134512640 135726644 3221224576 3213289292 134604443 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 120738 96251 300 300 0 120438 0
vsize: 482952
[startup+70.019 s]
Raw data (loadavg): 0.95 0.93 0.91 2/54 7221
Raw data (stat): 7221 (pb2sat) R 7220 24821 24820 0 -1 0 196704 0 0 0 6605 396 0 0 25 0 1 0 865090083 595206144 107210 4294967295 134512640 135726644 3221224576 3213299824 134604379 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 145314 107210 300 300 0 145014 0
vsize: 581256
[startup+80.0201 s]
Raw data (loadavg): 0.95 0.93 0.91 2/54 7221
Raw data (stat): 7221 (pb2sat) R 7220 24821 24820 0 -1 0 212326 0 0 0 7575 426 0 0 25 0 1 0 865090083 648495104 122628 4294967295 134512640 135726644 3221224576 3213290528 134554559 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 158324 122628 300 300 0 158024 0
vsize: 633296
[startup+90.0204 s]
Raw data (loadavg): 0.96 0.93 0.91 2/54 7221
Raw data (stat): 7221 (pb2sat) R 7220 24821 24820 0 -1 0 232899 0 0 0 8533 468 0 0 25 0 1 0 865090083 681443328 142952 4294967295 134512640 135726644 3221224576 3213296592 134784442 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 166368 142952 300 300 0 166068 0
vsize: 665472
[startup+100.02 s]
Raw data (loadavg): 0.97 0.94 0.91 2/54 7221
Raw data (stat): 7221 (pb2sat) R 7220 24821 24820 0 -1 0 253585 0 0 0 9494 507 0 0 25 0 1 0 865090083 713035776 163384 4294967295 134512640 135726644 3221224576 3213292632 135282351 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 174081 163384 300 300 0 173781 0
vsize: 696324
[startup+110.02 s]
Raw data (loadavg): 0.97 0.94 0.91 2/54 7221
Raw data (stat): 7221 (pb2sat) R 7220 24821 24820 0 -1 0 254478 0 0 0 10479 522 0 0 25 0 1 0 865090083 404209664 97909 4294967295 134512640 135726644 3221224576 3221222764 135277538 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 98684 97909 300 300 0 98384 0
vsize: 394736
[startup+112.83 s]
Raw data (loadavg): 0.97 0.94 0.91 1/53 7221
Raw data (stat): 7221 (pb2sat) R 7220 24821 24820 0 -1 0 254478 0 0 0 10479 522 0 0 25 0 1 0 865090083 404209664 97909 4294967295 134512640 135726644 3221224576 3221222764 135277538 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 98684 97909 300 300 0 98384 0
vsize: 0

Child status: 1
Real time (s): 112.829
CPU time (s): 112.83
CPU user time (s): 107.393
CPU system time (s): 5.43717
CPU usage (%): 100.001
Max. virtual memory (Kb): 696324
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####