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/miplib/normalized-mps-v2-20-10-mod010.opb
MD5SUM4f0cac14ed3568050c2c57bb69fdb664
Bench Categoryoptimization, small integers (OPTSMALLINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 6571
Optimality of the best value was proved NO
Number of terms in the objective function 2655
Biggest coefficient in the objective function 266
Number of bits for the biggest coefficient in the objective function 9
Sum of the numbers in the objective function 489211
Number of bits of the sum of numbers in the objective function 19
Biggest number in a constraint 266
Number of bits of the biggest number in a constraint 9
Biggest sum of numbers in a constraint 489211
Number of bits of the biggest sum of numbers19
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1175.14
Number of variables2655
Total number of constraints2801
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)2800
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint1
Maximum length of a constraint2655

Trace number 35154 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc10 THE 2005-05-28 12:19:38 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24455 boxname=wulflinc10 idbench=927 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  4f0cac14ed3568050c2c57bb69fdb664  /oldhome/oroussel/tmp/wulflinc10/normalized-mps-v2-20-10-mod010.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc10/normalized-mps-v2-20-10-mod010.opb
IDLAUNCH: 24455
/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:        823520 kB
Buffers:         35020 kB
Cached:         154752 kB
SwapCached:         84 kB
Active:          74636 kB
Inactive:       117816 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        823268 kB
SwapTotal:     2097136 kB
SwapFree:      2096728 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5880 kB
Slab:            13044 kB
Committed_AS:    63600 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-05-28 12:21:23 (client local time) WITH STATUS 1 IN 104.394 SECONDS
stats: 24455 7 104.394 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): 0.91 0.95 0.90 2/54 22782
Raw data (stat): 22782 (runsolver) R 22781 15547 15546 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 806543553 884736 94 4294967295 134512640 135332820 3221224464 3221219644 135092226 0 0 7 90112 0 0 0 17 1 0 0
Raw data (statm): 216 94 205 205 0 11 0
vsize: 864
[startup+10.0006 s]
Raw data (loadavg): 0.92 0.95 0.91 2/54 22782
Raw data (stat): 22782 (pb2sat) R 22781 15547 15546 0 -1 0 29761 0 0 0 938 61 0 0 25 0 1 0 806543553 91860992 18607 4294967295 134512640 135726644 3221224576 3221106204 134634295 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 22427 18607 300 300 0 22127 0
vsize: 89708
[startup+20.0015 s]
Raw data (loadavg): 0.94 0.95 0.91 2/54 22782
Raw data (stat): 22782 (pb2sat) R 22781 15547 15546 0 -1 0 59073 0 0 0 1872 126 0 0 25 0 1 0 806543553 179576832 36687 4294967295 134512640 135726644 3221224576 3220955432 135282351 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 43842 36687 300 300 0 43542 0
vsize: 175368
[startup+30.002 s]
Raw data (loadavg): 0.94 0.95 0.91 2/54 22782
Raw data (stat): 22782 (pb2sat) R 22781 15547 15546 0 -1 0 97498 0 0 0 2790 208 0 0 25 0 1 0 806543553 295501824 52912 4294967295 134512640 135726644 3221224576 3220598828 135298005 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 72144 52912 300 300 0 71844 0
vsize: 288576
[startup+40.0019 s]
Raw data (loadavg): 0.95 0.95 0.91 2/54 22782
Raw data (stat): 22782 (pb2sat) R 22781 15547 15546 0 -1 0 115922 0 0 0 3749 250 0 0 25 0 1 0 806543553 351629312 71098 4294967295 134512640 135726644 3221224576 3220183864 135282351 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 85847 71099 300 300 0 85547 0
vsize: 343388
[startup+50.0026 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 22782
Raw data (stat): 22782 (pb2sat) R 22781 15547 15546 0 -1 0 158207 0 0 0 4673 326 0 0 25 0 1 0 806543553 556957696 112209 4294967295 134512640 135726644 3221224576 3220433312 135280446 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 135976 112209 300 300 0 135676 0
vsize: 543904
[startup+60.0017 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 22782
Raw data (stat): 22782 (pb2sat) R 22781 15547 15546 0 -1 0 193729 0 0 0 5589 410 0 0 25 0 1 0 806543553 590508032 104542 4294967295 134512640 135726644 3221224576 3220979664 134767123 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 144167 104542 300 300 0 143867 0
vsize: 576668
[startup+70.0027 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 22782
Raw data (stat): 22782 (pb2sat) R 22781 15547 15546 0 -1 0 206366 0 0 0 6561 438 0 0 25 0 1 0 806543553 627036160 116967 4294967295 134512640 135726644 3221224576 3220695336 135282351 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 153085 116968 300 300 0 152785 0
vsize: 612340
[startup+80.0028 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 22782
Raw data (stat): 22782 (pb2sat) R 22781 15547 15546 0 -1 0 227228 0 0 0 7517 483 0 0 25 0 1 0 806543553 657989632 137594 4294967295 134512640 135726644 3221224576 3220802468 135289340 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 160642 137594 300 300 0 160342 0
vsize: 642568
[startup+90.0024 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 22782
Raw data (stat): 22782 (pb2sat) R 22781 15547 15546 0 -1 0 247967 0 0 0 8473 527 0 0 25 0 1 0 806543553 688537600 158097 4294967295 134512640 135726644 3221224576 3220266552 134784091 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 168100 158097 300 300 0 167800 0
vsize: 672400
[startup+100.003 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 22782
Raw data (stat): 22782 (pb2sat) R 22781 15547 15546 0 -1 0 262379 0 0 0 9444 556 0 0 25 0 1 0 806543553 761004032 172346 4294967295 134512640 135726644 3221224576 3221222560 135280446 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 185792 172346 300 300 0 185492 0
vsize: 743168
[startup+104.397 s]
Raw data (loadavg): 0.98 0.96 0.91 1/53 22782
Raw data (stat): 22782 (pb2sat) R 22781 15547 15546 0 -1 0 262379 0 0 0 9444 556 0 0 25 0 1 0 806543553 761004032 172346 4294967295 134512640 135726644 3221224576 3221222560 135280446 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 185792 172346 300 300 0 185492 0
vsize: 0

Child status: 1
Real time (s): 104.396
CPU time (s): 104.394
CPU user time (s): 98.474
CPU system time (s): 5.9201
CPU usage (%): 99.998
Max. virtual memory (Kb): 743168
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####