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-net12.opb
MD5SUMa4be7674b1644074aec8018258f898aa
Bench Categoryoptimization, small integers (OPTSMALLINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 214
Optimality of the best value was proved NO
Number of terms in the objective function 39
Biggest coefficient in the objective function 20
Number of bits for the biggest coefficient in the objective function 5
Sum of the numbers in the objective function 337
Number of bits of the sum of numbers in the objective function 9
Biggest number in a constraint 12288
Number of bits of the biggest number in a constraint 14
Biggest sum of numbers in a constraint 137193
Number of bits of the biggest sum of numbers18
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark259.973
Number of variables147395
Total number of constraints28136
Number of constraints which are clauses12
Number of constraints which are cardinality constraints (but not clauses)1994
Number of constraints which are nor clauses,nor cardinality constraints26130
Minimum length of a constraint1
Maximum length of a constraint292

Trace number 35208 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc17 THE 2005-05-28 12:26:32 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=24515 boxname=wulflinc17 idbench=987 idsolver=17 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  a4be7674b1644074aec8018258f898aa  /oldhome/oroussel/tmp/wulflinc17/normalized-mps-v2-20-10-net12.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc17/normalized-mps-v2-20-10-net12.opb
IDLAUNCH: 24515
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.072
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		: 451.072
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:        689676 kB
Buffers:         34852 kB
Cached:         278136 kB
SwapCached:        628 kB
Active:          28648 kB
Inactive:       286408 kB
HighTotal:      131008 kB
HighFree:        22456 kB
LowTotal:       903652 kB
LowFree:        667220 kB
SwapTotal:     2097892 kB
SwapFree:      2096376 kB
Dirty:              24 kB
Writeback:           0 kB
Mapped:           5144 kB
Slab:            24060 kB
Committed_AS:    63604 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-05-28 12:28:10 (client local time) WITH STATUS 1 IN 96.9713 SECONDS
stats: 24515 7 96.9713 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 20558
Raw data (stat): 20558 (runsolver) R 20557 7475 7474 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 864805124 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+10.0005 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 20558
Raw data (stat): 20558 (pb2sat) R 20557 7475 7474 0 -1 0 18134 0 0 0 956 42 0 0 25 0 1 0 864805124 54894592 10326 4294967295 134512640 135726644 3221224576 3221221776 134576121 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 13402 10326 300 300 0 13102 0
vsize: 53608
[startup+20.0081 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 20558
Raw data (stat): 20558 (pb2sat) R 20557 7475 7474 0 -1 0 36239 0 0 0 1913 85 0 0 25 0 1 0 864805124 114069504 20584 4294967295 134512640 135726644 3221224576 3221164492 135287540 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 27849 20584 300 300 0 27549 0
vsize: 111396
[startup+30.0075 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 20558
Raw data (stat): 20558 (pb2sat) R 20557 7475 7474 0 -1 0 70677 0 0 0 2840 158 0 0 25 0 1 0 864805124 222212096 39449 4294967295 134512640 135726644 3221224576 3221209096 134784091 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 54251 39449 300 300 0 53951 0
vsize: 217004
[startup+40.0081 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 20558
Raw data (stat): 20558 (pb2sat) R 20557 7475 7474 0 -1 0 97656 0 0 0 3777 220 0 0 25 0 1 0 864805124 307585024 53880 4294967295 134512640 135726644 3221224576 3221111612 135287432 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 75094 53882 300 300 0 74794 0
vsize: 300376
[startup+50.0138 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 20558
Raw data (stat): 20558 (pb2sat) R 20557 7475 7474 0 -1 0 141748 0 0 0 4691 307 0 0 25 0 1 0 864805124 507912192 96739 4294967295 134512640 135726644 3221224576 3221120160 135279105 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 124002 96739 300 300 0 123702 0
vsize: 496008
[startup+60.0146 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 20558
Raw data (stat): 20558 (pb2sat) R 20557 7475 7474 0 -1 0 178144 0 0 0 5611 387 0 0 25 0 1 0 864805124 537268224 90935 4294967295 134512640 135726644 3221224576 3221221628 134603584 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 131169 90935 300 300 0 130869 0
vsize: 524676
[startup+70.0139 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 20558
Raw data (stat): 20558 (pb2sat) R 20557 7475 7474 0 -1 0 192616 0 0 0 6574 425 0 0 25 0 1 0 864805124 570822656 105146 4294967295 134512640 135726644 3221224576 3221145956 135280408 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 139361 105146 300 300 0 139061 0
vsize: 557444
[startup+80.0165 s]
Raw data (loadavg): 0.99 0.95 0.91 2/54 20558
Raw data (stat): 20558 (pb2sat) R 20557 7475 7474 0 -1 0 211665 0 0 0 7529 469 0 0 25 0 1 0 864805124 581095424 123896 4294967295 134512640 135726644 3221224576 3221127632 135278582 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 141869 123896 300 300 0 141569 0
vsize: 567476
[startup+90.0164 s]
Raw data (loadavg): 0.99 0.95 0.91 2/54 20558
Raw data (stat): 20558 (pb2sat) R 20557 7475 7474 0 -1 0 228754 0 0 0 8486 513 0 0 25 0 1 0 864805124 647106560 140745 4294967295 134512640 135726644 3221224576 3221145408 134767123 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 157985 140746 300 300 0 157685 0
vsize: 631940
[startup+97.0095 s]
Raw data (loadavg): 0.99 0.96 0.91 1/53 20558
Raw data (stat): 20558 (pb2sat) R 20557 7475 7474 0 -1 0 228754 0 0 0 8486 513 0 0 25 0 1 0 864805124 647106560 140745 4294967295 134512640 135726644 3221224576 3221145408 134767123 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 157985 140746 300 300 0 157685 0
vsize: 0

Child status: 1
Real time (s): 97.0091
CPU time (s): 96.9713
CPU user time (s): 91.3721
CPU system time (s): 5.59915
CPU usage (%): 99.961
Max. virtual memory (Kb): 631940
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####