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/MIPLIB/miplib3/normalized-mps-v2-13-7-air03.opb
MD5SUM69337cf8d2b6f6cf8cc02fedc291ffcc
Bench Categoryoptimization, medium integers (OPTMEDINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 199224
Optimality of the best value was proved NO
Number of terms in the objective function 10757
Biggest coefficient in the objective function 6873
Number of bits for the biggest coefficient in the objective function 13
Sum of the numbers in the objective function 13748961
Number of bits of the sum of numbers in the objective function 24
Biggest number in a constraint 6873
Number of bits of the biggest number in a constraint 13
Biggest sum of numbers in a constraint 13748961
Number of bits of the biggest sum of numbers24
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1189.13
Number of variables10757
Total number of constraints10881
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)10881
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint3861

Trace number 42876 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc2 THE 2005-06-16 17:37:33 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=26097 boxname=wulflinc2 idbench=1397 idsolver=18 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  69337cf8d2b6f6cf8cc02fedc291ffcc  /oldhome/oroussel/tmp/wulflinc2/normalized-mps-v2-13-7-air03.opb
REAL COMMAND:  pb2sat-v2 /oldhome/oroussel/tmp/wulflinc2/normalized-mps-v2-13-7-air03.opb
IDLAUNCH: 26097
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.191
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		: 451.191
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:        623288 kB
Buffers:         23980 kB
Cached:         364648 kB
SwapCached:       1420 kB
Active:          31632 kB
Inactive:       359092 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        623036 kB
SwapTotal:     2097136 kB
SwapFree:      2094720 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5056 kB
Slab:            14960 kB
Committed_AS:    71904 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-16 17:39:26 (client local time) WITH STATUS 1 IN 113.32 SECONDS
stats: 26097 7 113.32 1
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c This solver internally uses Chaff 2004.11.15 Simplified
c running zchaff...
c got solution with objective value: 291404
c big objective detected
c trying from 0 to 511

	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 13558
Raw data (stat): 13558 (runsolver) R 13557 31399 31398 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 972623541 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 s]
Raw data (loadavg): 0.93 0.95 0.90 2/54 13558
Raw data (stat): 13558 (pb2sat-v2) R 13557 31399 31398 0 -1 0 12167 0 0 0 969 29 0 0 25 0 1 0 972623541 40251392 6723 4294967295 134512640 135730672 3221224576 3220930460 134610092 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 9827 6723 301 301 0 9526 0
vsize: 39308
[startup+20.0008 s]
Raw data (loadavg): 0.94 0.96 0.91 2/54 13558
Raw data (stat): 13558 (pb2sat-v2) R 13557 31399 31398 0 -1 0 28645 0 0 0 1931 68 0 0 25 0 1 0 972623541 88432640 17190 4294967295 134512640 135730672 3221224576 3219339888 135284075 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 21590 17190 301 301 0 21289 0
vsize: 86360
[startup+30.0014 s]
Raw data (loadavg): 0.95 0.96 0.91 2/54 13558
Raw data (stat): 13558 (pb2sat-v2) R 13557 31399 31398 0 -1 0 56461 0 0 0 2870 129 0 0 25 0 1 0 972623541 175370240 34024 4294967295 134512640 135730672 3221224576 3217432544 134813883 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 42815 34024 301 301 0 42514 0
vsize: 171260
[startup+40.0021 s]
Raw data (loadavg): 0.95 0.96 0.91 2/54 13558
Raw data (stat): 13558 (pb2sat-v2) R 13557 31399 31398 0 -1 0 82140 0 0 0 3817 182 0 0 25 0 1 0 972623541 239407104 50280 4294967295 134512640 135730672 3221224576 3219585320 135291189 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 58449 50280 301 301 0 58148 0
vsize: 233796
[startup+50.0032 s]
Raw data (loadavg): 0.96 0.96 0.91 2/54 13558
Raw data (stat): 13558 (pb2sat-v2) R 13557 31399 31398 0 -1 0 110472 0 0 0 4754 245 0 0 25 0 1 0 972623541 347082752 66100 4294967295 134512640 135730672 3221224576 3218165540 134549417 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 84737 66100 301 301 0 84436 0
vsize: 338948
[startup+60.0025 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 13558
Raw data (stat): 13558 (pb2sat-v2) R 13557 31399 31398 0 -1 0 149903 0 0 0 5678 321 0 0 25 0 1 0 972623541 476778496 86951 4294967295 134512640 135730672 3221224576 3218365956 135281249 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 116401 86951 301 301 0 116100 0
vsize: 465604
[startup+70.0033 s]
Raw data (loadavg): 0.97 0.96 0.91 2/54 13558
Raw data (stat): 13558 (pb2sat-v2) R 13557 31399 31398 0 -1 0 162538 0 0 0 6647 352 0 0 25 0 1 0 972623541 485171200 99340 4294967295 134512640 135730672 3221224576 3219436952 135285126 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 118450 99340 301 301 0 118149 0
vsize: 473800
[startup+80.0039 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 13558
Raw data (stat): 13558 (pb2sat-v2) R 13557 31399 31398 0 -1 0 199608 0 0 0 7566 434 0 0 25 0 1 0 972623541 594214912 111612 4294967295 134512640 135730672 3221224576 3221057536 134546498 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 145072 111612 301 301 0 144771 0
vsize: 580288
[startup+90.0046 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 13558
Raw data (stat): 13558 (pb2sat-v2) R 13557 31399 31398 0 -1 0 215733 0 0 0 8528 472 0 0 25 0 1 0 972623541 652910592 127524 4294967295 134512640 135730672 3221224576 3219467348 135292595 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 159402 127524 301 301 0 159101 0
vsize: 637608
[startup+100.004 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 13558
Raw data (stat): 13558 (pb2sat-v2) R 13557 31399 31398 0 -1 0 234783 0 0 0 9486 514 0 0 25 0 1 0 972623541 683053056 146325 4294967295 134512640 135730672 3221224576 3219639720 135285418 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 166761 146325 301 301 0 166460 0
vsize: 667044
[startup+110.005 s]
Raw data (loadavg): 0.98 0.96 0.91 2/54 13558
Raw data (stat): 13558 (pb2sat-v2) R 13557 31399 31398 0 -1 0 243223 0 0 0 10454 546 0 0 25 0 1 0 972623541 386785280 94009 4294967295 134512640 135730672 3221224576 3221222764 135281112 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 94430 94009 301 301 0 94129 0
vsize: 377720
[startup+113.32 s]
Raw data (loadavg): 0.98 0.97 0.91 1/53 13558
Raw data (stat): 13558 (pb2sat-v2) R 13557 31399 31398 0 -1 0 243223 0 0 0 10454 546 0 0 25 0 1 0 972623541 386785280 94009 4294967295 134512640 135730672 3221224576 3221222764 135281112 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 94430 94009 301 301 0 94129 0
vsize: 0

Child status: 1
Real time (s): 113.32
CPU time (s): 113.32
CPU user time (s): 107.658
CPU system time (s): 5.66214
CPU usage (%): 100
Max. virtual memory (Kb): 667044
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####