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/ftp.netlib.org/lp/data/normalized-mps-v2-20-10-pilotnov.opb
MD5SUM66be30d4f5bb7b279b4114fb6f1ff9f2
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 1890
Biggest coefficient in the objective function 477815111680000
Number of bits for the biggest coefficient in the objective function 49
Sum of the numbers in the objective function 19701657066014154
Number of bits of the sum of numbers in the objective function 55
Biggest number in a constraint 3141307404910592000000
Number of bits of the biggest number in a constraint 72
Biggest sum of numbers in a constraint 12713246235773393436672
Number of bits of the biggest sum of numbers74
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark1.9697
Number of variables54587
Total number of constraints1287
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 constraints1287
Minimum length of a constraint10
Maximum length of a constraint4520

Trace number 42334 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc6 THE 2005-06-16 05:44:13 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=25552 boxname=wulflinc6 idbench=852 idsolver=18 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  66be30d4f5bb7b279b4114fb6f1ff9f2  /oldhome/oroussel/tmp/wulflinc6/normalized-mps-v2-20-10-pilotnov.opb
REAL COMMAND:  pb2sat-v2 /oldhome/oroussel/tmp/wulflinc6/normalized-mps-v2-20-10-pilotnov.opb
IDLAUNCH: 25552
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.042
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		: 451.042
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:        670728 kB
Buffers:         34256 kB
Cached:         306484 kB
SwapCached:       1028 kB
Active:          54328 kB
Inactive:       288516 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        670476 kB
SwapTotal:     2097136 kB
SwapFree:      2095200 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5088 kB
Slab:            15328 kB
Committed_AS:    63844 kB
PageTables:        320 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-16 05:46:07 (client local time) WITH STATUS 1 IN 113.066 SECONDS
stats: 25552 7 113.066 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): 0.93 0.95 0.92 1/54 14575
Raw data (stat): 14575 (runsolver) D 14574 25568 25567 0 -1 64 8 0 0 0 0 0 0 0 18 0 1 0 968338134 884736 94 4294967295 134512640 135332820 3221224464 3221219644 135092226 0 2147483391 7 90112 3225161850 0 0 17 0 0 0
Raw data (statm): 216 94 205 205 0 11 0
vsize: 864
[startup+9.99984 s]
Raw data (loadavg): 0.94 0.96 0.92 2/54 14575
Raw data (stat): 14575 (pb2sat-v2) R 14574 25568 25567 0 -1 0 28252 0 0 0 942 56 0 0 25 0 1 0 968338134 88211456 17215 4294967295 134512640 135730672 3221224576 3221023800 135285983 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 21536 17215 301 301 0 21235 0
vsize: 86144
[startup+20.0003 s]
Raw data (loadavg): 0.95 0.96 0.92 2/54 14575
Raw data (stat): 14575 (pb2sat-v2) R 14574 25568 25567 0 -1 0 56295 0 0 0 1888 111 0 0 25 0 1 0 968338134 173793280 34039 4294967295 134512640 135730672 3221224576 3221021312 134770759 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 42430 34039 301 301 0 42129 0
vsize: 169720
[startup+30.0001 s]
Raw data (loadavg): 0.95 0.96 0.92 2/54 14575
Raw data (stat): 14575 (pb2sat-v2) R 14574 25568 25567 0 -1 0 95392 0 0 0 2814 184 0 0 25 0 1 0 968338134 294903808 50946 4294967295 134512640 135730672 3221224576 3221020296 135285047 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 71998 50946 301 301 0 71697 0
vsize: 287992
[startup+40.0003 s]
Raw data (loadavg): 0.96 0.96 0.92 2/54 14575
Raw data (stat): 14575 (pb2sat-v2) R 14574 25568 25567 0 -1 0 111342 0 0 0 3785 214 0 0 25 0 1 0 968338134 343744512 66670 4294967295 134512640 135730672 3221224576 3221023584 134786278 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 83922 66670 301 301 0 83621 0
vsize: 335688
[startup+50.0008 s]
Raw data (loadavg): 0.97 0.96 0.92 2/54 14575
Raw data (stat): 14575 (pb2sat-v2) R 14574 25568 25567 0 -1 0 143877 0 0 0 4726 273 0 0 25 0 1 0 968338134 535441408 98464 4294967295 134512640 135730672 3221224576 3221024192 134775362 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 130723 98467 301 301 0 130422 0
vsize: 522892
[startup+60.0006 s]
Raw data (loadavg): 0.97 0.96 0.92 2/54 14575
Raw data (stat): 14575 (pb2sat-v2) R 14574 25568 25567 0 -1 0 189480 0 0 0 5632 368 0 0 25 0 1 0 968338134 588861440 100450 4294967295 134512640 135730672 3221224576 3221022144 134770034 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 143765 100450 301 301 0 143464 0
vsize: 575060
[startup+69.9997 s]
Raw data (loadavg): 0.98 0.96 0.92 2/54 14575
Raw data (stat): 14575 (pb2sat-v2) R 14574 25568 25567 0 -1 0 200448 0 0 0 6609 391 0 0 25 0 1 0 968338134 622415872 111213 4294967295 134512640 135730672 3221224576 3221027808 134546503 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 151957 111213 301 301 0 151656 0
vsize: 607828
[startup+80.0062 s]
Raw data (loadavg): 0.98 0.96 0.92 2/54 14575
Raw data (stat): 14575 (pb2sat-v2) R 14574 25568 25567 0 -1 0 218634 0 0 0 7575 426 0 0 25 0 1 0 968338134 645554176 129167 4294967295 134512640 135730672 3221224576 3221022464 135282716 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 157606 129167 301 301 0 157305 0
vsize: 630424
[startup+90.006 s]
Raw data (loadavg): 0.98 0.96 0.92 2/54 14575
Raw data (stat): 14575 (pb2sat-v2) R 14574 25568 25567 0 -1 0 237944 0 0 0 8538 463 0 0 25 0 1 0 968338134 674623488 148249 4294967295 134512640 135730672 3221224576 3221023244 134637875 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 164703 148250 301 301 0 164402 0
vsize: 658812
[startup+100.005 s]
Raw data (loadavg): 0.98 0.96 0.92 2/54 14575
Raw data (stat): 14575 (pb2sat-v2) R 14574 25568 25567 0 -1 0 253189 0 0 0 9511 491 0 0 25 0 1 0 968338134 747675648 163314 4294967295 134512640 135730672 3221224576 3221024048 134786278 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 182538 163316 301 301 0 182237 0
vsize: 730152
[startup+110.006 s]
Raw data (loadavg): 0.99 0.97 0.92 2/54 14575
Raw data (stat): 14575 (pb2sat-v2) R 14574 25568 25567 0 -1 0 258490 0 0 0 10484 516 0 0 25 0 1 0 968338134 395825152 96025 4294967295 134512640 135730672 3221224576 3221222764 135281209 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 96637 96025 301 301 0 96336 0
vsize: 386548
[startup+113.06 s]
Raw data (loadavg): 0.99 0.97 0.92 1/53 14575
Raw data (stat): 14575 (pb2sat-v2) R 14574 25568 25567 0 -1 0 258490 0 0 0 10484 516 0 0 25 0 1 0 968338134 395825152 96025 4294967295 134512640 135730672 3221224576 3221222764 135281209 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 96637 96025 301 301 0 96336 0
vsize: 0

Child status: 1
Real time (s): 113.059
CPU time (s): 113.066
CPU user time (s): 107.692
CPU system time (s): 5.37418
CPU usage (%): 100.006
Max. virtual memory (Kb): 730152
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####