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-pilot.we.opb
MD5SUM21cca5e58499fc8c195476eedca15203
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 2760
Biggest coefficient in the objective function 114621939712000000000
Number of bits for the biggest coefficient in the objective function 67
Sum of the numbers in the objective function 6133849937192095318016
Number of bits of the sum of numbers in the objective function 73
Biggest number in a constraint 114621939712000000000
Number of bits of the biggest number in a constraint 67
Biggest sum of numbers in a constraint 6133849937192095318016
Number of bits of the biggest sum of numbers73
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.707892
Number of variables77678
Total number of constraints1016
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 constraints1016
Minimum length of a constraint10
Maximum length of a constraint2430

Trace number 42337 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc3 THE 2005-06-16 05:46:07 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=25555 boxname=wulflinc3 idbench=855 idsolver=18 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  21cca5e58499fc8c195476eedca15203  /oldhome/oroussel/tmp/wulflinc3/normalized-mps-v2-20-10-pilot.we.opb
REAL COMMAND:  pb2sat-v2 /oldhome/oroussel/tmp/wulflinc3/normalized-mps-v2-20-10-pilot.we.opb
IDLAUNCH: 25555
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.190
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		: 451.190
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:        749112 kB
Buffers:         34308 kB
Cached:         228644 kB
SwapCached:        820 kB
Active:          35348 kB
Inactive:       229784 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        748860 kB
SwapTotal:     2097136 kB
SwapFree:      2095340 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5104 kB
Slab:            14608 kB
Committed_AS:    71904 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-16 05:47:46 (client local time) WITH STATUS 1 IN 99.3889 SECONDS
stats: 25555 7 99.3889 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): 0.90 0.94 0.91 2/54 17015
Raw data (stat): 17015 (runsolver) R 17014 20224 20223 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 968341252 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+10.001 s]
Raw data (loadavg): 0.92 0.94 0.91 2/54 17015
Raw data (stat): 17015 (pb2sat-v2) R 17014 20224 20223 0 -1 0 27979 0 0 0 943 56 0 0 25 0 1 0 968341252 88891392 16927 4294967295 134512640 135730672 3221224576 3221141520 134546483 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 21702 16927 301 301 0 21401 0
vsize: 86808
[startup+20.0039 s]
Raw data (loadavg): 0.93 0.95 0.91 2/54 17015
Raw data (stat): 17015 (pb2sat-v2) R 17014 20224 20223 0 -1 0 57004 0 0 0 1888 111 0 0 25 0 1 0 968341252 176877568 34460 4294967295 134512640 135730672 3221224576 3221142512 134611000 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 43183 34460 301 301 0 42882 0
vsize: 172732
[startup+30.0046 s]
Raw data (loadavg): 0.94 0.95 0.91 2/54 17015
Raw data (stat): 17015 (pb2sat-v2) R 17014 20224 20223 0 -1 0 83538 0 0 0 2841 158 0 0 25 0 1 0 968341252 240336896 50834 4294967295 134512640 135730672 3221224576 3221141912 135292723 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 58676 50836 301 301 0 58375 0
vsize: 234704
[startup+40.0064 s]
Raw data (loadavg): 0.95 0.95 0.91 2/54 17015
Raw data (stat): 17015 (pb2sat-v2) R 17014 20224 20223 0 -1 0 113661 0 0 0 3778 222 0 0 25 0 1 0 968341252 351391744 68432 4294967295 134512640 135730672 3221224576 3221141948 134608033 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 85789 68432 301 301 0 85488 0
vsize: 343156
[startup+50.0062 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 17015
Raw data (stat): 17015 (pb2sat-v2) R 17014 20224 20223 0 -1 0 152501 0 0 0 4706 295 0 0 25 0 1 0 968341252 471470080 86360 4294967295 134512640 135730672 3221224576 3221140944 134770057 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 115105 86360 301 301 0 114804 0
vsize: 460420
[startup+60.006 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 17015
Raw data (stat): 17015 (pb2sat-v2) R 17014 20224 20223 0 -1 0 166330 0 0 0 5677 323 0 0 25 0 1 0 968341252 476200960 99925 4294967295 134512640 135730672 3221224576 3221142784 135104813 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 116260 99925 301 301 0 115959 0
vsize: 465040
[startup+70.0059 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 17015
Raw data (stat): 17015 (pb2sat-v2) R 17014 20224 20223 0 -1 0 208307 0 0 0 6594 406 0 0 25 0 1 0 968341252 603492352 117096 4294967295 134512640 135730672 3221224576 3221144768 134546483 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 147337 117096 301 301 0 147036 0
vsize: 589348
[startup+80.0075 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 17015
Raw data (stat): 17015 (pb2sat-v2) R 17014 20224 20223 0 -1 0 225624 0 0 0 7562 438 0 0 25 0 1 0 968341252 663539712 134183 4294967295 134512640 135730672 3221224576 3221141912 135285983 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 161997 134183 301 301 0 161696 0
vsize: 647988
[startup+90.0077 s]
Raw data (loadavg): 0.98 0.95 0.91 2/54 17015
Raw data (stat): 17015 (pb2sat-v2) R 17014 20224 20223 0 -1 0 244521 0 0 0 8524 477 0 0 25 0 1 0 968341252 695230464 152830 4294967295 134512640 135730672 3221224576 3221222548 135282196 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 169734 152830 301 301 0 169433 0
vsize: 678936
[startup+99.379 s]
Raw data (loadavg): 0.98 0.95 0.91 1/53 17015
Raw data (stat): 17015 (pb2sat-v2) R 17014 20224 20223 0 -1 0 244521 0 0 0 8524 477 0 0 25 0 1 0 968341252 695230464 152830 4294967295 134512640 135730672 3221224576 3221222548 135282196 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 169734 152830 301 301 0 169433 0
vsize: 0

Child status: 1
Real time (s): 99.3787
CPU time (s): 99.3889
CPU user time (s): 94.2957
CPU system time (s): 5.09323
CPU usage (%): 100.01
Max. virtual memory (Kb): 678936
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####