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/miplib3/normalized-mps-v2-20-10-mas76.opb
MD5SUM4a13dc0bd882da2f4fbd9bf80867a673
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 2147483647
Optimality of the best value was proved NO
Number of terms in the objective function 240
Biggest coefficient in the objective function 1934281311383406679529881600000
Number of bits for the biggest coefficient in the objective function 101
Sum of the numbers in the objective function 3868562622766813359059763200000
Number of bits of the sum of numbers in the objective function 102
Biggest number in a constraint 1208925819614629174706176000000000
Number of bits of the biggest number in a constraint 110
Biggest sum of numbers in a constraint 2417851639229258349412352000000000
Number of bits of the biggest sum of numbers111
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1230.31
Number of variables240
Total number of constraints163
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)151
Number of constraints which are nor clauses,nor cardinality constraints12
Minimum length of a constraint1
Maximum length of a constraint239

Trace number 42523 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc5 THE 2005-06-16 09:55:05 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=25743 boxname=wulflinc5 idbench=1043 idsolver=18 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  4a13dc0bd882da2f4fbd9bf80867a673  /oldhome/oroussel/tmp/wulflinc5/normalized-mps-v2-20-10-mas76.opb
REAL COMMAND:  pb2sat-v2 /oldhome/oroussel/tmp/wulflinc5/normalized-mps-v2-20-10-mas76.opb
IDLAUNCH: 25743
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.007
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		: 451.007
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:        777064 kB
Buffers:         27684 kB
Cached:         206908 kB
SwapCached:        688 kB
Active:          27648 kB
Inactive:       209112 kB
HighTotal:      131008 kB
HighFree:        47236 kB
LowTotal:       903652 kB
LowFree:        729828 kB
SwapTotal:     2097136 kB
SwapFree:      2095520 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5156 kB
Slab:            15136 kB
Committed_AS:    63712 kB
PageTables:        316 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-16 09:56:57 (client local time) WITH STATUS 1 IN 111.652 SECONDS
stats: 25743 7 111.652 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): 0.84 0.94 0.90 1/54 11954
Raw data (stat): 11954 (runsolver) R 11953 7266 7265 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 969844478 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+10.0002 s]
Raw data (loadavg): 0.87 0.94 0.90 2/54 11954
Raw data (stat): 11954 (pb2sat-v2) R 11953 7266 7265 0 -1 0 27672 0 0 0 937 61 0 0 25 0 1 0 969844478 87552000 16540 4294967295 134512640 135730672 3221224576 3221134824 135284287 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 21375 16540 301 301 0 21074 0
vsize: 85500
[startup+20.0001 s]
Raw data (loadavg): 0.89 0.94 0.90 2/54 11954
Raw data (stat): 11954 (pb2sat-v2) R 11953 7266 7265 0 -1 0 54557 0 0 0 1881 116 0 0 25 0 1 0 969844478 172363776 32212 4294967295 134512640 135730672 3221224576 3221130464 135284078 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 42081 32213 301 301 0 41780 0
vsize: 168324
[startup+30.0009 s]
Raw data (loadavg): 0.90 0.94 0.90 2/54 11954
Raw data (stat): 11954 (pb2sat-v2) R 11953 7266 7265 0 -1 0 81401 0 0 0 2835 163 0 0 25 0 1 0 969844478 242790400 49142 4294967295 134512640 135730672 3221224576 3221130008 134787727 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 59275 49142 301 301 0 58974 0
vsize: 237100
[startup+40.0007 s]
Raw data (loadavg): 0.92 0.94 0.90 2/54 11954
Raw data (stat): 11954 (pb2sat-v2) R 11953 7266 7265 0 -1 0 107498 0 0 0 3781 217 0 0 25 0 1 0 969844478 340598784 62747 4294967295 134512640 135730672 3221224576 3221129080 134787727 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 83154 62747 301 301 0 82853 0
vsize: 332616
[startup+50.0014 s]
Raw data (loadavg): 0.93 0.94 0.90 2/54 11954
Raw data (stat): 11954 (pb2sat-v2) R 11953 7266 7265 0 -1 0 132217 0 0 0 4738 260 0 0 25 0 1 0 969844478 522096640 87029 4294967295 134512640 135730672 3221224576 3221126568 135285983 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 127498 87032 301 301 0 127197 0
vsize: 509860
[startup+60.0021 s]
Raw data (loadavg): 0.94 0.95 0.90 2/54 11954
Raw data (stat): 11954 (pb2sat-v2) R 11953 7266 7265 0 -1 0 161413 0 0 0 5682 316 0 0 25 0 1 0 969844478 482369536 96576 4294967295 134512640 135730672 3221224576 3221136856 134607985 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 117766 96576 301 301 0 117465 0
vsize: 471064
[startup+70.0016 s]
Raw data (loadavg): 0.95 0.95 0.91 2/54 11954
Raw data (stat): 11954 (pb2sat-v2) R 11953 7266 7265 0 -1 0 196153 0 0 0 6614 385 0 0 25 0 1 0 969844478 583032832 106535 4294967295 134512640 135730672 3221224576 3221131276 134608033 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 142342 106535 301 301 0 142041 0
vsize: 569368
[startup+80.0026 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 11954
Raw data (stat): 11954 (pb2sat-v2) R 11953 7266 7265 0 -1 0 212055 0 0 0 7583 416 0 0 25 0 1 0 969844478 639565824 122231 4294967295 134512640 135730672 3221224576 3221126600 135285983 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 156144 122232 301 301 0 155843 0
vsize: 624576
[startup+90.0024 s]
Raw data (loadavg): 0.96 0.95 0.91 2/54 11954
Raw data (stat): 11954 (pb2sat-v2) R 11953 7266 7265 0 -1 0 230559 0 0 0 8547 452 0 0 25 0 1 0 969844478 667275264 140506 4294967295 134512640 135730672 3221224576 3221133584 134786302 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 162909 140506 301 301 0 162608 0
vsize: 651636
[startup+100.003 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 11954
Raw data (stat): 11954 (pb2sat-v2) R 11953 7266 7265 0 -1 0 249051 0 0 0 9513 486 0 0 25 0 1 0 969844478 696446976 158769 4294967295 134512640 135730672 3221224576 3221132668 134608033 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 170031 158769 301 301 0 169730 0
vsize: 680124
[startup+110.004 s]
Raw data (loadavg): 0.97 0.95 0.91 2/54 11954
Raw data (stat): 11954 (pb2sat-v2) R 11953 7266 7265 0 -1 0 250902 0 0 0 10496 503 0 0 25 0 1 0 969844478 387411968 94082 4294967295 134512640 135730672 3221224576 3221222976 134782612 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 94583 94082 301 301 0 94282 0
vsize: 378332
[startup+111.656 s]
Raw data (loadavg): 0.97 0.95 0.91 1/53 11954
Raw data (stat): 11954 (pb2sat-v2) R 11953 7266 7265 0 -1 0 250902 0 0 0 10496 503 0 0 25 0 1 0 969844478 387411968 94082 4294967295 134512640 135730672 3221224576 3221222976 134782612 0 0 7 16384 0 0 0 17 0 0 0
Raw data (statm): 94583 94082 301 301 0 94282 0
vsize: 0

Child status: 1
Real time (s): 111.656
CPU time (s): 111.652
CPU user time (s): 106.42
CPU system time (s): 5.2322
CPU usage (%): 99.9968
Max. virtual memory (Kb): 680124
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####