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-fit1p.opb
MD5SUM0417a8bac185d4a033d4915882b274ef
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 30780
Biggest coefficient in the objective function 1610612736
Number of bits for the biggest coefficient in the objective function 31
Sum of the numbers in the objective function 1591285381686
Number of bits of the sum of numbers in the objective function 41
Biggest number in a constraint 59431609958400
Number of bits of the biggest number in a constraint 46
Biggest sum of numbers in a constraint 209844586667159
Number of bits of the biggest sum of numbers48
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.394938
Number of variables45485
Total number of constraints1026
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 constraints1026
Minimum length of a constraint17
Maximum length of a constraint619

Trace number 42313 

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc1 THE 2005-06-16 05:28:13 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=25531 boxname=wulflinc1 idbench=831 idsolver=18 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  0417a8bac185d4a033d4915882b274ef  /oldhome/oroussel/tmp/wulflinc1/normalized-mps-v2-20-10-fit1p.opb
REAL COMMAND:  pb2sat-v2 /oldhome/oroussel/tmp/wulflinc1/normalized-mps-v2-20-10-fit1p.opb
IDLAUNCH: 25531
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.053
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		: 451.053
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:        723048 kB
Buffers:         34744 kB
Cached:         252248 kB
SwapCached:       1192 kB
Active:          84560 kB
Inactive:       204772 kB
HighTotal:      131008 kB
HighFree:          252 kB
LowTotal:       903652 kB
LowFree:        722796 kB
SwapTotal:     2097136 kB
SwapFree:      2094880 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5364 kB
Slab:            16576 kB
Committed_AS:    92716 kB
PageTables:        332 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-06-16 05:30:25 (client local time) WITH STATUS 1 IN 131.785 SECONDS
stats: 25531 7 131.785 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): 1.13 1.00 0.92 2/55 13844
Raw data (stat): 13844 (runsolver) R 13843 8378 8377 0 -1 64 8 0 0 0 0 0 0 0 19 0 1 0 911385879 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+9.99963 s]
Raw data (loadavg): 1.11 1.00 0.92 2/55 13844
Raw data (stat): 13844 (pb2sat-v2) R 13843 8378 8377 0 -1 0 2230 0 0 0 994 5 0 0 25 0 1 0 911385879 8093696 1553 4294967295 134512640 135730672 3221224576 3221221664 134561667 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 1976 1553 301 301 0 1675 0
vsize: 7904
[startup+20.0005 s]
Raw data (loadavg): 1.09 1.00 0.92 2/55 13844
Raw data (stat): 13844 (pb2sat-v2) R 13843 8378 8377 0 -1 0 4094 0 0 0 1989 10 0 0 25 0 1 0 911385879 14241792 2824 4294967295 134512640 135730672 3221224576 3221221856 134513282 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 3477 2824 301 301 0 3176 0
vsize: 13908
[startup+30.0002 s]
Raw data (loadavg): 1.08 1.00 0.92 2/55 13844
Raw data (stat): 13844 (pb2sat-v2) R 13843 8378 8377 0 -1 0 34284 0 0 0 2929 70 0 0 25 0 1 0 911385879 135426048 23205 4294967295 134512640 135730672 3221224576 3221029280 134775479 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 33063 23205 301 301 0 32762 0
vsize: 132252
[startup+40.006 s]
Raw data (loadavg): 1.06 1.00 0.92 2/55 13844
Raw data (stat): 13844 (pb2sat-v2) R 13843 8378 8377 0 -1 0 60845 0 0 0 3879 121 0 0 25 0 1 0 911385879 183025664 38629 4294967295 134512640 135730672 3221224576 3221025516 135284213 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 44684 38629 301 301 0 44383 0
vsize: 178736
[startup+50.0128 s]
Raw data (loadavg): 1.05 1.00 0.92 2/55 13844
Raw data (stat): 13844 (pb2sat-v2) R 13843 8378 8377 0 -1 0 99352 0 0 0 4801 200 0 0 25 0 1 0 911385879 300572672 54951 4294967295 134512640 135730672 3221224576 3221039856 135282223 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 73382 54951 301 301 0 73081 0
vsize: 293528
[startup+60.0126 s]
Raw data (loadavg): 1.04 1.00 0.92 2/55 13844
Raw data (stat): 13844 (pb2sat-v2) R 13843 8378 8377 0 -1 0 116337 0 0 0 5766 235 0 0 25 0 1 0 911385879 352514048 71714 4294967295 134512640 135730672 3221224576 3221039024 135284059 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 86063 71714 301 301 0 85762 0
vsize: 344252
[startup+70.0124 s]
Raw data (loadavg): 1.04 1.00 0.92 2/55 13844
Raw data (stat): 13844 (pb2sat-v2) R 13843 8378 8377 0 -1 0 158591 0 0 0 6693 309 0 0 25 0 1 0 911385879 560140288 112874 4294967295 134512640 135730672 3221224576 3221040432 134775344 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 136753 112874 301 301 0 136452 0
vsize: 547012
[startup+80.0132 s]
Raw data (loadavg): 1.03 1.00 0.92 2/55 13844
Raw data (stat): 13844 (pb2sat-v2) R 13843 8378 8377 0 -1 0 194368 0 0 0 7616 385 0 0 25 0 1 0 911385879 598151168 105406 4294967295 134512640 135730672 3221224576 3221047296 134770840 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 146033 105406 301 301 0 145732 0
vsize: 584132
[startup+90.014 s]
Raw data (loadavg): 1.03 1.00 0.92 2/55 13844
Raw data (stat): 13844 (pb2sat-v2) R 13843 8378 8377 0 -1 0 205679 0 0 0 8592 409 0 0 25 0 1 0 911385879 631705600 116516 4294967295 134512640 135730672 3221224576 3221048288 134611025 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 154225 116516 301 301 0 153924 0
vsize: 616900
[startup+100.014 s]
Raw data (loadavg): 1.02 1.00 0.92 2/55 13844
Raw data (stat): 13844 (pb2sat-v2) R 13843 8378 8377 0 -1 0 223949 0 0 0 9554 448 0 0 25 0 1 0 911385879 653471744 134555 4294967295 134512640 135730672 3221224576 3221046456 135285239 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 159539 134555 301 301 0 159238 0
vsize: 638156
[startup+110.014 s]
Raw data (loadavg): 1.02 1.00 0.92 2/55 13844
Raw data (stat): 13844 (pb2sat-v2) R 13843 8378 8377 0 -1 0 243803 0 0 0 10516 486 0 0 25 0 1 0 911385879 681861120 154180 4294967295 134512640 135730672 3221224576 3221047836 134637873 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 166470 154180 301 301 0 166169 0
vsize: 665880
[startup+120.014 s]
Raw data (loadavg): 1.01 1.00 0.92 2/55 13844
Raw data (stat): 13844 (pb2sat-v2) R 13843 8378 8377 0 -1 0 259944 0 0 0 11483 520 0 0 25 0 1 0 911385879 755171328 170134 4294967295 134512640 135730672 3221224576 3221059912 135285983 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 184368 170134 301 301 0 184067 0
vsize: 737472
[startup+130.014 s]
Raw data (loadavg): 1.01 1.00 0.92 2/55 13844
Raw data (stat): 13844 (pb2sat-v2) R 13843 8378 8377 0 -1 0 263904 0 0 0 12459 543 0 0 25 0 1 0 911385879 400646144 97393 4294967295 134512640 135730672 3221224576 3221222832 135282716 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 97814 97393 301 301 0 97513 0
vsize: 391256
[startup+131.769 s]
Raw data (loadavg): 1.01 1.00 0.92 1/54 13844
Raw data (stat): 13844 (pb2sat-v2) R 13843 8378 8377 0 -1 0 263904 0 0 0 12459 543 0 0 25 0 1 0 911385879 400646144 97393 4294967295 134512640 135730672 3221224576 3221222832 135282716 0 0 7 16384 0 0 0 17 1 0 0
Raw data (statm): 97814 97393 301 301 0 97513 0
vsize: 0

Child status: 1
Real time (s): 131.768
CPU time (s): 131.785
CPU user time (s): 126.14
CPU system time (s): 5.64514
CPU usage (%): 100.013
Max. virtual memory (Kb): 737472
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
ERROR: no interpretation found !
#### END VERIFIER DATA ####