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).
    Note that some very long lines in this section may be truncated by your web browser !
  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

Namemps-v2-20-10/ftp.netlib.org/lp/data/normalized-mps-v2-20-10-etamacro.opb
MD5SUMf21790975377e0e8ad4411581000a671
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 1442
Biggest coefficient in the objective function 25807666597068800000
Number of bits for the biggest coefficient in the objective function 65
Sum of the numbers in the objective function 217111455784720203776
Number of bits of the sum of numbers in the objective function 68
Biggest number in a constraint 25807666597068800000
Number of bits of the biggest number in a constraint 65
Biggest sum of numbers in a constraint 217111455784720203776
Number of bits of the biggest sum of numbers68
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark3.85141
Number of variables15742
Total number of constraints535
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 constraints535
Minimum length of a constraint10
Maximum length of a constraint522

Trace number 9942

Launcher Data

LAUNCH ON wulflinc8 THE 2005-09-23 16:14:47 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=8693 boxname=wulflinc8 idbench=489 idsolver=8 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  f21790975377e0e8ad4411581000a671  /oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-20-10-etamacro.opb
REAL COMMAND:  pb2sat /oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-20-10-etamacro.opb
IDLAUNCH: 8693
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.023
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		: 451.023
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:        934020 kB
Buffers:         12932 kB
Cached:          70436 kB
SwapCached:          0 kB
Active:          46328 kB
Inactive:        39996 kB
HighTotal:      131008 kB
HighFree:        56560 kB
LowTotal:       903652 kB
LowFree:        877460 kB
SwapTotal:     2097136 kB
SwapFree:      2097136 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           6976 kB
Slab:             8784 kB
Committed_AS:    63660 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-09-23 16:16:33 (client local time) WITH STATUS 1 IN 104.847 SECONDS
stats: 8693 7 104.847 1

Solver Data

c This solver internally uses Chaff 2004.11.15 Simplified

	Unexpected exception :
	St9bad_alloc

Watcher Data

Enforcing CPU limit (will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1230 seconds
Enforcing Stack size limit: 67108864 bytes
Enforcing memory limit (will send SIGTERM then SIGKILL): 921600 Kb
Enforcing VSIZE limit: 994918400 bytes
Current StackSize limit: 67108864 bytes
Raw data (/proc/8864/stat): 8864 (pb2sat) R 8863 8864 4060 0 -1 0 18 0 0 0 0 0 0 0 23 0 1 0 21561354 1527808 2 4294967295 134512640 135987407 3221224560 3221224560 134512928 0 0 5 0 0 0 0 17 0 0 0
Raw data (/proc/8864/statm): 373 2 364 364 0 9 0
[pid=8864] vsize: 1492
open syscall for file /oldhome/oroussel/tmp/wulflinc8/normalized-mps-v2-20-10-etamacro.opb

[startup+10.0012 s]
Raw data (loadavg): 0.85 0.92 0.94 2/55 8864
Raw data (/proc/8864/stat): 8864 (pb2sat) R 8863 8864 4060 0 -1 0 30432 0 0 0 927 68 0 0 25 0 1 0 21561354 96120832 19283 4294967295 134512640 135987407 3221224560 3221199472 134802871 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8864/statm): 23467 19283 364 364 0 23103 0
[pid=8864] vsize: 93868
Current children cumulated CPU time (s) 9.95
Current children cumulated vsize (Kb) 93868

[startup+20.002 s]
Raw data (loadavg): 0.87 0.92 0.94 2/55 8864
Raw data (/proc/8864/stat): 8864 (pb2sat) R 8863 8864 4060 0 -1 0 61123 0 0 0 1861 131 0 0 25 0 1 0 21561354 192237568 38749 4294967295 134512640 135987407 3221224560 3221198444 134636959 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8864/statm): 46933 38749 364 364 0 46569 0
[pid=8864] vsize: 187732
Current children cumulated CPU time (s) 19.92
Current children cumulated vsize (Kb) 187732

[startup+30.0028 s]
Raw data (loadavg): 0.89 0.92 0.94 2/55 8864
Raw data (/proc/8864/stat): 8864 (pb2sat) R 8863 8864 4060 0 -1 0 103869 0 0 0 2768 221 0 0 25 0 1 0 21561354 325808128 59288 4294967295 134512640 135987407 3221224560 3221195816 134637789 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8864/statm): 79543 59288 364 364 0 79179 0
[pid=8864] vsize: 318172
Current children cumulated CPU time (s) 29.89
Current children cumulated vsize (Kb) 318172

[startup+40.0036 s]
Raw data (loadavg): 0.91 0.93 0.94 2/55 8864
Raw data (/proc/8864/stat): 8864 (pb2sat) R 8863 8864 4060 0 -1 0 121699 0 0 0 3729 258 0 0 25 0 1 0 21561354 383963136 76889 4294967295 134512640 135987407 3221224560 3221195984 134856442 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8864/statm): 93741 76889 364 364 0 93377 0
[pid=8864] vsize: 374964
Current children cumulated CPU time (s) 39.87
Current children cumulated vsize (Kb) 374964

[startup+50.0044 s]
Raw data (loadavg): 0.92 0.93 0.94 2/55 8864
Raw data (/proc/8864/stat): 8864 (pb2sat) R 8863 8864 4060 0 -1 0 166359 0 0 0 4641 341 0 0 25 0 1 0 21561354 597504000 120353 4294967295 134512640 135987407 3221224560 3221197036 134856360 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8864/statm): 145875 120353 364 364 0 145511 0
[pid=8864] vsize: 583500
Current children cumulated CPU time (s) 49.82
Current children cumulated vsize (Kb) 583500

[startup+60.0042 s]
Raw data (loadavg): 0.93 0.93 0.94 2/55 8864
Raw data (/proc/8864/stat): 8864 (pb2sat) R 8863 8864 4060 0 -1 0 206445 0 0 0 5550 431 0 0 25 0 1 0 21561354 650338304 117189 4294967295 134512640 135987407 3221224560 3221197056 134862195 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8864/statm): 158774 117189 364 364 0 158410 0
[pid=8864] vsize: 635096
Current children cumulated CPU time (s) 59.81
Current children cumulated vsize (Kb) 635096

[startup+70.005 s]
Raw data (loadavg): 0.94 0.93 0.94 2/55 8864
Raw data (/proc/8864/stat): 8864 (pb2sat) R 8863 8864 4060 0 -1 0 222443 0 0 0 6516 463 0 0 25 0 1 0 21561354 705925120 132981 4294967295 134512640 135987407 3221224560 3221196316 135482121 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8864/statm): 172345 132981 364 364 0 171981 0
[pid=8864] vsize: 689380
Current children cumulated CPU time (s) 69.79
Current children cumulated vsize (Kb) 689380

[startup+80.0057 s]
Raw data (loadavg): 0.95 0.93 0.94 2/55 8864
Raw data (/proc/8864/stat): 8864 (pb2sat) R 8863 8864 4060 0 -1 0 240858 0 0 0 7479 498 0 0 25 0 1 0 21561354 731607040 151166 4294967295 134512640 135987407 3221224560 3221197396 135477864 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8864/statm): 178615 151166 364 364 0 178251 0
[pid=8864] vsize: 714460
Current children cumulated CPU time (s) 79.77
Current children cumulated vsize (Kb) 714460

[startup+90.0065 s]
Raw data (loadavg): 0.96 0.94 0.94 2/55 8864
Raw data (/proc/8864/stat): 8864 (pb2sat) R 8863 8864 4060 0 -1 0 259378 0 0 0 8439 535 0 0 25 0 1 0 21561354 759742464 169457 4294967295 134512640 135987407 3221224560 3221204820 134641655 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8864/statm): 185484 169457 364 364 0 185120 0
[pid=8864] vsize: 741936
Current children cumulated CPU time (s) 89.74
Current children cumulated vsize (Kb) 741936

[startup+100.006 s]
Raw data (loadavg): 0.96 0.94 0.94 2/55 8864
Raw data (/proc/8864/stat): 8864 (pb2sat) R 8863 8864 4060 0 -1 0 272982 0 0 0 9411 562 0 0 25 0 1 0 21561354 779313152 182889 4294967295 134512640 135987407 3221224560 3221223424 134795939 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/8864/statm): 190262 182889 364 364 0 189898 0
[pid=8864] vsize: 761048
Current children cumulated CPU time (s) 99.73
Current children cumulated vsize (Kb) 761048
One traced child (pid=8864) exited with status: 1
All traced children have exited ! Game is over.

Child status: 1
Real time (s): 105.123
CPU time (s): 104.847
CPU user time (s): 98.845
CPU system time (s): 6.00209
CPU usage (%): 99.7374
Max. virtual memory (cumulated for all children) (Kb): 761048

Verifier Data

ERROR: no interpretation found !