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/MIPLIB/miplib3/normalized-mps-v2-20-10-swath.opb
MD5SUM88ff0d04f1767526eb86ccd93c80fd2c
Bench Categoryoptimization, big integers (OPTBIGINT)
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of terms in the objective function 31
Biggest coefficient in the objective function 1073741824
Number of bits for the biggest coefficient in the objective function 31
Sum of the numbers in the objective function 2147483647
Number of bits of the sum of numbers in the objective function 31
Biggest number in a constraint 16777216000000
Number of bits of the biggest number in a constraint 44
Biggest sum of numbers in a constraint 66042304016951
Number of bits of the biggest sum of numbers46
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Number of variables9155
Total number of constraints7608
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)7147
Number of constraints which are nor clauses,nor cardinality constraints461
Minimum length of a constraint1
Maximum length of a constraint6754

Trace number 4522

Launcher Data

LAUNCH ON wulflinc27 THE 2005-09-19 18:15:21 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=3012 boxname=wulflinc27 idbench=668 idsolver=3 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  88ff0d04f1767526eb86ccd93c80fd2c  /oldhome/oroussel/tmp/wulflinc27/normalized-mps-v2-20-10-swath.opb
REAL COMMAND:  minisat+_script /oldhome/oroussel/tmp/wulflinc27/normalized-mps-v2-20-10-swath.opb
IDLAUNCH: 3012
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.169
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	: 3
cpu MHz		: 451.169
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:        872168 kB
Buffers:         33840 kB
Cached:          95764 kB
SwapCached:        752 kB
Active:          72108 kB
Inactive:        60096 kB
HighTotal:      131008 kB
HighFree:        39788 kB
LowTotal:       903652 kB
LowFree:        832380 kB
SwapTotal:     2097892 kB
SwapFree:      2096628 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5728 kB
Slab:            24584 kB
Committed_AS:    64168 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-09-19 18:16:28 (client local time) WITH STATUS 0 IN 59.7739 SECONDS
stats: 3012 7 59.7739 0

Solver Data



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/18278/stat): 18278 (minisat+_script) R 18277 18278 28974 0 -1 0 19 0 0 0 0 0 0 0 22 0 1 0 1851963452 712704 3 4294967295 134512640 135087896 3221224496 3221224496 1073744960 0 0 5 0 0 0 0 17 0 0 0
Raw data (/proc/18278/statm): 174 3 169 147 0 27 0
[pid=18278] vsize: 696
open syscall for file /etc/ld.so.preload
open syscall for file tls/i686/mmx/libtermcap.so.2
open syscall for file tls/i686/libtermcap.so.2
open syscall for file tls/mmx/libtermcap.so.2
open syscall for file tls/libtermcap.so.2
open syscall for file i686/mmx/libtermcap.so.2
open syscall for file i686/libtermcap.so.2
open syscall for file mmx/libtermcap.so.2
open syscall for file libtermcap.so.2
open syscall for file /oldhome/oroussel/lib/tls/i686/mmx/libtermcap.so.2
open syscall for file /oldhome/oroussel/lib/tls/i686/libtermcap.so.2
open syscall for file /oldhome/oroussel/lib/tls/mmx/libtermcap.so.2
open syscall for file /oldhome/oroussel/lib/tls/libtermcap.so.2
open syscall for file /oldhome/oroussel/lib/i686/mmx/libtermcap.so.2
open syscall for file /oldhome/oroussel/lib/i686/libtermcap.so.2
open syscall for file /oldhome/oroussel/lib/mmx/libtermcap.so.2
open syscall for file /oldhome/oroussel/lib/libtermcap.so.2
open syscall for file /etc/ld.so.cache
open syscall for file /lib/libtermcap.so.2
open syscall for file tls/i686/mmx/libdl.so.2
open syscall for file tls/i686/libdl.so.2
open syscall for file tls/mmx/libdl.so.2
open syscall for file tls/libdl.so.2
open syscall for file i686/mmx/libdl.so.2
open syscall for file i686/libdl.so.2
open syscall for file mmx/libdl.so.2
open syscall for file libdl.so.2
open syscall for file /oldhome/oroussel/lib/libdl.so.2
open syscall for file /lib/libdl.so.2
open syscall for file tls/i686/mmx/libc.so.6
open syscall for file tls/i686/libc.so.6
open syscall for file tls/mmx/libc.so.6
open syscall for file tls/libc.so.6
open syscall for file i686/mmx/libc.so.6
open syscall for file i686/libc.so.6
open syscall for file mmx/libc.so.6
open syscall for file libc.so.6
open syscall for file /oldhome/oroussel/lib/libc.so.6
open syscall for file /lib/tls/libc.so.6
open syscall for file /dev/tty
open syscall for file /etc/mtab
open syscall for file /proc/meminfo
open syscall for file /oldhome/oroussel/solvers/minisat+_script
New process pid=18279
New process pid=18280
New process pid=18281
execve syscall for /bin/sed executable
One traced child (pid=18280) exited with status: 0
open syscall for file /etc/ld.so.preload
open syscall for file tls/i686/mmx/libc.so.6
open syscall for file tls/i686/libc.so.6
open syscall for file tls/mmx/libc.so.6
open syscall for file tls/libc.so.6
open syscall for file i686/mmx/libc.so.6
open syscall for file i686/libc.so.6
open syscall for file mmx/libc.so.6
open syscall for file libc.so.6
open syscall for file /oldhome/oroussel/lib/tls/i686/mmx/libc.so.6
open syscall for file /oldhome/oroussel/lib/tls/i686/libc.so.6
open syscall for file /oldhome/oroussel/lib/tls/mmx/libc.so.6
open syscall for file /oldhome/oroussel/lib/tls/libc.so.6
open syscall for file /oldhome/oroussel/lib/i686/mmx/libc.so.6
open syscall for file /oldhome/oroussel/lib/i686/libc.so.6
open syscall for file /oldhome/oroussel/lib/mmx/libc.so.6
open syscall for file /oldhome/oroussel/lib/libc.so.6
open syscall for file /etc/ld.so.cache
open syscall for file /lib/tls/libc.so.6
One traced child (pid=18281) exited with status: 0
One traced child (pid=18279) exited with status: 0
New process pid=18282
execve syscall for /oldhome/oroussel/solvers/minisat+_64-bit_static executable
open syscall for file /dev/null
open syscall for file /oldhome/oroussel/tmp/wulflinc27/normalized-mps-v2-20-10-swath.opb

[startup+10.0037 s]
Raw data (loadavg): 0.99 0.96 0.91 2/57 18282
Raw data (/proc/18278/stat): 18278 (minisat+_script) S 18277 18278 28974 0 -1 0 289 239 0 0 0 0 0 0 18 0 1 0 1851963452 2174976 226 4294967295 134512640 135087896 3221224496 3221223768 1074634510 0 65536 5 65538 3222414538 0 0 17 0 0 0
Raw data (/proc/18278/statm): 531 226 485 147 0 384 0
[pid=18278] vsize: 2124
Raw data (/proc/18282/stat): 18282 (minisat+_64-bit) R 18278 18278 28974 0 -1 0 36919 0 0 0 777 127 0 0 25 0 1 0 1851963457 130142208 31467 4294967295 134512640 135094434 3221224432 3220114048 134597450 0 0 5 16386 0 0 0 17 1 0 0
Raw data (/proc/18282/statm): 31773 31467 145 145 0 31628 0
[pid=18282] vsize: 127092
Current children cumulated CPU time (s) 9.04
Current children cumulated vsize (Kb) 129216

[startup+20.0055 s]
Raw data (loadavg): 0.99 0.97 0.91 2/57 18282
Raw data (/proc/18278/stat): 18278 (minisat+_script) S 18277 18278 28974 0 -1 0 289 239 0 0 0 0 0 0 18 0 1 0 1851963452 2174976 226 4294967295 134512640 135087896 3221224496 3221223768 1074634510 0 65536 5 65538 3222414538 0 0 17 0 0 0
Raw data (/proc/18278/statm): 531 226 485 147 0 384 0
[pid=18278] vsize: 2124
Raw data (/proc/18282/stat): 18282 (minisat+_64-bit) R 18278 18278 28974 0 -1 0 71388 0 0 0 1592 234 0 0 25 0 1 0 1851963457 249729024 60663 4294967295 134512640 135094434 3221224432 3220109648 134597450 0 0 5 16386 0 0 0 17 1 0 0
Raw data (/proc/18282/statm): 60969 60663 145 145 0 60824 0
[pid=18282] vsize: 243876
Current children cumulated CPU time (s) 18.26
Current children cumulated vsize (Kb) 246000

[startup+30.0064 s]
Raw data (loadavg): 0.99 0.97 0.91 2/57 18282
Raw data (/proc/18278/stat): 18278 (minisat+_script) S 18277 18278 28974 0 -1 0 289 239 0 0 0 0 0 0 18 0 1 0 1851963452 2174976 226 4294967295 134512640 135087896 3221224496 3221223768 1074634510 0 65536 5 65538 3222414538 0 0 17 0 0 0
Raw data (/proc/18278/statm): 531 226 485 147 0 384 0
[pid=18278] vsize: 2124
Raw data (/proc/18282/stat): 18282 (minisat+_64-bit) R 18278 18278 28974 0 -1 0 90245 0 0 0 2393 323 0 0 22 0 1 0 1851963457 283787264 68974 4294967295 134512640 135094434 3221224432 3220107584 134595120 0 0 5 16386 0 0 0 17 0 0 0
Raw data (/proc/18282/statm): 69284 68974 145 145 0 69139 0
[pid=18282] vsize: 277136
Current children cumulated CPU time (s) 27.16
Current children cumulated vsize (Kb) 279260

[startup+40.0062 s]
Raw data (loadavg): 0.99 0.97 0.91 2/57 18282
Raw data (/proc/18278/stat): 18278 (minisat+_script) S 18277 18278 28974 0 -1 0 289 239 0 0 0 0 0 0 18 0 1 0 1851963452 2174976 226 4294967295 134512640 135087896 3221224496 3221223768 1074634510 0 65536 5 65538 3222414538 0 0 17 0 0 0
Raw data (/proc/18278/statm): 531 226 485 147 0 384 0
[pid=18278] vsize: 2124
Raw data (/proc/18282/stat): 18282 (minisat+_64-bit) R 18278 18278 28974 0 -1 0 140319 0 0 0 3217 455 0 0 25 0 1 0 1851963457 488890368 119048 4294967295 134512640 135094434 3221224432 3220117744 134597418 0 0 5 16386 0 0 0 17 1 0 0
Raw data (/proc/18282/statm): 119358 119048 145 145 0 119213 0
[pid=18282] vsize: 477432
Current children cumulated CPU time (s) 36.72
Current children cumulated vsize (Kb) 479556

[startup+50.008 s]
Raw data (loadavg): 0.99 0.97 0.91 1/57 18282
Raw data (/proc/18278/stat): 18278 (minisat+_script) S 18277 18278 28974 0 -1 0 289 239 0 0 0 0 0 0 18 0 1 0 1851963452 2174976 226 4294967295 134512640 135087896 3221224496 3221223768 1074634510 0 65536 5 65538 3222414538 0 0 17 0 0 0
Raw data (/proc/18278/statm): 531 226 485 147 0 384 0
[pid=18278] vsize: 2124
Raw data (/proc/18282/stat): 18282 (minisat+_64-bit) T 18278 18278 28974 0 -1 0 158811 0 0 0 4016 542 0 0 22 0 1 0 1851963457 478228480 116449 4294967295 134512640 135094434 3221224432 3220108780 134870330 0 0 5 16386 3222434794 0 0 17 1 0 0
Raw data (/proc/18282/statm): 116755 116449 145 145 0 116610 0
[pid=18282] vsize: 467020
Current children cumulated CPU time (s) 45.58
Current children cumulated vsize (Kb) 469144

[startup+60.0078 s]
Raw data (loadavg): 0.99 0.97 0.91 2/57 18282
Raw data (/proc/18278/stat): 18278 (minisat+_script) S 18277 18278 28974 0 -1 0 289 239 0 0 0 0 0 0 18 0 1 0 1851963452 2174976 226 4294967295 134512640 135087896 3221224496 3221223768 1074634510 0 65536 5 65538 3222414538 0 0 17 0 0 0
Raw data (/proc/18278/statm): 531 226 485 147 0 384 0
[pid=18278] vsize: 2124
Raw data (/proc/18282/stat): 18282 (minisat+_64-bit) R 18278 18278 28974 0 -1 0 180643 0 0 0 4786 643 0 0 22 0 1 0 1851963457 567689216 138281 4294967295 134512640 135094434 3221224432 3220111772 134594756 0 0 5 16386 0 0 0 17 0 0 0
Raw data (/proc/18282/statm): 138596 138281 145 145 0 138451 0
[pid=18282] vsize: 554384
Current children cumulated CPU time (s) 54.29
Current children cumulated vsize (Kb) 556508



Mem limit exceeded: sending SIGTERM then SIGKILL

[startup+66.0544 s]
Raw data (loadavg): 0.99 0.97 0.91 1/57 18282
Raw data (/proc/18278/stat): 18278 (minisat+_script) S 18277 18278 28974 0 -1 0 289 239 0 0 0 0 0 0 18 0 1 0 1851963452 2174976 226 4294967295 134512640 135087896 3221224496 3221223768 1074634510 0 65536 5 65538 3222414538 0 0 17 0 0 0
Raw data (/proc/18278/statm): 531 226 485 147 0 384 0
[pid=18278] vsize: 2124
Raw data (/proc/18282/stat): 18282 (minisat+_64-bit) T 18278 18278 28974 0 -1 0 193811 0 0 0 5245 703 0 0 22 0 1 0 1851963457 967172096 151449 4294967295 134512640 135094434 3221224432 3220142764 134802701 0 0 5 16386 3222434794 0 0 17 0 0 0
Raw data (/proc/18282/statm): 236126 151449 145 145 0 235981 0
[pid=18282] vsize: 944504
Current children cumulated CPU time (s) 59.48
Current children cumulated vsize (Kb) 946628

Sending SIGTERM to -18278
Sleeping 2 seconds
One traced child (pid=18278) ended because it received signal 15 (SIGTERM)
One traced child (pid=18282) exited with status: 0
All traced children have exited ! Game is over.

Child status: 0
Real time (s): 66.3361
CPU time (s): 59.7739
CPU user time (s): 52.456
CPU system time (s): 7.31789
CPU usage (%): 90.1077
Max. virtual memory (cumulated for all children) (Kb): 946628



Verifier Data




ERROR: no interpretation found !