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

Nameweb/uclid_pb_benchmarks/normalized-ooo.rf7.ucl.opb
MD5SUMf837ccd92768f5be2e8ab118739ca469
Bench Categoryno optimization function (SAT)
Has Objective FunctionNO
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 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 33
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 126
Number of bits of the biggest sum of numbers7
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.675896
Number of variables3736
Total number of constraints10457
Number of constraints which are clauses10089
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints368
Minimum length of a constraint1
Maximum length of a constraint11

Trace number 339

Launcher Data

LAUNCH ON wulflinc12 THE 2005-09-18 09:32:35 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=329 boxname=wulflinc12 idbench=329 idsolver=1 numberseed=0
MD5SUM SOLVER: 38f99674050b34630888bf623b924b59  /oldhome/oroussel/solvers/bsolo
MD5SUM BENCH:  f837ccd92768f5be2e8ab118739ca469  /oldhome/oroussel/tmp/wulflinc12/normalized-ooo.rf7.ucl.opb
REAL COMMAND:  bsolo /oldhome/oroussel/tmp/wulflinc12/normalized-ooo.rf7.ucl.opb
IDLAUNCH: 329
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.091
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		: 451.091
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:        932796 kB
Buffers:         37764 kB
Cached:          25000 kB
SwapCached:        544 kB
Active:          53652 kB
Inactive:        21304 kB
HighTotal:      131008 kB
HighFree:       105952 kB
LowTotal:       903652 kB
LowFree:        826844 kB
SwapTotal:     2097136 kB
SwapFree:      2096072 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5884 kB
Slab:            21388 kB
Committed_AS:    64164 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-09-18 09:33:25 (client local time) WITH STATUS 20 IN 49.1205 SECONDS
stats: 329 7 49.1205 20

Solver Data

c INFO: OSL Context initialized.
c INFO: No cost function. Find solution and finish.
c Initial problem consists of 3736 variables and 10457 constraints.
c Using non-optimization problem switches.
c No problem reductions applied in OPT. instance.
c	preprocess terminated. Elapsed time: 1.646
c After prepocess the problem consists of 3716 variables and 10397 constraints.
c Restart #1 #Var: 3701 #Dec: 1249 LB: 0 @ 6.378
c Restart #2 #Var: 3554 #Dec: 4648 LB: 0 @ 17.451
c Restart #3 #Var: 3531 #Dec: 9941 LB: 0 @ 28.573
c Restart #4 #Var: 2728 #Dec: 12903 LB: 0 @ 48.715
s UNSATISFIABLE
c Exit Code: 20
c Total time: 49.102 s

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/10714/stat): 10714 (bsolo) R 10713 10714 8263 0 -1 0 19 0 0 0 0 0 0 0 23 0 1 0 1781961445 438272 3 4294967295 134512640 134736556 3221224576 3221224576 1073744960 0 0 5 0 0 0 0 17 1 0 0
Raw data (/proc/10714/statm): 107 3 90 68 0 39 0
[pid=10714] vsize: 428
open syscall for file /etc/ld.so.preload
open syscall for file tls/i686/mmx/libosl.so
open syscall for file tls/i686/libosl.so
open syscall for file tls/mmx/libosl.so
open syscall for file tls/libosl.so
open syscall for file i686/mmx/libosl.so
open syscall for file i686/libosl.so
open syscall for file mmx/libosl.so
open syscall for file libosl.so
open syscall for file /oldhome/oroussel/lib/tls/i686/mmx/libosl.so
open syscall for file /oldhome/oroussel/lib/tls/i686/libosl.so
open syscall for file /oldhome/oroussel/lib/tls/mmx/libosl.so
open syscall for file /oldhome/oroussel/lib/tls/libosl.so
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open syscall for file /oldhome/oroussel/lib/mmx/libosl.so
open syscall for file /oldhome/oroussel/lib/libosl.so
open syscall for file tls/i686/mmx/libstdc++-libc6.2-2.so.3
open syscall for file tls/i686/libstdc++-libc6.2-2.so.3
open syscall for file tls/mmx/libstdc++-libc6.2-2.so.3
open syscall for file tls/libstdc++-libc6.2-2.so.3
open syscall for file i686/mmx/libstdc++-libc6.2-2.so.3
open syscall for file i686/libstdc++-libc6.2-2.so.3
open syscall for file mmx/libstdc++-libc6.2-2.so.3
open syscall for file libstdc++-libc6.2-2.so.3
open syscall for file /oldhome/oroussel/lib/libstdc++-libc6.2-2.so.3
open syscall for file /etc/ld.so.cache
open syscall for file /usr/lib/libstdc++-libc6.2-2.so.3
open syscall for file tls/i686/mmx/libm.so.6
open syscall for file tls/i686/libm.so.6
open syscall for file tls/mmx/libm.so.6
open syscall for file tls/libm.so.6
open syscall for file i686/mmx/libm.so.6
open syscall for file i686/libm.so.6
open syscall for file mmx/libm.so.6
open syscall for file libm.so.6
open syscall for file /oldhome/oroussel/lib/libm.so.6
open syscall for file /lib/tls/libm.so.6
open syscall for file tls/i686/mmx/libpthread.so.0
open syscall for file tls/i686/libpthread.so.0
open syscall for file tls/mmx/libpthread.so.0
open syscall for file tls/libpthread.so.0
open syscall for file i686/mmx/libpthread.so.0
open syscall for file i686/libpthread.so.0
open syscall for file mmx/libpthread.so.0
open syscall for file libpthread.so.0
open syscall for file /oldhome/oroussel/lib/libpthread.so.0
open syscall for file /lib/tls/libpthread.so.0
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 tls/i686/mmx/libgcc_s.so.1
open syscall for file tls/i686/libgcc_s.so.1
open syscall for file tls/mmx/libgcc_s.so.1
open syscall for file tls/libgcc_s.so.1
open syscall for file i686/mmx/libgcc_s.so.1
open syscall for file i686/libgcc_s.so.1
open syscall for file mmx/libgcc_s.so.1
open syscall for file libgcc_s.so.1
open syscall for file /oldhome/oroussel/lib/libgcc_s.so.1
open syscall for file /lib/libgcc_s.so.1
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open syscall for file /oldhome/oroussel/tmp/wulflinc12/normalized-ooo.rf7.ucl.opb

[startup+10.0033 s]
Raw data (loadavg): 0.88 0.94 0.90 2/56 10714
Raw data (/proc/10714/stat): 10714 (bsolo) R 10713 10714 8263 0 -1 0 2644 0 0 0 970 15 0 0 25 0 1 0 1781961445 13987840 2555 4294967295 134512640 134736556 3221224576 3221223120 134543572 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10714/statm): 3415 2555 1116 68 0 3347 0
[pid=10714] vsize: 13660
Current children cumulated CPU time (s) 9.85
Current children cumulated vsize (Kb) 13660

[startup+20.0042 s]
Raw data (loadavg): 0.89 0.94 0.91 2/56 10714
Raw data (/proc/10714/stat): 10714 (bsolo) R 10713 10714 8263 0 -1 0 2765 0 0 0 1948 23 0 0 25 0 1 0 1781961445 14528512 2676 4294967295 134512640 134736556 3221224576 3221223200 134524386 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10714/statm): 3547 2676 1116 68 0 3479 0
[pid=10714] vsize: 14188
Current children cumulated CPU time (s) 19.71
Current children cumulated vsize (Kb) 14188

[startup+30.005 s]
Raw data (loadavg): 0.91 0.94 0.91 2/56 10714
Raw data (/proc/10714/stat): 10714 (bsolo) R 10713 10714 8263 0 -1 0 2879 0 0 0 2928 31 0 0 25 0 1 0 1781961445 14934016 2790 4294967295 134512640 134736556 3221224576 3221223028 134717260 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10714/statm): 3646 2790 1116 68 0 3578 0
[pid=10714] vsize: 14584
Current children cumulated CPU time (s) 29.59
Current children cumulated vsize (Kb) 14584

[startup+40.0059 s]
Raw data (loadavg): 0.92 0.94 0.91 2/56 10714
Raw data (/proc/10714/stat): 10714 (bsolo) R 10713 10714 8263 0 -1 0 3041 0 0 0 3917 35 0 0 25 0 1 0 1781961445 15609856 2952 4294967295 134512640 134736556 3221224576 3221223096 134716525 0 0 5 16384 0 0 0 17 1 0 0
Raw data (/proc/10714/statm): 3811 2952 1116 68 0 3743 0
[pid=10714] vsize: 15244
Current children cumulated CPU time (s) 39.52
Current children cumulated vsize (Kb) 15244
One traced child (pid=10714) exited with status: 20
All traced children have exited ! Game is over.

Child status: 20
Real time (s): 49.6235
CPU time (s): 49.1205
CPU user time (s): 48.7296
CPU system time (s): 0.39094
CPU usage (%): 98.9865
Max. virtual memory (cumulated for all children) (Kb): 15244

Verifier Data

ERROR: no interpretation found !