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

Namesubmitted/manquinho/ttp/normalized-circ4_3.opb
MD5SUM4a7e7b149407cd13657a201380066d1b
Bench Categoryoptimization, small integers (OPTSMALLINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 20
Optimality of the best value was proved YES
Number of terms in the objective function 48
Biggest coefficient in the objective function 2
Number of bits for the biggest coefficient in the objective function 2
Sum of the numbers in the objective function 64
Number of bits of the sum of numbers in the objective function 7
Biggest number in a constraint 8
Number of bits of the biggest number in a constraint 4
Biggest sum of numbers in a constraint 64
Number of bits of the biggest sum of numbers7
Best result obtained on this benchmarkOPTIMUM FOUND
Best CPU time to get the best result obtained on this benchmark0.665897
Number of variables144
Total number of constraints704
Number of constraints which are clauses464
Number of constraints which are cardinality constraints (but not clauses)96
Number of constraints which are nor clauses,nor cardinality constraints144
Minimum length of a constraint2
Maximum length of a constraint12

Trace number 266

Launcher Data

LAUNCH ON wulflinc12 THE 2005-09-18 09:08:09 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=257 boxname=wulflinc12 idbench=257 idsolver=1 numberseed=0
MD5SUM SOLVER: 38f99674050b34630888bf623b924b59  /oldhome/oroussel/solvers/bsolo
MD5SUM BENCH:  4a7e7b149407cd13657a201380066d1b  /oldhome/oroussel/tmp/wulflinc12/normalized-circ4_3.opb
REAL COMMAND:  bsolo /oldhome/oroussel/tmp/wulflinc12/normalized-circ4_3.opb
IDLAUNCH: 257
/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:        933940 kB
Buffers:         37676 kB
Cached:          24136 kB
SwapCached:        544 kB
Active:          53336 kB
Inactive:        20692 kB
HighTotal:      131008 kB
HighFree:       106848 kB
LowTotal:       903652 kB
LowFree:        827092 kB
SwapTotal:     2097136 kB
SwapFree:      2096072 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5884 kB
Slab:            21148 kB
Committed_AS:    64128 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-09-18 09:08:19 (client local time) WITH STATUS 30 IN 9.58054 SECONDS
stats: 257 0 9.58054 30

Solver Data

c INFO: OSL Context initialized.
c Initial problem consists of 144 variables and 764 constraints.
c No problem reductions applied in OPT. instance.
c	preprocess terminated. Elapsed time: 0.165
c After prepocess the problem consists of 144 variables and 764 constraints.
c Initial Lower Bound: 0
c Restart #1 #Var: 144 #Dec: 256 LB: 0 @ 0.538
c NEW SOLUTION FOUND: 26 @ 0.55 @ #Dec. 278
c NEW SOLUTION FOUND: 24 @ 0.553 @ #Dec. 280
c NEW SOLUTION FOUND: 22 @ 0.554 @ #Dec. 280
c NEW SOLUTION FOUND: 20 @ 0.758 @ #Dec. 437
c Restart #2 #Var: 143 #Dec: 875 LB: 0 @ 1.487
c Restart #3 #Var: 142 #Dec: 1542 LB: 0 @ 2.784
c Restart #4 #Var: 140 #Dec: 2413 LB: 0 @ 5.122
c Restart #5 #Var: 129 #Dec: 3493 LB: 0 @ 9.359
s OPTIMUM FOUND
v -v97 -v98 v99 v100 -v101 -v102 -v103 v104 -v105 -v106 -v107 v108 -v109 -v110 v111 v112 -v113 -v114 -v115 v116 -v117 -v118 -v119 v120 -v121 v122 -v123 -v124 -v125 v126 -v127 v128 -v129 v130 -v131 -v132 -v133 -v134 v135 -v136 v137 -v138 -v139 -v140 v141 v142 v143 -v144 -v2 -v18 -v34 -v50 -v66 v82 -v3 -v19 -v35 -v51 v67 -v83 -v4 -v20 -v36 v52 -v68 -v84 -v5 v21 -v37 -v53 -v69 -v85 -v7 -v23 -v39 v55 -v71 -v87 -v8 -v24 v40 -v56 -v72 -v88 -v9 -v25 v41 -v57 -v73 -v89 v10 -v26 -v42 -v58 -v74 -v90 -v12 v28 -v44 -v60 -v76 -v92 v13 -v29 -v45 -v61 -v77 -v93 -v14 -v30 -v46 -v62 v78 -v94 -v15 -v31 -v47 -v63 -v79 v95 v6 -v22 -v38 -v54 v70 v86 -v11 -v27 -v43 v59 v75 v91 -v16 v32 v48 v64 -v80 -v96 v1 v17 v33 -v49 -v65 -v81 
c Cost: 20
c Exit Code: 30
c Total time: 9.566 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/10137/stat): 10137 (bsolo) R 10136 10137 8263 0 -1 0 19 0 0 0 0 0 0 0 23 0 1 0 1781814822 438272 3 4294967295 134512640 134736556 3221224576 3221224576 1073744960 0 0 5 0 0 0 0 17 1 0 0
Raw data (/proc/10137/statm): 107 3 90 68 0 39 0
[pid=10137] 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
open syscall for file /oldhome/oroussel/lib/i686/mmx/libosl.so
open syscall for file /oldhome/oroussel/lib/i686/libosl.so
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
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /etc/localtime
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
open syscall for file /oldhome/oroussel/tmp/wulflinc12/normalized-circ4_3.opb
One traced child (pid=10137) exited with status: 30
All traced children have exited ! Game is over.

Child status: 30
Real time (s): 9.7605
CPU time (s): 9.58054
CPU user time (s): 9.43657
CPU system time (s): 0.143978
CPU usage (%): 98.1563
Max. virtual memory (cumulated for all children) (Kb): 0

Verifier Data

Verifier:	OK	20