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/routing/normalized-s3-3-3-5pb.opb
MD5SUM1f2ea0bfe66b5e24f2472dc653822ec1
Bench Categoryoptimization, small integers (OPTSMALLINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 34
Optimality of the best value was proved YES
Number of terms in the objective function 240
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 240
Number of bits of the sum of numbers in the objective function 8
Biggest number in a constraint 3
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 240
Number of bits of the biggest sum of numbers8
Best result obtained on this benchmarkOPTIMUM FOUND
Best CPU time to get the best result obtained on this benchmark0.228964
Number of variables240
Total number of constraints646
Number of constraints which are clauses634
Number of constraints which are cardinality constraints (but not clauses)12
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint2
Maximum length of a constraint20

Trace number 244

Launcher Data

LAUNCH ON wulflinc5 THE 2005-09-18 09:00:58 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=234 boxname=wulflinc5 idbench=234 idsolver=1 numberseed=0
MD5SUM SOLVER: 38f99674050b34630888bf623b924b59  /oldhome/oroussel/solvers/bsolo
MD5SUM BENCH:  1f2ea0bfe66b5e24f2472dc653822ec1  /oldhome/oroussel/tmp/wulflinc5/normalized-s3-3-3-5pb.opb
REAL COMMAND:  bsolo /oldhome/oroussel/tmp/wulflinc5/normalized-s3-3-3-5pb.opb
IDLAUNCH: 234
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.007
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		: 451.007
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:        955120 kB
Buffers:         33680 kB
Cached:          22172 kB
SwapCached:        792 kB
Active:          52144 kB
Inactive:         6436 kB
HighTotal:      131008 kB
HighFree:       104692 kB
LowTotal:       903652 kB
LowFree:        850428 kB
SwapTotal:     2097136 kB
SwapFree:      2095876 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5804 kB
Slab:            15244 kB
Committed_AS:    64300 kB
PageTables:        332 kB
VmallocTotal:   114680 kB
VmallocUsed:      1364 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-09-18 09:01:05 (client local time) WITH STATUS 30 IN 6.45502 SECONDS
stats: 234 0 6.45502 30

Solver Data

c INFO: OSL Context initialized.
c Initial problem consists of 240 variables and 646 constraints.
c No problem reductions applied in OPT. instance.
c	preprocess terminated. Elapsed time: 0.138
c After prepocess the problem consists of 240 variables and 646 constraints.
c Initial Lower Bound: 0
c Restart #1 #Var: 240 #Dec: 633 LB: 0 @ 0.406
c Restart #2 #Var: 240 #Dec: 1138 LB: 0 @ 0.817
c Restart #3 #Var: 240 #Dec: 2093 LB: 0 @ 1.875
c NEW SOLUTION FOUND: 36 @ 2.713 @ #Dec. 2834
c NEW SOLUTION FOUND: 34 @ 2.716 @ #Dec. 2842
c Restart #4 #Var: 240 #Dec: 3889 LB: 0 @ 4.511
s OPTIMUM FOUND
v -v1 -v2 -v3 -v4 -v5 v6 -v7 -v8 -v9 -v10 v11 -v12 -v13 -v14 -v15 -v16 -v17 -v18 -v19 -v20 -v21 v22 -v23 -v24 -v25 -v26 -v27 -v28 -v29 v30 -v31 -v32 -v33 -v34 -v35 -v36 -v37 -v38 -v39 -v40 -v41 -v42 -v43 -v44 v45 -v46 -v47 v48 -v49 -v50 -v51 -v52 -v53 v54 -v55 -v56 v57 -v58 -v59 v60 -v61 -v62 -v63 -v64 v65 -v66 -v67 -v68 -v69 -v70 -v71 -v72 -v73 -v74 -v75 v76 -v77 -v78 -v79 -v80 -v81 -v82 -v83 -v84 -v85 -v86 -v87 v88 -v89 -v90 -v91 v92 -v93 -v94 -v95 v96 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 -v145 -v146 v147 -v148 -v149 -v150 -v151 v152 -v153 -v154 -v155 -v156 v157 v158 -v159 -v160 -v161 -v162 -v163 -v164 v165 -v166 -v167 -v168 -v169 -v170 -v171 -v172 v173 -v174 v175 -v176 -v177 v178 -v179 -v180 -v181 -v182 -v183 -v184 v185 -v186 -v187 -v188 -v189 -v190 -v191 -v192 v193 -v194 -v195 -v196 -v197 -v198 -v199 -v200 -v201 -v202 -v203 -v204 -v205 -v206 -v207 v208 -v209 -v210 -v211 -v212 -v213 -v214 -v215 -v216 -v217 v218 -v219 -v220 -v221 -v222 -v223 -v224 -v225 -v226 -v227 -v228 -v229 v230 -v231 -v232 -v233 -v234 -v235 -v236 -v237 -v238 -v239 -v240 
c Cost: 34
c Exit Code: 30
c Total time: 6.437 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/1947/stat): 1947 (bsolo) R 1946 1947 824 0 -1 0 19 0 0 0 0 0 0 0 22 0 1 0 1781788779 438272 3 4294967295 134512640 134736556 3221224576 3221224576 1073744960 0 0 5 0 0 0 0 17 0 0 0
Raw data (/proc/1947/statm): 107 3 90 68 0 39 0
[pid=1947] vsize: 428
open syscall for file /etc/ld.so.preload
open syscall for file tls/i686/mmx/libosl.so
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One traced child (pid=1947) exited with status: 30
All traced children have exited ! Game is over.

Child status: 30
Real time (s): 6.68335
CPU time (s): 6.45502
CPU user time (s): 6.30204
CPU system time (s): 0.152976
CPU usage (%): 96.5836
Max. virtual memory (cumulated for all children) (Kb): 0

Verifier Data

Verifier:	OK	34