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/www.ps.uni-sb.de/~walser/benchmarks/radar/normalized-10:10:4.5:0.5:100.opb
MD5SUMdd81121db7c1c4b8597dd9571c707a87
Bench Categoryoptimization, small integers (OPTSMALLINT)
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 3
Optimality of the best value was proved YES
Number of terms in the objective function 372
Biggest coefficient in the objective function 220
Number of bits for the biggest coefficient in the objective function 8
Sum of the numbers in the objective function 983
Number of bits of the sum of numbers in the objective function 10
Biggest number in a constraint 220
Number of bits of the biggest number in a constraint 8
Biggest sum of numbers in a constraint 983
Number of bits of the biggest sum of numbers10
Best result obtained on this benchmarkOPTIMUM FOUND
Best CPU time to get the best result obtained on this benchmark19.3841
Number of variables372
Total number of constraints792
Number of constraints which are clauses345
Number of constraints which are cardinality constraints (but not clauses)447
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint18

Trace number 400

Launcher Data

LAUNCH ON wulflinc29 THE 2005-09-18 10:16:00 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=392 boxname=wulflinc29 idbench=392 idsolver=1 numberseed=0
MD5SUM SOLVER: 38f99674050b34630888bf623b924b59  /oldhome/oroussel/solvers/bsolo
MD5SUM BENCH:  dd81121db7c1c4b8597dd9571c707a87  /oldhome/oroussel/tmp/wulflinc29/normalized-10:10:4.5:0.5:100.opb
REAL COMMAND:  bsolo /oldhome/oroussel/tmp/wulflinc29/normalized-10:10:4.5:0.5:100.opb
IDLAUNCH: 392
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 3
cpu MHz		: 451.020
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		: 451.020
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:        943804 kB
Buffers:         36948 kB
Cached:          24324 kB
SwapCached:        812 kB
Active:          53436 kB
Inactive:        10540 kB
HighTotal:      131008 kB
HighFree:       107576 kB
LowTotal:       903652 kB
LowFree:        836228 kB
SwapTotal:     2097892 kB
SwapFree:      2096664 kB
Dirty:              28 kB
Writeback:           0 kB
Mapped:           5736 kB
Slab:            21268 kB
Committed_AS:    64132 kB
PageTables:        328 kB
VmallocTotal:   114680 kB
VmallocUsed:      1368 kB
VmallocChunk:   113252 kB
JOB ENDED THE 2005-09-18 10:16:21 (client local time) WITH STATUS 30 IN 19.3841 SECONDS
stats: 392 0 19.3841 30

Solver Data

c INFO: OSL Context initialized.
c Initial problem consists of 372 variables and 421 constraints.
c	preprocess terminated. Elapsed time: 0.119
c After prepocess the problem consists of 370 variables and 418 constraints.
c Initial Lower Bound: -220
c NEW SOLUTION FOUND: 173 @ 0.162 @ #Dec. 45
c NEW SOLUTION FOUND: 172 @ 0.164 @ #Dec. 45
c NEW SOLUTION FOUND: 169 @ 0.167 @ #Dec. 46
c NEW SOLUTION FOUND: 168 @ 0.188 @ #Dec. 59
c NEW SOLUTION FOUND: 166 @ 0.195 @ #Dec. 62
c NEW SOLUTION FOUND: 165 @ 0.202 @ #Dec. 68
c NEW SOLUTION FOUND: 164 @ 0.214 @ #Dec. 75
c NEW SOLUTION FOUND: 163 @ 0.26 @ #Dec. 108
c NEW SOLUTION FOUND: 162 @ 0.265 @ #Dec. 110
c NEW SOLUTION FOUND: 161 @ 0.28 @ #Dec. 123
c Restart #1 #Var: 370 #Dec: 434 LB: -220 @ 0.662
c NEW SOLUTION FOUND: 16 @ 0.696 @ #Dec. 493
c NEW SOLUTION FOUND: 15 @ 0.711 @ #Dec. 502
c NEW SOLUTION FOUND: 14 @ 0.743 @ #Dec. 523
c NEW SOLUTION FOUND: 13 @ 0.823 @ #Dec. 571
c NEW SOLUTION FOUND: 11 @ 0.853 @ #Dec. 591
c Restart #2 #Var: 370 #Dec: 993 LB: -220 @ 1.449
c Restart #3 #Var: 370 #Dec: 1958 LB: -220 @ 2.382
c Restart #4 #Var: 370 #Dec: 2903 LB: -220 @ 3.698
c Restart #5 #Var: 370 #Dec: 4400 LB: -220 @ 5.288
c CHANGE to LPR mode... 	UB: 11	MIS: -149	LPR: 3 (0.2845)	Diff: -49.667
c Restart #0 #Var: 370 #Dec: 6444 LB: -220 @ 7.877
c NEW SOLUTION FOUND: 5 @ 10.939 @ #Dec. 6474
c NEW SOLUTION FOUND: 4 @ 13.147 @ #Dec. 6506
c NEW SOLUTION FOUND: 3 @ 15.648 @ #Dec. 6525
s OPTIMUM FOUND
v v287 -v229 v148 v112 -v97 -v75 -v45 -v23 v285 v270 -v233 v147 -v128 -v113 -v44 -v28 v269 -v232 -v196 v149 -v127 -v117 -v98 -v79 -v46 -v27 -v2 -v286 v271 -v253 -v234 -v195 -v166 v152 -v133 -v115 -v99 -v77 v47 -v7 -v291 v272 -v252 -v238 -v197 -v165 v151 -v132 -v116 -v102 v54 -v30 -v6 v343 v273 -v237 -v200 -v171 -v156 -v134 -v100 -v78 v48 -v31 v342 -v280 -v254 -v235 v199 -v170 -v155 v138 -v101 -v82 -v49 -v34 -v9 v344 -v274 -v256 -v236 v203 -v172 -v153 v137 -v50 -v32 -v10 v345 -v275 -v201 -v173 -v154 v135 -v33 v11 v346 -v276 -v257 -v202 -v174 v136 v12 -v305 v288 v114 -v94 -v74 -v309 -v228 -v118 -v96 -v22 -v292 -v230 -v95 v80 -v57 -v24 -v290 -v248 v231 v150 -v129 -v103 -v58 -v29 -v1 -v283 -v247 v242 v164 -v130 v83 -v53 -v26 -v3 -v284 -v198 -v167 -v160 v131 v81 -v35 -v8 -v279 -v255 -v221 -v211 -v168 -v159 v142 -v51 v5 -v258 -v207 -v169 v13 v349 -v277 -v259 -v206 -v188 -v178 v350 -v260 -v192 -v304 v289 -v126 v72 -v56 -v308 -v293 v122 -v93 -v76 -v55 -v282 v245 v161 -v121 -v111 v73 -v281 v246 v163 -v107 v84 -v25 -v360 v241 -v217 -v208 -v145 -v106 -v43 -v249 -v210 -v146 -v39 -v4 -v348 v250 v239 -v220 -v181 -v157 v141 -v52 -v38 -v21 v347 v251 -v182 -v17 -v278 v264 -v204 -v187 -v177 -v158 v139 -v16 -v191 -v306 v301 v244 -v125 -v108 -v310 v297 v243 -v162 -v110 v71 -v356 v296 -v144 -v119 v92 -v40 -v209 -v143 v88 -v42 -v359 -v312 v216 -v180 -v120 -v104 -v87 -v64 -v18 -v313 -v179 -v20 v267 v240 -v222 -v105 -v36 v268 -v336 v263 -v205 v189 -v175 v140 -v37 -v14 -v340 -v193 v307 v300 -v123 -v109 v89 -v311 v91 -v41 -v355 -v315 v294 -v213 -v60 -v314 -v19 v361 -v295 -v266 v218 -v85 -v63 -v265 v184 v223 v183 -v86 -v364 v335 -v261 v190 -v176 -v15 v339 v194 v352 -v303 v298 -v124 v90 v302 v357 v319 -v59 v212 v362 v328 v214 -v65 v219 -v365 -v363 v185 v337 -v262 v186 -v68 v341 -v322 v299 v351 v323 v353 v325 -v318 -v61 v358 v327 -v316 -v66 -v366 -v332 v215 -v331 v227 -v69 -v67 v338 -v320 v324 v354 -v62 v329 -v317 -v224 v370 -v226 -v70 v369 -v333 -v334 -v321 v326 -v225 v330 v367 -v368 v371 one 
c Cost: 3
c Exit Code: 30
c Total time: 19.372 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/21020/stat): 21020 (bsolo) R 21019 21020 19818 0 -1 0 19 0 0 0 0 0 0 0 23 0 1 0 1840450968 438272 3 4294967295 134512640 134736556 3221224560 3221224560 1073744960 0 0 5 0 0 0 0 17 1 0 0
Raw data (/proc/21020/statm): 107 3 90 68 0 39 0
[pid=21020] 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
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open syscall for file /etc/localtime
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open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
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open syscall for file /oldhome/oroussel/.OptimizationSolutions/nodelock
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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/wulflinc29/normalized-10:10:4.5:0.5:100.opb

[startup+10.0034 s]
Raw data (loadavg): 0.93 0.96 0.95 2/56 21020
Raw data (/proc/21020/stat): 21020 (bsolo) R 21019 21020 19818 0 -1 0 1594 0 0 0 943 20 0 0 25 0 1 0 1840450968 7151616 1026 4294967295 134512640 134736556 3221224560 3221220656 1074969458 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/21020/statm): 1746 1026 1116 68 0 1678 0
[pid=21020] vsize: 6984
Current children cumulated CPU time (s) 9.63
Current children cumulated vsize (Kb) 6984

[startup+20.0042 s]
Raw data (loadavg): 0.94 0.96 0.95 2/56 21020
Raw data (/proc/21020/stat): 21020 (bsolo) R 21019 21020 19818 0 -1 0 3639 0 0 0 1895 38 0 0 25 0 1 0 1840450968 7393280 1047 4294967295 134512640 134736556 3221224560 3221220388 1074786553 0 0 5 16384 0 0 0 17 0 0 0
Raw data (/proc/21020/statm): 1805 1047 1116 68 0 1737 0
[pid=21020] vsize: 7220
Current children cumulated CPU time (s) 19.33
Current children cumulated vsize (Kb) 7220
One traced child (pid=21020) exited with status: 30
All traced children have exited ! Game is over.

Child status: 30
Real time (s): 20.0588
CPU time (s): 19.3841
CPU user time (s): 18.9951
CPU system time (s): 0.38894
CPU usage (%): 96.6364
Max. virtual memory (cumulated for all children) (Kb): 7220

Verifier Data

Verifier:	OK	3