PB'05 competition: run trace

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:

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.
SOLVER DATA
This is the output of the solver (stdout and stderr).
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.
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

Name	normalized-opb/web/www.ps.uni-sb.de/~walser/benchmarks/course-ass/normalized-ss97-6.opb
MD5SUM	5d90b7cbb5bac2aa14257b9c5448f25d
Bench Category	optimization, small integers (OPTSMALLINT)
Has Objective Function	YES
Satisfiable	YES
(Un)Satisfiability was proved	YES
Best value of the objective function	304
Optimality of the best value was proved	NO
Number of terms in the objective function	173
Biggest coefficient in the objective function	100
Number of bits for the biggest coefficient in the objective function	7
Sum of the numbers in the objective function	8448
Number of bits of the sum of numbers in the objective function	14
Biggest number in a constraint	100
Number of bits of the biggest number in a constraint	7
Biggest sum of numbers in a constraint	8448
Number of bits of the biggest sum of numbers	14
Best result obtained on this benchmark	SAT
Best CPU time to get the best result obtained on this benchmark	1.05184
Number of variables	257
Total number of constraints	353
Number of constraints which are clauses	0
Number of constraints which are cardinality constraints (but not clauses)	353
Number of constraints which are nor clauses,nor cardinality constraints	0
Minimum length of a constraint	1
Maximum length of a constraint	44

Trace number 31678

#### BEGIN LAUNCHER DATA ####
LAUNCH ON wulflinc1 THE 2005-05-27 05:55:54 (client local time)
PB2005-SCRIPT v4.0 
MARKUPS: idlaunch=23110 boxname=wulflinc1 idbench=356 idsolver=16 numberseed=0
MD5SUM SOLVER: 
MD5SUM BENCH:  5d90b7cbb5bac2aa14257b9c5448f25d  /oldhome/oroussel/tmp/wulflinc1/normalized-ss97-6.opb
REAL COMMAND:  minisat+_script -cb -gs /oldhome/oroussel/tmp/wulflinc1/normalized-ss97-6.opb
IDLAUNCH: 23110
/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 7
model name	: Pentium III (Katmai)
stepping	: 2
cpu MHz		: 451.053
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		: 451.053
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:        886172 kB
Buffers:         33380 kB
Cached:          90368 kB
SwapCached:        692 kB
Active:          63136 kB
Inactive:        62884 kB
HighTotal:      131008 kB
HighFree:        37800 kB
LowTotal:       903652 kB
LowFree:        848372 kB
SwapTotal:     2097136 kB
SwapFree:      2095440 kB
Dirty:              24 kB
Writeback:           0 kB
Mapped:           5780 kB
Slab:            16600 kB
Committed_AS:    92716 kB
PageTables:        332 kB
VmallocTotal:   114680 kB
VmallocUsed:      1388 kB
VmallocChunk:   113256 kB
JOB ENDED THE 2005-05-27 05:55:56 (client local time) WITH STATUS 30 IN 1.51777 SECONDS
stats: 23110 0 1.51777 30
#### END LAUNCHER DATA ####
#### BEGIN SOLVER DATA ####
c Parsing PB file...
c Converting 180 PB-constraints to clauses...
c   -- Unit propagations: (none)
c   -- Detecting intervals from adjacent constraints: ####################################################################################
c   -- Clauses(.)/Splits(s): (none)
c ---[ 179]---> BDD-cost:  415
c ---[ 178]---> BDD-cost:  415
c ---[ 177]---> BDD-cost:  415
c ---[ 176]---> BDD-cost:  415
c ---[ 175]---> BDD-cost:  413
c ---[ 174]---> BDD-cost:  413
c ---[ 173]---> BDD-cost:   40
c ---[ 172]---> BDD-cost:   40
c ---[ 171]---> BDD-cost:   40
c ---[ 170]---> BDD-cost:   40
c ---[ 169]---> BDD-cost:  102
c ---[ 168]---> BDD-cost:  102
c ---[ 166]---> BDD-cost:    5
c ---[ 164]---> BDD-cost:    1
c ---[ 162]---> BDD-cost:    5
c ---[ 160]---> BDD-cost:    1
c ---[ 158]---> BDD-cost:    5
c ---[ 156]---> BDD-cost:    1
c ---[ 154]---> BDD-cost:    5
c ---[ 152]---> BDD-cost:    1
c ---[ 150]---> BDD-cost:    5
c ---[ 148]---> BDD-cost:    1
c ---[ 146]---> BDD-cost:    5
c ---[ 144]---> BDD-cost:    1
c ---[ 142]---> BDD-cost:    5
c ---[ 140]---> BDD-cost:    1
c ---[ 138]---> BDD-cost:    5
c ---[ 136]---> BDD-cost:    1
c ---[ 134]---> BDD-cost:    5
c ---[ 132]---> BDD-cost:    1
c ---[ 130]---> BDD-cost:    5
c ---[ 128]---> BDD-cost:    1
c ---[ 126]---> BDD-cost:    5
c ---[ 124]---> BDD-cost:    1
c ---[ 122]---> BDD-cost:    5
c ---[ 120]---> BDD-cost:    1
c ---[ 118]---> BDD-cost:    5
c ---[ 116]---> BDD-cost:    5
c ---[ 114]---> BDD-cost:    5
c ---[ 112]---> BDD-cost:    5
c ---[ 110]---> BDD-cost:    1
c ---[ 108]---> BDD-cost:    5
c ---[ 106]---> BDD-cost:    5
c ---[ 104]---> BDD-cost:    5
c ---[ 102]---> BDD-cost:    5
c ---[ 100]---> BDD-cost:    5
c ---[  98]---> BDD-cost:    5
c ---[  96]---> BDD-cost:    5
c ---[  94]---> BDD-cost:    5
c ---[  92]---> BDD-cost:    1
c ---[  90]---> BDD-cost:    5
c ---[  88]---> BDD-cost:    1
c ---[  86]---> BDD-cost:    5
c ---[  84]---> BDD-cost:    1
c ---[  82]---> BDD-cost:    1
c ---[  80]---> BDD-cost:    5
c ---[  78]---> BDD-cost:    1
c ---[  76]---> BDD-cost:    5
c ---[  74]---> BDD-cost:    1
c ---[  72]---> BDD-cost:    1
c ---[  70]---> BDD-cost:    5
c ---[  68]---> BDD-cost:    1
c ---[  66]---> BDD-cost:    1
c ---[  64]---> BDD-cost:    5
c ---[  62]---> BDD-cost:    1
c ---[  60]---> BDD-cost:    5
c ---[  58]---> BDD-cost:    1
c ---[  56]---> BDD-cost:    5
c ---[  54]---> BDD-cost:    1
c ---[  52]---> BDD-cost:    1
c ---[  50]---> BDD-cost:    5
c ---[  48]---> BDD-cost:    1
c ---[  46]---> BDD-cost:    5
c ---[  44]---> BDD-cost:    1
c ---[  42]---> BDD-cost:    5
c ---[  40]---> BDD-cost:    1
c ---[  38]---> BDD-cost:    5
c ---[  36]---> BDD-cost:    1
c ---[  34]---> BDD-cost:    5
c ---[  32]---> BDD-cost:    1
c ---[  30]---> BDD-cost:    5
c ---[  28]---> BDD-cost:    1
c ---[  26]---> BDD-cost:    5
c ---[  24]---> BDD-cost:    1
c ---[  22]---> BDD-cost:    5
c ---[  20]---> BDD-cost:    1
c ---[  18]---> BDD-cost:    1
c ---[  16]---> BDD-cost:    1
c ---[  14]---> BDD-cost:    5
c ---[  12]---> BDD-cost:    1
c ---[  10]---> BDD-cost:    5
c ---[   8]---> BDD-cost:    1
c ---[   6]---> BDD-cost:    5
c ---[   4]---> BDD-cost:    1
c ---[   2]---> BDD-cost:    5
c ---[   0]---> BDD-cost:    1
c ==================================[MINISAT+]==================================
c | Conflicts | Original         | Learnt                           | Progress |
c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
c ==============================================================================
c |         0 |   13266    39186 |    4422       0        0     nan |  0.000 % |
c |       101 |   13266    39186 |    4864     101     2833    28.0 |  2.881 % |
c ==============================================================================
c [1mFound solution: 1209[0m
c ---[   0]---> Sorter-cost: 4062     Base: 5 5 2 2
c ==================================[MINISAT+]==================================
c | Conflicts | Original         | Learnt                           | Progress |
c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
c ==============================================================================
c |       112 |   21070    57447 |    7023     112     2919    26.1 |  2.881 % |
c ==============================================================================
c [1mFound solution: 1014[0m
c ---[   0]---> Sorter-cost:    5     Base: 5 5 2 2
c ==================================[MINISAT+]==================================
c | Conflicts | Original         | Learnt                           | Progress |
c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
c ==============================================================================
c |       148 |   21026    57371 |    7008     145     3395    23.4 |  2.881 % |
c |       248 |   19975    54979 |    7708     211     3742    17.7 |  6.515 % |
c ==============================================================================
c [1mFound solution: 713[0m
c ---[   0]---> Sorter-cost:    5     Base: 5 5 2 2
c ==================================[MINISAT+]==================================
c | Conflicts | Original         | Learnt                           | Progress |
c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
c ==============================================================================
c |       289 |   19553    54038 |    6517     236     4024    17.1 |  6.515 % |
c ==============================================================================
c [1mFound solution: 611[0m
c ---[   0]---> Sorter-cost:    5     Base: 5 5 2 2
c ==================================[MINISAT+]==================================
c | Conflicts | Original         | Learnt                           | Progress |
c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
c ==============================================================================
c |       298 |   19635    54234 |    6545     243     4054    16.7 |  6.515 % |
c ==============================================================================
c [1mFound solution: 408[0m
c ---[   0]---> Sorter-cost:    5     Base: 5 5 2 2
c ==================================[MINISAT+]==================================
c | Conflicts | Original         | Learnt                           | Progress |
c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
c ==============================================================================
c |       313 |   19646    54262 |    6548     258     4207    16.3 |  6.515 % |
c |       413 |   18800    52307 |    7202     305     4589    15.0 | 13.875 % |
c ==============================================================================
c [1mFound solution: 313[0m
c ---[   0]---> Sorter-cost:    2     Base: 5 5 2 2
c ==================================[MINISAT+]==================================
c | Conflicts | Original         | Learnt                           | Progress |
c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
c ==============================================================================
c |       508 |   12243    35005 |    4081     290     3553    12.3 | 13.875 % |
c ==============================================================================
c [1mFound solution: 311[0m
c ---[   0]---> Sorter-cost: 1979     Base: 5 5 2 2
c ==================================[MINISAT+]==================================
c | Conflicts | Original         | Learnt                           | Progress |
c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
c ==============================================================================
c |       528 |   16432    44724 |    5477     310     3618    11.7 | 13.875 % |
c ==============================================================================
c [1mFound solution: 307[0m
c ---[   0]---> Sorter-cost:    6     Base: 5 5 2 2
c ==================================[MINISAT+]==================================
c | Conflicts | Original         | Learnt                           | Progress |
c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
c ==============================================================================
c |       608 |   15321    42226 |    5107     337     3695    11.0 | 13.875 % |
c ==============================================================================
c [1mFound solution: 306[0m
c ---[   0]---> Sorter-cost:    6     Base: 5 5 2 2
c ==================================[MINISAT+]==================================
c | Conflicts | Original         | Learnt                           | Progress |
c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
c ==============================================================================
c |       621 |   15191    41927 |    5063     348     3735    10.7 | 13.875 % |
c ==============================================================================
c [1mFound solution: 305[0m
c ---[   0]---> Sorter-cost:    6     Base: 5 5 2 2
c ==================================[MINISAT+]==================================
c | Conflicts | Original         | Learnt                           | Progress |
c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
c ==============================================================================
c |       622 |   15255    42084 |    5085     349     3739    10.7 | 13.875 % |
c ==============================================================================
c [1mFound solution: 304[0m
c ---[   0]---> Sorter-cost: 1342     Base: 5 5 2 2
c ==================================[MINISAT+]==================================
c | Conflicts | Original         | Learnt                           | Progress |
c |           | Clauses Literals |     Max Clauses Literals     LPC |          |
c ==============================================================================
c |       688 |   16827    45703 |    5609     363     3729    10.3 | 13.875 % |
c ==============================================================================
c [1mOptimal solution: 304[0m
s OPTIMUM FOUND
v v133 -v177 v217 v3 v179 v7 v8 -v96 v184 -v224 -v185 v225 v10 -v98 -v142 v186 -v226 v99 v12 v13 v14 -v58 -v103 -v60 -v104 v148 v229 v61 v19 -v107 -v108 v152 -v21 -v109 v153 -v110 v154 v111 -v191 v231 v26 -v70 v236 v117 -v197 v237 -v198 v238 v118 -v199 v239 v163 v120 -v201 v241 -v202 v242 v121 -v203 v243 -v123 v167 -v205 v245 v124 v246 -v37 -v125 v169 -v207 v247 v126 v248 v39 -v171 v249 v212 -v252 v129 v213 -v253 v130 -v214 v254 v131 -v215 v255 v132 v256 -v1 -v45 -v89 -v90 -v178 -v47 -v219 -v221 -v223 -v52 -v140 -v11 -v55 -v143 -v227 -v56 -v144 -v228 -v57 -v145 -v102 -v146 -v15 -v147 -v17 -v149 -v18 -v62 -v106 v150 -v151 -v65 -v23 -v67 -v155 -v24 -v68 -v112 v156 -v190 v230 -v158 -v232 -v233 -v234 -v235 -v29 -v73 -v161 -v30 -v74 -v162 -v75 -v119 -v240 -v32 -v76 -v164 -v33 -v165 -v34 -v78 -v244 -v79 -v80 -v168 -v81 -v38 -v82 -v170 -v83 -v127 -v41 -v85 -v173 -v42 -v86 -v174 -v43 -v87 -v175 -v176 -v216 one -v2 -v4 -v5 -v6 -v9 -v16 -v20 -v22 -v25 -v27 -v28 -v31 -v35 -v36 -v40 -v44 v46 v48 v49 v50 -v51 v53 -v54 v59 -v63 -v64 -v66 -v69 v71 v72 -v77 v84 -v88 -v91 -v92 -v93 -v94 -v95 -v97 -v100 -v101 -v105 -v113 -v114 -v115 -v116 -v122 -v128 -v134 -v135 -v136 -v137 -v138 -v139 -v141 v157 -v159 -v160 v166 -v172 v180 v181 v182 v183 v187 v188 -v189 v192 v193 v194 v195 -v196 v200 v204 -v206 -v208 -v209 -v210 v211 v218 -v220 -v222 v250 -v251
c _______________________________________________________________________________
c 
c restarts              : 15
c conflicts             : 726            (492 /sec)
c decisions             : 12556          (8502 /sec)
c propagations          : 0              (0 /sec)
c inspects              : 0              (0 /sec)
c CPU time              : 1.47677 s
c _______________________________________________________________________________
#### END SOLVER DATA ####
#### BEGIN WATCHER DATA ####
Enforcing CPU limit (will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1230 seconds
Enforcing VSIZE limit: 943718400 bytes
Raw data (loadavg): 0.91 0.95 0.90 2/55 1427
Raw data (stat): 1427 (runsolver) R 1426 8378 8377 0 -1 64 4 0 0 0 0 0 0 0 19 0 1 0 738729472 1052672 99 4294967295 134512640 135381576 3221224480 3221219688 135158418 0 2147483391 7 90112 0 0 0 17 0 0 0
Raw data (statm): 257 99 215 215 0 42 0
vsize: 1028
[startup+1.53267 s]
Raw data (loadavg): 0.91 0.95 0.90 1/54 1431
Raw data (stat): 1427 (runsolver) R 1426 8378 8377 0 -1 64 4 0 0 0 0 0 0 0 19 0 1 0 738729472 1052672 99 4294967295 134512640 135381576 3221224480 3221219688 135158418 0 2147483391 7 90112 0 0 0 17 0 0 0
Raw data (statm): 257 99 215 215 0 42 0
vsize: 0

Child status: 30
Real time (s): 1.53236
CPU time (s): 1.51777
CPU user time (s): 1.48477
CPU system time (s): 0.032994
CPU usage (%): 99.0475
Max. virtual memory (Kb): 1028
#### END WATCHER DATA ####
#### BEGIN VERIFIER DATA ####
Verifier:	OK	304
#### END VERIFIER DATA ####