Trace number 1859577

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 into four (or five) parts:
  1. 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 ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock time.

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. 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.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. 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 X seconds (see the parameters in the trace). 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 X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    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.
  5. 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 provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerobjCPU timeWall clock time
pbclasp 2009-04-24OPT-68 3.85241 3.77019

General information on the benchmark

Name/OPT-SMALLINT-LIN/featureSubscription/
normalized-50-750-false-45-90-4-7000opt.opb
MD5SUMa25a52544be0f6847f2aa8f54184e900
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-68
Best CPU time to get the best result obtained on this benchmark3.85241
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables2025
Total number of constraints29069
Number of constraints which are clauses29069
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint2
Maximum length of a constraint3
Number of terms in the objective function 135
Biggest coefficient in the objective function 4
Number of bits for the biggest coefficient in the objective function 3
Sum of the numbers in the objective function 347
Number of bits of the sum of numbers in the objective function 9
Biggest number in a constraint 4
Number of bits of the biggest number in a constraint 3
Biggest sum of numbers in a constraint 347
Number of bits of the biggest sum of numbers9
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

Solver Data

0.00/0.00	c optimisation-statement found. OPT-category assumed.
0.00/0.28	o -33
0.00/0.30	o -35
0.00/0.30	o -36
0.00/0.31	o -50
0.00/0.36	o -52
0.00/0.39	o -53
0.00/0.40	o -57
0.00/0.41	o -60
0.00/0.96	o -63
1.15/1.18	o -65
1.34/1.33	o -68
3.74/3.76	s OPTIMUM FOUND
3.74/3.76	v x1 x2 -x3 -x4 x5 -x6 -x7 -x8 -x9 -x10 -x11 -x12 -x13 x14 -x15 -x16 x17 -x18 -x19 -x20 -x21 x22 x23 -x24 x25 x26 x27 x28 x29 -x30 -x31 x32 -x33 -x34 x35 -x36 -x37 x38 -x39 -x40 -x41 -x42 -x43 -x44 -x45 -x46 -x47 -x48 -x49 -x50 -x51 x52 -x53 -x54 -x55 -x56 -x57 -x58 -x59 x60 -x61 -x62 -x63 -x64 -x65 -x66 -x67 -x68 -x69 -x70 -x71 -x72 -x73 -x74 -x75 x76 -x77 x78 -x79 -x80 x81 -x82 -x83 -x84 -x85 -x86 -x87 -x88 -x89 -x90 -x91 -x92 -x93 -x94 -x95 -x96 -x97 -x98 x99 -x100 -x101 -x102 -x103 -x104 x105 -x106 x107 -x108 -x109 -x110 -x111 -x112 -x113 -x114 -x115 -x116 -x117 -x118 -x119 -x120 -x121 -x122 -x123 -x124 x125 x126 -x127 -x128 -x129 -x130 -x131 -x132 -x133 -x134 -x135 -x136 -x137 -x138 -x139 x140 x141 x142 -x143 -x144 -x145 x146 -x147 -x148 x149 -x150 -x151 -x152 x153 -x154 x155 x156 -x157 -x158 -x159 x160 x161 x162 x163 x164 -x165 x166 x167 x168 x169 x170 -x171 x172 x173 x174 x175 x176 x177 x178 -x179 -x180 x181 -x182 x183 -x184 x185 x186 x187 x188 x189 -x190 x191 x192 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Verifier Data

OK	-68

Watcher Data

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1859577-1244972194/watcher-1859577-1244972194 -o /tmp/evaluation-result-1859577-1244972194/solver-1859577-1244972194 -C 1800 -W 2000 -M 1800 perl HOME/pbclasp HOME/instance-1859577-1244972194.opb HOME HOME 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2000 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.10 1.04 1.01 3/64 19662
/proc/meminfo: memFree=1257624/2055920 swapFree=4182568/4192956
[pid=19662] ppid=19660 vsize=12268 CPUtime=0
/proc/19662/stat : 19662 (perl) R 19660 19662 18821 0 -1 4194304 353 0 0 0 0 0 0 0 18 0 1 0 164816511 12562432 320 1992294400 4194304 4206940 548682068784 18446744073709551615 272836760289 0 0 4224 0 0 0 0 17 0 0 0
/proc/19662/statm: 3067 323 245 3 0 167 0

[startup+0.041929 s]
/proc/loadavg: 1.10 1.04 1.01 3/64 19662
/proc/meminfo: memFree=1257624/2055920 swapFree=4182568/4192956
[pid=19662] ppid=19660 vsize=12268 CPUtime=0
/proc/19662/stat : 19662 (perl) S 19660 19662 18821 0 -1 4194304 451 0 0 0 0 0 0 0 18 0 1 0 164816511 12562432 411 1992294400 4194304 4206940 548682068784 18446744073709551615 272845815700 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/19662/statm: 3067 411 319 3 0 167 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 12268

[startup+0.102651 s]
/proc/loadavg: 1.10 1.04 1.01 3/64 19662
/proc/meminfo: memFree=1257624/2055920 swapFree=4182568/4192956
[pid=19662] ppid=19660 vsize=12268 CPUtime=0
/proc/19662/stat : 19662 (perl) S 19660 19662 18821 0 -1 4194304 451 0 0 0 0 0 0 0 18 0 1 0 164816511 12562432 411 1992294400 4194304 4206940 548682068784 18446744073709551615 272845815700 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/19662/statm: 3067 411 319 3 0 167 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 12268

[startup+0.302676 s]
/proc/loadavg: 1.10 1.04 1.01 3/64 19662
/proc/meminfo: memFree=1257624/2055920 swapFree=4182568/4192956
[pid=19662] ppid=19660 vsize=12268 CPUtime=0
/proc/19662/stat : 19662 (perl) S 19660 19662 18821 0 -1 4194304 451 0 0 0 0 0 0 0 18 0 1 0 164816511 12562432 411 1992294400 4194304 4206940 548682068784 18446744073709551615 272845815700 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/19662/statm: 3067 411 319 3 0 167 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 12268

[startup+0.702737 s]
/proc/loadavg: 1.10 1.04 1.01 3/64 19662
/proc/meminfo: memFree=1257624/2055920 swapFree=4182568/4192956
[pid=19662] ppid=19660 vsize=12268 CPUtime=0
/proc/19662/stat : 19662 (perl) S 19660 19662 18821 0 -1 4194304 451 0 0 0 0 0 0 0 18 0 1 0 164816511 12562432 411 1992294400 4194304 4206940 548682068784 18446744073709551615 272845815700 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/19662/statm: 3067 411 319 3 0 167 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 12268

[startup+1.50184 s]
/proc/loadavg: 1.09 1.04 1.01 2/68 19667
/proc/meminfo: memFree=1247992/2055920 swapFree=4182568/4192956
[pid=19662] ppid=19660 vsize=12268 CPUtime=0
/proc/19662/stat : 19662 (perl) S 19660 19662 18821 0 -1 4194304 451 0 0 0 0 0 0 0 18 0 1 0 164816511 12562432 411 1992294400 4194304 4206940 548682068784 18446744073709551615 272845815700 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/19662/statm: 3067 411 319 3 0 167 0
[pid=19664] ppid=19662 vsize=5356 CPUtime=0.15
/proc/19664/stat : 19664 (sh) S 19662 19662 18821 0 -1 4194304 305 146 0 0 0 0 15 0 16 0 1 0 164816512 5484544 227 1992294400 4194304 4889804 548682068624 18446744073709551615 272836911940 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/19664/statm: 1339 227 188 169 0 50 0
[pid=19666] ppid=19664 vsize=10268 CPUtime=1.39
/proc/19666/stat : 19666 (clasp) R 19664 19662 18821 0 -1 4194304 2657 0 0 0 138 1 0 0 18 0 1 0 164816512 10514432 2324 1992294400 134512640 136070948 4294956272 18446744073709551615 134835527 0 0 4096 16386 0 0 0 17 0 0 0
/proc/19666/statm: 2567 2324 193 380 0 2184 0
[pid=19667] ppid=19664 vsize=1256 CPUtime=0
/proc/19667/stat : 19667 (pbout) S 19664 19662 18821 0 -1 4194304 134 0 0 0 0 0 0 0 15 0 1 0 164816512 1286144 111 1992294400 134512640 135606965 4294956320 18446744073709551615 135107374 0 0 4096 16386 18446744071563648864 0 0 17 1 0 0
/proc/19667/statm: 314 111 96 267 0 44 0
Current children cumulated CPU time (s) 1.54
Current children cumulated vsize (KiB) 29148

[startup+3.10107 s]
/proc/loadavg: 1.09 1.04 1.01 2/68 19667
/proc/meminfo: memFree=1247992/2055920 swapFree=4182568/4192956
[pid=19662] ppid=19660 vsize=12268 CPUtime=0
/proc/19662/stat : 19662 (perl) S 19660 19662 18821 0 -1 4194304 451 0 0 0 0 0 0 0 18 0 1 0 164816511 12562432 411 1992294400 4194304 4206940 548682068784 18446744073709551615 272845815700 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/19662/statm: 3067 411 319 3 0 167 0
[pid=19664] ppid=19662 vsize=5356 CPUtime=0.15
/proc/19664/stat : 19664 (sh) S 19662 19662 18821 0 -1 4194304 305 146 0 0 0 0 15 0 16 0 1 0 164816512 5484544 227 1992294400 4194304 4889804 548682068624 18446744073709551615 272836911940 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/19664/statm: 1339 227 188 169 0 50 0
[pid=19666] ppid=19664 vsize=10268 CPUtime=2.99
/proc/19666/stat : 19666 (clasp) R 19664 19662 18821 0 -1 4194304 2657 0 0 0 298 1 0 0 21 0 1 0 164816512 10514432 2324 1992294400 134512640 136070948 4294956272 18446744073709551615 134834769 0 0 4096 16386 0 0 0 17 0 0 0
/proc/19666/statm: 2567 2324 193 380 0 2184 0
[pid=19667] ppid=19664 vsize=1256 CPUtime=0
/proc/19667/stat : 19667 (pbout) S 19664 19662 18821 0 -1 4194304 134 0 0 0 0 0 0 0 15 0 1 0 164816512 1286144 111 1992294400 134512640 135606965 4294956320 18446744073709551615 135107374 0 0 4096 16386 18446744071563648864 0 0 17 1 0 0
/proc/19667/statm: 314 111 96 267 0 44 0
Current children cumulated CPU time (s) 3.14
Current children cumulated vsize (KiB) 29148

Solver just ended. Dumping a history of the last processes samples

[startup+3.50112 s]
/proc/loadavg: 1.09 1.04 1.01 2/68 19667
/proc/meminfo: memFree=1247992/2055920 swapFree=4182568/4192956
[pid=19662] ppid=19660 vsize=12268 CPUtime=0
/proc/19662/stat : 19662 (perl) S 19660 19662 18821 0 -1 4194304 451 0 0 0 0 0 0 0 18 0 1 0 164816511 12562432 411 1992294400 4194304 4206940 548682068784 18446744073709551615 272845815700 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/19662/statm: 3067 411 319 3 0 167 0
[pid=19664] ppid=19662 vsize=5356 CPUtime=0.15
/proc/19664/stat : 19664 (sh) S 19662 19662 18821 0 -1 4194304 305 146 0 0 0 0 15 0 16 0 1 0 164816512 5484544 227 1992294400 4194304 4889804 548682068624 18446744073709551615 272836911940 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/19664/statm: 1339 227 188 169 0 50 0
[pid=19666] ppid=19664 vsize=10268 CPUtime=3.39
/proc/19666/stat : 19666 (clasp) R 19664 19662 18821 0 -1 4194304 2657 0 0 0 338 1 0 0 22 0 1 0 164816512 10514432 2324 1992294400 134512640 136070948 4294956272 18446744073709551615 134834241 0 0 4096 16386 0 0 0 17 0 0 0
/proc/19666/statm: 2567 2324 193 380 0 2184 0
[pid=19667] ppid=19664 vsize=1256 CPUtime=0
/proc/19667/stat : 19667 (pbout) S 19664 19662 18821 0 -1 4194304 134 0 0 0 0 0 0 0 15 0 1 0 164816512 1286144 111 1992294400 134512640 135606965 4294956320 18446744073709551615 135107374 0 0 4096 16386 18446744071563648864 0 0 17 1 0 0
/proc/19667/statm: 314 111 96 267 0 44 0
Current children cumulated CPU time (s) 3.54
Current children cumulated vsize (KiB) 29148

[startup+3.70115 s]
/proc/loadavg: 1.09 1.04 1.01 2/68 19667
/proc/meminfo: memFree=1247992/2055920 swapFree=4182568/4192956
[pid=19662] ppid=19660 vsize=12268 CPUtime=0
/proc/19662/stat : 19662 (perl) S 19660 19662 18821 0 -1 4194304 451 0 0 0 0 0 0 0 18 0 1 0 164816511 12562432 411 1992294400 4194304 4206940 548682068784 18446744073709551615 272845815700 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/19662/statm: 3067 411 319 3 0 167 0
[pid=19664] ppid=19662 vsize=5356 CPUtime=0.15
/proc/19664/stat : 19664 (sh) S 19662 19662 18821 0 -1 4194304 305 146 0 0 0 0 15 0 16 0 1 0 164816512 5484544 227 1992294400 4194304 4889804 548682068624 18446744073709551615 272836911940 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/19664/statm: 1339 227 188 169 0 50 0
[pid=19666] ppid=19664 vsize=10268 CPUtime=3.59
/proc/19666/stat : 19666 (clasp) R 19664 19662 18821 0 -1 4194304 2657 0 0 0 358 1 0 0 22 0 1 0 164816512 10514432 2324 1992294400 134512640 136070948 4294956272 18446744073709551615 134639731 0 0 4096 16386 0 0 0 17 0 0 0
/proc/19666/statm: 2567 2324 193 380 0 2184 0
[pid=19667] ppid=19664 vsize=1256 CPUtime=0
/proc/19667/stat : 19667 (pbout) S 19664 19662 18821 0 -1 4194304 134 0 0 0 0 0 0 0 15 0 1 0 164816512 1286144 111 1992294400 134512640 135606965 4294956320 18446744073709551615 135107374 0 0 4096 16386 18446744071563648864 0 0 17 1 0 0
/proc/19667/statm: 314 111 96 267 0 44 0
Current children cumulated CPU time (s) 3.74
Current children cumulated vsize (KiB) 29148

Child status: 0
Real time (s): 3.77019
CPU time (s): 3.85241
CPU user time (s): 3.82042
CPU system time (s): 0.031995
CPU usage (%): 102.181
Max. virtual memory (cumulated for all children) (KiB): 29148

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.82042
system time used= 0.031995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4018
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 291
involuntary context switches= 64

runsolver used 0.005999 second user time and 0.015997 second system time

The end

Launcher Data

Begin job on node39 at 2009-06-14 11:36:34
IDJOB=1859577
IDBENCH=71825
IDSOLVER=687
FILE ID=node39/1859577-1244972194
PBS_JOBID= 9355042
Free space on /tmp= 66216 MiB

SOLVER NAME= pbclasp 2009-04-24
BENCH NAME= PB09/normalized-PB09/OPT-SMALLINT-LIN/featureSubscription/normalized-50-750-false-45-90-4-7000opt.opb
COMMAND LINE= perl HOME/pbclasp BENCHNAME HOME TMPDIR
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1859577-1244972194/watcher-1859577-1244972194 -o /tmp/evaluation-result-1859577-1244972194/solver-1859577-1244972194 -C 1800 -W 2000 -M 1800  perl HOME/pbclasp HOME/instance-1859577-1244972194.opb HOME HOME

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= a25a52544be0f6847f2aa8f54184e900
RANDOM SEED=1172411330

node39.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.263
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.263
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1258232 kB
Buffers:         76908 kB
Cached:         639264 kB
SwapCached:       4220 kB
Active:         108440 kB
Inactive:       615712 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1258232 kB
SwapTotal:     4192956 kB
SwapFree:      4182568 kB
Dirty:            5416 kB
Writeback:           0 kB
Mapped:          13660 kB
Slab:            59640 kB
Committed_AS:   119088 kB
PageTables:       1388 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1859577-1244972194.opb

Free space on /tmp at the end= 66212 MiB
End job on node39 at 2009-06-14 11:36:38