Trace number 1884779

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 NameAnswerCPU timeWall clock time
pbclasp 2009-04-24SAT 0.326949 0.491294

General information on the benchmark

Name/PURE-SAT/SAT09/CRAFTED/parity-games/
instance_n4_i4_pp_ci_ce.opb
MD5SUM138a47d110b008130c16c0c64adc572a
Bench CategoryPURE-SAT (instances containing only clauses)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.131979
Has Objective FunctionNO
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables1572
Total number of constraints9175
Number of constraints which are clauses9175
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 constraint12
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 3
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 13
Number of bits of the biggest sum of numbers4
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data

0.00/0.20	c no optimisation-statement found. DEC-category assumed.
0.00/0.48	s SATISFIABLE
0.00/0.48	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 x193 -x194 x195 x196 x197 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Verifier Data

OK	0

Watcher Data

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1884779-1245260364/watcher-1884779-1245260364 -o /tmp/evaluation-result-1884779-1245260364/solver-1884779-1245260364 -C 1800 -W 2000 -M 1800 perl HOME/pbclasp HOME/instance-1884779-1245260364.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: 1.00 1.00 0.91 3/67 15101
/proc/meminfo: memFree=1820192/2055920 swapFree=4191820/4192956
[pid=15101] ppid=15099 vsize=18576 CPUtime=0
/proc/15101/stat : 15101 (runsolver) D 15099 15101 14853 0 -1 4194368 16 0 0 0 0 0 0 0 20 0 1 0 182525727 19021824 284 1992294400 4194304 4302564 548682068432 18446744073709551615 209560595751 0 0 4096 24578 18446744071563479169 0 0 17 1 0 0
/proc/15101/statm: 4644 284 249 26 0 2626 0

[startup+0.0841249 s]
/proc/loadavg: 1.00 1.00 0.91 3/67 15101
/proc/meminfo: memFree=1820192/2055920 swapFree=4191820/4192956
[pid=15101] ppid=15099 vsize=11864 CPUtime=0
/proc/15101/stat : 15101 (perl) D 15099 15101 14853 0 -1 4194304 125 0 2 0 0 0 0 0 18 0 1 0 182525727 12148736 94 1992294400 4194304 4206940 548682068784 18446744073709551615 209578036536 0 0 4096 0 18446744071563479169 0 0 17 0 0 0
/proc/15101/statm: 2966 94 63 3 0 66 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 11864

[startup+0.101125 s]
/proc/loadavg: 1.00 1.00 0.91 3/67 15101
/proc/meminfo: memFree=1820192/2055920 swapFree=4191820/4192956
[pid=15101] ppid=15099 vsize=11864 CPUtime=0
/proc/15101/stat : 15101 (perl) D 15099 15101 14853 0 -1 4194304 125 0 2 0 0 0 0 0 18 0 1 0 182525727 12148736 94 1992294400 4194304 4206940 548682068784 18446744073709551615 209578036536 0 0 4096 0 18446744071563479169 0 0 17 0 0 0
/proc/15101/statm: 2966 94 63 3 0 66 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 11864

[startup+0.301143 s]
/proc/loadavg: 1.00 1.00 0.91 3/67 15101
/proc/meminfo: memFree=1820192/2055920 swapFree=4191820/4192956
[pid=15101] ppid=15099 vsize=12268 CPUtime=0
/proc/15101/stat : 15101 (perl) S 15099 15101 14853 0 -1 4194304 422 0 16 0 0 0 0 0 18 0 1 0 182525727 12562432 398 1992294400 4194304 4206940 548682068784 18446744073709551615 209569496980 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/15101/statm: 3067 398 306 3 0 167 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 12268

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

[startup+0.40115 s]
/proc/loadavg: 1.00 1.00 0.91 3/67 15101
/proc/meminfo: memFree=1820192/2055920 swapFree=4191820/4192956
[pid=15101] ppid=15099 vsize=12268 CPUtime=0
/proc/15101/stat : 15101 (perl) S 15099 15101 14853 0 -1 4194304 422 0 16 0 0 0 0 0 18 0 1 0 182525727 12562432 398 1992294400 4194304 4206940 548682068784 18446744073709551615 209569496980 0 0 4230 16384 18446744071563356171 0 0 17 0 0 0
/proc/15101/statm: 3067 398 306 3 0 167 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 12268

Child status: 0
Real time (s): 0.491294
CPU time (s): 0.326949
CPU user time (s): 0.311952
CPU system time (s): 0.014997
CPU usage (%): 66.5486
Max. virtual memory (cumulated for all children) (KiB): 12268

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.311952
system time used= 0.014997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2320
page faults= 16
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 156
involuntary context switches= 14

runsolver used 0.003999 second user time and 0.006998 second system time

The end

Launcher Data

Begin job on node68 at 2009-06-17 19:39:24
IDJOB=1884779
IDBENCH=71991
IDSOLVER=687
FILE ID=node68/1884779-1245260364
PBS_JOBID= 9372393
Free space on /tmp= 66472 MiB

SOLVER NAME= pbclasp 2009-04-24
BENCH NAME= PB09/normalized-PB09/PURE-SAT/SAT09/CRAFTED/parity-games/instance_n4_i4_pp_ci_ce.opb
COMMAND LINE= perl HOME/pbclasp BENCHNAME HOME TMPDIR
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1884779-1245260364/watcher-1884779-1245260364 -o /tmp/evaluation-result-1884779-1245260364/solver-1884779-1245260364 -C 1800 -W 2000 -M 1800  perl HOME/pbclasp HOME/instance-1884779-1245260364.opb HOME HOME

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

MD5SUM BENCH= 138a47d110b008130c16c0c64adc572a
RANDOM SEED=1950986711

node68.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		: 3000.238
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		: 3000.238
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:       1820736 kB
Buffers:         20344 kB
Cached:         137204 kB
SwapCached:        416 kB
Active:          29052 kB
Inactive:       144320 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1820736 kB
SwapTotal:     4192956 kB
SwapFree:      4191820 kB
Dirty:            4780 kB
Writeback:           0 kB
Mapped:          24484 kB
Slab:            47440 kB
Committed_AS:   105116 kB
PageTables:       1564 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1884779-1245260364.opb

Free space on /tmp at the end= 66468 MiB
End job on node68 at 2009-06-17 19:39:25