Trace number 2669046

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
PB/CT 0.1SAT 11.1473 11.1503

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga35_33_sat_pb.cnf.cr.opb
MD5SUMd807de21f10c00acae1479f7b1348df5
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
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 benchmark0.029995
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1733
Total number of constraints1256
Number of constraints which are clauses1188
Number of constraints which are cardinality constraints (but not clauses)68
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint17
Maximum length of a constraint35
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 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 36
Number of bits of the biggest sum of numbers6
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data

0.00/0.00	c PB/CT 0.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.00/0.07	c constraints 68/0 clauses 1188/0 units 0
0.00/0.07	c vars 1733
10.99/11.08	c 9.33258 25.5508 3757 207238
10.99/11.08	s SATISFIABLE
10.99/11.08	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 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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-2669046-1276433621/watcher-2669046-1276433621 -o /tmp/evaluation-result-2669046-1276433621/solver-2669046-1276433621 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2669046-1276433621.opb 

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: 0.99 1.02 1.00 3/106 24181
/proc/meminfo: memFree=1851660/2059040 swapFree=4140384/4192956
[pid=24181] ppid=24179 vsize=2208 CPUtime=0
/proc/24181/stat : 24181 (pbct) R 24179 24181 22981 0 -1 4202496 253 0 0 0 0 0 0 0 18 0 1 0 18963682 2260992 175 1992294400 134512640 136485738 4287884416 18446744073709551615 135180907 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/24181/statm: 552 175 156 482 0 68 0

[startup+0.076316 s]
/proc/loadavg: 0.99 1.02 1.00 3/106 24181
/proc/meminfo: memFree=1851660/2059040 swapFree=4140384/4192956
[pid=24181] ppid=24179 vsize=3648 CPUtime=0.07
/proc/24181/stat : 24181 (pbct) R 24179 24181 22981 0 -1 4202496 593 0 0 0 7 0 0 0 20 0 1 0 18963682 3735552 515 1992294400 134512640 136485738 4287884416 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24181/statm: 912 517 191 482 0 428 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 3648

[startup+0.101322 s]
/proc/loadavg: 0.99 1.02 1.00 3/106 24181
/proc/meminfo: memFree=1851660/2059040 swapFree=4140384/4192956
[pid=24181] ppid=24179 vsize=6712 CPUtime=0.09
/proc/24181/stat : 24181 (pbct) R 24179 24181 22981 0 -1 4202496 1341 0 0 0 9 0 0 0 20 0 1 0 18963682 6873088 1263 1992294400 134512640 136485738 4287884416 18446744073709551615 135868589 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24181/statm: 1678 1263 191 482 0 1194 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6712

[startup+0.300363 s]
/proc/loadavg: 0.99 1.02 1.00 3/106 24181
/proc/meminfo: memFree=1851660/2059040 swapFree=4140384/4192956
[pid=24181] ppid=24179 vsize=17588 CPUtime=0.29
/proc/24181/stat : 24181 (pbct) R 24179 24181 22981 0 -1 4202496 4067 0 0 0 27 2 0 0 20 0 1 0 18963682 18010112 3972 1992294400 134512640 136485738 4287884416 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24181/statm: 4397 3972 224 482 0 3913 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 17588

[startup+0.700448 s]
/proc/loadavg: 0.99 1.02 1.00 3/106 24181
/proc/meminfo: memFree=1851660/2059040 swapFree=4140384/4192956
[pid=24181] ppid=24179 vsize=18900 CPUtime=0.69
/proc/24181/stat : 24181 (pbct) R 24179 24181 22981 0 -1 4202496 4407 0 0 0 58 11 0 0 21 0 1 0 18963682 19353600 4312 1992294400 134512640 136485738 4287884416 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24181/statm: 4725 4312 224 482 0 4241 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 18900

[startup+1.50062 s]
/proc/loadavg: 0.99 1.02 1.00 2/107 24182
/proc/meminfo: memFree=1834788/2059040 swapFree=4140384/4192956
[pid=24181] ppid=24179 vsize=20744 CPUtime=1.49
/proc/24181/stat : 24181 (pbct) R 24179 24181 22981 0 -1 4202496 4880 0 0 0 123 26 0 0 23 0 1 0 18963682 21241856 4785 1992294400 134512640 136485738 4287884416 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24181/statm: 5186 4785 224 482 0 4702 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 20744

[startup+3.10096 s]
/proc/loadavg: 0.99 1.02 1.00 2/107 24182
/proc/meminfo: memFree=1832308/2059040 swapFree=4140384/4192956
[pid=24181] ppid=24179 vsize=21536 CPUtime=3.09
/proc/24181/stat : 24181 (pbct) R 24179 24181 22981 0 -1 4202496 5057 0 0 0 258 51 0 0 25 0 1 0 18963682 22052864 4962 1992294400 134512640 136485738 4287884416 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24181/statm: 5384 4962 224 482 0 4900 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 21536

[startup+6.30064 s]
/proc/loadavg: 0.99 1.02 1.00 2/107 24182
/proc/meminfo: memFree=1830200/2059040 swapFree=4140384/4192956
[pid=24181] ppid=24179 vsize=23388 CPUtime=6.29
/proc/24181/stat : 24181 (pbct) R 24179 24181 22981 0 -1 4202496 5545 0 0 0 527 102 0 0 25 0 1 0 18963682 23949312 5450 1992294400 134512640 136485738 4287884416 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24181/statm: 5847 5450 224 482 0 5363 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 23388

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

[startup+9.50032 s]
/proc/loadavg: 0.99 1.02 1.00 2/107 24182
/proc/meminfo: memFree=1827596/2059040 swapFree=4140384/4192956
[pid=24181] ppid=24179 vsize=26160 CPUtime=9.49
/proc/24181/stat : 24181 (pbct) R 24179 24181 22981 0 -1 4202496 6218 0 0 0 803 146 0 0 25 0 1 0 18963682 26787840 6123 1992294400 134512640 136485738 4287884416 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24181/statm: 6540 6123 224 482 0 6056 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 26160

[startup+10.3005 s]
/proc/loadavg: 0.99 1.02 1.00 2/107 24182
/proc/meminfo: memFree=1827596/2059040 swapFree=4140384/4192956
[pid=24181] ppid=24179 vsize=26160 CPUtime=10.28
/proc/24181/stat : 24181 (pbct) R 24179 24181 22981 0 -1 4202496 6218 0 0 0 868 160 0 0 25 0 1 0 18963682 26787840 6123 1992294400 134512640 136485738 4287884416 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24181/statm: 6540 6123 224 482 0 6056 0
Current children cumulated CPU time (s) 10.28
Current children cumulated vsize (KiB) 26160

[startup+10.7006 s]
/proc/loadavg: 0.99 1.02 1.00 2/107 24182
/proc/meminfo: memFree=1827596/2059040 swapFree=4140384/4192956
[pid=24181] ppid=24179 vsize=26160 CPUtime=10.68
/proc/24181/stat : 24181 (pbct) R 24179 24181 22981 0 -1 4202496 6218 0 0 0 900 168 0 0 25 0 1 0 18963682 26787840 6123 1992294400 134512640 136485738 4287884416 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24181/statm: 6540 6123 224 482 0 6056 0
Current children cumulated CPU time (s) 10.68
Current children cumulated vsize (KiB) 26160

[startup+11.1007 s]
/proc/loadavg: 0.99 1.02 1.00 2/107 24182
/proc/meminfo: memFree=1827472/2059040 swapFree=4140384/4192956
[pid=24181] ppid=24179 vsize=24960 CPUtime=11.08
/proc/24181/stat : 24181 (pbct) R 24179 24181 22981 0 -1 4202496 6241 0 0 0 934 174 0 0 25 0 1 0 18963682 25559040 5871 1992294400 134512640 136485738 4287884416 18446744073709551615 135839796 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24181/statm: 6240 5871 246 482 0 5756 0
Current children cumulated CPU time (s) 11.08
Current children cumulated vsize (KiB) 24960

Child status: 0
Real time (s): 11.1503
CPU time (s): 11.1473
CPU user time (s): 9.39657
CPU system time (s): 1.75073
CPU usage (%): 99.9732
Max. virtual memory (cumulated for all children) (KiB): 26160

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.39657
system time used= 1.75073
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6242
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= 1
involuntary context switches= 149

runsolver used 0.020996 second user time and 0.06099 second system time

The end

Launcher Data

Begin job on node010 at 2010-06-13 14:53:41
IDJOB=2669046
IDBENCH=1392
IDSOLVER=1170
FILE ID=node010/2669046-1276433621
PBS_JOBID= 11173306
Free space on /tmp= 62500 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga35_33_sat_pb.cnf.cr.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2669046-1276433621/watcher-2669046-1276433621 -o /tmp/evaluation-result-2669046-1276433621/solver-2669046-1276433621 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2669046-1276433621.opb

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

MD5SUM BENCH= d807de21f10c00acae1479f7b1348df5
RANDOM SEED=1719049231

node010.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/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		: 3000.267
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.53
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		: 3000.267
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.46
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1852064 kB
Buffers:         16620 kB
Cached:         110908 kB
SwapCached:       6460 kB
Active:          21148 kB
Inactive:       119652 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1852064 kB
SwapTotal:     4192956 kB
SwapFree:      4140384 kB
Dirty:            2100 kB
Writeback:           0 kB
AnonPages:       10952 kB
Mapped:          13044 kB
Slab:            44108 kB
PageTables:       4052 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182188 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62496 MiB
End job on node010 at 2010-06-13 14:53:52