Trace number 2681267

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 NameAnswerobjective functionCPU timeWall clock time
PB/CT 0.1 fixedOPT-70 9.8465 9.8487

General information on the benchmark

Name/OPT-SMALLINT-LIN/featureSubscription/
normalized-50-750-false-45-90-4-2000opt.opb
MD5SUMd2e31bd1942364d9129e439b3449a3af
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-70
Best CPU time to get the best result obtained on this benchmark9.55055
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 constraints29788
Number of constraints which are clauses29788
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 326
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 326
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 PB/CT 0.1.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.29/0.34	c constraints 0/0 clauses 29788/0 units 0
0.29/0.34	c vars 2025
0.29/0.34	c objective 135 + -326
0.79/0.85	c 0.807877 57.9648 2 3027
0.79/0.85	o -7
0.79/0.86	c 0.813876 58.7227 2 4832
0.79/0.86	o -11
0.79/0.87	c 0.817875 58.7227 2 6583
0.79/0.87	o -12
0.79/0.87	c 0.820875 58.7227 3 8299
0.79/0.87	o -16
0.79/0.88	c 0.826874 58.7227 15 10249
0.79/0.88	o -17
0.79/0.89	c 0.830873 58.7227 15 12044
0.79/0.89	o -19
0.79/0.89	c 0.834873 58.7227 17 13764
0.79/0.89	o -21
0.89/0.90	c 0.841872 58.7227 30 15706
0.89/0.90	o -23
0.89/0.91	c 0.846871 58.7227 48 17528
0.89/0.91	o -24
0.89/0.92	c 0.85287 58.7227 69 19469
0.89/0.92	o -26
0.89/0.92	c 0.857869 58.7227 85 21261
0.89/0.92	o -30
0.89/0.93	c 0.863868 58.7227 97 23022
0.89/0.93	o -31
0.89/0.95	c 0.873867 58.7227 183 25042
0.89/0.95	o -39
0.89/0.95	c 0.880866 58.7227 206 26720
0.89/0.95	o -40
0.89/0.97	c 0.897863 58.7227 336 28786
0.89/0.97	o -55
0.89/0.99	c 0.907861 58.7227 413 30446
0.89/0.99	o -56
0.89/0.99	c 0.913861 58.7227 429 31917
0.89/0.99	o -59
1.00/1.02	c 0.942856 58.7227 700 33883
1.00/1.02	o -61
1.00/1.04	c 0.955854 58.7227 803 35558
1.00/1.04	o -63
1.10/1.13	c 1.03984 58.7227 1616 37946
1.10/1.13	o -64
1.89/1.93	c 1.79373 60.168 7321 45653
1.89/1.93	o -65
1.99/2.09	c 1.9407 60.4258 8124 47875
1.99/2.09	o -66
3.20/3.24	c 3.05454 61.5898 8266 55805
3.20/3.24	o -68
6.89/6.95	c 6.63299 61.5898 7334 79244
6.89/6.95	o -70
9.49/9.59	c 9.2086 61.5898 1160 95344
9.49/9.59	s OPTIMUM FOUND
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-x2025

Verifier Data 

OK	-70

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2681267-1277506306/watcher-2681267-1277506306 -o /tmp/evaluation-result-2681267-1277506306/solver-2681267-1277506306 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681267-1277506306.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: 0.88 0.97 0.99 3/106 30847
/proc/meminfo: memFree=1843024/2059040 swapFree=4140192/4192956
[pid=30847] ppid=30845 vsize=2136 CPUtime=0
/proc/30847/stat : 30847 (pbct) R 30845 30847 30768 0 -1 4202496 250 0 0 0 0 0 0 0 20 0 1 0 91923422 2187264 169 1992294400 134512640 136421960 4287932864 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30847/statm: 534 169 145 467 0 65 0

[startup+0.0631441 s]
/proc/loadavg: 0.88 0.97 0.99 3/106 30847
/proc/meminfo: memFree=1843024/2059040 swapFree=4140192/4192956
[pid=30847] ppid=30845 vsize=2268 CPUtime=0.06
/proc/30847/stat : 30847 (pbct) R 30845 30847 30768 0 -1 4202496 293 0 0 0 6 0 0 0 20 0 1 0 91923422 2322432 212 1992294400 134512640 136421960 4287932864 18446744073709551615 135162108 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30847/statm: 567 212 145 467 0 98 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 2268

[startup+0.101148 s]
/proc/loadavg: 0.88 0.97 0.99 3/106 30847
/proc/meminfo: memFree=1843024/2059040 swapFree=4140192/4192956
[pid=30847] ppid=30845 vsize=2400 CPUtime=0.09
/proc/30847/stat : 30847 (pbct) R 30845 30847 30768 0 -1 4202496 325 0 0 0 9 0 0 0 20 0 1 0 91923422 2457600 244 1992294400 134512640 136421960 4287932864 18446744073709551615 135806150 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30847/statm: 600 244 145 467 0 131 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2400

[startup+0.30117 s]
/proc/loadavg: 0.88 0.97 0.99 3/106 30847
/proc/meminfo: memFree=1843024/2059040 swapFree=4140192/4192956
[pid=30847] ppid=30845 vsize=3060 CPUtime=0.29
/proc/30847/stat : 30847 (pbct) R 30845 30847 30768 0 -1 4202496 473 0 0 0 29 0 0 0 20 0 1 0 91923422 3133440 392 1992294400 134512640 136421960 4287932864 18446744073709551615 134532587 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30847/statm: 765 392 145 467 0 296 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3060

[startup+0.701213 s]
/proc/loadavg: 0.88 0.97 0.99 3/106 30847
/proc/meminfo: memFree=1843024/2059040 swapFree=4140192/4192956
[pid=30847] ppid=30845 vsize=54876 CPUtime=0.69
/proc/30847/stat : 30847 (pbct) R 30845 30847 30768 0 -1 4202496 14078 0 0 0 65 4 0 0 21 0 1 0 91923422 56193024 13238 1992294400 134512640 136421960 4287932864 18446744073709551615 134700917 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30847/statm: 13719 13238 195 467 0 13250 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 54876

[startup+1.5013 s]
/proc/loadavg: 0.88 0.97 0.99 2/107 30848
/proc/meminfo: memFree=1786596/2059040 swapFree=4140192/4192956
[pid=30847] ppid=30845 vsize=60920 CPUtime=1.49
/proc/30847/stat : 30847 (pbct) R 30845 30847 30768 0 -1 4202496 15654 0 0 0 138 11 0 0 23 0 1 0 91923422 62382080 14477 1992294400 134512640 136421960 4287932864 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30847/statm: 15230 14477 236 467 0 14761 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 60920

[startup+3.10148 s]
/proc/loadavg: 0.88 0.97 0.99 2/107 30848
/proc/meminfo: memFree=1784488/2059040 swapFree=4140192/4192956
[pid=30847] ppid=30845 vsize=63064 CPUtime=3.09
/proc/30847/stat : 30847 (pbct) R 30845 30847 30768 0 -1 4202496 16183 0 0 0 291 18 0 0 25 0 1 0 91923422 64577536 15004 1992294400 134512640 136421960 4287932864 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30847/statm: 15766 15004 236 467 0 15297 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 63064

[startup+6.30083 s]
/proc/loadavg: 0.89 0.97 0.99 2/107 30848
/proc/meminfo: memFree=1783372/2059040 swapFree=4140192/4192956
[pid=30847] ppid=30845 vsize=63064 CPUtime=6.29
/proc/30847/stat : 30847 (pbct) R 30845 30847 30768 0 -1 4202496 16184 0 0 0 600 29 0 0 25 0 1 0 91923422 64577536 15004 1992294400 134512640 136421960 4287932864 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30847/statm: 15766 15004 236 467 0 15297 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 63064

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

[startup+7.901 s]
/proc/loadavg: 0.89 0.97 0.99 2/107 30848
/proc/meminfo: memFree=1783372/2059040 swapFree=4140192/4192956
[pid=30847] ppid=30845 vsize=63064 CPUtime=7.89
/proc/30847/stat : 30847 (pbct) R 30845 30847 30768 0 -1 4202496 16185 0 0 0 755 34 0 0 25 0 1 0 91923422 64577536 15004 1992294400 134512640 136421960 4287932864 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30847/statm: 15766 15004 236 467 0 15297 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 63064

[startup+8.70109 s]
/proc/loadavg: 0.90 0.97 0.99 2/107 30848
/proc/meminfo: memFree=1783372/2059040 swapFree=4140192/4192956
[pid=30847] ppid=30845 vsize=63064 CPUtime=8.69
/proc/30847/stat : 30847 (pbct) R 30845 30847 30768 0 -1 4202496 16185 0 0 0 834 35 0 0 25 0 1 0 91923422 64577536 15004 1992294400 134512640 136421960 4287932864 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30847/statm: 15766 15004 236 467 0 15297 0
Current children cumulated CPU time (s) 8.69
Current children cumulated vsize (KiB) 63064

[startup+9.50117 s]
/proc/loadavg: 0.90 0.97 0.99 2/107 30848
/proc/meminfo: memFree=1783372/2059040 swapFree=4140192/4192956
[pid=30847] ppid=30845 vsize=63064 CPUtime=9.49
/proc/30847/stat : 30847 (pbct) R 30845 30847 30768 0 -1 4202496 16185 0 0 0 911 38 0 0 25 0 1 0 91923422 64577536 15004 1992294400 134512640 136421960 4287932864 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30847/statm: 15766 15004 236 467 0 15297 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 63064

[startup+9.70119 s]
/proc/loadavg: 0.90 0.97 0.99 2/107 30848
/proc/meminfo: memFree=1783372/2059040 swapFree=4140192/4192956
[pid=30847] ppid=30845 vsize=58152 CPUtime=9.69
/proc/30847/stat : 30847 (pbct) R 30845 30847 30768 0 -1 4202496 16189 0 0 0 931 38 0 0 25 0 1 0 91923422 59547648 13888 1992294400 134512640 136421960 4287932864 18446744073709551615 134701435 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30847/statm: 14538 13888 239 467 0 14069 0
Current children cumulated CPU time (s) 9.69
Current children cumulated vsize (KiB) 58152

[startup+9.80121 s]
/proc/loadavg: 0.90 0.97 0.99 2/107 30848
/proc/meminfo: memFree=1787340/2059040 swapFree=4140192/4192956
[pid=30847] ppid=30845 vsize=58152 CPUtime=9.79
/proc/30847/stat : 30847 (pbct) R 30845 30847 30768 0 -1 4202496 16189 0 0 0 941 38 0 0 25 0 1 0 91923422 59547648 13888 1992294400 134512640 136421960 4287932864 18446744073709551615 135818225 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30847/statm: 14538 13888 239 467 0 14069 0
Current children cumulated CPU time (s) 9.79
Current children cumulated vsize (KiB) 58152

Child status: 0
Real time (s): 9.8487
CPU time (s): 9.8465
CPU user time (s): 9.44956
CPU system time (s): 0.396939
CPU usage (%): 99.9776
Max. virtual memory (cumulated for all children) (KiB): 63064

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.44956
system time used= 0.396939
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 16190
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= 12

runsolver used 0.021996 second user time and 0.053991 second system time

The end

Launcher Data 

Begin job on node037 at 2010-06-26 00:51:46
IDJOB=2681267
IDBENCH=71827
IDSOLVER=1192
FILE ID=node037/2681267-1277506306
PBS_JOBID= 11190635
Free space on /tmp= 62488 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB09/normalized-PB09/OPT-SMALLINT-LIN/featureSubscription/normalized-50-750-false-45-90-4-2000opt.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681267-1277506306/watcher-2681267-1277506306 -o /tmp/evaluation-result-2681267-1277506306/solver-2681267-1277506306 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681267-1277506306.opb

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

MD5SUM BENCH= d2e31bd1942364d9129e439b3449a3af
RANDOM SEED=1597377642

node037.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		: 3000.248
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	: 6000.49
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		: 3000.248
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	: 5599.55
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1843420 kB
Buffers:         35108 kB
Cached:          84644 kB
SwapCached:       5520 kB
Active:          69248 kB
Inactive:        63420 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1843420 kB
SwapTotal:     4192956 kB
SwapFree:      4140192 kB
Dirty:            3108 kB
Writeback:           8 kB
AnonPages:       11444 kB
Mapped:          11816 kB
Slab:            60928 kB
PageTables:       4096 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182064 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= 62488 MiB
End job on node037 at 2010-06-26 00:51:56