Trace number 2681268

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-187 165.434 165.478

General information on the benchmark

Name/OPT-SMALLINT-LIN/featureSubscription/
normalized-50-250-false-45-90-4-3000opt.opb
MD5SUM948226035ef0280d59f9150dd2b5c694
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-187
Best CPU time to get the best result obtained on this benchmark35.0747
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 constraints63877
Number of constraints which are clauses63877
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 340
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 340
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
0.59/0.69	c constraints 0/0 clauses 63877/0 units 0
0.59/0.69	c vars 2025
0.59/0.69	c objective 135 + -340
1.59/1.67	c 1.54676 117.797 0 1794
1.59/1.67	o -48
1.59/1.68	c 1.55276 119.336 9 3690
1.59/1.68	o -51
1.59/1.69	c 1.56576 119.336 44 4745
1.59/1.69	o -113
1.69/1.71	c 1.58376 119.336 116 5905
1.69/1.71	o -117
1.69/1.72	c 1.59176 119.336 125 6855
1.69/1.72	o -143
1.69/1.75	c 1.62475 119.336 246 7943
1.69/1.75	o -161
1.69/1.78	c 1.65175 119.336 352 8858
1.69/1.78	o -165
1.69/1.80	c 1.65975 119.336 361 9534
1.69/1.80	o -169
1.79/1.82	c 1.67974 119.336 437 10392
1.79/1.82	o -170
1.79/1.89	c 1.75373 119.336 838 11706
1.79/1.89	o -174
1.99/2.00	c 1.85772 119.336 1413 13220
1.99/2.00	o -175
1.99/2.03	c 1.88771 119.336 1524 13959
1.99/2.03	o -176
1.99/2.09	c 1.9437 119.336 1832 14959
1.99/2.09	o -179
2.10/2.17	c 2.01869 119.336 2235 16002
2.10/2.17	o -182
3.09/3.19	c 3.00154 120.625 7476 23048
3.09/3.19	o -184
5.29/5.30	c 5.06323 122.32 15762 33024
5.29/5.30	o -185
5.50/5.52	c 5.2742 122.449 16321 34222
5.50/5.52	o -186
12.89/12.95	c 12.5611 123.523 19286 62799
12.89/12.95	o -187
164.85/164.98	c 161.783 125.801 604 574066
164.85/164.98	s OPTIMUM FOUND
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Verifier Data 

OK	-187

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2681268-1277506312/watcher-2681268-1277506312 -o /tmp/evaluation-result-2681268-1277506312/solver-2681268-1277506312 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681268-1277506312.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 0.97 0.92 3/105 29636
/proc/meminfo: memFree=1865500/2059040 swapFree=4139016/4192956
[pid=29636] ppid=29634 vsize=2136 CPUtime=0
/proc/29636/stat : 29636 (pbct) R 29634 29636 29532 0 -1 4202496 249 0 0 0 0 0 0 0 25 0 1 0 91924767 2187264 169 1992294400 134512640 136421960 4287807280 18446744073709551615 135873694 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29636/statm: 534 170 145 467 0 65 0

[startup+0.0453051 s]
/proc/loadavg: 0.99 0.97 0.92 3/105 29636
/proc/meminfo: memFree=1865500/2059040 swapFree=4139016/4192956
[pid=29636] ppid=29634 vsize=2268 CPUtime=0.04
/proc/29636/stat : 29636 (pbct) R 29634 29636 29532 0 -1 4202496 285 0 0 0 4 0 0 0 25 0 1 0 91924767 2322432 205 1992294400 134512640 136421960 4287807280 18446744073709551615 135524286 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29636/statm: 567 205 145 467 0 98 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 2268

[startup+0.101311 s]
/proc/loadavg: 0.99 0.97 0.92 3/105 29636
/proc/meminfo: memFree=1865500/2059040 swapFree=4139016/4192956
[pid=29636] ppid=29634 vsize=2400 CPUtime=0.09
/proc/29636/stat : 29636 (pbct) R 29634 29636 29532 0 -1 4202496 328 0 0 0 9 0 0 0 25 0 1 0 91924767 2457600 248 1992294400 134512640 136421960 4287807280 18446744073709551615 135378052 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29636/statm: 600 248 145 467 0 131 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2400

[startup+0.301334 s]
/proc/loadavg: 0.99 0.97 0.92 3/105 29636
/proc/meminfo: memFree=1865500/2059040 swapFree=4139016/4192956
[pid=29636] ppid=29634 vsize=3060 CPUtime=0.29
/proc/29636/stat : 29636 (pbct) R 29634 29636 29532 0 -1 4202496 491 0 0 0 29 0 0 0 25 0 1 0 91924767 3133440 411 1992294400 134512640 136421960 4287807280 18446744073709551615 135372691 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29636/statm: 765 411 145 467 0 296 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3060

[startup+0.701377 s]
/proc/loadavg: 0.99 0.97 0.92 3/105 29636
/proc/meminfo: memFree=1865500/2059040 swapFree=4139016/4192956
[pid=29636] ppid=29634 vsize=6344 CPUtime=0.69
/proc/29636/stat : 29636 (pbct) R 29634 29636 29532 0 -1 4202496 1311 0 0 0 69 0 0 0 25 0 1 0 91924767 6496256 1198 1992294400 134512640 136421960 4287807280 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29636/statm: 1586 1200 189 467 0 1117 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6344

[startup+1.50147 s]
/proc/loadavg: 0.99 0.97 0.92 2/106 29637
/proc/meminfo: memFree=1835980/2059040 swapFree=4139016/4192956
[pid=29636] ppid=29634 vsize=116760 CPUtime=1.49
/proc/29636/stat : 29636 (pbct) R 29634 29636 29532 0 -1 4202496 30444 0 0 0 138 11 0 0 25 0 1 0 91924767 119562240 27020 1992294400 134512640 136421960 4287807280 18446744073709551615 135801273 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29636/statm: 29190 27020 204 467 0 28721 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 116760

[startup+3.10064 s]
/proc/loadavg: 0.99 0.97 0.92 2/106 29637
/proc/meminfo: memFree=1753140/2059040 swapFree=4139016/4192956
[pid=29636] ppid=29634 vsize=123384 CPUtime=3.09
/proc/29636/stat : 29636 (pbct) R 29634 29636 29532 0 -1 4202496 32180 0 0 0 290 19 0 0 25 0 1 0 91924767 126345216 28346 1992294400 134512640 136421960 4287807280 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29636/statm: 30846 28346 236 467 0 30377 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 123384

[startup+6.301 s]
/proc/loadavg: 0.99 0.97 0.92 2/106 29637
/proc/meminfo: memFree=1750288/2059040 swapFree=4139016/4192956
[pid=29636] ppid=29634 vsize=125956 CPUtime=6.29
/proc/29636/stat : 29636 (pbct) R 29634 29636 29532 0 -1 4202496 32810 0 0 0 604 25 0 0 25 0 1 0 91924767 128978944 28973 1992294400 134512640 136421960 4287807280 18446744073709551615 134861902 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29636/statm: 31489 28973 236 467 0 31020 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 125956

[startup+12.7007 s]
/proc/loadavg: 0.99 0.97 0.92 2/106 29637
/proc/meminfo: memFree=1749056/2059040 swapFree=4139016/4192956
[pid=29636] ppid=29634 vsize=126484 CPUtime=12.69
/proc/29636/stat : 29636 (pbct) R 29634 29636 29532 0 -1 4202496 32972 0 0 0 1231 38 0 0 25 0 1 0 91924767 129519616 29135 1992294400 134512640 136421960 4287807280 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29636/statm: 31621 29135 236 467 0 31152 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 126484

[startup+25.5011 s]
/proc/loadavg: 0.99 0.97 0.92 2/106 29637
/proc/meminfo: memFree=1749056/2059040 swapFree=4139016/4192956
[pid=29636] ppid=29634 vsize=126484 CPUtime=25.48
/proc/29636/stat : 29636 (pbct) R 29634 29636 29532 0 -1 4202496 32974 0 0 0 2483 65 0 0 25 0 1 0 91924767 129519616 29136 1992294400 134512640 136421960 4287807280 18446744073709551615 134861902 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29636/statm: 31621 29136 236 467 0 31152 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 126484

[startup+51.101 s]
/proc/loadavg: 0.99 0.97 0.92 2/106 29639
/proc/meminfo: memFree=1748312/2059040 swapFree=4139016/4192956
[pid=29636] ppid=29634 vsize=127288 CPUtime=51.08
/proc/29636/stat : 29636 (pbct) R 29634 29636 29532 0 -1 4202496 33176 0 0 0 4996 112 0 0 25 0 1 0 91924767 130342912 29338 1992294400 134512640 136421960 4287807280 18446744073709551615 134861916 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29636/statm: 31822 29338 236 467 0 31353 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 127288

[startup+102.309 s]
/proc/loadavg: 0.99 0.97 0.92 2/106 29639
/proc/meminfo: memFree=1746700/2059040 swapFree=4139016/4192956
[pid=29636] ppid=29634 vsize=128816 CPUtime=102.27
/proc/29636/stat : 29636 (pbct) R 29634 29636 29532 0 -1 4202496 33532 0 0 0 10031 196 0 0 25 0 1 0 91924767 131907584 29694 1992294400 134512640 136421960 4287807280 18446744073709551615 134861902 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29636/statm: 32204 29694 236 467 0 31735 0
Current children cumulated CPU time (s) 102.27
Current children cumulated vsize (KiB) 128816

[startup+162.301 s]
/proc/loadavg: 0.99 0.97 0.92 2/106 29641
/proc/meminfo: memFree=1746700/2059040 swapFree=4139016/4192956
[pid=29636] ppid=29634 vsize=128816 CPUtime=162.25
/proc/29636/stat : 29636 (pbct) R 29634 29636 29532 0 -1 4202496 33537 0 0 0 15916 309 0 0 25 0 1 0 91924767 131907584 29699 1992294400 134512640 136421960 4287807280 18446744073709551615 134862021 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29636/statm: 32204 29699 236 467 0 31735 0
Current children cumulated CPU time (s) 162.25
Current children cumulated vsize (KiB) 128816

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

[startup+163.101 s]
/proc/loadavg: 0.99 0.97 0.92 2/106 29641
/proc/meminfo: memFree=1746700/2059040 swapFree=4139016/4192956
[pid=29636] ppid=29634 vsize=128816 CPUtime=163.05
/proc/29636/stat : 29636 (pbct) R 29634 29636 29532 0 -1 4202496 33538 0 0 0 15995 310 0 0 25 0 1 0 91924767 131907584 29700 1992294400 134512640 136421960 4287807280 18446744073709551615 134861995 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29636/statm: 32204 29700 236 467 0 31735 0
Current children cumulated CPU time (s) 163.05
Current children cumulated vsize (KiB) 128816

[startup+164.701 s]
/proc/loadavg: 0.99 0.97 0.92 2/106 29641
/proc/meminfo: memFree=1746700/2059040 swapFree=4139016/4192956
[pid=29636] ppid=29634 vsize=128816 CPUtime=164.64
/proc/29636/stat : 29636 (pbct) R 29634 29636 29532 0 -1 4202496 33538 0 0 0 16150 314 0 0 25 0 1 0 91924767 131907584 29700 1992294400 134512640 136421960 4287807280 18446744073709551615 134861902 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29636/statm: 32204 29700 236 467 0 31735 0
Current children cumulated CPU time (s) 164.64
Current children cumulated vsize (KiB) 128816

[startup+165.101 s]
/proc/loadavg: 0.99 0.97 0.92 2/106 29641
/proc/meminfo: memFree=1746700/2059040 swapFree=4139016/4192956
[pid=29636] ppid=29634 vsize=114444 CPUtime=165.05
/proc/29636/stat : 29636 (pbct) R 29634 29636 29532 0 -1 4202496 33542 0 0 0 16190 315 0 0 25 0 1 0 91924767 117190656 27293 1992294400 134512640 136421960 4287807280 18446744073709551615 135801367 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29636/statm: 28611 27293 239 467 0 28142 0
Current children cumulated CPU time (s) 165.05
Current children cumulated vsize (KiB) 114444

[startup+165.301 s]
/proc/loadavg: 0.99 0.97 0.92 2/106 29641
/proc/meminfo: memFree=1746700/2059040 swapFree=4139016/4192956
[pid=29636] ppid=29634 vsize=113320 CPUtime=165.25
/proc/29636/stat : 29636 (pbct) R 29634 29636 29532 0 -1 4202496 33542 0 0 0 16210 315 0 0 25 0 1 0 91924767 116039680 27012 1992294400 134512640 136421960 4287807280 18446744073709551615 134701458 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29636/statm: 28330 27012 239 467 0 27861 0
Current children cumulated CPU time (s) 165.25
Current children cumulated vsize (KiB) 113320

[startup+165.401 s]
/proc/loadavg: 0.99 0.97 0.92 2/106 29641
/proc/meminfo: memFree=1746700/2059040 swapFree=4139016/4192956
[pid=29636] ppid=29634 vsize=113320 CPUtime=165.35
/proc/29636/stat : 29636 (pbct) R 29634 29636 29532 0 -1 4202496 33542 0 0 0 16220 315 0 0 25 0 1 0 91924767 116039680 27012 1992294400 134512640 136421960 4287807280 18446744073709551615 135806084 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29636/statm: 28330 27012 239 467 0 27861 0
Current children cumulated CPU time (s) 165.35
Current children cumulated vsize (KiB) 113320

Child status: 0
Real time (s): 165.478
CPU time (s): 165.434
CPU user time (s): 162.267
CPU system time (s): 3.16652
CPU usage (%): 99.9733
Max. virtual memory (cumulated for all children) (KiB): 128816

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 162.267
system time used= 3.16652
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 33543
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= 403

runsolver used 0.287956 second user time and 0.774882 second system time

The end

Launcher Data 

Begin job on node087 at 2010-06-26 00:51:52
IDJOB=2681268
IDBENCH=71828
IDSOLVER=1192
FILE ID=node087/2681268-1277506312
PBS_JOBID= 11190594
Free space on /tmp= 62460 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB09/normalized-PB09/OPT-SMALLINT-LIN/featureSubscription/normalized-50-250-false-45-90-4-3000opt.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681268-1277506312/watcher-2681268-1277506312 -o /tmp/evaluation-result-2681268-1277506312/solver-2681268-1277506312 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681268-1277506312.opb

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

MD5SUM BENCH= 948226035ef0280d59f9150dd2b5c694
RANDOM SEED=1523685741

node087.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		: 3000.213
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	: 6000.42
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		: 3000.213
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	: 5999.42
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1866028 kB
Buffers:         24828 kB
Cached:          80112 kB
SwapCached:       5996 kB
Active:          59828 kB
Inactive:        57784 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1866028 kB
SwapTotal:     4192956 kB
SwapFree:      4139016 kB
Dirty:            3996 kB
Writeback:           0 kB
AnonPages:       11372 kB
Mapped:          11876 kB
Slab:            53408 kB
PageTables:       4100 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181340 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= 62456 MiB
End job on node087 at 2010-06-26 00:54:38