Trace number 2667679

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 0.1OPT-193 70.5673 70.5911

General information on the benchmark

Name/OPT-SMALLINT-LIN/featureSubscription/
normalized-50-250-false-45-90-4-9000opt.opb
MD5SUM45bb740026f369f3965355a2a9c7d86d
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-193
Best CPU time to get the best result obtained on this benchmark15.9096
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 constraints63333
Number of constraints which are clauses63333
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 364
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 364
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 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.89/0.98	c constraints 0/0 clauses 63333/0 units 0
0.89/0.98	c vars 2025
0.89/0.98	c objective 135 + -364
1.99/2.06	c 1.9587 116.059 0 1793
1.99/2.06	o -52
1.99/2.07	c 1.9647 117.582 3 3620
1.99/2.07	o -53
1.99/2.09	c 1.9747 117.582 28 5116
1.99/2.09	o -64
2.10/2.10	c 1.9847 117.582 46 6585
2.10/2.10	o -65
2.10/2.12	c 2.0027 117.582 82 8187
2.10/2.12	o -92
2.10/2.13	c 2.01169 117.582 99 9128
2.10/2.13	o -168
2.20/2.21	c 2.09368 117.582 498 10532
2.20/2.21	o -169
2.20/2.23	c 2.11268 117.582 544 11377
2.20/2.23	o -170
2.29/2.30	c 2.17267 117.582 849 12516
2.29/2.30	o -171
2.39/2.46	c 2.32165 117.582 1618 14176
2.39/2.46	o -172
2.39/2.47	c 2.33365 117.582 1631 14823
2.39/2.47	o -174
2.48/2.50	c 2.35964 117.582 1731 15573
2.48/2.50	o -176
2.48/2.50	c 2.36364 117.582 1731 16166
2.48/2.50	o -178
2.48/2.51	c 2.36764 117.582 1734 16796
2.48/2.51	o -179
2.59/2.69	c 2.52861 117.711 2540 18444
2.59/2.69	o -181
3.39/3.42	c 3.23551 118.496 6141 23232
3.39/3.42	o -184
3.39/3.48	c 3.2925 118.496 6370 24127
3.39/3.48	o -186
6.19/6.28	c 6.03308 120.59 16735 36979
6.19/6.28	o -187
7.70/7.71	c 7.44087 121.395 20461 42212
7.70/7.71	o -188
14.08/14.13	c 13.7219 121.652 19233 65980
14.08/14.13	o -190
14.49/14.51	c 14.0839 121.652 20084 67568
14.49/14.51	o -191
19.99/20.00	c 19.472 121.652 16720 88707
19.99/20.00	o -193
69.97/70.09	c 68.5686 122.359 514 275987
69.97/70.09	s OPTIMUM FOUND
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Verifier Data 

OK	-193

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2667679-1276686906/watcher-2667679-1276686906 -o /tmp/evaluation-result-2667679-1276686906/solver-2667679-1276686906 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667679-1276686906.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: 1.42 1.09 1.03 2/106 10405
/proc/meminfo: memFree=1747184/2059040 swapFree=4135932/4192956
[pid=10405] ppid=10403 vsize=2208 CPUtime=0
/proc/10405/stat : 10405 (pbct) R 10403 10405 10241 0 -1 4202496 254 0 0 0 0 0 0 0 23 0 1 0 44291980 2260992 177 1992294400 134512640 136485738 4291743136 18446744073709551615 134538086 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/10405/statm: 552 177 156 482 0 68 0

[startup+0.092159 s]
/proc/loadavg: 1.42 1.09 1.03 2/106 10405
/proc/meminfo: memFree=1747184/2059040 swapFree=4135932/4192956
[pid=10405] ppid=10403 vsize=2340 CPUtime=0.08
/proc/10405/stat : 10405 (pbct) R 10403 10405 10241 0 -1 4202496 304 0 0 0 8 0 0 0 23 0 1 0 44291980 2396160 227 1992294400 134512640 136485738 4291743136 18446744073709551615 135848177 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/10405/statm: 585 227 156 482 0 101 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 2340

[startup+0.101159 s]
/proc/loadavg: 1.42 1.09 1.03 2/106 10405
/proc/meminfo: memFree=1747184/2059040 swapFree=4135932/4192956
[pid=10405] ppid=10403 vsize=2340 CPUtime=0.09
/proc/10405/stat : 10405 (pbct) R 10403 10405 10241 0 -1 4202496 309 0 0 0 9 0 0 0 23 0 1 0 44291980 2396160 232 1992294400 134512640 136485738 4291743136 18446744073709551615 135559856 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/10405/statm: 585 232 156 482 0 101 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2340

[startup+0.301178 s]
/proc/loadavg: 1.42 1.09 1.03 2/106 10405
/proc/meminfo: memFree=1747184/2059040 swapFree=4135932/4192956
[pid=10405] ppid=10403 vsize=2868 CPUtime=0.29
/proc/10405/stat : 10405 (pbct) R 10403 10405 10241 0 -1 4202496 422 0 0 0 29 0 0 0 24 0 1 0 44291980 2936832 345 1992294400 134512640 136485738 4291743136 18446744073709551615 134563009 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/10405/statm: 717 345 156 482 0 233 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2868

[startup+0.701215 s]
/proc/loadavg: 1.42 1.09 1.03 2/106 10405
/proc/meminfo: memFree=1747184/2059040 swapFree=4135932/4192956
[pid=10405] ppid=10403 vsize=3788 CPUtime=0.69
/proc/10405/stat : 10405 (pbct) R 10403 10405 10241 0 -1 4202496 684 0 0 0 69 0 0 0 25 0 1 0 44291980 3878912 574 1992294400 134512640 136485738 4291743136 18446744073709551615 135856828 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/10405/statm: 947 574 156 482 0 463 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3788

[startup+1.50129 s]
/proc/loadavg: 1.38 1.09 1.03 2/107 10406
/proc/meminfo: memFree=1741968/2059040 swapFree=4135932/4192956
[pid=10405] ppid=10403 vsize=42592 CPUtime=1.48
/proc/10405/stat : 10405 (pbct) R 10403 10405 10241 0 -1 4202496 11180 0 0 0 145 3 0 0 25 0 1 0 44291980 43614208 9962 1992294400 134512640 136485738 4291743136 18446744073709551615 134736591 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/10405/statm: 10648 9964 194 482 0 10164 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 42592

[startup+3.10144 s]
/proc/loadavg: 1.38 1.09 1.03 2/107 10406
/proc/meminfo: memFree=1635576/2059040 swapFree=4135932/4192956
[pid=10405] ppid=10403 vsize=120928 CPUtime=3.08
/proc/10405/stat : 10405 (pbct) R 10403 10405 10241 0 -1 4202496 31550 0 0 0 292 16 0 0 25 0 1 0 44291980 123830272 27990 1992294400 134512640 136485738 4291743136 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/10405/statm: 30232 27990 243 482 0 29748 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 120928

[startup+6.30074 s]
/proc/loadavg: 1.35 1.09 1.03 2/107 10406
/proc/meminfo: memFree=1633592/2059040 swapFree=4135932/4192956
[pid=10405] ppid=10403 vsize=123612 CPUtime=6.28
/proc/10405/stat : 10405 (pbct) R 10403 10405 10241 0 -1 4202496 32205 0 0 0 604 24 0 0 25 0 1 0 44291980 126578688 28642 1992294400 134512640 136485738 4291743136 18446744073709551615 134880510 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/10405/statm: 30903 28642 243 482 0 30419 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 123612

[startup+12.7013 s]
/proc/loadavg: 1.32 1.09 1.02 2/107 10406
/proc/meminfo: memFree=1631856/2059040 swapFree=4135932/4192956
[pid=10405] ppid=10403 vsize=124568 CPUtime=12.68
/proc/10405/stat : 10405 (pbct) R 10403 10405 10241 0 -1 4202496 32447 0 0 0 1231 37 0 0 25 0 1 0 44291980 127557632 28883 1992294400 134512640 136485738 4291743136 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/10405/statm: 31142 28883 243 482 0 30658 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 124568

[startup+25.5005 s]
/proc/loadavg: 1.25 1.08 1.02 2/107 10408
/proc/meminfo: memFree=1631856/2059040 swapFree=4135932/4192956
[pid=10405] ppid=10403 vsize=124568 CPUtime=25.48
/proc/10405/stat : 10405 (pbct) R 10403 10405 10241 0 -1 4202496 32450 0 0 0 2485 63 0 0 25 0 1 0 44291980 127557632 28883 1992294400 134512640 136485738 4291743136 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/10405/statm: 31142 28883 243 482 0 30658 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 124568

[startup+51.1009 s]
/proc/loadavg: 1.16 1.07 1.02 2/107 10408
/proc/meminfo: memFree=1631360/2059040 swapFree=4135932/4192956
[pid=10405] ppid=10403 vsize=124972 CPUtime=51.08
/proc/10405/stat : 10405 (pbct) R 10403 10405 10241 0 -1 4202496 32561 0 0 0 4995 113 0 0 25 0 1 0 44291980 127971328 28994 1992294400 134512640 136485738 4291743136 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/10405/statm: 31243 28994 243 482 0 30759 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 124972

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

[startup+63.9011 s]
/proc/loadavg: 1.14 1.07 1.02 2/107 10408
/proc/meminfo: memFree=1631360/2059040 swapFree=4135932/4192956
[pid=10405] ppid=10403 vsize=124972 CPUtime=63.87
/proc/10405/stat : 10405 (pbct) R 10403 10405 10241 0 -1 4202496 32572 0 0 0 6250 137 0 0 25 0 1 0 44291980 127971328 29005 1992294400 134512640 136485738 4291743136 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/10405/statm: 31243 29005 243 482 0 30759 0
Current children cumulated CPU time (s) 63.87
Current children cumulated vsize (KiB) 124972

[startup+67.1084 s]
/proc/loadavg: 1.13 1.07 1.02 2/107 10408
/proc/meminfo: memFree=1631360/2059040 swapFree=4135932/4192956
[pid=10405] ppid=10403 vsize=124972 CPUtime=67.08
/proc/10405/stat : 10405 (pbct) R 10403 10405 10241 0 -1 4202496 32575 0 0 0 6563 145 0 0 25 0 1 0 44291980 127971328 29008 1992294400 134512640 136485738 4291743136 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/10405/statm: 31243 29008 243 482 0 30759 0
Current children cumulated CPU time (s) 67.08
Current children cumulated vsize (KiB) 124972

[startup+68.7006 s]
/proc/loadavg: 1.13 1.07 1.02 2/107 10408
/proc/meminfo: memFree=1631360/2059040 swapFree=4135932/4192956
[pid=10405] ppid=10403 vsize=125292 CPUtime=68.66
/proc/10405/stat : 10405 (pbct) R 10403 10405 10241 0 -1 4202496 32616 0 0 0 6719 147 0 0 25 0 1 0 44291980 128299008 29049 1992294400 134512640 136485738 4291743136 18446744073709551615 134880611 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/10405/statm: 31323 29049 243 482 0 30839 0
Current children cumulated CPU time (s) 68.66
Current children cumulated vsize (KiB) 125292

[startup+69.5016 s]
/proc/loadavg: 1.13 1.07 1.02 2/107 10408
/proc/meminfo: memFree=1631236/2059040 swapFree=4135932/4192956
[pid=10405] ppid=10403 vsize=125292 CPUtime=69.47
/proc/10405/stat : 10405 (pbct) R 10403 10405 10241 0 -1 4202496 32618 0 0 0 6798 149 0 0 25 0 1 0 44291980 128299008 29051 1992294400 134512640 136485738 4291743136 18446744073709551615 134880510 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/10405/statm: 31323 29051 243 482 0 30839 0
Current children cumulated CPU time (s) 69.47
Current children cumulated vsize (KiB) 125292

[startup+70.3017 s]
/proc/loadavg: 1.12 1.07 1.02 2/107 10408
/proc/meminfo: memFree=1638924/2059040 swapFree=4135932/4192956
[pid=10405] ppid=10403 vsize=112244 CPUtime=70.27
/proc/10405/stat : 10405 (pbct) R 10403 10405 10241 0 -1 4202496 32623 0 0 0 6878 149 0 0 25 0 1 0 44291980 114937856 26993 1992294400 134512640 136485738 4291743136 18446744073709551615 134720078 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/10405/statm: 28061 26993 247 482 0 27577 0
Current children cumulated CPU time (s) 70.27
Current children cumulated vsize (KiB) 112244

[startup+70.5017 s]
/proc/loadavg: 1.12 1.07 1.02 2/107 10408
/proc/meminfo: memFree=1638924/2059040 swapFree=4135932/4192956
[pid=10405] ppid=10403 vsize=112244 CPUtime=70.47
/proc/10405/stat : 10405 (pbct) R 10403 10405 10241 0 -1 4202496 32623 0 0 0 6898 149 0 0 25 0 1 0 44291980 114937856 26993 1992294400 134512640 136485738 4291743136 18446744073709551615 135839940 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/10405/statm: 28061 26993 247 482 0 27577 0
Current children cumulated CPU time (s) 70.47
Current children cumulated vsize (KiB) 112244

Child status: 0
Real time (s): 70.5911
CPU time (s): 70.5673
CPU user time (s): 69.0565
CPU system time (s): 1.51077
CPU usage (%): 99.9663
Max. virtual memory (cumulated for all children) (KiB): 125292

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 69.0565
system time used= 1.51077
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 32624
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= 116

runsolver used 0.118981 second user time and 0.344947 second system time

The end

Launcher Data 

Begin job on node015 at 2010-06-16 13:15:07
IDJOB=2667679
IDBENCH=71833
IDSOLVER=1170
FILE ID=node015/2667679-1276686906
PBS_JOBID= 11172603
Free space on /tmp= 62580 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB09/normalized-PB09/OPT-SMALLINT-LIN/featureSubscription/normalized-50-250-false-45-90-4-9000opt.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2667679-1276686906/watcher-2667679-1276686906 -o /tmp/evaluation-result-2667679-1276686906/solver-2667679-1276686906 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667679-1276686906.opb

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

MD5SUM BENCH= 45bb740026f369f3965355a2a9c7d86d
RANDOM SEED=1749329310

node015.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		: 3000.244
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	: 6000.48
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		: 3000.244
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	: 5599.36
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1747712 kB
Buffers:        113872 kB
Cached:         117512 kB
SwapCached:      10876 kB
Active:         106248 kB
Inactive:       139344 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1747712 kB
SwapTotal:     4192956 kB
SwapFree:      4135932 kB
Dirty:            4044 kB
Writeback:           0 kB
AnonPages:       12620 kB
Mapped:           9304 kB
Slab:            44016 kB
PageTables:       4052 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182124 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= 62580 MiB
End job on node015 at 2010-06-16 13:16:17