Trace number 2681269

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-178 54.1668 54.1801

General information on the benchmark

Name/OPT-SMALLINT-LIN/featureSubscription/
normalized-50-250-false-45-90-4-1000opt.opb
MD5SUMf77d1de307b7db24bfedc4f252c9c297
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-178
Best CPU time to get the best result obtained on this benchmark14.0229
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 constraints62994
Number of constraints which are clauses62994
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 327
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 327
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
0.69/0.73	c constraints 0/0 clauses 62994/0 units 0
0.69/0.73	c vars 2025
0.69/0.73	c objective 135 + -327
1.69/1.75	c 1.64375 114.496 1 2679
1.69/1.75	o -31
1.69/1.76	c 1.65275 116.012 3 4791
1.69/1.76	o -34
1.69/1.78	c 1.66575 116.012 25 6381
1.69/1.78	o -50
1.69/1.78	c 1.67274 116.012 26 7824
1.69/1.78	o -51
1.79/1.80	c 1.68374 116.012 44 9728
1.79/1.80	o -53
1.79/1.81	c 1.69374 116.012 66 11035
1.79/1.81	o -75
1.79/1.84	c 1.72074 116.012 196 12111
1.79/1.84	o -135
1.79/1.88	c 1.75373 116.141 321 13187
1.79/1.88	o -137
1.79/1.89	c 1.76473 116.141 339 13986
1.79/1.89	o -143
1.89/1.91	c 1.78473 116.141 416 14785
1.89/1.91	o -144
1.89/1.93	c 1.79973 116.141 447 15416
1.89/1.93	o -147
1.89/1.94	c 1.81072 116.141 459 16219
1.89/1.94	o -149
1.89/1.96	c 1.83172 116.141 524 17010
1.89/1.96	o -150
1.89/1.99	c 1.86272 116.141 639 17894
1.89/1.99	o -151
2.10/2.10	c 1.9607 116.27 1094 19284
2.10/2.10	o -152
2.10/2.14	c 2.0027 116.27 1251 20313
2.10/2.14	o -155
2.10/2.19	c 2.04769 116.398 1449 21203
2.10/2.19	o -156
2.89/2.98	c 2.81457 117.309 5603 26773
2.89/2.98	o -157
2.99/3.04	c 2.87356 117.438 5810 27599
2.99/3.04	o -158
3.39/3.48	c 3.2885 117.824 7612 30468
3.39/3.48	o -159
3.59/3.64	c 3.44348 117.953 8146 31740
3.59/3.64	o -160
3.69/3.76	c 3.56046 118.082 8573 32758
3.69/3.76	o -162
3.89/3.99	c 3.78542 118.211 9445 34286
3.89/3.99	o -163
4.89/4.94	c 4.71528 118.906 12866 38762
4.89/4.94	o -164
5.19/5.24	c 5.01324 119.164 13768 40417
5.19/5.24	o -165
5.50/5.59	c 5.35419 119.422 14785 42320
5.50/5.59	o -167
5.59/5.64	c 5.39718 119.422 14871 42951
5.59/5.64	o -168
5.79/5.88	c 5.63614 119.551 15472 44212
5.79/5.88	o -169
6.19/6.22	c 5.96309 119.809 16351 45763
6.19/6.22	o -171
12.78/12.83	c 12.4371 121.445 25704 69485
12.78/12.83	o -173
13.10/13.10	c 12.7081 121.445 12581 70993
13.10/13.10	o -174
16.18/16.24	c 15.7766 121.445 11196 82202
16.18/16.24	o -175
17.98/18.01	c 17.5093 121.445 17559 89972
17.98/18.01	o -178
53.58/53.68	c 52.452 121.445 544 224222
53.58/53.68	s OPTIMUM FOUND
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Verifier Data 

OK	-178

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2681269-1277506317/watcher-2681269-1277506317 -o /tmp/evaluation-result-2681269-1277506317/solver-2681269-1277506317 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681269-1277506317.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: 0.90 0.97 0.99 3/106 30874
/proc/meminfo: memFree=1841484/2059040 swapFree=4140192/4192956
[pid=30874] ppid=30872 vsize=2136 CPUtime=0
/proc/30874/stat : 30874 (pbct) R 30872 30874 30768 0 -1 4202496 251 0 0 0 0 0 0 0 20 0 1 0 91924508 2187264 170 1992294400 134512640 136421960 4288768384 18446744073709551615 135152296 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30874/statm: 534 170 145 467 0 65 0

[startup+0.02313 s]
/proc/loadavg: 0.90 0.97 0.99 3/106 30874
/proc/meminfo: memFree=1841484/2059040 swapFree=4140192/4192956
[pid=30874] ppid=30872 vsize=2136 CPUtime=0.02
/proc/30874/stat : 30874 (pbct) R 30872 30874 30768 0 -1 4202496 266 0 0 0 2 0 0 0 20 0 1 0 91924508 2187264 185 1992294400 134512640 136421960 4288768384 18446744073709551615 135818268 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30874/statm: 534 185 145 467 0 65 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 2136

[startup+0.101138 s]
/proc/loadavg: 0.90 0.97 0.99 3/106 30874
/proc/meminfo: memFree=1841484/2059040 swapFree=4140192/4192956
[pid=30874] ppid=30872 vsize=2400 CPUtime=0.1
/proc/30874/stat : 30874 (pbct) R 30872 30874 30768 0 -1 4202496 326 0 0 0 10 0 0 0 20 0 1 0 91924508 2457600 245 1992294400 134512640 136421960 4288768384 18446744073709551615 134531824 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30874/statm: 600 245 145 467 0 131 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2400

[startup+0.301159 s]
/proc/loadavg: 0.90 0.97 0.99 3/106 30874
/proc/meminfo: memFree=1841484/2059040 swapFree=4140192/4192956
[pid=30874] ppid=30872 vsize=3060 CPUtime=0.29
/proc/30874/stat : 30874 (pbct) R 30872 30874 30768 0 -1 4202496 474 0 0 0 29 0 0 0 20 0 1 0 91924508 3133440 393 1992294400 134512640 136421960 4288768384 18446744073709551615 135154803 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30874/statm: 765 393 145 467 0 296 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3060

[startup+0.701203 s]
/proc/loadavg: 0.90 0.97 0.99 3/106 30874
/proc/meminfo: memFree=1841484/2059040 swapFree=4140192/4192956
[pid=30874] ppid=30872 vsize=4244 CPUtime=0.69
/proc/30874/stat : 30874 (pbct) R 30872 30874 30768 0 -1 4202496 809 0 0 0 69 0 0 0 21 0 1 0 91924508 4345856 695 1992294400 134512640 136421960 4288768384 18446744073709551615 134531575 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30874/statm: 1061 695 145 467 0 592 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4244

[startup+1.50129 s]
/proc/loadavg: 0.90 0.97 0.99 2/107 30875
/proc/meminfo: memFree=1816056/2059040 swapFree=4140192/4192956
[pid=30874] ppid=30872 vsize=113640 CPUtime=1.49
/proc/30874/stat : 30874 (pbct) R 30872 30874 30768 0 -1 4202496 29638 0 0 0 139 10 0 0 23 0 1 0 91924508 116367360 26483 1992294400 134512640 136421960 4288768384 18446744073709551615 135818247 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30874/statm: 28410 26483 204 467 0 27941 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 113640

[startup+3.10146 s]
/proc/loadavg: 0.90 0.97 0.99 2/107 30875
/proc/meminfo: memFree=1730992/2059040 swapFree=4140192/4192956
[pid=30874] ppid=30872 vsize=120252 CPUtime=3.09
/proc/30874/stat : 30874 (pbct) R 30872 30874 30768 0 -1 4202496 31521 0 0 0 292 17 0 0 25 0 1 0 91924508 123138048 27957 1992294400 134512640 136421960 4288768384 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30874/statm: 30063 27957 236 467 0 29594 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 120252

[startup+6.30081 s]
/proc/loadavg: 0.91 0.97 0.99 2/107 30875
/proc/meminfo: memFree=1728264/2059040 swapFree=4140192/4192956
[pid=30874] ppid=30872 vsize=122680 CPUtime=6.29
/proc/30874/stat : 30874 (pbct) R 30872 30874 30768 0 -1 4202496 32136 0 0 0 604 25 0 0 25 0 1 0 91924508 125624320 28562 1992294400 134512640 136421960 4288768384 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30874/statm: 30670 28562 236 467 0 30201 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 122680

[startup+12.7005 s]
/proc/loadavg: 0.91 0.97 0.99 2/107 30875
/proc/meminfo: memFree=1726280/2059040 swapFree=4140192/4192956
[pid=30874] ppid=30872 vsize=124224 CPUtime=12.69
/proc/30874/stat : 30874 (pbct) R 30872 30874 30768 0 -1 4202496 32526 0 0 0 1231 38 0 0 25 0 1 0 91924508 127205376 28952 1992294400 134512640 136421960 4288768384 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30874/statm: 31056 28952 236 467 0 30587 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 124224

[startup+25.5009 s]
/proc/loadavg: 0.93 0.97 0.99 2/107 30877
/proc/meminfo: memFree=1725784/2059040 swapFree=4140192/4192956
[pid=30874] ppid=30872 vsize=124356 CPUtime=25.48
/proc/30874/stat : 30874 (pbct) R 30872 30874 30768 0 -1 4202496 32545 0 0 0 2482 66 0 0 25 0 1 0 91924508 127340544 28967 1992294400 134512640 136421960 4288768384 18446744073709551615 134862299 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30874/statm: 31089 28967 236 467 0 30620 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 124356

[startup+51.1007 s]
/proc/loadavg: 0.95 0.97 0.99 2/107 30877
/proc/meminfo: memFree=1725784/2059040 swapFree=4140192/4192956
[pid=30874] ppid=30872 vsize=124356 CPUtime=51.08
/proc/30874/stat : 30874 (pbct) R 30872 30874 30768 0 -1 4202496 32545 0 0 0 4991 117 0 0 25 0 1 0 91924508 127340544 28967 1992294400 134512640 136421960 4288768384 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30874/statm: 31089 28967 236 467 0 30620 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 124356

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

[startup+52.7009 s]
/proc/loadavg: 0.96 0.97 0.99 2/107 30877
/proc/meminfo: memFree=1725784/2059040 swapFree=4140192/4192956
[pid=30874] ppid=30872 vsize=124356 CPUtime=52.68
/proc/30874/stat : 30874 (pbct) R 30872 30874 30768 0 -1 4202496 32545 0 0 0 5149 119 0 0 25 0 1 0 91924508 127340544 28967 1992294400 134512640 136421960 4288768384 18446744073709551615 134861902 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30874/statm: 31089 28967 236 467 0 30620 0
Current children cumulated CPU time (s) 52.68
Current children cumulated vsize (KiB) 124356

[startup+53.502 s]
/proc/loadavg: 0.96 0.97 0.99 2/107 30877
/proc/meminfo: memFree=1725784/2059040 swapFree=4140192/4192956
[pid=30874] ppid=30872 vsize=124356 CPUtime=53.48
/proc/30874/stat : 30874 (pbct) R 30872 30874 30768 0 -1 4202496 32545 0 0 0 5227 121 0 0 25 0 1 0 91924508 127340544 28967 1992294400 134512640 136421960 4288768384 18446744073709551615 134861907 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30874/statm: 31089 28967 236 467 0 30620 0
Current children cumulated CPU time (s) 53.48
Current children cumulated vsize (KiB) 124356

[startup+53.909 s]
/proc/loadavg: 0.96 0.97 0.99 2/107 30877
/proc/meminfo: memFree=1732232/2059040 swapFree=4140192/4192956
[pid=30874] ppid=30872 vsize=111632 CPUtime=53.88
/proc/30874/stat : 30874 (pbct) R 30872 30874 30768 0 -1 4202496 32549 0 0 0 5267 121 0 0 25 0 1 0 91924508 114311168 26852 1992294400 134512640 136421960 4288768384 18446744073709551615 134701442 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30874/statm: 27908 26852 239 467 0 27439 0
Current children cumulated CPU time (s) 53.88
Current children cumulated vsize (KiB) 111632

[startup+54.102 s]
/proc/loadavg: 0.96 0.97 0.99 2/107 30877
/proc/meminfo: memFree=1732232/2059040 swapFree=4140192/4192956
[pid=30874] ppid=30872 vsize=111632 CPUtime=54.08
/proc/30874/stat : 30874 (pbct) R 30872 30874 30768 0 -1 4202496 32549 0 0 0 5287 121 0 0 25 0 1 0 91924508 114311168 26852 1992294400 134512640 136421960 4288768384 18446744073709551615 135805345 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30874/statm: 27908 26852 239 467 0 27439 0
Current children cumulated CPU time (s) 54.08
Current children cumulated vsize (KiB) 111632

Child status: 0
Real time (s): 54.1801
CPU time (s): 54.1668
CPU user time (s): 52.939
CPU system time (s): 1.22781
CPU usage (%): 99.9754
Max. virtual memory (cumulated for all children) (KiB): 124356

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 52.939
system time used= 1.22781
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 32550
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= 126

runsolver used 0.111982 second user time and 0.243962 second system time

The end

Launcher Data 

Begin job on node037 at 2010-06-26 00:51:57
IDJOB=2681269
IDBENCH=71829
IDSOLVER=1192
FILE ID=node037/2681269-1277506317
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-50-250-false-45-90-4-1000opt.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681269-1277506317/watcher-2681269-1277506317 -o /tmp/evaluation-result-2681269-1277506317/solver-2681269-1277506317 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681269-1277506317.opb

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

MD5SUM BENCH= f77d1de307b7db24bfedc4f252c9c297
RANDOM SEED=257487492

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:       1842004 kB
Buffers:         35180 kB
Cached:          86032 kB
SwapCached:       5520 kB
Active:          70380 kB
Inactive:        63716 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1842004 kB
SwapTotal:     4192956 kB
SwapFree:      4140192 kB
Dirty:            4216 kB
Writeback:           0 kB
AnonPages:       11468 kB
Mapped:          11884 kB
Slab:            60876 kB
PageTables:       4168 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 00:52:51