Trace number 2667675

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-178 54.5687 54.5872

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 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.89/0.96	c constraints 0/0 clauses 62994/0 units 0
0.89/0.96	c vars 2025
0.89/0.96	c objective 135 + -327
1.99/2.04	c 1.9457 114.57 1 2679
1.99/2.04	o -31
1.99/2.05	c 1.9527 116.086 3 4791
1.99/2.05	o -34
1.99/2.07	c 1.9667 116.086 25 6381
1.99/2.07	o -50
1.99/2.07	c 1.9717 116.086 26 7824
1.99/2.07	o -51
1.99/2.09	c 1.9837 116.086 44 9728
1.99/2.09	o -53
2.10/2.10	c 1.9947 116.086 66 11035
2.10/2.10	o -75
2.10/2.13	c 2.01969 116.086 196 12111
2.10/2.13	o -135
2.10/2.17	c 2.05169 116.215 321 13187
2.10/2.17	o -137
2.10/2.18	c 2.06069 116.215 339 13986
2.10/2.18	o -143
2.10/2.20	c 2.08268 116.215 416 14785
2.10/2.20	o -144
2.20/2.22	c 2.09868 116.215 447 15416
2.20/2.22	o -147
2.20/2.23	c 2.10668 116.215 459 16219
2.20/2.23	o -149
2.20/2.25	c 2.12468 116.215 524 17010
2.20/2.25	o -150
2.20/2.28	c 2.15767 116.215 639 17894
2.20/2.28	o -151
2.29/2.38	c 2.25266 116.344 1094 19284
2.29/2.38	o -152
2.39/2.43	c 2.29765 116.344 1251 20313
2.39/2.43	o -155
2.39/2.47	c 2.33964 116.473 1449 21203
2.39/2.48	o -156
3.20/3.26	c 3.10553 117.379 5603 26773
3.20/3.26	o -157
3.30/3.33	c 3.16452 117.508 5810 27599
3.30/3.33	o -158
3.69/3.76	c 3.57646 117.895 7612 30468
3.69/3.76	o -159
3.89/3.92	c 3.72943 118.023 8146 31740
3.89/3.92	o -160
3.99/4.04	c 3.84442 118.152 8573 32758
3.99/4.04	o -162
4.19/4.27	c 4.06638 118.281 9445 34286
4.19/4.27	o -163
5.19/5.22	c 4.98324 118.977 12866 38762
5.19/5.22	o -164
5.50/5.53	c 5.2822 119.234 13768 40417
5.50/5.53	o -165
5.79/5.88	c 5.62115 119.492 14785 42320
5.79/5.88	o -167
5.89/5.92	c 5.66514 119.492 14871 42951
5.89/5.92	o -168
6.09/6.16	c 5.8991 119.621 15472 44212
6.09/6.16	o -169
6.50/6.50	c 6.23205 119.879 16351 45763
6.50/6.50	o -171
13.09/13.15	c 12.7311 121.516 25704 69485
13.09/13.15	o -173
13.39/13.42	c 12.991 121.516 12581 70993
13.39/13.42	o -174
16.50/16.55	c 16.0576 121.516 11196 82202
16.50/16.55	o -175
18.29/18.33	c 17.7803 121.516 17559 89972
18.29/18.33	o -178
53.98/54.08	c 52.736 121.516 544 224222
53.98/54.08	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-2667675-1276686087/watcher-2667675-1276686087 -o /tmp/evaluation-result-2667675-1276686087/solver-2667675-1276686087 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667675-1276686087.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 0.98 0.99 3/106 12336
/proc/meminfo: memFree=1734096/2059040 swapFree=4136232/4192956
[pid=12336] ppid=12334 vsize=2208 CPUtime=0
/proc/12336/stat : 12336 (pbct) R 12334 12336 11671 0 -1 4202496 257 0 0 0 0 0 0 0 18 0 1 0 44210276 2260992 180 1992294400 134512640 136485738 4291067504 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/12336/statm: 552 180 156 482 0 68 0

[startup+0.0614309 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 12336
/proc/meminfo: memFree=1734096/2059040 swapFree=4136232/4192956
[pid=12336] ppid=12334 vsize=2340 CPUtime=0.05
/proc/12336/stat : 12336 (pbct) R 12334 12336 11671 0 -1 4202496 293 0 0 0 5 0 0 0 18 0 1 0 44210276 2396160 216 1992294400 134512640 136485738 4291067504 18446744073709551615 134547590 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/12336/statm: 585 216 156 482 0 101 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 2340

[startup+0.100438 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 12336
/proc/meminfo: memFree=1734096/2059040 swapFree=4136232/4192956
[pid=12336] ppid=12334 vsize=2472 CPUtime=0.09
/proc/12336/stat : 12336 (pbct) R 12334 12336 11671 0 -1 4202496 311 0 0 0 9 0 0 0 18 0 1 0 44210276 2531328 234 1992294400 134512640 136485738 4291067504 18446744073709551615 135848155 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/12336/statm: 618 234 156 482 0 134 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2472

[startup+0.300477 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 12336
/proc/meminfo: memFree=1734096/2059040 swapFree=4136232/4192956
[pid=12336] ppid=12334 vsize=2868 CPUtime=0.29
/proc/12336/stat : 12336 (pbct) R 12334 12336 11671 0 -1 4202496 426 0 0 0 29 0 0 0 18 0 1 0 44210276 2936832 349 1992294400 134512640 136485738 4291067504 18446744073709551615 135844737 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/12336/statm: 717 349 156 482 0 233 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2868

[startup+0.700555 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 12336
/proc/meminfo: memFree=1734096/2059040 swapFree=4136232/4192956
[pid=12336] ppid=12334 vsize=3920 CPUtime=0.69
/proc/12336/stat : 12336 (pbct) R 12334 12336 11671 0 -1 4202496 688 0 0 0 69 0 0 0 18 0 1 0 44210276 4014080 578 1992294400 134512640 136485738 4291067504 18446744073709551615 135416516 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/12336/statm: 980 578 156 482 0 496 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3920

[startup+1.50071 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 12337
/proc/meminfo: memFree=1727020/2059040 swapFree=4136232/4192956
[pid=12336] ppid=12334 vsize=43516 CPUtime=1.49
/proc/12336/stat : 12336 (pbct) R 12334 12336 11671 0 -1 4202496 11442 0 0 0 145 4 0 0 19 0 1 0 44210276 44560384 10222 1992294400 134512640 136485738 4291067504 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12336/statm: 10879 10223 194 482 0 10395 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 43516

[startup+3.10103 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 12337
/proc/meminfo: memFree=1623728/2059040 swapFree=4136232/4192956
[pid=12336] ppid=12334 vsize=120060 CPUtime=3.09
/proc/12336/stat : 12336 (pbct) R 12334 12336 11671 0 -1 4202496 31446 0 0 0 294 15 0 0 23 0 1 0 44210276 122941440 27888 1992294400 134512640 136485738 4291067504 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12336/statm: 30015 27888 243 482 0 29531 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 120060

[startup+6.30065 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 12337
/proc/meminfo: memFree=1620992/2059040 swapFree=4136232/4192956
[pid=12336] ppid=12334 vsize=122620 CPUtime=6.29
/proc/12336/stat : 12336 (pbct) R 12334 12336 11671 0 -1 4202496 32096 0 0 0 603 26 0 0 25 0 1 0 44210276 125562880 28527 1992294400 134512640 136485738 4291067504 18446744073709551615 134880510 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12336/statm: 30655 28527 243 482 0 30171 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 122620

[startup+12.7009 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 12337
/proc/meminfo: memFree=1619140/2059040 swapFree=4136232/4192956
[pid=12336] ppid=12334 vsize=124164 CPUtime=12.69
/proc/12336/stat : 12336 (pbct) R 12334 12336 11671 0 -1 4202496 32487 0 0 0 1228 41 0 0 25 0 1 0 44210276 127143936 28917 1992294400 134512640 136485738 4291067504 18446744073709551615 134880607 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12336/statm: 31041 28917 243 482 0 30557 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 124164

[startup+25.5004 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 12337
/proc/meminfo: memFree=1618520/2059040 swapFree=4136232/4192956
[pid=12336] ppid=12334 vsize=124428 CPUtime=25.48
/proc/12336/stat : 12336 (pbct) R 12334 12336 11671 0 -1 4202496 32549 0 0 0 2478 70 0 0 25 0 1 0 44210276 127414272 28975 1992294400 134512640 136485738 4291067504 18446744073709551615 134880510 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12336/statm: 31107 28975 243 482 0 30623 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 124428

[startup+51.1004 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 12337
/proc/meminfo: memFree=1618520/2059040 swapFree=4136232/4192956
[pid=12336] ppid=12334 vsize=124428 CPUtime=51.07
/proc/12336/stat : 12336 (pbct) R 12334 12336 11671 0 -1 4202496 32549 0 0 0 4981 126 0 0 25 0 1 0 44210276 127414272 28975 1992294400 134512640 136485738 4291067504 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12336/statm: 31107 28975 243 482 0 30623 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 124428

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

[startup+52.7007 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 12337
/proc/meminfo: memFree=1618520/2059040 swapFree=4136232/4192956
[pid=12336] ppid=12334 vsize=124428 CPUtime=52.68
/proc/12336/stat : 12336 (pbct) R 12334 12336 11671 0 -1 4202496 32549 0 0 0 5138 130 0 0 25 0 1 0 44210276 127414272 28975 1992294400 134512640 136485738 4291067504 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12336/statm: 31107 28975 243 482 0 30623 0
Current children cumulated CPU time (s) 52.68
Current children cumulated vsize (KiB) 124428

[startup+53.5009 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 12337
/proc/meminfo: memFree=1618520/2059040 swapFree=4136232/4192956
[pid=12336] ppid=12334 vsize=124428 CPUtime=53.47
/proc/12336/stat : 12336 (pbct) R 12334 12336 11671 0 -1 4202496 32549 0 0 0 5215 132 0 0 25 0 1 0 44210276 127414272 28975 1992294400 134512640 136485738 4291067504 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12336/statm: 31107 28975 243 482 0 30623 0
Current children cumulated CPU time (s) 53.47
Current children cumulated vsize (KiB) 124428

[startup+54.301 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 12337
/proc/meminfo: memFree=1618520/2059040 swapFree=4136232/4192956
[pid=12336] ppid=12334 vsize=112308 CPUtime=54.27
/proc/12336/stat : 12336 (pbct) R 12334 12336 11671 0 -1 4202496 32554 0 0 0 5294 133 0 0 25 0 1 0 44210276 115003392 27010 1992294400 134512640 136485738 4291067504 18446744073709551615 134720107 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12336/statm: 28077 27010 247 482 0 27593 0
Current children cumulated CPU time (s) 54.27
Current children cumulated vsize (KiB) 112308

[startup+54.5011 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 12337
/proc/meminfo: memFree=1618520/2059040 swapFree=4136232/4192956
[pid=12336] ppid=12334 vsize=112308 CPUtime=54.47
/proc/12336/stat : 12336 (pbct) R 12334 12336 11671 0 -1 4202496 32554 0 0 0 5314 133 0 0 25 0 1 0 44210276 115003392 27010 1992294400 134512640 136485738 4291067504 18446744073709551615 135839940 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12336/statm: 28077 27010 247 482 0 27593 0
Current children cumulated CPU time (s) 54.47
Current children cumulated vsize (KiB) 112308

Child status: 0
Real time (s): 54.5872
CPU time (s): 54.5687
CPU user time (s): 53.2209
CPU system time (s): 1.3478
CPU usage (%): 99.9661
Max. virtual memory (cumulated for all children) (KiB): 124428

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 53.2209
system time used= 1.3478
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 32555
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= 2
involuntary context switches= 69

runsolver used 0.092985 second user time and 0.263959 second system time

The end

Launcher Data 

Begin job on node011 at 2010-06-16 13:01:27
IDJOB=2667675
IDBENCH=71829
IDSOLVER=1170
FILE ID=node011/2667675-1276686087
PBS_JOBID= 11172563
Free space on /tmp= 62360 MiB

SOLVER NAME= PB/CT 0.1
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-2667675-1276686087/watcher-2667675-1276686087 -o /tmp/evaluation-result-2667675-1276686087/solver-2667675-1276686087 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667675-1276686087.opb

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

MD5SUM BENCH= f77d1de307b7db24bfedc4f252c9c297
RANDOM SEED=2084280509

node011.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		: 3000.264
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	: 6000.52
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		: 3000.264
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	: 5599.45
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1734740 kB
Buffers:        126564 kB
Cached:         117372 kB
SwapCached:      10072 kB
Active:         107756 kB
Inactive:       149308 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1734740 kB
SwapTotal:     4192956 kB
SwapFree:      4136232 kB
Dirty:            4112 kB
Writeback:           0 kB
AnonPages:       11704 kB
Mapped:           9292 kB
Slab:            45528 kB
PageTables:       4032 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180576 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= 62356 MiB
End job on node011 at 2010-06-16 13:02:22