Trace number 2667678

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-74 10.5524 10.557

General information on the benchmark

Name/OPT-SMALLINT-LIN/featureSubscription/
normalized-50-750-false-45-90-4-6000opt.opb
MD5SUM192cb779697d7c2a638768a8111e4eb9
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-74
Best CPU time to get the best result obtained on this benchmark10.3384
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 constraints30070
Number of constraints which are clauses30070
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 352
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 352
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
0.39/0.45	c constraints 0/0 clauses 30070/0 units 0
0.39/0.45	c vars 2025
0.39/0.45	c objective 135 + -352
0.89/0.99	c 0.929858 58.457 0 1867
0.89/0.99	o -11
0.89/1.00	c 0.933858 59.2227 0 3716
0.89/1.00	o -13
0.99/1.00	c 0.937857 59.2227 0 5565
0.99/1.00	o -17
0.99/1.01	c 0.938857 59.2227 0 7347
0.99/1.01	o -18
0.99/1.02	c 0.941856 59.2227 0 9110
0.99/1.02	o -21
0.99/1.02	c 0.946856 59.2227 2 11515
0.99/1.02	o -23
0.99/1.04	c 0.958854 59.2227 87 14355
0.99/1.04	o -24
0.99/1.05	c 0.962853 59.2227 111 16297
0.99/1.05	o -27
0.99/1.06	c 0.968852 59.2227 126 18029
0.99/1.06	o -28
0.99/1.07	c 0.977851 59.2227 179 19962
0.99/1.07	o -30
0.99/1.08	c 0.98385 59.2227 202 21771
0.99/1.08	o -32
0.99/1.09	c 0.991849 59.2227 227 23439
0.99/1.09	o -34
0.99/1.10	c 1.00085 59.2227 282 25233
0.99/1.10	o -35
1.10/1.11	c 1.00585 59.2227 307 27014
1.10/1.11	o -38
1.10/1.11	c 1.00985 59.2227 312 28688
1.10/1.11	o -39
1.10/1.13	c 1.02184 59.2227 390 30638
1.10/1.13	o -41
1.10/1.13	c 1.02984 59.2227 415 32319
1.10/1.13	o -50
1.10/1.16	c 1.04984 59.2227 601 34393
1.10/1.16	o -51
1.10/1.17	c 1.05584 59.2227 613 35866
1.10/1.17	o -54
1.10/1.18	c 1.06784 59.2227 703 37599
1.10/1.18	o -55
1.10/1.19	c 1.07284 59.2227 717 39092
1.10/1.19	o -65
1.18/1.21	c 1.08683 59.2227 830 40848
1.18/1.21	o -66
1.29/1.30	c 1.17482 59.2227 1664 43300
1.29/1.30	o -67
1.58/1.68	c 1.54076 59.9961 4657 48089
1.58/1.68	o -68
1.69/1.74	c 1.59576 60.125 4985 49814
1.69/1.74	o -70
2.10/2.20	c 2.03069 60.7969 7810 54284
2.10/2.20	o -73
2.79/2.81	c 2.6206 61.4414 5980 59160
2.79/2.81	o -74
10.29/10.30	c 9.8785 61.957 1241 102685
10.29/10.30	s OPTIMUM FOUND
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Verifier Data 

OK	-74

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2667678-1276686766/watcher-2667678-1276686766 -o /tmp/evaluation-result-2667678-1276686766/solver-2667678-1276686766 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667678-1276686766.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: 0.92 0.98 0.99 3/106 10266
/proc/meminfo: memFree=1749220/2059040 swapFree=4135932/4192956
[pid=10266] ppid=10264 vsize=2208 CPUtime=0
/proc/10266/stat : 10266 (pbct) R 10264 10266 10241 0 -1 4202496 257 0 0 0 0 0 0 0 19 0 1 0 44277968 2260992 179 1992294400 134512640 136485738 4291787712 18446744073709551615 134549636 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/10266/statm: 552 179 156 482 0 68 0

[startup+0.0692851 s]
/proc/loadavg: 0.92 0.98 0.99 3/106 10266
/proc/meminfo: memFree=1749220/2059040 swapFree=4135932/4192956
[pid=10266] ppid=10264 vsize=2340 CPUtime=0.06
/proc/10266/stat : 10266 (pbct) R 10264 10266 10241 0 -1 4202496 294 0 0 0 6 0 0 0 19 0 1 0 44277968 2396160 216 1992294400 134512640 136485738 4291787712 18446744073709551615 134548841 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/10266/statm: 585 216 156 482 0 101 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 2340

[startup+0.100287 s]
/proc/loadavg: 0.92 0.98 0.99 3/106 10266
/proc/meminfo: memFree=1749220/2059040 swapFree=4135932/4192956
[pid=10266] ppid=10264 vsize=2472 CPUtime=0.09
/proc/10266/stat : 10266 (pbct) R 10264 10266 10241 0 -1 4202496 312 0 0 0 9 0 0 0 19 0 1 0 44277968 2531328 234 1992294400 134512640 136485738 4291787712 18446744073709551615 135850714 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/10266/statm: 618 234 156 482 0 134 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2472

[startup+0.300307 s]
/proc/loadavg: 0.92 0.98 0.99 3/106 10266
/proc/meminfo: memFree=1749220/2059040 swapFree=4135932/4192956
[pid=10266] ppid=10264 vsize=2868 CPUtime=0.29
/proc/10266/stat : 10266 (pbct) R 10264 10266 10241 0 -1 4202496 428 0 0 0 29 0 0 0 20 0 1 0 44277968 2936832 350 1992294400 134512640 136485738 4291787712 18446744073709551615 135856871 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/10266/statm: 717 350 156 482 0 233 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2868

[startup+0.700344 s]
/proc/loadavg: 0.92 0.98 0.99 3/106 10266
/proc/meminfo: memFree=1749220/2059040 swapFree=4135932/4192956
[pid=10266] ppid=10264 vsize=23712 CPUtime=0.69
/proc/10266/stat : 10266 (pbct) R 10264 10266 10241 0 -1 4202496 5889 0 0 0 67 2 0 0 20 0 1 0 44277968 24281088 5341 1992294400 134512640 136485738 4291787712 18446744073709551615 135848955 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/10266/statm: 5928 5341 194 482 0 5444 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 23712

[startup+1.50042 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 10267
/proc/meminfo: memFree=1692296/2059040 swapFree=4135932/4192956
[pid=10266] ppid=10264 vsize=61036 CPUtime=1.49
/proc/10266/stat : 10266 (pbct) R 10264 10266 10241 0 -1 4202496 15698 0 0 0 136 13 0 0 23 0 1 0 44277968 62500864 14515 1992294400 134512640 136485738 4291787712 18446744073709551615 134880669 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/10266/statm: 15259 14515 243 482 0 14775 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 61036

[startup+3.10057 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 10267
/proc/meminfo: memFree=1690560/2059040 swapFree=4135932/4192956
[pid=10266] ppid=10264 vsize=62912 CPUtime=3.09
/proc/10266/stat : 10266 (pbct) R 10264 10266 10241 0 -1 4202496 16167 0 0 0 290 19 0 0 25 0 1 0 44277968 64421888 14980 1992294400 134512640 136485738 4291787712 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/10266/statm: 15728 14980 243 482 0 15244 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 62912

[startup+6.30187 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 10267
/proc/meminfo: memFree=1689568/2059040 swapFree=4135932/4192956
[pid=10266] ppid=10264 vsize=62912 CPUtime=6.29
/proc/10266/stat : 10266 (pbct) R 10264 10266 10241 0 -1 4202496 16168 0 0 0 601 28 0 0 25 0 1 0 44277968 64421888 14981 1992294400 134512640 136485738 4291787712 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/10266/statm: 15728 14981 243 482 0 15244 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 62912

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

[startup+7.90202 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 10267
/proc/meminfo: memFree=1689196/2059040 swapFree=4135932/4192956
[pid=10266] ppid=10264 vsize=63440 CPUtime=7.88
/proc/10266/stat : 10266 (pbct) R 10264 10266 10241 0 -1 4202496 16281 0 0 0 753 35 0 0 25 0 1 0 44277968 64962560 15094 1992294400 134512640 136485738 4291787712 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/10266/statm: 15860 15094 243 482 0 15376 0
Current children cumulated CPU time (s) 7.88
Current children cumulated vsize (KiB) 63440

[startup+9.50117 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 10267
/proc/meminfo: memFree=1689196/2059040 swapFree=4135932/4192956
[pid=10266] ppid=10264 vsize=63440 CPUtime=9.49
/proc/10266/stat : 10266 (pbct) R 10264 10266 10241 0 -1 4202496 16281 0 0 0 909 40 0 0 25 0 1 0 44277968 64962560 15094 1992294400 134512640 136485738 4291787712 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/10266/statm: 15860 15094 243 482 0 15376 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 63440

[startup+10.3012 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 10267
/proc/meminfo: memFree=1689196/2059040 swapFree=4135932/4192956
[pid=10266] ppid=10264 vsize=63440 CPUtime=10.29
/proc/10266/stat : 10266 (pbct) R 10264 10266 10241 0 -1 4202496 16281 0 0 0 987 42 0 0 25 0 1 0 44277968 64962560 15094 1992294400 134512640 136485738 4291787712 18446744073709551615 134873390 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/10266/statm: 15860 15094 243 482 0 15376 0
Current children cumulated CPU time (s) 10.29
Current children cumulated vsize (KiB) 63440

[startup+10.5013 s]
/proc/loadavg: 0.93 0.98 0.99 2/107 10267
/proc/meminfo: memFree=1689196/2059040 swapFree=4135932/4192956
[pid=10266] ppid=10264 vsize=58488 CPUtime=10.49
/proc/10266/stat : 10266 (pbct) R 10264 10266 10241 0 -1 4202496 16286 0 0 0 1007 42 0 0 25 0 1 0 44277968 59891712 13960 1992294400 134512640 136485738 4291787712 18446744073709551615 135839991 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/10266/statm: 14622 13960 247 482 0 14138 0
Current children cumulated CPU time (s) 10.49
Current children cumulated vsize (KiB) 58488

Child status: 0
Real time (s): 10.557
CPU time (s): 10.5524
CPU user time (s): 10.1235
CPU system time (s): 0.428934
CPU usage (%): 99.9567
Max. virtual memory (cumulated for all children) (KiB): 63440

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 10.1235
system time used= 0.428934
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 16287
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= 137

runsolver used 0.016997 second user time and 0.058991 second system time

The end

Launcher Data 

Begin job on node015 at 2010-06-16 13:12:46
IDJOB=2667678
IDBENCH=71832
IDSOLVER=1170
FILE ID=node015/2667678-1276686766
PBS_JOBID= 11172603
Free space on /tmp= 62584 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB09/normalized-PB09/OPT-SMALLINT-LIN/featureSubscription/normalized-50-750-false-45-90-4-6000opt.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2667678-1276686766/watcher-2667678-1276686766 -o /tmp/evaluation-result-2667678-1276686766/solver-2667678-1276686766 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667678-1276686766.opb

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

MD5SUM BENCH= 192cb779697d7c2a638768a8111e4eb9
RANDOM SEED=2002272961

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:       1749624 kB
Buffers:        113532 kB
Cached:         116172 kB
SwapCached:      10876 kB
Active:         104656 kB
Inactive:       139076 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1749624 kB
SwapTotal:     4192956 kB
SwapFree:      4135932 kB
Dirty:            3004 kB
Writeback:           0 kB
AnonPages:       12436 kB
Mapped:           9288 kB
Slab:            44000 kB
PageTables:       4044 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180844 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 13:12:57