Trace number 2681272

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-74 10.3384 10.341

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 0.1.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.29/0.34	c constraints 0/0 clauses 30070/0 units 0
0.29/0.34	c vars 2025
0.29/0.34	c objective 135 + -352
0.79/0.86	c 0.804877 58.3867 0 1867
0.79/0.86	o -11
0.79/0.86	c 0.810876 59.1523 0 3716
0.79/0.86	o -13
0.79/0.87	c 0.812876 59.1523 0 5565
0.79/0.87	o -17
0.79/0.88	c 0.817875 59.1523 0 7347
0.79/0.88	o -18
0.79/0.88	c 0.821875 59.1523 0 9110
0.79/0.88	o -21
0.79/0.89	c 0.824874 59.1523 2 11515
0.79/0.89	o -23
0.88/0.91	c 0.836872 59.1523 87 14355
0.88/0.91	o -24
0.88/0.91	c 0.843871 59.1523 111 16297
0.88/0.91	o -27
0.88/0.92	c 0.847871 59.1523 126 18029
0.88/0.92	o -28
0.88/0.93	c 0.856869 59.1523 179 19962
0.88/0.93	o -30
0.88/0.94	c 0.861868 59.1523 202 21771
0.88/0.94	o -32
0.88/0.95	c 0.869867 59.1523 227 23439
0.88/0.95	o -34
0.88/0.96	c 0.878866 59.1523 282 25233
0.88/0.96	o -35
0.88/0.97	c 0.886865 59.1523 307 27014
0.88/0.97	o -38
0.88/0.98	c 0.890864 59.1523 312 28688
0.88/0.98	o -39
0.88/0.99	c 0.901862 59.1523 390 30638
0.88/0.99	o -41
0.88/1.00	c 0.908861 59.1523 415 32319
0.88/1.00	o -50
1.00/1.02	c 0.928858 59.1523 601 34393
1.00/1.02	o -51
1.00/1.03	c 0.932858 59.1523 613 35866
1.00/1.03	o -54
1.00/1.04	c 0.944856 59.1523 703 37599
1.00/1.04	o -55
1.00/1.05	c 0.952855 59.1523 717 39092
1.00/1.05	o -65
1.00/1.07	c 0.969852 59.1523 830 40848
1.00/1.07	o -66
1.09/1.16	c 1.05284 59.1523 1664 43300
1.09/1.16	o -67
1.49/1.54	c 1.40979 59.9258 4657 48089
1.49/1.54	o -68
1.59/1.60	c 1.46278 60.0547 4985 49814
1.59/1.60	o -70
1.99/2.05	c 1.89271 60.7266 7810 54284
1.99/2.05	o -73
2.59/2.66	c 2.48062 61.3711 5980 59160
2.59/2.66	o -74
9.99/10.08	c 9.69153 61.8867 1241 102685
9.99/10.08	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-2681272-1277506372/watcher-2681272-1277506372 -o /tmp/evaluation-result-2681272-1277506372/solver-2681272-1277506372 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681272-1277506372.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: 0.96 0.97 0.99 3/106 30903
/proc/meminfo: memFree=1842480/2059040 swapFree=4140192/4192956
[pid=30903] ppid=30901 vsize=2136 CPUtime=0
/proc/30903/stat : 30903 (pbct) R 30901 30903 30768 0 -1 4202496 250 0 0 0 0 0 0 0 19 0 1 0 91930074 2187264 169 1992294400 134512640 136421960 4292972208 18446744073709551615 135377216 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30903/statm: 534 169 145 467 0 65 0

[startup+0.088265 s]
/proc/loadavg: 0.96 0.97 0.99 3/106 30903
/proc/meminfo: memFree=1842480/2059040 swapFree=4140192/4192956
[pid=30903] ppid=30901 vsize=2400 CPUtime=0.08
/proc/30903/stat : 30903 (pbct) R 30901 30903 30768 0 -1 4202496 313 0 0 0 8 0 0 0 19 0 1 0 91930074 2457600 232 1992294400 134512640 136421960 4292972208 18446744073709551615 135377266 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30903/statm: 600 232 145 467 0 131 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 2400

[startup+0.101266 s]
/proc/loadavg: 0.96 0.97 0.99 3/106 30903
/proc/meminfo: memFree=1842480/2059040 swapFree=4140192/4192956
[pid=30903] ppid=30901 vsize=2400 CPUtime=0.09
/proc/30903/stat : 30903 (pbct) R 30901 30903 30768 0 -1 4202496 326 0 0 0 9 0 0 0 20 0 1 0 91930074 2457600 245 1992294400 134512640 136421960 4292972208 18446744073709551615 134519016 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30903/statm: 600 245 145 467 0 131 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2400

[startup+0.300288 s]
/proc/loadavg: 0.96 0.97 0.99 3/106 30903
/proc/meminfo: memFree=1842480/2059040 swapFree=4140192/4192956
[pid=30903] ppid=30901 vsize=3060 CPUtime=0.29
/proc/30903/stat : 30903 (pbct) R 30901 30903 30768 0 -1 4202496 475 0 0 0 29 0 0 0 20 0 1 0 91930074 3133440 394 1992294400 134512640 136421960 4292972208 18446744073709551615 135377206 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30903/statm: 765 394 145 467 0 296 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3060

[startup+0.700332 s]
/proc/loadavg: 0.96 0.97 0.99 3/106 30903
/proc/meminfo: memFree=1842480/2059040 swapFree=4140192/4192956
[pid=30903] ppid=30901 vsize=55300 CPUtime=0.69
/proc/30903/stat : 30903 (pbct) R 30901 30903 30768 0 -1 4202496 14186 0 0 0 64 5 0 0 20 0 1 0 91930074 56627200 13344 1992294400 134512640 136421960 4292972208 18446744073709551615 134700914 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30903/statm: 13825 13344 195 467 0 13356 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 55300

[startup+1.50042 s]
/proc/loadavg: 0.96 0.97 0.99 2/107 30904
/proc/meminfo: memFree=1785432/2059040 swapFree=4140192/4192956
[pid=30903] ppid=30901 vsize=61228 CPUtime=1.49
/proc/30903/stat : 30903 (pbct) R 30901 30903 30768 0 -1 4202496 15762 0 0 0 136 13 0 0 22 0 1 0 91930074 62697472 14576 1992294400 134512640 136421960 4292972208 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30903/statm: 15307 14576 236 467 0 14838 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 61228

[startup+3.10059 s]
/proc/loadavg: 0.96 0.97 0.99 2/107 30904
/proc/meminfo: memFree=1783448/2059040 swapFree=4140192/4192956
[pid=30903] ppid=30901 vsize=62840 CPUtime=3.09
/proc/30903/stat : 30903 (pbct) R 30901 30903 30768 0 -1 4202496 16164 0 0 0 290 19 0 0 25 0 1 0 91930074 64348160 14974 1992294400 134512640 136421960 4292972208 18446744073709551615 135010280 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30903/statm: 15710 14974 236 467 0 15241 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 62840

[startup+6.30194 s]
/proc/loadavg: 0.96 0.97 0.99 2/107 30904
/proc/meminfo: memFree=1782952/2059040 swapFree=4140192/4192956
[pid=30903] ppid=30901 vsize=63104 CPUtime=6.29
/proc/30903/stat : 30903 (pbct) R 30901 30903 30768 0 -1 4202496 16227 0 0 0 601 28 0 0 25 0 1 0 91930074 64618496 15037 1992294400 134512640 136421960 4292972208 18446744073709551615 134861902 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30903/statm: 15776 15037 236 467 0 15307 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 63104

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

[startup+7.90112 s]
/proc/loadavg: 0.96 0.97 0.99 2/107 30904
/proc/meminfo: memFree=1782456/2059040 swapFree=4140192/4192956
[pid=30903] ppid=30901 vsize=63368 CPUtime=7.89
/proc/30903/stat : 30903 (pbct) R 30901 30903 30768 0 -1 4202496 16278 0 0 0 756 33 0 0 25 0 1 0 91930074 64888832 15088 1992294400 134512640 136421960 4292972208 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30903/statm: 15842 15088 236 467 0 15373 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 63368

[startup+9.50129 s]
/proc/loadavg: 0.96 0.97 0.99 2/107 30904
/proc/meminfo: memFree=1782456/2059040 swapFree=4140192/4192956
[pid=30903] ppid=30901 vsize=63368 CPUtime=9.49
/proc/30903/stat : 30903 (pbct) R 30901 30903 30768 0 -1 4202496 16278 0 0 0 911 38 0 0 25 0 1 0 91930074 64888832 15088 1992294400 134512640 136421960 4292972208 18446744073709551615 134861902 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30903/statm: 15842 15088 236 467 0 15373 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 63368

[startup+9.90834 s]
/proc/loadavg: 0.96 0.97 0.99 2/107 30904
/proc/meminfo: memFree=1782456/2059040 swapFree=4140192/4192956
[pid=30903] ppid=30901 vsize=63368 CPUtime=9.89
/proc/30903/stat : 30903 (pbct) R 30901 30903 30768 0 -1 4202496 16278 0 0 0 951 38 0 0 25 0 1 0 91930074 64888832 15088 1992294400 134512640 136421960 4292972208 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30903/statm: 15842 15088 236 467 0 15373 0
Current children cumulated CPU time (s) 9.89
Current children cumulated vsize (KiB) 63368

[startup+10.3014 s]
/proc/loadavg: 0.96 0.97 0.99 2/107 30904
/proc/meminfo: memFree=1782456/2059040 swapFree=4140192/4192956
[pid=30903] ppid=30901 vsize=59488 CPUtime=10.29
/proc/30903/stat : 30903 (pbct) R 30901 30903 30768 0 -1 4202496 16282 0 0 0 990 39 0 0 25 0 1 0 91930074 60915712 14193 1992294400 134512640 136421960 4292972208 18446744073709551615 135818225 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30903/statm: 14872 14193 239 467 0 14403 0
Current children cumulated CPU time (s) 10.29
Current children cumulated vsize (KiB) 59488

Child status: 0
Real time (s): 10.341
CPU time (s): 10.3384
CPU user time (s): 9.93749
CPU system time (s): 0.400939
CPU usage (%): 99.9747
Max. virtual memory (cumulated for all children) (KiB): 63368

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.93749
system time used= 0.400939
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 16283
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= 22

runsolver used 0.020996 second user time and 0.054991 second system time

The end

Launcher Data 

Begin job on node037 at 2010-06-26 00:52:52
IDJOB=2681272
IDBENCH=71832
IDSOLVER=1192
FILE ID=node037/2681272-1277506372
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-50-750-false-45-90-4-6000opt.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681272-1277506372/watcher-2681272-1277506372 -o /tmp/evaluation-result-2681272-1277506372/solver-2681272-1277506372 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681272-1277506372.opb

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

MD5SUM BENCH= 192cb779697d7c2a638768a8111e4eb9
RANDOM SEED=1065703639

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:       1843008 kB
Buffers:         35296 kB
Cached:          85048 kB
SwapCached:       5520 kB
Active:          69340 kB
Inactive:        63940 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1843008 kB
SwapTotal:     4192956 kB
SwapFree:      4140192 kB
Dirty:            2892 kB
Writeback:           0 kB
AnonPages:       11520 kB
Mapped:          11816 kB
Slab:            60768 kB
PageTables:       4092 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 00:53:03