Trace number 2681277

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-81 6.25905 6.2606

General information on the benchmark

Name/OPT-SMALLINT-LIN/featureSubscription/
normalized-50-750-false-45-90-4-3000opt.opb
MD5SUMd02d20784bc67f5ad08bddab69f126bc
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-81
Best CPU time to get the best result obtained on this benchmark6.25905
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 constraints30406
Number of constraints which are clauses30406
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 340
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 340
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
0.30/0.35	c constraints 0/0 clauses 30406/0 units 0
0.30/0.35	c vars 2025
0.30/0.35	c objective 135 + -340
0.80/0.87	c 0.821875 60.8789 0 2820
0.80/0.87	o -15
0.80/0.88	c 0.827874 61.5352 1 5476
0.80/0.88	o -16
0.80/0.89	c 0.830873 61.5352 1 7277
0.80/0.89	o -24
0.80/0.89	c 0.834873 61.5352 1 9016
0.80/0.89	o -33
0.89/0.90	c 0.835872 61.5352 4 11337
0.89/0.90	o -34
0.89/0.92	c 0.84987 61.5352 98 13491
0.89/0.92	o -46
0.89/0.92	c 0.857869 61.5352 126 15149
0.89/0.92	o -47
0.89/0.96	c 0.883865 61.5352 413 17512
0.89/0.96	o -53
0.89/0.97	c 0.890864 61.5352 455 19315
0.89/0.97	o -60
0.89/0.98	c 0.904862 61.5352 572 21009
0.89/0.98	o -62
0.89/0.99	c 0.913861 61.5352 609 22556
0.89/0.99	o -67
1.00/1.02	c 0.933858 61.5352 800 24176
1.00/1.02	o -68
1.00/1.03	c 0.939857 61.5352 813 25593
1.00/1.03	o -69
1.00/1.05	c 0.964853 61.5352 1007 27364
1.00/1.05	o -70
1.00/1.06	c 0.970852 61.5352 1008 28755
1.00/1.06	o -73
1.10/1.11	c 1.01385 61.5352 1366 30636
1.10/1.11	o -74
1.10/1.16	c 1.05984 61.6641 1773 32495
1.10/1.16	o -75
1.10/1.17	c 1.06884 61.6641 1793 33951
1.10/1.17	o -76
1.10/1.19	c 1.09083 61.6641 1958 35573
1.10/1.19	o -77
1.49/1.57	c 1.45178 62.4375 4957 40370
1.49/1.57	o -78
1.59/1.63	c 1.50077 62.4375 5271 41982
1.59/1.63	o -79
1.59/1.68	c 1.54577 62.5664 5517 43673
1.59/1.68	o -80
1.69/1.73	c 1.60176 62.6953 5827 45419
1.69/1.73	o -81
5.99/6.02	c 5.77112 64.2656 1251 69354
5.99/6.02	s OPTIMUM FOUND
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-x2025

Verifier Data 

OK	-81

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2681277-1277506407/watcher-2681277-1277506407 -o /tmp/evaluation-result-2681277-1277506407/solver-2681277-1277506407 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681277-1277506407.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: 1.00 1.00 1.00 3/106 29906
/proc/meminfo: memFree=1826696/2059040 swapFree=4140520/4192956
[pid=29906] ppid=29904 vsize=2136 CPUtime=0
/proc/29906/stat : 29906 (pbct) R 29904 29906 29802 0 -1 4202496 249 0 0 0 0 0 0 0 17 0 1 0 91931736 2187264 169 1992294400 134512640 136421960 4291099072 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29906/statm: 534 169 145 467 0 65 0

[startup+0.079316 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 29906
/proc/meminfo: memFree=1826696/2059040 swapFree=4140520/4192956
[pid=29906] ppid=29904 vsize=2400 CPUtime=0.07
/proc/29906/stat : 29906 (pbct) R 29904 29906 29802 0 -1 4202496 304 0 0 0 7 0 0 0 17 0 1 0 91931736 2457600 224 1992294400 134512640 136421960 4291099072 18446744073709551615 135272608 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29906/statm: 600 224 145 467 0 131 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 2400

[startup+0.101318 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 29906
/proc/meminfo: memFree=1826696/2059040 swapFree=4140520/4192956
[pid=29906] ppid=29904 vsize=2400 CPUtime=0.1
/proc/29906/stat : 29906 (pbct) R 29904 29906 29802 0 -1 4202496 324 0 0 0 10 0 0 0 17 0 1 0 91931736 2457600 244 1992294400 134512640 136421960 4291099072 18446744073709551615 135822081 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29906/statm: 600 244 145 467 0 131 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2400

[startup+0.301346 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 29906
/proc/meminfo: memFree=1826696/2059040 swapFree=4140520/4192956
[pid=29906] ppid=29904 vsize=3060 CPUtime=0.3
/proc/29906/stat : 29906 (pbct) R 29904 29906 29802 0 -1 4202496 472 0 0 0 30 0 0 0 17 0 1 0 91931736 3133440 392 1992294400 134512640 136421960 4291099072 18446744073709551615 135809586 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/29906/statm: 765 392 145 467 0 296 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 3060

[startup+0.701406 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 29906
/proc/meminfo: memFree=1826696/2059040 swapFree=4140520/4192956
[pid=29906] ppid=29904 vsize=57256 CPUtime=0.69
/proc/29906/stat : 29906 (pbct) R 29904 29906 29802 0 -1 4202496 14666 0 0 0 65 4 0 0 17 0 1 0 91931736 58630144 13467 1992294400 134512640 136421960 4291099072 18446744073709551615 135809997 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29906/statm: 14314 13467 195 467 0 13845 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 57256

[startup+1.50152 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 29907
/proc/meminfo: memFree=1769028/2059040 swapFree=4140520/4192956
[pid=29906] ppid=29904 vsize=63800 CPUtime=1.49
/proc/29906/stat : 29906 (pbct) R 29904 29906 29802 0 -1 4202496 16424 0 0 0 137 12 0 0 18 0 1 0 91931736 65331200 14685 1992294400 134512640 136421960 4291099072 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29906/statm: 15950 14685 236 467 0 15481 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 63800

[startup+3.10176 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 29907
/proc/meminfo: memFree=1767540/2059040 swapFree=4140520/4192956
[pid=29906] ppid=29904 vsize=65804 CPUtime=3.09
/proc/29906/stat : 29906 (pbct) R 29904 29906 29802 0 -1 4202496 16937 0 0 0 293 16 0 0 21 0 1 0 91931736 67383296 15194 1992294400 134512640 136421960 4291099072 18446744073709551615 135023975 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29906/statm: 16451 15194 236 467 0 15982 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 65804

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

[startup+4.70099 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 29907
/proc/meminfo: memFree=1766300/2059040 swapFree=4140520/4192956
[pid=29906] ppid=29904 vsize=65804 CPUtime=4.69
/proc/29906/stat : 29906 (pbct) R 29904 29906 29802 0 -1 4202496 16937 0 0 0 447 22 0 0 25 0 1 0 91931736 67383296 15194 1992294400 134512640 136421960 4291099072 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29906/statm: 16451 15194 236 467 0 15982 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 65804

[startup+5.50811 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 29907
/proc/meminfo: memFree=1766300/2059040 swapFree=4140520/4192956
[pid=29906] ppid=29904 vsize=65804 CPUtime=5.5
/proc/29906/stat : 29906 (pbct) R 29904 29906 29802 0 -1 4202496 16937 0 0 0 526 24 0 0 25 0 1 0 91931736 67383296 15194 1992294400 134512640 136421960 4291099072 18446744073709551615 134861992 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29906/statm: 16451 15194 236 467 0 15982 0
Current children cumulated CPU time (s) 5.5
Current children cumulated vsize (KiB) 65804

[startup+5.90117 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 29907
/proc/meminfo: memFree=1766300/2059040 swapFree=4140520/4192956
[pid=29906] ppid=29904 vsize=65804 CPUtime=5.89
/proc/29906/stat : 29906 (pbct) R 29904 29906 29802 0 -1 4202496 16937 0 0 0 565 24 0 0 25 0 1 0 91931736 67383296 15194 1992294400 134512640 136421960 4291099072 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29906/statm: 16451 15194 236 467 0 15982 0
Current children cumulated CPU time (s) 5.89
Current children cumulated vsize (KiB) 65804

[startup+6.1012 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 29907
/proc/meminfo: memFree=1766300/2059040 swapFree=4140520/4192956
[pid=29906] ppid=29904 vsize=58516 CPUtime=6.09
/proc/29906/stat : 29906 (pbct) R 29904 29906 29802 0 -1 4202496 16941 0 0 0 585 24 0 0 25 0 1 0 91931736 59920384 13913 1992294400 134512640 136421960 4291099072 18446744073709551615 135801268 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29906/statm: 14629 13913 239 467 0 14160 0
Current children cumulated CPU time (s) 6.09
Current children cumulated vsize (KiB) 58516

[startup+6.20121 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 29907
/proc/meminfo: memFree=1766300/2059040 swapFree=4140520/4192956
[pid=29906] ppid=29904 vsize=58516 CPUtime=6.19
/proc/29906/stat : 29906 (pbct) R 29904 29906 29802 0 -1 4202496 16941 0 0 0 595 24 0 0 25 0 1 0 91931736 59920384 13913 1992294400 134512640 136421960 4291099072 18446744073709551615 135801268 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/29906/statm: 14629 13913 239 467 0 14160 0
Current children cumulated CPU time (s) 6.19
Current children cumulated vsize (KiB) 58516

Child status: 0
Real time (s): 6.2606
CPU time (s): 6.25905
CPU user time (s): 6.00309
CPU system time (s): 0.255961
CPU usage (%): 99.9753
Max. virtual memory (cumulated for all children) (KiB): 65804

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.00309
system time used= 0.255961
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 16942
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= 83

runsolver used 0.010998 second user time and 0.037994 second system time

The end

Launcher Data 

Begin job on node052 at 2010-06-26 00:53:27
IDJOB=2681277
IDBENCH=71837
IDSOLVER=1192
FILE ID=node052/2681277-1277506407
PBS_JOBID= 11190596
Free space on /tmp= 62248 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB09/normalized-PB09/OPT-SMALLINT-LIN/featureSubscription/normalized-50-750-false-45-90-4-3000opt.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681277-1277506407/watcher-2681277-1277506407 -o /tmp/evaluation-result-2681277-1277506407/solver-2681277-1277506407 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681277-1277506407.opb

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

MD5SUM BENCH= d02d20784bc67f5ad08bddab69f126bc
RANDOM SEED=1335747140

node052.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		: 3000.262
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		: 3000.262
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:       1827224 kB
Buffers:         45856 kB
Cached:          89664 kB
SwapCached:       5528 kB
Active:          59560 kB
Inactive:        88884 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1827224 kB
SwapTotal:     4192956 kB
SwapFree:      4140520 kB
Dirty:            2864 kB
Writeback:           0 kB
AnonPages:       11536 kB
Mapped:          11944 kB
Slab:            61356 kB
PageTables:       4160 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180384 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= 62248 MiB
End job on node052 at 2010-06-26 00:53:34