Trace number 2667683

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-81 6.40102 6.40208

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 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.40/0.45	c constraints 0/0 clauses 30406/0 units 0
0.40/0.45	c vars 2025
0.40/0.45	c objective 135 + -340
1.00/1.00	c 0.950855 60.9492 0 2820
1.00/1.00	o -15
1.00/1.01	c 0.957854 61.6055 1 5476
1.00/1.01	o -16
1.00/1.02	c 0.962853 61.6055 1 7277
1.00/1.02	o -24
1.00/1.02	c 0.966853 61.6055 1 9016
1.00/1.02	o -33
1.00/1.03	c 0.973851 61.6055 4 11337
1.00/1.03	o -34
1.00/1.05	c 0.98385 61.6055 98 13491
1.00/1.05	o -46
1.00/1.06	c 0.988849 61.6055 126 15149
1.00/1.06	o -47
1.00/1.09	c 1.01385 61.6055 413 17512
1.00/1.09	o -53
1.00/1.10	c 1.01885 61.6055 455 19315
1.00/1.10	o -60
1.10/1.12	c 1.03384 61.6055 572 21009
1.10/1.12	o -62
1.10/1.13	c 1.04184 61.6055 609 22556
1.10/1.13	o -67
1.10/1.15	c 1.06184 61.6055 800 24176
1.10/1.15	o -68
1.10/1.16	c 1.06784 61.6055 813 25593
1.10/1.16	o -69
1.10/1.19	c 1.09483 61.6055 1007 27364
1.10/1.19	o -70
1.10/1.19	c 1.09783 61.6055 1008 28755
1.10/1.19	o -73
1.19/1.24	c 1.14083 61.6055 1366 30636
1.19/1.24	o -74
1.19/1.29	c 1.18982 61.7344 1773 32495
1.19/1.29	o -75
1.29/1.30	c 1.19682 61.7344 1793 33951
1.29/1.30	o -76
1.29/1.33	c 1.22081 61.7344 1958 35573
1.29/1.33	o -77
1.69/1.71	c 1.58076 62.5117 4957 40370
1.69/1.71	o -78
1.69/1.76	c 1.63075 62.5117 5271 41982
1.69/1.76	o -79
1.79/1.81	c 1.67274 62.6406 5517 43673
1.79/1.81	o -80
1.79/1.87	c 1.72574 62.7695 5827 45419
1.79/1.87	o -81
6.09/6.14	c 5.87211 64.3359 1251 69354
6.09/6.14	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-2667683-1276687257/watcher-2667683-1276687257 -o /tmp/evaluation-result-2667683-1276687257/solver-2667683-1276687257 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667683-1276687257.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 15249
/proc/meminfo: memFree=1700144/2059040 swapFree=4141376/4192956
[pid=15249] ppid=15247 vsize=2208 CPUtime=0
/proc/15249/stat : 15249 (pbct) R 15247 15249 14485 0 -1 4202496 257 0 0 0 0 0 0 0 18 0 1 0 10018138 2260992 180 1992294400 134512640 136485738 4288006416 18446744073709551615 134519899 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15249/statm: 552 180 156 482 0 68 0

[startup+0.0382969 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 15249
/proc/meminfo: memFree=1700144/2059040 swapFree=4141376/4192956
[pid=15249] ppid=15247 vsize=2208 CPUtime=0.03
/proc/15249/stat : 15249 (pbct) R 15247 15249 14485 0 -1 4202496 276 0 0 0 3 0 0 0 20 0 1 0 10018138 2260992 199 1992294400 134512640 136485738 4288006416 18446744073709551615 135690864 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15249/statm: 552 199 156 482 0 68 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 2208

[startup+0.100302 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 15249
/proc/meminfo: memFree=1700144/2059040 swapFree=4141376/4192956
[pid=15249] ppid=15247 vsize=2472 CPUtime=0.1
/proc/15249/stat : 15249 (pbct) R 15247 15249 14485 0 -1 4202496 312 0 0 0 10 0 0 0 20 0 1 0 10018138 2531328 235 1992294400 134512640 136485738 4288006416 18446744073709551615 135411149 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15249/statm: 618 235 156 482 0 134 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2472

[startup+0.30032 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 15249
/proc/meminfo: memFree=1700144/2059040 swapFree=4141376/4192956
[pid=15249] ppid=15247 vsize=2868 CPUtime=0.3
/proc/15249/stat : 15249 (pbct) R 15247 15249 14485 0 -1 4202496 430 0 0 0 30 0 0 0 20 0 1 0 10018138 2936832 353 1992294400 134512640 136485738 4288006416 18446744073709551615 135680454 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/15249/statm: 717 353 156 482 0 233 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 2868

[startup+0.700355 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 15249
/proc/meminfo: memFree=1700144/2059040 swapFree=4141376/4192956
[pid=15249] ppid=15247 vsize=23740 CPUtime=0.69
/proc/15249/stat : 15249 (pbct) R 15247 15249 14485 0 -1 4202496 5861 0 0 0 68 1 0 0 20 0 1 0 10018138 24309760 5345 1992294400 134512640 136485738 4288006416 18446744073709551615 134725667 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15249/statm: 5935 5345 194 482 0 5451 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 23740

[startup+1.50043 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 15250
/proc/meminfo: memFree=1643964/2059040 swapFree=4141376/4192956
[pid=15249] ppid=15247 vsize=63608 CPUtime=1.49
/proc/15249/stat : 15249 (pbct) R 15247 15249 14485 0 -1 4202496 16368 0 0 0 138 11 0 0 23 0 1 0 10018138 65134592 14632 1992294400 134512640 136485738 4288006416 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15249/statm: 15902 14632 243 482 0 15418 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 63608

[startup+3.10057 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 15250
/proc/meminfo: memFree=1641236/2059040 swapFree=4141376/4192956
[pid=15249] ppid=15247 vsize=65876 CPUtime=3.09
/proc/15249/stat : 15249 (pbct) R 15247 15249 14485 0 -1 4202496 16934 0 0 0 290 19 0 0 25 0 1 0 10018138 67457024 15194 1992294400 134512640 136485738 4288006416 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15249/statm: 16469 15194 243 482 0 15985 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 65876

[startup+6.30185 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 15250
/proc/meminfo: memFree=1639624/2059040 swapFree=4141376/4192956
[pid=15249] ppid=15247 vsize=58588 CPUtime=6.29
/proc/15249/stat : 15249 (pbct) R 15247 15249 14485 0 -1 4202496 16947 0 0 0 602 27 0 0 25 0 1 0 10018138 59994112 13922 1992294400 134512640 136485738 4288006416 18446744073709551615 134720124 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/15249/statm: 14647 13922 247 482 0 14163 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 58588

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

[startup+6.40186 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 15250
/proc/meminfo: memFree=1639624/2059040 swapFree=4141376/4192956
[pid=15249] ppid=15247 vsize=0 CPUtime=6.39
/proc/15249/stat : 15249 (pbct) R 15247 15249 14485 0 -1 4202500 16948 0 0 0 611 28 0 0 25 0 1 0 10018138 0 0 1992294400 0 0 0 0 0 0 0 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/15249/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 6.39
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 6.40208
CPU time (s): 6.40102
CPU user time (s): 6.11807
CPU system time (s): 0.282956
CPU usage (%): 99.9835
Max. virtual memory (cumulated for all children) (KiB): 65876

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.11807
system time used= 0.282956
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 16948
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= 16

runsolver used 0.011998 second user time and 0.043993 second system time

The end

Launcher Data 

Begin job on node043 at 2010-06-16 13:20:57
IDJOB=2667683
IDBENCH=71837
IDSOLVER=1170
FILE ID=node043/2667683-1276687257
PBS_JOBID= 11172556
Free space on /tmp= 62296 MiB

SOLVER NAME= PB/CT 0.1
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-2667683-1276687257/watcher-2667683-1276687257 -o /tmp/evaluation-result-2667683-1276687257/solver-2667683-1276687257 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667683-1276687257.opb

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

MD5SUM BENCH= d02d20784bc67f5ad08bddab69f126bc
RANDOM SEED=1824368038

node043.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		: 3000.241
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		: 3000.241
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	: 5599.37
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1700672 kB
Buffers:        120280 kB
Cached:         144616 kB
SwapCached:       6312 kB
Active:         109568 kB
Inactive:       169664 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1700672 kB
SwapTotal:     4192956 kB
SwapFree:      4141376 kB
Dirty:            2864 kB
Writeback:           0 kB
AnonPages:       11980 kB
Mapped:          13664 kB
Slab:            57440 kB
PageTables:       3960 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182488 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= 62292 MiB
End job on node043 at 2010-06-16 13:21:04