Trace number 2667685

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-75 5.8921 5.89448

General information on the benchmark

Name/OPT-SMALLINT-LIN/featureSubscription/
normalized-50-750-false-45-90-4-10000opt.opb
MD5SUM3c1368de4464ff81756c1b99158c803c
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-75
Best CPU time to get the best result obtained on this benchmark5.76412
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 constraints29711
Number of constraints which are clauses29711
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 356
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 356
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 29711/0 units 0
0.39/0.45	c vars 2025
0.39/0.45	c objective 135 + -356
0.89/0.99	c 0.936857 57.9336 0 3477
0.89/0.99	o -10
0.89/1.00	c 0.941856 58.6914 1 5424
0.89/1.00	o -13
1.00/1.00	c 0.947855 58.6914 18 7419
1.00/1.00	o -16
1.00/1.01	c 0.949855 58.6914 19 9152
1.00/1.01	o -17
1.00/1.02	c 0.955854 58.6914 36 11064
1.00/1.02	o -31
1.00/1.04	c 0.972852 58.6914 204 13533
1.00/1.04	o -36
1.00/1.05	c 0.979851 58.6914 247 15242
1.00/1.05	o -37
1.00/1.06	c 0.98585 58.6914 294 17093
1.00/1.06	o -38
1.00/1.07	c 0.991849 58.6914 326 18819
1.00/1.07	o -39
1.00/1.08	c 0.998848 58.6914 361 20432
1.00/1.08	o -58
1.00/1.10	c 1.01585 58.6914 478 22115
1.00/1.10	o -64
1.10/1.15	c 1.06284 58.6914 983 24353
1.10/1.15	o -65
1.10/1.16	c 1.07184 58.6914 1024 25907
1.10/1.16	o -68
1.19/1.25	c 1.14783 58.6914 1739 28350
1.19/1.25	o -71
1.29/1.39	c 1.2898 58.9492 2950 31149
1.29/1.39	o -72
1.69/1.75	c 1.62975 59.6055 5435 35370
1.69/1.75	o -73
1.79/1.87	c 1.74174 59.7344 6138 37474
1.79/1.87	o -75
5.59/5.64	c 5.39918 61.1523 1213 58627
5.59/5.64	s OPTIMUM FOUND
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Verifier Data 

OK	-75

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2667685-1276687597/watcher-2667685-1276687597 -o /tmp/evaluation-result-2667685-1276687597/solver-2667685-1276687597 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667685-1276687597.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 1.00 0.99 3/106 8654
/proc/meminfo: memFree=1734084/2059040 swapFree=4140468/4192956
[pid=8654] ppid=8652 vsize=2208 CPUtime=0
/proc/8654/stat : 8654 (pbct) R 8652 8654 7974 0 -1 4202496 258 0 0 0 0 0 0 0 18 0 1 0 44363465 2260992 180 1992294400 134512640 136485738 4290448672 18446744073709551615 134519464 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/8654/statm: 552 180 156 482 0 68 0

[startup+0.0736371 s]
/proc/loadavg: 0.92 1.00 0.99 3/106 8654
/proc/meminfo: memFree=1734084/2059040 swapFree=4140468/4192956
[pid=8654] ppid=8652 vsize=2340 CPUtime=0.07
/proc/8654/stat : 8654 (pbct) R 8652 8654 7974 0 -1 4202496 296 0 0 0 7 0 0 0 20 0 1 0 44363465 2396160 218 1992294400 134512640 136485738 4290448672 18446744073709551615 135848210 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/8654/statm: 585 218 156 482 0 101 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 2340

[startup+0.10064 s]
/proc/loadavg: 0.92 1.00 0.99 3/106 8654
/proc/meminfo: memFree=1734084/2059040 swapFree=4140468/4192956
[pid=8654] ppid=8652 vsize=2472 CPUtime=0.09
/proc/8654/stat : 8654 (pbct) R 8652 8654 7974 0 -1 4202496 312 0 0 0 9 0 0 0 20 0 1 0 44363465 2531328 234 1992294400 134512640 136485738 4290448672 18446744073709551615 135173216 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/8654/statm: 618 234 156 482 0 134 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2472

[startup+0.300662 s]
/proc/loadavg: 0.92 1.00 0.99 3/106 8654
/proc/meminfo: memFree=1734084/2059040 swapFree=4140468/4192956
[pid=8654] ppid=8652 vsize=2868 CPUtime=0.29
/proc/8654/stat : 8654 (pbct) R 8652 8654 7974 0 -1 4202496 428 0 0 0 29 0 0 0 20 0 1 0 44363465 2936832 350 1992294400 134512640 136485738 4290448672 18446744073709551615 135565571 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/8654/statm: 717 350 156 482 0 233 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2868

[startup+0.700706 s]
/proc/loadavg: 0.92 1.00 0.99 3/106 8654
/proc/meminfo: memFree=1734084/2059040 swapFree=4140468/4192956
[pid=8654] ppid=8652 vsize=23692 CPUtime=0.69
/proc/8654/stat : 8654 (pbct) R 8652 8654 7974 0 -1 4202496 5885 0 0 0 67 2 0 0 20 0 1 0 44363465 24260608 5337 1992294400 134512640 136485738 4290448672 18446744073709551615 134542073 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/8654/statm: 5923 5337 194 482 0 5439 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 23692

[startup+1.5008 s]
/proc/loadavg: 0.92 1.00 0.99 2/107 8655
/proc/meminfo: memFree=1677904/2059040 swapFree=4140468/4192956
[pid=8654] ppid=8652 vsize=60636 CPUtime=1.49
/proc/8654/stat : 8654 (pbct) R 8652 8654 7974 0 -1 4202496 15552 0 0 0 138 11 0 0 23 0 1 0 44363465 62091264 14383 1992294400 134512640 136485738 4290448672 18446744073709551615 134880631 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/8654/statm: 15159 14383 243 482 0 14675 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 60636

[startup+3.10097 s]
/proc/loadavg: 0.92 1.00 0.99 2/107 8655
/proc/meminfo: memFree=1676168/2059040 swapFree=4140468/4192956
[pid=8654] ppid=8652 vsize=62616 CPUtime=3.08
/proc/8654/stat : 8654 (pbct) R 8652 8654 7974 0 -1 4202496 16070 0 0 0 292 16 0 0 25 0 1 0 44363465 64118784 14899 1992294400 134512640 136485738 4290448672 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/8654/statm: 15654 14899 243 482 0 15170 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 62616

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

[startup+4.70115 s]
/proc/loadavg: 0.93 1.00 0.99 2/107 8655
/proc/meminfo: memFree=1674928/2059040 swapFree=4140468/4192956
[pid=8654] ppid=8652 vsize=62616 CPUtime=4.69
/proc/8654/stat : 8654 (pbct) R 8652 8654 7974 0 -1 4202496 16070 0 0 0 448 21 0 0 25 0 1 0 44363465 64118784 14899 1992294400 134512640 136485738 4290448672 18446744073709551615 134880510 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/8654/statm: 15654 14899 243 482 0 15170 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 62616

[startup+5.50924 s]
/proc/loadavg: 0.93 1.00 0.99 2/107 8655
/proc/meminfo: memFree=1674928/2059040 swapFree=4140468/4192956
[pid=8654] ppid=8652 vsize=62616 CPUtime=5.49
/proc/8654/stat : 8654 (pbct) R 8652 8654 7974 0 -1 4202496 16070 0 0 0 526 23 0 0 25 0 1 0 44363465 64118784 14899 1992294400 134512640 136485738 4290448672 18446744073709551615 134880498 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/8654/statm: 15654 14899 243 482 0 15170 0
Current children cumulated CPU time (s) 5.49
Current children cumulated vsize (KiB) 62616

[startup+5.70126 s]
/proc/loadavg: 0.93 1.00 0.99 2/107 8655
/proc/meminfo: memFree=1674928/2059040 swapFree=4140468/4192956
[pid=8654] ppid=8652 vsize=57380 CPUtime=5.69
/proc/8654/stat : 8654 (pbct) R 8652 8654 7974 0 -1 4202496 16075 0 0 0 545 24 0 0 25 0 1 0 44363465 58757120 13682 1992294400 134512640 136485738 4290448672 18446744073709551615 135839892 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/8654/statm: 14345 13682 247 482 0 13861 0
Current children cumulated CPU time (s) 5.69
Current children cumulated vsize (KiB) 57380

[startup+5.80127 s]
/proc/loadavg: 0.93 1.00 0.99 2/107 8655
/proc/meminfo: memFree=1674928/2059040 swapFree=4140468/4192956
[pid=8654] ppid=8652 vsize=57380 CPUtime=5.79
/proc/8654/stat : 8654 (pbct) R 8652 8654 7974 0 -1 4202496 16075 0 0 0 555 24 0 0 25 0 1 0 44363465 58757120 13682 1992294400 134512640 136485738 4290448672 18446744073709551615 134720178 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/8654/statm: 14345 13682 247 482 0 13861 0
Current children cumulated CPU time (s) 5.79
Current children cumulated vsize (KiB) 57380

Child status: 0
Real time (s): 5.89448
CPU time (s): 5.8921
CPU user time (s): 5.64014
CPU system time (s): 0.251961
CPU usage (%): 99.9597
Max. virtual memory (cumulated for all children) (KiB): 62616

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.64014
system time used= 0.251961
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 16076
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= 9

runsolver used 0.011998 second user time and 0.039993 second system time

The end

Launcher Data 

Begin job on node005 at 2010-06-16 13:26:37
IDJOB=2667685
IDBENCH=71839
IDSOLVER=1170
FILE ID=node005/2667685-1276687597
PBS_JOBID= 11172568
Free space on /tmp= 62564 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB09/normalized-PB09/OPT-SMALLINT-LIN/featureSubscription/normalized-50-750-false-45-90-4-10000opt.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2667685-1276687597/watcher-2667685-1276687597 -o /tmp/evaluation-result-2667685-1276687597/solver-2667685-1276687597 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667685-1276687597.opb

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

MD5SUM BENCH= 3c1368de4464ff81756c1b99158c803c
RANDOM SEED=217611126

node005.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		: 3000.246
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		: 3000.246
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:       1734612 kB
Buffers:         99152 kB
Cached:         130016 kB
SwapCached:       6352 kB
Active:          92060 kB
Inactive:       150912 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1734612 kB
SwapTotal:     4192956 kB
SwapFree:      4140468 kB
Dirty:            2888 kB
Writeback:           0 kB
AnonPages:       11644 kB
Mapped:          13064 kB
Slab:            59660 kB
PageTables:       4036 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182972 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= 62564 MiB
End job on node005 at 2010-06-16 13:26:43