Trace number 2681261

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-82 3.99639 3.99773

General information on the benchmark

Name/OPT-SMALLINT-LIN/featureSubscription/
normalized-50-750-false-45-90-4-4000opt.opb
MD5SUM78d7b4bc270e158c16f301038a8fbfa0
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-82
Best CPU time to get the best result obtained on this benchmark3.99639
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 constraints30390
Number of constraints which are clauses30390
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 316
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 316
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
0.29/0.35	c constraints 0/0 clauses 30390/0 units 0
0.29/0.35	c vars 2025
0.29/0.35	c objective 135 + -316
0.79/0.87	c 0.817875 60.8516 0 1804
0.79/0.87	o -15
0.79/0.88	c 0.820875 61.8945 1 3565
0.79/0.88	o -19
0.79/0.89	c 0.825874 61.8945 16 5502
0.79/0.89	o -23
0.79/0.89	c 0.831873 61.8945 20 7163
0.79/0.90	o -24
0.89/0.91	c 0.837872 61.8945 58 9111
0.89/0.91	o -25
0.89/0.92	c 0.846871 61.8945 109 11045
0.89/0.92	o -26
0.89/0.93	c 0.85187 61.8945 149 13045
0.89/0.93	o -28
0.89/0.93	c 0.855869 61.8945 154 14772
0.89/0.93	o -29
0.89/0.94	c 0.863868 61.8945 184 16557
0.89/0.94	o -32
0.89/0.95	c 0.871867 61.8945 230 18503
0.89/0.95	o -33
0.89/0.97	c 0.880866 61.8945 298 20207
0.89/0.97	o -35
0.89/0.98	c 0.884865 61.8945 345 22111
0.89/0.98	o -39
0.89/0.99	c 0.896863 61.8945 436 23801
0.89/0.99	o -41
0.89/1.00	c 0.903862 61.8945 488 25467
0.89/1.00	o -42
1.00/1.01	c 0.910861 61.8945 514 27139
1.00/1.01	o -44
1.00/1.03	c 0.924859 61.8945 643 28810
1.00/1.03	o -45
1.00/1.04	c 0.931858 61.8945 655 30350
1.00/1.04	o -53
1.00/1.05	c 0.946856 61.8945 767 32009
1.00/1.05	o -56
1.00/1.06	c 0.954854 61.8945 779 33502
1.00/1.06	o -61
1.00/1.07	c 0.961853 61.8945 785 34936
1.00/1.07	o -62
1.00/1.09	c 0.98485 61.8945 928 36586
1.00/1.09	o -64
1.10/1.19	c 1.06684 61.8945 1756 39129
1.10/1.19	o -71
1.39/1.44	c 1.2988 62.1523 3755 42719
1.39/1.44	o -72
1.69/1.70	c 1.54476 62.5391 5514 46074
1.69/1.70	o -76
1.79/1.81	c 1.65075 62.668 6114 48053
1.79/1.81	o -81
1.79/1.83	c 1.66475 62.7969 6164 49444
1.79/1.83	o -82
3.69/3.74	c 3.53346 64.1289 1469 59826
3.69/3.74	s OPTIMUM FOUND
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Verifier Data 

OK	-82

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2681261-1277506256/watcher-2681261-1277506256 -o /tmp/evaluation-result-2681261-1277506256/solver-2681261-1277506256 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2681261-1277506256.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: 0.85 0.97 0.99 3/106 30875
/proc/meminfo: memFree=1858284/2059040 swapFree=4135892/4192956
[pid=30875] ppid=30873 vsize=2136 CPUtime=0
/proc/30875/stat : 30875 (pbct) R 30873 30875 30850 0 -1 4202496 250 0 0 0 0 0 0 0 20 0 1 0 91917677 2187264 169 1992294400 134512640 136421960 4287347904 18446744073709551615 134523872 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30875/statm: 534 169 145 467 0 65 0

[startup+0.0766539 s]
/proc/loadavg: 0.85 0.97 0.99 3/106 30875
/proc/meminfo: memFree=1858284/2059040 swapFree=4135892/4192956
[pid=30875] ppid=30873 vsize=2400 CPUtime=0.07
/proc/30875/stat : 30875 (pbct) R 30873 30875 30850 0 -1 4202496 303 0 0 0 7 0 0 0 20 0 1 0 91917677 2457600 222 1992294400 134512640 136421960 4287347904 18446744073709551615 135272653 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30875/statm: 600 222 145 467 0 131 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 2400

[startup+0.101655 s]
/proc/loadavg: 0.85 0.97 0.99 3/106 30875
/proc/meminfo: memFree=1858284/2059040 swapFree=4135892/4192956
[pid=30875] ppid=30873 vsize=2400 CPUtime=0.09
/proc/30875/stat : 30875 (pbct) R 30873 30875 30850 0 -1 4202496 325 0 0 0 9 0 0 0 20 0 1 0 91917677 2457600 244 1992294400 134512640 136421960 4287347904 18446744073709551615 135818528 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30875/statm: 600 244 145 467 0 131 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2400

[startup+0.301677 s]
/proc/loadavg: 0.85 0.97 0.99 3/106 30875
/proc/meminfo: memFree=1858284/2059040 swapFree=4135892/4192956
[pid=30875] ppid=30873 vsize=3060 CPUtime=0.29
/proc/30875/stat : 30875 (pbct) R 30873 30875 30850 0 -1 4202496 473 0 0 0 29 0 0 0 20 0 1 0 91917677 3133440 392 1992294400 134512640 136421960 4287347904 18446744073709551615 135809615 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30875/statm: 765 392 145 467 0 296 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3060

[startup+0.70172 s]
/proc/loadavg: 0.85 0.97 0.99 3/106 30875
/proc/meminfo: memFree=1858284/2059040 swapFree=4135892/4192956
[pid=30875] ppid=30873 vsize=57256 CPUtime=0.69
/proc/30875/stat : 30875 (pbct) R 30873 30875 30850 0 -1 4202496 14692 0 0 0 64 5 0 0 21 0 1 0 91917677 58630144 13460 1992294400 134512640 136421960 4287347904 18446744073709551615 134729682 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30875/statm: 14314 13460 195 467 0 13845 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 57256

[startup+1.50081 s]
/proc/loadavg: 0.85 0.97 0.99 2/107 30876
/proc/meminfo: memFree=1800740/2059040 swapFree=4135892/4192956
[pid=30875] ppid=30873 vsize=63772 CPUtime=1.49
/proc/30875/stat : 30875 (pbct) R 30873 30875 30850 0 -1 4202496 16360 0 0 0 135 14 0 0 23 0 1 0 91917677 65302528 14683 1992294400 134512640 136421960 4287347904 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30875/statm: 15943 14683 236 467 0 15474 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 63772

[startup+3.10098 s]
/proc/loadavg: 0.85 0.97 0.99 2/107 30876
/proc/meminfo: memFree=1799252/2059040 swapFree=4135892/4192956
[pid=30875] ppid=30873 vsize=65664 CPUtime=3.09
/proc/30875/stat : 30875 (pbct) R 30873 30875 30850 0 -1 4202496 16822 0 0 0 290 19 0 0 25 0 1 0 91917677 67239936 15142 1992294400 134512640 136421960 4287347904 18446744073709551615 134862007 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30875/statm: 16416 15142 236 467 0 15947 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 65664

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

[startup+3.50102 s]
/proc/loadavg: 0.85 0.97 0.99 2/107 30876
/proc/meminfo: memFree=1798136/2059040 swapFree=4135892/4192956
[pid=30875] ppid=30873 vsize=65664 CPUtime=3.49
/proc/30875/stat : 30875 (pbct) R 30873 30875 30850 0 -1 4202496 16828 0 0 0 329 20 0 0 25 0 1 0 91917677 67239936 15148 1992294400 134512640 136421960 4287347904 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30875/statm: 16416 15148 236 467 0 15947 0
Current children cumulated CPU time (s) 3.49
Current children cumulated vsize (KiB) 65664

[startup+3.90106 s]
/proc/loadavg: 0.85 0.97 0.99 2/107 30876
/proc/meminfo: memFree=1798136/2059040 swapFree=4135892/4192956
[pid=30875] ppid=30873 vsize=58608 CPUtime=3.89
/proc/30875/stat : 30875 (pbct) R 30873 30875 30850 0 -1 4202496 16832 0 0 0 368 21 0 0 25 0 1 0 91917677 60014592 13936 1992294400 134512640 136421960 4287347904 18446744073709551615 134701435 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30875/statm: 14652 13936 239 467 0 14183 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 58608

Child status: 0
Real time (s): 3.99773
CPU time (s): 3.99639
CPU user time (s): 3.77843
CPU system time (s): 0.217966
CPU usage (%): 99.9664
Max. virtual memory (cumulated for all children) (KiB): 65664

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.77842
system time used= 0.217966
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 16833
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= 7

runsolver used 0.009998 second user time and 0.024996 second system time

The end

Launcher Data 

Begin job on node047 at 2010-06-26 00:50:57
IDJOB=2681261
IDBENCH=71821
IDSOLVER=1192
FILE ID=node047/2681261-1277506256
PBS_JOBID= 11190634
Free space on /tmp= 62480 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB09/normalized-PB09/OPT-SMALLINT-LIN/featureSubscription/normalized-50-750-false-45-90-4-4000opt.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2681261-1277506256/watcher-2681261-1277506256 -o /tmp/evaluation-result-2681261-1277506256/solver-2681261-1277506256 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2681261-1277506256.opb

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

MD5SUM BENCH= 78d7b4bc270e158c16f301038a8fbfa0
RANDOM SEED=1131750834

node047.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	: 5599.44
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1858812 kB
Buffers:         31220 kB
Cached:          74476 kB
SwapCached:       9576 kB
Active:          70196 kB
Inactive:        48036 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1858812 kB
SwapTotal:     4192956 kB
SwapFree:      4135892 kB
Dirty:            2960 kB
Writeback:           0 kB
AnonPages:       11256 kB
Mapped:           8224 kB
Slab:            59984 kB
PageTables:       4204 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181288 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= 62476 MiB
End job on node047 at 2010-06-26 00:51:01