Trace number 2659541

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 NameAnswerCPU timeWall clock time
SAT4J PB Resolution 2.2.0 2010-05-26SAT 2.28165 1.57616

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga30_29_sat_pb.cnf.cr.opb
MD5SUMc1cdfd7e4f6debefea2730ce19b0db2d
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.022996
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1305
Total number of constraints958
Number of constraints which are clauses899
Number of constraints which are cardinality constraints (but not clauses)59
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint15
Maximum length of a constraint30
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 31
Number of bits of the biggest sum of numbers5
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.08/0.14	c SAT4J: a SATisfiability library for Java (c) 2004-2010 Daniel Le Berre
0.08/0.14	c This is free software under the dual EPL/GNU LGPL licenses.
0.08/0.14	c See www.sat4j.org for details.
0.08/0.15	c version 2.2.0.v20100526
0.08/0.16	c java.runtime.name	Java(TM) SE Runtime Environment
0.08/0.16	c java.vm.name		Java HotSpot(TM) Server VM
0.08/0.16	c java.vm.version	11.2-b01
0.08/0.16	c java.vm.vendor	Sun Microsystems Inc.
0.08/0.16	c sun.arch.data.model	32
0.08/0.16	c java.version		1.6.0_12
0.08/0.16	c os.name		Linux
0.08/0.16	c os.version		2.6.18-164.el5
0.08/0.16	c os.arch		i386
0.08/0.16	c Free memory 		1393557488
0.08/0.16	c Max memory 		1395916800
0.08/0.16	c Total memory 		1395916800
0.08/0.16	c Number of processors 	2
0.24/0.22	c Pseudo Boolean Optimization
0.24/0.22	c --- Begin Solver configuration ---
0.24/0.22	c Stops conflict analysis at the first Unique Implication Point
0.24/0.22	c org.sat4j.pb.constraints.CompetResolutionPBMixedWLClauseCardConstrDataStructure@1ac1fe4
0.24/0.22	c Learn all clauses as in MiniSAT
0.24/0.22	c claDecay=0.999 varDecay=0.95 conflictBoundIncFactor=1.5 initConflictBound=100 
0.24/0.22	c VSIDS like heuristics from MiniSAT using a heap lightweight component caching from RSAT taking into account the objective function
0.24/0.22	c Expensive reason simplification
0.24/0.22	c Armin Biere (Picosat) restarts strategy
0.24/0.22	c Glucose learned constraints deletion strategy
0.24/0.22	c timeout=2147483s
0.24/0.22	c DB Simplification allowed=false
0.24/0.22	c --- End Solver configuration ---
0.24/0.22	c solving HOME/instance-2659541-1276326526.opb
0.24/0.22	c reading problem ... 
1.01/0.74	c ... done. Wall clock time 0.525s.
1.01/0.74	c #vars     1305
1.01/0.74	c #constraints  958
1.01/0.74	c constraints type 
1.01/0.74	c org.sat4j.minisat.constraints.cnf.OriginalWLClause => 899
1.01/0.74	c org.sat4j.minisat.constraints.card.MinWatchCard => 59
2.19/1.52	c starts		: 10
2.19/1.52	c conflicts		: 1566
2.19/1.52	c decisions		: 8709
2.19/1.52	c propagations		: 68665
2.19/1.52	c inspects		: 262014
2.19/1.52	c learnt literals	: 0
2.19/1.52	c learnt binary clauses	: 0
2.19/1.52	c learnt ternary clauses	: 0
2.19/1.52	c learnt clauses	: 1566
2.19/1.52	c ignored clauses	: 0
2.19/1.52	c root simplifications	: 0
2.19/1.52	c removed literals (reason simplification)	: 454
2.19/1.52	c reason swapping (by a shorter reason)	: 0
2.19/1.52	c Calls to reduceDB	: 0
2.19/1.52	c number of reductions to clauses (during analyze)	: 0
2.19/1.52	c number of learned constraints concerned by reduction	: 0
2.19/1.52	c number of learning phase by resolution	: 0
2.19/1.52	c number of learning phase by cutting planes	: 0
2.19/1.52	c speed (assignments/second)	: 88258.35475578406
2.19/1.52	c non guided choices	828
2.19/1.52	c learnt constraints type 
2.19/1.52	c org.sat4j.minisat.constraints.cnf.LearntHTClause => 1566
2.19/1.52	c constraints type 
2.19/1.52	c org.sat4j.minisat.constraints.cnf.OriginalWLClause => 899
2.19/1.52	c org.sat4j.minisat.constraints.card.MinWatchCard => 59
2.19/1.52	s SATISFIABLE
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2.19/1.53	c Total wall clock time (in seconds): 1.319

Verifier Data 

OK	0

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2659541-1276326526/watcher-2659541-1276326526 -o /tmp/evaluation-result-2659541-1276326526/solver-2659541-1276326526 -C 1800 -W 2000 -M 1800 java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar HOME/instance-2659541-1276326526.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 1/106 9559
/proc/meminfo: memFree=1779612/2059040 swapFree=4165036/4192956
[pid=9559] ppid=9557 vsize=2028 CPUtime=0
/proc/9559/stat : 9559 (java6) R 9557 9559 9368 0 -1 4194304 210 0 0 0 0 0 0 0 19 0 1 0 6308916 2076672 114 1992294400 134512640 134550932 4291446592 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/9559/statm: 458 120 90 10 0 63 0

[startup+0.0975231 s]
/proc/loadavg: 1.00 1.00 1.00 1/106 9559
/proc/meminfo: memFree=1779612/2059040 swapFree=4165036/4192956
[pid=9559] ppid=9557 vsize=1522636 CPUtime=0.08
/proc/9559/stat : 9559 (java) S 9557 9559 9368 0 -1 4202496 3893 0 1 0 7 1 0 0 15 0 9 0 6308916 1559179264 3334 1992294400 134512640 134550932 4292106096 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0 0
/proc/9559/statm: 380659 3334 1061 10 0 377969 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 1522636

[startup+0.101514 s]
/proc/loadavg: 1.00 1.00 1.00 1/106 9559
/proc/meminfo: memFree=1779612/2059040 swapFree=4165036/4192956
[pid=9559] ppid=9557 vsize=1524024 CPUtime=0.08
/proc/9559/stat : 9559 (java) S 9557 9559 9368 0 -1 4202496 3941 0 1 0 7 1 0 0 15 0 12 0 6308916 1560600576 3380 1992294400 134512640 134550932 4292106096 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0 0
/proc/9559/statm: 381006 3380 1073 10 0 378308 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 1524024

[startup+0.321867 s]
/proc/loadavg: 1.00 1.00 1.00 1/106 9559
/proc/meminfo: memFree=1779612/2059040 swapFree=4165036/4192956
[pid=9559] ppid=9557 vsize=1526832 CPUtime=0.38
/proc/9559/stat : 9559 (java) S 9557 9559 9368 0 -1 4202496 5454 0 1 0 36 2 0 0 15 0 12 0 6308916 1563475968 4891 1992294400 134512640 134550932 4292106096 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0 0
/proc/9559/statm: 381708 4891 1361 10 0 379010 0
Current children cumulated CPU time (s) 0.38
Current children cumulated vsize (KiB) 1526832

[startup+0.701633 s]
/proc/loadavg: 1.00 1.00 1.00 1/106 9559
/proc/meminfo: memFree=1779612/2059040 swapFree=4165036/4192956
[pid=9559] ppid=9557 vsize=1530144 CPUtime=1.01
/proc/9559/stat : 9559 (java) S 9557 9559 9368 0 -1 4202496 7903 0 1 0 98 3 0 0 15 0 12 0 6308916 1566867456 6939 1992294400 134512640 134550932 4292106096 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0 0
/proc/9559/statm: 382536 6939 1402 10 0 379838 0
Current children cumulated CPU time (s) 1.01
Current children cumulated vsize (KiB) 1530144

[startup+1.50178 s]
/proc/loadavg: 1.00 1.00 1.00 3/119 9572
/proc/meminfo: memFree=1753344/2059040 swapFree=4165036/4192956
[pid=9559] ppid=9557 vsize=1530604 CPUtime=2.19
/proc/9559/stat : 9559 (java) S 9557 9559 9368 0 -1 4202496 9398 0 1 0 216 3 0 0 15 0 13 0 6308916 1567338496 8433 1992294400 134512640 134550932 4292106096 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0 0
/proc/9559/statm: 382651 8433 1423 10 0 379953 0
[pid=9559/tid=9561] ppid=9557 vsize=1530604 CPUtime=1.06
/proc/9559/task/9561/stat : 9561 (java) R 9557 9559 9368 0 -1 4202560 6107 0 1 0 104 2 0 0 25 0 13 0 6308917 1567338496 8433 1992294400 134512640 134550932 4292106096 18446744073709551615 4109294842 0 4 0 16800975 0 0 0 -1 1 0 0 0
[pid=9559/tid=9562] ppid=9557 vsize=1530604 CPUtime=0
/proc/9559/task/9562/stat : 9562 (java) S 9557 9559 9368 0 -1 4202560 4 0 0 0 0 0 0 0 17 0 13 0 6308919 1567338496 8433 1992294400 134512640 134550932 4292106096 18446744073709551615 4294960144 0 4 0 16800975 18446604437877807168 0 0 -1 0 0 0 0
[pid=9559/tid=9563] ppid=9557 vsize=1530604 CPUtime=0
/proc/9559/task/9563/stat : 9563 (java) S 9557 9559 9368 0 -1 4202560 1 0 0 0 0 0 0 0 18 0 13 0 6308919 1567338496 8433 1992294400 134512640 134550932 4292106096 18446744073709551615 4294960144 0 4 0 16800975 18446604437877807168 0 0 -1 0 0 0 0
[pid=9559/tid=9564] ppid=9557 vsize=1530604 CPUtime=0
/proc/9559/task/9564/stat : 9564 (java) S 9557 9559 9368 0 -1 4202560 1 0 0 0 0 0 0 0 18 0 13 0 6308921 1567338496 8433 1992294400 134512640 134550932 4292106096 18446744073709551615 4294960144 0 0 0 16800975 18446604437877807168 0 0 -1 0 0 0 0
[pid=9559/tid=9565] ppid=9557 vsize=1530604 CPUtime=0
/proc/9559/task/9565/stat : 9565 (java) S 9557 9559 9368 0 -1 4202560 10 0 0 0 0 0 0 0 20 0 13 0 6308921 1567338496 8433 1992294400 134512640 134550932 4292106096 18446744073709551615 4294960144 0 4 0 16800975 18446604437877807168 0 0 -1 0 0 0 0
[pid=9559/tid=9566] ppid=9557 vsize=1530604 CPUtime=0
/proc/9559/task/9566/stat : 9566 (java) S 9557 9559 9368 0 -1 4202560 4 0 0 0 0 0 0 0 21 0 13 0 6308921 1567338496 8433 1992294400 134512640 134550932 4292106096 18446744073709551615 4294960144 0 4 0 16800975 18446604437877807168 0 0 -1 0 0 0 0
[pid=9559/tid=9567] ppid=9557 vsize=1530604 CPUtime=0
/proc/9559/task/9567/stat : 9567 (java) S 9557 9559 9368 0 -1 4202560 2 0 0 0 0 0 0 0 22 0 13 0 6308925 1567338496 8433 1992294400 134512640 134550932 4292106096 18446744073709551615 4294960144 0 4 0 16800975 18446604437877807168 0 0 -1 0 0 0 0
[pid=9559/tid=9568] ppid=9557 vsize=1530604 CPUtime=0.6
/proc/9559/task/9568/stat : 9568 (java) S 9557 9559 9368 0 -1 4202560 1260 0 0 0 60 0 0 0 15 0 13 0 6308925 1567338496 8434 1992294400 134512640 134550932 4292106096 18446744073709551615 4294960144 0 4 0 16800975 18446604437877807168 0 0 -1 0 0 0 0
[pid=9559/tid=9569] ppid=9557 vsize=1530604 CPUtime=0.51
/proc/9559/task/9569/stat : 9569 (java) S 9557 9559 9368 0 -1 4202560 961 0 0 0 51 0 0 0 15 0 13 0 6308925 1567338496 8434 1992294400 134512640 134550932 4292106096 18446744073709551615 4294960144 0 4 0 16800975 18446604437877807168 0 0 -1 1 0 0 0
[pid=9559/tid=9570] ppid=9557 vsize=1530604 CPUtime=0
/proc/9559/task/9570/stat : 9570 (java) S 9557 9559 9368 0 -1 4202560 1 0 0 0 0 0 0 0 24 0 13 0 6308925 1567338496 8434 1992294400 134512640 134550932 4292106096 18446744073709551615 4294960144 0 4 0 16800975 18446604437877807168 0 0 -1 0 0 0 0
[pid=9559/tid=9571] ppid=9557 vsize=1530604 CPUtime=0
/proc/9559/task/9571/stat : 9571 (java) S 9557 9559 9368 0 -1 4202560 1 0 0 0 0 0 0 0 15 0 13 0 6308925 1567338496 8434 1992294400 134512640 134550932 4292106096 18446744073709551615 4294960144 0 4 0 16800975 18446604437877807168 0 0 -1 1 0 0 0
[pid=9559/tid=9572] ppid=9557 vsize=1530604 CPUtime=0
/proc/9559/task/9572/stat : 9572 (java) S 9557 9559 9368 0 -1 4202560 4 0 0 0 0 0 0 0 25 0 13 0 6308991 1567338496 8434 1992294400 134512640 134550932 4292106096 18446744073709551615 4294960144 0 4 0 16800975 18446604437877807168 0 0 -1 1 0 0 0
Current children cumulated CPU time (s) 2.19
Current children cumulated vsize (KiB) 1530604

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

Child status: 10
Real time (s): 1.57616
CPU time (s): 2.28165
CPU user time (s): 2.23766
CPU system time (s): 0.043993
CPU usage (%): 144.76
Max. virtual memory (cumulated for all children) (KiB): 1530604

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.23766
system time used= 0.043993
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9466
page faults= 1
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 378
involuntary context switches= 288

runsolver used 0.008998 second user time and 0.013997 second system time

The end

Launcher Data 

Begin job on node019 at 2010-06-12 09:08:46
IDJOB=2659541
IDBENCH=1418
IDSOLVER=1164
FILE ID=node019/2659541-1276326526
PBS_JOBID= 11173170
Free space on /tmp= 62356 MiB

SOLVER NAME= SAT4J PB Resolution 2.2.0 2010-05-26
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga30_29_sat_pb.cnf.cr.opb
COMMAND LINE= java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2659541-1276326526/watcher-2659541-1276326526 -o /tmp/evaluation-result-2659541-1276326526/solver-2659541-1276326526 -C 1800 -W 2000 -M 1800  java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar HOME/instance-2659541-1276326526.opb

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

MD5SUM BENCH= c1cdfd7e4f6debefea2730ce19b0db2d
RANDOM SEED=1471356993

node019.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		: 3000.264
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		: 3000.264
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	: 5599.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1779884 kB
Buffers:         65024 kB
Cached:         113428 kB
SwapCached:       1408 kB
Active:          83500 kB
Inactive:       127588 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1779884 kB
SwapTotal:     4192956 kB
SwapFree:      4165036 kB
Dirty:             512 kB
Writeback:           0 kB
AnonPages:       31212 kB
Mapped:          15512 kB
Slab:            46140 kB
PageTables:       4016 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180456 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= 62356 MiB
End job on node019 at 2010-06-12 09:08:48