Trace number 2659542

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 2.81457 1.59796

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga40_38_sat_pb.cnf.cr.opb
MD5SUM3df4b6f92f1f3083d4934635de2b04ef
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 benchmark0.040992
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables2280
Total number of constraints1636
Number of constraints which are clauses1558
Number of constraints which are cardinality constraints (but not clauses)78
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint20
Maximum length of a constraint40
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 41
Number of bits of the biggest sum of numbers6
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.08/0.13	c SAT4J: a SATisfiability library for Java (c) 2004-2010 Daniel Le Berre
0.08/0.13	c This is free software under the dual EPL/GNU LGPL licenses.
0.08/0.13	c See www.sat4j.org for details.
0.08/0.14	c version 2.2.0.v20100526
0.08/0.14	c java.runtime.name	Java(TM) SE Runtime Environment
0.08/0.14	c java.vm.name		Java HotSpot(TM) Server VM
0.08/0.14	c java.vm.version	11.2-b01
0.08/0.14	c java.vm.vendor	Sun Microsystems Inc.
0.08/0.14	c sun.arch.data.model	32
0.08/0.14	c java.version		1.6.0_12
0.08/0.14	c os.name		Linux
0.08/0.14	c os.version		2.6.18-164.el5
0.08/0.14	c os.arch		i386
0.08/0.14	c Free memory 		1393557488
0.08/0.14	c Max memory 		1395916800
0.08/0.14	c Total memory 		1395916800
0.08/0.14	c Number of processors 	2
0.08/0.20	c Pseudo Boolean Optimization
0.08/0.20	c --- Begin Solver configuration ---
0.08/0.20	c Stops conflict analysis at the first Unique Implication Point
0.08/0.20	c org.sat4j.pb.constraints.CompetResolutionPBMixedWLClauseCardConstrDataStructure@64dc11
0.08/0.20	c Learn all clauses as in MiniSAT
0.08/0.20	c claDecay=0.999 varDecay=0.95 conflictBoundIncFactor=1.5 initConflictBound=100 
0.08/0.20	c VSIDS like heuristics from MiniSAT using a heap lightweight component caching from RSAT taking into account the objective function
0.08/0.20	c Expensive reason simplification
0.08/0.20	c Armin Biere (Picosat) restarts strategy
0.08/0.20	c Glucose learned constraints deletion strategy
0.08/0.20	c timeout=2147483s
0.08/0.20	c DB Simplification allowed=false
0.08/0.20	c --- End Solver configuration ---
0.08/0.20	c solving HOME/instance-2659542-1276326558.opb
0.08/0.20	c reading problem ... 
1.16/0.79	c ... done. Wall clock time 0.592s.
1.16/0.79	c #vars     2280
1.16/0.79	c #constraints  1636
1.16/0.79	c constraints type 
1.16/0.79	c org.sat4j.minisat.constraints.cnf.OriginalWLClause => 1558
1.16/0.79	c org.sat4j.minisat.constraints.card.MinWatchCard => 78
2.65/1.54	c starts		: 5
2.65/1.54	c conflicts		: 574
2.65/1.54	c decisions		: 7611
2.65/1.54	c propagations		: 43778
2.65/1.54	c inspects		: 56606
2.65/1.54	c learnt literals	: 0
2.65/1.54	c learnt binary clauses	: 0
2.65/1.54	c learnt ternary clauses	: 0
2.65/1.54	c learnt clauses	: 574
2.65/1.54	c ignored clauses	: 0
2.65/1.54	c root simplifications	: 0
2.65/1.54	c removed literals (reason simplification)	: 112
2.65/1.54	c reason swapping (by a shorter reason)	: 0
2.65/1.54	c Calls to reduceDB	: 0
2.65/1.54	c number of reductions to clauses (during analyze)	: 0
2.65/1.54	c number of learned constraints concerned by reduction	: 0
2.65/1.54	c number of learning phase by resolution	: 0
2.65/1.54	c number of learning phase by cutting planes	: 0
2.65/1.54	c speed (assignments/second)	: 58448.59813084112
2.65/1.54	c non guided choices	1274
2.65/1.54	c learnt constraints type 
2.65/1.54	c org.sat4j.minisat.constraints.cnf.LearntHTClause => 574
2.65/1.54	c constraints type 
2.65/1.54	c org.sat4j.minisat.constraints.cnf.OriginalWLClause => 1558
2.65/1.54	c org.sat4j.minisat.constraints.card.MinWatchCard => 78
2.65/1.54	s SATISFIABLE
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2.65/1.56	c Total wall clock time (in seconds): 1.367

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-2659542-1276326558/watcher-2659542-1276326558 -o /tmp/evaluation-result-2659542-1276326558/solver-2659542-1276326558 -C 1800 -W 2000 -M 1800 java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar HOME/instance-2659542-1276326558.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 0.98 0.99 3/106 9709
/proc/meminfo: memFree=1779116/2059040 swapFree=4165036/4192956
[pid=9709] ppid=9707 vsize=13164 CPUtime=0
/proc/9709/stat : 9709 (java) R 9707 9709 9368 0 -1 4194304 646 0 0 0 0 0 0 0 19 0 1 0 6312083 13479936 279 1992294400 134512640 134550932 4288154080 18446744073709551615 1914501 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/9709/statm: 3291 286 142 10 0 1121 0

[startup+0.0664999 s]
/proc/loadavg: 0.92 0.98 0.99 3/106 9709
/proc/meminfo: memFree=1779116/2059040 swapFree=4165036/4192956
[pid=9709] ppid=9707 vsize=1521796 CPUtime=0.06
/proc/9709/stat : 9709 (java) S 9707 9709 9368 0 -1 4202496 3714 0 1 0 4 2 0 0 19 0 7 0 6312083 1558319104 3155 1992294400 134512640 134550932 4288154080 18446744073709551615 4294960144 0 0 0 16784584 18446744073709551615 0 0 17 1 0 0 0
/proc/9709/statm: 380449 3155 1034 10 0 377759 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 1521796

[startup+0.100504 s]
/proc/loadavg: 0.92 0.98 0.99 3/106 9709
/proc/meminfo: memFree=1779116/2059040 swapFree=4165036/4192956
[pid=9709] ppid=9707 vsize=1524184 CPUtime=0.08
/proc/9709/stat : 9709 (java) S 9707 9709 9368 0 -1 4202496 4001 0 1 0 6 2 0 0 19 0 12 0 6312083 1560764416 3440 1992294400 134512640 134550932 4288154080 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0 0
/proc/9709/statm: 381046 3440 1078 10 0 378348 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 1524184

[startup+0.300418 s]
/proc/loadavg: 0.92 0.98 0.99 3/106 9709
/proc/meminfo: memFree=1779116/2059040 swapFree=4165036/4192956
[pid=9709] ppid=9707 vsize=1526536 CPUtime=0.38
/proc/9709/stat : 9709 (java) S 9707 9709 9368 0 -1 4202496 5405 0 1 0 35 3 0 0 19 0 12 0 6312083 1563172864 4842 1992294400 134512640 134550932 4288154080 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0 0
/proc/9709/statm: 381634 4843 1361 10 0 378936 0
Current children cumulated CPU time (s) 0.38
Current children cumulated vsize (KiB) 1526536

[startup+0.700414 s]
/proc/loadavg: 0.92 0.98 0.99 3/106 9709
/proc/meminfo: memFree=1779116/2059040 swapFree=4165036/4192956
[pid=9709] ppid=9707 vsize=1528148 CPUtime=1.16
/proc/9709/stat : 9709 (java) S 9707 9709 9368 0 -1 4202496 8176 0 1 0 111 5 0 0 19 0 12 0 6312083 1564823552 7539 1992294400 134512640 134550932 4288154080 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0 0
/proc/9709/statm: 382037 7540 1402 10 0 379339 0
Current children cumulated CPU time (s) 1.16
Current children cumulated vsize (KiB) 1528148

[startup+1.50141 s]
/proc/loadavg: 0.92 0.98 0.99 4/119 9722
/proc/meminfo: memFree=1745968/2059040 swapFree=4165036/4192956
[pid=9709] ppid=9707 vsize=1529212 CPUtime=2.65
/proc/9709/stat : 9709 (java) S 9707 9709 9368 0 -1 4202496 11052 0 1 0 259 6 0 0 19 0 13 0 6312083 1565913088 10094 1992294400 134512640 134550932 4288154080 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0 0
/proc/9709/statm: 382303 10095 1423 10 0 379605 0
[pid=9709/tid=9711] ppid=9707 vsize=1529212 CPUtime=1.48
/proc/9709/task/9711/stat : 9711 (java) R 9707 9709 9368 0 -1 4202560 8257 0 1 0 143 5 0 0 20 0 13 0 6312084 1565913088 10095 1992294400 134512640 134550932 4288154080 18446744073709551615 4109659336 0 4 0 16800975 0 0 0 -1 0 0 0 0
[pid=9709/tid=9712] ppid=9707 vsize=1529212 CPUtime=0
/proc/9709/task/9712/stat : 9712 (java) S 9707 9709 9368 0 -1 4202560 4 0 0 0 0 0 0 0 19 0 13 0 6312085 1565913088 10095 1992294400 134512640 134550932 4288154080 18446744073709551615 4294960144 0 4 0 16800975 18446604437860386816 0 0 -1 0 0 0 0
[pid=9709/tid=9713] ppid=9707 vsize=1529212 CPUtime=0
/proc/9709/task/9713/stat : 9713 (java) S 9707 9709 9368 0 -1 4202560 1 0 0 0 0 0 0 0 20 0 13 0 6312085 1565913088 10095 1992294400 134512640 134550932 4288154080 18446744073709551615 4294960144 0 4 0 16800975 18446604437860386816 0 0 -1 0 0 0 0
[pid=9709/tid=9714] ppid=9707 vsize=1529212 CPUtime=0
/proc/9709/task/9714/stat : 9714 (java) S 9707 9709 9368 0 -1 4202560 1 0 0 0 0 0 0 0 18 0 13 0 6312087 1565913088 10095 1992294400 134512640 134550932 4288154080 18446744073709551615 4294960144 0 0 0 16800975 18446604437860386816 0 0 -1 0 0 0 0
[pid=9709/tid=9715] ppid=9707 vsize=1529212 CPUtime=0
/proc/9709/task/9715/stat : 9715 (java) S 9707 9709 9368 0 -1 4202560 10 0 0 0 0 0 0 0 22 0 13 0 6312087 1565913088 10095 1992294400 134512640 134550932 4288154080 18446744073709551615 4294960144 0 4 0 16800975 18446604437860386816 0 0 -1 0 0 0 0
[pid=9709/tid=9716] ppid=9707 vsize=1529212 CPUtime=0
/proc/9709/task/9716/stat : 9716 (java) S 9707 9709 9368 0 -1 4202560 4 0 0 0 0 0 0 0 23 0 13 0 6312087 1565913088 10095 1992294400 134512640 134550932 4288154080 18446744073709551615 4294960144 0 4 0 16800975 18446604437860386816 0 0 -1 0 0 0 0
[pid=9709/tid=9717] ppid=9707 vsize=1529212 CPUtime=0
/proc/9709/task/9717/stat : 9717 (java) S 9707 9709 9368 0 -1 4202560 1 0 0 0 0 0 0 0 24 0 13 0 6312091 1565913088 10095 1992294400 134512640 134550932 4288154080 18446744073709551615 4294960144 0 4 0 16800975 18446604437860386816 0 0 -1 0 0 0 0
[pid=9709/tid=9718] ppid=9707 vsize=1529212 CPUtime=0.57
/proc/9709/task/9718/stat : 9718 (java) S 9707 9709 9368 0 -1 4202560 902 0 0 0 57 0 0 0 25 0 13 0 6312091 1565913088 10095 1992294400 134512640 134550932 4288154080 18446744073709551615 4294960144 0 4 0 16800975 18446604437860386816 0 0 -1 1 0 0 0
[pid=9709/tid=9719] ppid=9707 vsize=1529212 CPUtime=0.58
/proc/9709/task/9719/stat : 9719 (java) S 9707 9709 9368 0 -1 4202560 825 0 0 0 58 0 0 0 25 0 13 0 6312091 1565913088 10095 1992294400 134512640 134550932 4288154080 18446744073709551615 4294960144 0 4 0 16800975 18446604437860386816 0 0 -1 1 0 0 0
[pid=9709/tid=9720] ppid=9707 vsize=1529212 CPUtime=0
/proc/9709/task/9720/stat : 9720 (java) S 9707 9709 9368 0 -1 4202560 1 0 0 0 0 0 0 0 25 0 13 0 6312091 1565913088 10095 1992294400 134512640 134550932 4288154080 18446744073709551615 4294960144 0 4 0 16800975 18446604437860386816 0 0 -1 0 0 0 0
[pid=9709/tid=9721] ppid=9707 vsize=1529212 CPUtime=0
/proc/9709/task/9721/stat : 9721 (java) S 9707 9709 9368 0 -1 4202560 1 0 0 0 0 0 0 0 15 0 13 0 6312091 1565913088 10095 1992294400 134512640 134550932 4288154080 18446744073709551615 4294960144 0 4 0 16800975 18446604437860386816 0 0 -1 1 0 0 0
[pid=9709/tid=9722] ppid=9707 vsize=1529212 CPUtime=0
/proc/9709/task/9722/stat : 9722 (java) S 9707 9709 9368 0 -1 4202560 4 0 0 0 0 0 0 0 19 0 13 0 6312163 1565913088 10095 1992294400 134512640 134550932 4288154080 18446744073709551615 4294960144 0 4 0 16800975 18446604437860386816 0 0 -1 0 0 0 0
Current children cumulated CPU time (s) 2.65
Current children cumulated vsize (KiB) 1529212

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

Child status: 10
Real time (s): 1.59796
CPU time (s): 2.81457
CPU user time (s): 2.73858
CPU system time (s): 0.075988
CPU usage (%): 176.135
Max. virtual memory (cumulated for all children) (KiB): 1529500

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.73858
system time used= 0.075988
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 11187
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= 127
involuntary context switches= 160

runsolver used 0.006998 second user time and 0.017997 second system time

The end

Launcher Data 

Begin job on node019 at 2010-06-12 09:09:18
IDJOB=2659542
IDBENCH=1419
IDSOLVER=1164
FILE ID=node019/2659542-1276326558
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-fpga40_38_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-2659542-1276326558/watcher-2659542-1276326558 -o /tmp/evaluation-result-2659542-1276326558/solver-2659542-1276326558 -C 1800 -W 2000 -M 1800  java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar HOME/instance-2659542-1276326558.opb

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

MD5SUM BENCH= 3df4b6f92f1f3083d4934635de2b04ef
RANDOM SEED=745794034

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:       1779512 kB
Buffers:         65264 kB
Cached:         113728 kB
SwapCached:       1408 kB
Active:          94036 kB
Inactive:       117580 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1779512 kB
SwapTotal:     4192956 kB
SwapFree:      4165036 kB
Dirty:             612 kB
Writeback:           0 kB
AnonPages:       31264 kB
Mapped:          15456 kB
Slab:            46116 kB
PageTables:       4052 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182172 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 09:09:19