Trace number 2691798

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 CuttingPlanes 2.2.0 2010-05-26Wrong Opt. 0.814875 0.426459

General information on the benchmark

Name/PARTIAL-SMALLINT-LIN/PB06/submitted-PB06/roussel/
normalized-pigeon-cardinality-31-30--soft-66-100-0.wbo
MD5SUM318c9cc5b16e210b9b0a9873d7c14d4c
Bench CategoryPARTIAL-SMALLINT-LIN (both soft and hard constraints, small integers, linear constraints)
Best result obtained on this benchmarkMOPT
Best cost obtained on this benchmark1
Best CPU time to get the best result obtained on this benchmark0.020996
Max-Satisfiable
Max-(Un)Satisfiability was proved
Best value of the cost
Optimality of the best cost was proved
Number of variables930
Total number of constraints61
Number of soft constraints16
Number of constraints which are clauses31
Number of constraints which are cardinality constraints (but not clauses)30
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint30
Maximum length of a constraint31
Top cost 916
Min constraint cost 1
Max constraint cost 96
Sum of constraints costs 915
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 32
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 

0.04/0.07	c SAT4J: a SATisfiability library for Java (c) 2004-2010 Daniel Le Berre
0.04/0.07	c This is free software under the dual EPL/GNU LGPL licenses.
0.04/0.07	c See www.sat4j.org for details.
0.04/0.07	c version 2.2.0.v20100526
0.04/0.07	c java.runtime.name	Java(TM) SE Runtime Environment
0.04/0.07	c java.vm.name		Java HotSpot(TM) Server VM
0.04/0.07	c java.vm.version	11.2-b01
0.04/0.07	c java.vm.vendor	Sun Microsystems Inc.
0.04/0.07	c sun.arch.data.model	32
0.04/0.07	c java.version		1.6.0_12
0.04/0.07	c os.name		Linux
0.04/0.07	c os.version		2.6.18-164.el5
0.04/0.07	c os.arch		i386
0.04/0.07	c Free memory 		1393557488
0.04/0.07	c Max memory 		1395916800
0.04/0.07	c Total memory 		1395916800
0.04/0.07	c Number of processors 	8
0.11/0.10	c Pseudo Boolean Optimization
0.11/0.10	c Cutting planes based inference (org.sat4j.pb.core.PBSolverCP)
0.11/0.10	c --- Begin Solver configuration ---
0.11/0.10	c Stops conflict analysis at the first Unique Implication Point
0.11/0.10	c org.sat4j.pb.constraints.PBMaxClauseCardConstrDataStructure@1c1ea29
0.11/0.10	c Learn all clauses as in MiniSAT
0.11/0.10	c claDecay=0.999 varDecay=0.95 conflictBoundIncFactor=1.5 initConflictBound=100 
0.11/0.10	c VSIDS like heuristics from MiniSAT using a heap phase appearing in latest learned clause taking into account the objective function
0.11/0.10	c No reason simplification
0.11/0.10	c Armin Biere (Picosat) restarts strategy
0.11/0.10	c Glucose learned constraints deletion strategy
0.11/0.10	c timeout=2147483s
0.11/0.10	c DB Simplification allowed=false
0.11/0.10	c --- End Solver configuration ---
0.11/0.10	c solving HOME/instance-2691798-1277891751.wbo
0.11/0.10	c reading problem ... 
0.11/0.17	c ... done. Wall clock time 0.071s.
0.11/0.17	c #vars     946
0.11/0.17	c #constraints  61
0.11/0.17	c constraints type 
0.11/0.17	c org.sat4j.pb.constraints.pb.OriginalHTClausePB => 31
0.11/0.17	c org.sat4j.pb.constraints.pb.MinWatchCardPB => 30
0.50/0.37	c SATISFIABLE
0.50/0.37	c OPTIMIZING...
0.50/0.37	c Got one! Elapsed wall clock time (in seconds):0.272
0.50/0.37	o 14
0.50/0.38	c starts		: 1
0.50/0.38	c conflicts		: 47
0.50/0.38	c decisions		: 1306
0.50/0.38	c propagations		: 2383
0.50/0.38	c inspects		: 1624
0.50/0.38	c learnt literals	: 0
0.50/0.38	c learnt binary clauses	: 0
0.50/0.38	c learnt ternary clauses	: 0
0.50/0.38	c learnt clauses	: 47
0.50/0.38	c ignored clauses	: 0
0.50/0.38	c root simplifications	: 0
0.50/0.38	c removed literals (reason simplification)	: 0
0.50/0.38	c reason swapping (by a shorter reason)	: 0
0.50/0.38	c Calls to reduceDB	: 0
0.50/0.38	c number of reductions to clauses (during analyze)	: 0
0.50/0.38	c number of learned constraints concerned by reduction	: 0
0.50/0.38	c number of learning phase by resolution	: 0
0.50/0.38	c number of learning phase by cutting planes	: 0
0.50/0.38	c speed (assignments/second)	: 340428.5714285714
0.50/0.38	c non guided choices	440
0.50/0.38	c learnt constraints type 
0.50/0.38	c constraints type 
0.50/0.38	c org.sat4j.pb.constraints.pb.OriginalHTClausePB => 31
0.50/0.38	c org.sat4j.pb.constraints.pb.MinWatchCardPB => 30
0.50/0.38	c org.sat4j.pb.constraints.pb.MaxWatchPb => 0
0.50/0.38	s OPTIMUM FOUND
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-x852 -x853 -x854 -x855 -x856 -x857 -x858 -x859 -x860 -x861 -x862 -x863 -x864 -x865 -x866 -x867 -x868 -x869 -x870 -x871 x872 -x873 -x874 -x875 -x876 -x877 -x878 -x879 -x880 -x881 -x882 -x883 -x884 -x885 -x886 -x887 -x888 -x889 -x890 -x891 -x892 -x893 -x894 -x895 -x896 -x897 -x898 -x899 -x900 x901 -x902 -x903 -x904 -x905 -x906 -x907 -x908 -x909 -x910 -x911 -x912 -x913 -x914 -x915 -x916 -x917 -x918 -x919 -x920 -x921 -x922 -x923 -x924 -x925 -x926 -x927 -x928 -x929 -x930 
0.50/0.38	c objective function=14
0.50/0.38	c Total wall clock time (in seconds): 0.282

Verifier Data 

OK	14

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2691798-1277891751/watcher-2691798-1277891751 -o /tmp/evaluation-result-2691798-1277891751/solver-2691798-1277891751 -C 1800 -W 2000 -M 3800 java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar CuttingPlanes HOME/instance-2691798-1277891751.wbo 

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): 3891200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 3942400 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.00 2.00 2.17 3/196 9108
/proc/meminfo: memFree=30563788/32951124 swapFree=67111528/67111528
[pid=9108] ppid=9106 vsize=13164 CPUtime=0
/proc/9108/stat : 9108 (java) R 9106 9108 8126 0 -1 4194304 793 0 0 0 0 0 0 0 20 0 1 0 130472426 13479936 354 4089446400 134512640 134550932 4292264560 18446744073709551615 9512581 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/9108/statm: 3291 359 142 10 0 1121 0

[startup+0.069685 s]
/proc/loadavg: 2.00 2.00 2.17 3/196 9108
/proc/meminfo: memFree=30563788/32951124 swapFree=67111528/67111528
[pid=9108] ppid=9106 vsize=1528560 CPUtime=0.04
/proc/9108/stat : 9108 (java) S 9106 9108 8126 0 -1 4202496 4257 0 1 0 4 0 0 0 20 0 18 0 130472426 1565245440 3696 4089446400 134512640 134550932 4292264560 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 5 0 0 0
/proc/9108/statm: 382140 3697 1091 10 0 379442 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 1528560

[startup+0.100666 s]
/proc/loadavg: 2.00 2.00 2.17 3/196 9108
/proc/meminfo: memFree=30563788/32951124 swapFree=67111528/67111528
[pid=9108] ppid=9106 vsize=1529872 CPUtime=0.11
/proc/9108/stat : 9108 (java) S 9106 9108 8126 0 -1 4202496 5204 0 1 0 10 1 0 0 20 0 18 0 130472426 1566588928 4641 4089446400 134512640 134550932 4292264560 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 5 0 0 0
/proc/9108/statm: 382468 4641 1347 10 0 379770 0
Current children cumulated CPU time (s) 0.11
Current children cumulated vsize (KiB) 1529872

[startup+0.301675 s]
/proc/loadavg: 2.00 2.00 2.17 3/196 9108
/proc/meminfo: memFree=30563788/32951124 swapFree=67111528/67111528
[pid=9108] ppid=9106 vsize=1533072 CPUtime=0.5
/proc/9108/stat : 9108 (java) S 9106 9108 8126 0 -1 4202496 7018 0 1 0 49 1 0 0 20 0 19 0 130472426 1569865728 6455 4089446400 134512640 134550932 4292264560 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 5 0 0 0
/proc/9108/statm: 383268 6455 1418 10 0 380570 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 1533072

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

[startup+0.400654 s]
/proc/loadavg: 2.00 2.00 2.17 3/196 9108
/proc/meminfo: memFree=30563788/32951124 swapFree=67111528/67111528
[pid=9108] ppid=9106 vsize=1534944 CPUtime=0.78
/proc/9108/stat : 9108 (java) S 9106 9108 8126 0 -1 4202496 8217 0 1 0 77 1 0 0 20 0 19 0 130472426 1571782656 7271 4089446400 134512640 134550932 4292264560 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 5 0 0 0
/proc/9108/statm: 383736 7272 1419 10 0 381038 0
Current children cumulated CPU time (s) 0.78
Current children cumulated vsize (KiB) 1534944

Child status: 30
Real time (s): 0.426459
CPU time (s): 0.814875
CPU user time (s): 0.796878
CPU system time (s): 0.017997
CPU usage (%): 191.079
Max. virtual memory (cumulated for all children) (KiB): 1534944

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.796878
system time used= 0.017997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8221
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= 206
involuntary context switches= 22

runsolver used 0.000999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node105 at 2010-06-30 11:55:51
IDJOB=2691798
IDBENCH=78707
IDSOLVER=1203
FILE ID=node105/2691798-1277891751
PBS_JOBID= 11197144
Free space on /tmp= 74212 MiB

SOLVER NAME= SAT4J PB CuttingPlanes 2.2.0 2010-05-26
BENCH NAME= PB10/normalized-PB10/PARTIAL-SMALLINT-LIN/PB06/submitted-PB06/roussel/normalized-pigeon-cardinality-31-30--soft-66-100-0.wbo
COMMAND LINE= java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar CuttingPlanes BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2691798-1277891751/watcher-2691798-1277891751 -o /tmp/evaluation-result-2691798-1277891751/solver-2691798-1277891751 -C 1800 -W 2000 -M 3800  java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar CuttingPlanes HOME/instance-2691798-1277891751.wbo

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 3800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 318c9cc5b16e210b9b0a9873d7c14d4c
RANDOM SEED=313964210

node105.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	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.840
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5333.68
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.840
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5226.15
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.840
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.840
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.840
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.94
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.840
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.70
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.840
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.840
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.76
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      30564556 kB
Buffers:        175052 kB
Cached:        1803544 kB
SwapCached:          0 kB
Active:         709856 kB
Inactive:      1531400 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      30564556 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:             484 kB
Writeback:           0 kB
AnonPages:      262356 kB
Mapped:          20360 kB
Slab:            79532 kB
PageTables:       5432 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:  1641868 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296008 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 74212 MiB
End job on node105 at 2010-06-30 11:55:51