Trace number 2691015

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 2010-05-26Wrong Opt. 1.13883 0.59518

General information on the benchmark

Name/PARTIAL-SMALLINT-LIN/PB06/web/uclid_pb_benchmarks/
normalized-elf.rf7.ucl--soft-66-100-0.wbo
MD5SUM0f5209330b13fd9909fb37660b8a3f5d
Bench CategoryPARTIAL-SMALLINT-LIN (both soft and hard constraints, small integers, linear constraints)
Best result obtained on this benchmarkMOPT
Best cost obtained on this benchmark2
Best CPU time to get the best result obtained on this benchmark0.015996
Max-Satisfiable
Max-(Un)Satisfiability was proved
Best value of the cost
Optimality of the best cost was proved
Number of variables1328
Total number of constraints3349
Number of soft constraints1145
Number of constraints which are clauses3165
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints184
Minimum length of a constraint1
Maximum length of a constraint11
Top cost 58120
Min constraint cost 1
Max constraint cost 100
Sum of constraints costs 58119
Biggest number in a constraint 33
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 126
Number of bits of the biggest sum of numbers7
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.04/0.06	c SAT4J: a SATisfiability library for Java (c) 2004-2010 Daniel Le Berre
0.04/0.06	c This is free software under the dual EPL/GNU LGPL licenses.
0.04/0.06	c See www.sat4j.org for details.
0.04/0.06	c version 2.2.0.v20100526
0.04/0.06	c java.runtime.name	Java(TM) SE Runtime Environment
0.04/0.06	c java.vm.name		Java HotSpot(TM) Server VM
0.04/0.06	c java.vm.version	11.2-b01
0.04/0.06	c java.vm.vendor	Sun Microsystems Inc.
0.04/0.06	c sun.arch.data.model	32
0.04/0.06	c java.version		1.6.0_12
0.04/0.06	c os.name		Linux
0.04/0.06	c os.version		2.6.18-164.el5
0.04/0.06	c os.arch		i386
0.04/0.06	c Free memory 		1393557488
0.04/0.06	c Max memory 		1395916800
0.04/0.06	c Total memory 		1395916800
0.04/0.06	c Number of processors 	8
0.04/0.09	c Pseudo Boolean Optimization
0.04/0.09	c --- Begin Solver configuration ---
0.04/0.09	c Stops conflict analysis at the first Unique Implication Point
0.04/0.09	c org.sat4j.pb.constraints.CompetResolutionPBMixedWLClauseCardConstrDataStructure@1764be1
0.04/0.09	c Learn all clauses as in MiniSAT
0.04/0.09	c claDecay=0.999 varDecay=0.95 conflictBoundIncFactor=1.5 initConflictBound=100 
0.04/0.09	c VSIDS like heuristics from MiniSAT using a heap lightweight component caching from RSAT taking into account the objective function
0.04/0.09	c Expensive reason simplification
0.04/0.09	c Armin Biere (Picosat) restarts strategy
0.04/0.09	c Glucose learned constraints deletion strategy
0.04/0.09	c timeout=2147483s
0.04/0.09	c DB Simplification allowed=false
0.04/0.09	c --- End Solver configuration ---
0.04/0.09	c solving HOME/instance-2691015-1277915346.wbo
0.04/0.09	c reading problem ... 
0.30/0.29	c ... done. Wall clock time 0.198s.
0.30/0.29	c #vars     2473
0.30/0.29	c #constraints  3349
0.30/0.29	c constraints type 
0.30/0.29	c org.sat4j.minisat.constraints.cnf.OriginalWLClause => 747
0.30/0.29	c org.sat4j.minisat.constraints.card.MinWatchCard => 297
0.30/0.29	c org.sat4j.minisat.constraints.cnf.OriginalBinaryClause => 2121
0.30/0.29	c org.sat4j.pb.constraints.pb.MaxWatchPb => 184
0.76/0.44	c SATISFIABLE
0.76/0.44	c OPTIMIZING...
0.76/0.44	c Got one! Elapsed wall clock time (in seconds):0.351
0.76/0.44	o 30
0.76/0.46	c starts		: 1
0.76/0.46	c conflicts		: 49
0.76/0.46	c decisions		: 2654
0.76/0.46	c propagations		: 10237
0.76/0.46	c inspects		: 20638
0.76/0.46	c learnt literals	: 0
0.76/0.46	c learnt binary clauses	: 1
0.76/0.46	c learnt ternary clauses	: 6
0.76/0.46	c learnt clauses	: 49
0.76/0.46	c ignored clauses	: 0
0.76/0.46	c root simplifications	: 0
0.76/0.46	c removed literals (reason simplification)	: 65
0.76/0.46	c reason swapping (by a shorter reason)	: 0
0.76/0.46	c Calls to reduceDB	: 0
0.76/0.46	c number of reductions to clauses (during analyze)	: 0
0.76/0.46	c number of learned constraints concerned by reduction	: 0
0.76/0.46	c number of learning phase by resolution	: 0
0.76/0.46	c number of learning phase by cutting planes	: 0
0.76/0.46	c speed (assignments/second)	: 731214.2857142857
0.76/0.46	c non guided choices	292
0.76/0.46	c learnt constraints type 
0.76/0.46	c constraints type 
0.76/0.46	c org.sat4j.minisat.constraints.cnf.OriginalWLClause => 747
0.76/0.46	c org.sat4j.minisat.constraints.card.MinWatchCard => 297
0.76/0.46	c org.sat4j.minisat.constraints.cnf.OriginalBinaryClause => 2121
0.76/0.46	c org.sat4j.pb.constraints.pb.MaxWatchPb => 184
0.76/0.46	s OPTIMUM FOUND
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0.76/0.46	c objective function=30
0.76/0.46	c Total wall clock time (in seconds): 0.372

Verifier Data 

OK	30

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2691015-1277915346/watcher-2691015-1277915346 -o /tmp/evaluation-result-2691015-1277915346/solver-2691015-1277915346 -C 1800 -W 2000 -M 3800 java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar HOME/instance-2691015-1277915346.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: 1.74 1.91 1.97 3/178 13732
/proc/meminfo: memFree=31736164/32950928 swapFree=67111528/67111528
[pid=13732] ppid=13730 vsize=13164 CPUtime=0
/proc/13732/stat : 13732 (java) R 13730 13732 12623 0 -1 4194304 931 0 0 0 0 0 0 0 25 0 1 0 132680258 13479936 425 4089446400 134512640 134550932 4292566480 18446744073709551615 7771781 0 0 4096 0 0 0 0 17 4 0 0 0
/proc/13732/statm: 3291 429 144 10 0 1121 0

[startup+0.0520179 s]
/proc/loadavg: 1.74 1.91 1.97 3/178 13732
/proc/meminfo: memFree=31736164/32950928 swapFree=67111528/67111528
[pid=13732] ppid=13730 vsize=1528560 CPUtime=0.04
/proc/13732/stat : 13732 (java) S 13730 13732 12623 0 -1 4202496 4076 0 1 0 3 1 0 0 25 0 18 0 132680258 1565245440 3512 4089446400 134512640 134550932 4292566480 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 4 0 0 0
/proc/13732/statm: 382140 3512 1079 10 0 379442 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 1528560

[startup+0.100966 s]
/proc/loadavg: 1.74 1.91 1.97 3/178 13732
/proc/meminfo: memFree=31736164/32950928 swapFree=67111528/67111528
[pid=13732] ppid=13730 vsize=1529696 CPUtime=0.11
/proc/13732/stat : 13732 (java) S 13730 13732 12623 0 -1 4202496 5240 0 1 0 10 1 0 0 25 0 18 0 132680258 1566408704 4674 4089446400 134512640 134550932 4292566480 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 4 0 0 0
/proc/13732/statm: 382424 4675 1348 10 0 379726 0
Current children cumulated CPU time (s) 0.11
Current children cumulated vsize (KiB) 1529696

[startup+0.300888 s]
/proc/loadavg: 1.74 1.91 1.97 3/178 13732
/proc/meminfo: memFree=31736164/32950928 swapFree=67111528/67111528
[pid=13732] ppid=13730 vsize=1531520 CPUtime=0.55
/proc/13732/stat : 13732 (java) S 13730 13732 12623 0 -1 4202496 8801 0 1 0 54 1 0 0 25 0 18 0 132680258 1568276480 8056 4089446400 134512640 134550932 4292566480 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 4 0 0 0
/proc/13732/statm: 382880 8057 1410 10 0 380182 0
Current children cumulated CPU time (s) 0.55
Current children cumulated vsize (KiB) 1531520

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

[startup+0.500893 s]
/proc/loadavg: 1.74 1.91 1.97 3/178 13732
/proc/meminfo: memFree=31736164/32950928 swapFree=67111528/67111528
[pid=13732] ppid=13730 vsize=1537392 CPUtime=1.03
/proc/13732/stat : 13732 (java) S 13730 13732 12623 0 -1 4202496 10881 0 1 0 101 2 0 0 25 0 19 0 132680258 1574289408 9715 4089446400 134512640 134550932 4292566480 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 4 0 0 0
/proc/13732/statm: 384348 9715 1424 10 0 381650 0
Current children cumulated CPU time (s) 1.03
Current children cumulated vsize (KiB) 1537392

Child status: 30
Real time (s): 0.59518
CPU time (s): 1.13883
CPU user time (s): 1.11283
CPU system time (s): 0.025996
CPU usage (%): 191.341
Max. virtual memory (cumulated for all children) (KiB): 1537392

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.11283
system time used= 0.025996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 12334
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= 187
involuntary context switches= 24

runsolver used 0.001999 second user time and 0.006998 second system time

The end

Launcher Data 

Begin job on node127 at 2010-06-30 18:29:06
IDJOB=2691015
IDBENCH=79051
IDSOLVER=1202
FILE ID=node127/2691015-1277915346
PBS_JOBID= 11197272
Free space on /tmp= 74204 MiB

SOLVER NAME= SAT4J PB Resolution 2.2.0 2010-05-26
BENCH NAME= PB10/normalized-PB10/PARTIAL-SMALLINT-LIN/PB06/web/uclid_pb_benchmarks/normalized-elf.rf7.ucl--soft-66-100-0.wbo
COMMAND LINE= java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2691015-1277915346/watcher-2691015-1277915346 -o /tmp/evaluation-result-2691015-1277915346/solver-2691015-1277915346 -C 1800 -W 2000 -M 3800  java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar HOME/instance-2691015-1277915346.wbo

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

MD5SUM BENCH= 0f5209330b13fd9909fb37660b8a3f5d
RANDOM SEED=2053863779

node127.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		: 2666.828
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	: 5333.65
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		: 2666.828
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	: 5332.75
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		: 2666.828
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	: 5332.75
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		: 2666.828
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	: 5332.72
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		: 2666.828
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	: 5332.74
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		: 2666.828
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	: 5332.75
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		: 2666.828
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		: 2666.828
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:     32950928 kB
MemFree:      31736552 kB
Buffers:        203372 kB
Cached:         714500 kB
SwapCached:          0 kB
Active:         569180 kB
Inactive:       502428 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      31736552 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:             540 kB
Writeback:           0 kB
AnonPages:      153732 kB
Mapped:          16940 kB
Slab:            78376 kB
PageTables:       4856 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS:   302460 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= 74200 MiB
End job on node127 at 2010-06-30 18:29:07