Trace number 2691730

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. 1.14882 0.53361

General information on the benchmark

Name/PARTIAL-SMALLINT-LIN/PB06/submitted-PB05/aloul/FPGA_SAT05/
normalized-chnl20_25_pb.cnf.cr--soft-66-100-0.wbo
MD5SUM42da1cd697f3cedc8c0556e71b08964e
Bench CategoryPARTIAL-SMALLINT-LIN (both soft and hard constraints, small integers, linear constraints)
Best result obtained on this benchmarkMOPT
Best cost obtained on this benchmark19
Best CPU time to get the best result obtained on this benchmark0.052991
Max-Satisfiable
Max-(Un)Satisfiability was proved
Best value of the cost
Optimality of the best cost was proved
Number of variables1000
Total number of constraints90
Number of soft constraints38
Number of constraints which are clauses50
Number of constraints which are cardinality constraints (but not clauses)40
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint20
Maximum length of a constraint25
Top cost 1923
Min constraint cost 1
Max constraint cost 95
Sum of constraints costs 1922
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 26
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

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

Solver Data 

0.01/0.07	c SAT4J: a SATisfiability library for Java (c) 2004-2010 Daniel Le Berre
0.01/0.07	c This is free software under the dual EPL/GNU LGPL licenses.
0.01/0.07	c See www.sat4j.org for details.
0.01/0.07	c version 2.2.0.v20100526
0.01/0.07	c java.runtime.name	Java(TM) SE Runtime Environment
0.01/0.07	c java.vm.name		Java HotSpot(TM) Server VM
0.01/0.07	c java.vm.version	11.2-b01
0.01/0.07	c java.vm.vendor	Sun Microsystems Inc.
0.01/0.07	c sun.arch.data.model	32
0.01/0.07	c java.version		1.6.0_12
0.01/0.07	c os.name		Linux
0.01/0.07	c os.version		2.6.18-164.el5
0.01/0.07	c os.arch		i386
0.01/0.07	c Free memory 		1393557488
0.01/0.07	c Max memory 		1395916800
0.01/0.07	c Total memory 		1395916800
0.01/0.07	c Number of processors 	8
0.10/0.10	c Pseudo Boolean Optimization
0.10/0.10	c Cutting planes based inference (org.sat4j.pb.core.PBSolverCP)
0.10/0.10	c --- Begin Solver configuration ---
0.10/0.10	c Stops conflict analysis at the first Unique Implication Point
0.10/0.10	c org.sat4j.pb.constraints.PBMaxClauseCardConstrDataStructure@1b16e52
0.10/0.10	c Learn all clauses as in MiniSAT
0.10/0.10	c claDecay=0.999 varDecay=0.95 conflictBoundIncFactor=1.5 initConflictBound=100 
0.10/0.10	c VSIDS like heuristics from MiniSAT using a heap phase appearing in latest learned clause taking into account the objective function
0.10/0.10	c No reason simplification
0.10/0.10	c Armin Biere (Picosat) restarts strategy
0.10/0.10	c Glucose learned constraints deletion strategy
0.10/0.10	c timeout=2147483s
0.10/0.10	c DB Simplification allowed=false
0.10/0.10	c --- End Solver configuration ---
0.10/0.10	c solving HOME/instance-2691730-1277971506.wbo
0.10/0.10	c reading problem ... 
0.10/0.17	c ... done. Wall clock time 0.069s.
0.10/0.17	c #vars     1038
0.10/0.17	c #constraints  90
0.10/0.17	c constraints type 
0.10/0.17	c org.sat4j.pb.constraints.pb.OriginalHTClausePB => 50
0.10/0.17	c org.sat4j.pb.constraints.pb.MinWatchCardPB => 40
0.82/0.44	c SATISFIABLE
0.82/0.44	c OPTIMIZING...
0.82/0.44	c Got one! Elapsed wall clock time (in seconds):0.336
0.82/0.44	o 930
0.82/0.45	c Got one! Elapsed wall clock time (in seconds):0.348
0.82/0.45	o 197
0.82/0.47	c starts		: 4
0.82/0.47	c conflicts		: 134
0.82/0.47	c decisions		: 3206
0.82/0.47	c propagations		: 10428
0.82/0.47	c inspects		: 11458
0.82/0.47	c learnt literals	: 0
0.82/0.47	c learnt binary clauses	: 0
0.82/0.47	c learnt ternary clauses	: 0
0.82/0.47	c learnt clauses	: 133
0.82/0.47	c ignored clauses	: 0
0.82/0.47	c root simplifications	: 0
0.82/0.47	c removed literals (reason simplification)	: 0
0.82/0.47	c reason swapping (by a shorter reason)	: 0
0.82/0.47	c Calls to reduceDB	: 0
0.82/0.47	c number of reductions to clauses (during analyze)	: 0
0.82/0.47	c number of learned constraints concerned by reduction	: 0
0.82/0.47	c number of learning phase by resolution	: 0
0.82/0.47	c number of learning phase by cutting planes	: 0
0.82/0.47	c speed (assignments/second)	: 521400.0
0.82/0.47	c non guided choices	1170
0.82/0.47	c learnt constraints type 
0.82/0.47	c constraints type 
0.82/0.47	c org.sat4j.pb.constraints.pb.OriginalHTClausePB => 50
0.82/0.47	c org.sat4j.pb.constraints.pb.MinWatchCardPB => 40
0.82/0.47	c org.sat4j.pb.constraints.pb.MaxWatchPb => 0
0.82/0.47	s OPTIMUM FOUND
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0.82/0.47	c objective function=197
0.82/0.47	c Total wall clock time (in seconds): 0.373

Verifier Data 

OK	197

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2691730-1277971506/watcher-2691730-1277971506 -o /tmp/evaluation-result-2691730-1277971506/solver-2691730-1277971506 -C 1800 -W 2000 -M 3800 java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar CuttingPlanes HOME/instance-2691730-1277971506.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: 1.06 0.53 0.20 3/178 23019
/proc/meminfo: memFree=30897604/32951124 swapFree=67111528/67111528
[pid=23019] ppid=23017 vsize=244 CPUtime=0
/proc/23019/stat : 23019 (java) R 23017 23019 22993 0 -1 4194304 264 0 0 0 0 0 0 0 17 0 1 0 138445256 249856 11 4089446400 134512640 134550932 4290638720 18446744073709551615 10555183 0 0 4096 0 0 0 0 17 5 0 0 0
/proc/23019/statm: 61 22 15 10 0 22 0

[startup+0.022687 s]
/proc/loadavg: 1.06 0.53 0.20 3/178 23019
/proc/meminfo: memFree=30897604/32951124 swapFree=67111528/67111528
[pid=23019] ppid=23017 vsize=1523456 CPUtime=0.01
/proc/23019/stat : 23019 (java) S 23017 23019 22993 0 -1 4202496 3413 0 1 0 1 0 0 0 17 0 10 0 138445256 1560018944 2857 4089446400 134512640 134550932 4290638720 18446744073709551615 4294960144 0 0 0 16784584 18446744073709551615 0 0 17 6 0 0 0
/proc/23019/statm: 380864 2858 945 10 0 378174 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 1523456

[startup+0.100676 s]
/proc/loadavg: 1.06 0.53 0.20 3/178 23019
/proc/meminfo: memFree=30897604/32951124 swapFree=67111528/67111528
[pid=23019] ppid=23017 vsize=1529880 CPUtime=0.1
/proc/23019/stat : 23019 (java) S 23017 23019 22993 0 -1 4202496 5206 0 1 0 10 0 0 0 17 0 18 0 138445256 1566597120 4644 4089446400 134512640 134550932 4290638720 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 6 0 0 0
/proc/23019/statm: 382470 4645 1347 10 0 379772 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 1529880

[startup+0.300622 s]
/proc/loadavg: 1.06 0.53 0.20 3/178 23019
/proc/meminfo: memFree=30897604/32951124 swapFree=67111528/67111528
[pid=23019] ppid=23017 vsize=1533012 CPUtime=0.53
/proc/23019/stat : 23019 (java) S 23017 23019 22993 0 -1 4202496 7028 0 1 0 52 1 0 0 17 0 19 0 138445256 1569804288 6404 4089446400 134512640 134550932 4290638720 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 6 0 0 0
/proc/23019/statm: 383253 6404 1418 10 0 380555 0
Current children cumulated CPU time (s) 0.53
Current children cumulated vsize (KiB) 1533012

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

[startup+0.500587 s]
/proc/loadavg: 1.06 0.53 0.20 3/178 23019
/proc/meminfo: memFree=30897604/32951124 swapFree=67111528/67111528
[pid=23019] ppid=23017 vsize=1534568 CPUtime=1.1
/proc/23019/stat : 23019 (java) S 23017 23019 22993 0 -1 4202496 10066 0 1 0 109 1 0 0 17 0 19 0 138445256 1571397632 8470 4089446400 134512640 134550932 4290638720 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 6 0 0 0
/proc/23019/statm: 383642 8470 1420 10 0 380944 0
Current children cumulated CPU time (s) 1.1
Current children cumulated vsize (KiB) 1534568

Child status: 30
Real time (s): 0.53361
CPU time (s): 1.14882
CPU user time (s): 1.13083
CPU system time (s): 0.017997
CPU usage (%): 215.293
Max. virtual memory (cumulated for all children) (KiB): 1534568

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.13083
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= 10106
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= 199
involuntary context switches= 38

runsolver used 0.002999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node146 at 2010-07-01 10:05:06
IDJOB=2691730
IDBENCH=78672
IDSOLVER=1203
FILE ID=node146/2691730-1277971506
PBS_JOBID= 11197875
Free space on /tmp= 74176 MiB

SOLVER NAME= SAT4J PB CuttingPlanes 2.2.0 2010-05-26
BENCH NAME= PB10/normalized-PB10/PARTIAL-SMALLINT-LIN/PB06/submitted-PB05/aloul/FPGA_SAT05/normalized-chnl20_25_pb.cnf.cr--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-2691730-1277971506/watcher-2691730-1277971506 -o /tmp/evaluation-result-2691730-1277971506/solver-2691730-1277971506 -C 1800 -W 2000 -M 3800  java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar CuttingPlanes HOME/instance-2691730-1277971506.wbo

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

MD5SUM BENCH= 42da1cd697f3cedc8c0556e71b08964e
RANDOM SEED=1000692426

node146.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		: 2666.839
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	: 5333.67
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		: 2666.839
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	: 5332.83
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		: 2666.839
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		: 2666.839
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	: 5332.83
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		: 2666.839
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	: 5332.67
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		: 2666.839
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	: 5332.82
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		: 2666.839
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	: 5332.74
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		: 2666.839
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	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      30898240 kB
Buffers:        223592 kB
Cached:        1331212 kB
SwapCached:          0 kB
Active:         770520 kB
Inactive:      1135104 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      30898240 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:             424 kB
Writeback:           0 kB
AnonPages:      350656 kB
Mapped:          15048 kB
Slab:            84316 kB
PageTables:       5228 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   495008 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= 74176 MiB
End job on node146 at 2010-07-01 10:05:07