Trace number 2699539

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 2010-05-26OPTIMUM 0.241962 0.204045

General information on the benchmark

Name/PARTIAL-SMALLINT-LIN/wcsp/academics/
normalized-4queens_wcsp.wbo
MD5SUM1d8258c22bc483b2975ac7eb72afa9f4
Bench CategoryPARTIAL-SMALLINT-LIN (both soft and hard constraints, small integers, linear constraints)
Best result obtained on this benchmarkMOPT
Best cost obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.010997
Max-Satisfiable
Max-(Un)Satisfiability was proved
Best value of the cost
Optimality of the best cost was proved
Number of variables16
Total number of constraints264
Number of soft constraints260
Number of constraints which are clauses260
Number of constraints which are cardinality constraints (but not clauses)4
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint2
Maximum length of a constraint4
Top cost 1
Min constraint cost 1
Max constraint cost 1
Sum of constraints costs 260
Biggest number in a constraint 3
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 7
Number of bits of the biggest sum of numbers3
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.
0.04/0.07	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-2699539-1278533783.wbo
0.11/0.10	c reading problem ... 
0.11/0.16	c ... done. Wall clock time 0.061s.
0.11/0.16	c #vars     276
0.11/0.16	c #constraints  528
0.11/0.16	c constraints type 
0.11/0.16	c org.sat4j.pb.constraints.pb.OriginalHTClausePB => 4
0.11/0.16	c org.sat4j.pb.constraints.pb.MinWatchCardPB => 32
0.11/0.16	c org.sat4j.pb.constraints.pb.MaxWatchPb => 232
0.11/0.18	c SATISFIABLE
0.11/0.18	c OPTIMIZING...
0.11/0.18	c Got one! Elapsed wall clock time (in seconds):0.082
0.11/0.18	o 0
0.11/0.19	c starts		: 1
0.11/0.19	c conflicts		: 2
0.11/0.19	c decisions		: 10
0.11/0.19	c propagations		: 285
0.11/0.19	c inspects		: 452
0.11/0.19	c learnt literals	: 0
0.11/0.19	c learnt binary clauses	: 0
0.11/0.19	c learnt ternary clauses	: 0
0.11/0.19	c learnt clauses	: 2
0.11/0.19	c ignored clauses	: 0
0.11/0.19	c root simplifications	: 0
0.11/0.19	c removed literals (reason simplification)	: 0
0.11/0.19	c reason swapping (by a shorter reason)	: 0
0.11/0.19	c Calls to reduceDB	: 0
0.11/0.19	c number of reductions to clauses (during analyze)	: 0
0.11/0.19	c number of learned constraints concerned by reduction	: 0
0.11/0.19	c number of learning phase by resolution	: 0
0.11/0.19	c number of learning phase by cutting planes	: 0
0.11/0.19	c speed (assignments/second)	: 12954.545454545456
0.11/0.19	c non guided choices	8
0.11/0.19	c learnt constraints type 
0.11/0.19	c org.sat4j.pb.constraints.pb.MaxWatchPb => 2
0.11/0.19	c constraints type 
0.11/0.19	c org.sat4j.pb.constraints.pb.OriginalHTClausePB => 4
0.11/0.19	c org.sat4j.pb.constraints.pb.MinWatchCardPB => 32
0.11/0.19	c org.sat4j.pb.constraints.pb.MaxWatchPb => 232
0.11/0.19	s OPTIMUM FOUND
0.11/0.19	v -x1 -x2 x3 -x4 x5 -x6 -x7 -x8 -x9 -x10 -x11 x12 -x13 x14 -x15 -x16 
0.11/0.19	c objective function=0
0.11/0.19	c Total wall clock time (in seconds): 0.085

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-2699539-1278533783/watcher-2699539-1278533783 -o /tmp/evaluation-result-2699539-1278533783/solver-2699539-1278533783 -C 1800 -W 2000 -M 3800 java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar CuttingPlanes HOME/instance-2699539-1278533783.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: 0.00 0.01 0.00 2/177 7438
/proc/meminfo: memFree=28478096/32951124 swapFree=67111528/67111528
[pid=7438] ppid=7436 vsize=13472 CPUtime=0
/proc/7438/stat : 7438 (java) S 7436 7438 7412 0 -1 4202496 1101 0 0 0 0 0 0 0 20 0 2 0 21591060 13795328 573 4089446400 134512640 134550932 4294164256 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 5 0 0 0
/proc/7438/statm: 3368 573 259 10 0 1202 0
[pid=7438/tid=7439] ppid=7436 vsize=13480 CPUtime=0
/proc/7438/task/7439/stat : 7439 (java) R 7436 7438 7412 0 -1 4202560 64 0 0 0 0 0 0 0 21 0 2 0 21591061 13803520 577 4089446400 134512640 134550932 4294164256 18446744073709551615 4294960144 0 0 0 16784584 0 0 0 -1 5 0 0 0

[startup+0.0512551 s]
/proc/loadavg: 0.00 0.01 0.00 2/177 7438
/proc/meminfo: memFree=28478096/32951124 swapFree=67111528/67111528
[pid=7438] ppid=7436 vsize=1528572 CPUtime=0.04
/proc/7438/stat : 7438 (java) S 7436 7438 7412 0 -1 4202496 4014 0 1 0 3 1 0 0 20 0 18 0 21591060 1565257728 3453 4089446400 134512640 134550932 4294164256 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 5 0 0 0
/proc/7438/statm: 382143 3453 1078 10 0 379445 0
[pid=7438/tid=7439] ppid=7436 vsize=1528572 CPUtime=0.03
/proc/7438/task/7439/stat : 7439 (java) R 7436 7438 7412 0 -1 4202560 2929 0 1 0 3 0 0 0 22 0 18 0 21591061 1565257728 3453 4089446400 134512640 134550932 4294164256 18446744073709551615 106334913 0 4 0 16800975 0 0 0 -1 2 0 0 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 1528572

[startup+0.100301 s]
/proc/loadavg: 0.00 0.01 0.00 2/177 7438
/proc/meminfo: memFree=28478096/32951124 swapFree=67111528/67111528
[pid=7438] ppid=7436 vsize=1530044 CPUtime=0.11
/proc/7438/stat : 7438 (java) S 7436 7438 7412 0 -1 4202496 5170 0 1 0 10 1 0 0 20 0 18 0 21591060 1566765056 4606 4089446400 134512640 134550932 4294164256 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 5 0 0 0
/proc/7438/statm: 382511 4606 1347 10 0 379813 0
[pid=7438/tid=7439] ppid=7436 vsize=1530044 CPUtime=0.07
/proc/7438/task/7439/stat : 7439 (java) R 7436 7438 7412 0 -1 4202560 3502 0 1 0 7 0 0 0 23 0 18 0 21591061 1566765056 4606 4089446400 134512640 134550932 4294164256 18446744073709551615 106548004 0 4 0 16800975 0 0 0 -1 0 0 0 0
Current children cumulated CPU time (s) 0.11
Current children cumulated vsize (KiB) 1530044

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

[startup+0.200345 s]
/proc/loadavg: 0.00 0.01 0.00 2/177 7438
/proc/meminfo: memFree=28478096/32951124 swapFree=67111528/67111528
[pid=7438] ppid=7436 vsize=1530996 CPUtime=0.23
/proc/7438/stat : 7438 (java) S 7436 7438 7412 0 -1 4202496 5812 0 1 0 22 1 0 0 20 0 19 0 21591060 1567739904 5244 4089446400 134512640 134550932 4294164256 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 5 0 0 0
/proc/7438/statm: 382749 5244 1379 10 0 380051 0
[pid=7438/tid=7439] ppid=7436 vsize=1530996 CPUtime=0.16
/proc/7438/task/7439/stat : 7439 (java) S 7436 7438 7412 0 -1 4202560 4026 0 1 0 16 0 0 0 25 0 19 0 21591061 1567739904 5244 4089446400 134512640 134550932 4294164256 18446744073709551615 4294960144 0 4 0 16800975 18446604471093003264 0 0 -1 0 0 0 0
Current children cumulated CPU time (s) 0.23
Current children cumulated vsize (KiB) 1530996

Child status: 30
Real time (s): 0.204045
CPU time (s): 0.241962
CPU user time (s): 0.225965
CPU system time (s): 0.015997
CPU usage (%): 118.583
Max. virtual memory (cumulated for all children) (KiB): 1530996

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.225965
system time used= 0.015997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5815
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= 161
involuntary context switches= 9

runsolver used 0.001999 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node133 at 2010-07-07 22:16:23
IDJOB=2699539
IDBENCH=79353
IDSOLVER=1203
FILE ID=node133/2699539-1278533783
PBS_JOBID= 11239212
Free space on /tmp= 73656 MiB

SOLVER NAME= SAT4J PB CuttingPlanes 2.2.0 2010-05-26
BENCH NAME= PB10/normalized-PB10/PARTIAL-SMALLINT-LIN/wcsp/academics/normalized-4queens_wcsp.wbo
COMMAND LINE= java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar CuttingPlanes BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2699539-1278533783/watcher-2699539-1278533783 -o /tmp/evaluation-result-2699539-1278533783/solver-2699539-1278533783 -C 1800 -W 2000 -M 3800  java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar CuttingPlanes HOME/instance-2699539-1278533783.wbo

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

MD5SUM BENCH= 1d8258c22bc483b2975ac7eb72afa9f4
RANDOM SEED=1819435001

node133.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		: 2666.844
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		: 2666.844
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		: 2666.844
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	: 5332.74
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		: 2666.844
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	: 5332.84
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		: 2666.844
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	: 5332.75
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		: 2666.844
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		: 2666.844
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	: 5332.67
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		: 2666.844
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	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      28478856 kB
Buffers:        150272 kB
Cached:        4107136 kB
SwapCached:          0 kB
Active:        1209788 kB
Inactive:      3109540 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      28478856 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:             404 kB
Writeback:           0 kB
AnonPages:       61984 kB
Mapped:          14372 kB
Slab:            91004 kB
PageTables:       4596 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   178292 kB
VmallocTotal: 34359738367 kB
VmallocUsed:     33868 kB
VmallocChunk: 34359703231 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 73656 MiB
End job on node133 at 2010-07-07 22:16:24