Trace number 2669977

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 NameAnswerobjective functionCPU timeWall clock time
SAT4J PB CuttingPlanes 2.2.0 2010-05-26OPT3 0.909861 0.594776

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/
factor-mod-B/factor-mod-size=7-P0=83-P1=11-B.opb
MD5SUMe1e15b366fcf541f28f7442fe90acae7
Bench CategoryOPT-SMALLINT-NLC (optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark3
Best CPU time to get the best result obtained on this benchmark0.038993
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 3
Optimality of the best value was proved YES
Number of variables21
Total number of constraints3
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints3
Minimum length of a constraint7
Maximum length of a constraint56
Number of terms in the objective function 7
Biggest coefficient in the objective function 64
Number of bits for the biggest coefficient in the objective function 7
Sum of the numbers in the objective function 127
Number of bits of the sum of numbers in the objective function 7
Biggest number in a constraint 8192
Number of bits of the biggest number in a constraint 14
Biggest sum of numbers in a constraint 32402
Number of bits of the biggest sum of numbers15
Number of products (including duplicates)49
Sum of products size (including duplicates)98
Number of different products49
Sum of products size98

Solver Data 

0.08/0.14	c SAT4J: a SATisfiability library for Java (c) 2004-2010 Daniel Le Berre
0.08/0.14	c This is free software under the dual EPL/GNU LGPL licenses.
0.08/0.14	c See www.sat4j.org for details.
0.08/0.15	c version 2.2.0.v20100526
0.08/0.15	c java.runtime.name	Java(TM) SE Runtime Environment
0.08/0.15	c java.vm.name		Java HotSpot(TM) Server VM
0.08/0.15	c java.vm.version	11.2-b01
0.08/0.15	c java.vm.vendor	Sun Microsystems Inc.
0.08/0.15	c sun.arch.data.model	32
0.08/0.15	c java.version		1.6.0_12
0.08/0.15	c os.name		Linux
0.08/0.15	c os.version		2.6.18-164.el5
0.08/0.15	c os.arch		i386
0.08/0.15	c Free memory 		1393557488
0.08/0.15	c Max memory 		1395916800
0.08/0.15	c Total memory 		1395916800
0.08/0.15	c Number of processors 	2
0.22/0.22	c Pseudo Boolean Optimization
0.22/0.22	c Cutting planes based inference (org.sat4j.pb.core.PBSolverCP)
0.22/0.22	c --- Begin Solver configuration ---
0.22/0.22	c Stops conflict analysis at the first Unique Implication Point
0.22/0.22	c org.sat4j.pb.constraints.PBMaxClauseCardConstrDataStructure@1ef9f1d
0.22/0.22	c Learn all clauses as in MiniSAT
0.22/0.22	c claDecay=0.999 varDecay=0.95 conflictBoundIncFactor=1.5 initConflictBound=100 
0.22/0.22	c VSIDS like heuristics from MiniSAT using a heap phase appearing in latest learned clause taking into account the objective function
0.22/0.22	c No reason simplification
0.22/0.22	c Armin Biere (Picosat) restarts strategy
0.22/0.22	c Glucose learned constraints deletion strategy
0.22/0.22	c timeout=2147483s
0.22/0.22	c DB Simplification allowed=false
0.22/0.22	c --- End Solver configuration ---
0.22/0.22	c solving HOME/instance-2669977-1276698691.opb
0.22/0.22	c reading problem ... 
0.22/0.26	c ... done. Wall clock time 0.04s.
0.22/0.26	c #vars     70
0.22/0.26	c #constraints  102
0.22/0.26	c constraints type 
0.22/0.26	c org.sat4j.pb.constraints.pb.OriginalHTClausePB => 49
0.22/0.26	c org.sat4j.pb.constraints.pb.MaxWatchPb => 53
0.55/0.50	c SATISFIABLE
0.55/0.50	c OPTIMIZING...
0.75/0.50	c Got one! Elapsed wall clock time (in seconds):0.28
0.75/0.50	o 3
0.75/0.51	c starts		: 1
0.75/0.51	c conflicts		: 16
0.75/0.51	c decisions		: 23
0.75/0.51	c propagations		: 246
0.75/0.51	c inspects		: 1413
0.75/0.51	c learnt literals	: 0
0.75/0.51	c learnt binary clauses	: 0
0.75/0.51	c learnt ternary clauses	: 0
0.75/0.51	c learnt clauses	: 16
0.75/0.51	c ignored clauses	: 0
0.75/0.51	c root simplifications	: 0
0.75/0.51	c removed literals (reason simplification)	: 0
0.75/0.51	c reason swapping (by a shorter reason)	: 0
0.75/0.51	c Calls to reduceDB	: 0
0.75/0.51	c number of reductions to clauses (during analyze)	: 0
0.75/0.51	c number of learned constraints concerned by reduction	: 0
0.75/0.51	c number of learning phase by resolution	: 0
0.75/0.51	c number of learning phase by cutting planes	: 0
0.75/0.51	c speed (assignments/second)	: 16400.0
0.75/0.51	c non guided choices	3
0.75/0.51	c learnt constraints type 
0.75/0.51	c constraints type 
0.75/0.51	c org.sat4j.pb.constraints.pb.OriginalHTClausePB => 49
0.75/0.51	c org.sat4j.pb.constraints.pb.MaxWatchPb => 53
0.75/0.51	s OPTIMUM FOUND
0.75/0.51	v x1 x2 -x3 -x4 -x5 -x6 -x7 x8 x9 -x10 x11 x12 -x13 x14 -x15 x16 -x17 -x18 -x19 -x20 -x21 
0.75/0.51	c objective function=3
0.75/0.51	c Total wall clock time (in seconds): 0.296

Verifier Data 

OK	3

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2669977-1276698691/watcher-2669977-1276698691 -o /tmp/evaluation-result-2669977-1276698691/solver-2669977-1276698691 -C 1800 -W 2000 -M 1800 java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar CuttingPlanes HOME/instance-2669977-1276698691.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: 0.00 0.00 0.00 3/106 11654
/proc/meminfo: memFree=1847412/2059040 swapFree=4139724/4192956
[pid=11654] ppid=11652 vsize=248 CPUtime=0
/proc/11654/stat : 11654 (java6) R 11652 11654 11629 0 -1 4194304 109 0 0 0 0 0 0 0 19 0 1 0 45470781 253952 28 1992294400 134512640 134550932 4293290096 18446744073709551615 2323028 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/11654/statm: 62 28 21 10 0 23 0

[startup+0.0729679 s]
/proc/loadavg: 0.00 0.00 0.00 3/106 11654
/proc/meminfo: memFree=1847412/2059040 swapFree=4139724/4192956
[pid=11654] ppid=11652 vsize=1521796 CPUtime=0.05
/proc/11654/stat : 11654 (java) S 11652 11654 11629 0 -1 4202496 3704 0 1 0 3 2 0 0 15 0 7 0 45470781 1558319104 3145 1992294400 134512640 134550932 4293803072 18446744073709551615 4294960144 0 0 0 16784584 18446744073709551615 0 0 17 0 0 0 0
/proc/11654/statm: 380449 3146 1033 10 0 377759 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 1521796

[startup+0.100969 s]
/proc/loadavg: 0.00 0.00 0.00 3/106 11654
/proc/meminfo: memFree=1847412/2059040 swapFree=4139724/4192956
[pid=11654] ppid=11652 vsize=1524024 CPUtime=0.08
/proc/11654/stat : 11654 (java) S 11652 11654 11629 0 -1 4202496 3932 0 1 0 6 2 0 0 15 0 12 0 45470781 1560600576 3371 1992294400 134512640 134550932 4293803072 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0 0
/proc/11654/statm: 381006 3371 1073 10 0 378308 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 1524024

[startup+0.300972 s]
/proc/loadavg: 0.00 0.00 0.00 3/106 11654
/proc/meminfo: memFree=1847412/2059040 swapFree=4139724/4192956
[pid=11654] ppid=11652 vsize=1526260 CPUtime=0.36
/proc/11654/stat : 11654 (java) S 11652 11654 11629 0 -1 4202496 5389 0 1 0 32 4 0 0 15 0 13 0 45470781 1562890240 4824 1992294400 134512640 134550932 4293803072 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0 0
/proc/11654/statm: 381565 4824 1361 10 0 378867 0
Current children cumulated CPU time (s) 0.36
Current children cumulated vsize (KiB) 1526260

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

[startup+0.500975 s]
/proc/loadavg: 0.00 0.00 0.00 3/106 11654
/proc/meminfo: memFree=1847412/2059040 swapFree=4139724/4192956
[pid=11654] ppid=11652 vsize=1528308 CPUtime=0.75
/proc/11654/stat : 11654 (java) S 11652 11654 11629 0 -1 4202496 6875 0 1 0 71 4 0 0 15 0 13 0 45470781 1564987392 5942 1992294400 134512640 134550932 4293803072 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0 0
/proc/11654/statm: 382077 5942 1393 10 0 379379 0
Current children cumulated CPU time (s) 0.75
Current children cumulated vsize (KiB) 1528308

Child status: 30
Real time (s): 0.594776
CPU time (s): 0.909861
CPU user time (s): 0.85487
CPU system time (s): 0.054991
CPU usage (%): 152.975
Max. virtual memory (cumulated for all children) (KiB): 1529332

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.85487
system time used= 0.054991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7923
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= 133
involuntary context switches= 70

runsolver used 0.001999 second user time and 0.011998 second system time

The end

Launcher Data 

Begin job on node010 at 2010-06-16 16:31:32
IDJOB=2669977
IDBENCH=47936
IDSOLVER=1165
FILE ID=node010/2669977-1276698691
PBS_JOBID= 11174124
Free space on /tmp= 62532 MiB

SOLVER NAME= SAT4J PB CuttingPlanes 2.2.0 2010-05-26
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/factor-mod-B/factor-mod-size=7-P0=83-P1=11-B.opb
COMMAND LINE= java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar CuttingPlanes BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2669977-1276698691/watcher-2669977-1276698691 -o /tmp/evaluation-result-2669977-1276698691/solver-2669977-1276698691 -C 1800 -W 2000 -M 1800  java6 -server -Xmx1350m -Xms1350m -jar HOME/sat4j-pb.jar CuttingPlanes HOME/instance-2669977-1276698691.opb

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

MD5SUM BENCH= e1e15b366fcf541f28f7442fe90acae7
RANDOM SEED=847619746

node010.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		: 3000.267
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	: 6000.53
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		: 3000.267
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	: 5599.46
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1847684 kB
Buffers:          7352 kB
Cached:         112636 kB
SwapCached:       5468 kB
Active:          75352 kB
Inactive:        56672 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1847684 kB
SwapTotal:     4192956 kB
SwapFree:      4139724 kB
Dirty:             540 kB
Writeback:           0 kB
AnonPages:       10708 kB
Mapped:          12820 kB
Slab:            57508 kB
PageTables:       4016 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   183276 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= 62532 MiB
End job on node010 at 2010-06-16 16:31:32