Trace number 3492257

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 Resolution 2011-06-08OPTIMUM 1.09383 0.5264

General information on the benchmark

Name/SOFT-SMALLINT-LIN/PB06/web/uclid_pb_benchmarks/
normalized-elf.rf7.ucl--soft-0-100-0.wbo
MD5SUMc12b7c7766d333e741516da691aff1b3
Bench CategorySOFT-SMALLINT-LIN (only soft 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 benchmark0.012997
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 constraints3349
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 169122
Min constraint cost 1
Max constraint cost 100
Sum of constraints costs 169121
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 

0.01/0.08	c SAT4J: a SATisfiability library for Java (c) 2004-2010 Daniel Le Berre
0.01/0.08	c This is free software under the dual EPL/GNU LGPL licenses.
0.01/0.08	c See www.sat4j.org for details.
0.01/0.08	c version 2.3.1.v20110525
0.01/0.08	c java.runtime.name	Java(TM) SE Runtime Environment
0.01/0.08	c java.vm.name		Java HotSpot(TM) 64-Bit Server VM
0.01/0.08	c java.vm.version	19.1-b02
0.01/0.08	c java.vm.vendor	Sun Microsystems Inc.
0.01/0.08	c sun.arch.data.model	64
0.01/0.08	c java.version		1.6.0_24
0.01/0.08	c os.name		Linux
0.01/0.08	c os.version		2.6.18-164.el5
0.01/0.08	c os.arch		amd64
0.01/0.08	c Free memory 		9996466904
0.01/0.08	c Max memory 		10048897024
0.01/0.08	c Total memory 		10048897024
0.01/0.09	c Number of processors 	8
0.10/0.11	c Pseudo Boolean Optimization
0.10/0.11	c --- Begin Solver configuration ---
0.10/0.11	c org.sat4j.pb.constraints.CompetResolutionPBLongMixedWLClauseCardConstrDataStructure@761a626f
0.10/0.11	c Learn all clauses as in MiniSAT
0.10/0.11	c claDecay=0.999 varDecay=0.95 conflictBoundIncFactor=1.5 initConflictBound=100 
0.10/0.11	c VSIDS like heuristics from MiniSAT using a heap lightweight component caching from RSAT taking into account the objective function
0.10/0.11	c Expensive reason simplification
0.10/0.11	c Armin Biere (Picosat) restarts strategy
0.10/0.11	c Glucose learned constraints deletion strategy
0.10/0.11	c timeout=2147483s
0.10/0.11	c DB Simplification allowed=false
0.10/0.11	c --- End Solver configuration ---
0.10/0.11	c solving HOME/instance-3492257-1307911756.wbo
0.10/0.11	c reading problem ... 
0.49/0.34	c ... done. Wall clock time 0.233s.
0.49/0.34	c #vars     4677
0.49/0.34	c #constraints  3349
0.49/0.34	c constraints type 
0.49/0.34	c org.sat4j.minisat.constraints.cnf.OriginalWLClause => 3164
0.49/0.34	c org.sat4j.minisat.constraints.cnf.OriginalBinaryClause => 1
0.49/0.34	c org.sat4j.pb.constraints.pb.MaxWatchPbLong => 184
0.77/0.48	c SATISFIABLE
0.77/0.48	c OPTIMIZING...
0.77/0.48	c Got one! Elapsed wall clock time (in seconds):0.372
0.77/0.48	o 1
1.05/0.50	c starts		: 2
1.05/0.50	c conflicts		: 63
1.05/0.50	c decisions		: 5778
1.05/0.50	c propagations		: 15993
1.05/0.50	c inspects		: 21121
1.05/0.50	c shortcuts		: 0
1.05/0.50	c learnt literals	: 1
1.05/0.50	c learnt binary clauses	: 1
1.05/0.50	c learnt ternary clauses	: 5
1.05/0.50	c learnt constraints	: 61
1.05/0.50	c ignored constraints	: 0
1.05/0.50	c root simplifications	: 0
1.05/0.50	c removed literals (reason simplification)	: 85
1.05/0.50	c reason swapping (by a shorter reason)	: 0
1.05/0.50	c Calls to reduceDB	: 0
1.05/0.50	c number of reductions to clauses (during analyze)	: 0
1.05/0.50	c number of learned constraints concerned by reduction	: 0
1.05/0.50	c number of learning phase by resolution	: 0
1.05/0.50	c number of learning phase by cutting planes	: 0
1.05/0.50	c speed (assignments/second)	: 888500.0000000001
1.05/0.50	c non guided choices	316
1.05/0.50	c learnt constraints type 
1.05/0.50	c constraints type 
1.05/0.50	c org.sat4j.minisat.constraints.cnf.OriginalWLClause => 3164
1.05/0.50	c org.sat4j.minisat.constraints.cnf.OriginalBinaryClause => 1
1.05/0.50	c org.sat4j.pb.constraints.pb.MaxWatchPbLong => 184
1.05/0.50	s OPTIMUM FOUND
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1.05/0.51	c objective function=1
1.05/0.51	c Total wall clock time (in seconds): 0.4

Verifier Data 

OK	1

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.1 (svn: 989)

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-3492257-1307911756/watcher-3492257-1307911756 -o /tmp/evaluation-result-3492257-1307911756/solver-3492257-1307911756 -C 1800 -W 1900 -M 15500 java -Xms10000m -Xmx10000m -jar sat4j-pb.jar Resolution HOME/instance-3492257-1307911756.wbo 

running on 4 cores: 1,3,5,7

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): 1900 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 2.00 2.01 1.96 3/195 6514
/proc/meminfo: memFree=32372188/32951124 swapFree=67050044/67111528
[pid=6514] ppid=6512 vsize=23028 CPUtime=0 cores=1,3,5,7
/proc/6514/stat : 6514 (java) R 6512 6514 2655 0 -1 4202496 951 0 0 0 0 0 0 0 23 0 1 0 902778332 23580672 693 33554432000 1073741824 1073778376 140737038427904 18446744073709551615 218365994897 0 0 4096 0 0 0 0 17 3 0 0 0
/proc/6514/statm: 5757 693 510 9 0 124 0

[startup+0.0219261 s]
/proc/loadavg: 2.00 2.01 1.96 3/195 6514
/proc/meminfo: memFree=32372188/32951124 swapFree=67050044/67111528
[pid=6514] ppid=6512 vsize=10444316 CPUtime=0.01 cores=1,3,5,7
/proc/6514/stat : 6514 (java) S 6512 6514 2655 0 -1 4202496 9566 0 1 0 0 1 0 0 23 0 2 0 902778332 10694979584 9266 33554432000 1073741824 1073778376 140737038427904 18446744073709551615 218382759909 0 0 0 16784584 18446744073709551615 0 0 17 3 0 0 0
/proc/6514/statm: 2611079 9288 917 9 0 2602235 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 10444316

[startup+0.100915 s]
/proc/loadavg: 2.00 2.01 1.96 3/195 6514
/proc/meminfo: memFree=32372188/32951124 swapFree=67050044/67111528
[pid=6514] ppid=6512 vsize=10540116 CPUtime=0.1 cores=1,3,5,7
/proc/6514/stat : 6514 (java) S 6512 6514 2655 0 -1 4202496 13053 0 1 0 8 2 0 0 23 0 18 0 902778332 10793078784 12748 33554432000 1073741824 1073778376 140737038427904 18446744073709551615 218382759909 0 0 0 16800975 18446744073709551615 0 0 17 3 0 0 0
/proc/6514/statm: 2635029 12749 2092 9 0 2625763 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 10540116

[startup+0.300846 s]
/proc/loadavg: 2.00 2.01 1.96 3/195 6514
/proc/meminfo: memFree=32372188/32951124 swapFree=67050044/67111528
[pid=6514] ppid=6512 vsize=10542280 CPUtime=0.49 cores=1,3,5,7
/proc/6514/stat : 6514 (java) S 6512 6514 2655 0 -1 4202496 16296 0 1 0 47 2 0 0 23 0 18 0 902778332 10795294720 15479 33554432000 1073741824 1073778376 140737038427904 18446744073709551615 218382759909 0 0 0 16800975 18446744073709551615 0 0 17 3 0 0 0
/proc/6514/statm: 2635570 15480 2201 9 0 2626304 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 10542280

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

[startup+0.500811 s]
/proc/loadavg: 2.00 2.01 1.96 3/195 6514
/proc/meminfo: memFree=32372188/32951124 swapFree=67050044/67111528
[pid=6514] ppid=6512 vsize=10545852 CPUtime=1.05 cores=1,3,5,7
/proc/6514/stat : 6514 (java) S 6512 6514 2655 0 -1 4202496 20877 0 1 0 102 3 0 0 23 0 19 0 902778332 10798952448 18166 33554432000 1073741824 1073778376 140737038427904 18446744073709551615 218382759909 0 0 0 16800975 18446744073709551615 0 0 17 3 0 0 0
/proc/6514/statm: 2636463 18166 2232 9 0 2627197 0
Current children cumulated CPU time (s) 1.05
Current children cumulated vsize (KiB) 10545852

Child status: 30
Real time (s): 0.5264
CPU time (s): 1.09383
CPU user time (s): 1.05784
CPU system time (s): 0.035994
CPU usage (%): 207.795
Max. virtual memory (cumulated for all children) (KiB): 10545852

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.05784
system time used= 0.035994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 20964
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= 188
involuntary context switches= 83

runsolver used 0.001999 second user time and 0.005999 second system time

The end

Launcher Data 

Begin job on node101 at 2011-06-12 22:49:16
IDJOB=3492257
IDBENCH=79319
IDSOLVER=1982
FILE ID=node101/3492257-1307911756
RUNJOBID= node101-1307908937-4736
PBS_JOBID= 13559601
Free space on /tmp= 74060 MiB

SOLVER NAME= Sat4j Resolution 2011-06-08
BENCH NAME= PB10/normalized-PB10/SOFT-SMALLINT-LIN/PB06/web/uclid_pb_benchmarks/normalized-elf.rf7.ucl--soft-0-100-0.wbo
COMMAND LINE= java -Xms10000m -Xmx10000m -jar sat4j-pb.jar Resolution BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3492257-1307911756/watcher-3492257-1307911756 -o /tmp/evaluation-result-3492257-1307911756/solver-3492257-1307911756 -C 1800 -W 1900 -M 15500  java -Xms10000m -Xmx10000m -jar sat4j-pb.jar Resolution HOME/instance-3492257-1307911756.wbo

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= c12b7c7766d333e741516da691aff1b3
RANDOM SEED=1183967705

node101.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		: 2666.841
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		: 2666.841
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	: 5226.07
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		: 2666.841
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	: 5332.77
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		: 2666.841
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		: 2666.841
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		: 2666.841
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	: 5332.83
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		: 2666.841
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	: 5332.75
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		: 2666.841
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:      32372980 kB
Buffers:        123720 kB
Cached:         166596 kB
SwapCached:      24860 kB
Active:         288944 kB
Inactive:       103500 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      32372980 kB
SwapTotal:    67111528 kB
SwapFree:     67050044 kB
Dirty:             592 kB
Writeback:           0 kB
AnonPages:       98960 kB
Mapped:          17400 kB
Slab:           120868 kB
PageTables:       4996 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 10542264 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= 74060 MiB
End job on node101 at 2011-06-12 22:49:16