Trace number 3728926

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
PB07: SAT4JPseudoResolution 2007-03-23SAT 1.41378 0.776513

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
prestwich/robin/normalized-robin10.opb
MD5SUM93a881e30e7c33fefd66d9521eb49849
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.066989
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables2025
Total number of constraints410
Number of constraints which are clauses180
Number of constraints which are cardinality constraints (but not clauses)230
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint45
Maximum length of a constraint81
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 2
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 83
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

0.02/0.14	c SAT4J: a SATisfiability library for Java (c) 2004-2006 Daniel Le Berre
0.02/0.14	c This is free software under the GNU LGPL licence. See www.sat4j.org for details.
0.02/0.14	c This software uses some libraries from the Jakarta project. See jakarta.apache.org for details.
0.02/0.15	c no version file found!!!
0.02/0.15	c sun.arch.data.model	64
0.02/0.15	c java.version	1.6.0_24
0.02/0.15	c os.name	Linux
0.02/0.15	c os.version	2.6.32-71.29.1.el6.x86_64
0.02/0.15	c os.arch	amd64
0.02/0.15	c Free memory 1599470296
0.02/0.15	c Max memory 1607860224
0.02/0.15	c Total memory 1607860224
0.02/0.15	c Number of processors 8
0.02/0.19	--- Begin Solver configuration ---
0.02/0.19	c Stops conflict analysis at the first Unique Implication Point
0.02/0.19	c org.sat4j.minisat.constraints.PBMaxClauseCardConstrDataStructure@18e2b22
0.02/0.19	c Learn all clauses as in MiniSAT
0.02/0.19	c claDecay=0.999 varDecay=0.95 conflictBoundIncFactor=1.5 initConflictBound=100 
0.02/0.19	c VSIDS like heuristics from MiniSAT using a heap
0.02/0.19	c No reason simplification
0.02/0.19	c --- End Solver configuration ---
0.02/0.19	c solving HOME/instance-3728926-1338678621.opb
0.02/0.19	c reading problem ... 
0.51/0.46	c ... done. Wall clock time 0.271s.
0.51/0.46	c CPU time (experimental) 0.35s.
0.51/0.46	c #vars     2025
0.51/0.46	c #constraints  410
1.31/0.76	c starts		: 6
1.31/0.76	c conflicts		: 1755
1.31/0.76	c decisions		: 3556
1.31/0.76	c propagations		: 117190
1.31/0.76	c inspects		: 295316
1.31/0.76	c learnt literals	: 0
1.31/0.76	c learnt binary clauses	: 0
1.31/0.76	c learnt ternary clauses	: 0
1.31/0.76	c learnt clauses	: 1755
1.31/0.76	c root simplifications	: 0
1.31/0.76	c removed literals (reason simplification)	: 0
1.31/0.76	c reason swapping (by a shorter reason)	: 0
1.31/0.76	c Calls to reduceDB	: 0
1.31/0.76	c speed (decisions/second)	: 12178.082191780823
1.31/0.76	c non guided choices	521
1.31/0.76	s SATISFIABLE
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-x2017 -x2018 -x2019 -x2020 -x2021 -x2022 -x2023 -x2024 -x2025 
1.31/0.77	c Total wall clock time (ms): 0.576

Verifier Data

OK	0

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-3728926-1338678621/watcher-3728926-1338678621 -o /tmp/evaluation-result-3728926-1338678621/solver-3728926-1338678621 -C 1800 -W 1900 -M 15500 java -server -Xms1600M -Xmx1600M -jar HOME/sat4jPseudoResolution.jar HOME/instance-3728926-1338678621.opb 

running on 4 cores: 0,2,4,6

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: 0.04 0.02 0.45 4/176 28093
/proc/meminfo: memFree=30106292/32873844 swapFree=7372/7372
[pid=28093] ppid=28089 vsize=3568 CPUtime=0 cores=0,2,4,6
/proc/28093/stat : 28093 (java) R 28089 28093 28047 0 -1 4202496 96 0 0 0 0 0 0 0 20 0 1 0 333990717 3653632 48 33554432000 1073741824 1073778376 140734449680016 140734449677112 245285093008 0 0 4096 0 0 0 0 17 0 0 0 0 0 0
/proc/28093/statm: 892 50 38 9 0 30 0

[startup+0.0414539 s]
/proc/loadavg: 0.04 0.02 0.45 4/176 28093
/proc/meminfo: memFree=30106292/32873844 swapFree=7372/7372
[pid=28093] ppid=28089 vsize=101528 CPUtime=0 cores=0,2,4,6
/proc/28093/stat : 28093 (java) S 28089 28093 28047 0 -1 4202496 1372 0 10 0 0 0 0 0 20 0 2 0 333990717 103964672 1061 33554432000 1073741824 1073778376 140733226023408 140733226014544 245297610813 0 0 0 16784584 18446744073709551615 0 0 17 0 0 0 1 0 0
/proc/28093/statm: 25382 1061 812 9 0 16774 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 101528

[startup+0.100273 s]
/proc/loadavg: 0.04 0.02 0.45 4/176 28093
/proc/meminfo: memFree=30106292/32873844 swapFree=7372/7372
[pid=28093] ppid=28089 vsize=2623916 CPUtime=0.02 cores=0,2,4,6
/proc/28093/stat : 28093 (java) S 28089 28093 28047 0 -1 4202496 3918 0 14 0 2 0 0 0 20 0 13 0 333990717 2686889984 5138 33554432000 1073741824 1073778376 140733226023408 140733226014544 245297610813 0 0 0 16784584 18446744073709551615 0 0 17 0 0 0 1 0 0
/proc/28093/statm: 655979 5138 1697 9 0 646680 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 2623916

[startup+0.300233 s]
/proc/loadavg: 0.04 0.02 0.45 4/176 28093
/proc/meminfo: memFree=30106292/32873844 swapFree=7372/7372
[pid=28093] ppid=28089 vsize=2957856 CPUtime=0.27 cores=0,2,4,6
/proc/28093/stat : 28093 (java) S 28089 28093 28047 0 -1 4202496 5369 0 19 0 26 1 0 0 20 0 18 0 333990717 3028844544 7901 33554432000 1073741824 1073778376 140733226023408 140733226014544 245297610813 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0 1 0 0
/proc/28093/statm: 739464 7901 2216 9 0 729885 0
Current children cumulated CPU time (s) 0.27
Current children cumulated vsize (KiB) 2957856

[startup+0.700321 s]
/proc/loadavg: 0.04 0.02 0.45 4/176 28093
/proc/meminfo: memFree=30106292/32873844 swapFree=7372/7372
[pid=28093] ppid=28089 vsize=3024420 CPUtime=1.31 cores=0,2,4,6
/proc/28093/stat : 28093 (java) S 28089 28093 28047 0 -1 4202496 11248 0 19 0 129 2 0 0 20 0 19 0 333990717 3097006080 13907 33554432000 1073741824 1073778376 140733226023408 140733226014544 245297610813 0 0 0 16800975 18446744073709551615 0 0 17 0 0 0 1 0 0
/proc/28093/statm: 756105 13907 2271 9 0 746526 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 3024420

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

Child status: 10
Real time (s): 0.776513
CPU time (s): 1.41378
CPU user time (s): 1.36079
CPU system time (s): 0.052991
CPU usage (%): 182.068
Max. virtual memory (cumulated for all children) (KiB): 3024420

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.36079
system time used= 0.052991
maximum resident set size= 57716
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 11265
page faults= 19
swaps= 0
block input operations= 3504
block output operations= 64
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 297
involuntary context switches= 33

runsolver used 0.000999 second user time and 0.005999 second system time

The end

Launcher Data

Begin job on node109 at 2012-06-03 01:10:21
IDJOB=3728926
IDBENCH=1154
IDSOLVER=2319
FILE ID=node109/3728926-1338678621
RUNJOBID= node109-1338678620-28066
PBS_JOBID= 14636704
Free space on /tmp= 70716 MiB

SOLVER NAME= SAT4JPseudoResolution 2007-03-23
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/prestwich/robin/normalized-robin10.opb
COMMAND LINE= java -server -Xms1600M -Xmx1600M -jar HOME/sat4jPseudoResolution.jar BENCHNAME           
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3728926-1338678621/watcher-3728926-1338678621 -o /tmp/evaluation-result-3728926-1338678621/solver-3728926-1338678621 -C 1800 -W 1900 -M 15500  java -server -Xms1600M -Xmx1600M -jar HOME/sat4jPseudoResolution.jar HOME/instance-3728926-1338678621.opb           

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

MD5SUM BENCH= 93a881e30e7c33fefd66d9521eb49849
RANDOM SEED=93591701

node109.alineos.net Linux 2.6.32-71.29.1.el6.x86_64 #1 SMP Mon Jun 27 19:49:27 BST 2011

/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		: 2667.264
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
initial apicid	: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5334.52
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.264
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
initial apicid	: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.264
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
initial apicid	: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.264
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
initial apicid	: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.264
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
initial apicid	: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.264
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
initial apicid	: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.264
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
initial apicid	: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.91
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2667.264
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
initial apicid	: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow vnmi flexpriority ept vpid
bogomips	: 5331.92
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:       32873844 kB
MemFree:        30106936 kB
Buffers:          329328 kB
Cached:          1554212 kB
SwapCached:          944 kB
Active:           902444 kB
Inactive:         989308 kB
Active(anon):       2568 kB
Inactive(anon):     7796 kB
Active(file):     899876 kB
Inactive(file):   981512 kB
Unevictable:        7372 kB
Mlocked:            7372 kB
SwapTotal:      67108856 kB
SwapFree:       67105492 kB
Dirty:              8180 kB
Writeback:             0 kB
AnonPages:         14380 kB
Mapped:             9288 kB
Shmem:                 4 kB
Slab:             735684 kB
SReclaimable:     178236 kB
SUnreclaim:       557448 kB
KernelStack:        1384 kB
PageTables:         3976 kB
NFS_Unstable:          4 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:    83545776 kB
Committed_AS:     102976 kB
VmallocTotal:   34359738367 kB
VmallocUsed:      346368 kB
VmallocChunk:   34341987984 kB
HardwareCorrupted:     0 kB
AnonHugePages:         0 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:        7872 kB
DirectMap2M:    33538048 kB

Free space on /tmp at the end= 70704 MiB
End job on node109 at 2012-06-03 01:10:22