Trace number 1856935

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 NameAnswerobjCPU timeWall clock time
SAT4J Pseudo Resolution 2.1.1OPT1 1.82672 1.17454

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/submitted-PB06/roussel/factor/
normalized-factor-sizeN=60-sizeP=31-sizeQ=60-784051325.opb
MD5SUMe687b4e519c37adffc2bc97f299c951f
Bench CategoryOPT-BIGINT (optimisation, big integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark1
Best CPU time to get the best result obtained on this benchmark1.82672
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 1
Optimality of the best value was proved YES
Number of variables1951
Total number of constraints5581
Number of constraints which are clauses5580
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint1860
Number of terms in the objective function 31
Biggest coefficient in the objective function 1073741824
Number of bits for the biggest coefficient in the objective function 31
Sum of the numbers in the objective function 2147483647
Number of bits of the sum of numbers in the objective function 31
Biggest number in a constraint 618970019642690137449562112
Number of bits of the biggest number in a constraint 90
Biggest sum of numbers in a constraint 2475880078237913026827969150
Number of bits of the biggest sum of numbers91
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data 

0.09/0.13	c SAT4J: a SATisfiability library for Java (c) 2004-2008 Daniel Le Berre
0.09/0.13	c This is free software under the dual EPL/GNU LGPL licenses.
0.09/0.13	c See www.sat4j.org for details.
0.09/0.15	c version 2.1.1.v20090612
0.09/0.15	c sun.arch.data.model	32
0.09/0.15	c java.version	1.6.0_12
0.09/0.15	c os.name	Linux
0.09/0.15	c os.version	2.6.9-22.EL.rootsmp
0.09/0.15	c os.arch	i386
0.09/0.15	c Free memory 1342000320
0.09/0.15	c Max memory 1344274432
0.09/0.15	c Total memory 1344274432
0.09/0.15	c Number of processors 2
0.23/0.21	c Pseudo Boolean Optimization
0.23/0.21	c --- Begin Solver configuration ---
0.23/0.21	c Stops conflict analysis at the first Unique Implication Point
0.23/0.21	c org.sat4j.pb.constraints.CompetResolutionPBMixedHTClauseCardConstrDataStructure@3eca90
0.23/0.21	c Learn all clauses as in MiniSAT
0.23/0.21	c claDecay=0.999 varDecay=0.95 conflictBoundIncFactor=1.5 initConflictBound=100 
0.23/0.21	c VSIDS like heuristics from MiniSAT using a heap phase appearing in latest learned clause taking into account the objective function
0.23/0.21	c Expensive reason simplification
0.23/0.21	c MiniSAT restarts strategy
0.23/0.21	c Memory based learned constraints deletion strategy
0.23/0.21	c timeout=2147483s
0.23/0.21	c DB Simplification allowed=false
0.23/0.21	c --- End Solver configuration ---
0.23/0.21	c solving HOME/instance-1856935-1244928599.opb
0.23/0.21	c reading problem ... 
1.14/0.90	c ... done. Wall clock time 0.686s.
1.14/0.90	c #vars     1951
1.14/0.90	c #constraints  6047
1.14/0.90	c constraints type 
1.14/0.90	c org.sat4j.minisat.constraints.cnf.OriginalBinaryClause => 3720
1.14/0.90	c org.sat4j.pb.constraints.pb.MaxWatchPb => 2
1.14/0.90	c org.sat4j.minisat.constraints.cnf.OriginalHTClause => 1860
1.54/1.02	c SATISFIABLE
1.54/1.02	c OPTIMIZING...
1.54/1.02	c Got one! Elapsed wall clock time (in seconds):0.809
1.54/1.02	o 1
1.54/1.06	c starts		: 1
1.54/1.06	c conflicts		: 0
1.54/1.06	c decisions		: 30
1.54/1.06	c propagations		: 3376
1.54/1.06	c inspects		: 10324
1.54/1.06	c learnt literals	: 0
1.54/1.06	c learnt binary clauses	: 0
1.54/1.06	c learnt ternary clauses	: 0
1.54/1.06	c learnt clauses	: 0
1.54/1.06	c ignored clauses	: 0
1.54/1.06	c root simplifications	: 0
1.54/1.06	c removed literals (reason simplification)	: 0
1.54/1.06	c reason swapping (by a shorter reason)	: 0
1.54/1.06	c Calls to reduceDB	: 0
1.54/1.06	c speed (assignments/second)	: 105500.0
1.54/1.06	c non guided choices	0
1.54/1.06	c learnt constraints type 
1.54/1.06	c constraints type 
1.54/1.06	c org.sat4j.minisat.constraints.cnf.OriginalBinaryClause => 3720
1.54/1.06	c org.sat4j.pb.constraints.pb.MaxWatchPb => 2
1.54/1.06	c org.sat4j.minisat.constraints.cnf.OriginalHTClause => 1860
1.54/1.06	s OPTIMUM FOUND
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1.73/1.12	c objective function=1
1.73/1.12	c Total wall clock time (in seconds): 0.911

Verifier Data 

OK	1

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1856935-1244928599/watcher-1856935-1244928599 -o /tmp/evaluation-result-1856935-1244928599/solver-1856935-1244928599 -C 1800 -W 2000 -M 1800 java6 -server -Xms1300m -Xmx1300m -jar HOME/org.sat4j.pb.jar HOME/instance-1856935-1244928599.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: 1.07 1.02 1.00 2/64 5034
/proc/meminfo: memFree=1449200/2055920 swapFree=4162000/4192956
[pid=5034] ppid=5032 vsize=1520 CPUtime=0
/proc/5034/stat : 5034 (java6) R 5032 5034 4731 0 -1 0 90 0 0 0 0 0 0 0 20 0 1 0 160453754 1556480 73 1992294400 134512640 134550932 4294956176 18446744073709551615 7175266 0 0 4096 0 0 0 0 17 1 0 0
/proc/5034/statm: 380 73 56 9 0 10 0

[startup+0.090776 s]
/proc/loadavg: 1.07 1.02 1.00 2/64 5034
/proc/meminfo: memFree=1449200/2055920 swapFree=4162000/4192956
[pid=5034] ppid=5032 vsize=1472428 CPUtime=0.08
/proc/5034/stat : 5034 (java) S 5032 5034 4731 0 -1 0 3567 0 1 0 6 2 0 0 20 0 12 0 160453754 1507766272 3310 1992294400 134512640 134550932 4294956016 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/5034/statm: 368107 3310 1063 9 0 365455 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 1472428

[startup+0.101779 s]
/proc/loadavg: 1.07 1.02 1.00 2/64 5034
/proc/meminfo: memFree=1449200/2055920 swapFree=4162000/4192956
[pid=5034] ppid=5032 vsize=1472584 CPUtime=0.09
/proc/5034/stat : 5034 (java) S 5032 5034 4731 0 -1 0 3646 0 1 0 7 2 0 0 20 0 12 0 160453754 1507926016 3389 1992294400 134512640 134550932 4294956016 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/5034/statm: 368146 3389 1069 9 0 365494 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1472584

[startup+0.301819 s]
/proc/loadavg: 1.07 1.02 1.00 2/64 5034
/proc/meminfo: memFree=1449200/2055920 swapFree=4162000/4192956
[pid=5034] ppid=5032 vsize=1475080 CPUtime=0.34
/proc/5034/stat : 5034 (java) S 5032 5034 4731 0 -1 0 5055 0 1 0 31 3 0 0 20 0 12 0 160453754 1510481920 4792 1992294400 134512640 134550932 4294956016 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/5034/statm: 368770 4792 1355 9 0 366113 0
Current children cumulated CPU time (s) 0.34
Current children cumulated vsize (KiB) 1475080

[startup+0.701908 s]
/proc/loadavg: 1.07 1.02 1.00 2/64 5034
/proc/meminfo: memFree=1449200/2055920 swapFree=4162000/4192956
[pid=5034] ppid=5032 vsize=1476608 CPUtime=0.98
/proc/5034/stat : 5034 (java) S 5032 5034 4731 0 -1 0 7325 0 1 0 93 5 0 0 20 0 12 0 160453754 1512046592 6555 1992294400 134512640 134550932 4294956016 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/5034/statm: 369152 6555 1397 9 0 366495 0
Current children cumulated CPU time (s) 0.98
Current children cumulated vsize (KiB) 1476608

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

[startup+1.107 s]
/proc/loadavg: 1.15 1.03 1.01 4/77 5047
/proc/meminfo: memFree=1418504/2055920 swapFree=4162000/4192956
[pid=5034] ppid=5032 vsize=1488076 CPUtime=1.73
/proc/5034/stat : 5034 (java) S 5032 5034 4731 0 -1 0 12091 0 1 0 166 7 0 0 20 0 14 0 160453754 1523789824 10113 1992294400 134512640 134550932 4294956016 18446744073709551615 4294960144 0 0 0 16800975 18446744073709551615 0 0 17 1 0 0
/proc/5034/statm: 372019 10113 1408 9 0 369362 0
[pid=5034/tid=5036] ppid=5032 vsize=1488076 CPUtime=0.73
/proc/5034/task/5036/stat : 5036 (java) S 5032 5034 4731 0 -1 64 6090 0 1 0 69 4 0 0 18 0 14 0 160453755 1523789824 10114 1992294400 134512640 134550932 4294956016 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=5034/tid=5037] ppid=5032 vsize=1488076 CPUtime=0
/proc/5034/task/5037/stat : 5037 (java) S 5032 5034 4731 0 -1 64 2 0 0 0 0 0 0 0 19 0 14 0 160453756 1523789824 10114 1992294400 134512640 134550932 4294956016 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=5034/tid=5038] ppid=5032 vsize=1488076 CPUtime=0
/proc/5034/task/5038/stat : 5038 (java) S 5032 5034 4731 0 -1 64 1 0 0 0 0 0 0 0 20 0 14 0 160453756 1523789824 10114 1992294400 134512640 134550932 4294956016 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=5034/tid=5039] ppid=5032 vsize=1488076 CPUtime=0
/proc/5034/task/5039/stat : 5039 (java) S 5032 5034 4731 0 -1 64 1 0 0 0 0 0 0 0 16 0 14 0 160453758 1523789824 10114 1992294400 134512640 134550932 4294956016 18446744073709551615 4294960144 0 0 0 16800975 0 0 0 -1 0 0 0
[pid=5034/tid=5040] ppid=5032 vsize=1488076 CPUtime=0
/proc/5034/task/5040/stat : 5040 (java) S 5032 5034 4731 0 -1 64 9 0 0 0 0 0 0 0 22 0 14 0 160453759 1523789824 10119 1992294400 134512640 134550932 4294956016 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=5034/tid=5041] ppid=5032 vsize=1488076 CPUtime=0
/proc/5034/task/5041/stat : 5041 (java) S 5032 5034 4731 0 -1 64 4 0 0 0 0 0 0 0 23 0 14 0 160453759 1523789824 10122 1992294400 134512640 134550932 4294956016 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=5034/tid=5042] ppid=5032 vsize=1488076 CPUtime=0
/proc/5034/task/5042/stat : 5042 (java) S 5032 5034 4731 0 -1 64 1 0 0 0 0 0 0 0 24 0 14 0 160453763 1523789824 10122 1992294400 134512640 134550932 4294956016 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=5034/tid=5043] ppid=5032 vsize=1488076 CPUtime=0.42
/proc/5034/task/5043/stat : 5043 (java) R 5032 5034 4731 0 -1 64 1574 0 0 0 42 0 0 0 17 0 14 0 160453763 1523789824 10124 1992294400 134512640 134550932 4294956016 18446744073709551615 105569458 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=5034/tid=5044] ppid=5032 vsize=1488296 CPUtime=0.53
/proc/5034/task/5044/stat : 5044 (java) R 5032 5034 4731 0 -1 64 3664 0 0 0 52 1 0 0 18 0 14 0 160453763 1524015104 10135 1992294400 134512640 134550932 4294956016 18446744073709551615 103150743 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=5034/tid=5045] ppid=5032 vsize=1488296 CPUtime=0
/proc/5034/task/5045/stat : 5045 (java) S 5032 5034 4731 0 -1 64 0 0 0 0 0 0 0 0 25 0 14 0 160453763 1524015104 10144 1992294400 134512640 134550932 4294956016 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 0 0 0
[pid=5034/tid=5046] ppid=5032 vsize=1488296 CPUtime=0
/proc/5034/task/5046/stat : 5046 (java) S 5032 5034 4731 0 -1 64 1 0 0 0 0 0 0 0 15 0 14 0 160453763 1524015104 10152 1992294400 134512640 134550932 4294956016 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
[pid=5034/tid=5047] ppid=5032 vsize=1488296 CPUtime=0
/proc/5034/task/5047/stat : 5047 (java) S 5032 5034 4731 0 -1 64 4 0 0 0 0 0 0 0 18 0 14 0 160453846 1524015104 10152 1992294400 134512640 134550932 4294956016 18446744073709551615 4294960144 0 4 0 16800975 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 1.73
Current children cumulated vsize (KiB) 1488076

Child status: 30
Real time (s): 1.17454
CPU time (s): 1.82672
CPU user time (s): 1.73773
CPU system time (s): 0.088986
CPU usage (%): 155.526
Max. virtual memory (cumulated for all children) (KiB): 1488076

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.73773
system time used= 0.088986
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 12773
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= 321
involuntary context switches= 278

runsolver used 0.004999 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node71 at 2009-06-13 23:29:59
IDJOB=1856935
IDBENCH=3029
IDSOLVER=682
FILE ID=node71/1856935-1244928599
PBS_JOBID= 9354650
Free space on /tmp= 66492 MiB

SOLVER NAME= SAT4J Pseudo Resolution 2.1.1
BENCH NAME= PB06/final/normalized-PB06/OPT-BIGINT/submitted-PB06/roussel/factor/normalized-factor-sizeN=60-sizeP=31-sizeQ=60-784051325.opb
COMMAND LINE= java6 -server -Xms1300m -Xmx1300m -jar HOME/org.sat4j.pb.jar BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1856935-1244928599/watcher-1856935-1244928599 -o /tmp/evaluation-result-1856935-1244928599/solver-1856935-1244928599 -C 1800 -W 2000 -M 1800  java6 -server -Xms1300m -Xmx1300m -jar HOME/org.sat4j.pb.jar HOME/instance-1856935-1244928599.opb

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

MD5SUM BENCH= e687b4e519c37adffc2bc97f299c951f
RANDOM SEED=1082724119

node71.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.277
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
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		: 3000.277
cache size	: 2048 KB
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 pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1449680 kB
Buffers:         76636 kB
Cached:         422588 kB
SwapCached:      26280 kB
Active:          90812 kB
Inactive:       437632 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1449680 kB
SwapTotal:     4192956 kB
SwapFree:      4162000 kB
Dirty:             712 kB
Writeback:           0 kB
Mapped:          13500 kB
Slab:            63772 kB
Committed_AS:    86536 kB
PageTables:       1444 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66492 MiB
End job on node71 at 2009-06-13 23:30:00