Trace number 1785801

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
SAT07 reference solver: SATzilla CRAFTEDUNSAT 2.14267 2.14329

General information on the benchmark

NameCRAFTED/modcircuits/
owp_4vars_5gates.cnf
MD5SUMfe245e5f46bcc987fd412946151b9c92
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.097984
Satisfiable
(Un)Satisfiability was proved
Number of variables267
Number of clauses23747
Sum of the clauses size136362
Maximum clause length19
Minimum clause length1
Number of clauses of size 164
Number of clauses of size 2700
Number of clauses of size 31
Number of clauses of size 4563
Number of clauses of size 51926
Number of clauses of size over 520493

Solver Data 

2.10/2.14	c run March_dl for 5 seconds ... 
2.10/2.14	c Bin: Executing march_dl
2.10/2.14	c child exited successfully
2.10/2.14	c march_dl returned code 20.
2.10/2.14	c main():: ***                                   [ march satisfiability solver ]                                   ***
2.10/2.14	c main()::  **            Copyright (C) 2001-2004 M. Dufour, M. Heule, J. van Zwieten and H. van Maaren            **
2.10/2.14	c main()::   * This program may be redistributed and/or modified under the terms of the GNU Gereral Public License *
2.10/2.14	c main()::
2.10/2.14	c initFormula():: searching for DIMACS p-line....
2.10/2.14	c initFormula():: the DIMACS p-line indicates a CNF of 267 variables and 23747 clauses.
2.10/2.14	c parseCNF():: parsing....
2.10/2.14	c parseCNF():: the CNF contains 64 unary clauses.
2.10/2.14	c runParser():: parsing was successful, warming up engines...
2.10/2.14	c simplify_formula():: removed 0 tautological, 11710 satisfied and 240 duplicate clauses
2.10/2.14	c preprocessing fase I completed:: there are now 175 free variables and 11797 clauses.
2.10/2.14	c shorten_equivalence(): average equivalence length reduced from nan to nan
2.10/2.14	c doublelook_init():: 90% succes rate goal.
2.10/2.14	c root_subsume():: 2946 ternary clauses were subsumed, nrofceq = 12
2.10/2.14	c find_and_remove_tautogolies():: found and removed 3 tautologies
2.10/2.14	c root_subsume():: 0 ternary clauses were subsumed, nrofceq = 12
2.10/2.14	c root_subsume():: 0 ternary clauses were subsumed, nrofceq = 12
2.10/2.14	c lessRedundantTransformation():: CHAINPLUS defined.
2.10/2.14	c lessRedundantTransformation():: the transformation yielded 834 variables and 6931 clauses.
2.10/2.14	c transformTo3SAT():: you gave me 834 variables and 6931 clauses.
2.10/2.14	c transformTo3SAT():: by the way, the maximal clause length before transformation was 10.
2.10/2.14	c transformTo3SAT():: CHAINPLUS defined.
2.10/2.14	c transformTo3SAT():: I will add 76 variables and 228 clauses!
2.10/2.14	c transformTo3SAT():: the transformation yielded 910 variabels and 6931 clauses.
2.10/2.14	c main():: clause / variable ratio: ( 7159 / 910 ) = 7.87
2.10/2.14	c doublelook_init():: 90% succes rate goal.
2.10/2.14	c AddTernaryResolvents(): ternary clauses increased from 7159 to 14035
2.10/2.14	c root_subsume():: 1849 ternary clauses were subsumed, nrofceq = 19
2.10/2.14	c find_and_remove_tautogolies():: found and removed 6 tautologies
2.10/2.14	c root_subsume():: 4 ternary clauses were subsumed, nrofceq = 19
2.10/2.14	c root_subsume():: 0 ternary clauses were subsumed, nrofceq = 19
2.10/2.14	c simplify_formula():: removed 0 tautological, 0 satisfied and 0 duplicate clauses
2.10/2.14	c check_ternary_clause_density :: high
2.10/2.14	c root full lookahead
2.10/2.14	c freevars: 781, independend: 732, ternary clauses: 10039 
2.10/2.14	c main():: all systems go!
2.10/2.14	c |----------------------------------------------------------------|
c |*
c |**
c |***
c |****
c |*****
c |******
c |*******
c |********
c |*********
c |**********
c |************
c |*************
c |**************
c |***************
c |****************
c |*****************
c |******************
c |********************
c |*********************
c |**********************
c |************************
c |*************************
c |**************************
c |****************************
c |*****************************
c |******************************
c |********************************
c |*********************************
c |**********************************
c |************************************
c |*************************************
c |**************************************
c |***************************************
c |****************************************
c |*****************************************
c |******************************************
c |********************************************
c |************************************************
c |*************************************************
c |**************************************************
c |***************************************************
c |****************************************************
c |********************************************************
c |*********************************************************
c |**********************************************************
c |************************************************************
c |**************************************************************
c |****************************************************************
c |****************************************************************
2.10/2.14	c
2.10/2.14	c main():: nodeCount: 1018
2.10/2.14	c main():: dead ends in main: 121
2.10/2.14	c main():: lookAheadCount: 99939
2.10/2.14	c main():: unitResolveCount: 47408
2.10/2.14	c main():: time=2.130000
2.10/2.14	c main():: necessary_assignments: 646
2.10/2.14	c main():: bin_sat: 0, bin_unsat 0
2.10/2.14	c main():: doublelook: #: 292, succes #: 65
2.10/2.14	c main():: doublelook: succesrate: 22.260, threshold: 0.348 * nrofvars
2.10/2.14	s UNSATISFIABLE
2.10/2.14	c SATZILLA_TIME=2.130000

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1785801-1241932182/watcher-1785801-1241932182 -o /tmp/evaluation-result-1785801-1241932182/solver-1785801-1241932182 -C 5000 -W 6000 -M 1800 --output-limit 1,15 HOME/SATzilla2007_C HOME/instance-1785801-1241932182.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 31072
/proc/meminfo: memFree=1506368/2055920 swapFree=4191900/4192956
[pid=31072] ppid=31070 vsize=1440 CPUtime=0
/proc/31072/stat : 31072 (SATzilla2007_C) R 31070 31072 28094 0 -1 4194304 126 0 0 0 0 0 0 0 18 0 1 0 221245809 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216547 0 0 4096 0 0 0 0 17 0 0 0
/proc/31072/statm: 360 110 95 260 0 84 0
[pid=31073] ppid=31072 vsize=824 CPUtime=0
/proc/31073/stat : 31073 (march_dl) R 31072 31072 28094 0 -1 4194304 106 0 0 0 0 0 0 0 18 0 1 0 221245809 843776 101 1992294400 134512640 134996440 4294956256 18446744073709551615 134652876 0 0 8392704 0 0 0 0 17 0 0 0
/proc/31073/statm: 206 101 50 118 0 85 0

[startup+0.0160301 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 31072
/proc/meminfo: memFree=1506368/2055920 swapFree=4191900/4192956
[pid=31072] ppid=31070 vsize=1440 CPUtime=0
/proc/31072/stat : 31072 (SATzilla2007_C) S 31070 31072 28094 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 221245809 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/31072/statm: 360 110 95 260 0 84 0
[pid=31073] ppid=31072 vsize=956 CPUtime=0.01
/proc/31073/stat : 31073 (march_dl) R 31072 31072 28094 0 -1 4194304 150 0 0 0 1 0 0 0 19 0 1 0 221245809 978944 145 1992294400 134512640 134996440 4294956256 18446744073709551615 134669245 0 0 8392704 0 0 0 0 17 0 0 0
/proc/31073/statm: 239 145 50 118 0 118 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 2396

[startup+0.101038 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 31072
/proc/meminfo: memFree=1506368/2055920 swapFree=4191900/4192956
[pid=31072] ppid=31070 vsize=1440 CPUtime=0
/proc/31072/stat : 31072 (SATzilla2007_C) S 31070 31072 28094 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 221245809 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/31072/statm: 360 110 95 260 0 84 0
[pid=31073] ppid=31072 vsize=2160 CPUtime=0.09
/proc/31073/stat : 31073 (march_dl) R 31072 31072 28094 0 -1 4194304 642 0 0 0 9 0 0 0 19 0 1 0 221245809 2211840 371 1992294400 134512640 134996440 4294956256 18446744073709551615 134543096 0 0 8392704 0 0 0 0 17 0 0 0
/proc/31073/statm: 540 371 61 118 0 419 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3600

[startup+0.301061 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 31072
/proc/meminfo: memFree=1506368/2055920 swapFree=4191900/4192956
[pid=31072] ppid=31070 vsize=1440 CPUtime=0
/proc/31072/stat : 31072 (SATzilla2007_C) S 31070 31072 28094 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 221245809 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/31072/statm: 360 110 95 260 0 84 0
[pid=31073] ppid=31072 vsize=2788 CPUtime=0.29
/proc/31073/stat : 31073 (march_dl) R 31072 31072 28094 0 -1 4194304 881 0 0 0 29 0 0 0 21 0 1 0 221245809 2854912 543 1992294400 134512640 134996440 4294956256 18446744073709551615 134533639 0 0 8392704 0 0 0 0 17 0 0 0
/proc/31073/statm: 697 543 72 118 0 576 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4228

[startup+0.701107 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 31072
/proc/meminfo: memFree=1506368/2055920 swapFree=4191900/4192956
[pid=31072] ppid=31070 vsize=1440 CPUtime=0
/proc/31072/stat : 31072 (SATzilla2007_C) S 31070 31072 28094 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 221245809 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/31072/statm: 360 110 95 260 0 84 0
[pid=31073] ppid=31072 vsize=2900 CPUtime=0.69
/proc/31073/stat : 31073 (march_dl) R 31072 31072 28094 0 -1 4194304 1133 0 0 0 69 0 0 0 25 0 1 0 221245809 2969600 575 1992294400 134512640 134996440 4294956256 18446744073709551615 134514816 0 0 8392704 0 0 0 0 17 0 0 0
/proc/31073/statm: 725 575 74 118 0 604 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4340

[startup+1.5012 s]
/proc/loadavg: 0.92 0.98 0.99 2/66 31074
/proc/meminfo: memFree=1504240/2055920 swapFree=4191900/4192956
[pid=31072] ppid=31070 vsize=1440 CPUtime=0
/proc/31072/stat : 31072 (SATzilla2007_C) S 31070 31072 28094 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 221245809 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/31072/statm: 360 110 95 260 0 84 0
[pid=31073] ppid=31072 vsize=2900 CPUtime=1.49
/proc/31073/stat : 31073 (march_dl) R 31072 31072 28094 0 -1 4194304 1133 0 0 0 149 0 0 0 25 0 1 0 221245809 2969600 575 1992294400 134512640 134996440 4294956256 18446744073709551615 134564352 0 0 8392704 0 0 0 0 17 0 0 0
/proc/31073/statm: 725 575 74 118 0 604 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 4340

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

[startup+1.90224 s]
/proc/loadavg: 0.92 0.98 0.99 2/66 31074
/proc/meminfo: memFree=1504240/2055920 swapFree=4191900/4192956
[pid=31072] ppid=31070 vsize=1440 CPUtime=0
/proc/31072/stat : 31072 (SATzilla2007_C) S 31070 31072 28094 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 221245809 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/31072/statm: 360 110 95 260 0 84 0
[pid=31073] ppid=31072 vsize=2900 CPUtime=1.89
/proc/31073/stat : 31073 (march_dl) R 31072 31072 28094 0 -1 4194304 1133 0 0 0 189 0 0 0 25 0 1 0 221245809 2969600 575 1992294400 134512640 134996440 4294956256 18446744073709551615 134527911 0 0 8392704 0 0 0 0 17 0 0 0
/proc/31073/statm: 725 575 74 118 0 604 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 4340

[startup+2.10227 s]
/proc/loadavg: 0.92 0.98 0.99 2/66 31074
/proc/meminfo: memFree=1504112/2055920 swapFree=4191900/4192956
[pid=31072] ppid=31070 vsize=1440 CPUtime=0
/proc/31072/stat : 31072 (SATzilla2007_C) S 31070 31072 28094 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 221245809 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/31072/statm: 360 110 95 260 0 84 0
[pid=31073] ppid=31072 vsize=2900 CPUtime=2.1
/proc/31073/stat : 31073 (march_dl) R 31072 31072 28094 0 -1 4194304 1133 0 0 0 210 0 0 0 25 0 1 0 221245809 2969600 575 1992294400 134512640 134996440 4294956256 18446744073709551615 134564825 0 0 8392704 0 0 0 0 17 0 0 0
/proc/31073/statm: 725 575 74 118 0 604 0
Current children cumulated CPU time (s) 2.1
Current children cumulated vsize (KiB) 4340

Child status: 20
Real time (s): 2.14329
CPU time (s): 2.14267
CPU user time (s): 2.14067
CPU system time (s): 0.001999
CPU usage (%): 99.9712
Max. virtual memory (cumulated for all children) (KiB): 4340

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.14067
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1291
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 4
involuntary context switches= 5

runsolver used 0.005999 second user time and 0.011998 second system time

The end

Launcher Data 

Begin job on node62 at 2009-05-10 07:09:42
IDJOB=1785801
IDBENCH=71149
IDSOLVER=640
FILE ID=node62/1785801-1241932182
PBS_JOBID= 9264923
Free space on /tmp= 66472 MiB

SOLVER NAME= SAT07 reference solver: SATzilla CRAFTED
BENCH NAME= SAT09/CRAFTED/modcircuits/owp_4vars_5gates.cnf
COMMAND LINE= HOME/SATzilla2007_C BENCHNAME            
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1785801-1241932182/watcher-1785801-1241932182 -o /tmp/evaluation-result-1785801-1241932182/solver-1785801-1241932182 -C 5000 -W 6000 -M 1800 --output-limit 1,15  HOME/SATzilla2007_C HOME/instance-1785801-1241932182.cnf            

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= fe245e5f46bcc987fd412946151b9c92
RANDOM SEED=286369228

node62.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		: 3000.220
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		: 3000.220
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:       1506848 kB
Buffers:         53548 kB
Cached:         420620 kB
SwapCached:        268 kB
Active:         128220 kB
Inactive:       360772 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1506848 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:            9228 kB
Writeback:           0 kB
Mapped:          23368 kB
Slab:            45848 kB
Committed_AS:   557996 kB
PageTables:       1456 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66464 MiB
End job on node62 at 2009-05-10 07:09:45