Trace number 1613307

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 CRAFTEDSAT 1.41078 1.41161

General information on the benchmark

NameCRAFTED/parity-games/
instance_n4_i4_pp.cnf
MD5SUMd35b54498d8d9672e60bf7e3ce33352b
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.022995
Satisfiable
(Un)Satisfiability was proved
Number of variables1572
Number of clauses9007
Sum of the clauses size28496
Maximum clause length12
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 22356
Number of clauses of size 33596
Number of clauses of size 42300
Number of clauses of size 5752
Number of clauses of size over 53

Solver Data 

1.39/1.41	c run March_dl for 5 seconds ... 
1.39/1.41	c Bin: Executing march_dl
1.39/1.41	c child exited successfully
1.39/1.41	c march_dl returned code 10.
1.39/1.41	c main():: ***                                   [ march satisfiability solver ]                                   ***
1.39/1.41	c main()::  **            Copyright (C) 2001-2004 M. Dufour, M. Heule, J. van Zwieten and H. van Maaren            **
1.39/1.41	c main()::   * This program may be redistributed and/or modified under the terms of the GNU Gereral Public License *
1.39/1.41	c main()::
1.39/1.41	c initFormula():: searching for DIMACS p-line....
1.39/1.41	c initFormula():: the DIMACS p-line indicates a CNF of 1572 variables and 9007 clauses.
1.39/1.41	c parseCNF():: parsing....
1.39/1.41	c parseCNF():: the CNF contains 0 unary clauses.
1.39/1.41	c runParser():: parsing was successful, warming up engines...
1.39/1.41	c find_and_remove_tautogolies():: found and removed 279 tautologies
1.39/1.41	c find_and_remove_tautogolies():: found and removed 4 tautologies
1.39/1.41	c simplify_formula():: removed 144 tautological, 796 satisfied and 312 duplicate clauses
1.39/1.41	c preprocessing fase I completed:: there are now 1560 free variables and 7755 clauses.
1.39/1.41	c find_equivalence():: found 48 3-equivalences
1.39/1.41	c find_and_remove_tautogolies():: found and removed 20 tautologies
1.39/1.41	c find_and_remove_tautogolies():: found and removed 4 tautologies
1.39/1.41	c shorten_equivalence(): average equivalence length reduced from 3.583333 to 3.000000
1.39/1.41	c lengthWeight[ 2 ] = 3.97 : 1.00
1.39/1.41	c lengthWeight[ 3 ] = 3.38 : 0.85
1.39/1.41	c lengthWeight[ 4 ] = 2.87 : 0.72
1.39/1.41	c lengthWeight[ 5 ] = 2.44 : 0.61
1.39/1.41	c doublelook_init():: 90% succes rate goal.
1.39/1.41	c root_subsume():: 573 ternary clauses were subsumed, nrofceq = 608
1.39/1.41	c find_and_remove_tautogolies():: found and removed 104 tautologies
1.39/1.41	c root_subsume():: 0 ternary clauses were subsumed, nrofceq = 608
1.39/1.41	c root_subsume():: 0 ternary clauses were subsumed, nrofceq = 608
1.39/1.41	c lessRedundantTransformation():: CHAINPLUS defined.
1.39/1.41	c lessRedundantTransformation():: the transformation yielded 1946 variables and 7890 clauses.
1.39/1.41	c transformTo3SAT():: you gave me 1946 variables and 7890 clauses.
1.39/1.41	c transformTo3SAT():: by the way, the maximal clause length before transformation was 12.
1.39/1.41	c transformTo3SAT():: CHAINPLUS defined.
1.39/1.41	c transformTo3SAT():: I will add 373 variables and 1119 clauses!
1.39/1.41	c transformTo3SAT():: the transformation yielded 2319 variabels and 7890 clauses.
1.39/1.41	c main():: clause / variable ratio: ( 9009 / 2319 ) = 3.88
1.39/1.41	c lengthWeight[ 2 ] = 3.97 : 1.00
1.39/1.41	c lengthWeight[ 3 ] = 3.38 : 0.85
1.39/1.41	c lengthWeight[ 4 ] = 2.87 : 0.72
1.39/1.41	c lengthWeight[ 5 ] = 2.44 : 0.61
1.39/1.41	c doublelook_init():: 90% succes rate goal.
1.39/1.41	c AddTernaryResolvents(): ternary clauses increased from 9009 to 25522
1.39/1.41	c root_subsume():: 11435 ternary clauses were subsumed, nrofceq = 850
1.39/1.41	c find_and_remove_tautogolies():: found and removed 136 tautologies
1.39/1.41	c root_subsume():: 182 ternary clauses were subsumed, nrofceq = 868
1.39/1.41	c find_and_remove_tautogolies():: found and removed 18 tautologies
1.39/1.41	c root_subsume():: 94 ternary clauses were subsumed, nrofceq = 870
1.39/1.41	c find_and_remove_tautogolies():: found and removed 2 tautologies
1.39/1.41	c root_subsume():: 8 ternary clauses were subsumed, nrofceq = 870
1.39/1.41	c root_subsume():: 0 ternary clauses were subsumed, nrofceq = 870
1.39/1.41	c simplify_formula():: removed 0 tautological, 0 satisfied and 0 duplicate clauses
1.39/1.41	c check_ternary_clause_density :: high
1.39/1.41	c root full lookahead
1.39/1.41	c freevars: 1475, independend: 1045, ternary clauses: 8012 
1.39/1.41	c main():: all systems go!
1.39/1.41	c |----------------------------------------------------------------|
c |
1.39/1.41	c
1.39/1.41	c main():: nodeCount: 58
1.39/1.41	c main():: dead ends in main: 1
1.39/1.41	c main():: lookAheadCount: 41482
1.39/1.41	c main():: unitResolveCount: 4810
1.39/1.41	c main():: time=1.400000
1.39/1.41	c main():: necessary_assignments: 163
1.39/1.41	c main():: bin_sat: 0, bin_unsat 0
1.39/1.41	c main():: doublelook: #: 40, succes #: 8
1.39/1.41	c main():: doublelook: succesrate: 20.000, threshold: 0.175 * nrofvars
1.39/1.41	c main():: SOLUTION VERIFIED :-)
1.39/1.41	s SATISFIABLE
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1.39/1.41	c SATZILLA_TIME=1.400000

Verifier Data 

OK

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1613307-1239391677/watcher-1613307-1239391677 -o /tmp/evaluation-result-1613307-1239391677/solver-1613307-1239391677 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/SATzilla2007_C HOME/instance-1613307-1239391677.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1800 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 1.06 1.42 3/64 11051
/proc/meminfo: memFree=1796704/2055920 swapFree=4192956/4192956
[pid=11051] ppid=11049 vsize=1440 CPUtime=0
/proc/11051/stat : 11051 (SATzilla2007_C) R 11049 11051 10987 0 -1 4194304 126 0 0 0 0 0 0 0 18 0 1 0 3806144 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216547 0 0 4096 0 0 0 0 17 0 0 0
/proc/11051/statm: 360 110 95 260 0 84 0
[pid=11052] ppid=11051 vsize=768 CPUtime=0
/proc/11052/stat : 11052 (march_dl) R 11051 11051 10987 0 -1 4194304 109 0 0 0 0 0 0 0 18 0 1 0 3806144 786432 104 1992294400 134512640 134996440 4294956256 18446744073709551615 134652876 0 0 8392704 0 0 0 0 17 0 0 0
/proc/11052/statm: 192 104 50 118 0 71 0

[startup+0.0395411 s]
/proc/loadavg: 0.92 1.06 1.42 3/64 11051
/proc/meminfo: memFree=1796704/2055920 swapFree=4192956/4192956
[pid=11051] ppid=11049 vsize=1440 CPUtime=0
/proc/11051/stat : 11051 (SATzilla2007_C) S 11049 11051 10987 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 3806144 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/11051/statm: 360 110 95 260 0 84 0
[pid=11052] ppid=11051 vsize=1384 CPUtime=0.03
/proc/11052/stat : 11052 (march_dl) R 11051 11051 10987 0 -1 4194304 271 0 0 0 3 0 0 0 20 0 1 0 3806144 1417216 252 1992294400 134512640 134996440 4294956256 18446744073709551615 134542899 0 0 8392704 0 0 0 0 17 0 0 0
/proc/11052/statm: 346 252 55 118 0 225 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 2824

[startup+0.102549 s]
/proc/loadavg: 0.92 1.06 1.42 3/64 11051
/proc/meminfo: memFree=1796704/2055920 swapFree=4192956/4192956
[pid=11051] ppid=11049 vsize=1440 CPUtime=0
/proc/11051/stat : 11051 (SATzilla2007_C) S 11049 11051 10987 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 3806144 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/11051/statm: 360 110 95 260 0 84 0
[pid=11052] ppid=11051 vsize=1984 CPUtime=0.09
/proc/11052/stat : 11052 (march_dl) R 11051 11051 10987 0 -1 4194304 423 0 0 0 9 0 0 0 20 0 1 0 3806144 2031616 404 1992294400 134512640 134996440 4294956256 18446744073709551615 134644129 0 0 8392704 0 0 0 0 17 0 0 0
/proc/11052/statm: 496 404 69 118 0 375 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3424

[startup+0.302581 s]
/proc/loadavg: 0.92 1.06 1.42 3/64 11051
/proc/meminfo: memFree=1796704/2055920 swapFree=4192956/4192956
[pid=11051] ppid=11049 vsize=1440 CPUtime=0
/proc/11051/stat : 11051 (SATzilla2007_C) S 11049 11051 10987 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 3806144 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/11051/statm: 360 110 95 260 0 84 0
[pid=11052] ppid=11051 vsize=4736 CPUtime=0.29
/proc/11052/stat : 11052 (march_dl) R 11051 11051 10987 0 -1 4194304 1096 0 0 0 29 0 0 0 21 0 1 0 3806144 4849664 1076 1992294400 134512640 134996440 4294956256 18446744073709551615 134533671 0 0 8392704 0 0 0 0 17 0 0 0
/proc/11052/statm: 1184 1076 73 118 0 1063 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6176

[startup+0.702643 s]
/proc/loadavg: 0.92 1.06 1.42 3/64 11051
/proc/meminfo: memFree=1796704/2055920 swapFree=4192956/4192956
[pid=11051] ppid=11049 vsize=1440 CPUtime=0
/proc/11051/stat : 11051 (SATzilla2007_C) S 11049 11051 10987 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 3806144 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/11051/statm: 360 110 95 260 0 84 0
[pid=11052] ppid=11051 vsize=4736 CPUtime=0.69
/proc/11052/stat : 11052 (march_dl) R 11051 11051 10987 0 -1 4194304 1096 0 0 0 69 0 0 0 25 0 1 0 3806144 4849664 1076 1992294400 134512640 134996440 4294956256 18446744073709551615 134533687 0 0 8392704 0 0 0 0 17 0 0 0
/proc/11052/statm: 1184 1076 73 118 0 1063 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6176

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

[startup+1.10571 s]
/proc/loadavg: 0.92 1.06 1.42 2/66 11053
/proc/meminfo: memFree=1792592/2055920 swapFree=4192956/4192956
[pid=11051] ppid=11049 vsize=1440 CPUtime=0
/proc/11051/stat : 11051 (SATzilla2007_C) S 11049 11051 10987 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 3806144 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/11051/statm: 360 110 95 260 0 84 0
[pid=11052] ppid=11051 vsize=4784 CPUtime=1.09
/proc/11052/stat : 11052 (march_dl) R 11051 11051 10987 0 -1 4194304 1373 0 0 0 109 0 0 0 25 0 1 0 3806144 4898816 1083 1992294400 134512640 134996440 4294956256 18446744073709551615 134514280 0 0 8392704 0 0 0 0 17 0 0 0
/proc/11052/statm: 1196 1083 75 118 0 1075 0
Current children cumulated CPU time (s) 1.09
Current children cumulated vsize (KiB) 6224

[startup+1.30174 s]
/proc/loadavg: 0.92 1.06 1.42 2/66 11053
/proc/meminfo: memFree=1792592/2055920 swapFree=4192956/4192956
[pid=11051] ppid=11049 vsize=1440 CPUtime=0
/proc/11051/stat : 11051 (SATzilla2007_C) S 11049 11051 10987 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 3806144 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/11051/statm: 360 110 95 260 0 84 0
[pid=11052] ppid=11051 vsize=4784 CPUtime=1.29
/proc/11052/stat : 11052 (march_dl) R 11051 11051 10987 0 -1 4194304 1374 0 0 0 129 0 0 0 25 0 1 0 3806144 4898816 1084 1992294400 134512640 134996440 4294956256 18446744073709551615 134527881 0 0 8392704 0 0 0 0 17 0 0 0
/proc/11052/statm: 1196 1084 75 118 0 1075 0
Current children cumulated CPU time (s) 1.29
Current children cumulated vsize (KiB) 6224

[startup+1.40175 s]
/proc/loadavg: 0.92 1.06 1.42 2/66 11053
/proc/meminfo: memFree=1792592/2055920 swapFree=4192956/4192956
[pid=11051] ppid=11049 vsize=1440 CPUtime=0
/proc/11051/stat : 11051 (SATzilla2007_C) S 11049 11051 10987 0 -1 4194304 128 0 0 0 0 0 0 0 18 0 1 0 3806144 1474560 110 1992294400 134512640 135579813 4294956224 18446744073709551615 135216413 0 0 4096 0 18446744071563356171 0 0 17 1 0 0
/proc/11051/statm: 360 110 95 260 0 84 0
[pid=11052] ppid=11051 vsize=4784 CPUtime=1.39
/proc/11052/stat : 11052 (march_dl) R 11051 11051 10987 0 -1 4194304 1374 0 0 0 139 0 0 0 25 0 1 0 3806144 4898816 1084 1992294400 134512640 134996440 4294956256 18446744073709551615 134533060 0 0 8392704 0 0 0 0 17 0 0 0
/proc/11052/statm: 1196 1084 75 118 0 1075 0
Current children cumulated CPU time (s) 1.39
Current children cumulated vsize (KiB) 6224

Child status: 10
Real time (s): 1.41161
CPU time (s): 1.41078
CPU user time (s): 1.40279
CPU system time (s): 0.007998
CPU usage (%): 99.9416
Max. virtual memory (cumulated for all children) (KiB): 6224

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.40279
system time used= 0.007998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1531
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= 12
involuntary context switches= 6

runsolver used 0.002999 second user time and 0.009998 second system time

The end

Launcher Data 

Begin job on node69 at 2009-04-10 21:27:57
IDJOB=1613307
IDBENCH=71627
IDSOLVER=558
FILE ID=node69/1613307-1239391677
PBS_JOBID= 9132692
Free space on /tmp= 66484 MiB

SOLVER NAME= SAT07 reference solver: SATzilla CRAFTED
BENCH NAME= SAT09/CRAFTED/parity-games/instance_n4_i4_pp.cnf
COMMAND LINE= HOME/SATzilla2007_C BENCHNAME            
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1613307-1239391677/watcher-1613307-1239391677 -o /tmp/evaluation-result-1613307-1239391677/solver-1613307-1239391677 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/SATzilla2007_C HOME/instance-1613307-1239391677.cnf            

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= d35b54498d8d9672e60bf7e3ce33352b
RANDOM SEED=1279896768

node69.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		: 3000.259
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		: 3000.259
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:       1797256 kB
Buffers:         63136 kB
Cached:         134676 kB
SwapCached:          0 kB
Active:          98680 kB
Inactive:       111980 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1797256 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            8656 kB
Writeback:           0 kB
Mapped:          22576 kB
Slab:            33980 kB
Committed_AS:   101968 kB
PageTables:       1464 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= 66476 MiB
End job on node69 at 2009-04-10 21:27:59