Trace number 1732363

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
march_nn nnSAT 8.78566 8.79117

General information on the benchmark

NameCRAFTED/sgen/sat/
sgen1-sat-140-100.cnf
MD5SUM07b17839a612470dd109e37b3b09aec5
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.160974
Satisfiable
(Un)Satisfiability was proved
Number of variables140
Number of clauses336
Sum of the clauses size840
Maximum clause length5
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 2280
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 556
Number of clauses of size over 50

Solver Data 

0.00/0.00	c main():: ***                                   [ march satisfiability solver ]                                   ***
0.00/0.00	c main()::  **                Copyright (C) 2001-2009 M.J.H. Heule, J.E. van Zwieten, and M. Dufour                 **
0.00/0.00	c main()::   *  This program may be redistributed and/or modified under the terms of the GNU Gereral Public License  *
0.00/0.00	c main()::
0.00/0.00	c initFormula():: searching for DIMACS p-line....
0.00/0.00	c initFormula():: the DIMACS p-line indicates a CNF of 140 variables and 336 clauses.
0.00/0.00	c parseCNF():: parsing....
0.00/0.00	c parseCNF():: the CNF contains 0 unary clauses.
0.00/0.00	c runParser():: parsing was successful, warming up engines...
0.00/0.00	c simplify_formula():: removed 0 tautological, 0 satisfied and 0 duplicate clauses
0.00/0.00	c preprocessing fase I completed:: there are now 140 free variables and 336 clauses.
0.00/0.00	c stat :: sign balance is biased by 0.496
0.00/0.00	c using k-SAT heuristics (size based diff)
0.00/0.00	c simplify_formula():: removed 0 tautological, 0 satisfied and 0 duplicate clauses
0.00/0.00	c simplify_formula():: removed 0 tautological, 0 satisfied and 0 duplicate clauses
0.00/0.00	c main():: clause / variable ratio: ( 336 / 140 ) = 2.40
0.00/0.00	c longest clause has size 5
0.00/0.00	c simplify_formula():: removed 0 tautological, 0 satisfied and 0 duplicate clauses
0.00/0.00	c number of free variables = 140
0.00/0.00	c dynamic_preselect_setsize :: off
0.00/0.00	c main():: all systems go!
0.00/0.00	c |----------------------------------------------------------------|
c |*
c |**
c |****
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c |********************************
c |****************************************************************| ( 0/999) NodeCount: 20
0.00/0.00	c |----------------------------------------------------------------|
c |*
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c |****************************************************************| ( 1/999) NodeCount: 195
0.00/0.02	c |----------------------------------------------------------------|
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c |****************************************************************| ( 2/999) NodeCount: 1124
0.05/0.09	c |----------------------------------------------------------------|
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c |****************************************************************| ( 3/999) NodeCount: 4534
0.29/0.33	c |----------------------------------------------------------------|
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c |****************************************************************| ( 4/999) NodeCount: 13702
0.89/0.99	c |----------------------------------------------------------------|
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c |****************************************************************| ( 5/999) NodeCount: 32036
2.20/2.29	c |----------------------------------------------------------------|
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c |****************************************************************| ( 6/999) NodeCount: 60389
4.29/4.33	c |----------------------------------------------------------------|
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c |****************************************************************| ( 7/999) NodeCount: 95139
6.78/6.88	c |----------------------------------------------------------------|
c |*
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c |*****************************************************
8.69/8.79	c |0010100001100000111100$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$|
8.69/8.79	
c |*****************************************************
8.69/8.79	c
8.69/8.79	c main():: nodeCount: 120353
8.69/8.79	c main():: dead ends in main: 10621
8.69/8.79	c main():: lookAheadCount: 3099917
8.69/8.79	c main():: unitResolveCount: 1716958
8.69/8.79	c main():: time=8.780000
8.69/8.79	c main():: necessary_assignments: 23442
8.69/8.79	c main():: bin_sat: 0, bin_unsat 0
8.69/8.79	c main():: doublelook: #: 206219, succes #: 125527
8.69/8.79	c main():: doublelook: overall 6.949 of all possible doublelooks executed
8.69/8.79	c main():: doublelook: succesrate: 60.871, average DL_trigger: 5.378
8.69/8.79	c main():: SOLUTION VERIFIED :-)
8.69/8.79	s SATISFIABLE
8.69/8.79	v -1 -2 3 -4 -5 6 -7 -8 -9 -10 -11 12 -13 -14 -15 -16 -17 18 -19 -20 -21 -22 23 -24 -25 -26 27 -28 -29 -30 -31 32 -33 -34 -35 36 -37 -38 -39 -40 41 -42 -43 -44 -45 -46 -47 -48 49 -50 51 -52 -53 -54 -55 -56 -57 -58 59 -60 61 -62 -63 -64 -65 -66 -67 68 -69 -70 71 -72 -73 -74 -75 -76 -77 78 -79 -80 -81 -82 -83 84 -85 -86 87 -88 -89 -90 -91 -92 -93 94 -95 -96 -97 -98 99 -100 -101 -102 -103 104 -105 -106 107 -108 -109 -110 -111 -112 113 -114 -115 116 -117 -118 -119 -120 -121 -122 -123 124 -125 -126 -127 128 -129 -130 -131 -132 133 -134 -135 136 -137 -138 -139 -140 0

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-1732363-1240780391/watcher-1732363-1240780391 -o /tmp/evaluation-result-1732363-1240780391/solver-1732363-1240780391 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/march_nn HOME/instance-1732363-1240780391.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: 0.90 0.95 0.98 3/65 24721
/proc/meminfo: memFree=1424952/2055920 swapFree=4192812/4192956
[pid=24721] ppid=24719 vsize=1012 CPUtime=0
/proc/24721/stat : 24721 (march_nn) R 24719 24721 24600 0 -1 4194304 147 0 0 0 0 0 0 0 18 0 1 0 106067492 1036288 130 1992294400 134512640 135197250 4294956240 18446744073709551615 134539075 0 0 4096 0 0 0 0 17 1 0 0
/proc/24721/statm: 253 130 89 167 0 84 0

[startup+0.0591229 s]
/proc/loadavg: 0.90 0.95 0.98 3/65 24721
/proc/meminfo: memFree=1424952/2055920 swapFree=4192812/4192956
[pid=24721] ppid=24719 vsize=1012 CPUtime=0.05
/proc/24721/stat : 24721 (march_nn) R 24719 24721 24600 0 -1 4194304 160 0 0 0 5 0 0 0 18 0 1 0 106067492 1036288 143 1992294400 134512640 135197250 4294956240 18446744073709551615 134718558 0 0 4096 0 0 0 0 17 1 0 0
/proc/24721/statm: 253 143 92 167 0 84 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 1012

[startup+0.101127 s]
/proc/loadavg: 0.90 0.95 0.98 3/65 24721
/proc/meminfo: memFree=1424952/2055920 swapFree=4192812/4192956
[pid=24721] ppid=24719 vsize=1172 CPUtime=0.09
/proc/24721/stat : 24721 (march_nn) R 24719 24721 24600 0 -1 4194304 172 0 0 0 9 0 0 0 18 0 1 0 106067492 1200128 155 1992294400 134512640 135197250 4294956240 18446744073709551615 134713087 0 0 4096 0 0 0 0 17 1 0 0
/proc/24721/statm: 293 155 92 167 0 124 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1172

[startup+0.301153 s]
/proc/loadavg: 0.90 0.95 0.98 3/65 24721
/proc/meminfo: memFree=1424952/2055920 swapFree=4192812/4192956
[pid=24721] ppid=24719 vsize=1308 CPUtime=0.29
/proc/24721/stat : 24721 (march_nn) R 24719 24721 24600 0 -1 4194304 214 0 0 0 29 0 0 0 19 0 1 0 106067492 1339392 197 1992294400 134512640 135197250 4294956240 18446744073709551615 134524906 0 0 4096 0 0 0 0 17 1 0 0
/proc/24721/statm: 327 197 92 167 0 158 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1308

[startup+0.701203 s]
/proc/loadavg: 0.90 0.95 0.98 3/65 24721
/proc/meminfo: memFree=1424952/2055920 swapFree=4192812/4192956
[pid=24721] ppid=24719 vsize=1476 CPUtime=0.69
/proc/24721/stat : 24721 (march_nn) R 24719 24721 24600 0 -1 4194304 252 0 0 0 69 0 0 0 22 0 1 0 106067492 1511424 235 1992294400 134512640 135197250 4294956240 18446744073709551615 134527016 0 0 4096 0 0 0 0 17 1 0 0
/proc/24721/statm: 369 235 92 167 0 200 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 1476

[startup+1.50231 s]
/proc/loadavg: 0.90 0.95 0.98 2/66 24722
/proc/meminfo: memFree=1424240/2055920 swapFree=4192812/4192956
[pid=24721] ppid=24719 vsize=1856 CPUtime=1.5
/proc/24721/stat : 24721 (march_nn) R 24719 24721 24600 0 -1 4194304 316 0 0 0 150 0 0 0 25 0 1 0 106067492 1900544 299 1992294400 134512640 135197250 4294956240 18446744073709551615 134597712 0 0 4096 0 0 0 0 17 1 0 0
/proc/24721/statm: 464 299 92 167 0 295 0
Current children cumulated CPU time (s) 1.5
Current children cumulated vsize (KiB) 1856

[startup+3.10151 s]
/proc/loadavg: 0.90 0.95 0.98 2/66 24722
/proc/meminfo: memFree=1423600/2055920 swapFree=4192812/4192956
[pid=24721] ppid=24719 vsize=2560 CPUtime=3.09
/proc/24721/stat : 24721 (march_nn) R 24719 24721 24600 0 -1 4194304 499 0 0 0 309 0 0 0 25 0 1 0 106067492 2621440 482 1992294400 134512640 135197250 4294956240 18446744073709551615 134611758 0 0 4096 0 0 0 0 17 1 0 0
/proc/24721/statm: 640 482 92 167 0 471 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 2560

[startup+6.30191 s]
/proc/loadavg: 0.91 0.95 0.98 2/66 24722
/proc/meminfo: memFree=1422192/2055920 swapFree=4192812/4192956
[pid=24721] ppid=24719 vsize=4200 CPUtime=6.28
/proc/24721/stat : 24721 (march_nn) R 24719 24721 24600 0 -1 4194304 835 0 0 0 628 0 0 0 25 0 1 0 106067492 4300800 818 1992294400 134512640 135197250 4294956240 18446744073709551615 134550698 0 0 4096 0 0 0 0 17 1 0 0
/proc/24721/statm: 1050 818 92 167 0 881 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 4200

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

[startup+7.90111 s]
/proc/loadavg: 0.91 0.95 0.98 2/66 24722
/proc/meminfo: memFree=1421296/2055920 swapFree=4192812/4192956
[pid=24721] ppid=24719 vsize=5352 CPUtime=7.88
/proc/24721/stat : 24721 (march_nn) R 24719 24721 24600 0 -1 4194304 996 0 0 0 788 0 0 0 25 0 1 0 106067492 5480448 979 1992294400 134512640 135197250 4294956240 18446744073709551615 134602669 0 0 4096 0 0 0 0 17 1 0 0
/proc/24721/statm: 1338 979 92 167 0 1169 0
Current children cumulated CPU time (s) 7.88
Current children cumulated vsize (KiB) 5352

[startup+8.30117 s]
/proc/loadavg: 0.91 0.95 0.98 2/66 24722
/proc/meminfo: memFree=1421296/2055920 swapFree=4192812/4192956
[pid=24721] ppid=24719 vsize=5352 CPUtime=8.29
/proc/24721/stat : 24721 (march_nn) R 24719 24721 24600 0 -1 4194304 1036 0 0 0 828 1 0 0 25 0 1 0 106067492 5480448 1019 1992294400 134512640 135197250 4294956240 18446744073709551615 134602737 0 0 4096 0 0 0 0 17 1 0 0
/proc/24721/statm: 1338 1019 92 167 0 1169 0
Current children cumulated CPU time (s) 8.29
Current children cumulated vsize (KiB) 5352

[startup+8.70122 s]
/proc/loadavg: 0.91 0.95 0.98 2/66 24722
/proc/meminfo: memFree=1420848/2055920 swapFree=4192812/4192956
[pid=24721] ppid=24719 vsize=5352 CPUtime=8.69
/proc/24721/stat : 24721 (march_nn) R 24719 24721 24600 0 -1 4194304 1081 0 0 0 868 1 0 0 25 0 1 0 106067492 5480448 1064 1992294400 134512640 135197250 4294956240 18446744073709551615 134548486 0 0 4096 0 0 0 0 17 1 0 0
/proc/24721/statm: 1338 1064 92 167 0 1169 0
Current children cumulated CPU time (s) 8.69
Current children cumulated vsize (KiB) 5352

Child status: 10
Real time (s): 8.79117
CPU time (s): 8.78566
CPU user time (s): 8.77367
CPU system time (s): 0.011998
CPU usage (%): 99.9374
Max. virtual memory (cumulated for all children) (KiB): 5352

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 8.77367
system time used= 0.011998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1092
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= 2
involuntary context switches= 26

runsolver used 0.012998 second user time and 0.032994 second system time

The end

Launcher Data 

Begin job on node54 at 2009-04-26 23:13:11
IDJOB=1732363
IDBENCH=71116
IDSOLVER=522
FILE ID=node54/1732363-1240780391
PBS_JOBID= 9187288
Free space on /tmp= 66284 MiB

SOLVER NAME= march_nn nn
BENCH NAME= SAT09/CRAFTED/sgen/sat/sgen1-sat-140-100.cnf
COMMAND LINE= HOME/march_nn BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1732363-1240780391/watcher-1732363-1240780391 -o /tmp/evaluation-result-1732363-1240780391/solver-1732363-1240780391 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/march_nn HOME/instance-1732363-1240780391.cnf

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

MD5SUM BENCH= 07b17839a612470dd109e37b3b09aec5
RANDOM SEED=503828709

node54.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		: 3000.234
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		: 3000.234
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:       1425368 kB
Buffers:         74900 kB
Cached:         463248 kB
SwapCached:        140 kB
Active:         274124 kB
Inactive:       279456 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1425368 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:             780 kB
Writeback:           0 kB
Mapped:          25040 kB
Slab:            62908 kB
Committed_AS:   422000 kB
PageTables:       1368 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= 66280 MiB
End job on node54 at 2009-04-26 23:13:20