Trace number 1595897

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: March KS 2007-02-08Signal 8.80966 8.81257

General information on the benchmark

NameCRAFTED/rbsat/random/unforced/
rbsat-v760c43649g1.cnf
MD5SUM09e521ede3d398d4595568c082f00e6d
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.439932
Satisfiable
(Un)Satisfiability was proved
Number of variables760
Number of clauses43649
Sum of the clauses size87978
Maximum clause length19
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 243609
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 540

Solver Data 

0.09/0.15	c main():: ***                                   [ march satisfiability solver ]                                   ***
0.09/0.15	c main()::  **            Copyright (C) 2001-2004 M. Dufour, M. Heule, J. van Zwieten and H. van Maaren            **
0.09/0.15	c main()::   * This program may be redistributed and/or modified under the terms of the GNU Gereral Public License *
0.09/0.15	c main()::
0.09/0.15	c initFormula():: searching for DIMACS p-line....
0.09/0.15	c full lookahead due to high density!
0.09/0.15	c initFormula():: the DIMACS p-line indicates a CNF of 760 variables and 43649 clauses.
0.09/0.15	c parseCNF():: parsing....
0.09/0.15	c parseCNF():: the CNF contains 0 unary clauses.
0.09/0.15	c runParser():: parsing was successful, warming up engines...
0.09/0.15	c simplify_formula():: removed 0 tautological, 0 satisfied and 2182 duplicate clauses
0.09/0.15	c preprocessing fase I completed:: there are now 760 free variables and 41467 clauses.
0.09/0.15	c stat :: sign balance is biased by 106.887
0.09/0.15	c shorten_equivalence(): average equivalence length reduced from nan to nan
0.09/0.15	c using k-SAT heuristics (size based diff)
0.09/0.15	c longest clause has size 19
0.09/0.15	c simplify_formula():: removed 0 tautological, 0 satisfied and 0 duplicate clauses
0.09/0.15	c main():: clause / variable ratio: ( 41467 / 760 ) = 54.56
0.09/0.15	c longest clause has size 19
0.09/0.15	c simplify_formula():: removed 0 tautological, 0 satisfied and 0 duplicate clauses
0.09/0.15	c dynamic_preselect_setsize :: on
0.09/0.15	c suggested doublelook initial :: 0
0.09/0.15	c main():: all systems go!
0.09/0.15	c |----------------------------------------------------------------|
c |*
c |**
c |****
c |********
c |****************
c |********************************
c |****************************************************************| 0 NC: 444 JD: 158
1.99/2.04	c |----------------------------------------------------------------|
c |*
c |**
c |****
c |********
c |****************
c |********************************
c |*********************************
c |**********************************
c |************************************
c |****************************************
c |************************************************
c |**************************************************
c |****************************************************
c |********************************************************
c |*********************************************************
c |**********************************************************
c |************************************************************
c |*************************************************************
c |**************************************************************
c |***************************************************************
c |****************************************************************| 1 NC: 7571 JD: 158
5.19/5.22	c |----------------------------------------------------------------|
c |****************
c |************************
c |*************************
c |**************************
c |****************************
c |******************************
c |*******************************
c |********************************
c |****************************************
c |********************************************
c |*********************************************
c |**********************************************
c |***********************************************
c |************************************************
c |****************************************************
c |*****************************************************
c |******************************************************
c |********************************************************
c |**********************************************************
c |***********************************************************
c |************************************************************
c |*************************************************************
c |**************************************************************

Verifier Data 

ERROR: Unexpected answer ! (SATISFIABLE/UNSATISFIABLE expected)
Got answer: <no 's ' line found>

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1595897-1239285451/watcher-1595897-1239285451 -o /tmp/evaluation-result-1595897-1239285451/solver-1595897-1239285451 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/march_ks HOME/instance-1595897-1239285451.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: 1.00 1.00 1.00 3/80 14173
/proc/meminfo: memFree=1315928/2055912 swapFree=4170596/4192956
[pid=14173] ppid=14171 vsize=1132 CPUtime=0
/proc/14173/stat : 14173 (march_ks) R 14171 14173 13930 0 -1 4194304 156 0 0 0 0 0 0 0 18 0 1 0 1201209023 1159168 142 1992294400 134512640 135019032 4294956240 18446744073709551615 134684029 0 0 4096 0 0 0 0 17 0 0 0
/proc/14173/statm: 283 142 47 123 0 158 0

[startup+0.0568449 s]
/proc/loadavg: 1.00 1.00 1.00 3/80 14173
/proc/meminfo: memFree=1315928/2055912 swapFree=4170596/4192956
[pid=14173] ppid=14171 vsize=3500 CPUtime=0.05
/proc/14173/stat : 14173 (march_ks) R 14171 14173 13930 0 -1 4194304 562 0 0 0 5 0 0 0 18 0 1 0 1201209023 3584000 440 1992294400 134512640 135019032 4294956240 18446744073709551615 134561739 0 0 4096 0 0 0 0 17 0 0 0
/proc/14173/statm: 875 440 50 123 0 750 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 3500

[startup+0.102849 s]
/proc/loadavg: 1.00 1.00 1.00 3/80 14173
/proc/meminfo: memFree=1315928/2055912 swapFree=4170596/4192956
[pid=14173] ppid=14171 vsize=4008 CPUtime=0.09
/proc/14173/stat : 14173 (march_ks) R 14171 14173 13930 0 -1 4194304 1858 0 0 0 9 0 0 0 18 0 1 0 1201209023 4104192 586 1992294400 134512640 135019032 4294956240 18446744073709551615 134555143 0 0 4096 0 0 0 0 17 0 0 0
/proc/14173/statm: 1002 586 67 123 0 877 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4008

[startup+0.302869 s]
/proc/loadavg: 1.00 1.00 1.00 3/80 14173
/proc/meminfo: memFree=1315928/2055912 swapFree=4170596/4192956
[pid=14173] ppid=14171 vsize=5904 CPUtime=0.29
/proc/14173/stat : 14173 (march_ks) R 14171 14173 13930 0 -1 4194304 2871 0 0 0 29 0 0 0 19 0 1 0 1201209023 6045696 815 1992294400 134512640 135019032 4294956240 18446744073709551615 134538419 0 0 4096 0 0 0 0 17 0 0 0
/proc/14173/statm: 1476 815 72 123 0 1351 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5904

[startup+0.701911 s]
/proc/loadavg: 1.00 1.00 1.00 3/80 14173
/proc/meminfo: memFree=1315928/2055912 swapFree=4170596/4192956
[pid=14173] ppid=14171 vsize=5904 CPUtime=0.69
/proc/14173/stat : 14173 (march_ks) R 14171 14173 13930 0 -1 4194304 2872 0 0 0 69 0 0 0 23 0 1 0 1201209023 6045696 816 1992294400 134512640 135019032 4294956240 18446744073709551615 134526941 0 0 4096 0 0 0 0 17 0 0 0
/proc/14173/statm: 1476 816 72 123 0 1351 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5904

[startup+1.50199 s]
/proc/loadavg: 1.00 1.00 1.00 2/81 14174
/proc/meminfo: memFree=1312912/2055912 swapFree=4170596/4192956
[pid=14173] ppid=14171 vsize=5904 CPUtime=1.49
/proc/14173/stat : 14173 (march_ks) R 14171 14173 13930 0 -1 4194304 2872 0 0 0 149 0 0 0 25 0 1 0 1201209023 6045696 816 1992294400 134512640 135019032 4294956240 18446744073709551615 134526933 0 0 4096 0 0 0 0 17 0 0 0
/proc/14173/statm: 1476 816 72 123 0 1351 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5904

[startup+3.10116 s]
/proc/loadavg: 1.00 1.00 1.00 2/81 14174
/proc/meminfo: memFree=1312464/2055912 swapFree=4170596/4192956
[pid=14173] ppid=14171 vsize=6316 CPUtime=3.09
/proc/14173/stat : 14173 (march_ks) R 14171 14173 13930 0 -1 4194304 2974 0 0 0 308 1 0 0 25 0 1 0 1201209023 6467584 918 1992294400 134512640 135019032 4294956240 18446744073709551615 134538152 0 0 4096 0 0 0 0 17 0 0 0
/proc/14173/statm: 1579 918 72 123 0 1454 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6316

[startup+6.30149 s]
/proc/loadavg: 1.00 1.00 1.00 2/81 14174
/proc/meminfo: memFree=1311632/2055912 swapFree=4170596/4192956
[pid=14173] ppid=14171 vsize=7076 CPUtime=6.29
/proc/14173/stat : 14173 (march_ks) R 14171 14173 13930 0 -1 4194304 3144 0 0 0 628 1 0 0 25 0 1 0 1201209023 7245824 1088 1992294400 134512640 135019032 4294956240 18446744073709551615 134526919 0 0 4096 0 0 0 0 17 0 0 0
/proc/14173/statm: 1769 1088 72 123 0 1644 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7076

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

[startup+7.90166 s]
/proc/loadavg: 1.00 1.00 1.00 2/81 14174
/proc/meminfo: memFree=1311376/2055912 swapFree=4170596/4192956
[pid=14173] ppid=14171 vsize=7412 CPUtime=7.89
/proc/14173/stat : 14173 (march_ks) R 14171 14173 13930 0 -1 4194304 3223 0 0 0 788 1 0 0 25 0 1 0 1201209023 7589888 1167 1992294400 134512640 135019032 4294956240 18446744073709551615 134538215 0 0 4096 0 0 0 0 17 0 0 0
/proc/14173/statm: 1853 1167 72 123 0 1728 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 7412

[startup+8.3017 s]
/proc/loadavg: 1.00 1.00 1.00 2/81 14174
/proc/meminfo: memFree=1311376/2055912 swapFree=4170596/4192956
[pid=14173] ppid=14171 vsize=7412 CPUtime=8.29
/proc/14173/stat : 14173 (march_ks) R 14171 14173 13930 0 -1 4194304 3234 0 0 0 828 1 0 0 25 0 1 0 1201209023 7589888 1178 1992294400 134512640 135019032 4294956240 18446744073709551615 134564752 0 0 4096 0 0 0 0 17 0 0 0
/proc/14173/statm: 1853 1178 72 123 0 1728 0
Current children cumulated CPU time (s) 8.29
Current children cumulated vsize (KiB) 7412

[startup+8.70274 s]
/proc/loadavg: 1.00 1.00 1.00 2/81 14174
/proc/meminfo: memFree=1311184/2055912 swapFree=4170596/4192956
[pid=14173] ppid=14171 vsize=7412 CPUtime=8.69
/proc/14173/stat : 14173 (march_ks) R 14171 14173 13930 0 -1 4194304 3242 0 0 0 868 1 0 0 25 0 1 0 1201209023 7589888 1186 1992294400 134512640 135019032 4294956240 18446744073709551615 134538390 0 0 4096 0 0 0 0 17 0 0 0
/proc/14173/statm: 1853 1186 72 123 0 1728 0
Current children cumulated CPU time (s) 8.69
Current children cumulated vsize (KiB) 7412

[startup+8.80775 s]
/proc/loadavg: 1.00 1.00 1.00 2/81 14174
/proc/meminfo: memFree=1311184/2055912 swapFree=4170596/4192956
[pid=14173] ppid=14171 vsize=7564 CPUtime=8.8
/proc/14173/stat : 14173 (march_ks) R 14171 14173 13930 0 -1 4195840 3255 0 0 0 877 3 0 0 25 0 1 0 1201209023 7745536 1189 1992294400 134512640 135019032 4294956240 18446744073709551615 134523932 0 0 4096 0 0 0 0 17 0 0 0
/proc/14173/statm: 1891 1189 72 123 0 1766 0
Current children cumulated CPU time (s) 8.8
Current children cumulated vsize (KiB) 7564

Child ended because it received signal 11 (SIGSEGV)
Child dumped core
Real time (s): 8.81257
CPU time (s): 8.80966
CPU user time (s): 8.77467
CPU system time (s): 0.034994
CPU usage (%): 99.9669
Max. virtual memory (cumulated for all children) (KiB): 7564

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 8.77467
system time used= 0.034994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3891
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= 34

runsolver used 0.014997 second user time and 0.038994 second system time

The end

Launcher Data 

Begin job on node78 at 2009-04-09 15:57:31
IDJOB=1595897
IDBENCH=71341
IDSOLVER=559
FILE ID=node78/1595897-1239285451
PBS_JOBID= 9115385
Free space on /tmp= 126632 MiB

SOLVER NAME= SAT07 reference solver: March KS 2007-02-08
BENCH NAME= SAT09/CRAFTED/rbsat/random/unforced/rbsat-v760c43649g1.cnf
COMMAND LINE= HOME/march_ks BENCHNAME            
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1595897-1239285451/watcher-1595897-1239285451 -o /tmp/evaluation-result-1595897-1239285451/solver-1595897-1239285451 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/march_ks HOME/instance-1595897-1239285451.cnf            

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

MD5SUM BENCH= 09e521ede3d398d4595568c082f00e6d
RANDOM SEED=991046073

node78.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		: 3000.214
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		: 3000.214
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:      2055912 kB
MemFree:       1316408 kB
Buffers:         55980 kB
Cached:         603172 kB
SwapCached:       7656 kB
Active:          36264 kB
Inactive:       633144 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055912 kB
LowFree:       1316408 kB
SwapTotal:     4192956 kB
SwapFree:      4170596 kB
Dirty:            3368 kB
Writeback:           0 kB
Mapped:          15960 kB
Slab:            54288 kB
Committed_AS:  3287600 kB
PageTables:       2556 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= 126624 MiB
End job on node78 at 2009-04-09 15:57:40