Trace number 1554104

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_hi hiUNSAT 21.5997 21.6168

General information on the benchmark

NameAPPLICATIONS/bitverif/countbitsrotate/
countbitsrotate016.cnf
MD5SUMcb3e934c498918abbc8bcf7f964c0d21
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark19.837
Satisfiable
(Un)Satisfiability was proved
Number of variables2087
Number of clauses6212
Sum of the clauses size14492
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 24140
Number of clauses of size 32070
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data

0.04/0.05	c main():: ***                                   [ march satisfiability solver ]                                   ***
0.04/0.05	c main()::  **                Copyright (C) 2001-2009 M.J.H. Heule, J.E. van Zwieten, and M. Dufour                 **
0.04/0.05	c main()::   *  This program may be redistributed and/or modified under the terms of the GNU Gereral Public License  *
0.04/0.05	c main()::
0.04/0.05	c initFormula():: searching for DIMACS p-line....
0.04/0.05	c initFormula():: the DIMACS p-line indicates a CNF of 2087 variables and 6212 clauses.
0.04/0.05	c parseCNF():: parsing....
0.04/0.05	c parseCNF():: the CNF contains 2 unary clauses.
0.04/0.05	c runParser():: parsing was successful, warming up engines...
0.04/0.05	c simplify_formula():: removed 0 tautological, 4 satisfied and 0 duplicate clauses
0.04/0.05	c preprocessing fase I completed:: there are now 2085 free variables and 6208 clauses.
0.04/0.05	c stat :: sign balance is biased by 0.109
0.04/0.05	c using 3-SAT heuristics (occurence based diff)
0.04/0.05	c simplify_formula():: removed 0 tautological, 0 satisfied and 0 duplicate clauses
0.04/0.05	c simplify_formula():: removed 0 tautological, 0 satisfied and 0 duplicate clauses
0.04/0.05	c lessRedundantTransformation():: nothing to be done.
0.04/0.05	c transformTo3SAT():: you gave me 2087 variables and 6208 clauses.
0.04/0.05	c transformTo3SAT():: by the way, the maximal clause length before transformation was 3.
0.04/0.05	c transformTo3SAT():: I will add 0 variables and 0 clauses!
0.04/0.05	c transformTo3SAT():: the transformation yielded 2087 variabels and 6208 clauses.
0.04/0.05	c main():: clause / variable ratio: ( 6208 / 2087 ) = 2.97
0.04/0.05	c longest clause has size 3
0.04/0.05	c simplify_formula():: removed 0 tautological, 0 satisfied and 0 duplicate clauses
0.04/0.05	c number of free variables = 2085
0.04/0.05	c dynamic_preselect_setsize :: off
0.04/0.05	c main():: all systems go!
0.04/0.05	c |----------------------------------------------------------------|
c |*
c |**
c |****
c |********
c |****************
c |********************************
c |****************************************************************| (0/8) NodeCount: 214
0.30/0.39	c |----------------------------------------------------------------|
c |*
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c |****************************************************************| (1/8) NodeCount: 929
1.40/1.40	c |----------------------------------------------------------------|
c |*
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c |****************************************************************| (2/8) NodeCount: 2982
4.49/4.51	c |----------------------------------------------------------------|
c |*
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c |****************************************************************| (3/8) NodeCount: 5928
9.49/9.55	c |----------------------------------------------------------------|
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c |****************************************************************| (4/8) NodeCount: 8810
14.88/14.94	c |----------------------------------------------------------------|
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c |****************************************************************| (5/8) NodeCount: 10812
18.88/18.95	c |----------------------------------------------------------------|
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c |****************************************************************| (6/8) NodeCount: 11748
20.88/20.94	c |----------------------------------------------------------------|
c |*
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c |****************************************************************| (7/8) NodeCount: 12015
21.48/21.53	c |----------------------------------------------------------------|
c |*
c |**
c |****
c |********
c |****************
c |********************************
c |****************************************************************| (8/8) NodeCount: 12048
21.58/21.61	c |----------------------------------------------------------------|
c |
21.58/21.61	c
21.58/21.61	c main():: nodeCount: 12048
21.58/21.61	c main():: dead ends in main: 1
21.58/21.61	c main():: lookAheadCount: 934105
21.58/21.61	c main():: unitResolveCount: 705191
21.58/21.61	c main():: time=21.590000
21.58/21.61	c main():: necessary_assignments: 12975
21.58/21.61	c main():: bin_sat: 0, bin_unsat 0
21.58/21.61	c main():: doublelook: #: 28272, succes #: 17158
21.58/21.61	c main():: doublelook: overall 3.103 of all possible doublelooks executed
21.58/21.61	c main():: doublelook: succesrate: 60.689, average DL_trigger: 186.991
21.58/21.61	s UNSATISFIABLE

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-1554104-1238723625/watcher-1554104-1238723625 -o /tmp/evaluation-result-1554104-1238723625/solver-1554104-1238723625 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/march_hi HOME/instance-1554104-1238723625.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: 0.99 0.98 1.07 3/64 9046
/proc/meminfo: memFree=1100320/2055920 swapFree=4178260/4192956
[pid=9046] ppid=9044 vsize=968 CPUtime=0
/proc/9046/stat : 9046 (march_hi) R 9044 9046 8477 0 -1 4194304 142 0 0 0 0 0 0 0 18 0 1 0 910954001 991232 127 1992294400 134512640 135197378 4294956224 18446744073709551615 134718590 0 0 4096 0 0 0 0 17 1 0 0
/proc/9046/statm: 242 128 57 167 0 73 0

[startup+0.0482429 s]
/proc/loadavg: 0.99 0.98 1.07 3/64 9046
/proc/meminfo: memFree=1100320/2055920 swapFree=4178260/4192956
[pid=9046] ppid=9044 vsize=1612 CPUtime=0.04
/proc/9046/stat : 9046 (march_hi) R 9044 9046 8477 0 -1 4194304 288 0 0 0 4 0 0 0 18 0 1 0 910954001 1650688 269 1992294400 134512640 135197378 4294956224 18446744073709551615 134611472 0 0 4096 0 0 0 0 17 1 0 0
/proc/9046/statm: 403 269 82 167 0 234 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 1612

[startup+0.10225 s]
/proc/loadavg: 0.99 0.98 1.07 3/64 9046
/proc/meminfo: memFree=1100320/2055920 swapFree=4178260/4192956
[pid=9046] ppid=9044 vsize=4472 CPUtime=0.1
/proc/9046/stat : 9046 (march_hi) R 9044 9046 8477 0 -1 4194304 618 0 0 0 10 0 0 0 18 0 1 0 910954001 4579328 599 1992294400 134512640 135197378 4294956224 18446744073709551615 134697414 0 0 4096 0 0 0 0 17 1 0 0
/proc/9046/statm: 1118 599 91 167 0 949 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 4472

[startup+0.301278 s]
/proc/loadavg: 0.99 0.98 1.07 3/64 9046
/proc/meminfo: memFree=1100320/2055920 swapFree=4178260/4192956
[pid=9046] ppid=9044 vsize=4620 CPUtime=0.3
/proc/9046/stat : 9046 (march_hi) R 9044 9046 8477 0 -1 4194304 649 0 0 0 30 0 0 0 19 0 1 0 910954001 4730880 630 1992294400 134512640 135197378 4294956224 18446744073709551615 134539243 0 0 4096 0 0 0 0 17 1 0 0
/proc/9046/statm: 1155 630 91 167 0 986 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 4620

[startup+0.702337 s]
/proc/loadavg: 0.99 0.98 1.07 3/64 9046
/proc/meminfo: memFree=1100320/2055920 swapFree=4178260/4192956
[pid=9046] ppid=9044 vsize=4752 CPUtime=0.7
/proc/9046/stat : 9046 (march_hi) R 9044 9046 8477 0 -1 4194304 674 0 0 0 70 0 0 0 22 0 1 0 910954001 4866048 655 1992294400 134512640 135197378 4294956224 18446744073709551615 134539309 0 0 4096 0 0 0 0 17 1 0 0
/proc/9046/statm: 1188 655 91 167 0 1019 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 4752

[startup+1.50146 s]
/proc/loadavg: 0.99 0.98 1.07 2/65 9047
/proc/meminfo: memFree=1098008/2055920 swapFree=4178260/4192956
[pid=9046] ppid=9044 vsize=4752 CPUtime=1.5
/proc/9046/stat : 9046 (march_hi) R 9044 9046 8477 0 -1 4194304 686 0 0 0 150 0 0 0 25 0 1 0 910954001 4866048 667 1992294400 134512640 135197378 4294956224 18446744073709551615 134548531 0 0 4096 0 0 0 0 17 1 0 0
/proc/9046/statm: 1188 667 91 167 0 1019 0
Current children cumulated CPU time (s) 1.5
Current children cumulated vsize (KiB) 4752

[startup+3.10169 s]
/proc/loadavg: 0.99 0.98 1.07 2/65 9047
/proc/meminfo: memFree=1097816/2055920 swapFree=4178260/4192956
[pid=9046] ppid=9044 vsize=4752 CPUtime=3.09
/proc/9046/stat : 9046 (march_hi) R 9044 9046 8477 0 -1 4194304 701 0 0 0 309 0 0 0 25 0 1 0 910954001 4866048 682 1992294400 134512640 135197378 4294956224 18446744073709551615 134539243 0 0 4096 0 0 0 0 17 1 0 0
/proc/9046/statm: 1188 682 91 167 0 1019 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 4752

[startup+6.30117 s]
/proc/loadavg: 0.99 0.98 1.07 2/65 9047
/proc/meminfo: memFree=1097688/2055920 swapFree=4178260/4192956
[pid=9046] ppid=9044 vsize=4884 CPUtime=6.29
/proc/9046/stat : 9046 (march_hi) R 9044 9046 8477 0 -1 4194304 713 0 0 0 629 0 0 0 25 0 1 0 910954001 5001216 694 1992294400 134512640 135197378 4294956224 18446744073709551615 134552937 0 0 4096 0 0 0 0 17 1 0 0
/proc/9046/statm: 1221 694 91 167 0 1052 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 4884

[startup+12.7011 s]
/proc/loadavg: 0.99 0.98 1.07 2/65 9047
/proc/meminfo: memFree=1097560/2055920 swapFree=4178260/4192956
[pid=9046] ppid=9044 vsize=4884 CPUtime=12.68
/proc/9046/stat : 9046 (march_hi) R 9044 9046 8477 0 -1 4194304 732 0 0 0 1268 0 0 0 25 0 1 0 910954001 5001216 713 1992294400 134512640 135197378 4294956224 18446744073709551615 134596890 0 0 4096 0 0 0 0 17 1 0 0
/proc/9046/statm: 1221 713 91 167 0 1052 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 4884

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

[startup+15.9026 s]
/proc/loadavg: 0.99 0.98 1.07 2/65 9047
/proc/meminfo: memFree=1097496/2055920 swapFree=4178260/4192956
[pid=9046] ppid=9044 vsize=4884 CPUtime=15.88
/proc/9046/stat : 9046 (march_hi) R 9044 9046 8477 0 -1 4194304 736 0 0 0 1588 0 0 0 25 0 1 0 910954001 5001216 717 1992294400 134512640 135197378 4294956224 18446744073709551615 134539266 0 0 4096 0 0 0 0 17 1 0 0
/proc/9046/statm: 1221 717 91 167 0 1052 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 4884

[startup+19.1011 s]
/proc/loadavg: 0.99 0.98 1.07 2/65 9047
/proc/meminfo: memFree=1097496/2055920 swapFree=4178260/4192956
[pid=9046] ppid=9044 vsize=4884 CPUtime=19.08
/proc/9046/stat : 9046 (march_hi) R 9044 9046 8477 0 -1 4194304 740 0 0 0 1908 0 0 0 25 0 1 0 910954001 5001216 721 1992294400 134512640 135197378 4294956224 18446744073709551615 134525324 0 0 4096 0 0 0 0 17 1 0 0
/proc/9046/statm: 1221 721 91 167 0 1052 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 4884

[startup+20.7013 s]
/proc/loadavg: 0.99 0.98 1.07 2/65 9047
/proc/meminfo: memFree=1097496/2055920 swapFree=4178260/4192956
[pid=9046] ppid=9044 vsize=4884 CPUtime=20.68
/proc/9046/stat : 9046 (march_hi) R 9044 9046 8477 0 -1 4194304 741 0 0 0 2068 0 0 0 25 0 1 0 910954001 5001216 722 1992294400 134512640 135197378 4294956224 18446744073709551615 134552521 0 0 4096 0 0 0 0 17 1 0 0
/proc/9046/statm: 1221 722 91 167 0 1052 0
Current children cumulated CPU time (s) 20.68
Current children cumulated vsize (KiB) 4884

[startup+21.1024 s]
/proc/loadavg: 0.99 0.98 1.07 2/65 9047
/proc/meminfo: memFree=1097496/2055920 swapFree=4178260/4192956
[pid=9046] ppid=9044 vsize=4884 CPUtime=21.08
/proc/9046/stat : 9046 (march_hi) R 9044 9046 8477 0 -1 4194304 742 0 0 0 2108 0 0 0 25 0 1 0 910954001 5001216 723 1992294400 134512640 135197378 4294956224 18446744073709551615 134539269 0 0 4096 0 0 0 0 17 1 0 0
/proc/9046/statm: 1221 723 91 167 0 1052 0
Current children cumulated CPU time (s) 21.08
Current children cumulated vsize (KiB) 4884

[startup+21.5014 s]
/proc/loadavg: 0.99 0.98 1.07 2/65 9047
/proc/meminfo: memFree=1097496/2055920 swapFree=4178260/4192956
[pid=9046] ppid=9044 vsize=4884 CPUtime=21.48
/proc/9046/stat : 9046 (march_hi) R 9044 9046 8477 0 -1 4194304 742 0 0 0 2148 0 0 0 25 0 1 0 910954001 5001216 723 1992294400 134512640 135197378 4294956224 18446744073709551615 134548451 0 0 4096 0 0 0 0 17 1 0 0
/proc/9046/statm: 1221 723 91 167 0 1052 0
Current children cumulated CPU time (s) 21.48
Current children cumulated vsize (KiB) 4884

[startup+21.6014 s]
/proc/loadavg: 0.99 0.98 1.07 2/65 9047
/proc/meminfo: memFree=1097496/2055920 swapFree=4178260/4192956
[pid=9046] ppid=9044 vsize=4884 CPUtime=21.58
/proc/9046/stat : 9046 (march_hi) R 9044 9046 8477 0 -1 4194304 742 0 0 0 2158 0 0 0 25 0 1 0 910954001 5001216 723 1992294400 134512640 135197378 4294956224 18446744073709551615 134525353 0 0 4096 0 0 0 0 17 1 0 0
/proc/9046/statm: 1221 723 91 167 0 1052 0
Current children cumulated CPU time (s) 21.58
Current children cumulated vsize (KiB) 4884

Child status: 20
Real time (s): 21.6168
CPU time (s): 21.5997
CPU user time (s): 21.5957
CPU system time (s): 0.003999
CPU usage (%): 99.9211
Max. virtual memory (cumulated for all children) (KiB): 4884

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 21.5957
system time used= 0.003999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 744
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= 289

runsolver used 0.030995 second user time and 0.051992 second system time

The end

Launcher Data

Begin job on node39 at 2009-04-03 03:53:45
IDJOB=1554104
IDBENCH=70774
IDSOLVER=521
FILE ID=node39/1554104-1238723625
PBS_JOBID= 9085276
Free space on /tmp= 66252 MiB

SOLVER NAME= march_hi hi
BENCH NAME= SAT09/APPLICATIONS/bitverif/countbitsrotate/countbitsrotate016.cnf
COMMAND LINE= HOME/march_hi BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1554104-1238723625/watcher-1554104-1238723625 -o /tmp/evaluation-result-1554104-1238723625/solver-1554104-1238723625 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/march_hi HOME/instance-1554104-1238723625.cnf

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

MD5SUM BENCH= cb3e934c498918abbc8bcf7f964c0d21
RANDOM SEED=1486259263

node39.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		: 3000.285
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		: 3000.285
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:       1100800 kB
Buffers:         97004 kB
Cached:         757952 kB
SwapCached:       8168 kB
Active:         120184 kB
Inactive:       744764 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1100800 kB
SwapTotal:     4192956 kB
SwapFree:      4178260 kB
Dirty:             856 kB
Writeback:           0 kB
Mapped:          16736 kB
Slab:            76472 kB
Committed_AS:  2646048 kB
PageTables:       1188 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= 66252 MiB
End job on node39 at 2009-04-03 03:54:07