Trace number 1832394

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
MiniSAT 09z 2009-03-22UNSAT 26.012 26.0315

General information on the benchmark

Nameschup-l2s-abp4-1-k31.cnf
MD5SUM2ec4066bd8381455b1990aa40b382ff0
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark14.9847
Satisfiable
(Un)Satisfiability was proved
Number of variables14809
Number of clauses48483
Sum of the clauses size123522
Maximum clause length33
Minimum clause length1
Number of clauses of size 136
Number of clauses of size 224983
Number of clauses of size 322191
Number of clauses of size 4589
Number of clauses of size 5403
Number of clauses of size over 5281

Solver Data 

0.00/0.00	c Parsing...
0.00/0.04	c ==============================================================================
0.00/0.04	c |           |     ORIGINAL     |              LEARNT              |          |
0.00/0.04	c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
0.00/0.04	c ==============================================================================
0.00/0.04	c |         0 |   48182   122630 |   14454       0        0     nan |  0.000 % |
0.00/0.42	c |         0 |   22536    72394 |      --       0       --      -- |     --   | -25100/-48787
0.00/0.42	c ==============================================================================
0.00/0.42	c Result  :   #vars: 4673   #clauses: 22536   #literals: 72394
0.00/0.42	c CPU time:   0.403938 s
0.00/0.42	c ==============================================================================
0.00/0.45	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.45	c Number of variables   : 4673         
0.00/0.45	c Number of clauses     : 22536        
0.00/0.46	c Parsing time: 0.01         s
25.96/26.02	c restarts              : 273
25.96/26.02	c conflicts             : 73464          (2879 /sec)
25.96/26.02	c decisions             : 146557         (1.42 % random) (5743 /sec)
25.96/26.02	c propagations          : 26105409       (1022894 /sec)
25.96/26.02	c conflict literals     : 2052329        (40.56 % deleted)
25.96/26.02	c Memory used           : 12.41 MB
25.96/26.02	c CPU time              : 25.5211 s
25.96/26.02	UNSATISFIABLE
25.96/26.02	
25.96/26.02	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-1832394-1242772761/watcher-1832394-1242772761 -o /tmp/evaluation-result-1832394-1242772761/solver-1832394-1242772761 -C 1200 -W 1800 -M 1800 SatELiteGTI HOME/instance-1832394-1242772761.cnf -random-seed=471978712 

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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 15921
/proc/meminfo: memFree=1975872/2055920 swapFree=4179204/4192956
[pid=15921] ppid=15919 vsize=5356 CPUtime=0
/proc/15921/stat : 15921 (SatELiteGTI) S 15919 15921 15695 0 -1 4194304 276 0 0 0 0 0 0 0 18 0 1 0 305309422 5484544 235 1992294400 4194304 4889804 548682068800 18446744073709551615 217871777874 0 0 4100 65536 18446744071563648864 0 0 17 0 0 0
/proc/15921/statm: 1339 235 195 169 0 50 0
[pid=15922] ppid=15921 vsize=5356 CPUtime=0
/proc/15922/stat : 15922 (SatELiteGTI) S 15921 15921 15695 0 -1 4194368 51 25 0 0 0 0 0 0 18 0 1 0 305309422 5484544 238 1992294400 4194304 4889804 548682068800 18446744073709551615 217871606596 0 65536 4096 65538 18446744071563356171 0 0 17 0 0 0
/proc/15922/statm: 1339 238 198 169 0 50 0
[pid=15924] ppid=15922 vsize=192 CPUtime=0
/proc/15924/stat : 15924 (sed) R 15922 15921 15695 0 -1 4194304 42 0 0 0 0 0 0 0 18 0 1 0 305309422 196608 23 1992294400 4194304 4240196 548682069056 18446744073709551615 217868989717 0 0 4096 0 0 0 0 17 0 0 0
/proc/15924/statm: 48 23 16 11 0 11 0

[startup+0.0879971 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 15921
/proc/meminfo: memFree=1975872/2055920 swapFree=4179204/4192956
[pid=15921] ppid=15919 vsize=5356 CPUtime=0
/proc/15921/stat : 15921 (SatELiteGTI) S 15919 15921 15695 0 -1 4194304 310 250 0 0 0 0 0 0 18 0 1 0 305309422 5484544 237 1992294400 4194304 4889804 548682068800 18446744073709551615 217871606596 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/15921/statm: 1339 237 197 169 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5356

[startup+0.101993 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 15921
/proc/meminfo: memFree=1975872/2055920 swapFree=4179204/4192956
[pid=15921] ppid=15919 vsize=5356 CPUtime=0
/proc/15921/stat : 15921 (SatELiteGTI) S 15919 15921 15695 0 -1 4194304 310 250 0 0 0 0 0 0 18 0 1 0 305309422 5484544 237 1992294400 4194304 4889804 548682068800 18446744073709551615 217871606596 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/15921/statm: 1339 237 197 169 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5356

[startup+0.301037 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 15921
/proc/meminfo: memFree=1975872/2055920 swapFree=4179204/4192956
[pid=15921] ppid=15919 vsize=5356 CPUtime=0
/proc/15921/stat : 15921 (SatELiteGTI) S 15919 15921 15695 0 -1 4194304 310 250 0 0 0 0 0 0 18 0 1 0 305309422 5484544 237 1992294400 4194304 4889804 548682068800 18446744073709551615 217871606596 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/15921/statm: 1339 237 197 169 0 50 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 5356

[startup+0.701103 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 15921
/proc/meminfo: memFree=1975872/2055920 swapFree=4179204/4192956
[pid=15921] ppid=15919 vsize=5356 CPUtime=0.44
/proc/15921/stat : 15921 (SatELiteGTI) S 15919 15921 15695 0 -1 4194304 335 2374 0 0 0 0 43 1 16 0 1 0 305309422 5484544 239 1992294400 4194304 4889804 548682068800 18446744073709551615 217871606596 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/15921/statm: 1339 239 197 169 0 50 0
Current children cumulated CPU time (s) 0.44
Current children cumulated vsize (KiB) 5356

[startup+1.50126 s]
/proc/loadavg: 0.92 0.98 0.99 2/66 15927
/proc/meminfo: memFree=1971824/2055920 swapFree=4179204/4192956
[pid=15921] ppid=15919 vsize=5356 CPUtime=0.44
/proc/15921/stat : 15921 (SatELiteGTI) S 15919 15921 15695 0 -1 4194304 335 2374 0 0 0 0 43 1 16 0 1 0 305309422 5484544 239 1992294400 4194304 4889804 548682068800 18446744073709551615 217871606596 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/15921/statm: 1339 239 197 169 0 50 0
[pid=15927] ppid=15921 vsize=4244 CPUtime=1.04
/proc/15927/stat : 15927 (minisat_static) R 15921 15921 15695 0 -1 4194304 788 0 0 0 104 0 0 0 25 0 1 0 305309467 4345856 774 1992294400 134512640 135212243 4294956240 18446744073709551615 134529346 0 0 4096 3 0 0 0 17 0 0 0
/proc/15927/statm: 1061 774 76 170 0 888 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 9600

[startup+3.93174 s]
/proc/loadavg: 0.92 0.98 0.99 2/66 15927
/proc/meminfo: memFree=1970736/2055920 swapFree=4179204/4192956
[pid=15921] ppid=15919 vsize=5356 CPUtime=0.44
/proc/15921/stat : 15921 (SatELiteGTI) S 15919 15921 15695 0 -1 4194304 335 2374 0 0 0 0 43 1 16 0 1 0 305309422 5484544 239 1992294400 4194304 4889804 548682068800 18446744073709551615 217871606596 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/15921/statm: 1339 239 197 169 0 50 0
[pid=15927] ppid=15921 vsize=6112 CPUtime=3.46
/proc/15927/stat : 15927 (minisat_static) R 15921 15921 15695 0 -1 4194304 1272 0 0 0 346 0 0 0 25 0 1 0 305309467 6258688 1258 1992294400 134512640 135212243 4294956240 18446744073709551615 134526019 0 0 4096 3 0 0 0 17 0 0 0
/proc/15927/statm: 1528 1258 76 170 0 1355 0
Current children cumulated CPU time (s) 3.9
Current children cumulated vsize (KiB) 11468

[startup+6.3012 s]
/proc/loadavg: 1.09 1.02 1.01 2/66 15927
/proc/meminfo: memFree=1967920/2055920 swapFree=4179204/4192956
[pid=15921] ppid=15919 vsize=5356 CPUtime=0.44
/proc/15921/stat : 15921 (SatELiteGTI) S 15919 15921 15695 0 -1 4194304 335 2374 0 0 0 0 43 1 16 0 1 0 305309422 5484544 239 1992294400 4194304 4889804 548682068800 18446744073709551615 217871606596 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/15921/statm: 1339 239 197 169 0 50 0
[pid=15927] ppid=15921 vsize=7596 CPUtime=5.84
/proc/15927/stat : 15927 (minisat_static) R 15921 15921 15695 0 -1 4194304 1625 0 0 0 583 1 0 0 25 0 1 0 305309467 7778304 1611 1992294400 134512640 135212243 4294956240 18446744073709551615 134526248 0 0 4096 3 0 0 0 17 0 0 0
/proc/15927/statm: 1899 1611 76 170 0 1726 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 12952

[startup+12.7014 s]
/proc/loadavg: 1.08 1.02 1.00 2/66 15927
/proc/meminfo: memFree=1965360/2055920 swapFree=4179204/4192956
[pid=15921] ppid=15919 vsize=5356 CPUtime=0.44
/proc/15921/stat : 15921 (SatELiteGTI) S 15919 15921 15695 0 -1 4194304 335 2374 0 0 0 0 43 1 16 0 1 0 305309422 5484544 239 1992294400 4194304 4889804 548682068800 18446744073709551615 217871606596 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/15921/statm: 1339 239 197 169 0 50 0
[pid=15927] ppid=15921 vsize=10320 CPUtime=12.24
/proc/15927/stat : 15927 (minisat_static) R 15921 15921 15695 0 -1 4194304 2313 0 0 0 1222 2 0 0 25 0 1 0 305309467 10567680 2299 1992294400 134512640 135212243 4294956240 18446744073709551615 134526032 0 0 4096 3 0 0 0 17 0 0 0
/proc/15927/statm: 2580 2299 76 170 0 2407 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 15676

[startup+25.502 s]
/proc/loadavg: 1.06 1.01 1.00 2/66 15927
/proc/meminfo: memFree=1962800/2055920 swapFree=4179204/4192956
[pid=15921] ppid=15919 vsize=5356 CPUtime=0.44
/proc/15921/stat : 15921 (SatELiteGTI) S 15919 15921 15695 0 -1 4194304 335 2374 0 0 0 0 43 1 16 0 1 0 305309422 5484544 239 1992294400 4194304 4889804 548682068800 18446744073709551615 217871606596 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/15921/statm: 1339 239 197 169 0 50 0
[pid=15927] ppid=15921 vsize=12704 CPUtime=25.02
/proc/15927/stat : 15927 (minisat_static) R 15921 15921 15695 0 -1 4194304 2893 0 0 0 2499 3 0 0 25 0 1 0 305309467 13008896 2879 1992294400 134512640 135212243 4294956240 18446744073709551615 134526143 0 0 4096 3 0 0 0 17 0 0 0
/proc/15927/statm: 3176 2879 76 170 0 3003 0
Current children cumulated CPU time (s) 25.46
Current children cumulated vsize (KiB) 18060

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

[startup+25.602 s]
/proc/loadavg: 1.06 1.01 1.00 2/66 15927
/proc/meminfo: memFree=1962800/2055920 swapFree=4179204/4192956
[pid=15921] ppid=15919 vsize=5356 CPUtime=0.44
/proc/15921/stat : 15921 (SatELiteGTI) S 15919 15921 15695 0 -1 4194304 335 2374 0 0 0 0 43 1 16 0 1 0 305309422 5484544 239 1992294400 4194304 4889804 548682068800 18446744073709551615 217871606596 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/15921/statm: 1339 239 197 169 0 50 0
[pid=15927] ppid=15921 vsize=12704 CPUtime=25.12
/proc/15927/stat : 15927 (minisat_static) R 15921 15921 15695 0 -1 4194304 2893 0 0 0 2509 3 0 0 25 0 1 0 305309467 13008896 2879 1992294400 134512640 135212243 4294956240 18446744073709551615 134526236 0 0 4096 3 0 0 0 17 0 0 0
/proc/15927/statm: 3176 2879 76 170 0 3003 0
Current children cumulated CPU time (s) 25.56
Current children cumulated vsize (KiB) 18060

[startup+26.0011 s]
/proc/loadavg: 1.06 1.01 1.00 2/66 15927
/proc/meminfo: memFree=1962800/2055920 swapFree=4179204/4192956
[pid=15921] ppid=15919 vsize=5356 CPUtime=0.44
/proc/15921/stat : 15921 (SatELiteGTI) S 15919 15921 15695 0 -1 4194304 335 2374 0 0 0 0 43 1 16 0 1 0 305309422 5484544 239 1992294400 4194304 4889804 548682068800 18446744073709551615 217871606596 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/15921/statm: 1339 239 197 169 0 50 0
[pid=15927] ppid=15921 vsize=12704 CPUtime=25.52
/proc/15927/stat : 15927 (minisat_static) R 15921 15921 15695 0 -1 4194304 2893 0 0 0 2549 3 0 0 25 0 1 0 305309467 13008896 2879 1992294400 134512640 135212243 4294956240 18446744073709551615 134526459 0 0 4096 3 0 0 0 17 0 0 0
/proc/15927/statm: 3176 2879 76 170 0 3003 0
Current children cumulated CPU time (s) 25.96
Current children cumulated vsize (KiB) 18060

Child status: 20
Real time (s): 26.0315
CPU time (s): 26.012
CPU user time (s): 25.9541
CPU system time (s): 0.057991
CPU usage (%): 99.9252
Max. virtual memory (cumulated for all children) (KiB): 18060

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 25.9541
system time used= 0.057991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5769
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= 19
involuntary context switches= 85

runsolver used 0.072988 second user time and 0.135979 second system time

The end

Launcher Data 

Begin job on node28 at 2009-05-20 00:39:21
IDJOB=1832394
IDBENCH=69566
IDSOLVER=672
FILE ID=node28/1832394-1242772761
PBS_JOBID= 9322270
Free space on /tmp= 66320 MiB

SOLVER NAME= MiniSAT 09z 2009-03-22
BENCH NAME= SAT_RACE08/cnf/schup-l2s-abp4-1-k31.cnf
COMMAND LINE= SatELiteGTI BENCHNAME -random-seed=RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1832394-1242772761/watcher-1832394-1242772761 -o /tmp/evaluation-result-1832394-1242772761/solver-1832394-1242772761 -C 1200 -W 1800 -M 1800  SatELiteGTI HOME/instance-1832394-1242772761.cnf -random-seed=471978712

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

MD5SUM BENCH= 2ec4066bd8381455b1990aa40b382ff0
RANDOM SEED=471978712

node28.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		: 3000.261
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		: 3000.261
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:       1976352 kB
Buffers:         13412 kB
Cached:          29684 kB
SwapCached:       7292 kB
Active:          26284 kB
Inactive:        25816 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1976352 kB
SwapTotal:     4192956 kB
SwapFree:      4179204 kB
Dirty:            2368 kB
Writeback:           0 kB
Mapped:          14176 kB
Slab:            13288 kB
Committed_AS:  1055368 kB
PageTables:       1424 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= 66320 MiB
End job on node28 at 2009-05-20 00:39:47