Trace number 1562445

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 2.1 (Sat-race'08 Edition)SAT 105.055 105.083

General information on the benchmark

NameCRAFTED/edgematching/
fbcolors/em_7_4_9_fbc.cnf
MD5SUM4259362ee72589b1a94d1f5c9f846a0b
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark9.38957
Satisfiable
(Un)Satisfiability was proved
Number of variables1677
Number of clauses28863
Sum of the clauses size75955
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 217356
Number of clauses of size 38650
Number of clauses of size 4832
Number of clauses of size 51875
Number of clauses of size over 5150

Solver Data 

0.00/0.00	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.02	c |  Number of variables:          1677                                         |
0.00/0.02	c |  Number of clauses:           28863                                         |
0.00/0.02	c |  Parse time:                   0.02 s                                       |
0.03/0.07	c |  Simplification time:          0.05 s                                       |
0.03/0.07	c |                                                                             |
0.03/0.07	c ============================[ Search Statistics ]==============================
0.03/0.07	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.03/0.07	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.03/0.07	c ===============================================================================
0.03/0.07	c |       100 |    1673    28463    74767 |    10436      100     28 |  0.000 % |
0.03/0.08	c |       250 |    1655    28463    74767 |    11480      246     34 |  1.073 % |
0.03/0.09	c |       475 |    1647    28463    74767 |    12628      469     43 |  1.550 % |
0.09/0.10	c |       812 |    1642    28370    74581 |    13890      804     44 |  1.849 % |
0.09/0.13	c |      1318 |    1642    28370    74581 |    15279     1310     47 |  1.849 % |
0.09/0.16	c |      2077 |    1637    28355    74551 |    16807     2066     47 |  2.147 % |
0.19/0.22	c |      3216 |    1637    28355    74551 |    18488     3205     46 |  2.147 % |
0.29/0.31	c |      4924 |    1637    28355    74551 |    20337     4913     45 |  2.147 % |
0.49/0.50	c |      7486 |    1637    28355    74551 |    22371     7475     49 |  2.147 % |
0.79/0.84	c |     11330 |    1637    28355    74551 |    24608    11319     50 |  2.147 % |
1.59/1.64	c |     17096 |    1636    28321    74471 |    27069    17084     54 |  2.206 % |
3.59/3.60	c |     25745 |    1635    28287    74391 |    29776    25732     57 |  2.266 % |
6.69/6.77	c |     38719 |    1635    28287    74391 |    32753    23637     56 |  2.266 % |
11.69/11.74	c |     58180 |    1634    28284    74385 |    36029    26567     56 |  2.327 % |
20.18/20.24	c |     87372 |    1634    28284    74385 |    39632    19482     49 |  2.326 % |
36.78/36.85	c |    131161 |    1634    28284    74385 |    43595    23521     53 |  2.326 % |
63.68/63.78	c |    196845 |    1633    28281    74379 |    47955    22896     50 |  2.385 % |
104.07/104.11	c |    295371 |    1633    28281    74379 |    52750    41659     62 |  2.385 % |
104.97/105.07	c ===============================================================================
104.97/105.07	c restarts              : 712
104.97/105.07	c conflicts             : 296757         (2827 /sec)
104.97/105.07	c decisions             : 591974         (5639 /sec)
104.97/105.07	c propagations          : 54167578       (515999 /sec)
104.97/105.07	c conflict literals     : 21654564       (33.20 % deleted)
104.97/105.07	c Memory used           : 33.32 MB
104.97/105.07	c CPU time              : 104.976 s
104.97/105.07	c 
104.97/105.07	s SATISFIABLE
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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-1562445-1238775042/watcher-1562445-1238775042 -o /tmp/evaluation-result-1562445-1238775042/solver-1562445-1238775042 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/minisat HOME/instance-1562445-1238775042.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: 1.02 1.04 1.01 3/81 12312
/proc/meminfo: memFree=1754400/2055920 swapFree=4172268/4192956
[pid=12312] ppid=12310 vsize=7768 CPUtime=0
/proc/12312/stat : 12312 (minisat) R 12310 12312 12033 0 -1 4194304 354 0 0 0 0 0 0 0 20 0 1 0 1150168089 7954432 338 1992294400 4194304 5092341 548682068832 18446744073709551615 4494759 0 0 4096 3 0 0 0 17 1 0 0
/proc/12312/statm: 1942 339 63 219 0 1720 0

[startup+0.0365419 s]
/proc/loadavg: 1.02 1.04 1.01 3/81 12312
/proc/meminfo: memFree=1754400/2055920 swapFree=4172268/4192956
[pid=12312] ppid=12310 vsize=8968 CPUtime=0.03
/proc/12312/stat : 12312 (minisat) R 12310 12312 12033 0 -1 4194304 783 0 0 0 3 0 0 0 20 0 1 0 1150168089 9183232 767 1992294400 4194304 5092341 548682068832 18446744073709551615 4220396 0 0 4096 3 0 0 0 17 1 0 0
/proc/12312/statm: 2242 767 88 219 0 2020 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 8968

[startup+0.101549 s]
/proc/loadavg: 1.02 1.04 1.01 3/81 12312
/proc/meminfo: memFree=1754400/2055920 swapFree=4172268/4192956
[pid=12312] ppid=12310 vsize=8804 CPUtime=0.09
/proc/12312/stat : 12312 (minisat) R 12310 12312 12033 0 -1 4194304 928 0 0 0 9 0 0 0 20 0 1 0 1150168089 9015296 740 1992294400 4194304 5092341 548682068832 18446744073709551615 4240672 0 0 4096 3 0 0 0 17 1 0 0
/proc/12312/statm: 2201 740 100 219 0 1979 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8804

[startup+0.301571 s]
/proc/loadavg: 1.02 1.04 1.01 3/81 12312
/proc/meminfo: memFree=1754400/2055920 swapFree=4172268/4192956
[pid=12312] ppid=12310 vsize=8804 CPUtime=0.29
/proc/12312/stat : 12312 (minisat) R 12310 12312 12033 0 -1 4194304 1119 0 0 0 29 0 0 0 22 0 1 0 1150168089 9015296 931 1992294400 4194304 5092341 548682068832 18446744073709551615 4249605 0 0 4096 3 0 0 0 17 1 0 0
/proc/12312/statm: 2201 931 103 219 0 1979 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8804

[startup+0.701615 s]
/proc/loadavg: 1.02 1.04 1.01 3/81 12312
/proc/meminfo: memFree=1754400/2055920 swapFree=4172268/4192956
[pid=12312] ppid=12310 vsize=9200 CPUtime=0.69
/proc/12312/stat : 12312 (minisat) R 12310 12312 12033 0 -1 4194304 1469 0 0 0 69 0 0 0 25 0 1 0 1150168089 9420800 1281 1992294400 4194304 5092341 548682068832 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/12312/statm: 2300 1281 103 219 0 2078 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9200

[startup+1.50171 s]
/proc/loadavg: 1.02 1.04 1.01 2/82 12313
/proc/meminfo: memFree=1748696/2055920 swapFree=4172268/4192956
[pid=12312] ppid=12310 vsize=9628 CPUtime=1.49
/proc/12312/stat : 12312 (minisat) R 12310 12312 12033 0 -1 4194304 1980 0 0 0 149 0 0 0 25 0 1 0 1150168089 9859072 1792 1992294400 4194304 5092341 548682068832 18446744073709551615 4241380 0 0 4096 3 0 0 0 17 1 0 0
/proc/12312/statm: 2407 1793 103 219 0 2185 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9628

[startup+3.10189 s]
/proc/loadavg: 1.02 1.04 1.01 2/82 12313
/proc/meminfo: memFree=1746200/2055920 swapFree=4172268/4192956
[pid=12312] ppid=12310 vsize=13156 CPUtime=3.09
/proc/12312/stat : 12312 (minisat) R 12310 12312 12033 0 -1 4194304 2700 0 0 0 308 1 0 0 25 0 1 0 1150168089 13471744 2512 1992294400 4194304 5092341 548682068832 18446744073709551615 4240654 0 0 4096 3 0 0 0 17 1 0 0
/proc/12312/statm: 3289 2512 103 219 0 3067 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 13156

[startup+6.30125 s]
/proc/loadavg: 1.02 1.04 1.01 2/82 12313
/proc/meminfo: memFree=1745624/2055920 swapFree=4172268/4192956
[pid=12312] ppid=12310 vsize=19192 CPUtime=6.29
/proc/12312/stat : 12312 (minisat) R 12310 12312 12033 0 -1 4194304 5891 0 0 0 626 3 0 0 25 0 1 0 1150168089 19652608 3824 1992294400 4194304 5092341 548682068832 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/12312/statm: 4798 3824 103 219 0 4576 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 19192

[startup+12.702 s]
/proc/loadavg: 1.01 1.03 1.01 2/82 12313
/proc/meminfo: memFree=1736152/2055920 swapFree=4172268/4192956
[pid=12312] ppid=12310 vsize=19192 CPUtime=12.69
/proc/12312/stat : 12312 (minisat) R 12310 12312 12033 0 -1 4194304 8609 0 0 0 1265 4 0 0 25 0 1 0 1150168089 19652608 4471 1992294400 4194304 5092341 548682068832 18446744073709551615 4241075 0 0 4096 3 0 0 0 17 1 0 0
/proc/12312/statm: 4798 4471 103 219 0 4576 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 19192

[startup+25.5014 s]
/proc/loadavg: 1.08 1.05 1.01 2/82 12313
/proc/meminfo: memFree=1727064/2055920 swapFree=4172268/4192956
[pid=12312] ppid=12310 vsize=30868 CPUtime=25.49
/proc/12312/stat : 12312 (minisat) R 12310 12312 12033 0 -1 4194304 10964 0 0 0 2543 6 0 0 25 0 1 0 1150168089 31608832 6826 1992294400 4194304 5092341 548682068832 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/12312/statm: 7717 6826 103 219 0 7495 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 30868

[startup+51.1013 s]
/proc/loadavg: 1.13 1.06 1.01 2/82 12313
/proc/meminfo: memFree=1721304/2055920 swapFree=4172268/4192956
[pid=12312] ppid=12310 vsize=34112 CPUtime=51.07
/proc/12312/stat : 12312 (minisat) R 12310 12312 12033 0 -1 4194304 12348 0 0 0 5101 6 0 0 25 0 1 0 1150168089 34930688 8210 1992294400 4194304 5092341 548682068832 18446744073709551615 4240957 0 0 4096 3 0 0 0 17 1 0 0
/proc/12312/statm: 8528 8210 103 219 0 8306 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 34112

[startup+102.306 s]
/proc/loadavg: 1.10 1.06 1.01 2/82 12313
/proc/meminfo: memFree=1721240/2055920 swapFree=4172268/4192956
[pid=12312] ppid=12310 vsize=34112 CPUtime=102.27
/proc/12312/stat : 12312 (minisat) R 12310 12312 12033 0 -1 4194304 12364 0 0 0 10220 7 0 0 25 0 1 0 1150168089 34930688 8226 1992294400 4194304 5092341 548682068832 18446744073709551615 4241447 0 0 4096 3 0 0 0 17 1 0 0
/proc/12312/statm: 8528 8226 103 219 0 8306 0
Current children cumulated CPU time (s) 102.27
Current children cumulated vsize (KiB) 34112

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

[startup+103.901 s]
/proc/loadavg: 1.10 1.06 1.01 2/82 12313
/proc/meminfo: memFree=1721240/2055920 swapFree=4172268/4192956
[pid=12312] ppid=12310 vsize=34112 CPUtime=103.87
/proc/12312/stat : 12312 (minisat) R 12310 12312 12033 0 -1 4194304 12364 0 0 0 10380 7 0 0 25 0 1 0 1150168089 34930688 8226 1992294400 4194304 5092341 548682068832 18446744073709551615 4241101 0 0 4096 3 0 0 0 17 1 0 0
/proc/12312/statm: 8528 8226 103 219 0 8306 0
Current children cumulated CPU time (s) 103.87
Current children cumulated vsize (KiB) 34112

[startup+104.701 s]
/proc/loadavg: 1.10 1.06 1.01 2/82 12313
/proc/meminfo: memFree=1721240/2055920 swapFree=4172268/4192956
[pid=12312] ppid=12310 vsize=34112 CPUtime=104.67
/proc/12312/stat : 12312 (minisat) R 12310 12312 12033 0 -1 4194304 12364 0 0 0 10460 7 0 0 25 0 1 0 1150168089 34930688 8226 1992294400 4194304 5092341 548682068832 18446744073709551615 4248186 0 0 4096 3 0 0 0 17 1 0 0
/proc/12312/statm: 8528 8226 103 219 0 8306 0
Current children cumulated CPU time (s) 104.67
Current children cumulated vsize (KiB) 34112

[startup+104.901 s]
/proc/loadavg: 1.10 1.06 1.01 2/82 12313
/proc/meminfo: memFree=1721240/2055920 swapFree=4172268/4192956
[pid=12312] ppid=12310 vsize=34112 CPUtime=104.87
/proc/12312/stat : 12312 (minisat) R 12310 12312 12033 0 -1 4194304 12364 0 0 0 10480 7 0 0 25 0 1 0 1150168089 34930688 8226 1992294400 4194304 5092341 548682068832 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/12312/statm: 8528 8226 103 219 0 8306 0
Current children cumulated CPU time (s) 104.87
Current children cumulated vsize (KiB) 34112

[startup+105.001 s]
/proc/loadavg: 1.10 1.06 1.01 2/82 12313
/proc/meminfo: memFree=1721240/2055920 swapFree=4172268/4192956
[pid=12312] ppid=12310 vsize=34112 CPUtime=104.97
/proc/12312/stat : 12312 (minisat) R 12310 12312 12033 0 -1 4194304 12364 0 0 0 10490 7 0 0 25 0 1 0 1150168089 34930688 8226 1992294400 4194304 5092341 548682068832 18446744073709551615 4241418 0 0 4096 3 0 0 0 17 1 0 0
/proc/12312/statm: 8528 8226 103 219 0 8306 0
Current children cumulated CPU time (s) 104.97
Current children cumulated vsize (KiB) 34112

Child status: 10
Real time (s): 105.083
CPU time (s): 105.055
CPU user time (s): 104.977
CPU system time (s): 0.077988
CPU usage (%): 99.9737
Max. virtual memory (cumulated for all children) (KiB): 34112

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 104.977
system time used= 0.077988
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 12374
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= 113

runsolver used 0.143978 second user time and 0.341948 second system time

The end

Launcher Data 

Begin job on node85 at 2009-04-03 18:10:42
IDJOB=1562445
IDBENCH=70934
IDSOLVER=546
FILE ID=node85/1562445-1238775042
PBS_JOBID= 9085548
Free space on /tmp= 126872 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT09/APPLICATIONS/edgematching/fbcolors/em_7_4_9_fbc.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1562445-1238775042/watcher-1562445-1238775042 -o /tmp/evaluation-result-1562445-1238775042/solver-1562445-1238775042 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/minisat HOME/instance-1562445-1238775042.cnf

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

MD5SUM BENCH= 4259362ee72589b1a94d1f5c9f846a0b
RANDOM SEED=212771861

node85.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		: 3000.236
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		: 3000.236
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1754816 kB
Buffers:         39120 kB
Cached:         193116 kB
SwapCached:       9912 kB
Active:         102436 kB
Inactive:       141208 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1754816 kB
SwapTotal:     4192956 kB
SwapFree:      4172268 kB
Dirty:            1372 kB
Writeback:           0 kB
Mapped:          16996 kB
Slab:            41760 kB
Committed_AS:  2746472 kB
PageTables:       2596 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= 126872 MiB
End job on node85 at 2009-04-03 18:12:27