Trace number 1725682

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
IUT_BMB_SAT 1.0SAT 4.56531 4.56792

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
MD5SUM74af041eb51b172e799baf4bb7eaa52f
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.38479
Satisfiable
(Un)Satisfiability was proved
Number of variables2737
Number of clauses18375
Sum of the clauses size129048
Maximum clause length13
Minimum clause length1
Number of clauses of size 149
Number of clauses of size 2491
Number of clauses of size 32419
Number of clauses of size 4526
Number of clauses of size 5691
Number of clauses of size over 514199

Solver Data 

0.00/0.00	c IUT_BMB_SAT version 1.0
0.19/0.22	c WARNING: for repeatability, setting FPU to use double precision
0.19/0.22	c ============================[ Problem Statistics ]=============================
0.19/0.22	c |                                                                             |
0.19/0.22	c |  Number of variables:  2737                                                 |
0.19/0.22	c |  Number of clauses:    17813                                                |
0.19/0.27	c |  Parsing time:         0.04         s                                       |
0.21/0.39	c ============================[ Search Statistics ]==============================
0.21/0.39	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.21/0.39	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.21/0.39	c ===============================================================================
0.21/0.39	c |         0 |    2129    12074    77671 |     4024        0    nan |  0.000 % |
0.21/0.40	c |       101 |    2129    12074    77671 |     4427      101     12 |  0.037 % |
0.21/0.40	c |       251 |    2129    12074    77671 |     4869      251     13 |  0.037 % |
0.21/0.40	c |       476 |    2129    12074    77671 |     5356      476     13 |  0.037 % |
0.21/0.42	c |       813 |    2129    12074    77671 |     5892      813     16 |  0.037 % |
0.21/0.43	c |      1319 |    2129    12074    77671 |     6481     1319     15 |  0.037 % |
0.21/0.45	c |      2078 |    2129    12074    77671 |     7129     2078     16 |  0.037 % |
0.21/0.50	c |      3217 |    2129    12074    77671 |     7842     3217     19 |  0.037 % |
0.21/0.56	c |      4925 |    2129    12074    77671 |     8627     4925     17 |  0.037 % |
0.21/0.71	c |      7489 |    2129    12074    77671 |     9489     7489     19 |  0.037 % |
0.21/0.97	c |     11333 |    2129    12074    77671 |    10438     6512     20 |  0.037 % |
1.47/1.52	c |     17100 |    2129    12074    77671 |    11482     6985     23 |  0.037 % |
2.27/2.35	c |     25749 |    2129    12074    77671 |    12631     9832     25 |  0.037 % |
3.87/3.90	c |     38723 |    2129    12074    77671 |    13894    10043     24 |  0.037 % |
4.47/4.55	c ===============================================================================
4.47/4.55	c restarts              : 14
4.47/4.55	c conflicts             : 43854          (10160 /sec)
4.47/4.55	c decisions             : 90376          (1.91 % random) (20938 /sec)
4.47/4.55	c propagations          : 2580854        (597926 /sec)
4.47/4.55	c conflict literals     : 1105956        (31.02 % deleted)
4.47/4.55	c Memory used           : 5.23 MB
4.47/4.55	c CPU time              : 4.31634 s
4.47/4.55	
4.47/4.55	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-1725682-1240706154/watcher-1725682-1240706154 -o /tmp/evaluation-result-1725682-1240706154/solver-1725682-1240706154 -C 1200 -W 1800 -M 1800 --output-limit 1,15 IUT_BMB_SAT HOME/instance-1725682-1240706154.cnf HOME 

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: 0.93 0.98 0.99 3/64 19212
/proc/meminfo: memFree=1497816/2055920 swapFree=4192956/4192956
[pid=19212] ppid=19210 vsize=1640 CPUtime=0
/proc/19212/stat : 19212 (IUT_BMB_SAT) R 19210 19212 19148 0 -1 4194304 211 0 0 0 0 0 0 0 18 0 1 0 98649313 1679360 194 1992294400 134512640 135635285 4294956224 18446744073709551615 134533644 0 0 4096 0 0 0 0 17 0 0 0
/proc/19212/statm: 410 195 92 274 0 133 0

[startup+0.0643971 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 19212
/proc/meminfo: memFree=1497816/2055920 swapFree=4192956/4192956
[pid=19212] ppid=19210 vsize=2856 CPUtime=0.06
/proc/19212/stat : 19212 (IUT_BMB_SAT) R 19210 19212 19148 0 -1 4194304 541 0 0 0 6 0 0 0 18 0 1 0 98649313 2924544 524 1992294400 134512640 135635285 4294956224 18446744073709551615 135072790 0 0 4096 0 0 0 0 17 0 0 0
/proc/19212/statm: 714 525 99 274 0 437 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 2856

[startup+0.101401 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 19212
/proc/meminfo: memFree=1497816/2055920 swapFree=4192956/4192956
[pid=19212] ppid=19210 vsize=3648 CPUtime=0.09
/proc/19212/stat : 19212 (IUT_BMB_SAT) R 19210 19212 19148 0 -1 4194304 729 0 0 0 9 0 0 0 18 0 1 0 98649313 3735552 712 1992294400 134512640 135635285 4294956224 18446744073709551615 135072790 0 0 4096 0 0 0 0 17 0 0 0
/proc/19212/statm: 912 712 99 274 0 635 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3648

[startup+0.301425 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 19212
/proc/meminfo: memFree=1497816/2055920 swapFree=4192956/4192956
[pid=19212] ppid=19210 vsize=3648 CPUtime=0.21
/proc/19212/stat : 19212 (IUT_BMB_SAT) S 19210 19212 19148 0 -1 4194304 756 0 0 0 15 6 0 0 19 0 1 0 98649313 3735552 738 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 0 0 0
/proc/19212/statm: 912 738 106 274 0 635 0
Current children cumulated CPU time (s) 0.21
Current children cumulated vsize (KiB) 3648

[startup+0.701467 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 19212
/proc/meminfo: memFree=1497816/2055920 swapFree=4192956/4192956
[pid=19212] ppid=19210 vsize=3648 CPUtime=0.21
/proc/19212/stat : 19212 (IUT_BMB_SAT) S 19210 19212 19148 0 -1 4194304 756 0 0 0 15 6 0 0 19 0 1 0 98649313 3735552 738 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 0 0 0
/proc/19212/statm: 912 738 106 274 0 635 0
Current children cumulated CPU time (s) 0.21
Current children cumulated vsize (KiB) 3648

[startup+1.50256 s]
/proc/loadavg: 0.93 0.98 0.99 2/67 19215
/proc/meminfo: memFree=1490880/2055920 swapFree=4192956/4192956
[pid=19212] ppid=19210 vsize=3648 CPUtime=0.21
/proc/19212/stat : 19212 (IUT_BMB_SAT) S 19210 19212 19148 0 -1 4194304 756 0 0 0 15 6 0 0 19 0 1 0 98649313 3735552 738 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 0 0 0
/proc/19212/statm: 912 738 106 274 0 635 0
[pid=19214] ppid=19212 vsize=5356 CPUtime=0
/proc/19214/stat : 19214 (sh) S 19212 19212 19148 0 -1 4194304 270 0 0 0 0 0 0 0 18 0 1 0 98649336 5484544 232 1992294400 4194304 4889804 548682068912 18446744073709551615 226913477444 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/19214/statm: 1339 232 193 169 0 50 0
[pid=19215] ppid=19214 vsize=4556 CPUtime=1.26
/proc/19215/stat : 19215 (minisat) R 19214 19212 19148 0 -1 4194304 980 0 0 0 126 0 0 0 25 0 1 0 98649336 4665344 917 1992294400 134512640 135243223 4294956320 18446744073709551615 134555744 0 0 4096 3 0 0 0 17 0 0 0
/proc/19215/statm: 1139 917 84 178 0 959 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 13560

[startup+3.10174 s]
/proc/loadavg: 0.93 0.98 0.99 2/67 19215
/proc/meminfo: memFree=1490432/2055920 swapFree=4192956/4192956
[pid=19212] ppid=19210 vsize=3648 CPUtime=0.21
/proc/19212/stat : 19212 (IUT_BMB_SAT) S 19210 19212 19148 0 -1 4194304 756 0 0 0 15 6 0 0 19 0 1 0 98649313 3735552 738 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 0 0 0
/proc/19212/statm: 912 738 106 274 0 635 0
[pid=19214] ppid=19212 vsize=5356 CPUtime=0
/proc/19214/stat : 19214 (sh) S 19212 19212 19148 0 -1 4194304 270 0 0 0 0 0 0 0 18 0 1 0 98649336 5484544 232 1992294400 4194304 4889804 548682068912 18446744073709551615 226913477444 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/19214/statm: 1339 232 193 169 0 50 0
[pid=19215] ppid=19214 vsize=5084 CPUtime=2.86
/proc/19215/stat : 19215 (minisat) R 19214 19212 19148 0 -1 4194304 1105 0 0 0 286 0 0 0 25 0 1 0 98649336 5206016 1042 1992294400 134512640 135243223 4294956320 18446744073709551615 134567693 0 0 4096 3 0 0 0 17 0 0 0
/proc/19215/statm: 1271 1042 84 178 0 1091 0
Current children cumulated CPU time (s) 3.07
Current children cumulated vsize (KiB) 14088

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

[startup+3.90182 s]
/proc/loadavg: 0.93 0.98 0.99 2/67 19215
/proc/meminfo: memFree=1490176/2055920 swapFree=4192956/4192956
[pid=19212] ppid=19210 vsize=3648 CPUtime=0.21
/proc/19212/stat : 19212 (IUT_BMB_SAT) S 19210 19212 19148 0 -1 4194304 756 0 0 0 15 6 0 0 19 0 1 0 98649313 3735552 738 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 0 0 0
/proc/19212/statm: 912 738 106 274 0 635 0
[pid=19214] ppid=19212 vsize=5356 CPUtime=0
/proc/19214/stat : 19214 (sh) S 19212 19212 19148 0 -1 4194304 270 0 0 0 0 0 0 0 18 0 1 0 98649336 5484544 232 1992294400 4194304 4889804 548682068912 18446744073709551615 226913477444 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/19214/statm: 1339 232 193 169 0 50 0
[pid=19215] ppid=19214 vsize=5084 CPUtime=3.66
/proc/19215/stat : 19215 (minisat) R 19214 19212 19148 0 -1 4194304 1116 0 0 0 366 0 0 0 25 0 1 0 98649336 5206016 1053 1992294400 134512640 135243223 4294956320 18446744073709551615 134555744 0 0 4096 3 0 0 0 17 0 0 0
/proc/19215/statm: 1271 1053 84 178 0 1091 0
Current children cumulated CPU time (s) 3.87
Current children cumulated vsize (KiB) 14088

[startup+4.30187 s]
/proc/loadavg: 0.93 0.98 0.99 2/67 19215
/proc/meminfo: memFree=1490048/2055920 swapFree=4192956/4192956
[pid=19212] ppid=19210 vsize=3648 CPUtime=0.21
/proc/19212/stat : 19212 (IUT_BMB_SAT) S 19210 19212 19148 0 -1 4194304 756 0 0 0 15 6 0 0 19 0 1 0 98649313 3735552 738 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 0 0 0
/proc/19212/statm: 912 738 106 274 0 635 0
[pid=19214] ppid=19212 vsize=5356 CPUtime=0
/proc/19214/stat : 19214 (sh) S 19212 19212 19148 0 -1 4194304 270 0 0 0 0 0 0 0 18 0 1 0 98649336 5484544 232 1992294400 4194304 4889804 548682068912 18446744073709551615 226913477444 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/19214/statm: 1339 232 193 169 0 50 0
[pid=19215] ppid=19214 vsize=5216 CPUtime=4.06
/proc/19215/stat : 19215 (minisat) R 19214 19212 19148 0 -1 4194304 1157 0 0 0 406 0 0 0 25 0 1 0 98649336 5341184 1094 1992294400 134512640 135243223 4294956320 18446744073709551615 134555744 0 0 4096 3 0 0 0 17 0 0 0
/proc/19215/statm: 1304 1094 84 178 0 1124 0
Current children cumulated CPU time (s) 4.27
Current children cumulated vsize (KiB) 14220

[startup+4.50189 s]
/proc/loadavg: 0.93 0.98 0.99 2/67 19215
/proc/meminfo: memFree=1490048/2055920 swapFree=4192956/4192956
[pid=19212] ppid=19210 vsize=3648 CPUtime=0.21
/proc/19212/stat : 19212 (IUT_BMB_SAT) S 19210 19212 19148 0 -1 4194304 756 0 0 0 15 6 0 0 19 0 1 0 98649313 3735552 738 1992294400 134512640 135635285 4294956224 18446744073709551615 135129070 0 65536 4102 0 18446744071563356171 0 0 17 0 0 0
/proc/19212/statm: 912 738 106 274 0 635 0
[pid=19214] ppid=19212 vsize=5356 CPUtime=0
/proc/19214/stat : 19214 (sh) S 19212 19212 19148 0 -1 4194304 270 0 0 0 0 0 0 0 18 0 1 0 98649336 5484544 232 1992294400 4194304 4889804 548682068912 18446744073709551615 226913477444 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/19214/statm: 1339 232 193 169 0 50 0
[pid=19215] ppid=19214 vsize=5348 CPUtime=4.26
/proc/19215/stat : 19215 (minisat) R 19214 19212 19148 0 -1 4194304 1179 0 0 0 426 0 0 0 25 0 1 0 98649336 5476352 1116 1992294400 134512640 135243223 4294956320 18446744073709551615 134565643 0 0 4096 3 0 0 0 17 0 0 0
/proc/19215/statm: 1337 1116 84 178 0 1157 0
Current children cumulated CPU time (s) 4.47
Current children cumulated vsize (KiB) 14352

Child status: 0
Real time (s): 4.56792
CPU time (s): 4.56531
CPU user time (s): 4.48032
CPU system time (s): 0.084987
CPU usage (%): 99.9427
Max. virtual memory (cumulated for all children) (KiB): 14352

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.48032
system time used= 0.084987
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2710
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= 8
involuntary context switches= 15

runsolver used 0.009998 second user time and 0.015997 second system time

The end

Launcher Data 

Begin job on node5 at 2009-04-26 02:35:54
IDJOB=1725682
IDBENCH=24595
IDSOLVER=523
FILE ID=node5/1725682-1240706154
PBS_JOBID= 9186823
Free space on /tmp= 66340 MiB

SOLVER NAME= IUT_BMB_SAT 1.0
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
COMMAND LINE= IUT_BMB_SAT BENCHNAME TMPDIR
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725682-1240706154/watcher-1725682-1240706154 -o /tmp/evaluation-result-1725682-1240706154/solver-1725682-1240706154 -C 1200 -W 1800 -M 1800 --output-limit 1,15  IUT_BMB_SAT HOME/instance-1725682-1240706154.cnf HOME

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

MD5SUM BENCH= 74af041eb51b172e799baf4bb7eaa52f
RANDOM SEED=1417906173

node5.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		: 3000.212
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		: 3000.212
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:       1498360 kB
Buffers:         65124 kB
Cached:         408564 kB
SwapCached:          0 kB
Active:         127032 kB
Inactive:       360476 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1498360 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            3120 kB
Writeback:           0 kB
Mapped:          23612 kB
Slab:            56136 kB
Committed_AS:   347520 kB
PageTables:       1388 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= 66340 MiB
End job on node5 at 2009-04-26 02:35:58