Trace number 1717491

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)UNSAT 20.2659 20.2711

General information on the benchmark

Nameindustrial/palacios/uts/
uts-l05-ipc5-h26-unsat.cnf
MD5SUM4b97e69214a2eddbe060a9ecc3dfbbd8
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark10.1445
Satisfiable
(Un)Satisfiability was proved
Number of variables85694
Number of clauses414657
Sum of the clauses size1073659
Maximum clause length403
Minimum clause length1
Number of clauses of size 1190
Number of clauses of size 2330211
Number of clauses of size 380574
Number of clauses of size 4910
Number of clauses of size 5103
Number of clauses of size over 52669

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 |                                                                             |
0.39/0.40	c |  Number of variables:         87475                                         |
0.39/0.40	c |  Number of clauses:          414447                                         |
0.39/0.40	c |  Parse time:                   0.36 s                                       |
6.19/6.22	c |  Simplification time:          5.79 s                                       |
6.19/6.22	c |                                                                             |
6.19/6.22	c ============================[ Search Statistics ]==============================
6.19/6.22	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
6.19/6.22	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
6.19/6.22	c ===============================================================================
6.19/6.25	c |       100 |   23292   290250  1067868 |   106425      100     18 |  0.032 % |
6.28/6.35	c |       250 |   23292   290250  1067868 |   117067      250     22 |  0.032 % |
6.38/6.43	c |       475 |   23263   290250  1067868 |   128774      474     19 |  0.065 % |
6.68/6.70	c |       812 |   23263   289977  1066813 |   141651      809     18 |  0.065 % |
6.98/7.06	c |      1318 |   23263   289977  1066813 |   155816     1315     23 |  0.065 % |
7.48/7.56	c |      2077 |   23246   289798  1066213 |   171398     2072     26 |  0.085 % |
8.09/8.18	c |      3216 |   23246   289798  1066213 |   188538     3211     26 |  0.085 % |
8.99/9.05	c |      4924 |   23246   289798  1066213 |   207392     4919     30 |  0.085 % |
10.79/10.88	c |      7486 |   23246   289798  1066213 |   228131     7481     27 |  0.085 % |
13.09/13.14	c |     11330 |   23246   289798  1066213 |   250944    11325     25 |  0.085 % |
15.48/15.52	c |     17096 |   23230   289707  1065857 |   276039    17086     22 |  0.103 % |
18.38/18.40	c |     25745 |   23230   289707  1065857 |   303642    25735     19 |  0.103 % |
20.18/20.26	c ===============================================================================
20.18/20.26	c restarts              : 123
20.18/20.26	c conflicts             : 32775          (1624 /sec)
20.18/20.26	c decisions             : 81952          (4061 /sec)
20.18/20.26	c propagations          : 41443251       (2053788 /sec)
20.18/20.26	c conflict literals     : 565672         (29.71 % deleted)
20.18/20.26	c Memory used           : 44.35 MB
20.18/20.26	c CPU time              : 20.1789 s
20.18/20.26	c 
20.18/20.26	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-1717491-1240628523/watcher-1717491-1240628523 -o /tmp/evaluation-result-1717491-1240628523/solver-1717491-1240628523 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/minisat HOME/instance-1717491-1240628523.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: 1.03 1.01 1.00 2/64 16424
/proc/meminfo: memFree=1139968/2055920 swapFree=4192812/4192956
[pid=16424] ppid=16422 vsize=7784 CPUtime=0
/proc/16424/stat : 16424 (minisat) R 16422 16424 15546 0 -1 4194304 484 0 0 0 0 0 0 0 18 0 1 0 90885533 7970816 468 1992294400 4194304 5092341 548682068832 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 1 0 0
/proc/16424/statm: 1946 468 63 219 0 1724 0

[startup+0.00781489 s]
/proc/loadavg: 1.03 1.01 1.00 2/64 16424
/proc/meminfo: memFree=1139968/2055920 swapFree=4192812/4192956
[pid=16424] ppid=16422 vsize=7916 CPUtime=0
/proc/16424/stat : 16424 (minisat) R 16422 16424 15546 0 -1 4194304 520 0 0 0 0 0 0 0 18 0 1 0 90885533 8105984 504 1992294400 4194304 5092341 548682068832 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 1 0 0
/proc/16424/statm: 1979 505 63 219 0 1757 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 7916

[startup+0.101823 s]
/proc/loadavg: 1.03 1.01 1.00 2/64 16424
/proc/meminfo: memFree=1139968/2055920 swapFree=4192812/4192956
[pid=16424] ppid=16422 vsize=14352 CPUtime=0.09
/proc/16424/stat : 16424 (minisat) R 16422 16424 15546 0 -1 4194304 2762 0 0 0 8 1 0 0 18 0 1 0 90885533 14696448 2554 1992294400 4194304 5092341 548682068832 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 1 0 0
/proc/16424/statm: 3588 2554 63 219 0 3366 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 14352

[startup+0.30184 s]
/proc/loadavg: 1.03 1.01 1.00 2/64 16424
/proc/meminfo: memFree=1139968/2055920 swapFree=4192812/4192956
[pid=16424] ppid=16422 vsize=32280 CPUtime=0.29
/proc/16424/stat : 16424 (minisat) R 16422 16424 15546 0 -1 4194304 7754 0 0 0 26 3 0 0 19 0 1 0 90885533 33054720 7206 1992294400 4194304 5092341 548682068832 18446744073709551615 4236353 0 0 4096 3 0 0 0 17 1 0 0
/proc/16424/statm: 8070 7206 63 219 0 7848 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 32280

[startup+0.701873 s]
/proc/loadavg: 1.03 1.01 1.00 2/64 16424
/proc/meminfo: memFree=1139968/2055920 swapFree=4192812/4192956
[pid=16424] ppid=16422 vsize=39216 CPUtime=0.69
/proc/16424/stat : 16424 (minisat) R 16422 16424 15546 0 -1 4194304 10158 0 0 0 64 5 0 0 23 0 1 0 90885533 40157184 9306 1992294400 4194304 5092341 548682068832 18446744073709551615 4219872 0 0 4096 3 0 0 0 17 1 0 0
/proc/16424/statm: 9804 9306 86 219 0 9582 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 39216

[startup+1.50194 s]
/proc/loadavg: 1.03 1.01 1.00 2/65 16425
/proc/meminfo: memFree=1102968/2055920 swapFree=4192812/4192956
[pid=16424] ppid=16422 vsize=48984 CPUtime=1.49
/proc/16424/stat : 16424 (minisat) R 16422 16424 15546 0 -1 4194304 11764 0 0 0 144 5 0 0 25 0 1 0 90885533 50159616 10912 1992294400 4194304 5092341 548682068832 18446744073709551615 4247916 0 0 4096 3 0 0 0 17 1 0 0
/proc/16424/statm: 12246 10912 87 219 0 12024 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 48984

[startup+3.10108 s]
/proc/loadavg: 1.03 1.01 1.00 2/65 16425
/proc/meminfo: memFree=1089592/2055920 swapFree=4192812/4192956
[pid=16424] ppid=16422 vsize=57508 CPUtime=3.09
/proc/16424/stat : 16424 (minisat) R 16422 16424 15546 0 -1 4194304 13780 0 0 0 303 6 0 0 25 0 1 0 90885533 58888192 12928 1992294400 4194304 5092341 548682068832 18446744073709551615 4219527 0 0 4096 3 0 0 0 17 1 0 0
/proc/16424/statm: 14377 12928 87 219 0 14155 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 57508

[startup+6.30136 s]
/proc/loadavg: 1.03 1.01 1.00 2/65 16425
/proc/meminfo: memFree=1086968/2055920 swapFree=4192812/4192956
[pid=16424] ppid=16422 vsize=45408 CPUtime=6.28
/proc/16424/stat : 16424 (minisat) R 16422 16424 15546 0 -1 4194304 15506 0 0 0 622 6 0 0 25 0 1 0 90885533 46497792 10124 1992294400 4194304 5092341 548682068832 18446744073709551615 4249605 0 0 4096 3 0 0 0 17 1 0 0
/proc/16424/statm: 11352 10124 101 219 0 11130 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 45408

[startup+12.7019 s]
/proc/loadavg: 1.02 1.01 1.00 2/65 16425
/proc/meminfo: memFree=1098512/2055920 swapFree=4192812/4192956
[pid=16424] ppid=16422 vsize=45408 CPUtime=12.69
/proc/16424/stat : 16424 (minisat) R 16422 16424 15546 0 -1 4194304 15783 0 0 0 1262 7 0 0 25 0 1 0 90885533 46497792 10401 1992294400 4194304 5092341 548682068832 18446744073709551615 4240640 0 0 4096 3 0 0 0 17 1 0 0
/proc/16424/statm: 11352 10401 102 219 0 11130 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 45408

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

[startup+15.9012 s]
/proc/loadavg: 1.02 1.01 1.00 2/65 16425
/proc/meminfo: memFree=1098000/2055920 swapFree=4192812/4192956
[pid=16424] ppid=16422 vsize=45408 CPUtime=15.88
/proc/16424/stat : 16424 (minisat) R 16422 16424 15546 0 -1 4194304 15909 0 0 0 1581 7 0 0 25 0 1 0 90885533 46497792 10527 1992294400 4194304 5092341 548682068832 18446744073709551615 4241110 0 0 4096 3 0 0 0 17 1 0 0
/proc/16424/statm: 11352 10527 102 219 0 11130 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 45408

[startup+17.5013 s]
/proc/loadavg: 1.02 1.01 1.00 2/65 16425
/proc/meminfo: memFree=1097616/2055920 swapFree=4192812/4192956
[pid=16424] ppid=16422 vsize=45408 CPUtime=17.49
/proc/16424/stat : 16424 (minisat) R 16422 16424 15546 0 -1 4194304 15991 0 0 0 1742 7 0 0 25 0 1 0 90885533 46497792 10609 1992294400 4194304 5092341 548682068832 18446744073709551615 4240640 0 0 4096 3 0 0 0 17 1 0 0
/proc/16424/statm: 11352 10609 102 219 0 11130 0
Current children cumulated CPU time (s) 17.49
Current children cumulated vsize (KiB) 45408

[startup+19.1015 s]
/proc/loadavg: 1.02 1.01 1.00 2/65 16425
/proc/meminfo: memFree=1097424/2055920 swapFree=4192812/4192956
[pid=16424] ppid=16422 vsize=45408 CPUtime=19.08
/proc/16424/stat : 16424 (minisat) R 16422 16424 15546 0 -1 4194304 16068 0 0 0 1901 7 0 0 25 0 1 0 90885533 46497792 10686 1992294400 4194304 5092341 548682068832 18446744073709551615 4240640 0 0 4096 3 0 0 0 17 1 0 0
/proc/16424/statm: 11352 10686 102 219 0 11130 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 45408

[startup+19.9015 s]
/proc/loadavg: 1.02 1.01 1.00 2/65 16425
/proc/meminfo: memFree=1097232/2055920 swapFree=4192812/4192956
[pid=16424] ppid=16422 vsize=45408 CPUtime=19.88
/proc/16424/stat : 16424 (minisat) R 16422 16424 15546 0 -1 4194304 16104 0 0 0 1981 7 0 0 25 0 1 0 90885533 46497792 10722 1992294400 4194304 5092341 548682068832 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/16424/statm: 11352 10722 102 219 0 11130 0
Current children cumulated CPU time (s) 19.88
Current children cumulated vsize (KiB) 45408

[startup+20.1015 s]
/proc/loadavg: 1.02 1.01 1.00 2/65 16425
/proc/meminfo: memFree=1097232/2055920 swapFree=4192812/4192956
[pid=16424] ppid=16422 vsize=45408 CPUtime=20.08
/proc/16424/stat : 16424 (minisat) R 16422 16424 15546 0 -1 4194304 16111 0 0 0 2001 7 0 0 25 0 1 0 90885533 46497792 10729 1992294400 4194304 5092341 548682068832 18446744073709551615 4241107 0 0 4096 3 0 0 0 17 1 0 0
/proc/16424/statm: 11352 10729 102 219 0 11130 0
Current children cumulated CPU time (s) 20.08
Current children cumulated vsize (KiB) 45408

[startup+20.2016 s]
/proc/loadavg: 1.02 1.01 1.00 2/65 16425
/proc/meminfo: memFree=1097232/2055920 swapFree=4192812/4192956
[pid=16424] ppid=16422 vsize=45408 CPUtime=20.18
/proc/16424/stat : 16424 (minisat) R 16422 16424 15546 0 -1 4194304 16116 0 0 0 2011 7 0 0 25 0 1 0 90885533 46497792 10734 1992294400 4194304 5092341 548682068832 18446744073709551615 4241067 0 0 4096 3 0 0 0 17 1 0 0
/proc/16424/statm: 11352 10734 102 219 0 11130 0
Current children cumulated CPU time (s) 20.18
Current children cumulated vsize (KiB) 45408

Child status: 20
Real time (s): 20.2711
CPU time (s): 20.2659
CPU user time (s): 20.1789
CPU system time (s): 0.086986
CPU usage (%): 99.9747
Max. virtual memory (cumulated for all children) (KiB): 60332

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 20.1789
system time used= 0.086986
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 16129
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= 56

runsolver used 0.015997 second user time and 0.056991 second system time

The end

Launcher Data 

Begin job on node31 at 2009-04-25 05:02:03
IDJOB=1717491
IDBENCH=20415
IDSOLVER=546
FILE ID=node31/1717491-1240628523
PBS_JOBID= 9186353
Free space on /tmp= 66408 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT07/industrial/palacios/uts/uts-l05-ipc5-h26-unsat.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1717491-1240628523/watcher-1717491-1240628523 -o /tmp/evaluation-result-1717491-1240628523/solver-1717491-1240628523 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/minisat HOME/instance-1717491-1240628523.cnf

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

MD5SUM BENCH= 4b97e69214a2eddbe060a9ecc3dfbbd8
RANDOM SEED=2067305974

node31.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		: 3000.213
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		: 3000.213
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:       1140448 kB
Buffers:         45124 kB
Cached:         801272 kB
SwapCached:          0 kB
Active:         123144 kB
Inactive:       738188 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1140448 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            8152 kB
Writeback:           0 kB
Mapped:          24652 kB
Slab:            39896 kB
Committed_AS:   305128 kB
PageTables:       1464 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= 66408 MiB
End job on node31 at 2009-04-25 05:02:24