Trace number 1725642

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
VARSAT-random 2009-03-22SAT 20.8338 20.8405

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
MD5SUM51245c7b8edb32c4dbd94daf982c00d7
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.72974
Satisfiable
(Un)Satisfiability was proved
Number of variables2435
Number of clauses16016
Sum of the clauses size112873
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2385
Number of clauses of size 32207
Number of clauses of size 4298
Number of clauses of size 5447
Number of clauses of size over 512644

Solver Data 

0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Number of variables:  2435                                                 |
0.00/0.00	c |  Number of clauses:    16016                                                |
0.00/0.05	c |  Parsing time:         0.05         s                                       |
0.00/0.05	c |  Timeout:              43200 s
0.00/0.05	c |  Random Seed:          144239469.000000
0.00/0.05	c |  Heuristic:            EMSP-G, threshold 0.750                              |
0.00/0.05	c |  Branching Rule:       default (solution-guided)                            |
0.00/0.05	c |  Learned clauses in surveys?  Using NO learned clauses.                     |
0.00/0.05	c |                                                                             |
0.09/0.20	c ============================[ Search Statistics ]==============================
0.09/0.20	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.20	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.09/0.20	c ===============================================================================
0.09/0.20	c |         0 |    1861    10240    65342 |     3413        0    nan |  0.000 % |
0.19/0.29	c |       101 |    1861    10240    65342 |     3754      101     12 |  2.341 % |
0.29/0.39	c |       252 |    1861    10240    65342 |     4130      252     13 |  2.341 % |
0.49/0.50	c |       478 |    1861    10240    65342 |     4543      478     13 |  2.341 % |
0.59/0.60	c |       816 |    1861    10240    65342 |     4997      816     13 |  2.341 % |
0.69/0.71	c |      1322 |    1861    10240    65342 |     5497     1322     13 |  2.341 % |
0.79/0.82	c |      2083 |    1861    10240    65342 |     6046     2083     13 |  2.341 % |
0.89/0.97	c |      3222 |    1861    10240    65342 |     6651     3222     13 |  2.341 % |
1.09/1.14	c |      4930 |    1861    10240    65342 |     7316     4930     15 |  2.341 % |
1.39/1.41	c |      7493 |    1861    10240    65342 |     8048     7493     17 |  2.341 % |
1.69/1.73	c |     11337 |    1861    10240    65342 |     8853     7217     18 |  2.341 % |
2.19/2.28	c |     17104 |    1861    10240    65342 |     9738     8457     20 |  2.341 % |
3.09/3.15	c |     25753 |    1861    10240    65342 |    10712     7132     23 |  2.341 % |
4.69/4.76	c |     38729 |    1861    10240    65342 |    11783     9212     25 |  2.341 % |
7.39/7.46	c |     58191 |    1861    10240    65342 |    12962    10736     27 |  2.341 % |
11.89/11.96	c |     87386 |    1861    10240    65342 |    14258     6997     28 |  2.341 % |
18.88/18.98	c |    131177 |    1861    10240    65342 |    15684     7476     21 |  2.341 % |
20.78/20.83	c ===============================================================================
20.78/20.83	c surveys--CPU time (sec)   : 1.6697         (8.02 % of total)
20.78/20.83	c surveys--attempted        : 17             (10 /sec)
20.78/20.83	c surveys--converged        : 17             (100.00 % successful)
20.78/20.83	c restarts              : 17
20.78/20.83	c conflicts             : 143822         (7513 /sec)
20.78/20.83	c decisions             : 247385         (1.90 % random) (12923 /sec)
20.78/20.83	c propagations          : 9590919        (501012 /sec)
20.78/20.83	c conflict literals     : 4066809        (33.58 % deleted)
20.78/20.83	c Memory used           : 8.90 MB
20.78/20.83	c Total CPU time (sec)      : 20.8128     
20.78/20.83	c 
20.78/20.83	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-1725642-1240705892/watcher-1725642-1240705892 -o /tmp/evaluation-result-1725642-1240705892/solver-1725642-1240705892 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/varsat-random_static -seed=144239469 HOME/instance-1725642-1240705892.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: 0.91 0.95 0.99 3/64 20311
/proc/meminfo: memFree=1611056/2055920 swapFree=4180592/4192956
[pid=20311] ppid=20309 vsize=2788 CPUtime=0
/proc/20311/stat : 20311 (varsat-random_s) R 20309 20311 20246 0 -1 4194304 437 0 0 0 0 0 0 0 18 0 1 0 98622756 2854912 422 1992294400 4194304 5102416 548682068800 18446744073709551615 4491479 0 0 4096 3 0 0 0 17 1 0 0
/proc/20311/statm: 697 423 88 221 0 473 0

[startup+0.100549 s]
/proc/loadavg: 0.91 0.95 0.99 3/64 20311
/proc/meminfo: memFree=1611056/2055920 swapFree=4180592/4192956
[pid=20311] ppid=20309 vsize=6392 CPUtime=0.09
/proc/20311/stat : 20311 (varsat-random_s) R 20309 20311 20246 0 -1 4194304 1318 0 0 0 9 0 0 0 18 0 1 0 98622756 6545408 1303 1992294400 4194304 5102416 548682068800 18446744073709551615 4272646 0 0 4096 3 0 0 0 17 1 0 0
/proc/20311/statm: 1598 1303 98 221 0 1374 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6392

[startup+0.201558 s]
/proc/loadavg: 0.91 0.95 0.99 3/64 20311
/proc/meminfo: memFree=1611056/2055920 swapFree=4180592/4192956
[pid=20311] ppid=20309 vsize=6572 CPUtime=0.19
/proc/20311/stat : 20311 (varsat-random_s) R 20309 20311 20246 0 -1 4194304 1459 0 0 0 19 0 0 0 18 0 1 0 98622756 6729728 1363 1992294400 4194304 5102416 548682068800 18446744073709551615 4524903 0 0 4096 3 0 0 0 17 1 0 0
/proc/20311/statm: 1643 1363 102 221 0 1419 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 6572

[startup+0.301569 s]
/proc/loadavg: 0.91 0.95 0.99 3/64 20311
/proc/meminfo: memFree=1611056/2055920 swapFree=4180592/4192956
[pid=20311] ppid=20309 vsize=6572 CPUtime=0.29
/proc/20311/stat : 20311 (varsat-random_s) R 20309 20311 20246 0 -1 4194304 1469 0 0 0 29 0 0 0 19 0 1 0 98622756 6729728 1373 1992294400 4194304 5102416 548682068800 18446744073709551615 4220213 0 0 4096 3 0 0 0 17 1 0 0
/proc/20311/statm: 1643 1373 112 221 0 1419 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6572

[startup+0.701611 s]
/proc/loadavg: 0.91 0.95 0.99 3/64 20311
/proc/meminfo: memFree=1611056/2055920 swapFree=4180592/4192956
[pid=20311] ppid=20309 vsize=6572 CPUtime=0.69
/proc/20311/stat : 20311 (varsat-random_s) R 20309 20311 20246 0 -1 4194304 1469 0 0 0 69 0 0 0 22 0 1 0 98622756 6729728 1373 1992294400 4194304 5102416 548682068800 18446744073709551615 4249652 0 0 4096 3 0 0 0 17 1 0 0
/proc/20311/statm: 1643 1373 112 221 0 1419 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6572

[startup+1.50169 s]
/proc/loadavg: 0.91 0.95 0.99 2/65 20312
/proc/meminfo: memFree=1605800/2055920 swapFree=4180592/4192956
[pid=20311] ppid=20309 vsize=6572 CPUtime=1.49
/proc/20311/stat : 20311 (varsat-random_s) R 20309 20311 20246 0 -1 4194304 1469 0 0 0 149 0 0 0 25 0 1 0 98622756 6729728 1373 1992294400 4194304 5102416 548682068800 18446744073709551615 4221940 0 0 4096 3 0 0 0 17 1 0 0
/proc/20311/statm: 1643 1373 112 221 0 1419 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6572

[startup+3.10186 s]
/proc/loadavg: 0.91 0.95 0.99 2/65 20312
/proc/meminfo: memFree=1605608/2055920 swapFree=4180592/4192956
[pid=20311] ppid=20309 vsize=6836 CPUtime=3.09
/proc/20311/stat : 20311 (varsat-random_s) R 20309 20311 20246 0 -1 4194304 1546 0 0 0 308 1 0 0 25 0 1 0 98622756 7000064 1450 1992294400 4194304 5102416 548682068800 18446744073709551615 4254884 0 0 4096 3 0 0 0 17 1 0 0
/proc/20311/statm: 1709 1450 112 221 0 1485 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6836

[startup+6.30119 s]
/proc/loadavg: 0.92 0.95 0.99 2/65 20312
/proc/meminfo: memFree=1604840/2055920 swapFree=4180592/4192956
[pid=20311] ppid=20309 vsize=7496 CPUtime=6.29
/proc/20311/stat : 20311 (varsat-random_s) R 20309 20311 20246 0 -1 4194304 1715 0 0 0 628 1 0 0 25 0 1 0 98622756 7675904 1619 1992294400 4194304 5102416 548682068800 18446744073709551615 4231699 0 0 4096 3 0 0 0 17 1 0 0
/proc/20311/statm: 1874 1619 112 221 0 1650 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7496

[startup+12.7019 s]
/proc/loadavg: 0.93 0.95 0.99 2/65 20312
/proc/meminfo: memFree=1603888/2055920 swapFree=4180592/4192956
[pid=20311] ppid=20309 vsize=8412 CPUtime=12.68
/proc/20311/stat : 20311 (varsat-random_s) R 20309 20311 20246 0 -1 4194304 1947 0 0 0 1267 1 0 0 25 0 1 0 98622756 8613888 1851 1992294400 4194304 5102416 548682068800 18446744073709551615 4249536 0 0 4096 3 0 0 0 17 1 0 0
/proc/20311/statm: 2103 1851 112 221 0 1879 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 8412

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

[startup+12.8019 s]
/proc/loadavg: 0.93 0.95 0.99 2/65 20312
/proc/meminfo: memFree=1603888/2055920 swapFree=4180592/4192956
[pid=20311] ppid=20309 vsize=8544 CPUtime=12.78
/proc/20311/stat : 20311 (varsat-random_s) R 20309 20311 20246 0 -1 4194304 1951 0 0 0 1277 1 0 0 25 0 1 0 98622756 8749056 1855 1992294400 4194304 5102416 548682068800 18446744073709551615 4250052 0 0 4096 3 0 0 0 17 1 0 0
/proc/20311/statm: 2136 1855 112 221 0 1912 0
Current children cumulated CPU time (s) 12.78
Current children cumulated vsize (KiB) 8544

[startup+16.0012 s]
/proc/loadavg: 0.93 0.96 0.99 2/65 20312
/proc/meminfo: memFree=1603440/2055920 swapFree=4180592/4192956
[pid=20311] ppid=20309 vsize=8828 CPUtime=15.98
/proc/20311/stat : 20311 (varsat-random_s) R 20309 20311 20246 0 -1 4194304 2036 0 0 0 1597 1 0 0 25 0 1 0 98622756 9039872 1940 1992294400 4194304 5102416 548682068800 18446744073709551615 4249520 0 0 4096 3 0 0 0 17 1 0 0
/proc/20311/statm: 2207 1940 112 221 0 1983 0
Current children cumulated CPU time (s) 15.98
Current children cumulated vsize (KiB) 8828

[startup+19.2015 s]
/proc/loadavg: 0.94 0.96 0.99 2/65 20312
/proc/meminfo: memFree=1603312/2055920 swapFree=4180592/4192956
[pid=20311] ppid=20309 vsize=8960 CPUtime=19.18
/proc/20311/stat : 20311 (varsat-random_s) R 20309 20311 20246 0 -1 4194304 2076 0 0 0 1917 1 0 0 25 0 1 0 98622756 9175040 1980 1992294400 4194304 5102416 548682068800 18446744073709551615 4249699 0 0 4096 3 0 0 0 17 1 0 0
/proc/20311/statm: 2240 1980 112 221 0 2016 0
Current children cumulated CPU time (s) 19.18
Current children cumulated vsize (KiB) 8960

[startup+20.0016 s]
/proc/loadavg: 0.94 0.96 0.99 2/65 20312
/proc/meminfo: memFree=1603248/2055920 swapFree=4180592/4192956
[pid=20311] ppid=20309 vsize=9108 CPUtime=19.98
/proc/20311/stat : 20311 (varsat-random_s) R 20309 20311 20246 0 -1 4194304 2086 0 0 0 1997 1 0 0 25 0 1 0 98622756 9326592 1990 1992294400 4194304 5102416 548682068800 18446744073709551615 4249567 0 0 4096 3 0 0 0 17 1 0 0
/proc/20311/statm: 2277 1990 112 221 0 2053 0
Current children cumulated CPU time (s) 19.98
Current children cumulated vsize (KiB) 9108

[startup+20.4016 s]
/proc/loadavg: 0.94 0.96 0.99 2/65 20312
/proc/meminfo: memFree=1603248/2055920 swapFree=4180592/4192956
[pid=20311] ppid=20309 vsize=9108 CPUtime=20.38
/proc/20311/stat : 20311 (varsat-random_s) R 20309 20311 20246 0 -1 4194304 2089 0 0 0 2037 1 0 0 25 0 1 0 98622756 9326592 1993 1992294400 4194304 5102416 548682068800 18446744073709551615 4250067 0 0 4096 3 0 0 0 17 1 0 0
/proc/20311/statm: 2277 1993 112 221 0 2053 0
Current children cumulated CPU time (s) 20.38
Current children cumulated vsize (KiB) 9108

[startup+20.8027 s]
/proc/loadavg: 0.94 0.96 0.99 2/65 20312
/proc/meminfo: memFree=1603248/2055920 swapFree=4180592/4192956
[pid=20311] ppid=20309 vsize=9108 CPUtime=20.78
/proc/20311/stat : 20311 (varsat-random_s) R 20309 20311 20246 0 -1 4194304 2089 0 0 0 2077 1 0 0 25 0 1 0 98622756 9326592 1993 1992294400 4194304 5102416 548682068800 18446744073709551615 4249573 0 0 4096 3 0 0 0 17 1 0 0
/proc/20311/statm: 2277 1993 112 221 0 2053 0
Current children cumulated CPU time (s) 20.78
Current children cumulated vsize (KiB) 9108

Child status: 10
Real time (s): 20.8405
CPU time (s): 20.8338
CPU user time (s): 20.8138
CPU system time (s): 0.019996
CPU usage (%): 99.9679
Max. virtual memory (cumulated for all children) (KiB): 9108

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 20.8138
system time used= 0.019996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2094
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= 45

runsolver used 0.018997 second user time and 0.051992 second system time

The end

Launcher Data 

Begin job on node24 at 2009-04-26 02:31:32
IDJOB=1725642
IDBENCH=24594
IDSOLVER=539
FILE ID=node24/1725642-1240705892
PBS_JOBID= 9186805
Free space on /tmp= 66240 MiB

SOLVER NAME= VARSAT-random 2009-03-22
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
COMMAND LINE= HOME/varsat-random_static -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725642-1240705892/watcher-1725642-1240705892 -o /tmp/evaluation-result-1725642-1240705892/solver-1725642-1240705892 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/varsat-random_static -seed=144239469 HOME/instance-1725642-1240705892.cnf

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

MD5SUM BENCH= 51245c7b8edb32c4dbd94daf982c00d7
RANDOM SEED=144239469

node24.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		: 3000.232
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		: 3000.232
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:       1611472 kB
Buffers:         44240 kB
Cached:         327660 kB
SwapCached:       6112 kB
Active:         152880 kB
Inactive:       227604 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1611472 kB
SwapTotal:     4192956 kB
SwapFree:      4180592 kB
Dirty:            1604 kB
Writeback:           0 kB
Mapped:          13944 kB
Slab:            49800 kB
Committed_AS:   396068 kB
PageTables:       1440 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= 66240 MiB
End job on node24 at 2009-04-26 02:31:53