Trace number 1561553

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-crafted 2009-03-22SAT 164.168 164.224

General information on the benchmark

NameCRAFTED/edgematching/
explicit/em_7_4_9_exp.cnf
MD5SUM4b407f7d85e83c60fceae64b7f0e6e1f
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark4.43233
Satisfiable
(Un)Satisfiability was proved
Number of variables1677
Number of clauses26387
Sum of the clauses size71003
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 214880
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 ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Number of variables:  1677                                                 |
0.00/0.00	c |  Number of clauses:    26387                                                |
0.00/0.02	c |  Parsing time:         0.03         s                                       |
0.00/0.02	c |  Timeout:              43200 s
0.00/0.02	c |  Random Seed:          1835420122.000000
0.00/0.02	c |  Heuristic:            EMBP-G, threshold 0.800                              |
0.00/0.02	c |  Branching Rule:       default (solution-guided)                            |
0.00/0.02	c |  Learned clauses in surveys?  Using NO learned clauses.                     |
0.00/0.02	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 |         0 |    1673    25987    69839 |     8662        0    nan |  0.000 % |
4.69/4.71	c |       101 |    1673    25987    69839 |     9528      101     75 |  0.000 % |
9.59/9.66	c |       251 |    1673    25987    69839 |    10481      251     68 |  0.000 % |
14.48/14.58	c |       476 |    1673    25987    69839 |    11529      476     78 |  0.000 % |
19.99/20.06	c |       813 |    1667    25987    69839 |    12682      811     61 |  0.358 % |
25.89/25.93	c |      1319 |    1667    25987    69839 |    13950     1317     70 |  0.358 % |
35.09/35.15	c |      2078 |    1662    25865    69577 |    15345     2074     67 |  0.656 % |
40.18/40.20	c |      3218 |    1662    25865    69577 |    16880     3214     71 |  0.656 % |
48.57/48.64	c |      4933 |    1662    25865    69577 |    18568     4928     75 |  0.716 % |
56.97/57.08	c |      7496 |    1648    25702    69233 |    20425     7486     60 |  1.491 % |
64.97/65.01	c |     11340 |    1647    25702    69233 |    22467    11328     58 |  1.610 % |
110.26/110.34	c |     17107 |    1629    25432    68645 |    24714    17084     55 |  2.624 % |
129.95/130.01	c |     25757 |    1628    25432    68645 |    27186    13164     43 |  2.683 % |
137.64/137.72	c |     38736 |    1626    25232    68209 |    29904    26128     48 |  2.803 % |
152.85/152.93	c |     58199 |    1626    25232    68209 |    32895    15458     30 |  2.862 % |
164.14/164.22	c ===============================================================================
164.14/164.22	c surveys--CPU time (sec)   : 145.8238       (88.86 % of total)
164.14/164.22	c surveys--attempted        : 19484          (134 /sec)
164.14/164.22	c surveys--converged        : 19484          (100.00 % successful)
164.14/164.22	c restarts              : 15
164.14/164.22	c conflicts             : 72812          (3982 /sec)
164.14/164.22	c decisions             : 224573         (1.46 % random) (12280 /sec)
164.14/164.22	c propagations          : 6729827        (368007 /sec)
164.14/164.22	c conflict literals     : 4247094        (19.72 % deleted)
164.14/164.22	c Memory used           : 15.41 MB
164.14/164.22	c Total CPU time (sec)      : 164.1111    
164.14/164.22	c 
164.14/164.22	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-1561553-1238767094/watcher-1561553-1238767094 -o /tmp/evaluation-result-1561553-1238767094/solver-1561553-1238767094 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/varsat-crafted_static -seed=1835420122 HOME/instance-1561553-1238767094.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: 1.83 1.81 1.44 3/65 5360
/proc/meminfo: memFree=1816456/2055920 swapFree=4177732/4192956
[pid=5360] ppid=5358 vsize=2700 CPUtime=0
/proc/5360/stat : 5360 (varsat-crafted_) R 5358 5360 4674 0 -1 4194304 378 0 0 0 0 0 0 0 18 0 1 0 1149371723 2764800 363 1992294400 4194304 5102648 548682068768 18446744073709551615 4491719 0 0 4096 3 0 0 0 17 1 0 0
/proc/5360/statm: 675 364 87 221 0 451 0

[startup+0.0414361 s]
/proc/loadavg: 1.83 1.81 1.44 3/65 5360
/proc/meminfo: memFree=1816456/2055920 swapFree=4177732/4192956
[pid=5360] ppid=5358 vsize=5860 CPUtime=0.03
/proc/5360/stat : 5360 (varsat-crafted_) R 5358 5360 4674 0 -1 4194304 1162 0 0 0 3 0 0 0 18 0 1 0 1149371723 6000640 1147 1992294400 4194304 5102648 548682068768 18446744073709551615 4272886 0 0 4096 3 0 0 0 17 1 0 0
/proc/5360/statm: 1465 1147 98 221 0 1241 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 5860

[startup+0.101446 s]
/proc/loadavg: 1.83 1.81 1.44 3/65 5360
/proc/meminfo: memFree=1816456/2055920 swapFree=4177732/4192956
[pid=5360] ppid=5358 vsize=5644 CPUtime=0.09
/proc/5360/stat : 5360 (varsat-crafted_) R 5358 5360 4674 0 -1 4194304 1217 0 0 0 9 0 0 0 18 0 1 0 1149371723 5779456 1099 1992294400 4194304 5102648 548682068768 18446744073709551615 4213798 0 0 4096 3 0 0 0 17 1 0 0
/proc/5360/statm: 1411 1099 102 221 0 1187 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5644

[startup+0.301481 s]
/proc/loadavg: 1.83 1.81 1.44 3/65 5360
/proc/meminfo: memFree=1816456/2055920 swapFree=4177732/4192956
[pid=5360] ppid=5358 vsize=5644 CPUtime=0.29
/proc/5360/stat : 5360 (varsat-crafted_) R 5358 5360 4674 0 -1 4194304 1217 0 0 0 29 0 0 0 19 0 1 0 1149371723 5779456 1099 1992294400 4194304 5102648 548682068768 18446744073709551615 4214253 0 0 4096 3 0 0 0 17 1 0 0
/proc/5360/statm: 1411 1099 102 221 0 1187 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5644

[startup+0.701551 s]
/proc/loadavg: 1.83 1.81 1.44 3/65 5360
/proc/meminfo: memFree=1816456/2055920 swapFree=4177732/4192956
[pid=5360] ppid=5358 vsize=5644 CPUtime=0.69
/proc/5360/stat : 5360 (varsat-crafted_) R 5358 5360 4674 0 -1 4194304 1217 0 0 0 69 0 0 0 22 0 1 0 1149371723 5779456 1099 1992294400 4194304 5102648 548682068768 18446744073709551615 4213860 0 0 4096 3 0 0 0 17 1 0 0
/proc/5360/statm: 1411 1099 102 221 0 1187 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5644

[startup+1.50169 s]
/proc/loadavg: 1.83 1.81 1.44 2/66 5361
/proc/meminfo: memFree=1812288/2055920 swapFree=4177732/4192956
[pid=5360] ppid=5358 vsize=5644 CPUtime=1.49
/proc/5360/stat : 5360 (varsat-crafted_) R 5358 5360 4674 0 -1 4194304 1217 0 0 0 149 0 0 0 25 0 1 0 1149371723 5779456 1099 1992294400 4194304 5102648 548682068768 18446744073709551615 4213869 0 0 4096 3 0 0 0 17 1 0 0
/proc/5360/statm: 1411 1099 102 221 0 1187 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5644

[startup+3.10198 s]
/proc/loadavg: 1.83 1.81 1.44 2/66 5361
/proc/meminfo: memFree=1812160/2055920 swapFree=4177732/4192956
[pid=5360] ppid=5358 vsize=5644 CPUtime=3.09
/proc/5360/stat : 5360 (varsat-crafted_) R 5358 5360 4674 0 -1 4194304 1217 0 0 0 309 0 0 0 25 0 1 0 1149371723 5779456 1099 1992294400 4194304 5102648 548682068768 18446744073709551615 4214299 0 0 4096 3 0 0 0 17 1 0 0
/proc/5360/statm: 1411 1099 102 221 0 1187 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 5644

[startup+6.30155 s]
/proc/loadavg: 1.77 1.80 1.44 2/66 5361
/proc/meminfo: memFree=1812096/2055920 swapFree=4177732/4192956
[pid=5360] ppid=5358 vsize=5644 CPUtime=6.29
/proc/5360/stat : 5360 (varsat-crafted_) R 5358 5360 4674 0 -1 4194304 1230 0 0 0 629 0 0 0 25 0 1 0 1149371723 5779456 1112 1992294400 4194304 5102648 548682068768 18446744073709551615 4214253 0 0 4096 3 0 0 0 17 1 0 0
/proc/5360/statm: 1411 1112 115 221 0 1187 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 5644

[startup+12.7017 s]
/proc/loadavg: 1.71 1.79 1.43 3/66 5361
/proc/meminfo: memFree=1811976/2055920 swapFree=4177732/4192956
[pid=5360] ppid=5358 vsize=5644 CPUtime=12.69
/proc/5360/stat : 5360 (varsat-crafted_) R 5358 5360 4674 0 -1 4194304 1230 0 0 0 1269 0 0 0 25 0 1 0 1149371723 5779456 1112 1992294400 4194304 5102648 548682068768 18446744073709551615 4213899 0 0 4096 3 0 0 0 17 1 0 0
/proc/5360/statm: 1411 1112 115 221 0 1187 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 5644

[startup+25.502 s]
/proc/loadavg: 1.55 1.75 1.43 2/66 5361
/proc/meminfo: memFree=1811976/2055920 swapFree=4177732/4192956
[pid=5360] ppid=5358 vsize=5644 CPUtime=25.49
/proc/5360/stat : 5360 (varsat-crafted_) R 5358 5360 4674 0 -1 4194304 1230 0 0 0 2548 1 0 0 25 0 1 0 1149371723 5779456 1112 1992294400 4194304 5102648 548682068768 18446744073709551615 4214097 0 0 4096 3 0 0 0 17 1 0 0
/proc/5360/statm: 1411 1112 115 221 0 1187 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 5644

[startup+51.1015 s]
/proc/loadavg: 1.36 1.68 1.41 2/66 5361
/proc/meminfo: memFree=1810888/2055920 swapFree=4177732/4192956
[pid=5360] ppid=5358 vsize=6860 CPUtime=51.07
/proc/5360/stat : 5360 (varsat-crafted_) R 5358 5360 4674 0 -1 4194304 1542 0 0 0 5106 1 0 0 25 0 1 0 1149371723 7024640 1424 1992294400 4194304 5102648 548682068768 18446744073709551615 4525143 0 0 4096 3 0 0 0 17 1 0 0
/proc/5360/statm: 1715 1424 115 221 0 1491 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 6860

[startup+102.306 s]
/proc/loadavg: 1.15 1.58 1.39 2/66 5361
/proc/meminfo: memFree=1808840/2055920 swapFree=4177732/4192956
[pid=5360] ppid=5358 vsize=8896 CPUtime=102.26
/proc/5360/stat : 5360 (varsat-crafted_) R 5358 5360 4674 0 -1 4194304 2043 0 0 0 10223 3 0 0 25 0 1 0 1149371723 9109504 1925 1992294400 4194304 5102648 548682068768 18446744073709551615 4215235 0 0 4096 3 0 0 0 17 1 0 0
/proc/5360/statm: 2224 1925 115 221 0 2000 0
Current children cumulated CPU time (s) 102.26
Current children cumulated vsize (KiB) 8896

[startup+162.301 s]
/proc/loadavg: 1.06 1.47 1.36 2/66 5361
/proc/meminfo: memFree=1802696/2055920 swapFree=4177732/4192956
[pid=5360] ppid=5358 vsize=15108 CPUtime=162.24
/proc/5360/stat : 5360 (varsat-crafted_) R 5358 5360 4674 0 -1 4194304 3558 0 0 0 16219 5 0 0 25 0 1 0 1149371723 15470592 3440 1992294400 4194304 5102648 548682068768 18446744073709551615 4249760 0 0 4096 3 0 0 0 17 1 0 0
/proc/5360/statm: 3777 3440 115 221 0 3553 0
Current children cumulated CPU time (s) 162.24
Current children cumulated vsize (KiB) 15108

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

[startup+163.101 s]
/proc/loadavg: 1.06 1.47 1.36 2/66 5361
/proc/meminfo: memFree=1802632/2055920 swapFree=4177732/4192956
[pid=5360] ppid=5358 vsize=15108 CPUtime=163.04
/proc/5360/stat : 5360 (varsat-crafted_) R 5358 5360 4674 0 -1 4194304 3574 0 0 0 16299 5 0 0 25 0 1 0 1149371723 15470592 3456 1992294400 4194304 5102648 548682068768 18446744073709551615 4249856 0 0 4096 3 0 0 0 17 1 0 0
/proc/5360/statm: 3777 3456 115 221 0 3553 0
Current children cumulated CPU time (s) 163.04
Current children cumulated vsize (KiB) 15108

[startup+163.906 s]
/proc/loadavg: 1.06 1.47 1.36 2/66 5361
/proc/meminfo: memFree=1802248/2055920 swapFree=4177732/4192956
[pid=5360] ppid=5358 vsize=15512 CPUtime=163.84
/proc/5360/stat : 5360 (varsat-crafted_) R 5358 5360 4674 0 -1 4194304 3672 0 0 0 16379 5 0 0 25 0 1 0 1149371723 15884288 3554 1992294400 4194304 5102648 548682068768 18446744073709551615 4249895 0 0 4096 3 0 0 0 17 1 0 0
/proc/5360/statm: 3878 3554 115 221 0 3654 0
Current children cumulated CPU time (s) 163.84
Current children cumulated vsize (KiB) 15512

[startup+164.102 s]
/proc/loadavg: 1.06 1.47 1.36 2/66 5361
/proc/meminfo: memFree=1802248/2055920 swapFree=4177732/4192956
[pid=5360] ppid=5358 vsize=15644 CPUtime=164.04
/proc/5360/stat : 5360 (varsat-crafted_) R 5358 5360 4674 0 -1 4194304 3711 0 0 0 16399 5 0 0 25 0 1 0 1149371723 16019456 3593 1992294400 4194304 5102648 548682068768 18446744073709551615 4249760 0 0 4096 3 0 0 0 17 1 0 0
/proc/5360/statm: 3911 3593 115 221 0 3687 0
Current children cumulated CPU time (s) 164.04
Current children cumulated vsize (KiB) 15644

[startup+164.202 s]
/proc/loadavg: 1.06 1.47 1.36 2/66 5361
/proc/meminfo: memFree=1802248/2055920 swapFree=4177732/4192956
[pid=5360] ppid=5358 vsize=15776 CPUtime=164.14
/proc/5360/stat : 5360 (varsat-crafted_) R 5358 5360 4674 0 -1 4194304 3731 0 0 0 16409 5 0 0 25 0 1 0 1149371723 16154624 3613 1992294400 4194304 5102648 548682068768 18446744073709551615 4249760 0 0 4096 3 0 0 0 17 1 0 0
/proc/5360/statm: 3944 3613 115 221 0 3720 0
Current children cumulated CPU time (s) 164.14
Current children cumulated vsize (KiB) 15776

Child status: 10
Real time (s): 164.224
CPU time (s): 164.168
CPU user time (s): 164.112
CPU system time (s): 0.055991
CPU usage (%): 99.9661
Max. virtual memory (cumulated for all children) (KiB): 15776

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 164.112
system time used= 0.055991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3739
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= 215

runsolver used 0.19097 second user time and 0.403938 second system time

The end

Launcher Data 

Begin job on node56 at 2009-04-03 15:58:15
IDJOB=1561553
IDBENCH=70917
IDSOLVER=537
FILE ID=node56/1561553-1238767094
PBS_JOBID= 9085482
Free space on /tmp= 103184 MiB

SOLVER NAME= VARSAT-crafted 2009-03-22
BENCH NAME= SAT09/APPLICATIONS/edgematching/explicit/em_7_4_9_exp.cnf
COMMAND LINE= HOME/varsat-crafted_static -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561553-1238767094/watcher-1561553-1238767094 -o /tmp/evaluation-result-1561553-1238767094/solver-1561553-1238767094 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/varsat-crafted_static -seed=1835420122 HOME/instance-1561553-1238767094.cnf

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

MD5SUM BENCH= 4b407f7d85e83c60fceae64b7f0e6e1f
RANDOM SEED=1835420122

node56.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		: 3000.256
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		: 3000.256
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:       1816936 kB
Buffers:         24524 kB
Cached:         138440 kB
SwapCached:       9280 kB
Active:          52964 kB
Inactive:       120768 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1816936 kB
SwapTotal:     4192956 kB
SwapFree:      4177732 kB
Dirty:            1432 kB
Writeback:           0 kB
Mapped:          16404 kB
Slab:            51128 kB
Committed_AS:  2910512 kB
PageTables:       1472 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= 103184 MiB
End job on node56 at 2009-04-03 16:00:59