Trace number 1784059

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 62.8684 62.889

General information on the benchmark

NameCRAFTED/edgematching/
explicit/em_7_4_8_exp.cnf
MD5SUMe0caa78f33b332fe4d9add2bb1044111
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark33.155
Satisfiable
(Un)Satisfiability was proved
Number of variables1617
Number of clauses25837
Sum of the clauses size69793
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 214380
Number of clauses of size 38550
Number of clauses of size 4932
Number of clauses of size 51825
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:          1617                                         |
0.00/0.02	c |  Number of clauses:           25837                                         |
0.00/0.02	c |  Parse time:                   0.02 s                                       |
0.05/0.06	c |  Simplification time:          0.05 s                                       |
0.05/0.06	c |                                                                             |
0.05/0.06	c ============================[ Search Statistics ]==============================
0.05/0.06	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.05/0.06	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.05/0.06	c ===============================================================================
0.05/0.07	c |       100 |    1613    25387    68481 |     9308      100     19 |  0.000 % |
0.05/0.07	c |       250 |    1613    25387    68481 |    10239      250     18 |  0.000 % |
0.05/0.07	c |       475 |    1613    25387    68481 |    11263      475     17 |  0.000 % |
0.05/0.08	c |       812 |    1613    25387    68481 |    12389      812     17 |  0.000 % |
0.05/0.09	c |      1318 |    1607    25387    68481 |    13628     1317     17 |  0.371 % |
0.09/0.11	c |      2077 |    1594    25063    67833 |    14991     2070     19 |  1.175 % |
0.09/0.14	c |      3216 |    1594    25063    67833 |    16490     3209     21 |  1.175 % |
0.09/0.19	c |      4924 |    1594    25046    67789 |    18139     4913     21 |  1.175 % |
0.19/0.29	c |      7486 |    1594    25046    67789 |    19953     7475     23 |  1.175 % |
0.39/0.48	c |     11330 |    1594    25046    67789 |    21949    11319     25 |  1.175 % |
0.79/0.88	c |     17096 |    1587    24948    67593 |    24144    17079     31 |  1.608 % |
1.79/1.83	c |     25745 |    1586    24931    67549 |    26558    13596     29 |  1.670 % |
3.19/3.29	c |     38719 |    1586    24914    67505 |    29214    26567     42 |  1.671 % |
5.89/5.90	c |     58180 |    1584    24880    67417 |    32135    16501     32 |  1.793 % |
10.39/10.43	c |     87372 |    1583    24863    67373 |    35349    29573     38 |  1.855 % |
18.88/18.97	c |    131161 |    1583    24863    67373 |    38884    19921     35 |  1.855 % |
33.18/33.30	c |    196845 |    1581    24829    67285 |    42772    26840     37 |  1.980 % |
57.08/57.18	c |    295371 |    1581    24829    67285 |    47049    39432     46 |  1.979 % |
62.77/62.88	c ===============================================================================
62.77/62.88	c restarts              : 765
62.77/62.88	c conflicts             : 315751         (5030 /sec)
62.77/62.88	c decisions             : 693717         (11051 /sec)
62.77/62.88	c propagations          : 45833213       (730125 /sec)
62.77/62.88	c conflict literals     : 17618728       (35.67 % deleted)
62.77/62.88	c Memory used           : 26.83 MB
62.77/62.88	c CPU time              : 62.7745 s
62.77/62.88	c 
62.77/62.88	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-1784059-1241914315/watcher-1784059-1241914315 -o /tmp/evaluation-result-1784059-1241914315/solver-1784059-1241914315 -C 5000 -W 6000 -M 1800 HOME/minisat HOME/instance-1784059-1241914315.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 23322
/proc/meminfo: memFree=1868656/2055920 swapFree=4164244/4192956
[pid=23322] ppid=23320 vsize=7600 CPUtime=0
/proc/23322/stat : 23322 (minisat) R 23320 23322 23156 0 -1 4194304 295 0 0 0 0 0 0 0 18 0 1 0 219464541 7782400 279 1992294400 4194304 5092341 548682068848 18446744073709551615 4515536 0 0 4096 3 0 0 0 17 1 0 0
/proc/23322/statm: 1900 280 63 219 0 1678 0

[startup+0.056955 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 23322
/proc/meminfo: memFree=1868656/2055920 swapFree=4164244/4192956
[pid=23322] ppid=23320 vsize=8632 CPUtime=0.05
/proc/23322/stat : 23322 (minisat) R 23320 23322 23156 0 -1 4194304 689 0 0 0 5 0 0 0 18 0 1 0 219464541 8839168 673 1992294400 4194304 5092341 548682068848 18446744073709551615 4219793 0 0 4096 3 0 0 0 17 1 0 0
/proc/23322/statm: 2158 673 88 219 0 1936 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 8632

[startup+0.101963 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 23322
/proc/meminfo: memFree=1868656/2055920 swapFree=4164244/4192956
[pid=23322] ppid=23320 vsize=8632 CPUtime=0.09
/proc/23322/stat : 23322 (minisat) R 23320 23322 23156 0 -1 4194304 825 0 0 0 9 0 0 0 18 0 1 0 219464541 8839168 690 1992294400 4194304 5092341 548682068848 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/23322/statm: 2158 690 102 219 0 1936 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8632

[startup+0.301997 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 23322
/proc/meminfo: memFree=1868656/2055920 swapFree=4164244/4192956
[pid=23322] ppid=23320 vsize=8632 CPUtime=0.29
/proc/23322/stat : 23322 (minisat) R 23320 23322 23156 0 -1 4194304 986 0 0 0 29 0 0 0 19 0 1 0 219464541 8839168 851 1992294400 4194304 5092341 548682068848 18446744073709551615 4492610 0 0 4096 3 0 0 0 17 1 0 0
/proc/23322/statm: 2158 851 103 219 0 1936 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8632

[startup+0.701064 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 23322
/proc/meminfo: memFree=1868656/2055920 swapFree=4164244/4192956
[pid=23322] ppid=23320 vsize=9160 CPUtime=0.69
/proc/23322/stat : 23322 (minisat) R 23320 23322 23156 0 -1 4194304 1348 0 0 0 69 0 0 0 22 0 1 0 219464541 9379840 1213 1992294400 4194304 5092341 548682068848 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/23322/statm: 2290 1213 103 219 0 2068 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9160

[startup+1.5012 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23323
/proc/meminfo: memFree=1863016/2055920 swapFree=4164244/4192956
[pid=23322] ppid=23320 vsize=9844 CPUtime=1.49
/proc/23322/stat : 23322 (minisat) R 23320 23322 23156 0 -1 4194304 1937 0 0 0 149 0 0 0 25 0 1 0 219464541 10080256 1802 1992294400 4194304 5092341 548682068848 18446744073709551615 4240640 0 0 4096 3 0 0 0 17 1 0 0
/proc/23322/statm: 2461 1802 103 219 0 2239 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9844

[startup+3.10147 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23323
/proc/meminfo: memFree=1862568/2055920 swapFree=4164244/4192956
[pid=23322] ppid=23320 vsize=10168 CPUtime=3.09
/proc/23322/stat : 23322 (minisat) R 23320 23322 23156 0 -1 4194304 3216 0 0 0 308 1 0 0 25 0 1 0 219464541 10412032 2090 1992294400 4194304 5092341 548682068848 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/23322/statm: 2542 2090 103 219 0 2320 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 10168

[startup+6.30202 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23323
/proc/meminfo: memFree=1854248/2055920 swapFree=4164244/4192956
[pid=23322] ppid=23320 vsize=23596 CPUtime=6.29
/proc/23322/stat : 23322 (minisat) R 23320 23322 23156 0 -1 4194304 7088 0 0 0 626 3 0 0 25 0 1 0 219464541 24162304 4555 1992294400 4194304 5092341 548682068848 18446744073709551615 4240627 0 0 4096 3 0 0 0 17 1 0 0
/proc/23322/statm: 5899 4555 103 219 0 5677 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 23596

[startup+12.7011 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23323
/proc/meminfo: memFree=1847984/2055920 swapFree=4164244/4192956
[pid=23322] ppid=23320 vsize=23596 CPUtime=12.69
/proc/23322/stat : 23322 (minisat) R 23320 23322 23156 0 -1 4194304 7719 0 0 0 1266 3 0 0 25 0 1 0 219464541 24162304 5186 1992294400 4194304 5092341 548682068848 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/23322/statm: 5899 5186 103 219 0 5677 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 23596

[startup+25.5013 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23323
/proc/meminfo: memFree=1842480/2055920 swapFree=4164244/4192956
[pid=23322] ppid=23320 vsize=27488 CPUtime=25.48
/proc/23322/stat : 23322 (minisat) R 23320 23322 23156 0 -1 4194304 9086 0 0 0 2544 4 0 0 25 0 1 0 219464541 28147712 6553 1992294400 4194304 5092341 548682068848 18446744073709551615 4248055 0 0 4096 3 0 0 0 17 1 0 0
/proc/23322/statm: 6872 6553 103 219 0 6650 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 27488

[startup+51.1017 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23323
/proc/meminfo: memFree=1853360/2055920 swapFree=4164244/4192956
[pid=23322] ppid=23320 vsize=23576 CPUtime=51.08
/proc/23322/stat : 23322 (minisat) R 23320 23322 23156 0 -1 4194304 12793 0 0 0 5101 7 0 0 25 0 1 0 219464541 24141824 3988 1992294400 4194304 5092341 548682068848 18446744073709551615 4241912 0 0 4096 3 0 0 0 17 1 0 0
/proc/23322/statm: 5894 3988 103 219 0 5672 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 23576

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

[startup+57.5018 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23323
/proc/meminfo: memFree=1846128/2055920 swapFree=4164244/4192956
[pid=23322] ppid=23320 vsize=27468 CPUtime=57.47
/proc/23322/stat : 23322 (minisat) R 23320 23322 23156 0 -1 4194304 14462 0 0 0 5739 8 0 0 25 0 1 0 219464541 28127232 5657 1992294400 4194304 5092341 548682068848 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/23322/statm: 6867 5657 103 219 0 6645 0
Current children cumulated CPU time (s) 57.47
Current children cumulated vsize (KiB) 27468

[startup+60.7013 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23323
/proc/meminfo: memFree=1844656/2055920 swapFree=4164244/4192956
[pid=23322] ppid=23320 vsize=27468 CPUtime=60.67
/proc/23322/stat : 23322 (minisat) R 23320 23322 23156 0 -1 4194304 14831 0 0 0 6059 8 0 0 25 0 1 0 219464541 28127232 6026 1992294400 4194304 5092341 548682068848 18446744073709551615 4241089 0 0 4096 3 0 0 0 17 1 0 0
/proc/23322/statm: 6867 6026 103 219 0 6645 0
Current children cumulated CPU time (s) 60.67
Current children cumulated vsize (KiB) 27468

[startup+61.5015 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23323
/proc/meminfo: memFree=1844656/2055920 swapFree=4164244/4192956
[pid=23322] ppid=23320 vsize=27468 CPUtime=61.47
/proc/23322/stat : 23322 (minisat) R 23320 23322 23156 0 -1 4194304 14831 0 0 0 6139 8 0 0 25 0 1 0 219464541 28127232 6026 1992294400 4194304 5092341 548682068848 18446744073709551615 4240672 0 0 4096 3 0 0 0 17 1 0 0
/proc/23322/statm: 6867 6026 103 219 0 6645 0
Current children cumulated CPU time (s) 61.47
Current children cumulated vsize (KiB) 27468

[startup+62.3016 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23323
/proc/meminfo: memFree=1844656/2055920 swapFree=4164244/4192956
[pid=23322] ppid=23320 vsize=27468 CPUtime=62.27
/proc/23322/stat : 23322 (minisat) R 23320 23322 23156 0 -1 4194304 14831 0 0 0 6219 8 0 0 25 0 1 0 219464541 28127232 6026 1992294400 4194304 5092341 548682068848 18446744073709551615 4241025 0 0 4096 3 0 0 0 17 1 0 0
/proc/23322/statm: 6867 6026 103 219 0 6645 0
Current children cumulated CPU time (s) 62.27
Current children cumulated vsize (KiB) 27468

[startup+62.7057 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23323
/proc/meminfo: memFree=1844656/2055920 swapFree=4164244/4192956
[pid=23322] ppid=23320 vsize=27468 CPUtime=62.67
/proc/23322/stat : 23322 (minisat) R 23320 23322 23156 0 -1 4194304 14831 0 0 0 6259 8 0 0 25 0 1 0 219464541 28127232 6026 1992294400 4194304 5092341 548682068848 18446744073709551615 4240661 0 0 4096 3 0 0 0 17 1 0 0
/proc/23322/statm: 6867 6026 103 219 0 6645 0
Current children cumulated CPU time (s) 62.67
Current children cumulated vsize (KiB) 27468

[startup+62.8017 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 23323
/proc/meminfo: memFree=1844656/2055920 swapFree=4164244/4192956
[pid=23322] ppid=23320 vsize=27468 CPUtime=62.77
/proc/23322/stat : 23322 (minisat) R 23320 23322 23156 0 -1 4194304 14831 0 0 0 6269 8 0 0 25 0 1 0 219464541 28127232 6026 1992294400 4194304 5092341 548682068848 18446744073709551615 4241392 0 0 4096 3 0 0 0 17 1 0 0
/proc/23322/statm: 6867 6026 103 219 0 6645 0
Current children cumulated CPU time (s) 62.77
Current children cumulated vsize (KiB) 27468

Child status: 10
Real time (s): 62.889
CPU time (s): 62.8684
CPU user time (s): 62.7755
CPU system time (s): 0.092985
CPU usage (%): 99.9673
Max. virtual memory (cumulated for all children) (KiB): 27488

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 62.7755
system time used= 0.092985
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 14841
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= 111

runsolver used 0.057991 second user time and 0.139978 second system time

The end

Launcher Data 

Begin job on node25 at 2009-05-10 02:11:55
IDJOB=1784059
IDBENCH=70919
IDSOLVER=608
FILE ID=node25/1784059-1241914315
PBS_JOBID= 9264843
Free space on /tmp= 66040 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT09/CRAFTED/edgematching/explicit/em_7_4_8_exp.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1784059-1241914315/watcher-1784059-1241914315 -o /tmp/evaluation-result-1784059-1241914315/solver-1784059-1241914315 -C 5000 -W 6000 -M 1800  HOME/minisat HOME/instance-1784059-1241914315.cnf

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= e0caa78f33b332fe4d9add2bb1044111
RANDOM SEED=1210683933

node25.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		: 3000.259
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		: 3000.259
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:       1869136 kB
Buffers:         44520 kB
Cached:          78296 kB
SwapCached:      23384 kB
Active:          77924 kB
Inactive:        69788 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1869136 kB
SwapTotal:     4192956 kB
SwapFree:      4164244 kB
Dirty:            1556 kB
Writeback:           0 kB
Mapped:          14016 kB
Slab:            25132 kB
Committed_AS:   716976 kB
PageTables:       1460 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= 66036 MiB
End job on node25 at 2009-05-10 02:12:58