Trace number 1561665

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 63.0604 63.0764

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 benchmark0.032994
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                                       |
0.00/0.07	c |  Simplification time:          0.05 s                                       |
0.00/0.07	c |                                                                             |
0.00/0.07	c ============================[ Search Statistics ]==============================
0.00/0.07	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.07	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.07	c ===============================================================================
0.00/0.07	c |       100 |    1613    25387    68481 |     9308      100     19 |  0.000 % |
0.00/0.07	c |       250 |    1613    25387    68481 |    10239      250     18 |  0.000 % |
0.00/0.07	c |       475 |    1613    25387    68481 |    11263      475     17 |  0.000 % |
0.00/0.08	c |       812 |    1613    25387    68481 |    12389      812     17 |  0.000 % |
0.00/0.09	c |      1318 |    1607    25387    68481 |    13628     1317     17 |  0.371 % |
0.10/0.11	c |      2077 |    1594    25063    67833 |    14991     2070     19 |  1.175 % |
0.10/0.14	c |      3216 |    1594    25063    67833 |    16490     3209     21 |  1.175 % |
0.10/0.19	c |      4924 |    1594    25046    67789 |    18139     4913     21 |  1.175 % |
0.19/0.30	c |      7486 |    1594    25046    67789 |    19953     7475     23 |  1.175 % |
0.39/0.49	c |     11330 |    1594    25046    67789 |    21949    11319     25 |  1.175 % |
0.89/0.90	c |     17096 |    1587    24948    67593 |    24144    17079     31 |  1.608 % |
1.79/1.86	c |     25745 |    1586    24931    67549 |    26558    13596     29 |  1.670 % |
3.29/3.33	c |     38719 |    1586    24914    67505 |    29214    26567     42 |  1.671 % |
5.88/5.95	c |     58180 |    1584    24880    67417 |    32135    16501     32 |  1.793 % |
10.39/10.47	c |     87372 |    1583    24863    67373 |    35349    29573     38 |  1.855 % |
18.98/19.01	c |    131161 |    1583    24863    67373 |    38884    19921     35 |  1.855 % |
33.29/33.40	c |    196845 |    1581    24829    67285 |    42772    26840     37 |  1.980 % |
57.28/57.30	c |    295371 |    1581    24829    67285 |    47049    39432     46 |  1.979 % |
62.98/63.07	c ===============================================================================
62.98/63.07	c restarts              : 765
62.98/63.07	c conflicts             : 315751         (5015 /sec)
62.98/63.07	c decisions             : 693717         (11018 /sec)
62.98/63.07	c propagations          : 45833213       (727969 /sec)
62.98/63.07	c conflict literals     : 17618728       (35.67 % deleted)
62.98/63.07	c Memory used           : 26.83 MB
62.98/63.07	c CPU time              : 62.9604 s
62.98/63.07	c 
62.98/63.07	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-1561665-1238767989/watcher-1561665-1238767989 -o /tmp/evaluation-result-1561665-1238767989/solver-1561665-1238767989 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/minisat HOME/instance-1561665-1238767989.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: 1.00 1.00 1.00 3/64 1580
/proc/meminfo: memFree=1838152/2055920 swapFree=4177944/4192956
[pid=1580] ppid=1578 vsize=7600 CPUtime=0
/proc/1580/stat : 1580 (minisat) R 1578 1580 758 0 -1 4194304 296 0 0 0 0 0 0 0 18 0 1 0 1149464188 7782400 280 1992294400 4194304 5092341 548682068832 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 1 0 0
/proc/1580/statm: 1900 280 63 219 0 1678 0

[startup+0.103849 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 1580
/proc/meminfo: memFree=1838152/2055920 swapFree=4177944/4192956
[pid=1580] ppid=1578 vsize=8632 CPUtime=0.1
/proc/1580/stat : 1580 (minisat) R 1578 1580 758 0 -1 4194304 825 0 0 0 10 0 0 0 18 0 1 0 1149464188 8839168 690 1992294400 4194304 5092341 548682068832 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/1580/statm: 2158 690 102 219 0 1936 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 8632

[startup+0.201854 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 1580
/proc/meminfo: memFree=1838152/2055920 swapFree=4177944/4192956
[pid=1580] ppid=1578 vsize=8632 CPUtime=0.19
/proc/1580/stat : 1580 (minisat) R 1578 1580 758 0 -1 4194304 909 0 0 0 19 0 0 0 18 0 1 0 1149464188 8839168 774 1992294400 4194304 5092341 548682068832 18446744073709551615 4244576 0 0 4096 3 0 0 0 17 1 0 0
/proc/1580/statm: 2158 774 103 219 0 1936 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 8632

[startup+0.30186 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 1580
/proc/meminfo: memFree=1838152/2055920 swapFree=4177944/4192956
[pid=1580] ppid=1578 vsize=8632 CPUtime=0.29
/proc/1580/stat : 1580 (minisat) R 1578 1580 758 0 -1 4194304 984 0 0 0 29 0 0 0 19 0 1 0 1149464188 8839168 849 1992294400 4194304 5092341 548682068832 18446744073709551615 4523664 0 0 4096 3 0 0 0 17 1 0 0
/proc/1580/statm: 2158 849 103 219 0 1936 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8632

[startup+0.701885 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 1580
/proc/meminfo: memFree=1838152/2055920 swapFree=4177944/4192956
[pid=1580] ppid=1578 vsize=9160 CPUtime=0.69
/proc/1580/stat : 1580 (minisat) R 1578 1580 758 0 -1 4194304 1339 0 0 0 69 0 0 0 22 0 1 0 1149464188 9379840 1204 1992294400 4194304 5092341 548682068832 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/1580/statm: 2290 1204 103 219 0 2068 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9160

[startup+1.50193 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 1581
/proc/meminfo: memFree=1832256/2055920 swapFree=4177944/4192956
[pid=1580] ppid=1578 vsize=9844 CPUtime=1.49
/proc/1580/stat : 1580 (minisat) R 1578 1580 758 0 -1 4194304 1927 0 0 0 149 0 0 0 25 0 1 0 1149464188 10080256 1792 1992294400 4194304 5092341 548682068832 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/1580/statm: 2461 1792 103 219 0 2239 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9844

[startup+3.10104 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 1581
/proc/meminfo: memFree=1831936/2055920 swapFree=4177944/4192956
[pid=1580] ppid=1578 vsize=10168 CPUtime=3.09
/proc/1580/stat : 1580 (minisat) R 1578 1580 758 0 -1 4194304 3192 0 0 0 308 1 0 0 25 0 1 0 1149464188 10412032 2066 1992294400 4194304 5092341 548682068832 18446744073709551615 4515195 0 0 4096 3 0 0 0 17 1 0 0
/proc/1580/statm: 2542 2066 103 219 0 2320 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 10168

[startup+6.30124 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 1581
/proc/meminfo: memFree=1823616/2055920 swapFree=4177944/4192956
[pid=1580] ppid=1578 vsize=23596 CPUtime=6.29
/proc/1580/stat : 1580 (minisat) R 1578 1580 758 0 -1 4194304 7062 0 0 0 626 3 0 0 25 0 1 0 1149464188 24162304 4529 1992294400 4194304 5092341 548682068832 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/1580/statm: 5899 4529 103 219 0 5677 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 23596

[startup+12.7016 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 1581
/proc/meminfo: memFree=1817472/2055920 swapFree=4177944/4192956
[pid=1580] ppid=1578 vsize=23596 CPUtime=12.69
/proc/1580/stat : 1580 (minisat) R 1578 1580 758 0 -1 4194304 7719 0 0 0 1266 3 0 0 25 0 1 0 1149464188 24162304 5186 1992294400 4194304 5092341 548682068832 18446744073709551615 4251452 0 0 4096 3 0 0 0 17 1 0 0
/proc/1580/statm: 5899 5186 103 219 0 5677 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 23596

[startup+25.5014 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 1581
/proc/meminfo: memFree=1811968/2055920 swapFree=4177944/4192956
[pid=1580] ppid=1578 vsize=27488 CPUtime=25.48
/proc/1580/stat : 1580 (minisat) R 1578 1580 758 0 -1 4194304 9086 0 0 0 2544 4 0 0 25 0 1 0 1149464188 28147712 6553 1992294400 4194304 5092341 548682068832 18446744073709551615 4241380 0 0 4096 3 0 0 0 17 1 0 0
/proc/1580/statm: 6872 6553 103 219 0 6650 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 27488

[startup+51.101 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 1581
/proc/meminfo: memFree=1822848/2055920 swapFree=4177944/4192956
[pid=1580] ppid=1578 vsize=23576 CPUtime=51.07
/proc/1580/stat : 1580 (minisat) R 1578 1580 758 0 -1 4194304 12755 0 0 0 5100 7 0 0 25 0 1 0 1149464188 24141824 3950 1992294400 4194304 5092341 548682068832 18446744073709551615 4248079 0 0 4096 3 0 0 0 17 1 0 0
/proc/1580/statm: 5894 3950 103 219 0 5672 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 23576

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

[startup+51.201 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 1581
/proc/meminfo: memFree=1822848/2055920 swapFree=4177944/4192956
[pid=1580] ppid=1578 vsize=23576 CPUtime=51.17
/proc/1580/stat : 1580 (minisat) R 1578 1580 758 0 -1 4194304 12778 0 0 0 5110 7 0 0 25 0 1 0 1149464188 24141824 3973 1992294400 4194304 5092341 548682068832 18446744073709551615 4250042 0 0 4096 3 0 0 0 17 1 0 0
/proc/1580/statm: 5894 3973 103 219 0 5672 0
Current children cumulated CPU time (s) 51.17
Current children cumulated vsize (KiB) 23576

[startup+57.6014 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 1582
/proc/meminfo: memFree=1815552/2055920 swapFree=4177944/4192956
[pid=1580] ppid=1578 vsize=27468 CPUtime=57.57
/proc/1580/stat : 1580 (minisat) R 1578 1580 758 0 -1 4194304 14462 0 0 0 5749 8 0 0 25 0 1 0 1149464188 28127232 5657 1992294400 4194304 5092341 548682068832 18446744073709551615 4241067 0 0 4096 3 0 0 0 17 1 0 0
/proc/1580/statm: 6867 5657 103 219 0 6645 0
Current children cumulated CPU time (s) 57.57
Current children cumulated vsize (KiB) 27468

[startup+60.8016 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 1582
/proc/meminfo: memFree=1814016/2055920 swapFree=4177944/4192956
[pid=1580] ppid=1578 vsize=27468 CPUtime=60.78
/proc/1580/stat : 1580 (minisat) R 1578 1580 758 0 -1 4194304 14831 0 0 0 6069 9 0 0 25 0 1 0 1149464188 28127232 6026 1992294400 4194304 5092341 548682068832 18446744073709551615 4240852 0 0 4096 3 0 0 0 17 1 0 0
/proc/1580/statm: 6867 6026 103 219 0 6645 0
Current children cumulated CPU time (s) 60.78
Current children cumulated vsize (KiB) 27468

[startup+62.4027 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 1582
/proc/meminfo: memFree=1814016/2055920 swapFree=4177944/4192956
[pid=1580] ppid=1578 vsize=27468 CPUtime=62.38
/proc/1580/stat : 1580 (minisat) R 1578 1580 758 0 -1 4194304 14831 0 0 0 6229 9 0 0 25 0 1 0 1149464188 28127232 6026 1992294400 4194304 5092341 548682068832 18446744073709551615 4240627 0 0 4096 3 0 0 0 17 1 0 0
/proc/1580/statm: 6867 6026 103 219 0 6645 0
Current children cumulated CPU time (s) 62.38
Current children cumulated vsize (KiB) 27468

[startup+62.8048 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 1582
/proc/meminfo: memFree=1814016/2055920 swapFree=4177944/4192956
[pid=1580] ppid=1578 vsize=27468 CPUtime=62.78
/proc/1580/stat : 1580 (minisat) R 1578 1580 758 0 -1 4194304 14831 0 0 0 6269 9 0 0 25 0 1 0 1149464188 28127232 6026 1992294400 4194304 5092341 548682068832 18446744073709551615 4248079 0 0 4096 3 0 0 0 17 1 0 0
/proc/1580/statm: 6867 6026 103 219 0 6645 0
Current children cumulated CPU time (s) 62.78
Current children cumulated vsize (KiB) 27468

[startup+63.0018 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 1582
/proc/meminfo: memFree=1814016/2055920 swapFree=4177944/4192956
[pid=1580] ppid=1578 vsize=27468 CPUtime=62.98
/proc/1580/stat : 1580 (minisat) R 1578 1580 758 0 -1 4194304 14831 0 0 0 6289 9 0 0 25 0 1 0 1149464188 28127232 6026 1992294400 4194304 5092341 548682068832 18446744073709551615 4241260 0 0 4096 3 0 0 0 17 1 0 0
/proc/1580/statm: 6867 6026 103 219 0 6645 0
Current children cumulated CPU time (s) 62.98
Current children cumulated vsize (KiB) 27468

Child status: 10
Real time (s): 63.0764
CPU time (s): 63.0604
CPU user time (s): 62.9614
CPU system time (s): 0.098984
CPU usage (%): 99.9746
Max. virtual memory (cumulated for all children) (KiB): 27488

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 62.9614
system time used= 0.098984
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= 164

runsolver used 0.048992 second user time and 0.155976 second system time

The end

Launcher Data 

Begin job on node29 at 2009-04-03 16:13:09
IDJOB=1561665
IDBENCH=70919
IDSOLVER=546
FILE ID=node29/1561665-1238767989
PBS_JOBID= 9085469
Free space on /tmp= 66548 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT09/APPLICATIONS/edgematching/explicit/em_7_4_8_exp.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561665-1238767989/watcher-1561665-1238767989 -o /tmp/evaluation-result-1561665-1238767989/solver-1561665-1238767989 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/minisat HOME/instance-1561665-1238767989.cnf

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

MD5SUM BENCH= e0caa78f33b332fe4d9add2bb1044111
RANDOM SEED=571830754

node29.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		: 3000.234
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		: 3000.234
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:       1838568 kB
Buffers:         18908 kB
Cached:         124096 kB
SwapCached:       8908 kB
Active:          12688 kB
Inactive:       140904 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1838568 kB
SwapTotal:     4192956 kB
SwapFree:      4177944 kB
Dirty:            1324 kB
Writeback:           0 kB
Mapped:          16312 kB
Slab:            49692 kB
Committed_AS:  3314088 kB
PageTables:       1484 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= 66548 MiB
End job on node29 at 2009-04-03 16:14:12