Trace number 1561717

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 26.218 26.2269

General information on the benchmark

NameCRAFTED/edgematching/
explicit/em_8_4_5_exp.cnf
MD5SUM8074a7bc3c1695dbe8e033b31e3d3feb
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark14.8357
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses51668
Sum of the clauses size133444
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 232492
Number of clauses of size 313968
Number of clauses of size 42628
Number of clauses of size 52460
Number of clauses of size over 5120

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 |                                                                             |
0.00/0.04	c |  Number of variables:          2420                                         |
0.00/0.04	c |  Number of clauses:           51668                                         |
0.00/0.04	c |  Parse time:                   0.04 s                                       |
0.10/0.14	c |  Simplification time:          0.10 s                                       |
0.10/0.14	c |                                                                             |
0.10/0.14	c ============================[ Search Statistics ]==============================
0.10/0.14	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.10/0.14	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.10/0.14	c ===============================================================================
0.10/0.14	c |       100 |    2416    50372   129590 |    18469      100     65 |  0.000 % |
0.10/0.15	c |       250 |    2411    50372   129590 |    20316      249     38 |  0.207 % |
0.10/0.16	c |       475 |    2407    50372   129590 |    22348      473     32 |  0.372 % |
0.10/0.17	c |       812 |    2403    50372   129590 |    24583      809     29 |  0.537 % |
0.10/0.19	c |      1318 |    2403    50372   129590 |    27041     1315     27 |  0.537 % |
0.19/0.23	c |      2077 |    2403    50105   129056 |    29745     2074     28 |  0.537 % |
0.19/0.27	c |      3216 |    2393    50105   129056 |    32720     3211     31 |  0.950 % |
0.29/0.35	c |      4924 |    2389    49823   128492 |    35992     4915     30 |  1.116 % |
0.39/0.49	c |      7486 |    2372    49823   128492 |    39591     7473     31 |  1.818 % |
0.69/0.73	c |     11330 |    2364    49439   127724 |    43550    11308     35 |  2.149 % |
1.09/1.18	c |     17096 |    2364    49372   127590 |    47905    17071     37 |  2.149 % |
1.99/2.09	c |     25745 |    2364    49372   127590 |    52696    25720     43 |  2.149 % |
3.79/3.89	c |     38719 |    2364    49372   127590 |    57965    38694     49 |  2.149 % |
7.98/8.05	c |     58180 |    2364    49372   127590 |    63762    26092     38 |  2.149 % |
13.19/13.26	c |     87372 |    2364    49372   127590 |    70138    55284     62 |  2.149 % |
23.68/23.72	c |    131161 |    2364    49372   127590 |    77152    58576     71 |  2.149 % |
26.18/26.21	c ===============================================================================
26.18/26.21	c restarts              : 381
26.18/26.21	c conflicts             : 139743         (5348 /sec)
26.18/26.21	c decisions             : 813045         (31114 /sec)
26.18/26.21	c propagations          : 13739491       (525792 /sec)
26.18/26.21	c conflict literals     : 10740571       (15.39 % deleted)
26.18/26.21	c Memory used           : 50.05 MB
26.18/26.21	c CPU time              : 26.131 s
26.18/26.21	c 
26.18/26.21	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-1561717-1238768362/watcher-1561717-1238768362 -o /tmp/evaluation-result-1561717-1238768362/solver-1561717-1238768362 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/minisat HOME/instance-1561717-1238768362.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: 1.47 1.54 1.25 2/65 19728
/proc/meminfo: memFree=1811312/2055920 swapFree=4178736/4192956
[pid=19728] ppid=19726 vsize=7872 CPUtime=0
/proc/19728/stat : 19728 (minisat) R 19726 19728 18844 0 -1 4194304 461 0 0 0 0 0 0 0 18 0 1 0 503170073 8060928 445 1992294400 4194304 5092341 548682068832 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 1 0 0
/proc/19728/statm: 1968 446 63 219 0 1746 0

[startup+0.109112 s]
/proc/loadavg: 1.47 1.54 1.25 2/65 19728
/proc/meminfo: memFree=1811312/2055920 swapFree=4178736/4192956
[pid=19728] ppid=19726 vsize=9816 CPUtime=0.1
/proc/19728/stat : 19728 (minisat) R 19726 19728 18844 0 -1 4194304 1225 0 0 0 10 0 0 0 18 0 1 0 503170073 10051584 1168 1992294400 4194304 5092341 548682068832 18446744073709551615 4219935 0 0 4096 3 0 0 0 17 1 0 0
/proc/19728/statm: 2454 1168 88 219 0 2232 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 9816

[startup+0.202121 s]
/proc/loadavg: 1.47 1.54 1.25 2/65 19728
/proc/meminfo: memFree=1811312/2055920 swapFree=4178736/4192956
[pid=19728] ppid=19726 vsize=9572 CPUtime=0.19
/proc/19728/stat : 19728 (minisat) R 19726 19728 18844 0 -1 4194304 1456 0 0 0 19 0 0 0 18 0 1 0 503170073 9801728 1106 1992294400 4194304 5092341 548682068832 18446744073709551615 4240650 0 0 4096 3 0 0 0 17 1 0 0
/proc/19728/statm: 2393 1106 102 219 0 2171 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 9572

[startup+0.301133 s]
/proc/loadavg: 1.47 1.54 1.25 2/65 19728
/proc/meminfo: memFree=1811312/2055920 swapFree=4178736/4192956
[pid=19728] ppid=19726 vsize=9572 CPUtime=0.29
/proc/19728/stat : 19728 (minisat) R 19726 19728 18844 0 -1 4194304 1534 0 0 0 29 0 0 0 19 0 1 0 503170073 9801728 1184 1992294400 4194304 5092341 548682068832 18446744073709551615 4241064 0 0 4096 3 0 0 0 17 1 0 0
/proc/19728/statm: 2393 1184 103 219 0 2171 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9572

[startup+0.701178 s]
/proc/loadavg: 1.47 1.54 1.25 2/65 19728
/proc/meminfo: memFree=1811312/2055920 swapFree=4178736/4192956
[pid=19728] ppid=19726 vsize=9852 CPUtime=0.69
/proc/19728/stat : 19728 (minisat) R 19726 19728 18844 0 -1 4194304 1849 0 0 0 69 0 0 0 22 0 1 0 503170073 10088448 1499 1992294400 4194304 5092341 548682068832 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/19728/statm: 2463 1499 103 219 0 2241 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9852

[startup+1.50127 s]
/proc/loadavg: 1.47 1.54 1.25 2/66 19729
/proc/meminfo: memFree=1805352/2055920 swapFree=4178736/4192956
[pid=19728] ppid=19726 vsize=10776 CPUtime=1.49
/proc/19728/stat : 19728 (minisat) R 19726 19728 18844 0 -1 4194304 2570 0 0 0 149 0 0 0 25 0 1 0 503170073 11034624 2220 1992294400 4194304 5092341 548682068832 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/19728/statm: 2694 2220 103 219 0 2472 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10776

[startup+3.10145 s]
/proc/loadavg: 1.47 1.54 1.25 2/66 19729
/proc/meminfo: memFree=1801896/2055920 swapFree=4178736/4192956
[pid=19728] ppid=19726 vsize=14628 CPUtime=3.09
/proc/19728/stat : 19728 (minisat) R 19726 19728 18844 0 -1 4194304 3577 0 0 0 308 1 0 0 25 0 1 0 503170073 14979072 3227 1992294400 4194304 5092341 548682068832 18446744073709551615 4240640 0 0 4096 3 0 0 0 17 1 0 0
/proc/19728/statm: 3657 3227 103 219 0 3435 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 14628

[startup+6.30181 s]
/proc/loadavg: 1.43 1.53 1.25 2/66 19729
/proc/meminfo: memFree=1794216/2055920 swapFree=4178736/4192956
[pid=19728] ppid=19726 vsize=26224 CPUtime=6.29
/proc/19728/stat : 19728 (minisat) R 19726 19728 18844 0 -1 4194304 5237 0 0 0 627 2 0 0 25 0 1 0 503170073 26853376 4887 1992294400 4194304 5092341 548682068832 18446744073709551615 4241447 0 0 4096 3 0 0 0 17 1 0 0
/proc/19728/statm: 6556 4887 103 219 0 6334 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 26224

[startup+12.7015 s]
/proc/loadavg: 1.39 1.52 1.25 2/66 19729
/proc/meminfo: memFree=1783464/2055920 swapFree=4178736/4192956
[pid=19728] ppid=19726 vsize=46384 CPUtime=12.69
/proc/19728/stat : 19728 (minisat) R 19726 19728 18844 0 -1 4194304 11220 0 0 0 1264 5 0 0 25 0 1 0 503170073 47497216 7445 1992294400 4194304 5092341 548682068832 18446744073709551615 4240636 0 0 4096 3 0 0 0 17 1 0 0
/proc/19728/statm: 11596 7445 103 219 0 11374 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 46384

[startup+25.502 s]
/proc/loadavg: 1.31 1.50 1.25 2/66 19729
/proc/meminfo: memFree=1767464/2055920 swapFree=4178736/4192956
[pid=19728] ppid=19726 vsize=51252 CPUtime=25.48
/proc/19728/stat : 19728 (minisat) R 19726 19728 18844 0 -1 4194304 14999 0 0 0 2541 7 0 0 25 0 1 0 503170073 52482048 11224 1992294400 4194304 5092341 548682068832 18446744073709551615 4241447 0 0 4096 3 0 0 0 17 1 0 0
/proc/19728/statm: 12813 11224 103 219 0 12591 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 51252

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

[startup+25.602 s]
/proc/loadavg: 1.31 1.50 1.25 2/66 19729
/proc/meminfo: memFree=1767464/2055920 swapFree=4178736/4192956
[pid=19728] ppid=19726 vsize=51252 CPUtime=25.58
/proc/19728/stat : 19728 (minisat) R 19726 19728 18844 0 -1 4194304 14999 0 0 0 2551 7 0 0 25 0 1 0 503170073 52482048 11224 1992294400 4194304 5092341 548682068832 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/19728/statm: 12813 11224 103 219 0 12591 0
Current children cumulated CPU time (s) 25.58
Current children cumulated vsize (KiB) 51252

[startup+26.001 s]
/proc/loadavg: 1.31 1.50 1.25 2/66 19729
/proc/meminfo: memFree=1767464/2055920 swapFree=4178736/4192956
[pid=19728] ppid=19726 vsize=51252 CPUtime=25.98
/proc/19728/stat : 19728 (minisat) R 19726 19728 18844 0 -1 4194304 15041 0 0 0 2591 7 0 0 25 0 1 0 503170073 52482048 11266 1992294400 4194304 5092341 548682068832 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/19728/statm: 12813 11266 103 219 0 12591 0
Current children cumulated CPU time (s) 25.98
Current children cumulated vsize (KiB) 51252

[startup+26.2011 s]
/proc/loadavg: 1.31 1.50 1.25 2/66 19729
/proc/meminfo: memFree=1767464/2055920 swapFree=4178736/4192956
[pid=19728] ppid=19726 vsize=51252 CPUtime=26.18
/proc/19728/stat : 19728 (minisat) R 19726 19728 18844 0 -1 4194304 15114 0 0 0 2611 7 0 0 25 0 1 0 503170073 52482048 11339 1992294400 4194304 5092341 548682068832 18446744073709551615 4240659 0 0 4096 3 0 0 0 17 1 0 0
/proc/19728/statm: 12813 11339 103 219 0 12591 0
Current children cumulated CPU time (s) 26.18
Current children cumulated vsize (KiB) 51252

Child status: 10
Real time (s): 26.2269
CPU time (s): 26.218
CPU user time (s): 26.132
CPU system time (s): 0.085986
CPU usage (%): 99.9659
Max. virtual memory (cumulated for all children) (KiB): 51252

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 26.132
system time used= 0.085986
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 15135
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= 26

runsolver used 0.031995 second user time and 0.069989 second system time

The end

Launcher Data 

Begin job on node32 at 2009-04-03 16:19:22
IDJOB=1561717
IDBENCH=70920
IDSOLVER=546
FILE ID=node32/1561717-1238768362
PBS_JOBID= 9085489
Free space on /tmp= 66544 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT09/APPLICATIONS/edgematching/explicit/em_8_4_5_exp.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561717-1238768362/watcher-1561717-1238768362 -o /tmp/evaluation-result-1561717-1238768362/solver-1561717-1238768362 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/minisat HOME/instance-1561717-1238768362.cnf

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

MD5SUM BENCH= 8074a7bc3c1695dbe8e033b31e3d3feb
RANDOM SEED=880364670

node32.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:       1812880 kB
Buffers:         31796 kB
Cached:         124196 kB
SwapCached:       7344 kB
Active:          35096 kB
Inactive:       129696 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1812880 kB
SwapTotal:     4192956 kB
SwapFree:      4178736 kB
Dirty:            1776 kB
Writeback:           0 kB
Mapped:          14536 kB
Slab:            64012 kB
Committed_AS:  1871256 kB
PageTables:       1496 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= 66544 MiB
End job on node32 at 2009-04-03 16:19:49