Trace number 1561554

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-industrial 2009-03-22SAT 17.2484 17.2527

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:         0.02         s                                       |
0.00/0.02	c |  Timeout:              43200 s
0.00/0.03	c |  Random Seed:          1917978472.000000
0.00/0.03	c |  Heuristic:            EMBP-G, threshold 0.950                              |
0.00/0.03	c |  Branching Rule:       default (solution-guided)                            |
0.00/0.03	c |  Learned clauses in surveys?  Using NO learned clauses.                     |
0.00/0.03	c |                                                                             |
0.04/0.07	c ============================[ Search Statistics ]==============================
0.04/0.07	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.04/0.07	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.04/0.07	c ===============================================================================
0.04/0.07	c |         0 |    1673    25987    69839 |     8662        0    nan |  0.000 % |
0.04/0.10	c |       102 |    1673    25987    69839 |     9528      102     19 |  0.000 % |
0.09/0.12	c |       253 |    1664    25987    69839 |    10481      251     18 |  0.537 % |
0.09/0.15	c |       479 |    1664    25987    69839 |    11529      477     20 |  0.537 % |
0.09/0.18	c |       816 |    1664    25987    69839 |    12682      814     19 |  0.537 % |
0.19/0.21	c |      1325 |    1659    25987    69839 |    13950     1322     21 |  0.835 % |
0.19/0.26	c |      2085 |    1655    25682    69229 |    15345     2078     21 |  1.073 % |
0.29/0.33	c |      3224 |    1650    25682    69229 |    16880     3216     25 |  1.372 % |
0.39/0.44	c |      4933 |    1650    25682    69229 |    18568     4925     25 |  1.372 % |
0.59/0.64	c |      7495 |    1644    25603    69071 |    20425     7485     33 |  1.729 % |
1.09/1.16	c |     11339 |    1644    25603    69071 |    22467    11329     43 |  1.729 % |
2.10/2.12	c |     17108 |    1644    25510    68873 |    24714    17093     49 |  1.729 % |
4.69/4.79	c |     25758 |    1638    25455    68763 |    27186    13288     50 |  2.087 % |
9.09/9.19	c |     38734 |    1632    25341    68501 |    29904    26243     62 |  2.445 % |
17.08/17.18	c |     58195 |    1629    25311    68425 |    32895    15280     44 |  2.624 % |
17.18/17.24	c ===============================================================================
17.18/17.24	c surveys--CPU time (sec)   : 0.3060         (1.78 % of total)
17.18/17.24	c surveys--attempted        : 15             (49 /sec)
17.18/17.24	c surveys--converged        : 15             (100.00 % successful)
17.18/17.24	c restarts              : 15
17.18/17.24	c conflicts             : 58415          (3454 /sec)
17.18/17.24	c decisions             : 157747         (1.60 % random) (9328 /sec)
17.18/17.24	c propagations          : 6156941        (364091 /sec)
17.18/17.24	c conflict literals     : 3801616        (23.40 % deleted)
17.18/17.24	c Memory used           : 16.23 MB
17.18/17.24	c Total CPU time (sec)      : 17.2164     
17.18/17.24	c 
17.18/17.24	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-1561554-1238767098/watcher-1561554-1238767098 -o /tmp/evaluation-result-1561554-1238767098/solver-1561554-1238767098 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/varsat-industrial_static -seed=1917978472 HOME/instance-1561554-1238767098.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: 1.05 1.12 1.07 3/69 2450
/proc/meminfo: memFree=1774432/2055920 swapFree=4172392/4192956
[pid=2450] ppid=2448 vsize=2832 CPUtime=0
/proc/2450/stat : 2450 (varsat-industri) R 2448 2450 1600 0 -1 4194304 387 0 0 0 0 0 0 0 18 0 1 0 1149371509 2899968 372 1992294400 4194304 5102648 548682068768 18446744073709551615 4491703 0 0 4096 3 0 0 0 17 1 0 0
/proc/2450/statm: 708 373 87 221 0 484 0

[startup+0.046938 s]
/proc/loadavg: 1.05 1.12 1.07 3/69 2450
/proc/meminfo: memFree=1774432/2055920 swapFree=4172392/4192956
[pid=2450] ppid=2448 vsize=5860 CPUtime=0.04
/proc/2450/stat : 2450 (varsat-industri) R 2448 2450 1600 0 -1 4194304 1162 0 0 0 4 0 0 0 18 0 1 0 1149371509 6000640 1147 1992294400 4194304 5102648 548682068768 18446744073709551615 4273013 0 0 4096 3 0 0 0 17 1 0 0
/proc/2450/statm: 1465 1147 98 221 0 1241 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 5860

[startup+0.101941 s]
/proc/loadavg: 1.05 1.12 1.07 3/69 2450
/proc/meminfo: memFree=1774432/2055920 swapFree=4172392/4192956
[pid=2450] ppid=2448 vsize=5644 CPUtime=0.09
/proc/2450/stat : 2450 (varsat-industri) R 2448 2450 1600 0 -1 4194304 1230 0 0 0 9 0 0 0 18 0 1 0 1149371509 5779456 1112 1992294400 4194304 5102648 548682068768 18446744073709551615 4242179 0 0 4096 3 0 0 0 17 1 0 0
/proc/2450/statm: 1411 1112 115 221 0 1187 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5644

[startup+0.301959 s]
/proc/loadavg: 1.05 1.12 1.07 3/69 2450
/proc/meminfo: memFree=1774432/2055920 swapFree=4172392/4192956
[pid=2450] ppid=2448 vsize=5644 CPUtime=0.29
/proc/2450/stat : 2450 (varsat-industri) R 2448 2450 1600 0 -1 4194304 1231 0 0 0 29 0 0 0 19 0 1 0 1149371509 5779456 1113 1992294400 4194304 5102648 548682068768 18446744073709551615 4254628 0 0 4096 3 0 0 0 17 1 0 0
/proc/2450/statm: 1411 1113 115 221 0 1187 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5644

[startup+0.701993 s]
/proc/loadavg: 1.05 1.12 1.07 3/69 2450
/proc/meminfo: memFree=1774432/2055920 swapFree=4172392/4192956
[pid=2450] ppid=2448 vsize=6700 CPUtime=0.69
/proc/2450/stat : 2450 (varsat-industri) R 2448 2450 1600 0 -1 4194304 1510 0 0 0 69 0 0 0 22 0 1 0 1149371509 6860800 1392 1992294400 4194304 5102648 548682068768 18446744073709551615 4491703 0 0 4096 3 0 0 0 17 1 0 0
/proc/2450/statm: 1675 1392 115 221 0 1451 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6700

[startup+1.50106 s]
/proc/loadavg: 1.05 1.12 1.07 2/70 2451
/proc/meminfo: memFree=1768408/2055920 swapFree=4172392/4192956
[pid=2450] ppid=2448 vsize=8740 CPUtime=1.49
/proc/2450/stat : 2450 (varsat-industri) R 2448 2450 1600 0 -1 4194304 2012 0 0 0 148 1 0 0 25 0 1 0 1149371509 8949760 1894 1992294400 4194304 5102648 548682068768 18446744073709551615 4249867 0 0 4096 3 0 0 0 17 1 0 0
/proc/2450/statm: 2185 1894 115 221 0 1961 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 8740

[startup+3.1012 s]
/proc/loadavg: 1.05 1.12 1.07 2/70 2451
/proc/meminfo: memFree=1765912/2055920 swapFree=4172392/4192956
[pid=2450] ppid=2448 vsize=11412 CPUtime=3.09
/proc/2450/stat : 2450 (varsat-industri) R 2448 2450 1600 0 -1 4194304 2667 0 0 0 308 1 0 0 25 0 1 0 1149371509 11685888 2549 1992294400 4194304 5102648 548682068768 18446744073709551615 4250276 0 0 4096 3 0 0 0 17 1 0 0
/proc/2450/statm: 2853 2549 115 221 0 2629 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 11412

[startup+6.30149 s]
/proc/loadavg: 1.05 1.12 1.07 2/70 2451
/proc/meminfo: memFree=1762648/2055920 swapFree=4172392/4192956
[pid=2450] ppid=2448 vsize=13132 CPUtime=6.29
/proc/2450/stat : 2450 (varsat-industri) R 2448 2450 1600 0 -1 4194304 3103 0 0 0 627 2 0 0 25 0 1 0 1149371509 13447168 2985 1992294400 4194304 5102648 548682068768 18446744073709551615 4249744 0 0 4096 3 0 0 0 17 1 0 0
/proc/2450/statm: 3283 2985 115 221 0 3059 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 13132

[startup+12.701 s]
/proc/loadavg: 1.04 1.11 1.07 2/70 2451
/proc/meminfo: memFree=1759512/2055920 swapFree=4172392/4192956
[pid=2450] ppid=2448 vsize=16336 CPUtime=12.68
/proc/2450/stat : 2450 (varsat-industri) R 2448 2450 1600 0 -1 4194304 3876 0 0 0 1266 2 0 0 25 0 1 0 1149371509 16728064 3758 1992294400 4194304 5102648 548682068768 18446744073709551615 4249753 0 0 4096 3 0 0 0 17 1 0 0
/proc/2450/statm: 4084 3758 115 221 0 3860 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 16336

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

[startup+14.3062 s]
/proc/loadavg: 1.04 1.11 1.07 2/70 2451
/proc/meminfo: memFree=1759448/2055920 swapFree=4172392/4192956
[pid=2450] ppid=2448 vsize=16336 CPUtime=14.29
/proc/2450/stat : 2450 (varsat-industri) R 2448 2450 1600 0 -1 4194304 3889 0 0 0 1427 2 0 0 25 0 1 0 1149371509 16728064 3771 1992294400 4194304 5102648 548682068768 18446744073709551615 4249961 0 0 4096 3 0 0 0 17 1 0 0
/proc/2450/statm: 4084 3771 115 221 0 3860 0
Current children cumulated CPU time (s) 14.29
Current children cumulated vsize (KiB) 16336

[startup+15.9013 s]
/proc/loadavg: 1.04 1.11 1.07 2/70 2451
/proc/meminfo: memFree=1759384/2055920 swapFree=4172392/4192956
[pid=2450] ppid=2448 vsize=16476 CPUtime=15.88
/proc/2450/stat : 2450 (varsat-industri) R 2448 2450 1600 0 -1 4194304 3906 0 0 0 1586 2 0 0 25 0 1 0 1149371509 16871424 3788 1992294400 4194304 5102648 548682068768 18446744073709551615 4249945 0 0 4096 3 0 0 0 17 1 0 0
/proc/2450/statm: 4119 3788 115 221 0 3895 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 16476

[startup+16.7024 s]
/proc/loadavg: 1.04 1.11 1.07 2/70 2451
/proc/meminfo: memFree=1759384/2055920 swapFree=4172392/4192956
[pid=2450] ppid=2448 vsize=16476 CPUtime=16.68
/proc/2450/stat : 2450 (varsat-industri) R 2448 2450 1600 0 -1 4194304 3921 0 0 0 1666 2 0 0 25 0 1 0 1149371509 16871424 3803 1992294400 4194304 5102648 548682068768 18446744073709551615 4249744 0 0 4096 3 0 0 0 17 1 0 0
/proc/2450/statm: 4119 3803 115 221 0 3895 0
Current children cumulated CPU time (s) 16.68
Current children cumulated vsize (KiB) 16476

[startup+17.1014 s]
/proc/loadavg: 1.04 1.11 1.07 2/70 2451
/proc/meminfo: memFree=1759384/2055920 swapFree=4172392/4192956
[pid=2450] ppid=2448 vsize=16620 CPUtime=17.08
/proc/2450/stat : 2450 (varsat-industri) R 2448 2450 1600 0 -1 4194304 3948 0 0 0 1706 2 0 0 25 0 1 0 1149371509 17018880 3830 1992294400 4194304 5102648 548682068768 18446744073709551615 4249876 0 0 4096 3 0 0 0 17 1 0 0
/proc/2450/statm: 4155 3830 115 221 0 3931 0
Current children cumulated CPU time (s) 17.08
Current children cumulated vsize (KiB) 16620

[startup+17.2014 s]
/proc/loadavg: 1.04 1.11 1.07 2/70 2451
/proc/meminfo: memFree=1759384/2055920 swapFree=4172392/4192956
[pid=2450] ppid=2448 vsize=16620 CPUtime=17.18
/proc/2450/stat : 2450 (varsat-industri) R 2448 2450 1600 0 -1 4194304 3954 0 0 0 1716 2 0 0 25 0 1 0 1149371509 17018880 3836 1992294400 4194304 5102648 548682068768 18446744073709551615 4249744 0 0 4096 3 0 0 0 17 1 0 0
/proc/2450/statm: 4155 3836 115 221 0 3931 0
Current children cumulated CPU time (s) 17.18
Current children cumulated vsize (KiB) 16620

Child status: 10
Real time (s): 17.2527
CPU time (s): 17.2484
CPU user time (s): 17.2174
CPU system time (s): 0.030995
CPU usage (%): 99.9751
Max. virtual memory (cumulated for all children) (KiB): 16620

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 17.2174
system time used= 0.030995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3959
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= 25

runsolver used 0.020996 second user time and 0.051992 second system time

The end

Launcher Data 

Begin job on node58 at 2009-04-03 15:58:18
IDJOB=1561554
IDBENCH=70917
IDSOLVER=538
FILE ID=node58/1561554-1238767098
PBS_JOBID= 9085456
Free space on /tmp= 66560 MiB

SOLVER NAME= VARSAT-industrial 2009-03-22
BENCH NAME= SAT09/APPLICATIONS/edgematching/explicit/em_7_4_9_exp.cnf
COMMAND LINE= HOME/varsat-industrial_static -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561554-1238767098/watcher-1561554-1238767098 -o /tmp/evaluation-result-1561554-1238767098/solver-1561554-1238767098 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/varsat-industrial_static -seed=1917978472 HOME/instance-1561554-1238767098.cnf

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

MD5SUM BENCH= 4b407f7d85e83c60fceae64b7f0e6e1f
RANDOM SEED=1917978472

node58.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		: 3000.222
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		: 3000.222
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:       1774848 kB
Buffers:         69664 kB
Cached:         135096 kB
SwapCached:      10256 kB
Active:          49684 kB
Inactive:       166856 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1774848 kB
SwapTotal:     4192956 kB
SwapFree:      4172392 kB
Dirty:            1420 kB
Writeback:           0 kB
Mapped:          17436 kB
Slab:            50024 kB
Committed_AS:  2811708 kB
PageTables:       1764 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= 66560 MiB
End job on node58 at 2009-04-03 15:58:36