Trace number 1562029

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 31.3932 31.4033

General information on the benchmark

NameCRAFTED/
edgematching/all/em_7_3_6_all.cnf
MD5SUM3264a66e18d5550049c950d1156ee464
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.524919
Satisfiable
(Un)Satisfiability was proved
Number of variables1473
Number of clauses30387
Sum of the clauses size75224
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 221205
Number of clauses of size 37024
Number of clauses of size 4708
Number of clauses of size 51300
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:          1473                                         |
0.00/0.02	c |  Number of clauses:           30387                                         |
0.00/0.02	c |  Parse time:                   0.02 s                                       |
0.03/0.08	c |  Simplification time:          0.06 s                                       |
0.03/0.08	c |                                                                             |
0.03/0.08	c ============================[ Search Statistics ]==============================
0.03/0.08	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.03/0.08	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.03/0.08	c ===============================================================================
0.03/0.08	c |       100 |    1453    30037    74210 |    11013       99     28 |  0.815 % |
0.03/0.09	c |       250 |    1441    30037    74210 |    12114      248     39 |  1.629 % |
0.09/0.10	c |       475 |    1441    30037    74210 |    13326      473     47 |  1.629 % |
0.09/0.11	c |       812 |    1417    30037    74210 |    14659      808     42 |  3.259 % |
0.09/0.13	c |      1318 |    1416    29092    72320 |    16124     1313     44 |  3.327 % |
0.09/0.17	c |      2077 |    1416    29092    72320 |    17737     2072     45 |  3.327 % |
0.19/0.23	c |      3216 |    1415    29061    72232 |    19511     3209     52 |  3.394 % |
0.29/0.32	c |      4924 |    1411    29061    72232 |    21462     4916     51 |  3.666 % |
0.39/0.48	c |      7486 |    1409    28992    72094 |    23608     7475     57 |  3.802 % |
0.69/0.76	c |     11330 |    1404    28894    71898 |    25969    11312     59 |  4.141 % |
1.29/1.30	c |     17096 |    1399    28894    71898 |    28566    17075     62 |  4.481 % |
2.29/2.35	c |     25745 |    1398    28777    71664 |    31422    25723     62 |  4.549 % |
4.09/4.12	c |     38719 |    1397    28746    71576 |    34565    22861     55 |  4.616 % |
7.08/7.15	c |     58180 |    1395    28726    71536 |    38021    24990     58 |  4.752 % |
12.29/12.34	c |     87372 |    1392    28622    71302 |    41824    34926     63 |  4.956 % |
21.09/21.10	c |    131161 |    1391    28606    71270 |    46006    36557     63 |  5.024 % |
31.29/31.39	c ===============================================================================
31.29/31.39	c restarts              : 482
31.29/31.39	c conflicts             : 175560         (5602 /sec)
31.29/31.39	c decisions             : 489131         (15609 /sec)
31.29/31.39	c propagations          : 20102786       (641519 /sec)
31.29/31.39	c conflict literals     : 14114819       (24.62 % deleted)
31.29/31.39	c Memory used           : 32.88 MB
31.29/31.39	c CPU time              : 31.3362 s
31.29/31.39	c 
31.29/31.39	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-1562029-1238770075/watcher-1562029-1238770075 -o /tmp/evaluation-result-1562029-1238770075/solver-1562029-1238770075 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/minisat HOME/instance-1562029-1238770075.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: 0.98 0.97 1.00 3/65 20042
/proc/meminfo: memFree=1812448/2055920 swapFree=4178736/4192956
[pid=20042] ppid=20040 vsize=7600 CPUtime=0
/proc/20042/stat : 20042 (minisat) R 20040 20042 19924 0 -1 4194304 306 0 0 0 0 0 0 0 18 0 1 0 503341406 7782400 290 1992294400 4194304 5092341 548682068848 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 1 0 0
/proc/20042/statm: 1900 290 63 219 0 1678 0

[startup+0.035601 s]
/proc/loadavg: 0.98 0.97 1.00 3/65 20042
/proc/meminfo: memFree=1812448/2055920 swapFree=4178736/4192956
[pid=20042] ppid=20040 vsize=8900 CPUtime=0.03
/proc/20042/stat : 20042 (minisat) R 20040 20042 19924 0 -1 4194304 771 0 0 0 3 0 0 0 18 0 1 0 503341406 9113600 755 1992294400 4194304 5092341 548682068848 18446744073709551615 4219798 0 0 4096 3 0 0 0 17 1 0 0
/proc/20042/statm: 2225 755 88 219 0 2003 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 8900

[startup+0.101609 s]
/proc/loadavg: 0.98 0.97 1.00 3/65 20042
/proc/meminfo: memFree=1812448/2055920 swapFree=4178736/4192956
[pid=20042] ppid=20040 vsize=8736 CPUtime=0.09
/proc/20042/stat : 20042 (minisat) R 20040 20042 19924 0 -1 4194304 908 0 0 0 9 0 0 0 18 0 1 0 503341406 8945664 717 1992294400 4194304 5092341 548682068848 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/20042/statm: 2184 717 102 219 0 1962 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8736

[startup+0.301632 s]
/proc/loadavg: 0.98 0.97 1.00 3/65 20042
/proc/meminfo: memFree=1812448/2055920 swapFree=4178736/4192956
[pid=20042] ppid=20040 vsize=8736 CPUtime=0.29
/proc/20042/stat : 20042 (minisat) R 20040 20042 19924 0 -1 4194304 1124 0 0 0 29 0 0 0 19 0 1 0 503341406 8945664 933 1992294400 4194304 5092341 548682068848 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/20042/statm: 2184 933 103 219 0 1962 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8736

[startup+0.701676 s]
/proc/loadavg: 0.98 0.97 1.00 3/65 20042
/proc/meminfo: memFree=1812448/2055920 swapFree=4178736/4192956
[pid=20042] ppid=20040 vsize=9132 CPUtime=0.69
/proc/20042/stat : 20042 (minisat) R 20040 20042 19924 0 -1 4194304 1585 0 0 0 69 0 0 0 22 0 1 0 503341406 9351168 1394 1992294400 4194304 5092341 548682068848 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/20042/statm: 2283 1394 103 219 0 2061 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9132

[startup+1.50177 s]
/proc/loadavg: 0.98 0.97 1.00 2/66 20043
/proc/meminfo: memFree=1805976/2055920 swapFree=4178736/4192956
[pid=20042] ppid=20040 vsize=9868 CPUtime=1.49
/proc/20042/stat : 20042 (minisat) R 20040 20042 19924 0 -1 4194304 2311 0 0 0 149 0 0 0 25 0 1 0 503341406 10104832 2120 1992294400 4194304 5092341 548682068848 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/20042/statm: 2467 2120 103 219 0 2245 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9868

[startup+3.10195 s]
/proc/loadavg: 0.98 0.97 1.00 2/66 20043
/proc/meminfo: memFree=1802520/2055920 swapFree=4178736/4192956
[pid=20042] ppid=20040 vsize=17264 CPUtime=3.09
/proc/20042/stat : 20042 (minisat) R 20040 20042 19924 0 -1 4194304 3349 0 0 0 308 1 0 0 25 0 1 0 503341406 17678336 3158 1992294400 4194304 5092341 548682068848 18446744073709551615 4244070 0 0 4096 3 0 0 0 17 1 0 0
/proc/20042/statm: 4316 3158 103 219 0 4094 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 17264

[startup+6.30131 s]
/proc/loadavg: 0.98 0.97 1.00 2/66 20043
/proc/meminfo: memFree=1795032/2055920 swapFree=4178736/4192956
[pid=20042] ppid=20040 vsize=30420 CPUtime=6.29
/proc/20042/stat : 20042 (minisat) R 20040 20042 19924 0 -1 4194304 8072 0 0 0 626 3 0 0 25 0 1 0 503341406 31150080 5760 1992294400 4194304 5092341 548682068848 18446744073709551615 4249968 0 0 4096 3 0 0 0 17 1 0 0
/proc/20042/statm: 7605 5760 103 219 0 7383 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 30420

[startup+12.701 s]
/proc/loadavg: 0.99 0.97 1.00 2/66 20043
/proc/meminfo: memFree=1784424/2055920 swapFree=4178736/4192956
[pid=20042] ppid=20040 vsize=30420 CPUtime=12.69
/proc/20042/stat : 20042 (minisat) R 20040 20042 19924 0 -1 4194304 9323 0 0 0 1265 4 0 0 25 0 1 0 503341406 31150080 7011 1992294400 4194304 5092341 548682068848 18446744073709551615 4240989 0 0 4096 3 0 0 0 17 1 0 0
/proc/20042/statm: 7605 7011 103 219 0 7383 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 30420

[startup+25.5015 s]
/proc/loadavg: 0.99 0.97 1.00 2/66 20043
/proc/meminfo: memFree=1780072/2055920 swapFree=4178736/4192956
[pid=20042] ppid=20040 vsize=33664 CPUtime=25.49
/proc/20042/stat : 20042 (minisat) R 20040 20042 19924 0 -1 4194304 10408 0 0 0 2544 5 0 0 25 0 1 0 503341406 34471936 8096 1992294400 4194304 5092341 548682068848 18446744073709551615 4240650 0 0 4096 3 0 0 0 17 1 0 0
/proc/20042/statm: 8416 8096 103 219 0 8194 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 33664

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

[startup+28.7019 s]
/proc/loadavg: 0.99 0.97 1.00 2/66 20043
/proc/meminfo: memFree=1780072/2055920 swapFree=4178736/4192956
[pid=20042] ppid=20040 vsize=33664 CPUtime=28.69
/proc/20042/stat : 20042 (minisat) R 20040 20042 19924 0 -1 4194304 10408 0 0 0 2864 5 0 0 25 0 1 0 503341406 34471936 8096 1992294400 4194304 5092341 548682068848 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/20042/statm: 8416 8096 103 219 0 8194 0
Current children cumulated CPU time (s) 28.69
Current children cumulated vsize (KiB) 33664

[startup+30.301 s]
/proc/loadavg: 0.99 0.97 1.00 2/66 20043
/proc/meminfo: memFree=1780072/2055920 swapFree=4178736/4192956
[pid=20042] ppid=20040 vsize=33664 CPUtime=30.29
/proc/20042/stat : 20042 (minisat) R 20040 20042 19924 0 -1 4194304 10408 0 0 0 3024 5 0 0 25 0 1 0 503341406 34471936 8096 1992294400 4194304 5092341 548682068848 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/20042/statm: 8416 8096 103 219 0 8194 0
Current children cumulated CPU time (s) 30.29
Current children cumulated vsize (KiB) 33664

[startup+31.1011 s]
/proc/loadavg: 0.99 0.97 1.00 2/66 20043
/proc/meminfo: memFree=1780072/2055920 swapFree=4178736/4192956
[pid=20042] ppid=20040 vsize=33664 CPUtime=31.09
/proc/20042/stat : 20042 (minisat) R 20040 20042 19924 0 -1 4194304 10408 0 0 0 3104 5 0 0 25 0 1 0 503341406 34471936 8096 1992294400 4194304 5092341 548682068848 18446744073709551615 4241095 0 0 4096 3 0 0 0 17 1 0 0
/proc/20042/statm: 8416 8096 103 219 0 8194 0
Current children cumulated CPU time (s) 31.09
Current children cumulated vsize (KiB) 33664

[startup+31.3011 s]
/proc/loadavg: 0.99 0.97 1.00 2/66 20043
/proc/meminfo: memFree=1780072/2055920 swapFree=4178736/4192956
[pid=20042] ppid=20040 vsize=33664 CPUtime=31.29
/proc/20042/stat : 20042 (minisat) R 20040 20042 19924 0 -1 4194304 10408 0 0 0 3124 5 0 0 25 0 1 0 503341406 34471936 8096 1992294400 4194304 5092341 548682068848 18446744073709551615 4240640 0 0 4096 3 0 0 0 17 1 0 0
/proc/20042/statm: 8416 8096 103 219 0 8194 0
Current children cumulated CPU time (s) 31.29
Current children cumulated vsize (KiB) 33664

[startup+31.4012 s]
/proc/loadavg: 0.99 0.97 1.00 2/66 20043
/proc/meminfo: memFree=1780072/2055920 swapFree=4178736/4192956
[pid=20042] ppid=20040 vsize=0 CPUtime=31.38
/proc/20042/stat : 20042 (minisat) R 20040 20042 19924 0 -1 4194308 10418 0 0 0 3133 5 0 0 25 0 1 0 503341406 0 0 1992294400 0 0 0 0 0 0 0 4096 3 0 0 0 17 1 0 0
/proc/20042/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 31.38
Current children cumulated vsize (KiB) 0

Child status: 10
Real time (s): 31.4033
CPU time (s): 31.3932
CPU user time (s): 31.3372
CPU system time (s): 0.055991
CPU usage (%): 99.968
Max. virtual memory (cumulated for all children) (KiB): 33664

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 31.3372
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= 10418
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= 29

runsolver used 0.041993 second user time and 0.078987 second system time

The end

Launcher Data 

Begin job on node32 at 2009-04-03 16:47:56
IDJOB=1562029
IDBENCH=70926
IDSOLVER=546
FILE ID=node32/1562029-1238770075
PBS_JOBID= 9085557
Free space on /tmp= 66552 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT09/APPLICATIONS/edgematching/all/em_7_3_6_all.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1562029-1238770075/watcher-1562029-1238770075 -o /tmp/evaluation-result-1562029-1238770075/solver-1562029-1238770075 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/minisat HOME/instance-1562029-1238770075.cnf

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

MD5SUM BENCH= 3264a66e18d5550049c950d1156ee464
RANDOM SEED=1408322358

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:       1812864 kB
Buffers:         33248 kB
Cached:         122608 kB
SwapCached:       7344 kB
Active:          40016 kB
Inactive:       124636 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1812864 kB
SwapTotal:     4192956 kB
SwapFree:      4178736 kB
Dirty:            1544 kB
Writeback:           0 kB
Mapped:          14480 kB
Slab:            64100 kB
Committed_AS:  1874808 kB
PageTables:       1488 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= 66552 MiB
End job on node32 at 2009-04-03 16:48:27