Trace number 370073

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, and are wall clock time (not CPU 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
CMUSAT 2007-02-08SAT 27.0939 27.1037

General information on the benchmark

Namecrafted/Medium/contest05/pebbling/
sat-pbl-00400.sat05-1322.reshuffled-07.cnf
MD5SUM29cf0f53dfca3fe2e94789628bed3971
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark3.41648
Satisfiable
(Un)Satisfiability was proved
Number of variables1497
Number of clauses73374
Sum of the clauses size615277
Maximum clause length11
Minimum clause length1
Number of clauses of size 16
Number of clauses of size 242
Number of clauses of size 3337
Number of clauses of size 4413
Number of clauses of size 53127
Number of clauses of size over 569449

Solver Data (download as text)

0.00/0.00	c Pre-processing provided 0 assignments
0.00/0.00	c |  Number of variables:  1497                                                 |
0.09/0.18	c |  Number of clauses:    73374                                                |
26.98/27.09	c |  Parsing time:         0.17         sec                                       |
26.98/27.09	c #varS 1497 #clauseS 0
26.98/27.09	c REMAP internally 1
26.98/27.09	c After remapping new number of variables: 0
26.98/27.09	c After partial model completion 57 assignments
26.98/27.09	c REMAP internally 0
26.98/27.09	c Number of variables:  1497
26.98/27.09	c Number of clauses:    73374
26.98/27.09	c DBreduced=0 GV=102[0]  GL=73470[ 73368,102] Prune=5128 decisions=5025 restart=0 est=3.80766 DB Impl=1745[0]  
26.98/27.09	c DBreduced=0 GV=151[0]  GL=73519[ 73368,151] Prune=7023 decisions=6871 restart=1 est=3.80766 DB Impl=2340[0]  
26.98/27.09	c DBreduced=0 GV=227[0]  GL=73595[ 73368,227] Prune=7331 decisions=7103 restart=2 est=3.80766 DB Impl=2616[0]  
26.98/27.09	c DBreduced=0 GV=338[0]  GL=73706[ 73368,338] Prune=8994 decisions=8655 restart=3 est=3.80766 DB Impl=3581[0]  
26.98/27.09	c DBreduced=0 GV=507[0]  GL=73875[ 73368,507] Prune=9553 decisions=9045 restart=4 est=3.80766 DB Impl=4504[0]  
26.98/27.09	c DBreduced=0 GV=760[0]  GL=74127[ 73368,759] Prune=12117 decisions=11356 restart=5 est=3.87446 DB Impl=6086[0]  
26.98/27.09	c DBreduced=0 GV=1141[0]  GL=74508[ 73368,1140] Prune=13114 decisions=11972 restart=6 est=3.87446 DB Impl=7758[0]  
26.98/27.09	c DBreduced=0 GV=1710[0]  GL=75077[ 73368,1709] Prune=15476 decisions=13765 restart=7 est=3.87446 DB Impl=10547[0]  
26.98/27.09	c DBreduced=0 GV=2564[0]  GL=75931[ 73368,2563] Prune=18533 decisions=15968 restart=8 est=3.87446 DB Impl=15778[0]  
26.98/27.09	c DBreduced=0 GV=3846[0]  GL=77213[ 73368,3845] Prune=31391 decisions=27544 restart=9 est=3.87446 DB Impl=24633[0]  
26.98/27.09	c DBreduced=0 GV=5769[0]  GL=79136[ 73368,5768] Prune=38805 decisions=33035 restart=10 est=3.87446 DB Impl=36354[0]  
26.98/27.09	c DBreduced=0 GV=8651[0]  GL=82018[ 73368,8650] Prune=48524 decisions=39872 restart=11 est=3.87446 DB Impl=58281[0]  
26.98/27.09	c DBreduced=0 GV=12975[0]  GL=86342[ 73368,12974] Prune=67490 decisions=54514 restart=12 est=3.87446 DB Impl=84721[0]  
26.98/27.09	c DBreduced=0 GV=19462[0]  GL=92829[ 73368,19461] Prune=90154 decisions=70691 restart=13 est=3.87446 DB Impl=121968[0]  
26.98/27.09	c DBreduced=1 GV=29194[0]  GL=99856[ 73368,26488] Prune=129745 decisions=100550 restart=14 est=3.87446 DB Impl=169870[0]  
26.98/27.09	c DBreduced=2 GV=43791[0]  GL=101692[ 73368,28324] Prune=173028 decisions=129236 restart=15 est=3.87446 DB Impl=269245[0]  
26.98/27.09	c DBreduced=4 GV=65686[0]  GL=98154[ 73368,24786] Prune=262803 decisions=197116 restart=16 est=3.87446 DB Impl=445914[0]  
26.98/27.09	c DBreduced=6 GV=98527[0]  GL=101266[ 73368,27898] Prune=362925 decisions=264397 restart=17 est=3.87446 DB Impl=659586[0]  
26.98/27.09	c DBreduced=8 GV=147791[0]  GL=114491[ 73368,41123] Prune=592074 decisions=444282 restart=18 est=3.94126 DB Impl=1074822[0]  
26.98/27.09	c DBreduced=11 GV=221684[0]  GL=119933[ 73368,46565] Prune=819457 decisions=597772 restart=19 est=3.94126 DB Impl=1538604[0]  
26.98/27.09	c #Total time (in seconds): 27.0139
26.98/27.09	c #Memory used (in MB): 36.207
26.98/27.09	c 
26.98/27.09	s SATISFIABLE
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Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node11/watcher-370073-1177551904 -o ROOT/results/node11/solver-370073-1177551904 -C 5000 -W 7500 -M 1800 --output-limit 1,15 /tmp/evaluation/370073-1177551904/cmusat /tmp/evaluation/370073-1177551904/instance-370073-1177551904.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): 7500 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: 0.87 0.94 0.90 3/77 9897
/proc/meminfo: memFree=1701112/2055920 swapFree=4146740/4192956
[pid=9897] ppid=9895 vsize=2316 CPUtime=0
/proc/9897/stat : 9897 (cmusat) R 9895 9897 9299 0 -1 4194304 442 0 0 0 0 0 0 0 18 0 1 0 196239418 2371584 426 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134532014 0 0 4096 35 0 0 0 17 1 0 0
/proc/9897/statm: 579 426 96 243 0 333 0

[startup+0.0821069 s]
/proc/loadavg: 0.87 0.94 0.90 3/77 9897
/proc/meminfo: memFree=1701112/2055920 swapFree=4146740/4192956
[pid=9897] ppid=9895 vsize=5664 CPUtime=0.07
/proc/9897/stat : 9897 (cmusat) R 9895 9897 9299 0 -1 4194304 1234 0 0 0 7 0 0 0 18 0 1 0 196239418 5799936 1218 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134531925 0 0 4096 35 0 0 0 17 1 0 0
/proc/9897/statm: 1416 1219 96 243 0 1170 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 5664

[startup+0.101108 s]
/proc/loadavg: 0.87 0.94 0.90 3/77 9897
/proc/meminfo: memFree=1701112/2055920 swapFree=4146740/4192956
[pid=9897] ppid=9895 vsize=6336 CPUtime=0.09
/proc/9897/stat : 9897 (cmusat) R 9895 9897 9299 0 -1 4194304 1438 0 0 0 9 0 0 0 18 0 1 0 196239418 6488064 1422 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/9897/statm: 1584 1422 96 243 0 1338 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6336

[startup+0.301132 s]
/proc/loadavg: 0.87 0.94 0.90 3/77 9897
/proc/meminfo: memFree=1701112/2055920 swapFree=4146740/4192956
[pid=9897] ppid=9895 vsize=10180 CPUtime=0.29
/proc/9897/stat : 9897 (cmusat) R 9895 9897 9299 0 -1 4194304 2371 0 0 0 28 1 0 0 19 0 1 0 196239418 10424320 2355 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134530549 0 0 4096 35 0 0 0 17 1 0 0
/proc/9897/statm: 2545 2355 108 243 0 2299 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10180

[startup+0.701179 s]
/proc/loadavg: 0.87 0.94 0.90 3/77 9897
/proc/meminfo: memFree=1701112/2055920 swapFree=4146740/4192956
[pid=9897] ppid=9895 vsize=10180 CPUtime=0.69
/proc/9897/stat : 9897 (cmusat) R 9895 9897 9299 0 -1 4194304 2371 0 0 0 68 1 0 0 22 0 1 0 196239418 10424320 2355 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134530328 0 0 4096 35 0 0 0 17 1 0 0
/proc/9897/statm: 2545 2355 108 243 0 2299 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10180

[startup+1.50127 s]
/proc/loadavg: 0.87 0.94 0.90 2/78 9898
/proc/meminfo: memFree=1692016/2055920 swapFree=4146740/4192956
[pid=9897] ppid=9895 vsize=11104 CPUtime=1.49
/proc/9897/stat : 9897 (cmusat) R 9895 9897 9299 0 -1 4194304 2618 0 0 0 148 1 0 0 25 0 1 0 196239418 11370496 2602 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134530504 0 0 4096 35 0 0 0 17 1 0 0
/proc/9897/statm: 2776 2602 109 243 0 2530 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 11104

[startup+3.10146 s]
/proc/loadavg: 0.87 0.94 0.90 2/78 9898
/proc/meminfo: memFree=1685488/2055920 swapFree=4146740/4192956
[pid=9897] ppid=9895 vsize=21776 CPUtime=3.09
/proc/9897/stat : 9897 (cmusat) R 9895 9897 9299 0 -1 4194304 5063 0 0 0 307 2 0 0 25 0 1 0 196239418 22298624 5047 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134530504 0 0 4096 35 0 0 0 17 1 0 0
/proc/9897/statm: 5444 5047 109 243 0 5198 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 21776

[startup+6.30184 s]
/proc/loadavg: 0.88 0.94 0.90 2/78 9898
/proc/meminfo: memFree=1678832/2055920 swapFree=4146740/4192956
[pid=9897] ppid=9895 vsize=24368 CPUtime=6.28
/proc/9897/stat : 9897 (cmusat) R 9895 9897 9299 0 -1 4194304 5829 0 0 0 626 2 0 0 25 0 1 0 196239418 24952832 5813 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134530482 0 0 4096 35 0 0 0 17 1 0 0
/proc/9897/statm: 6092 5813 109 243 0 5846 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 24368

[startup+12.7016 s]
/proc/loadavg: 0.89 0.94 0.90 2/78 9898
/proc/meminfo: memFree=1679152/2055920 swapFree=4146740/4192956
[pid=9897] ppid=9895 vsize=22672 CPUtime=12.69
/proc/9897/stat : 9897 (cmusat) R 9895 9897 9299 0 -1 4194304 6419 0 0 0 1265 4 0 0 25 0 1 0 196239418 23216128 5529 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134591296 0 0 4096 35 0 0 0 17 1 0 0
/proc/9897/statm: 5668 5529 119 243 0 5422 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 22672

[startup+25.5011 s]
/proc/loadavg: 0.92 0.94 0.90 2/78 9898
/proc/meminfo: memFree=1665840/2055920 swapFree=4146740/4192956
[pid=9897] ppid=9895 vsize=36872 CPUtime=25.48
/proc/9897/stat : 9897 (cmusat) R 9895 9897 9299 0 -1 4194304 11054 0 0 0 2542 6 0 0 25 0 1 0 196239418 37756928 9004 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/9897/statm: 9218 9004 119 243 0 8972 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 36872

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

[startup+26.3012 s]
/proc/loadavg: 0.92 0.94 0.90 2/78 9898
/proc/meminfo: memFree=1665072/2055920 swapFree=4146740/4192956
[pid=9897] ppid=9895 vsize=37076 CPUtime=26.29
/proc/9897/stat : 9897 (cmusat) R 9895 9897 9299 0 -1 4194304 11362 0 0 0 2622 7 0 0 25 0 1 0 196239418 37965824 9053 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134591582 0 0 4096 35 0 0 0 17 1 0 0
/proc/9897/statm: 9269 9053 119 243 0 9023 0
Current children cumulated CPU time (s) 26.29
Current children cumulated vsize (KiB) 37076

[startup+26.7013 s]
/proc/loadavg: 0.92 0.94 0.90 2/78 9898
/proc/meminfo: memFree=1665072/2055920 swapFree=4146740/4192956
[pid=9897] ppid=9895 vsize=37076 CPUtime=26.68
/proc/9897/stat : 9897 (cmusat) R 9895 9897 9299 0 -1 4194304 11379 0 0 0 2661 7 0 0 25 0 1 0 196239418 37965824 9070 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134589690 0 0 4096 35 0 0 0 17 1 0 0
/proc/9897/statm: 9269 9070 119 243 0 9023 0
Current children cumulated CPU time (s) 26.68
Current children cumulated vsize (KiB) 37076

[startup+27.1015 s]
/proc/loadavg: 0.92 0.94 0.90 2/78 9898
/proc/meminfo: memFree=1665072/2055920 swapFree=4146740/4192956
[pid=9897] ppid=9895 vsize=0 CPUtime=27.08
/proc/9897/stat : 9897 (cmusat) R 9895 9897 9299 0 -1 4194308 11396 0 0 0 2701 7 0 0 17 0 1 0 196239418 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 35 0 0 0 17 0 0 0
/proc/9897/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 27.08
Current children cumulated vsize (KiB) 0

Child status: 10
Real time (s): 27.1037
CPU time (s): 27.0939
CPU user time (s): 27.0149
CPU system time (s): 0.078987
CPU usage (%): 99.9639
Max. virtual memory (cumulated for all children) (KiB): 37076

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 27.0149
system time used= 0.078987
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 11396
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= 11
involuntary context switches= 46

runsolver used 0.024996 second user time and 0.06499 second system time

The end

Launcher Data (download as text)

Begin job on node11 on Thu Apr 26 01:45:05 UTC 2007

IDJOB= 370073
IDBENCH= 24584
IDSOLVER= 182
FILE ID= node11/370073-1177551904

PBS_JOBID= 4696599

Free space on /tmp= 66346 MiB

SOLVER NAME= CMUSAT 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/pebbling/sat-pbl-00400.sat05-1322.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/370073-1177551904/cmusat /tmp/evaluation/370073-1177551904/instance-370073-1177551904.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node11/watcher-370073-1177551904 -o ROOT/results/node11/solver-370073-1177551904 -C 5000 -W 7500 -M 1800 --output-limit 1,15  /tmp/evaluation/370073-1177551904/cmusat /tmp/evaluation/370073-1177551904/instance-370073-1177551904.cnf            

META MD5SUM SOLVER= d41d8cd98f00b204e9800998ecf8427e
MD5SUM BENCH=  29cf0f53dfca3fe2e94789628bed3971

RANDOM SEED= 114712355

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB

Linux node11.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.235
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		: 3000.235
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:       1701520 kB
Buffers:         41456 kB
Cached:         228732 kB
SwapCached:      15344 kB
Active:         197024 kB
Inactive:       111300 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1701520 kB
SwapTotal:     4192956 kB
SwapFree:      4146740 kB
Dirty:            5520 kB
Writeback:           0 kB
Mapped:          43924 kB
Slab:            31496 kB
Committed_AS:  6396676 kB
PageTables:       1880 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= 66346 MiB

End job on node11 on Thu Apr 26 01:45:32 UTC 2007