Trace number 333081

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 4.94825 4.95506

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
MD5SUM74af041eb51b172e799baf4bb7eaa52f
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.43863
Satisfiable
(Un)Satisfiability was proved
Number of variables2737
Number of clauses18375
Sum of the clauses size129048
Maximum clause length13
Minimum clause length1
Number of clauses of size 149
Number of clauses of size 2491
Number of clauses of size 32419
Number of clauses of size 4526
Number of clauses of size 5691
Number of clauses of size over 514199

Solver Data (download as text)

0.00/0.00	c Pre-processing provided 0 assignments
0.00/0.00	c |  Number of variables:  2737                                                 |
0.00/0.04	c |  Number of clauses:    18375                                                |
4.88/4.94	c |  Parsing time:         0.04         sec                                       |
4.88/4.94	c #varS 2737 #clauseS 12073
4.88/4.94	c REMAP internally 1
4.88/4.94	c After remapping new number of variables: 2132
4.88/4.94	c DBreduced=0 GV=101[0]  GL=12174[ 12073,101] Prune=757 decisions=656 restart=0 est=4.40106e-05 DB Impl=4529[0]  
4.88/4.94	c DBreduced=0 GV=151[0]  GL=12224[ 12073,151] Prune=922 decisions=771 restart=1 est=0.000308126 DB Impl=5993[0]  
4.88/4.94	c DBreduced=0 GV=226[0]  GL=12299[ 12073,226] Prune=1188 decisions=962 restart=2 est=0.000154011 DB Impl=7717[0]  
4.88/4.94	c DBreduced=0 GV=338[0]  GL=12411[ 12073,338] Prune=1424 decisions=1086 restart=3 est=0.000198156 DB Impl=9741[0]  
4.88/4.94	c DBreduced=0 GV=508[0]  GL=12581[ 12073,508] Prune=1806 decisions=1298 restart=4 est=2.21137e-05 DB Impl=12820[0]  
4.88/4.94	c DBreduced=0 GV=760[0]  GL=12833[ 12073,760] Prune=2510 decisions=1750 restart=5 est=0.000264311 DB Impl=18221[0]  
4.88/4.94	c DBreduced=0 GV=1140[0]  GL=13213[ 12073,1140] Prune=3594 decisions=2454 restart=6 est=0.000264084 DB Impl=27468[0]  
4.88/4.94	c DBreduced=0 GV=1709[0]  GL=13782[ 12073,1709] Prune=5761 decisions=4052 restart=7 est=0.000308095 DB Impl=41798[0]  
4.88/4.94	c DBreduced=0 GV=2564[0]  GL=14637[ 12073,2564] Prune=8396 decisions=5832 restart=8 est=0.000374126 DB Impl=63854[0]  
4.88/4.94	c DBreduced=0 GV=3845[0]  GL=15918[ 12073,3845] Prune=13733 decisions=9888 restart=9 est=0.000308136 DB Impl=101729[0]  
4.88/4.94	c DBreduced=1 GV=5767[0]  GL=16960[ 12073,4887] Prune=19628 decisions=13861 restart=10 est=0.000308095 DB Impl=166300[0]  
4.88/4.94	c DBreduced=3 GV=8650[0]  GL=15395[ 12073,3322] Prune=29238 decisions=20588 restart=11 est=0.000242332 DB Impl=267910[0]  
4.88/4.94	c DBreduced=4 GV=12975[0]  GL=17689[ 12073,5616] Prune=40841 decisions=27866 restart=12 est=0.000286043 DB Impl=478597[0]  
4.88/4.94	c DBreduced=6 GV=19462[0]  GL=18912[ 12073,6839] Prune=72180 decisions=52718 restart=13 est=0.000308167 DB Impl=760120[0]  
4.88/4.94	c DBreduced=9 GV=29194[0]  GL=19321[ 12073,7248] Prune=97583 decisions=68389 restart=14 est=0.000352168 DB Impl=1248666[0]  
4.88/4.94	c DBreduced=12 GV=43790[0]  GL=22022[ 12073,9949] Prune=133165 decisions=89375 restart=15 est=0.000352157 DB Impl=2110367[0]  
4.88/4.94	c After partial model completion 2189 assignments
4.88/4.94	c REMAP internally 0
4.88/4.94	c Number of variables:  2737
4.88/4.94	c Number of clauses:    18375
4.88/4.94	c #Total time (in seconds): 4.93625
4.88/4.94	c #Memory used (in MB): 6.79297
4.88/4.94	c 
4.88/4.94	s SATISFIABLE
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Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.1 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node2/watcher-333081-1173501447 -o ROOT/results/node2/solver-333081-1173501447 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/333081-1173501447/cmusat /tmp/evaluation/333081-1173501447/instance-333081-1173501447.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): 2400 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: 0.92 0.97 0.99 3/77 24103
/proc/meminfo: memFree=1636152/2055920 swapFree=4153164/4192956
[pid=24103] ppid=24101 vsize=2636 CPUtime=0
/proc/24103/stat : 24103 (cmusat) R 24101 24103 22548 0 -1 4194304 418 0 0 0 0 0 0 0 18 0 1 0 370099673 2699264 401 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134514222 0 0 4096 35 0 0 0 17 1 0 0
/proc/24103/statm: 659 401 96 243 0 413 0

[startup+0.0710439 s]
/proc/loadavg: 0.92 0.97 0.99 3/77 24103
/proc/meminfo: memFree=1636152/2055920 swapFree=4153164/4192956
[pid=24103] ppid=24101 vsize=4272 CPUtime=0.06
/proc/24103/stat : 24103 (cmusat) R 24101 24103 22548 0 -1 4194304 843 0 0 0 6 0 0 0 18 0 1 0 370099673 4374528 826 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134530328 0 0 4096 35 0 0 0 17 1 0 0
/proc/24103/statm: 1068 826 107 243 0 822 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 4272

[startup+0.10106 s]
/proc/loadavg: 0.92 0.97 0.99 3/77 24103
/proc/meminfo: memFree=1636152/2055920 swapFree=4153164/4192956
[pid=24103] ppid=24101 vsize=4436 CPUtime=0.09
/proc/24103/stat : 24103 (cmusat) R 24101 24103 22548 0 -1 4194304 874 0 0 0 9 0 0 0 18 0 1 0 370099673 4542464 857 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134527432 0 0 4096 35 0 0 0 17 1 0 0
/proc/24103/statm: 1109 857 107 243 0 863 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4436

[startup+0.301068 s]
/proc/loadavg: 0.92 0.97 0.99 3/77 24103
/proc/meminfo: memFree=1636152/2055920 swapFree=4153164/4192956
[pid=24103] ppid=24101 vsize=4388 CPUtime=0.29
/proc/24103/stat : 24103 (cmusat) R 24101 24103 22548 0 -1 4194304 1148 0 0 0 29 0 0 0 19 0 1 0 370099673 4493312 825 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134590121 0 0 4096 35 0 0 0 17 1 0 0
/proc/24103/statm: 1097 825 119 243 0 851 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4388

[startup+0.70111 s]
/proc/loadavg: 0.92 0.97 0.99 3/77 24103
/proc/meminfo: memFree=1636152/2055920 swapFree=4153164/4192956
[pid=24103] ppid=24101 vsize=4924 CPUtime=0.69
/proc/24103/stat : 24103 (cmusat) R 24101 24103 22548 0 -1 4194304 1375 0 0 0 69 0 0 0 22 0 1 0 370099673 5042176 985 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134589506 0 0 4096 35 0 0 0 17 1 0 0
/proc/24103/statm: 1231 985 119 243 0 985 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4924

[startup+1.50119 s]
/proc/loadavg: 0.92 0.97 0.99 2/78 24104
/proc/meminfo: memFree=1632368/2055920 swapFree=4153164/4192956
[pid=24103] ppid=24101 vsize=5468 CPUtime=1.49
/proc/24103/stat : 24103 (cmusat) R 24101 24103 22548 0 -1 4194304 1620 0 0 0 149 0 0 0 25 0 1 0 370099673 5599232 1122 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134589536 0 0 4096 35 0 0 0 17 1 0 0
/proc/24103/statm: 1367 1122 119 243 0 1121 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5468

[startup+3.10136 s]
/proc/loadavg: 0.92 0.97 0.99 2/78 24104
/proc/meminfo: memFree=1631728/2055920 swapFree=4153164/4192956
[pid=24103] ppid=24101 vsize=6152 CPUtime=3.09
/proc/24103/stat : 24103 (cmusat) R 24101 24103 22548 0 -1 4194304 1961 0 0 0 309 0 0 0 25 0 1 0 370099673 6299648 1299 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 135107896 0 0 4096 35 0 0 0 17 1 0 0
/proc/24103/statm: 1538 1299 119 243 0 1292 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6152

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

[startup+3.90244 s]
/proc/loadavg: 0.93 0.97 0.99 2/78 24104
/proc/meminfo: memFree=1631280/2055920 swapFree=4153164/4192956
[pid=24103] ppid=24101 vsize=6424 CPUtime=3.89
/proc/24103/stat : 24103 (cmusat) R 24101 24103 22548 0 -1 4194304 2082 0 0 0 389 0 0 0 25 0 1 0 370099673 6578176 1375 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134589715 0 0 4096 35 0 0 0 17 1 0 0
/proc/24103/statm: 1606 1375 119 243 0 1360 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 6424

[startup+4.70152 s]
/proc/loadavg: 0.93 0.97 0.99 2/78 24104
/proc/meminfo: memFree=1628784/2055920 swapFree=4153164/4192956
[pid=24103] ppid=24101 vsize=9056 CPUtime=4.69
/proc/24103/stat : 24103 (cmusat) R 24101 24103 22548 0 -1 4194304 2670 0 0 0 469 0 0 0 25 0 1 0 370099673 9273344 1845 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134589708 0 0 4096 35 0 0 0 17 1 0 0
/proc/24103/statm: 2264 1845 119 243 0 2018 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 9056

[startup+4.90154 s]
/proc/loadavg: 0.93 0.97 0.99 2/78 24104
/proc/meminfo: memFree=1628784/2055920 swapFree=4153164/4192956
[pid=24103] ppid=24101 vsize=6960 CPUtime=4.88
/proc/24103/stat : 24103 (cmusat) R 24101 24103 22548 0 -1 4194304 2671 0 0 0 488 0 0 0 25 0 1 0 370099673 7127040 1527 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 135145085 0 0 4096 35 0 0 0 17 1 0 0
/proc/24103/statm: 1740 1527 119 243 0 1494 0
Current children cumulated CPU time (s) 4.88
Current children cumulated vsize (KiB) 6960

Child status: 10
Real time (s): 4.95506
CPU time (s): 4.94825
CPU user time (s): 4.93725
CPU system time (s): 0.010998
CPU usage (%): 99.8624
Max. virtual memory (cumulated for all children) (KiB): 9244

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.93725
system time used= 0.010998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2683
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= 8
involuntary context switches= 14

runsolver used 0.009998 second user time and 0.015997 second system time

The end

Launcher Data (download as text)

Begin job on node2 on Sat Mar 10 04:37:27 UTC 2007

IDJOB= 333081
IDBENCH= 24595
IDSOLVER= 121
FILE ID= node2/333081-1173501447

PBS_JOBID= 4101109

Free space on /tmp= 66509 MiB

SOLVER NAME= CMUSAT 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/333081-1173501447/cmusat /tmp/evaluation/333081-1173501447/instance-333081-1173501447.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node2/watcher-333081-1173501447 -o ROOT/results/node2/solver-333081-1173501447 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/333081-1173501447/cmusat /tmp/evaluation/333081-1173501447/instance-333081-1173501447.cnf            

META MD5SUM SOLVER= af990fb12f8926fdd756b397adb3b5cf
MD5SUM BENCH=  74af041eb51b172e799baf4bb7eaa52f

RANDOM SEED= 426457149

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node2.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		: 3000.247
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		: 3000.247
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:       1636624 kB
Buffers:         40700 kB
Cached:         301868 kB
SwapCached:       2328 kB
Active:         192520 kB
Inactive:       172664 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1636624 kB
SwapTotal:     4192956 kB
SwapFree:      4153164 kB
Dirty:            3200 kB
Writeback:           0 kB
Mapped:          30044 kB
Slab:            39628 kB
Committed_AS:  1616860 kB
PageTables:       1812 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= 66509 MiB

End job on node2 on Sat Mar 10 04:37:32 UTC 2007