Trace number 332630

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
Spear FH 1.0SAT 55.9895 56.0154

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 benchmark3.46547
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 (*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*) 
0.00/0.00	c (*)                                             (*) 
0.00/0.00	c (*)          Spear theorem prover               (*) 
0.00/0.00	c (*)        Copyright (C) 2006,2007              (*) 
0.00/0.00	c (*)     Domagoj Babic. All rights reserved.     (*) 
0.00/0.00	c (*)                                             (*) 
0.00/0.00	c (*)     There is NO warranty, not even for      (*) 
0.00/0.00	c (*) merchantability or fitness for a particular (*) 
0.00/0.00	c (*)  purpose. Please run with --license to see  (*) 
0.00/0.00	c (*)              license details.               (*) 
0.00/0.00	c (*)                                             (*) 
0.00/0.00	c (*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*)(*) 
0.00/0.00	c 
0.00/0.00	c solving /tmp/evaluation/332630-1173484329/instance-332630-1173484329.cnf
55.87/55.99	s SATISFIABLE
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55.87/55.99	c runtime 55.97 [s]

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/node17/watcher-332630-1173484329 -o ROOT/results/node17/solver-332630-1173484329 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/332630-1173484329/Spear-32 --model-stdout --time --spset-autotuned-fh_1_0 --dimacs /tmp/evaluation/332630-1173484329/instance-332630-1173484329.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: 0.88 0.94 0.97 3/77 17965
/proc/meminfo: memFree=1395336/2055920 swapFree=4168576/4192956
[pid=17965] ppid=17963 vsize=1708 CPUtime=0
/proc/17965/stat : 17965 (Spear-32) R 17963 17965 16665 0 -1 4194304 231 0 0 0 0 0 0 0 18 0 1 0 368387180 1748992 215 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 134865749 0 0 4096 0 0 0 0 17 1 0 0
/proc/17965/statm: 427 215 129 302 0 122 0

[startup+0.1045 s]
/proc/loadavg: 0.88 0.94 0.97 3/77 17965
/proc/meminfo: memFree=1395336/2055920 swapFree=4168576/4192956
[pid=17965] ppid=17963 vsize=3052 CPUtime=0.09
/proc/17965/stat : 17965 (Spear-32) R 17963 17965 16665 0 -1 4194304 577 0 0 0 9 0 0 0 18 0 1 0 368387180 3125248 561 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/17965/statm: 763 561 129 302 0 458 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3052

[startup+0.202511 s]
/proc/loadavg: 0.88 0.94 0.97 3/77 17965
/proc/meminfo: memFree=1395336/2055920 swapFree=4168576/4192956
[pid=17965] ppid=17963 vsize=4500 CPUtime=0.19
/proc/17965/stat : 17965 (Spear-32) R 17963 17965 16665 0 -1 4194304 966 0 0 0 19 0 0 0 18 0 1 0 368387180 4608000 917 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/17965/statm: 1125 917 129 302 0 820 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 4500

[startup+0.302522 s]
/proc/loadavg: 0.88 0.94 0.97 3/77 17965
/proc/meminfo: memFree=1395336/2055920 swapFree=4168576/4192956
[pid=17965] ppid=17963 vsize=5952 CPUtime=0.29
/proc/17965/stat : 17965 (Spear-32) R 17963 17965 16665 0 -1 4194304 1330 0 0 0 28 1 0 0 19 0 1 0 368387180 6094848 1281 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 135258954 0 0 4096 0 0 0 0 17 1 0 0
/proc/17965/statm: 1488 1281 129 302 0 1183 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5952

[startup+0.701566 s]
/proc/loadavg: 0.88 0.94 0.97 3/77 17965
/proc/meminfo: memFree=1395336/2055920 swapFree=4168576/4192956
[pid=17965] ppid=17963 vsize=8580 CPUtime=0.69
/proc/17965/stat : 17965 (Spear-32) R 17963 17965 16665 0 -1 4194304 1997 0 0 0 66 3 0 0 22 0 1 0 368387180 8785920 1883 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/17965/statm: 2145 1883 140 302 0 1840 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 8580

[startup+1.50165 s]
/proc/loadavg: 0.88 0.94 0.97 2/78 17966
/proc/meminfo: memFree=1386944/2055920 swapFree=4168576/4192956
[pid=17965] ppid=17963 vsize=11196 CPUtime=1.49
/proc/17965/stat : 17965 (Spear-32) R 17963 17965 16665 0 -1 4194304 2672 0 0 0 143 6 0 0 25 0 1 0 368387180 11464704 2558 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/17965/statm: 2799 2558 140 302 0 2494 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 11196

[startup+3.10181 s]
/proc/loadavg: 0.88 0.94 0.97 2/78 17966
/proc/meminfo: memFree=1383360/2055920 swapFree=4168576/4192956
[pid=17965] ppid=17963 vsize=15856 CPUtime=3.09
/proc/17965/stat : 17965 (Spear-32) R 17963 17965 16665 0 -1 4194304 3853 0 0 0 298 11 0 0 25 0 1 0 368387180 16236544 3706 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/17965/statm: 3964 3706 140 302 0 3659 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 15856

[startup+6.30115 s]
/proc/loadavg: 0.89 0.94 0.97 2/78 17966
/proc/meminfo: memFree=1376832/2055920 swapFree=4168576/4192956
[pid=17965] ppid=17963 vsize=22004 CPUtime=6.29
/proc/17965/stat : 17965 (Spear-32) R 17963 17965 16665 0 -1 4194304 5391 0 0 0 609 20 0 0 25 0 1 0 368387180 22532096 5179 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/17965/statm: 5501 5179 140 302 0 5196 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 22004

[startup+12.7018 s]
/proc/loadavg: 0.90 0.94 0.97 2/78 17966
/proc/meminfo: memFree=1362048/2055920 swapFree=4168576/4192956
[pid=17965] ppid=17963 vsize=37056 CPUtime=12.68
/proc/17965/stat : 17965 (Spear-32) R 17963 17965 16665 0 -1 4194304 9204 0 0 0 1233 35 0 0 25 0 1 0 368387180 37945344 8863 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/17965/statm: 9264 8863 140 302 0 8959 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 37056

[startup+25.5021 s]
/proc/loadavg: 0.92 0.94 0.97 2/78 17966
/proc/meminfo: memFree=1337216/2055920 swapFree=4168576/4192956
[pid=17965] ppid=17963 vsize=61148 CPUtime=25.47
/proc/17965/stat : 17965 (Spear-32) R 17963 17965 16665 0 -1 4194304 15282 0 0 0 2481 66 0 0 25 0 1 0 368387180 62615552 14684 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/17965/statm: 15287 14685 140 302 0 14982 0
Current children cumulated CPU time (s) 25.47
Current children cumulated vsize (KiB) 61148

[startup+51.1018 s]
/proc/loadavg: 0.95 0.95 0.97 2/78 17966
/proc/meminfo: memFree=1309632/2055920 swapFree=4168576/4192956
[pid=17965] ppid=17963 vsize=89032 CPUtime=51.07
/proc/17965/stat : 17965 (Spear-32) R 17963 17965 16665 0 -1 4194304 22239 0 0 0 5007 100 0 0 25 0 1 0 368387180 91168768 21641 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 134558753 0 0 4096 0 0 0 0 17 1 0 0
/proc/17965/statm: 22258 21641 140 302 0 21953 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 89032

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

[startup+51.2028 s]
/proc/loadavg: 0.95 0.95 0.97 2/78 17966
/proc/meminfo: memFree=1309632/2055920 swapFree=4168576/4192956
[pid=17965] ppid=17963 vsize=89160 CPUtime=51.17
/proc/17965/stat : 17965 (Spear-32) R 17963 17965 16665 0 -1 4194304 22260 0 0 0 5017 100 0 0 25 0 1 0 368387180 91299840 21662 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 134558750 0 0 4096 0 0 0 0 17 1 0 0
/proc/17965/statm: 22290 21662 140 302 0 21985 0
Current children cumulated CPU time (s) 51.17
Current children cumulated vsize (KiB) 89160

[startup+54.4011 s]
/proc/loadavg: 0.95 0.95 0.97 2/78 17966
/proc/meminfo: memFree=1306176/2055920 swapFree=4168576/4192956
[pid=17965] ppid=17963 vsize=92616 CPUtime=54.37
/proc/17965/stat : 17965 (Spear-32) R 17963 17965 16665 0 -1 4194304 23148 0 0 0 5330 107 0 0 25 0 1 0 368387180 94838784 22550 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 134558750 0 0 4096 0 0 0 0 17 1 0 0
/proc/17965/statm: 23154 22550 140 302 0 22849 0
Current children cumulated CPU time (s) 54.37
Current children cumulated vsize (KiB) 92616

[startup+55.2012 s]
/proc/loadavg: 0.95 0.95 0.97 2/78 17966
/proc/meminfo: memFree=1304448/2055920 swapFree=4168576/4192956
[pid=17965] ppid=17963 vsize=93660 CPUtime=55.17
/proc/17965/stat : 17965 (Spear-32) R 17963 17965 16665 0 -1 4194304 23409 0 0 0 5409 108 0 0 25 0 1 0 368387180 95907840 22811 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/17965/statm: 23415 22811 140 302 0 23110 0
Current children cumulated CPU time (s) 55.17
Current children cumulated vsize (KiB) 93660

[startup+55.6013 s]
/proc/loadavg: 0.95 0.95 0.97 2/78 17966
/proc/meminfo: memFree=1304448/2055920 swapFree=4168576/4192956
[pid=17965] ppid=17963 vsize=94056 CPUtime=55.56
/proc/17965/stat : 17965 (Spear-32) R 17963 17965 16665 0 -1 4194304 23513 0 0 0 5448 108 0 0 25 0 1 0 368387180 96313344 22915 18446744073709551615 134512640 135752790 4294956624 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 1 0 0
/proc/17965/statm: 23514 22915 140 302 0 23209 0
Current children cumulated CPU time (s) 55.56
Current children cumulated vsize (KiB) 94056

[startup+56.0013 s]
/proc/loadavg: 0.95 0.95 0.97 2/78 17966
/proc/meminfo: memFree=1304448/2055920 swapFree=4168576/4192956
[pid=17965] ppid=17963 vsize=0 CPUtime=55.97
/proc/17965/stat : 17965 (Spear-32) R 17963 17965 16665 0 -1 4194308 23642 0 0 0 5487 110 0 0 16 0 1 0 368387180 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/17965/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 55.97
Current children cumulated vsize (KiB) 0

Child status: 10
Real time (s): 56.0154
CPU time (s): 55.9895
CPU user time (s): 54.8747
CPU system time (s): 1.11483
CPU usage (%): 99.9538
Max. virtual memory (cumulated for all children) (KiB): 94312

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 54.8747
system time used= 1.11483
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 23642
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= 216

runsolver used 0.069989 second user time and 0.140978 second system time

The end

Launcher Data (download as text)

Begin job on node17 on Fri Mar  9 23:52:09 UTC 2007

IDJOB= 332630
IDBENCH= 24584
IDSOLVER= 132
FILE ID= node17/332630-1173484329

PBS_JOBID= 4101087

Free space on /tmp= 66507 MiB

SOLVER NAME= Spear FH 1.0
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/pebbling/sat-pbl-00400.sat05-1322.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/332630-1173484329/Spear-32 --model-stdout --time --spset-autotuned-fh_1_0 --dimacs  /tmp/evaluation/332630-1173484329/instance-332630-1173484329.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node17/watcher-332630-1173484329 -o ROOT/results/node17/solver-332630-1173484329 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/332630-1173484329/Spear-32 --model-stdout --time --spset-autotuned-fh_1_0 --dimacs  /tmp/evaluation/332630-1173484329/instance-332630-1173484329.cnf            

META MD5SUM SOLVER= 53b58dfa80430416a78fe762713f980c
MD5SUM BENCH=  29cf0f53dfca3fe2e94789628bed3971

RANDOM SEED= 723185029

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node17.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		: 3000.229
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		: 3000.229
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:       1395808 kB
Buffers:         50004 kB
Cached:         516032 kB
SwapCached:       2172 kB
Active:         285352 kB
Inactive:       303392 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1395808 kB
SwapTotal:     4192956 kB
SwapFree:      4168576 kB
Dirty:            4588 kB
Writeback:           0 kB
Mapped:          30500 kB
Slab:            56976 kB
Committed_AS:  1423404 kB
PageTables:       1748 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= 66507 MiB

End job on node17 on Fri Mar  9 23:53:06 UTC 2007