Trace number 1773031

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
precosat 236UNSAT 4.00239 4.00353

General information on the benchmark

Nameindustrial/babic/hsatv17/
hsat_vc11803.cnf
MD5SUM6c6fd606fd41d7205b07602118ad74a0
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark1.53477
Satisfiable
(Un)Satisfiability was proved
Number of variables276402
Number of clauses798348
Sum of the clauses size2080196
Maximum clause length3
Minimum clause length1
Number of clauses of size 131560
Number of clauses of size 2251728
Number of clauses of size 3515060
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.00	c PicoSATLight Version 236 3e7a3f8825c0b9e241f38a63fee5517540b2feca
0.00/0.00	c Copyright (C) 2009, Armin Biere, JKU, Linz, Austria.  All rights reserved.
0.00/0.00	c Released on Sun Mar 22 10:16:26 CET 2009
0.00/0.00	c Compiled on Tue Mar 24 21:24:39 CET 2009
0.00/0.00	c g++ (GCC) 4.3.2 20081105 (Red Hat 4.3.2-7)
0.00/0.00	c -O3 -m32 -static -Wall -Wextra -DNDEBUG -DNLOGPRECO -DNSTATSPRECO
0.00/0.00	c -finline-limit=10000000 -fomit-frame-pointer -fno-exceptions
0.00/0.00	c Linux baghera 2.6.27.19-170.2.35.fc10.i686.PAE i686
0.00/0.00	c
0.00/0.00	c reading HOME/instance-1773031-1241182019.cnf
0.00/0.00	c found header 'p cnf 276427 798348'
1.09/1.12	c finished parsing
1.09/1.12	c
1.09/1.12	c --check=0 --verbose=0 --order=3 --simprd=40 --merge=1 --hash=1
1.09/1.12	c --dominate=1 --restart=1 --restartint=100 --rebias=1 --rebiasint=1000
1.09/1.12	c --probe=1 --probeint=100000 --probeprd=10 --decompose=1 --minimize=3
1.09/1.12	c --maxdepth=1000 --strength=10 --elim=1 --elimint=300000 --elimprd=20
1.09/1.12	c --subst=1 --ands=1 --xors=1 --ites=1 --minlimit=1000 --maxlimit=10000000
1.09/1.12	c --random=1 --spread=2000 --seed=0 --skip=25
1.09/1.12	c
1.09/1.12	c sizeof     vars[0] = 16   alignment = 0       4 MB
1.09/1.12	c sizeof     orgs[0] =  8   alignment = 0       2 MB
1.09/1.12	c sizeof     occs[0] =  8   alignment = 0       2 MB
1.09/1.12	c sizeof iirfs[0..1] =  8   alignment = 0       2 MB
1.09/1.12	c
1.09/1.12	c starting search after 1.1 seconds
1.09/1.12	c no decision limit
1.09/1.16	c
1.09/1.16	c       original/binary      fixed     eliminated      learned       agility
1.09/1.16	c   seconds        variables     equivalent    conflicts       height       MB
1.09/1.16	c
1.09/1.16	c *    1.2   759551  177756  34674 63997      0       0      0    0.0   0   65
3.88/3.98	c s    4.0   456412  126066  35219 63672  51470       0      0    0.0   0   81
3.88/3.98	c l    4.0   456412  126066  35219 63672  51470       0 368437    0.0   0   81
3.88/3.98	c 0    4.0   456412  126066  35219 63672  51470       1      0    0.0   0   81
3.88/3.98	c
3.88/3.98	s UNSATISFIABLE
3.88/3.98	c
3.88/3.98	c 1 conflicts, 0 decisions, 0 random
3.88/3.98	c 0 iterations, 0 restarts, 0 skipped
3.88/3.98	c 0 enlarged, 701 shrunken, 0 rescored, 0 rebiased
3.88/3.98	c 1 simplifications, 0 reductions
3.88/3.98	c
3.88/3.98	c vars: 35219 fixed, 63672 equiv, 51470 elim, 63997 merged
3.88/3.98	c elim: 92610 resolutions, 1 phases, 0 rounds
3.88/3.98	c sbst: 72% substituted, 0.5% nots, 36.5% ands, 24.2% xors, 38.7% ites
3.88/3.98	c arty: 2.00 and 2.00 xor average arity
3.88/3.98	c prbe: 122 probed, 1 phases, 0 rounds
3.88/3.98	c prbe: 1 failed, 0 lifted, 0 merged
3.88/3.98	c sccs: 0 non trivial, 0 fixed, 0 merged
3.88/3.98	c hash: 1583 units, 63997 merged
3.88/3.98	c mins: 0 learned, 0% deleted, 0 strong, 0 depth
3.88/3.98	c subs: 725 forward, 767 backward, 6 doms
3.88/3.98	c strs: 680 forward, 280 backward
3.88/3.98	c doms: 3296 dominators, 0 high, 0 low
3.88/3.98	c prps: 446354 propagations, 0.11 megaprops
3.88/3.98	c
3.88/3.98	c 4.0 seconds, 86 MB max, 12 MB recycled

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1773031-1241182019/watcher-1773031-1241182019 -o /tmp/evaluation-result-1773031-1241182019/solver-1773031-1241182019 -C 10000 -W 6000 -M 1800 HOME/precosat HOME/instance-1773031-1241182019.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 10000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 10030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 30343
/proc/meminfo: memFree=975400/2055920 swapFree=4180872/4192956
[pid=30343] ppid=30341 vsize=5108 CPUtime=0
/proc/30343/stat : 30343 (precosat) R 30341 30343 30279 0 -1 4194304 878 0 0 0 0 0 0 0 18 0 1 0 146235266 5230592 864 1992294400 134512640 135151029 4294956240 18446744073709551615 134697845 0 0 4096 0 0 0 0 17 1 0 0
/proc/30343/statm: 1277 870 58 155 0 1120 0

[startup+0.039676 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 30343
/proc/meminfo: memFree=975400/2055920 swapFree=4180872/4192956
[pid=30343] ppid=30341 vsize=12616 CPUtime=0.02
/proc/30343/stat : 30343 (precosat) R 30341 30343 30279 0 -1 4194304 2747 0 0 0 2 0 0 0 18 0 1 0 146235266 12918784 2732 1992294400 134512640 135151029 4294956240 18446744073709551615 134534335 0 0 4096 0 0 0 0 17 1 0 0
/proc/30343/statm: 3154 2734 59 155 0 2997 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 12616

[startup+0.101682 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 30343
/proc/meminfo: memFree=975400/2055920 swapFree=4180872/4192956
[pid=30343] ppid=30341 vsize=25692 CPUtime=0.09
/proc/30343/stat : 30343 (precosat) R 30341 30343 30279 0 -1 4194304 6080 0 0 0 8 1 0 0 18 0 1 0 146235266 26308608 6065 1992294400 134512640 135151029 4294956240 18446744073709551615 134682502 0 0 4096 17442 0 0 0 17 1 0 0
/proc/30343/statm: 6423 6065 64 155 0 6266 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 25692

[startup+0.301703 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 30343
/proc/meminfo: memFree=975400/2055920 swapFree=4180872/4192956
[pid=30343] ppid=30341 vsize=36636 CPUtime=0.29
/proc/30343/stat : 30343 (precosat) R 30341 30343 30279 0 -1 4194304 8906 0 0 0 26 3 0 0 19 0 1 0 146235266 37515264 8793 1992294400 134512640 135151029 4294956240 18446744073709551615 134682502 0 0 4096 17442 0 0 0 17 1 0 0
/proc/30343/statm: 9159 8793 64 155 0 9002 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 36636

[startup+0.701746 s]
/proc/loadavg: 0.93 0.98 0.99 3/64 30343
/proc/meminfo: memFree=975400/2055920 swapFree=4180872/4192956
[pid=30343] ppid=30341 vsize=55752 CPUtime=0.69
/proc/30343/stat : 30343 (precosat) R 30341 30343 30279 0 -1 4194304 14019 0 0 0 64 5 0 0 22 0 1 0 146235266 57090048 13520 1992294400 134512640 135151029 4294956240 18446744073709551615 134682502 0 0 4096 17442 0 0 0 17 1 0 0
/proc/30343/statm: 13938 13520 64 155 0 13781 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 55752

[startup+1.50183 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 30344
/proc/meminfo: memFree=907104/2055920 swapFree=4180872/4192956
[pid=30343] ppid=30341 vsize=78668 CPUtime=1.49
/proc/30343/stat : 30343 (precosat) R 30341 30343 30279 0 -1 4194304 20558 0 0 0 140 9 0 0 25 0 1 0 146235266 80556032 18978 1992294400 134512640 135151029 4294956240 18446744073709551615 134550591 0 0 4096 17442 0 0 0 17 1 0 0
/proc/30343/statm: 19667 18978 79 155 0 19510 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 78668

[startup+3.102 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 30344
/proc/meminfo: memFree=888416/2055920 swapFree=4180872/4192956
[pid=30343] ppid=30341 vsize=99612 CPUtime=3.09
/proc/30343/stat : 30343 (precosat) R 30341 30343 30279 0 -1 4194304 26739 0 0 0 298 11 0 0 25 0 1 0 146235266 102002688 24131 1992294400 134512640 135151029 4294956240 18446744073709551615 134575496 0 0 4096 17442 0 0 0 17 1 0 0
/proc/30343/statm: 24903 24131 79 155 0 24746 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 99612

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

[startup+3.50105 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 30344
/proc/meminfo: memFree=878560/2055920 swapFree=4180872/4192956
[pid=30343] ppid=30341 vsize=100640 CPUtime=3.48
/proc/30343/stat : 30343 (precosat) R 30341 30343 30279 0 -1 4194304 26893 0 0 0 337 11 0 0 25 0 1 0 146235266 103055360 24285 1992294400 134512640 135151029 4294956240 18446744073709551615 134573515 0 0 4096 17442 0 0 0 17 1 0 0
/proc/30343/statm: 25160 24285 79 155 0 25003 0
Current children cumulated CPU time (s) 3.48
Current children cumulated vsize (KiB) 100640

[startup+3.90109 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 30344
/proc/meminfo: memFree=878560/2055920 swapFree=4180872/4192956
[pid=30343] ppid=30341 vsize=101664 CPUtime=3.88
/proc/30343/stat : 30343 (precosat) R 30341 30343 30279 0 -1 4194304 27061 0 0 0 377 11 0 0 25 0 1 0 146235266 104103936 24453 1992294400 134512640 135151029 4294956240 18446744073709551615 134549187 0 0 4096 17442 0 0 0 17 1 0 0
/proc/30343/statm: 25416 24453 79 155 0 25259 0
Current children cumulated CPU time (s) 3.88
Current children cumulated vsize (KiB) 101664

[startup+4.0011 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 30344
/proc/meminfo: memFree=878560/2055920 swapFree=4180872/4192956
[pid=30343] ppid=30341 vsize=0 CPUtime=3.99
/proc/30343/stat : 30343 (precosat) R 30341 30343 30279 0 -1 4194308 27085 0 0 0 386 13 0 0 25 0 1 0 146235266 0 0 1992294400 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/30343/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 3.99
Current children cumulated vsize (KiB) 0

Child status: 20
Real time (s): 4.00353
CPU time (s): 4.00239
CPU user time (s): 3.86541
CPU system time (s): 0.136979
CPU usage (%): 99.9715
Max. virtual memory (cumulated for all children) (KiB): 101664

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.86541
system time used= 0.136979
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 27085
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= 10

runsolver used 0.006998 second user time and 0.011998 second system time

The end

Launcher Data 

Begin job on node19 at 2009-05-01 14:47:00
IDJOB=1773031
IDBENCH=20463
IDSOLVER=607
FILE ID=node19/1773031-1241182019
PBS_JOBID= 9224582
Free space on /tmp= 66444 MiB

SOLVER NAME= precosat 236
BENCH NAME= SAT07/industrial/babic/hsatv17/hsat_vc11803.cnf
COMMAND LINE= HOME/precosat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1773031-1241182019/watcher-1773031-1241182019 -o /tmp/evaluation-result-1773031-1241182019/solver-1773031-1241182019 -C 10000 -W 6000 -M 1800  HOME/precosat HOME/instance-1773031-1241182019.cnf

TIME LIMIT= 10000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 6c6fd606fd41d7205b07602118ad74a0
RANDOM SEED=247915839

node19.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		: 3000.236
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		: 3000.236
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:        975816 kB
Buffers:         81144 kB
Cached:         893456 kB
SwapCached:       6776 kB
Active:          76948 kB
Inactive:       906320 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        975816 kB
SwapTotal:     4192956 kB
SwapFree:      4180872 kB
Dirty:           16828 kB
Writeback:           0 kB
Mapped:          13368 kB
Slab:            82760 kB
Committed_AS:   702852 kB
PageTables:       1452 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= 66440 MiB
End job on node19 at 2009-05-01 14:47:04