Trace number 296636

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
picosat 535SAT 114.31 114.343

General information on the benchmark

Namerandom/OnTreshold/7SAT/v45/
unif-k7-r89-v45-c4005-S1566131367-09.SAT.shuffled.cnf
MD5SUM3323355938df6013ebfd95023b20854d
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.226965
Satisfiable
(Un)Satisfiability was proved
Number of variables45
Number of clauses4005
Sum of the clauses size28035
Maximum clause length7
Minimum clause length7
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 54005

Solver Data (download as text)

114.29/114.34	s SATISFIABLE
114.29/114.34	v 1 -2 3 4 -5 6 7 8 9 -10 11 -12 -13 -14 15 -16 -17 18 -19 20 21 -22 -23 -24 25
114.29/114.34	v 26 -27 28 -29 -30 31 -32 33 -34 35 -36 37 38 39 -40 -41 42 -43 -44 45 0

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node13/watcher-296636-1171826230 -o ROOT/results/node13/solver-296636-1171826230 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/296636-1171826230/picosat /tmp/evaluation/296636-1171826230/instance-296636-1171826230.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 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: 0.72 0.93 0.98 3/77 20573
/proc/meminfo: memFree=786352/2055920 swapFree=4192812/4192956
[pid=20573] ppid=20571 vsize=568 CPUtime=0
/proc/20573/stat : 20573 (picosat) R 20571 20573 19957 0 -1 4194304 68 0 0 0 0 0 0 0 18 0 1 0 202577965 581632 53 18446744073709551615 134512640 134931368 4294956624 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/20573/statm: 142 54 40 102 0 37 0

[startup+0.107367 s]
/proc/loadavg: 0.72 0.93 0.98 3/77 20573
/proc/meminfo: memFree=786352/2055920 swapFree=4192812/4192956
[pid=20573] ppid=20571 vsize=844 CPUtime=0.1
/proc/20573/stat : 20573 (picosat) R 20571 20573 19957 0 -1 4194304 156 0 0 0 7 3 0 0 18 0 1 0 202577965 864256 139 18446744073709551615 134512640 134931368 4294956624 18446744073709551615 134525754 0 0 4096 0 0 0 0 17 1 0 0
/proc/20573/statm: 211 139 48 102 0 106 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 844

[startup+0.519422 s]
/proc/loadavg: 0.72 0.93 0.98 3/77 20573
/proc/meminfo: memFree=786352/2055920 swapFree=4192812/4192956
[pid=20573] ppid=20571 vsize=844 CPUtime=0.51
/proc/20573/stat : 20573 (picosat) R 20571 20573 19957 0 -1 4194304 170 0 0 0 48 3 0 0 21 0 1 0 202577965 864256 153 18446744073709551615 134512640 134931368 4294956624 18446744073709551615 134525754 0 0 4096 0 0 0 0 17 1 0 0
/proc/20573/statm: 211 153 48 102 0 106 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 844

[startup+1.34153 s]
/proc/loadavg: 0.72 0.93 0.98 2/78 20574
/proc/meminfo: memFree=785832/2055920 swapFree=4192812/4192956
[pid=20573] ppid=20571 vsize=968 CPUtime=1.33
/proc/20573/stat : 20573 (picosat) R 20571 20573 19957 0 -1 4194304 186 0 0 0 130 3 0 0 25 0 1 0 202577965 991232 169 18446744073709551615 134512640 134931368 4294956624 18446744073709551615 134525845 0 0 4096 0 0 0 0 17 1 0 0
/proc/20573/statm: 242 169 48 102 0 137 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 968

[startup+2.97775 s]
/proc/loadavg: 0.74 0.94 0.98 2/78 20574
/proc/meminfo: memFree=785704/2055920 swapFree=4192812/4192956
[pid=20573] ppid=20571 vsize=1092 CPUtime=2.97
/proc/20573/stat : 20573 (picosat) R 20571 20573 19957 0 -1 4194304 208 0 0 0 294 3 0 0 25 0 1 0 202577965 1118208 191 18446744073709551615 134512640 134931368 4294956624 18446744073709551615 134525929 0 0 4096 0 0 0 0 17 1 0 0
/proc/20573/statm: 273 191 48 102 0 168 0
Current children cumulated CPU time (s) 2.97
Current children cumulated vsize (KiB) 1092

[startup+6.25419 s]
/proc/loadavg: 0.74 0.94 0.98 2/78 20574
/proc/meminfo: memFree=785512/2055920 swapFree=4192812/4192956
[pid=20573] ppid=20571 vsize=1092 CPUtime=6.24
/proc/20573/stat : 20573 (picosat) R 20571 20573 19957 0 -1 4194304 233 0 0 0 621 3 0 0 25 0 1 0 202577965 1118208 216 18446744073709551615 134512640 134931368 4294956624 18446744073709551615 134525828 0 0 4096 0 0 0 0 17 1 0 0
/proc/20573/statm: 273 216 48 102 0 168 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 1092

[startup+12.711 s]
/proc/loadavg: 0.78 0.94 0.98 2/78 20574
/proc/meminfo: memFree=785320/2055920 swapFree=4192812/4192956
[pid=20573] ppid=20571 vsize=1268 CPUtime=12.7
/proc/20573/stat : 20573 (picosat) R 20571 20573 19957 0 -1 4194304 265 0 0 0 1267 3 0 0 25 0 1 0 202577965 1298432 248 18446744073709551615 134512640 134931368 4294956624 18446744073709551615 134525754 0 0 4096 0 0 0 0 17 1 0 0
/proc/20573/statm: 317 248 48 102 0 212 0
Current children cumulated CPU time (s) 12.7
Current children cumulated vsize (KiB) 1268

[startup+25.5118 s]
/proc/loadavg: 0.81 0.94 0.98 2/78 20574
/proc/meminfo: memFree=785128/2055920 swapFree=4192812/4192956
[pid=20573] ppid=20571 vsize=1488 CPUtime=25.49
/proc/20573/stat : 20573 (picosat) R 20571 20573 19957 0 -1 4194304 316 0 0 0 2546 3 0 0 25 0 1 0 202577965 1523712 299 18446744073709551615 134512640 134931368 4294956624 18446744073709551615 134525781 0 0 4096 0 0 0 0 17 1 0 0
/proc/20573/statm: 372 299 48 102 0 267 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 1488

[startup+51.1252 s]
/proc/loadavg: 0.87 0.94 0.98 2/78 20574
/proc/meminfo: memFree=784872/2055920 swapFree=4192812/4192956
[pid=20573] ppid=20571 vsize=1708 CPUtime=51.1
/proc/20573/stat : 20573 (picosat) R 20571 20573 19957 0 -1 4194304 373 0 0 0 5107 3 0 0 25 0 1 0 202577965 1748992 356 18446744073709551615 134512640 134931368 4294956624 18446744073709551615 134525921 0 0 4096 0 0 0 0 17 1 0 0
/proc/20573/statm: 427 356 48 102 0 322 0
Current children cumulated CPU time (s) 51.1
Current children cumulated vsize (KiB) 1708

[startup+102.341 s]
/proc/loadavg: 0.94 0.95 0.98 2/78 20574
/proc/meminfo: memFree=784488/2055920 swapFree=4192812/4192956
[pid=20573] ppid=20571 vsize=2032 CPUtime=102.3
/proc/20573/stat : 20573 (picosat) R 20571 20573 19957 0 -1 4194304 459 0 0 0 10227 3 0 0 25 0 1 0 202577965 2080768 442 18446744073709551615 134512640 134931368 4294956624 18446744073709551615 134525924 0 0 4096 0 0 0 0 17 1 0 0
/proc/20573/statm: 508 442 48 102 0 403 0
Current children cumulated CPU time (s) 102.3
Current children cumulated vsize (KiB) 2032

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

[startup+104.912 s]
/proc/loadavg: 0.95 0.95 0.98 2/78 20574
/proc/meminfo: memFree=784488/2055920 swapFree=4192812/4192956
[pid=20573] ppid=20571 vsize=2032 CPUtime=104.87
/proc/20573/stat : 20573 (picosat) R 20571 20573 19957 0 -1 4194304 459 0 0 0 10484 3 0 0 25 0 1 0 202577965 2080768 442 18446744073709551615 134512640 134931368 4294956624 18446744073709551615 134525828 0 0 4096 0 0 0 0 17 1 0 0
/proc/20573/statm: 508 442 48 102 0 403 0
Current children cumulated CPU time (s) 104.87
Current children cumulated vsize (KiB) 2032

[startup+108.185 s]
/proc/loadavg: 0.95 0.95 0.98 2/78 20574
/proc/meminfo: memFree=784488/2055920 swapFree=4192812/4192956
[pid=20573] ppid=20571 vsize=2032 CPUtime=108.14
/proc/20573/stat : 20573 (picosat) R 20571 20573 19957 0 -1 4194304 459 0 0 0 10811 3 0 0 25 0 1 0 202577965 2080768 442 18446744073709551615 134512640 134931368 4294956624 18446744073709551615 134525754 0 0 4096 0 0 0 0 17 1 0 0
/proc/20573/statm: 508 442 48 102 0 403 0
Current children cumulated CPU time (s) 108.14
Current children cumulated vsize (KiB) 2032

[startup+111.461 s]
/proc/loadavg: 0.95 0.95 0.98 2/78 20574
/proc/meminfo: memFree=784488/2055920 swapFree=4192812/4192956
[pid=20573] ppid=20571 vsize=2164 CPUtime=111.41
/proc/20573/stat : 20573 (picosat) R 20571 20573 19957 0 -1 4194304 476 0 0 0 11138 3 0 0 25 0 1 0 202577965 2215936 459 18446744073709551615 134512640 134931368 4294956624 18446744073709551615 134525788 0 0 4096 0 0 0 0 17 1 0 0
/proc/20573/statm: 541 459 48 102 0 436 0
Current children cumulated CPU time (s) 111.41
Current children cumulated vsize (KiB) 2164

[startup+113.105 s]
/proc/loadavg: 0.96 0.95 0.98 2/78 20574
/proc/meminfo: memFree=784424/2055920 swapFree=4192812/4192956
[pid=20573] ppid=20571 vsize=2164 CPUtime=113.06
/proc/20573/stat : 20573 (picosat) R 20571 20573 19957 0 -1 4194304 476 0 0 0 11303 3 0 0 25 0 1 0 202577965 2215936 459 18446744073709551615 134512640 134931368 4294956624 18446744073709551615 134525754 0 0 4096 0 0 0 0 17 1 0 0
/proc/20573/statm: 541 459 48 102 0 436 0
Current children cumulated CPU time (s) 113.06
Current children cumulated vsize (KiB) 2164

[startup+113.926 s]
/proc/loadavg: 0.96 0.95 0.98 2/78 20574
/proc/meminfo: memFree=784424/2055920 swapFree=4192812/4192956
[pid=20573] ppid=20571 vsize=2164 CPUtime=113.88
/proc/20573/stat : 20573 (picosat) R 20571 20573 19957 0 -1 4194304 476 0 0 0 11385 3 0 0 25 0 1 0 202577965 2215936 459 18446744073709551615 134512640 134931368 4294956624 18446744073709551615 134525754 0 0 4096 0 0 0 0 17 1 0 0
/proc/20573/statm: 541 459 48 102 0 436 0
Current children cumulated CPU time (s) 113.88
Current children cumulated vsize (KiB) 2164

[startup+114.334 s]
/proc/loadavg: 0.96 0.95 0.98 2/78 20574
/proc/meminfo: memFree=784424/2055920 swapFree=4192812/4192956
[pid=20573] ppid=20571 vsize=2164 CPUtime=114.29
/proc/20573/stat : 20573 (picosat) R 20571 20573 19957 0 -1 4194304 476 0 0 0 11426 3 0 0 25 0 1 0 202577965 2215936 459 18446744073709551615 134512640 134931368 4294956624 18446744073709551615 134525791 0 0 4096 0 0 0 0 17 1 0 0
/proc/20573/statm: 541 459 48 102 0 436 0
Current children cumulated CPU time (s) 114.29
Current children cumulated vsize (KiB) 2164

Child status: 10
Real time (s): 114.343
CPU time (s): 114.31
CPU user time (s): 114.269
CPU system time (s): 0.040993
CPU usage (%): 99.9709
Max. virtual memory (cumulated for all children) (KiB): 2164

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 114.269
system time used= 0.040993
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 482
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= 146

runsolver used 0.117982 second user time and 0.264959 second system time

The end

Launcher Data (download as text)

Begin job on node13 on Sun Feb 18 19:17:12 UTC 2007

IDJOB= 296636
IDBENCH= 19942
IDSOLVER= 106
FILE ID= node13/296636-1171826230

PBS_JOBID= 3839360

Free space on /tmp= 66542 MiB

SOLVER NAME= picosat 535
BENCH NAME= HOME/pub/bench/SAT07/random/OnTreshold/7SAT/v45/unif-k7-r89-v45-c4005-S1566131367-09.SAT.shuffled.cnf
COMMAND LINE= /tmp/evaluation/296636-1171826230/picosat /tmp/evaluation/296636-1171826230/instance-296636-1171826230.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node13/watcher-296636-1171826230 -o ROOT/results/node13/solver-296636-1171826230 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/296636-1171826230/picosat /tmp/evaluation/296636-1171826230/instance-296636-1171826230.cnf            

META MD5SUM SOLVER= 1cb12d44dc66ecc4d20a168f5cfd1323
MD5SUM BENCH=  3323355938df6013ebfd95023b20854d

RANDOM SEED= 173485527

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node13.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		: 3000.236
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:        786824 kB
Buffers:         69260 kB
Cached:        1064640 kB
SwapCached:          0 kB
Active:         607728 kB
Inactive:       580532 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        786824 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:             692 kB
Writeback:           0 kB
Mapped:          73248 kB
Slab:            66388 kB
Committed_AS:   857504 kB
PageTables:       1744 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= 66542 MiB

End job on node13 on Sun Feb 18 19:19:10 UTC 2007