Trace number 314542

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 535UNSAT 121.582 121.718

General information on the benchmark

Nameindustrial/fuhs/medium/
AProVE07-15.cnf
MD5SUM3d9c71b515699560fe1678f286b58acb
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark46.175
Satisfiable
(Un)Satisfiability was proved
Number of variables21104
Number of clauses74257
Sum of the clauses size192789
Maximum clause length171
Minimum clause length1
Number of clauses of size 11
Number of clauses of size 236142
Number of clauses of size 334380
Number of clauses of size 42745
Number of clauses of size 5538
Number of clauses of size over 5451

Solver Data (download as text)

121.56/121.71	s UNSATISFIABLE

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node72/watcher-314542-1172638824 -o ROOT/results/node72/solver-314542-1172638824 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/314542-1172638824/picosat /tmp/evaluation/314542-1172638824/instance-314542-1172638824.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: 1.00 1.00 1.00 3/77 31427
/proc/meminfo: memFree=1615088/2055920 swapFree=4151496/4192956
[pid=31427] ppid=31425 vsize=1536 CPUtime=0
/proc/31427/stat : 31427 (picosat) R 31425 31427 30933 0 -1 4194304 303 0 0 0 0 0 0 0 18 0 1 0 283850166 1572864 288 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134526140 0 0 4096 0 0 0 0 17 1 0 0
/proc/31427/statm: 384 291 39 102 0 279 0

[startup+0.0448931 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 31427
/proc/meminfo: memFree=1615088/2055920 swapFree=4151496/4192956
[pid=31427] ppid=31425 vsize=2652 CPUtime=0.03
/proc/31427/stat : 31427 (picosat) R 31425 31427 30933 0 -1 4194304 465 0 0 0 2 1 0 0 18 0 1 0 283850166 2715648 439 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/31427/statm: 663 439 40 102 0 558 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 2652

[startup+0.101898 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 31427
/proc/meminfo: memFree=1615088/2055920 swapFree=4151496/4192956
[pid=31427] ppid=31425 vsize=2808 CPUtime=0.09
/proc/31427/stat : 31427 (picosat) R 31425 31427 30933 0 -1 4194304 490 0 0 0 5 4 0 0 18 0 1 0 283850166 2875392 464 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/31427/statm: 702 464 40 102 0 597 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2808

[startup+0.301916 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 31427
/proc/meminfo: memFree=1615088/2055920 swapFree=4151496/4192956
[pid=31427] ppid=31425 vsize=3468 CPUtime=0.29
/proc/31427/stat : 31427 (picosat) R 31425 31427 30933 0 -1 4194304 648 0 0 0 13 16 0 0 19 0 1 0 283850166 3551232 622 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134605937 0 0 4096 0 0 0 0 17 1 0 0
/proc/31427/statm: 867 622 40 102 0 762 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3468

[startup+0.701953 s]
/proc/loadavg: 1.00 1.00 1.00 3/77 31427
/proc/meminfo: memFree=1615088/2055920 swapFree=4151496/4192956
[pid=31427] ppid=31425 vsize=4868 CPUtime=0.69
/proc/31427/stat : 31427 (picosat) R 31425 31427 30933 0 -1 4194304 966 0 0 0 37 32 0 0 23 0 1 0 283850166 4984832 932 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525788 0 0 4096 0 0 0 0 17 1 0 0
/proc/31427/statm: 1217 932 42 102 0 1112 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4868

[startup+1.50102 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 31428
/proc/meminfo: memFree=1611240/2055920 swapFree=4151496/4192956
[pid=31427] ppid=31425 vsize=5264 CPUtime=1.49
/proc/31427/stat : 31427 (picosat) R 31425 31427 30933 0 -1 4194304 1056 0 0 0 117 32 0 0 25 0 1 0 283850166 5390336 1008 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134524027 0 0 4096 0 0 0 0 17 1 0 0
/proc/31427/statm: 1316 1008 42 102 0 1211 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5264

[startup+3.10117 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 31428
/proc/meminfo: memFree=1610856/2055920 swapFree=4151496/4192956
[pid=31427] ppid=31425 vsize=5932 CPUtime=3.09
/proc/31427/stat : 31427 (picosat) R 31425 31427 30933 0 -1 4194304 1215 0 0 0 277 32 0 0 25 0 1 0 283850166 6074368 1165 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134522823 0 0 4096 0 0 0 0 17 1 0 0
/proc/31427/statm: 1483 1165 48 102 0 1378 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 5932

[startup+6.30146 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 31428
/proc/meminfo: memFree=1609896/2055920 swapFree=4151496/4192956
[pid=31427] ppid=31425 vsize=6556 CPUtime=6.29
/proc/31427/stat : 31427 (picosat) R 31425 31427 30933 0 -1 4194304 1377 0 0 0 597 32 0 0 25 0 1 0 283850166 6713344 1327 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134529880 0 0 4096 0 0 0 0 17 1 0 0
/proc/31427/statm: 1639 1327 48 102 0 1534 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 6556

[startup+12.701 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 31428
/proc/meminfo: memFree=1609072/2055920 swapFree=4151496/4192956
[pid=31427] ppid=31425 vsize=7212 CPUtime=12.69
/proc/31427/stat : 31427 (picosat) R 31425 31427 30933 0 -1 4194304 1544 0 0 0 1237 32 0 0 25 0 1 0 283850166 7385088 1494 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134529868 0 0 4096 0 0 0 0 17 1 0 0
/proc/31427/statm: 1803 1494 48 102 0 1698 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 7212

[startup+25.5012 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 31428
/proc/meminfo: memFree=1608688/2055920 swapFree=4151496/4192956
[pid=31427] ppid=31425 vsize=7472 CPUtime=25.48
/proc/31427/stat : 31427 (picosat) R 31425 31427 30933 0 -1 4194304 1628 0 0 0 2516 32 0 0 25 0 1 0 283850166 7651328 1578 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525621 0 0 4096 0 0 0 0 17 1 0 0
/proc/31427/statm: 1868 1578 48 102 0 1763 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 7472

[startup+51.1016 s]
/proc/loadavg: 1.00 1.00 1.00 2/84 31502
/proc/meminfo: memFree=1606840/2055920 swapFree=4151496/4192956
[pid=31427] ppid=31425 vsize=7936 CPUtime=51.04
/proc/31427/stat : 31427 (picosat) R 31425 31427 30933 0 -1 4194304 1733 0 0 0 5071 33 0 0 25 0 1 0 283850166 8126464 1683 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134531120 0 0 4096 0 0 0 0 17 1 0 0
/proc/31427/statm: 1984 1683 48 102 0 1879 0
Current children cumulated CPU time (s) 51.04
Current children cumulated vsize (KiB) 7936

[startup+102.305 s]
/proc/loadavg: 1.00 1.00 1.00 2/84 31566
/proc/meminfo: memFree=1605752/2055920 swapFree=4151496/4192956
[pid=31427] ppid=31425 vsize=8912 CPUtime=102.19
/proc/31427/stat : 31427 (picosat) R 31425 31427 30933 0 -1 4194304 1992 0 0 0 10185 34 0 0 25 0 1 0 283850166 9125888 1942 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525621 0 0 4096 0 0 0 0 17 1 0 0
/proc/31427/statm: 2228 1942 48 102 0 2123 0
Current children cumulated CPU time (s) 102.19
Current children cumulated vsize (KiB) 8912

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

[startup+115.101 s]
/proc/loadavg: 1.00 1.00 1.00 2/84 31592
/proc/meminfo: memFree=1605688/2055920 swapFree=4151496/4192956
[pid=31427] ppid=31425 vsize=8912 CPUtime=114.96
/proc/31427/stat : 31427 (picosat) R 31425 31427 30933 0 -1 4194304 1995 0 0 0 11462 34 0 0 25 0 1 0 283850166 9125888 1945 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525606 0 0 4096 0 0 0 0 17 1 0 0
/proc/31427/statm: 2228 1945 48 102 0 2123 0
Current children cumulated CPU time (s) 114.96
Current children cumulated vsize (KiB) 8912

[startup+118.302 s]
/proc/loadavg: 1.00 1.00 1.00 2/84 31596
/proc/meminfo: memFree=1605624/2055920 swapFree=4151496/4192956
[pid=31427] ppid=31425 vsize=8912 CPUtime=118.16
/proc/31427/stat : 31427 (picosat) R 31425 31427 30933 0 -1 4194304 1995 0 0 0 11782 34 0 0 25 0 1 0 283850166 9125888 1945 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525754 0 0 4096 0 0 0 0 17 1 0 0
/proc/31427/statm: 2228 1945 48 102 0 2123 0
Current children cumulated CPU time (s) 118.16
Current children cumulated vsize (KiB) 8912

[startup+119.906 s]
/proc/loadavg: 1.00 1.00 1.00 2/84 31598
/proc/meminfo: memFree=1605688/2055920 swapFree=4151496/4192956
[pid=31427] ppid=31425 vsize=8912 CPUtime=119.76
/proc/31427/stat : 31427 (picosat) R 31425 31427 30933 0 -1 4194304 1995 0 0 0 11942 34 0 0 25 0 1 0 283850166 9125888 1945 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525606 0 0 4096 0 0 0 0 17 1 0 0
/proc/31427/statm: 2228 1945 48 102 0 2123 0
Current children cumulated CPU time (s) 119.76
Current children cumulated vsize (KiB) 8912

[startup+120.702 s]
/proc/loadavg: 1.00 1.00 1.00 2/84 31598
/proc/meminfo: memFree=1605688/2055920 swapFree=4151496/4192956
[pid=31427] ppid=31425 vsize=8912 CPUtime=120.56
/proc/31427/stat : 31427 (picosat) R 31425 31427 30933 0 -1 4194304 1995 0 0 0 12022 34 0 0 25 0 1 0 283850166 9125888 1945 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134529868 0 0 4096 0 0 0 0 17 1 0 0
/proc/31427/statm: 2228 1945 48 102 0 2123 0
Current children cumulated CPU time (s) 120.56
Current children cumulated vsize (KiB) 8912

[startup+121.502 s]
/proc/loadavg: 1.00 1.00 1.00 2/84 31598
/proc/meminfo: memFree=1605688/2055920 swapFree=4151496/4192956
[pid=31427] ppid=31425 vsize=8912 CPUtime=121.36
/proc/31427/stat : 31427 (picosat) R 31425 31427 30933 0 -1 4194304 1995 0 0 0 12102 34 0 0 25 0 1 0 283850166 9125888 1945 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525754 0 0 4096 0 0 0 0 17 1 0 0
/proc/31427/statm: 2228 1945 48 102 0 2123 0
Current children cumulated CPU time (s) 121.36
Current children cumulated vsize (KiB) 8912

[startup+121.702 s]
/proc/loadavg: 1.00 1.00 1.00 2/84 31598
/proc/meminfo: memFree=1605688/2055920 swapFree=4151496/4192956
[pid=31427] ppid=31425 vsize=8912 CPUtime=121.56
/proc/31427/stat : 31427 (picosat) R 31425 31427 30933 0 -1 4194304 1995 0 0 0 12122 34 0 0 25 0 1 0 283850166 9125888 1945 18446744073709551615 134512640 134931368 4294956640 18446744073709551615 134525754 0 0 4096 0 0 0 0 17 1 0 0
/proc/31427/statm: 2228 1945 48 102 0 2123 0
Current children cumulated CPU time (s) 121.56
Current children cumulated vsize (KiB) 8912

Child status: 20
Real time (s): 121.718
CPU time (s): 121.582
CPU user time (s): 121.237
CPU system time (s): 0.344947
CPU usage (%): 99.8881
Max. virtual memory (cumulated for all children) (KiB): 8912

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 121.237
system time used= 0.344947
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1997
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= 2027

runsolver used 0.113982 second user time and 0.333949 second system time

The end

Launcher Data (download as text)

Begin job on node72 on Wed Feb 28 05:00:24 UTC 2007

IDJOB= 314542
IDBENCH= 20394
IDSOLVER= 106
FILE ID= node72/314542-1172638824

PBS_JOBID= 3981140

Free space on /tmp= 66532 MiB

SOLVER NAME= picosat 535
BENCH NAME= HOME/pub/bench/SAT07/industrial/fuhs/medium/AProVE07-15.cnf
COMMAND LINE= /tmp/evaluation/314542-1172638824/picosat /tmp/evaluation/314542-1172638824/instance-314542-1172638824.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node72/watcher-314542-1172638824 -o ROOT/results/node72/solver-314542-1172638824 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/314542-1172638824/picosat /tmp/evaluation/314542-1172638824/instance-314542-1172638824.cnf            

META MD5SUM SOLVER= 1cb12d44dc66ecc4d20a168f5cfd1323
MD5SUM BENCH=  3d9c71b515699560fe1678f286b58acb

RANDOM SEED= 764970782

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node72.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:       1615560 kB
Buffers:         26636 kB
Cached:         349348 kB
SwapCached:       9576 kB
Active:          79060 kB
Inactive:       321212 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1615560 kB
SwapTotal:     4192956 kB
SwapFree:      4151496 kB
Dirty:            1756 kB
Writeback:           0 kB
Mapped:          30112 kB
Slab:            25704 kB
Committed_AS:   679540 kB
PageTables:       1680 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= 66532 MiB

End job on node72 on Wed Feb 28 05:02:26 UTC 2007