Trace number 313026

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
minimarch 2007-02-08Wrong UNSAT 4.86726 4.87079

General information on the benchmark

Nameindustrial/anbulagan/
medium-sat/total-10-19-s.cnf
MD5SUMbea511c9a03a4804efe79689b911729e
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark27.2349
Satisfiable
(Un)Satisfiability was proved
Number of variables331631
Number of clauses1586193
Sum of the clauses size3688066
Maximum clause length10
Minimum clause length1
Number of clauses of size 127559
Number of clauses of size 21201215
Number of clauses of size 3295479
Number of clauses of size 46880
Number of clauses of size 527520
Number of clauses of size over 527540

Solver Data (download as text)

0.00/0.00	This is MiniMarch, a modified version of MiniSat 2.0 beta
0.00/0.00	WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	============================[ Problem Statistics ]=============================
0.00/0.00	|                                                                             |
0.00/0.00	|  Number of variables:  331631                                               |
0.00/0.00	|  Number of clauses:    1586193                                              |
4.79/4.84	|  Parsing time:         4.68         s                                       |
4.79/4.84	Solved by unit propagation
4.79/4.84	s UNSATISFIABLE

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node34/watcher-313026-1176872382 -o ROOT/results/node34/solver-313026-1176872382 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/313026-1176872382/minimarch /tmp/evaluation/313026-1176872382/instance-313026-1176872382.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: 0.99 0.97 0.99 3/77 7345
/proc/meminfo: memFree=1758280/2055920 swapFree=4132176/4192956
[pid=7345] ppid=7343 vsize=2340 CPUtime=0
/proc/7345/stat : 7345 (minimarch) R 7343 7345 6023 0 -1 4194304 476 0 0 0 0 0 0 0 18 0 1 0 135153676 2396160 460 18446744073709551615 134512640 135054332 4294956672 18446744073709551615 134533283 0 0 4096 3 0 0 0 17 1 0 0
/proc/7345/statm: 585 461 51 132 0 450 0

[startup+0.0617379 s]
/proc/loadavg: 0.99 0.97 0.99 3/77 7345
/proc/meminfo: memFree=1758280/2055920 swapFree=4132176/4192956
[pid=7345] ppid=7343 vsize=10484 CPUtime=0.05
/proc/7345/stat : 7345 (minimarch) R 7343 7345 6023 0 -1 4194304 2131 0 0 0 4 1 0 0 18 0 1 0 135153676 10735616 2115 18446744073709551615 134512640 135054332 4294956672 18446744073709551615 134688823 0 0 4096 3 0 0 0 17 1 0 0
/proc/7345/statm: 2621 2115 51 132 0 2486 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 10484

[startup+0.101741 s]
/proc/loadavg: 0.99 0.97 0.99 3/77 7345
/proc/meminfo: memFree=1758280/2055920 swapFree=4132176/4192956
[pid=7345] ppid=7343 vsize=12572 CPUtime=0.09
/proc/7345/stat : 7345 (minimarch) R 7343 7345 6023 0 -1 4194304 2678 0 0 0 8 1 0 0 18 0 1 0 135153676 12873728 2662 18446744073709551615 134512640 135054332 4294956672 18446744073709551615 134688823 0 0 4096 3 0 0 0 17 1 0 0
/proc/7345/statm: 3143 2663 51 132 0 3008 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 12572

[startup+0.301757 s]
/proc/loadavg: 0.99 0.97 0.99 3/77 7345
/proc/meminfo: memFree=1758280/2055920 swapFree=4132176/4192956
[pid=7345] ppid=7343 vsize=44028 CPUtime=0.29
/proc/7345/stat : 7345 (minimarch) R 7343 7345 6023 0 -1 4194304 8993 0 0 0 25 4 0 0 19 0 1 0 135153676 45084672 8977 18446744073709551615 134512640 135054332 4294956672 18446744073709551615 134553752 0 0 4096 3 0 0 0 17 1 0 0
/proc/7345/statm: 11007 8981 51 132 0 10872 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 44028

[startup+0.701788 s]
/proc/loadavg: 0.99 0.97 0.99 3/77 7345
/proc/meminfo: memFree=1758280/2055920 swapFree=4132176/4192956
[pid=7345] ppid=7343 vsize=67476 CPUtime=0.69
/proc/7345/stat : 7345 (minimarch) R 7343 7345 6023 0 -1 4194304 15892 0 0 0 62 7 0 0 23 0 1 0 135153676 69095424 15876 18446744073709551615 134512640 135054332 4294956672 18446744073709551615 134688823 0 0 4096 3 0 0 0 17 1 0 0
/proc/7345/statm: 16869 15877 51 132 0 16734 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 67476

[startup+1.50185 s]
/proc/loadavg: 0.99 0.97 0.99 2/78 7346
/proc/meminfo: memFree=1683456/2055920 swapFree=4132176/4192956
[pid=7345] ppid=7343 vsize=104536 CPUtime=1.49
/proc/7345/stat : 7345 (minimarch) R 7343 7345 6023 0 -1 4194304 24596 0 0 0 136 13 0 0 25 0 1 0 135153676 107044864 24580 18446744073709551615 134512640 135054332 4294956672 18446744073709551615 134688823 0 0 4096 3 0 0 0 17 1 0 0
/proc/7345/statm: 26134 24581 51 132 0 25999 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 104536

[startup+3.10198 s]
/proc/loadavg: 0.99 0.97 0.99 2/78 7346
/proc/meminfo: memFree=1633728/2055920 swapFree=4132176/4192956
[pid=7345] ppid=7343 vsize=137216 CPUtime=3.09
/proc/7345/stat : 7345 (minimarch) R 7343 7345 6023 0 -1 4194304 31068 0 0 0 293 16 0 0 25 0 1 0 135153676 140509184 31052 18446744073709551615 134512640 135054332 4294956672 18446744073709551615 134522960 0 0 4096 3 0 0 0 17 1 0 0
/proc/7345/statm: 34304 31052 51 132 0 34169 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 137216

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

[startup+3.90104 s]
/proc/loadavg: 0.99 0.97 0.99 2/78 7346
/proc/meminfo: memFree=1633728/2055920 swapFree=4132176/4192956
[pid=7345] ppid=7343 vsize=137216 CPUtime=3.88
/proc/7345/stat : 7345 (minimarch) R 7343 7345 6023 0 -1 4194304 31068 0 0 0 372 16 0 0 25 0 1 0 135153676 140509184 31052 18446744073709551615 134512640 135054332 4294956672 18446744073709551615 134523540 0 0 4096 3 0 0 0 17 1 0 0
/proc/7345/statm: 34304 31052 51 132 0 34169 0
Current children cumulated CPU time (s) 3.88
Current children cumulated vsize (KiB) 137216

[startup+4.30107 s]
/proc/loadavg: 0.99 0.97 0.99 2/78 7346
/proc/meminfo: memFree=1633728/2055920 swapFree=4132176/4192956
[pid=7345] ppid=7343 vsize=137216 CPUtime=4.29
/proc/7345/stat : 7345 (minimarch) R 7343 7345 6023 0 -1 4194304 31068 0 0 0 413 16 0 0 25 0 1 0 135153676 140509184 31052 18446744073709551615 134512640 135054332 4294956672 18446744073709551615 134523421 0 0 4096 3 0 0 0 17 1 0 0
/proc/7345/statm: 34304 31052 51 132 0 34169 0
Current children cumulated CPU time (s) 4.29
Current children cumulated vsize (KiB) 137216

[startup+4.70111 s]
/proc/loadavg: 0.99 0.97 0.99 2/78 7346
/proc/meminfo: memFree=1633728/2055920 swapFree=4132176/4192956
[pid=7345] ppid=7343 vsize=137216 CPUtime=4.68
/proc/7345/stat : 7345 (minimarch) R 7343 7345 6023 0 -1 4194304 31068 0 0 0 452 16 0 0 25 0 1 0 135153676 140509184 31052 18446744073709551615 134512640 135054332 4294956672 18446744073709551615 134523421 0 0 4096 3 0 0 0 17 1 0 0
/proc/7345/statm: 34304 31052 51 132 0 34169 0
Current children cumulated CPU time (s) 4.68
Current children cumulated vsize (KiB) 137216

[startup+4.80211 s]
/proc/loadavg: 0.99 0.97 0.99 2/78 7346
/proc/meminfo: memFree=1633728/2055920 swapFree=4132176/4192956
[pid=7345] ppid=7343 vsize=137216 CPUtime=4.79
/proc/7345/stat : 7345 (minimarch) R 7343 7345 6023 0 -1 4194304 31068 0 0 0 463 16 0 0 25 0 1 0 135153676 140509184 31052 18446744073709551615 134512640 135054332 4294956672 18446744073709551615 134523337 0 0 4096 3 0 0 0 17 1 0 0
/proc/7345/statm: 34304 31052 51 132 0 34169 0
Current children cumulated CPU time (s) 4.79
Current children cumulated vsize (KiB) 137216

Child status: 20
Real time (s): 4.87079
CPU time (s): 4.86726
CPU user time (s): 4.67629
CPU system time (s): 0.19097
CPU usage (%): 99.9274
Max. virtual memory (cumulated for all children) (KiB): 137216

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.67629
system time used= 0.19097
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 31088
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= 106

runsolver used 0.006998 second user time and 0.014997 second system time

The end

Launcher Data (download as text)

Begin job on node34 on Wed Apr 18 04:59:42 UTC 2007

IDJOB= 313026
IDBENCH= 20356
IDSOLVER= 110
FILE ID= node34/313026-1176872382

PBS_JOBID= 4590273

Free space on /tmp= 66443 MiB

SOLVER NAME= minimarch 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/anbulagan/medium-sat/total-10-19-s.cnf
COMMAND LINE= /tmp/evaluation/313026-1176872382/minimarch /tmp/evaluation/313026-1176872382/instance-313026-1176872382.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node34/watcher-313026-1176872382 -o ROOT/results/node34/solver-313026-1176872382 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/313026-1176872382/minimarch /tmp/evaluation/313026-1176872382/instance-313026-1176872382.cnf            

META MD5SUM SOLVER= cd0143c15836d32fe9acb8d523a59b67
MD5SUM BENCH=  bea511c9a03a4804efe79689b911729e

RANDOM SEED= 445339403

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node34.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:       1758752 kB
Buffers:         27592 kB
Cached:         171592 kB
SwapCached:       3048 kB
Active:         106828 kB
Inactive:       140276 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1758752 kB
SwapTotal:     4192956 kB
SwapFree:      4132176 kB
Dirty:           31600 kB
Writeback:           0 kB
Mapped:          54708 kB
Slab:            35324 kB
Committed_AS:   431048 kB
PageTables:       2032 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= 66443 MiB

End job on node34 on Wed Apr 18 04:59:47 UTC 2007