Trace number 312666

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 2007-02-08UNSAT 2.17967 2.18193

General information on the benchmark

Nameindustrial/anbulagan/
medium-unsat/total-5-13-u.cnf
MD5SUM127968d7d14f3ab7655995f561e62ed8
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark63.9453
Satisfiable
(Un)Satisfiability was proved
Number of variables178708
Number of clauses806681
Sum of the clauses size1842626
Maximum clause length10
Minimum clause length1
Number of clauses of size 115072
Number of clauses of size 2648853
Number of clauses of size 3108896
Number of clauses of size 43760
Number of clauses of size 515040
Number of clauses of size over 515060

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:  178708                                               |
0.00/0.00	|  Number of clauses:    806681                                               |
2.09/2.16	|  Parsing time:         2.07         s                                       |
2.09/2.16	Solved by unit propagation
2.09/2.16	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/node54/watcher-312666-1176857985 -o ROOT/results/node54/solver-312666-1176857985 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/312666-1176857985/minimarch /tmp/evaluation/312666-1176857985/instance-312666-1176857985.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: 0.90 0.95 0.95 3/66 11898
/proc/meminfo: memFree=1709888/2055920 swapFree=4181256/4192956
[pid=11898] ppid=11896 vsize=2488 CPUtime=0
/proc/11898/stat : 11898 (minimarch) R 11896 11898 10844 0 -1 4194304 507 0 0 0 0 0 0 0 18 0 1 0 133173030 2547712 491 18446744073709551615 134512640 135054332 4294956624 18446744073709551615 134691888 0 0 4096 3 0 0 0 17 1 0 0
/proc/11898/statm: 622 493 51 132 0 487 0

[startup+0.102968 s]
/proc/loadavg: 0.90 0.95 0.95 3/66 11898
/proc/meminfo: memFree=1709888/2055920 swapFree=4181256/4192956
[pid=11898] ppid=11896 vsize=12836 CPUtime=0.09
/proc/11898/stat : 11898 (minimarch) R 11896 11898 10844 0 -1 4194304 2959 0 0 0 8 1 0 0 18 0 1 0 133173030 13144064 2943 18446744073709551615 134512640 135054332 4294956624 18446744073709551615 134533192 0 0 4096 3 0 0 0 17 1 0 0
/proc/11898/statm: 3242 2944 51 132 0 3107 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 12836

[startup+0.20198 s]
/proc/loadavg: 0.90 0.95 0.95 3/66 11898
/proc/meminfo: memFree=1709888/2055920 swapFree=4181256/4192956
[pid=11898] ppid=11896 vsize=29256 CPUtime=0.19
/proc/11898/stat : 11898 (minimarch) R 11896 11898 10844 0 -1 4194304 6372 0 0 0 15 4 0 0 18 0 1 0 133173030 29958144 6356 18446744073709551615 134512640 135054332 4294956624 18446744073709551615 134688823 0 0 4096 3 0 0 0 17 1 0 0
/proc/11898/statm: 7314 6357 51 132 0 7179 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 29256

[startup+0.301992 s]
/proc/loadavg: 0.90 0.95 0.95 3/66 11898
/proc/meminfo: memFree=1709888/2055920 swapFree=4181256/4192956
[pid=11898] ppid=11896 vsize=37916 CPUtime=0.29
/proc/11898/stat : 11898 (minimarch) R 11896 11898 10844 0 -1 4194304 7940 0 0 0 24 5 0 0 19 0 1 0 133173030 38825984 7924 18446744073709551615 134512640 135054332 4294956624 18446744073709551615 134688823 0 0 4096 3 0 0 0 17 1 0 0
/proc/11898/statm: 9479 7924 51 132 0 9344 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 37916

[startup+0.701043 s]
/proc/loadavg: 0.90 0.95 0.95 3/66 11898
/proc/meminfo: memFree=1709888/2055920 swapFree=4181256/4192956
[pid=11898] ppid=11896 vsize=56532 CPUtime=0.69
/proc/11898/stat : 11898 (minimarch) R 11896 11898 10844 0 -1 4194304 12478 0 0 0 61 8 0 0 22 0 1 0 133173030 57888768 12462 18446744073709551615 134512640 135054332 4294956624 18446744073709551615 134533192 0 0 4096 3 0 0 0 17 1 0 0
/proc/11898/statm: 14133 12463 51 132 0 13998 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 56532

[startup+1.50115 s]
/proc/loadavg: 0.90 0.95 0.95 2/67 11899
/proc/meminfo: memFree=1645176/2055920 swapFree=4181256/4192956
[pid=11898] ppid=11896 vsize=70752 CPUtime=1.49
/proc/11898/stat : 11898 (minimarch) R 11896 11898 10844 0 -1 4194304 16199 0 0 0 140 9 0 0 25 0 1 0 133173030 72450048 16183 18446744073709551615 134512640 135054332 4294956624 18446744073709551615 134523571 0 0 4096 3 0 0 0 17 1 0 0
/proc/11898/statm: 17688 16183 51 132 0 17553 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 70752

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

[startup+1.60116 s]
/proc/loadavg: 0.90 0.95 0.95 2/67 11899
/proc/meminfo: memFree=1645176/2055920 swapFree=4181256/4192956
[pid=11898] ppid=11896 vsize=70752 CPUtime=1.59
/proc/11898/stat : 11898 (minimarch) R 11896 11898 10844 0 -1 4194304 16199 0 0 0 150 9 0 0 25 0 1 0 133173030 72450048 16183 18446744073709551615 134512640 135054332 4294956624 18446744073709551615 134523077 0 0 4096 3 0 0 0 17 1 0 0
/proc/11898/statm: 17688 16183 51 132 0 17553 0
Current children cumulated CPU time (s) 1.59
Current children cumulated vsize (KiB) 70752

[startup+2.00121 s]
/proc/loadavg: 0.90 0.95 0.95 2/67 11899
/proc/meminfo: memFree=1645176/2055920 swapFree=4181256/4192956
[pid=11898] ppid=11896 vsize=70752 CPUtime=1.99
/proc/11898/stat : 11898 (minimarch) R 11896 11898 10844 0 -1 4194304 16199 0 0 0 190 9 0 0 25 0 1 0 133173030 72450048 16183 18446744073709551615 134512640 135054332 4294956624 18446744073709551615 134523047 0 0 4096 3 0 0 0 17 1 0 0
/proc/11898/statm: 17688 16183 51 132 0 17553 0
Current children cumulated CPU time (s) 1.99
Current children cumulated vsize (KiB) 70752

[startup+2.10122 s]
/proc/loadavg: 0.90 0.95 0.95 2/67 11899
/proc/meminfo: memFree=1645176/2055920 swapFree=4181256/4192956
[pid=11898] ppid=11896 vsize=70752 CPUtime=2.09
/proc/11898/stat : 11898 (minimarch) R 11896 11898 10844 0 -1 4194304 16199 0 0 0 200 9 0 0 25 0 1 0 133173030 72450048 16183 18446744073709551615 134512640 135054332 4294956624 18446744073709551615 134523074 0 0 4096 3 0 0 0 17 1 0 0
/proc/11898/statm: 17688 16183 51 132 0 17553 0
Current children cumulated CPU time (s) 2.09
Current children cumulated vsize (KiB) 70752

Child status: 20
Real time (s): 2.18193
CPU time (s): 2.17967
CPU user time (s): 2.07069
CPU system time (s): 0.108983
CPU usage (%): 99.8963
Max. virtual memory (cumulated for all children) (KiB): 70752

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.07069
system time used= 0.108983
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 16217
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= 5

runsolver used 0.007998 second user time and 0.009998 second system time

The end

Launcher Data (download as text)

Begin job on node54 on Wed Apr 18 00:59:46 UTC 2007

IDJOB= 312666
IDBENCH= 20347
IDSOLVER= 110
FILE ID= node54/312666-1176857985

PBS_JOBID= 4590190

Free space on /tmp= 66325 MiB

SOLVER NAME= minimarch 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/anbulagan/medium-unsat/total-5-13-u.cnf
COMMAND LINE= /tmp/evaluation/312666-1176857985/minimarch /tmp/evaluation/312666-1176857985/instance-312666-1176857985.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node54/watcher-312666-1176857985 -o ROOT/results/node54/solver-312666-1176857985 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/312666-1176857985/minimarch /tmp/evaluation/312666-1176857985/instance-312666-1176857985.cnf            

META MD5SUM SOLVER= cd0143c15836d32fe9acb8d523a59b67
MD5SUM BENCH=  127968d7d14f3ab7655995f561e62ed8

RANDOM SEED= 543432180

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node54.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		: 3000.234
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		: 3000.234
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:       1710296 kB
Buffers:         21764 kB
Cached:         273088 kB
SwapCached:       5028 kB
Active:          95360 kB
Inactive:       210332 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1710296 kB
SwapTotal:     4192956 kB
SwapFree:      4181256 kB
Dirty:           16384 kB
Writeback:           0 kB
Mapped:          15652 kB
Slab:            25868 kB
Committed_AS:  2020632 kB
PageTables:       1412 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66325 MiB

End job on node54 on Wed Apr 18 00:59:48 UTC 2007