Trace number 313346

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 3.59845 3.60095

General information on the benchmark

Nameindustrial/anbulagan/
medium-sat/total-10-15-s.cnf
MD5SUMc19d8230b3c2026af5f29abce0d10f19
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark41.1987
Satisfiable
(Un)Satisfiability was proved
Number of variables270120
Number of clauses1250036
Sum of the clauses size2877772
Maximum clause length10
Minimum clause length1
Number of clauses of size 122595
Number of clauses of size 2979486
Number of clauses of size 3197175
Number of clauses of size 45640
Number of clauses of size 522560
Number of clauses of size over 522580

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:  270120                                               |
0.00/0.00	|  Number of clauses:    1250036                                              |
3.49/3.58	|  Parsing time:         3.46         s                                       |
3.49/3.58	Solved by unit propagation
3.49/3.58	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/node68/watcher-313346-1176883178 -o ROOT/results/node68/solver-313346-1176883178 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/313346-1176883178/minimarch /tmp/evaluation/313346-1176883178/instance-313346-1176883178.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: 0.91 0.95 0.97 3/64 11078
/proc/meminfo: memFree=1548184/2055920 swapFree=4181368/4192956
[pid=11078] ppid=11076 vsize=2340 CPUtime=0
/proc/11078/stat : 11078 (minimarch) R 11076 11078 10275 0 -1 4194304 474 0 0 0 0 0 0 0 18 0 1 0 164307332 2396160 458 18446744073709551615 134512640 135054332 4294956672 18446744073709551615 134554367 0 0 4096 3 0 0 0 17 1 0 0
/proc/11078/statm: 585 460 51 132 0 450 0

[startup+0.065576 s]
/proc/loadavg: 0.91 0.95 0.97 3/64 11078
/proc/meminfo: memFree=1548184/2055920 swapFree=4181368/4192956
[pid=11078] ppid=11076 vsize=9348 CPUtime=0.05
/proc/11078/stat : 11078 (minimarch) R 11076 11078 10275 0 -1 4194304 2041 0 0 0 5 0 0 0 18 0 1 0 164307332 9572352 2025 18446744073709551615 134512640 135054332 4294956672 18446744073709551615 134688823 0 0 4096 3 0 0 0 17 1 0 0
/proc/11078/statm: 2337 2026 51 132 0 2202 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 9348

[startup+0.101578 s]
/proc/loadavg: 0.91 0.95 0.97 3/64 11078
/proc/meminfo: memFree=1548184/2055920 swapFree=4181368/4192956
[pid=11078] ppid=11076 vsize=11172 CPUtime=0.09
/proc/11078/stat : 11078 (minimarch) R 11076 11078 10275 0 -1 4194304 2509 0 0 0 9 0 0 0 18 0 1 0 164307332 11440128 2493 18446744073709551615 134512640 135054332 4294956672 18446744073709551615 134553765 0 0 4096 3 0 0 0 17 1 0 0
/proc/11078/statm: 2793 2494 51 132 0 2658 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 11172

[startup+0.301595 s]
/proc/loadavg: 0.91 0.95 0.97 3/64 11078
/proc/meminfo: memFree=1548184/2055920 swapFree=4181368/4192956
[pid=11078] ppid=11076 vsize=44088 CPUtime=0.29
/proc/11078/stat : 11078 (minimarch) R 11076 11078 10275 0 -1 4194304 9418 0 0 0 26 3 0 0 19 0 1 0 164307332 45146112 9402 18446744073709551615 134512640 135054332 4294956672 18446744073709551615 134553765 0 0 4096 3 0 0 0 17 1 0 0
/proc/11078/statm: 11022 9403 51 132 0 10887 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 44088

[startup+0.701632 s]
/proc/loadavg: 0.91 0.95 0.97 3/64 11078
/proc/meminfo: memFree=1548184/2055920 swapFree=4181368/4192956
[pid=11078] ppid=11076 vsize=67008 CPUtime=0.69
/proc/11078/stat : 11078 (minimarch) R 11076 11078 10275 0 -1 4194304 14443 0 0 0 64 5 0 0 22 0 1 0 164307332 68616192 14427 18446744073709551615 134512640 135054332 4294956672 18446744073709551615 134688823 0 0 4096 3 0 0 0 17 1 0 0
/proc/11078/statm: 16752 14427 51 132 0 16617 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 67008

[startup+1.50271 s]
/proc/loadavg: 0.91 0.95 0.97 2/65 11079
/proc/meminfo: memFree=1478416/2055920 swapFree=4181368/4192956
[pid=11078] ppid=11076 vsize=104332 CPUtime=1.49
/proc/11078/stat : 11078 (minimarch) R 11076 11078 10275 0 -1 4194304 23912 0 0 0 138 11 0 0 25 0 1 0 164307332 106835968 23896 18446744073709551615 134512640 135054332 4294956672 18446744073709551615 134515637 0 0 4096 3 0 0 0 17 1 0 0
/proc/11078/statm: 26083 23896 51 132 0 25948 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 104332

[startup+3.10186 s]
/proc/loadavg: 0.91 0.95 0.97 2/65 11079
/proc/meminfo: memFree=1448656/2055920 swapFree=4181368/4192956
[pid=11078] ppid=11076 vsize=106708 CPUtime=3.09
/proc/11078/stat : 11078 (minimarch) R 11076 11078 10275 0 -1 4194304 24638 0 0 0 297 12 0 0 25 0 1 0 164307332 109268992 24622 18446744073709551615 134512640 135054332 4294956672 18446744073709551615 134523598 0 0 4096 3 0 0 0 17 1 0 0
/proc/11078/statm: 26677 24622 51 132 0 26542 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 106708

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

[startup+3.50189 s]
/proc/loadavg: 0.91 0.95 0.97 2/65 11079
/proc/meminfo: memFree=1449616/2055920 swapFree=4181368/4192956
[pid=11078] ppid=11076 vsize=106708 CPUtime=3.49
/proc/11078/stat : 11078 (minimarch) R 11076 11078 10275 0 -1 4194304 24638 0 0 0 337 12 0 0 25 0 1 0 164307332 109268992 24622 18446744073709551615 134512640 135054332 4294956672 18446744073709551615 134523024 0 0 4096 3 0 0 0 17 1 0 0
/proc/11078/statm: 26677 24622 51 132 0 26542 0
Current children cumulated CPU time (s) 3.49
Current children cumulated vsize (KiB) 106708

Child status: 20
Real time (s): 3.60095
CPU time (s): 3.59845
CPU user time (s): 3.46147
CPU system time (s): 0.136979
CPU usage (%): 99.9306
Max. virtual memory (cumulated for all children) (KiB): 106708

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.46147
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= 24663
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= 8

runsolver used 0.006998 second user time and 0.012998 second system time

The end

Launcher Data (download as text)

Begin job on node68 on Wed Apr 18 07:59:38 UTC 2007

IDJOB= 313346
IDBENCH= 20364
IDSOLVER= 110
FILE ID= node68/313346-1176883178

PBS_JOBID= 4590319

Free space on /tmp= 66280 MiB

SOLVER NAME= minimarch 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/anbulagan/medium-sat/total-10-15-s.cnf
COMMAND LINE= /tmp/evaluation/313346-1176883178/minimarch /tmp/evaluation/313346-1176883178/instance-313346-1176883178.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node68/watcher-313346-1176883178 -o ROOT/results/node68/solver-313346-1176883178 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/313346-1176883178/minimarch /tmp/evaluation/313346-1176883178/instance-313346-1176883178.cnf            

META MD5SUM SOLVER= cd0143c15836d32fe9acb8d523a59b67
MD5SUM BENCH=  c19d8230b3c2026af5f29abce0d10f19

RANDOM SEED= 916253652

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node68.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		: 3000.216
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		: 3000.216
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:       1548592 kB
Buffers:         17888 kB
Cached:         394468 kB
SwapCached:       5776 kB
Active:         172800 kB
Inactive:       271948 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1548592 kB
SwapTotal:     4192956 kB
SwapFree:      4181368 kB
Dirty:           24904 kB
Writeback:           0 kB
Mapped:          35484 kB
Slab:            48596 kB
Committed_AS:  2685064 kB
PageTables:       1448 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= 66280 MiB

End job on node68 on Wed Apr 18 07:59:42 UTC 2007