Trace number 427153

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 2007-04-26 (fixed)SAT 0.046992 0.0476261

General information on the benchmark

Namerandom/OnTreshold/5SAT/v70/
unif-k5-r21.3-v70-c1491-S2081149830-10.SAT.shuffled.cnf
MD5SUMd0cf7e3234604bad410cc03581b4891e
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.007997
Satisfiable
(Un)Satisfiability was proved
Number of variables70
Number of clauses1491
Sum of the clauses size7455
Maximum clause length5
Minimum clause length5
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 51491
Number of clauses of size over 50

Solver Data (download as text)

0.00/0.00	This is MiniMarch 1.1, 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:  70                                                   |
0.00/0.00	|  Number of clauses:    1491                                                 |
0.00/0.00	|  Parsing time:         0.00         s                                       |
0.00/0.01	============================[ Search Statistics ]==============================
0.00/0.01	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.01	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.01	===============================================================================
0.00/0.01	|         0 |      70     1491     7455 |      497        0    nan |  0.000 % |
0.00/0.02	|       100 |      70     1491     7455 |      546      100     18 |  0.021 % |
0.00/0.02	|       251 |      70     1491     7455 |      601      251     18 |  0.021 % |
0.00/0.03	|       476 |      70     1491     7455 |      661      476     17 |  0.021 % |
0.00/0.04	|       815 |      70     1491     7455 |      727      476     17 |  0.021 % |
0.00/0.04	===============================================================================
0.00/0.04	lookaheads            : 36
0.00/0.04	variable balance      : 0.00
0.00/0.04	restarts              : 5
0.00/0.04	conflicts             : 1007           (22381 /sec)
0.00/0.04	decisions             : 1227           (1.79 % random) (27271 /sec)
0.00/0.04	decision = positive   : 530
0.00/0.04	decision = negative   : 696
0.00/0.04	propagations          : 13456          (299069 /sec)
0.00/0.04	conflict literals     : 17279          (10.62 % deleted)
0.00/0.04	Memory used           : 1.81 MB
0.00/0.04	CPU time              : 0.044993 s
0.00/0.04	
0.00/0.04	s SATISFIABLE
0.00/0.04	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 26 27 28 29 30 31 32 -33 -34 35 36 -37 38 -39 40 41 -42 43 44 45 -46 47 -48 -49 -50 51 52 -53 54 -55 -56 -57 58 -59 -60 61 -62 -63 64 -65 66 -67 -68 -69 -70 0

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node39/watcher-427153-1177628436 -o ROOT/results/node39/solver-427153-1177628436 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/427153-1177628436/minimarch_fixed /tmp/evaluation/427153-1177628436/instance-427153-1177628436.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 0.92 0.96 3/77 17619
/proc/meminfo: memFree=1659176/2055920 swapFree=4159384/4192956
[pid=17619] ppid=17617 vsize=1868 CPUtime=0
/proc/17619/stat : 17619 (minimarch_fixed) R 17617 17619 16266 0 -1 4194304 118 0 0 0 0 0 0 0 18 0 1 0 210755671 1912832 103 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134523580 0 0 4096 3 0 0 0 17 1 0 0
/proc/17619/statm: 467 103 51 132 0 332 0

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

Child status: 10
Real time (s): 0.0476261
CPU time (s): 0.046992
CPU user time (s): 0.044993
CPU system time (s): 0.001999
CPU usage (%): 98.6685
Max. virtual memory (cumulated for all children) (KiB): 0

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.044993
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 145
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= 0

runsolver used 0.002999 second user time and 0.005999 second system time

The end

Launcher Data (download as text)

Begin job on node39 on Thu Apr 26 23:00:36 UTC 2007

IDJOB= 427153
IDBENCH= 19832
IDSOLVER= 198
FILE ID= node39/427153-1177628436

PBS_JOBID= 4697190

Free space on /tmp= 66503 MiB

SOLVER NAME= minimarch 2007-04-26 (fixed)
BENCH NAME= HOME/pub/bench/SAT07/random/OnTreshold/5SAT/v70/unif-k5-r21.3-v70-c1491-S2081149830-10.SAT.shuffled.cnf
COMMAND LINE= /tmp/evaluation/427153-1177628436/minimarch_fixed /tmp/evaluation/427153-1177628436/instance-427153-1177628436.cnf
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node39/watcher-427153-1177628436 -o ROOT/results/node39/solver-427153-1177628436 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/427153-1177628436/minimarch_fixed /tmp/evaluation/427153-1177628436/instance-427153-1177628436.cnf

META MD5SUM SOLVER= 08d902191c06ef4f82d57c2f2b6a82c2
MD5SUM BENCH=  d0cf7e3234604bad410cc03581b4891e

RANDOM SEED= 633152427

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node39.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		: 3000.256
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		: 3000.256
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:       1659648 kB
Buffers:         47240 kB
Cached:         256256 kB
SwapCached:      13996 kB
Active:         192344 kB
Inactive:       135500 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1659648 kB
SwapTotal:     4192956 kB
SwapFree:      4159384 kB
Dirty:            3088 kB
Writeback:           0 kB
Mapped:          31196 kB
Slab:            53756 kB
Committed_AS:  2049776 kB
PageTables:       2012 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= 66503 MiB

End job on node39 on Thu Apr 26 23:00:36 UTC 2007