Trace number 1786138

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
VARSAT-industrial 2009-03-22SAT 0.645901 0.646488

General information on the benchmark

NameCRAFTED/parity-games/
instance_n5_i5_pp.cnf
MD5SUM4cb9a7a38406e1e274285b953fde9d8b
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.150976
Satisfiable
(Un)Satisfiability was proved
Number of variables3655
Number of clauses26264
Sum of the clauses size84840
Maximum clause length20
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 25890
Number of clauses of size 311155
Number of clauses of size 46635
Number of clauses of size 52505
Number of clauses of size over 579

Solver Data 

0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Number of variables:  3655                                                 |
0.00/0.00	c |  Number of clauses:    26264                                                |
0.02/0.03	c |  Parsing time:         0.03         s                                       |
0.02/0.03	c |  Timeout:              43200 s
0.02/0.03	c |  Random Seed:          1894285908.000000
0.02/0.03	c |  Heuristic:            EMBP-G, threshold 0.950                              |
0.02/0.03	c |  Branching Rule:       default (solution-guided)                            |
0.02/0.03	c |  Learned clauses in surveys?  Using NO learned clauses.                     |
0.02/0.03	c |                                                                             |
0.09/0.13	c ============================[ Search Statistics ]==============================
0.09/0.13	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.09/0.13	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.09/0.13	c ===============================================================================
0.09/0.13	c |         0 |    2151    19887    69519 |     6629        0    nan |  0.000 % |
0.09/0.18	c |       100 |    2151    19887    69519 |     7291      100     11 |  3.420 % |
0.19/0.23	c |       253 |    2151    19887    69519 |     8021      253     14 |  3.420 % |
0.19/0.29	c |       478 |    2150    19887    69519 |     8823      477     18 |  3.447 % |
0.29/0.36	c |       815 |    2150    19851    69399 |     9705      812     16 |  3.447 % |
0.39/0.44	c |      1321 |    2150    19851    69399 |    10676     1318     17 |  3.447 % |
0.49/0.56	c |      2081 |    2150    19851    69399 |    11743     2078     21 |  3.447 % |
0.59/0.64	c ===============================================================================
0.59/0.64	c surveys--CPU time (sec)   : 0.2490         (39.15 % of total)
0.59/0.64	c surveys--attempted        : 7              (28 /sec)
0.59/0.64	c surveys--converged        : 7              (100.00 % successful)
0.59/0.64	c restarts              : 7
0.59/0.64	c conflicts             : 2584           (6678 /sec)
0.59/0.64	c decisions             : 7482           (1.60 % random) (19336 /sec)
0.59/0.64	c propagations          : 465238         (1202352 /sec)
0.59/0.64	c conflict literals     : 58983          (22.73 % deleted)
0.59/0.64	c Memory used           : 7.48 MB
0.59/0.64	c Total CPU time (sec)      : 0.6359      
0.59/0.64	c 
0.59/0.64	s SATISFIABLE
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Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1786138-1241948627/watcher-1786138-1241948627 -o /tmp/evaluation-result-1786138-1241948627/solver-1786138-1241948627 -C 5000 -W 6000 -M 1800 HOME/varsat-industrial_static -seed=1894285908 HOME/instance-1786138-1241948627.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 29607
/proc/meminfo: memFree=910000/2055920 swapFree=4175260/4192956
[pid=29607] ppid=29605 vsize=3124 CPUtime=0
/proc/29607/stat : 29607 (varsat-industri) R 29605 29607 28870 0 -1 4194304 493 0 0 0 0 0 0 0 18 0 1 0 222889430 3198976 478 1992294400 4194304 5102648 548682068784 18446744073709551615 4198381 0 0 4096 3 0 0 0 17 1 0 0
/proc/29607/statm: 781 478 87 221 0 557 0

[startup+0.031752 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 29607
/proc/meminfo: memFree=910000/2055920 swapFree=4175260/4192956
[pid=29607] ppid=29605 vsize=6052 CPUtime=0.02
/proc/29607/stat : 29607 (varsat-industri) R 29605 29607 28870 0 -1 4194304 1192 0 0 0 2 0 0 0 18 0 1 0 222889430 6197248 1177 1992294400 4194304 5102648 548682068784 18446744073709551615 4491703 0 0 4096 3 0 0 0 17 1 0 0
/proc/29607/statm: 1513 1178 87 221 0 1289 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 6052

[startup+0.101764 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 29607
/proc/meminfo: memFree=910000/2055920 swapFree=4175260/4192956
[pid=29607] ppid=29605 vsize=7876 CPUtime=0.09
/proc/29607/stat : 29607 (varsat-industri) R 29605 29607 28870 0 -1 4194304 1668 0 0 0 9 0 0 0 18 0 1 0 222889430 8065024 1653 1992294400 4194304 5102648 548682068784 18446744073709551615 4273172 0 0 4096 3 0 0 0 17 1 0 0
/proc/29607/statm: 1969 1653 100 221 0 1745 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7876

[startup+0.3018 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 29607
/proc/meminfo: memFree=910000/2055920 swapFree=4175260/4192956
[pid=29607] ppid=29605 vsize=7656 CPUtime=0.29
/proc/29607/stat : 29607 (varsat-industri) R 29605 29607 28870 0 -1 4194304 1764 0 0 0 29 0 0 0 19 0 1 0 222889430 7839744 1599 1992294400 4194304 5102648 548682068784 18446744073709551615 4215149 0 0 4096 3 0 0 0 17 1 0 0
/proc/29607/statm: 1914 1599 112 221 0 1690 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7656

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

[startup+0.501835 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 29607
/proc/meminfo: memFree=910000/2055920 swapFree=4175260/4192956
[pid=29607] ppid=29605 vsize=7656 CPUtime=0.49
/proc/29607/stat : 29607 (varsat-industri) R 29605 29607 28870 0 -1 4194304 1764 0 0 0 49 0 0 0 20 0 1 0 222889430 7839744 1599 1992294400 4194304 5102648 548682068784 18446744073709551615 4250391 0 0 4096 3 0 0 0 17 1 0 0
/proc/29607/statm: 1914 1599 112 221 0 1690 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 7656

[startup+0.601852 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 29607
/proc/meminfo: memFree=910000/2055920 swapFree=4175260/4192956
[pid=29607] ppid=29605 vsize=7656 CPUtime=0.59
/proc/29607/stat : 29607 (varsat-industri) R 29605 29607 28870 0 -1 4194304 1764 0 0 0 59 0 0 0 21 0 1 0 222889430 7839744 1599 1992294400 4194304 5102648 548682068784 18446744073709551615 4249744 0 0 4096 3 0 0 0 17 1 0 0
/proc/29607/statm: 1914 1599 112 221 0 1690 0
Current children cumulated CPU time (s) 0.59
Current children cumulated vsize (KiB) 7656

Child status: 10
Real time (s): 0.646488
CPU time (s): 0.645901
CPU user time (s): 0.636903
CPU system time (s): 0.008998
CPU usage (%): 99.9092
Max. virtual memory (cumulated for all children) (KiB): 7876

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.636903
system time used= 0.008998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1769
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= 2
involuntary context switches= 0

runsolver used 0.003999 second user time and 0.005999 second system time

The end

Launcher Data 

Begin job on node60 at 2009-05-10 11:43:47
IDJOB=1786138
IDBENCH=71630
IDSOLVER=641
FILE ID=node60/1786138-1241948627
PBS_JOBID= 9265045
Free space on /tmp= 66040 MiB

SOLVER NAME= VARSAT-industrial 2009-03-22
BENCH NAME= SAT09/CRAFTED/parity-games/instance_n5_i5_pp.cnf
COMMAND LINE= HOME/varsat-industrial_static -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1786138-1241948627/watcher-1786138-1241948627 -o /tmp/evaluation-result-1786138-1241948627/solver-1786138-1241948627 -C 5000 -W 6000 -M 1800  HOME/varsat-industrial_static -seed=1894285908 HOME/instance-1786138-1241948627.cnf

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 4cb9a7a38406e1e274285b953fde9d8b
RANDOM SEED=1894285908

node60.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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:        910480 kB
Buffers:         72060 kB
Cached:         978316 kB
SwapCached:      12124 kB
Active:         401044 kB
Inactive:       664052 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        910480 kB
SwapTotal:     4192956 kB
SwapFree:      4175260 kB
Dirty:            1496 kB
Writeback:           0 kB
Mapped:          14084 kB
Slab:            66292 kB
Committed_AS:   769836 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= 66040 MiB
End job on node60 at 2009-05-10 11:43:47