Trace number 1773338

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
CircUs 2009-03-23UNSAT 2.06369 2.06521

General information on the benchmark

Namecmu-bmc-barrel6.cnf
MD5SUMcc87f90bf08e13838e59f0f2639db121
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark1.82072
Satisfiable
(Un)Satisfiability was proved
Number of variables2306
Number of clauses8931
Sum of the clauses size24664
Maximum clause length217
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 22629
Number of clauses of size 36048
Number of clauses of size 4252
Number of clauses of size 50
Number of clauses of size over 52

Solver Data 

0.00/0.05	c CirCUs release 2.0 (compiled 25-Mar-09 at 4:46 PM)
0.00/0.05	c Eliminate time :       0.05 
1.99/2.06	c CNF read time  :          0 
1.99/2.06	c CNF solve time :       2.05 
1.99/2.06	c Memory usage :    3.57031 MB
1.99/2.06	c Restart : 23
1.99/2.06	c Decisions : random(428), heuristic(48114), history(0/0)
1.99/2.06	c Implications : 2183351
1.99/2.06	c Forced Restart : 0
1.99/2.06	c Polarity Change : 89
1.99/2.06	c Learned clasues  : 4611 out of 21848
1.99/2.06	c Learned literals : 153877 out of 1132875
1.99/2.06	c Number of first UIP : 3663 out of 21848
1.99/2.06	c Number of simplify : 2
1.99/2.06	c Number of continuous distill : 1001
1.99/2.06	c Average depth of OTS : 8
1.99/2.06	c Average depth of additional conflict : 17
1.99/2.06	c Saved conflict clasues : 655
1.99/2.06	c Saved conflict literals : 2653
1.99/2.06	c Additional conflict clauses : 224
1.99/2.06	c Additional conflict literals : 2701
1.99/2.06	c Additional conflict analysis : 371
1.99/2.06	s UNSATISFIABLE

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1773338-1241316223/watcher-1773338-1241316223 -o /tmp/evaluation-result-1773338-1241316223/solver-1773338-1241316223 -C 10000 -W 12000 -M 1800 HOME/CirCUs HOME/instance-1773338-1241316223.cnf -t 10000 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 10000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 10030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 12000 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 3/65 18977
/proc/meminfo: memFree=875424/2055920 swapFree=4192812/4192956
[pid=18977] ppid=18975 vsize=1588 CPUtime=0
/proc/18977/stat : 18977 (CirCUs) R 18975 18977 18413 0 -1 4194304 207 0 0 0 0 0 0 0 20 0 1 1000000 159651793 1626112 192 1992294400 134512640 135224549 4294956224 18446744073709551615 134726486 0 0 4096 8192 0 0 0 17 1 0 0
/proc/18977/statm: 397 192 70 173 0 222 0

[startup+0.0887741 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 18977
/proc/meminfo: memFree=875424/2055920 swapFree=4192812/4192956
[pid=18977] ppid=18975 vsize=2596 CPUtime=0.08
/proc/18977/stat : 18977 (CirCUs) R 18975 18977 18413 0 -1 4194304 495 0 0 0 8 0 0 0 20 0 1 1000000 159651793 2658304 479 1992294400 134512640 135224549 4294956224 18446744073709551615 134595334 0 0 4096 8192 0 0 0 17 1 0 0
/proc/18977/statm: 649 479 92 173 0 474 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 2596

[startup+0.101775 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 18977
/proc/meminfo: memFree=875424/2055920 swapFree=4192812/4192956
[pid=18977] ppid=18975 vsize=2728 CPUtime=0.09
/proc/18977/stat : 18977 (CirCUs) R 18975 18977 18413 0 -1 4194304 502 0 0 0 9 0 0 0 20 0 1 1000000 159651793 2793472 486 1992294400 134512640 135224549 4294956224 18446744073709551615 134618916 0 0 4096 8192 0 0 0 17 1 0 0
/proc/18977/statm: 682 486 92 173 0 507 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2728

[startup+0.301811 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 18977
/proc/meminfo: memFree=875424/2055920 swapFree=4192812/4192956
[pid=18977] ppid=18975 vsize=3124 CPUtime=0.29
/proc/18977/stat : 18977 (CirCUs) R 18975 18977 18413 0 -1 4194304 614 0 0 0 29 0 0 0 22 0 1 1000000 159651793 3198976 598 1992294400 134512640 135224549 4294956224 18446744073709551615 134595555 0 0 4096 8192 0 0 0 17 1 0 0
/proc/18977/statm: 781 598 92 173 0 606 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3124

[startup+0.701882 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 18977
/proc/meminfo: memFree=875424/2055920 swapFree=4192812/4192956
[pid=18977] ppid=18975 vsize=3256 CPUtime=0.69
/proc/18977/stat : 18977 (CirCUs) R 18975 18977 18413 0 -1 4194304 663 0 0 0 69 0 0 0 25 0 1 1000000 159651793 3334144 647 1992294400 134512640 135224549 4294956224 18446744073709551615 134630857 0 0 4096 8192 0 0 0 17 1 0 0
/proc/18977/statm: 814 647 92 173 0 639 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3256

[startup+1.50203 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 18978
/proc/meminfo: memFree=872856/2055920 swapFree=4192812/4192956
[pid=18977] ppid=18975 vsize=3652 CPUtime=1.49
/proc/18977/stat : 18977 (CirCUs) R 18975 18977 18413 0 -1 4194304 753 0 0 0 149 0 0 0 25 0 1 1000000 159651793 3739648 737 1992294400 134512640 135224549 4294956224 18446744073709551615 134595420 0 0 4096 8192 0 0 0 17 1 0 0
/proc/18977/statm: 913 737 92 173 0 738 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 3652

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

[startup+1.9011 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 18978
/proc/meminfo: memFree=872856/2055920 swapFree=4192812/4192956
[pid=18977] ppid=18975 vsize=3652 CPUtime=1.89
/proc/18977/stat : 18977 (CirCUs) R 18975 18977 18413 0 -1 4194304 754 0 0 0 189 0 0 0 25 0 1 1000000 159651793 3739648 738 1992294400 134512640 135224549 4294956224 18446744073709551615 134595578 0 0 4096 8192 0 0 0 17 1 0 0
/proc/18977/statm: 913 738 92 173 0 738 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 3652

[startup+2.00111 s]
/proc/loadavg: 1.00 1.00 1.00 2/66 18978
/proc/meminfo: memFree=872856/2055920 swapFree=4192812/4192956
[pid=18977] ppid=18975 vsize=3652 CPUtime=1.99
/proc/18977/stat : 18977 (CirCUs) R 18975 18977 18413 0 -1 4194304 754 0 0 0 199 0 0 0 25 0 1 1000000 159651793 3739648 738 1992294400 134512640 135224549 4294956224 18446744073709551615 134595412 0 0 4096 8192 0 0 0 17 1 0 0
/proc/18977/statm: 913 738 92 173 0 738 0
Current children cumulated CPU time (s) 1.99
Current children cumulated vsize (KiB) 3652

Child status: 0
Real time (s): 2.06521
CPU time (s): 2.06369
CPU user time (s): 2.06069
CPU system time (s): 0.002999
CPU usage (%): 99.9263
Max. virtual memory (cumulated for all children) (KiB): 3652

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.06069
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 758
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= 3

runsolver used 0.005999 second user time and 0.011998 second system time

The end

Launcher Data 

Begin job on node89 at 2009-05-03 04:03:43
IDJOB=1773338
IDBENCH=69564
IDSOLVER=614
FILE ID=node89/1773338-1241316223
PBS_JOBID= 9225309
Free space on /tmp= 66296 MiB

SOLVER NAME= CircUs 2009-03-23
BENCH NAME= SAT_RACE08/cnf/cmu-bmc-barrel6.cnf
COMMAND LINE= HOME/CirCUs BENCHNAME -t TIMEOUT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1773338-1241316223/watcher-1773338-1241316223 -o /tmp/evaluation-result-1773338-1241316223/solver-1773338-1241316223 -C 10000 -W 12000 -M 1800  HOME/CirCUs HOME/instance-1773338-1241316223.cnf -t 10000

TIME LIMIT= 10000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= cc87f90bf08e13838e59f0f2639db121
RANDOM SEED=1208810663

node89.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		: 3000.268
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		: 3000.268
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:        875840 kB
Buffers:         89592 kB
Cached:         972024 kB
SwapCached:          0 kB
Active:         356476 kB
Inactive:       718996 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        875840 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1196 kB
Writeback:           0 kB
Mapped:          23608 kB
Slab:            90524 kB
Committed_AS:   589368 kB
PageTables:       1376 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= 66296 MiB
End job on node89 at 2009-05-03 04:03:45