Trace number 1553155

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
clasp 1.2.0-SAT09-32UNSAT 5.19421 5.19717

General information on the benchmark

NameAPPLICATIONS/bitverif/
minor/minor064.cnf
MD5SUM1a151a1e93387c74239b48070e3eed97
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark3.72543
Satisfiable
(Un)Satisfiability was proved
Number of variables14578
Number of clauses42581
Sum of the clauses size99353
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 228386
Number of clauses of size 314193
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

5.09/5.19	c clasp version 1.2.0-SAT09 
5.09/5.19	c Reading from ...711943/instance-1553155-1238711943.cnf
5.09/5.19	c Reading      : Done(0.020s)
5.09/5.19	c Preprocessing: |-\|Done(0.590s)
5.09/5.19	c Solving...
5.09/5.19	
5.09/5.19	c Models    : 0     
5.09/5.19	c Time         : 5.160s (Solve: 4.550s)
5.09/5.19	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-1553155-1238711943/watcher-1553155-1238711943 -o /tmp/evaluation-result-1553155-1238711943/solver-1553155-1238711943 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/clasp --file=HOME/instance-1553155-1238711943.cnf --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512 

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): 1800 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: 1.00 1.33 1.69 3/64 20570
/proc/meminfo: memFree=1128504/2055920 swapFree=4175692/4192956
[pid=20570] ppid=20568 vsize=3036 CPUtime=0
/proc/20570/stat : 20570 (clasp) R 20568 20570 20477 0 -1 4194304 538 0 0 0 0 0 0 0 18 0 1 0 1143859474 3108864 515 1992294400 134512640 136057169 4294956160 18446744073709551615 134766992 0 0 4096 16386 0 0 0 17 1 0 0
/proc/20570/statm: 759 515 144 377 0 379 0

[startup+0.0281461 s]
/proc/loadavg: 1.00 1.33 1.69 3/64 20570
/proc/meminfo: memFree=1128504/2055920 swapFree=4175692/4192956
[pid=20570] ppid=20568 vsize=4368 CPUtime=0.02
/proc/20570/stat : 20570 (clasp) R 20568 20570 20477 0 -1 4194304 867 0 0 0 2 0 0 0 18 0 1 0 1143859474 4472832 803 1992294400 134512640 136057169 4294956160 18446744073709551615 135443142 0 0 4096 16386 0 0 0 17 1 0 0
/proc/20570/statm: 1092 803 144 377 0 712 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 4368

[startup+0.101157 s]
/proc/loadavg: 1.00 1.33 1.69 3/64 20570
/proc/meminfo: memFree=1128504/2055920 swapFree=4175692/4192956
[pid=20570] ppid=20568 vsize=7016 CPUtime=0.09
/proc/20570/stat : 20570 (clasp) R 20568 20570 20477 0 -1 4194304 1653 0 0 0 9 0 0 0 18 0 1 0 1143859474 7184384 1476 1992294400 134512640 136057169 4294956160 18446744073709551615 135443142 0 0 4096 16386 0 0 0 17 1 0 0
/proc/20570/statm: 1754 1477 170 377 0 1374 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7016

[startup+0.301186 s]
/proc/loadavg: 1.00 1.33 1.69 3/64 20570
/proc/meminfo: memFree=1128504/2055920 swapFree=4175692/4192956
[pid=20570] ppid=20568 vsize=9680 CPUtime=0.28
/proc/20570/stat : 20570 (clasp) R 20568 20570 20477 0 -1 4194304 2336 0 0 0 28 0 0 0 19 0 1 0 1143859474 9912320 2159 1992294400 134512640 136057169 4294956160 18446744073709551615 135443142 0 0 4096 16386 0 0 0 17 1 0 0
/proc/20570/statm: 2420 2159 170 377 0 2040 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 9680

[startup+0.701243 s]
/proc/loadavg: 1.00 1.33 1.69 3/64 20570
/proc/meminfo: memFree=1128504/2055920 swapFree=4175692/4192956
[pid=20570] ppid=20568 vsize=9788 CPUtime=0.69
/proc/20570/stat : 20570 (clasp) R 20568 20570 20477 0 -1 4194304 2599 0 0 0 68 1 0 0 22 0 1 0 1143859474 10022912 2219 1992294400 134512640 136057169 4294956160 18446744073709551615 134649293 0 0 4096 16386 0 0 0 17 1 0 0
/proc/20570/statm: 2447 2219 183 377 0 2067 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9788

[startup+1.50236 s]
/proc/loadavg: 1.00 1.33 1.69 2/65 20571
/proc/meminfo: memFree=1120112/2055920 swapFree=4175692/4192956
[pid=20570] ppid=20568 vsize=10052 CPUtime=1.49
/proc/20570/stat : 20570 (clasp) R 20568 20570 20477 0 -1 4194304 2645 0 0 0 148 1 0 0 25 0 1 0 1143859474 10293248 2265 1992294400 134512640 136057169 4294956160 18446744073709551615 134823419 0 0 4096 16386 0 0 0 17 1 0 0
/proc/20570/statm: 2513 2265 183 377 0 2133 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10052

[startup+3.10159 s]
/proc/loadavg: 1.00 1.33 1.68 2/65 20571
/proc/meminfo: memFree=1119664/2055920 swapFree=4175692/4192956
[pid=20570] ppid=20568 vsize=11244 CPUtime=3.09
/proc/20570/stat : 20570 (clasp) R 20568 20570 20477 0 -1 4194304 2962 0 0 0 308 1 0 0 25 0 1 0 1143859474 11513856 2582 1992294400 134512640 136057169 4294956160 18446744073709551615 134618468 0 0 4096 16386 0 0 0 17 1 0 0
/proc/20570/statm: 2811 2582 183 377 0 2431 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 11244

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

[startup+3.90171 s]
/proc/loadavg: 1.00 1.33 1.68 2/65 20571
/proc/meminfo: memFree=1118640/2055920 swapFree=4175692/4192956
[pid=20570] ppid=20568 vsize=11640 CPUtime=3.89
/proc/20570/stat : 20570 (clasp) R 20568 20570 20477 0 -1 4194304 3064 0 0 0 388 1 0 0 25 0 1 0 1143859474 11919360 2684 1992294400 134512640 136057169 4294956160 18446744073709551615 134645282 0 0 4096 16386 0 0 0 17 1 0 0
/proc/20570/statm: 2910 2684 183 377 0 2530 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 11640

[startup+4.70182 s]
/proc/loadavg: 1.00 1.33 1.68 2/65 20571
/proc/meminfo: memFree=1118256/2055920 swapFree=4175692/4192956
[pid=20570] ppid=20568 vsize=12036 CPUtime=4.69
/proc/20570/stat : 20570 (clasp) R 20568 20570 20477 0 -1 4194304 3135 0 0 0 468 1 0 0 25 0 1 0 1143859474 12324864 2755 1992294400 134512640 136057169 4294956160 18446744073709551615 134618430 0 0 4096 16386 0 0 0 17 1 0 0
/proc/20570/statm: 3009 2755 183 377 0 2629 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 12036

[startup+5.10188 s]
/proc/loadavg: 1.00 1.33 1.68 2/65 20571
/proc/meminfo: memFree=1118256/2055920 swapFree=4175692/4192956
[pid=20570] ppid=20568 vsize=12036 CPUtime=5.09
/proc/20570/stat : 20570 (clasp) R 20568 20570 20477 0 -1 4194304 3135 0 0 0 508 1 0 0 25 0 1 0 1143859474 12324864 2755 1992294400 134512640 136057169 4294956160 18446744073709551615 134618265 0 0 4096 16386 0 0 0 17 1 0 0
/proc/20570/statm: 3009 2755 183 377 0 2629 0
Current children cumulated CPU time (s) 5.09
Current children cumulated vsize (KiB) 12036

Child status: 20
Real time (s): 5.19717
CPU time (s): 5.19421
CPU user time (s): 5.17421
CPU system time (s): 0.019996
CPU usage (%): 99.943
Max. virtual memory (cumulated for all children) (KiB): 12036

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.17421
system time used= 0.019996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3139
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= 10

runsolver used 0.005999 second user time and 0.016997 second system time

The end

Launcher Data 

Begin job on node30 at 2009-04-03 00:39:03
IDJOB=1553155
IDBENCH=70756
IDSOLVER=508
FILE ID=node30/1553155-1238711943
PBS_JOBID= 9085316
Free space on /tmp= 66340 MiB

SOLVER NAME= clasp 1.2.0-SAT09-32
BENCH NAME= SAT09/APPLICATIONS/bitverif/minor/minor064.cnf
COMMAND LINE= HOME/clasp --file=BENCHNAME --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1553155-1238711943/watcher-1553155-1238711943 -o /tmp/evaluation-result-1553155-1238711943/solver-1553155-1238711943 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/clasp --file=HOME/instance-1553155-1238711943.cnf --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 1a151a1e93387c74239b48070e3eed97
RANDOM SEED=814667086

node30.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		: 3000.260
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	: 5931.00
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		: 3000.260
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:       1128920 kB
Buffers:        100360 kB
Cached:         724132 kB
SwapCached:      11092 kB
Active:         281024 kB
Inactive:       556504 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1128920 kB
SwapTotal:     4192956 kB
SwapFree:      4175692 kB
Dirty:            2564 kB
Writeback:           0 kB
Mapped:          18660 kB
Slab:            75516 kB
Committed_AS:  3373716 kB
PageTables:       1368 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= 66336 MiB
End job on node30 at 2009-04-03 00:39:08