Trace number 1831635

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 23.8674 23.8736

General information on the benchmark

NameAPPLICATIONS/
bitverif/minand/minand128.cnf
MD5SUM34e3afebec3eaf03cbcceb51b352993a
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark15.7056
Satisfiable
(Un)Satisfiability was proved
Number of variables53999
Number of clauses159692
Sum of the clauses size372612
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 2106460
Number of clauses of size 353230
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

23.78/23.87	c clasp version 1.2.0-SAT09 
23.78/23.87	c Reading from ...774768/instance-1831635-1242774768.cnf
23.78/23.87	c Reading      : Done(0.100s)
23.78/23.87	c Preprocessing: |-\Done(5.370s)
23.78/23.87	c Solving...
23.78/23.87	
23.78/23.87	c Models    : 0     
23.78/23.87	c Time         : 23.800s (Solve: 18.330s)
23.78/23.87	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-1831635-1242774768/watcher-1831635-1242774768 -o /tmp/evaluation-result-1831635-1242774768/solver-1831635-1242774768 -C 10000 -W 12000 -M 1800 HOME/clasp --file=HOME/instance-1831635-1242774768.cnf --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512 

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: 0.95 0.98 0.99 3/64 17392
/proc/meminfo: memFree=1619872/2055920 swapFree=4179480/4192956
[pid=17392] ppid=17390 vsize=5900 CPUtime=0
/proc/17392/stat : 17392 (clasp) R 17390 17392 17328 0 -1 4194304 570 0 0 0 0 0 0 0 18 0 1 0 305504017 6041600 376 1992294400 134512640 136057169 4294956160 18446744073709551615 135443856 0 0 4096 16386 0 0 0 17 1 0 0
/proc/17392/statm: 1475 380 140 377 0 1095 0

[startup+0.0278771 s]
/proc/loadavg: 0.95 0.98 0.99 3/64 17392
/proc/meminfo: memFree=1619872/2055920 swapFree=4179480/4192956
[pid=17392] ppid=17390 vsize=7380 CPUtime=0.02
/proc/17392/stat : 17392 (clasp) R 17390 17392 17328 0 -1 4194304 1762 0 0 0 2 0 0 0 18 0 1 0 305504017 7557120 1568 1992294400 134512640 136057169 4294956160 18446744073709551615 135443142 0 0 4096 16386 0 0 0 17 1 0 0
/proc/17392/statm: 1845 1568 144 377 0 1465 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 7380

[startup+0.102882 s]
/proc/loadavg: 0.95 0.98 0.99 3/64 17392
/proc/meminfo: memFree=1619872/2055920 swapFree=4179480/4192956
[pid=17392] ppid=17390 vsize=11648 CPUtime=0.1
/proc/17392/stat : 17392 (clasp) R 17390 17392 17328 0 -1 4194304 2987 0 0 0 9 1 0 0 18 0 1 0 305504017 11927552 2566 1992294400 134512640 136057169 4294956160 18446744073709551615 135443142 0 0 4096 16386 0 0 0 17 1 0 0
/proc/17392/statm: 2912 2567 144 377 0 2532 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 11648

[startup+0.302899 s]
/proc/loadavg: 0.95 0.98 0.99 3/64 17392
/proc/meminfo: memFree=1619872/2055920 swapFree=4179480/4192956
[pid=17392] ppid=17390 vsize=19500 CPUtime=0.29
/proc/17392/stat : 17392 (clasp) R 17390 17392 17328 0 -1 4194304 5472 0 0 0 28 1 0 0 19 0 1 0 305504017 19968000 4494 1992294400 134512640 136057169 4294956160 18446744073709551615 134780170 0 0 4096 16386 0 0 0 17 1 0 0
/proc/17392/statm: 4875 4494 171 377 0 4495 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 19500

[startup+0.701934 s]
/proc/loadavg: 0.95 0.98 0.99 3/64 17392
/proc/meminfo: memFree=1619872/2055920 swapFree=4179480/4192956
[pid=17392] ppid=17390 vsize=24656 CPUtime=0.69
/proc/17392/stat : 17392 (clasp) R 17390 17392 17328 0 -1 4194304 6776 0 0 0 67 2 0 0 22 0 1 0 305504017 25247744 5798 1992294400 134512640 136057169 4294956160 18446744073709551615 134778133 0 0 4096 16386 0 0 0 17 1 0 0
/proc/17392/statm: 6164 5798 171 377 0 5784 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 24656

[startup+1.50201 s]
/proc/loadavg: 1.11 1.02 1.01 2/65 17393
/proc/meminfo: memFree=1593944/2055920 swapFree=4179480/4192956
[pid=17392] ppid=17390 vsize=33572 CPUtime=1.49
/proc/17392/stat : 17392 (clasp) R 17390 17392 17328 0 -1 4194304 8989 0 0 0 146 3 0 0 25 0 1 0 305504017 34377728 8011 1992294400 134512640 136057169 4294956160 18446744073709551615 135443142 0 0 4096 16386 0 0 0 17 1 0 0
/proc/17392/statm: 8393 8011 171 377 0 8013 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 33572

[startup+3.10115 s]
/proc/loadavg: 1.11 1.02 1.01 2/65 17393
/proc/meminfo: memFree=1583832/2055920 swapFree=4179480/4192956
[pid=17392] ppid=17390 vsize=40968 CPUtime=3.09
/proc/17392/stat : 17392 (clasp) R 17390 17392 17328 0 -1 4194304 10793 0 0 0 305 4 0 0 25 0 1 0 305504017 41951232 9815 1992294400 134512640 136057169 4294956160 18446744073709551615 134775148 0 0 4096 16386 0 0 0 17 1 0 0
/proc/17392/statm: 10242 9815 171 377 0 9862 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 40968

[startup+6.30143 s]
/proc/loadavg: 1.10 1.02 1.00 2/65 17393
/proc/meminfo: memFree=1580888/2055920 swapFree=4179480/4192956
[pid=17392] ppid=17390 vsize=39160 CPUtime=6.29
/proc/17392/stat : 17392 (clasp) R 17390 17392 17328 0 -1 4194304 11167 0 0 0 624 5 0 0 25 0 1 0 305504017 40099840 9438 1992294400 134512640 136057169 4294956160 18446744073709551615 134812866 0 0 4096 16386 0 0 0 17 1 0 0
/proc/17392/statm: 9790 9438 183 377 0 9410 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 39160

[startup+12.702 s]
/proc/loadavg: 1.09 1.02 1.00 2/65 17393
/proc/meminfo: memFree=1582168/2055920 swapFree=4179480/4192956
[pid=17392] ppid=17390 vsize=39160 CPUtime=12.69
/proc/17392/stat : 17392 (clasp) R 17390 17392 17328 0 -1 4194304 11177 0 0 0 1264 5 0 0 25 0 1 0 305504017 40099840 9448 1992294400 134512640 136057169 4294956160 18446744073709551615 134624614 0 0 4096 16386 0 0 0 17 1 0 0
/proc/17392/statm: 9790 9448 183 377 0 9410 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 39160

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

[startup+19.1015 s]
/proc/loadavg: 1.09 1.02 1.00 2/65 17393
/proc/meminfo: memFree=1579288/2055920 swapFree=4179480/4192956
[pid=17392] ppid=17390 vsize=42112 CPUtime=19.09
/proc/17392/stat : 17392 (clasp) R 17390 17392 17328 0 -1 4194304 11940 0 0 0 1904 5 0 0 25 0 1 0 305504017 43122688 10211 1992294400 134512640 136057169 4294956160 18446744073709551615 134624577 0 0 4096 16386 0 0 0 17 1 0 0
/proc/17392/statm: 10528 10211 183 377 0 10148 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 42112

[startup+22.3018 s]
/proc/loadavg: 1.08 1.01 1.00 2/65 17393
/proc/meminfo: memFree=1579288/2055920 swapFree=4179480/4192956
[pid=17392] ppid=17390 vsize=42112 CPUtime=22.28
/proc/17392/stat : 17392 (clasp) R 17390 17392 17328 0 -1 4194304 11940 0 0 0 2223 5 0 0 25 0 1 0 305504017 43122688 10211 1992294400 134512640 136057169 4294956160 18446744073709551615 134615631 0 0 4096 16386 0 0 0 17 1 0 0
/proc/17392/statm: 10528 10211 183 377 0 10148 0
Current children cumulated CPU time (s) 22.28
Current children cumulated vsize (KiB) 42112

[startup+23.1059 s]
/proc/loadavg: 1.08 1.01 1.00 2/65 17393
/proc/meminfo: memFree=1579288/2055920 swapFree=4179480/4192956
[pid=17392] ppid=17390 vsize=42112 CPUtime=23.09
/proc/17392/stat : 17392 (clasp) R 17390 17392 17328 0 -1 4194304 11940 0 0 0 2304 5 0 0 25 0 1 0 305504017 43122688 10211 1992294400 134512640 136057169 4294956160 18446744073709551615 134829001 0 0 4096 16386 0 0 0 17 1 0 0
/proc/17392/statm: 10528 10211 183 377 0 10148 0
Current children cumulated CPU time (s) 23.09
Current children cumulated vsize (KiB) 42112

[startup+23.5019 s]
/proc/loadavg: 1.08 1.01 1.00 2/65 17393
/proc/meminfo: memFree=1579288/2055920 swapFree=4179480/4192956
[pid=17392] ppid=17390 vsize=42112 CPUtime=23.48
/proc/17392/stat : 17392 (clasp) R 17390 17392 17328 0 -1 4194304 11940 0 0 0 2343 5 0 0 25 0 1 0 305504017 43122688 10211 1992294400 134512640 136057169 4294956160 18446744073709551615 134812866 0 0 4096 16386 0 0 0 17 1 0 0
/proc/17392/statm: 10528 10211 183 377 0 10148 0
Current children cumulated CPU time (s) 23.48
Current children cumulated vsize (KiB) 42112

[startup+23.702 s]
/proc/loadavg: 1.08 1.01 1.00 2/65 17393
/proc/meminfo: memFree=1579288/2055920 swapFree=4179480/4192956
[pid=17392] ppid=17390 vsize=42112 CPUtime=23.68
/proc/17392/stat : 17392 (clasp) R 17390 17392 17328 0 -1 4194304 11940 0 0 0 2363 5 0 0 25 0 1 0 305504017 43122688 10211 1992294400 134512640 136057169 4294956160 18446744073709551615 134624585 0 0 4096 16386 0 0 0 17 1 0 0
/proc/17392/statm: 10528 10211 183 377 0 10148 0
Current children cumulated CPU time (s) 23.68
Current children cumulated vsize (KiB) 42112

[startup+23.802 s]
/proc/loadavg: 1.08 1.01 1.00 2/65 17393
/proc/meminfo: memFree=1579288/2055920 swapFree=4179480/4192956
[pid=17392] ppid=17390 vsize=42112 CPUtime=23.78
/proc/17392/stat : 17392 (clasp) R 17390 17392 17328 0 -1 4194304 11940 0 0 0 2373 5 0 0 25 0 1 0 305504017 43122688 10211 1992294400 134512640 136057169 4294956160 18446744073709551615 135459759 0 0 4096 16386 0 0 0 17 1 0 0
/proc/17392/statm: 10528 10211 183 377 0 10148 0
Current children cumulated CPU time (s) 23.78
Current children cumulated vsize (KiB) 42112

Child status: 20
Real time (s): 23.8736
CPU time (s): 23.8674
CPU user time (s): 23.8054
CPU system time (s): 0.06199
CPU usage (%): 99.974
Max. virtual memory (cumulated for all children) (KiB): 42112

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 23.8054
system time used= 0.06199
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 11944
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= 42

runsolver used 0.018997 second user time and 0.06199 second system time

The end

Launcher Data 

Begin job on node58 at 2009-05-20 01:12:48
IDJOB=1831635
IDBENCH=70776
IDSOLVER=637
FILE ID=node58/1831635-1242774768
PBS_JOBID= 9322326
Free space on /tmp= 66072 MiB

SOLVER NAME= clasp 1.2.0-SAT09-32
BENCH NAME= SAT09/APPLICATIONS/bitverif/minand/minand128.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-1831635-1242774768/watcher-1831635-1242774768 -o /tmp/evaluation-result-1831635-1242774768/solver-1831635-1242774768 -C 10000 -W 12000 -M 1800  HOME/clasp --file=HOME/instance-1831635-1242774768.cnf --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512

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

MD5SUM BENCH= 34e3afebec3eaf03cbcceb51b352993a
RANDOM SEED=260009860

node58.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		: 3000.233
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		: 3000.233
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:       1620288 kB
Buffers:         19568 kB
Cached:         371172 kB
SwapCached:       7536 kB
Active:         100552 kB
Inactive:       299336 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1620288 kB
SwapTotal:     4192956 kB
SwapFree:      4179480 kB
Dirty:            4432 kB
Writeback:           0 kB
Mapped:          14396 kB
Slab:            21780 kB
Committed_AS:   983748 kB
PageTables:       1364 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= 66072 MiB
End job on node58 at 2009-05-20 01:13:12