Trace number 1540868

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
gNovelty+-T 2009-03-22SAT 6.53101 3.37537

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/4000/
unif-k3-r4.2-v4000-c16800-S568017735-066.cnf
MD5SUMac6625145d68efca76f59e4cfc6c820e
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.510921
Satisfiable
(Un)Satisfiability was proved
Number of variables4000
Number of clauses16800
Sum of the clauses size50400
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 316800
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.09/0.18	c +------------------------------+
0.09/0.18	c | gNovelty+, version 1.0       |
0.09/0.18	c +------------------------------+
0.09/0.18	c gnovelty+ -h for help
0.09/0.18	c 
6.39/3.36	s SATISFIABLE
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6.39/3.36	c Done in 5.960000 seconds

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:489) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1540868-1238438176/watcher-1540868-1238438176 -o /tmp/evaluation-result-1540868-1238438176/solver-1540868-1238438176 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/gnovelty+ HOME/instance-1540868-1238438176.cnf 539509605 2 

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 1.00 1.01 3/64 14029
/proc/meminfo: memFree=1616312/2055920 swapFree=4179168/4192956
[pid=14029] ppid=14027 vsize=509152 CPUtime=0
/proc/14029/stat : 14029 (gnovelty+) R 14027 14029 13505 0 -1 4194304 1023 0 0 0 0 0 0 0 18 0 1 0 1116479524 521371648 1010 1992294400 134512640 135680988 4294956192 18446744073709551615 134537167 0 0 4096 0 0 0 0 17 1 0 0
/proc/14029/statm: 127288 1016 102 285 0 127000 0

[startup+0.086128 s]
/proc/loadavg: 1.00 1.00 1.01 3/64 14029
/proc/meminfo: memFree=1616312/2055920 swapFree=4179168/4192956
[pid=14029] ppid=14027 vsize=516964 CPUtime=0.08
/proc/14029/stat : 14029 (gnovelty+) R 14027 14029 13505 0 -1 4194304 10899 0 0 0 4 4 0 0 18 0 1 0 1116479524 529371136 10883 1992294400 134512640 135680988 4294956192 18446744073709551615 134537708 0 0 4096 0 0 0 0 17 1 0 0
/proc/14029/statm: 129241 10888 102 285 0 128953 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 516964

[startup+0.101128 s]
/proc/loadavg: 1.00 1.00 1.01 3/64 14029
/proc/meminfo: memFree=1616312/2055920 swapFree=4179168/4192956
[pid=14029] ppid=14027 vsize=516964 CPUtime=0.09
/proc/14029/stat : 14029 (gnovelty+) R 14027 14029 13505 0 -1 4194304 12710 0 0 0 4 5 0 0 18 0 1 0 1116479524 529371136 12694 1992294400 134512640 135680988 4294956192 18446744073709551615 134537968 0 0 4096 0 0 0 0 17 1 0 0
/proc/14029/statm: 129241 12698 102 285 0 128953 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 516964

[startup+0.301148 s]
/proc/loadavg: 1.00 1.00 1.01 3/64 14029
/proc/meminfo: memFree=1616312/2055920 swapFree=4179168/4192956
[pid=14029] ppid=14027 vsize=530564 CPUtime=0.4
/proc/14029/stat : 14029 (gnovelty+) R 14027 14029 13505 0 -1 4194304 20191 0 0 0 31 9 0 0 17 0 2 0 1116479524 543297536 20175 1992294400 134512640 135680988 4294956192 18446744073709551615 134957681 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/14029/statm: 132641 20175 106 285 0 132353 0
Current children cumulated CPU time (s) 0.4
Current children cumulated vsize (KiB) 530564

[startup+0.701186 s]
/proc/loadavg: 1.00 1.00 1.01 3/64 14029
/proc/meminfo: memFree=1616312/2055920 swapFree=4179168/4192956
[pid=14029] ppid=14027 vsize=530564 CPUtime=1.2
/proc/14029/stat : 14029 (gnovelty+) R 14027 14029 13505 0 -1 4194304 20191 0 0 0 107 13 0 0 17 0 2 0 1116479524 543297536 20175 1992294400 134512640 135680988 4294956192 18446744073709551615 134957681 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/14029/statm: 132641 20175 106 285 0 132353 0
Current children cumulated CPU time (s) 1.2
Current children cumulated vsize (KiB) 530564

[startup+1.50126 s]
/proc/loadavg: 1.00 1.00 1.01 2/66 14031
/proc/meminfo: memFree=1535784/2055920 swapFree=4179168/4192956
[pid=14029] ppid=14027 vsize=530564 CPUtime=2.79
/proc/14029/stat : 14029 (gnovelty+) R 14027 14029 13505 0 -1 4194304 20191 0 0 0 260 19 0 0 16 0 2 0 1116479524 543297536 20175 1992294400 134512640 135680988 4294956192 18446744073709551615 134533321 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/14029/statm: 132641 20175 106 285 0 132353 0
[pid=14029/tid=14031] ppid=14027 vsize=530564 CPUtime=1.3
/proc/14029/task/14031/stat : 14031 (gnovelty+) R 14027 14029 13505 0 -1 4194368 121 0 0 0 125 5 0 0 17 0 2 0 1116479543 543297536 20175 1992294400 134512640 135680988 4294956192 18446744073709551615 134957681 0 0 4096 0 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 2.79
Current children cumulated vsize (KiB) 530564

[startup+3.10141 s]
/proc/loadavg: 1.00 1.00 1.01 3/66 14031
/proc/meminfo: memFree=1535656/2055920 swapFree=4179168/4192956
[pid=14029] ppid=14027 vsize=530564 CPUtime=5.99
/proc/14029/stat : 14029 (gnovelty+) R 14027 14029 13505 0 -1 4194304 20191 0 0 0 559 40 0 0 16 0 2 0 1116479524 543297536 20175 1992294400 134512640 135680988 4294956192 18446744073709551615 134532918 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/14029/statm: 132641 20175 106 285 0 132353 0
[pid=14029/tid=14031] ppid=14027 vsize=530564 CPUtime=2.9
/proc/14029/task/14031/stat : 14031 (gnovelty+) R 14027 14029 13505 0 -1 4194368 121 0 0 0 275 15 0 0 17 0 2 0 1116479543 543297536 20175 1992294400 134512640 135680988 4294956192 18446744073709551615 134957681 0 0 4096 0 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 5.99
Current children cumulated vsize (KiB) 530564

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

[startup+3.30543 s]
/proc/loadavg: 1.00 1.00 1.01 3/66 14031
/proc/meminfo: memFree=1535656/2055920 swapFree=4179168/4192956
[pid=14029] ppid=14027 vsize=530564 CPUtime=6.39
/proc/14029/stat : 14029 (gnovelty+) R 14027 14029 13505 0 -1 4194304 20191 0 0 0 596 43 0 0 16 0 2 0 1116479524 543297536 20175 1992294400 134512640 135680988 4294956192 18446744073709551615 134547451 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/14029/statm: 132641 20175 106 285 0 132353 0
[pid=14029/tid=14031] ppid=14027 vsize=530564 CPUtime=3.1
/proc/14029/task/14031/stat : 14031 (gnovelty+) R 14027 14029 13505 0 -1 4194368 121 0 0 0 293 17 0 0 16 0 2 0 1116479543 543297536 20175 1992294400 134512640 135680988 4294956192 18446744073709551615 134957681 0 0 4096 0 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 6.39
Current children cumulated vsize (KiB) 530564

Child status: 10
Real time (s): 3.37537
CPU time (s): 6.53101
CPU user time (s): 6.07108
CPU system time (s): 0.45993
CPU usage (%): 193.49
Max. virtual memory (cumulated for all children) (KiB): 530564

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 6.07108
system time used= 0.45993
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 20209
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= 608
involuntary context switches= 52

runsolver used 0.005999 second user time and 0.015997 second system time

The end

Launcher Data 

Begin job on node61 at 2009-03-30 20:36:16
IDJOB=1540868
IDBENCH=70341
IDSOLVER=550
FILE ID=node61/1540868-1238438176
PBS_JOBID= 9061569
Free space on /tmp= 66344 MiB

SOLVER NAME= gNovelty+-T 2009-03-22
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/4000/unif-k3-r4.2-v4000-c16800-S568017735-066.cnf
COMMAND LINE= HOME/gnovelty+ BENCHNAME RANDOMSEED MAXNBTHREAD
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1540868-1238438176/watcher-1540868-1238438176 -o /tmp/evaluation-result-1540868-1238438176/solver-1540868-1238438176 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/gnovelty+ HOME/instance-1540868-1238438176.cnf 539509605 2

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 2

MD5SUM BENCH= ac6625145d68efca76f59e4cfc6c820e
RANDOM SEED=539509605

node61.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		: 3000.238
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		: 3000.238
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:       1616728 kB
Buffers:         78324 kB
Cached:         267968 kB
SwapCached:       7920 kB
Active:         112388 kB
Inactive:       243552 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1616728 kB
SwapTotal:     4192956 kB
SwapFree:      4179168 kB
Dirty:            1704 kB
Writeback:           0 kB
Mapped:          15440 kB
Slab:            69300 kB
Committed_AS:  2641648 kB
PageTables:       1372 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264884 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66344 MiB
End job on node61 at 2009-03-30 20:36:20