Trace number 1783017

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 4.02139 4.02282

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/2000/
unif-k3-r4.2-v2000-c8400-S1582955175-042.cnf
MD5SUM7696351997fcc9a0c11830645b719732
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.720889
Satisfiable
(Un)Satisfiability was proved
Number of variables2000
Number of clauses8400
Sum of the clauses size25200
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 38400
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data

0.09/0.14	c +------------------------------+
0.09/0.14	c | gNovelty+, version 1.0       |
0.09/0.14	c +------------------------------+
0.09/0.14	c gnovelty+ -h for help
0.09/0.14	c 
3.99/4.00	s SATISFIABLE
3.99/4.00	v 1 2 3 -4 -5 6 -7 8 9 10 -11 -12 -13 -14 15 -16 17 -18 -19 20 21 -22 23 24 -25 -26 27 28 -29 -30 31 32 -33 -34 -35 36 -37 -38 -39 -40 41 42 43 44 45 46 47 -48 -49 -50 51 52 -53 54 -55 -56 57 58 59 60 -61 -62 63 -64 65 -66 67 -68 69 -70 71 -72 73 -74 -75 76 77 78 -79 -80 -81 -82 83 -84 85 -86 -87 88 89 90 91 92 -93 -94 95 96 -97 98 -99 100 -101 102 -103 104 105 -106 107 108 109 110 111 112 -113 114 115 -116 -117 118 119 120 121 -122 -123 -124 125 -126 -127 128 -129 130 131 -132 -133 -134 135 -136 137 138 -139 -140 141 142 143 144 145 -146 147 -148 -149 150 151 152 -153 154 155 156 -157 158 159 -160 -161 162 -163 164 -165 166 -167 168 169 -170 -171 172 173 174 175 -176 177 178 -179 180 -181 182 -183 184 185 -186 -187 -188 189 -190 -191 192 193 -194 195 -196 -197 198 199 -200 201 -202 203 204 -205 206 -207 -208 -209 210 211 -212 213 214 215 -216 -217 -218 219 220 -221 222 223 -224 225 -226 -227 -228 -229 -230 231 -232 233 234 -235 236 -237 -238 239 -240 241 -242 243 244 -245 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3.99/4.00	c Done in 3.860000 seconds

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-1783017-1241717354/watcher-1783017-1241717354 -o /tmp/evaluation-result-1783017-1241717354/solver-1783017-1241717354 -C 5000 -W 6000 -M 1800 HOME/gnovelty+ HOME/instance-1783017-1241717354.cnf 327846239 0 

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: 0.99 0.90 1.46 3/64 27909
/proc/meminfo: memFree=1556928/2055920 swapFree=4180800/4192956
[pid=27909] ppid=27907 vsize=509152 CPUtime=0
/proc/27909/stat : 27909 (gnovelty+) R 27907 27909 27656 0 -1 4194304 1020 0 0 0 0 0 0 0 18 0 1 0 199769367 521371648 1006 1992294400 134512640 135680988 4294956224 18446744073709551615 134537167 0 0 4096 0 0 0 0 17 1 0 0
/proc/27909/statm: 127288 1013 102 285 0 127000 0

[startup+0.00754994 s]
/proc/loadavg: 0.99 0.90 1.46 3/64 27909
/proc/meminfo: memFree=1556928/2055920 swapFree=4180800/4192956
[pid=27909] ppid=27907 vsize=509152 CPUtime=0
/proc/27909/stat : 27909 (gnovelty+) R 27907 27909 27656 0 -1 4194304 1551 0 0 0 0 0 0 0 18 0 1 0 199769367 521371648 1536 1992294400 134512640 135680988 4294956224 18446744073709551615 134537167 0 0 4096 0 0 0 0 17 1 0 0
/proc/27909/statm: 127288 1544 103 285 0 127000 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 509152

[startup+0.101566 s]
/proc/loadavg: 0.99 0.90 1.46 3/64 27909
/proc/meminfo: memFree=1556928/2055920 swapFree=4180800/4192956
[pid=27909] ppid=27907 vsize=516964 CPUtime=0.09
/proc/27909/stat : 27909 (gnovelty+) R 27907 27909 27656 0 -1 4194304 14780 0 0 0 4 5 0 0 18 0 1 0 199769367 529371136 14764 1992294400 134512640 135680988 4294956224 18446744073709551615 134537905 0 0 4096 0 0 0 0 17 1 0 0
/proc/27909/statm: 129241 14769 102 285 0 128953 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 516964

[startup+0.301601 s]
/proc/loadavg: 0.99 0.90 1.46 3/64 27909
/proc/meminfo: memFree=1556928/2055920 swapFree=4180800/4192956
[pid=27909] ppid=27907 vsize=518212 CPUtime=0.29
/proc/27909/stat : 27909 (gnovelty+) R 27907 27909 27656 0 -1 4194304 19860 0 0 0 21 8 0 0 19 0 1 0 199769367 530649088 19844 1992294400 134512640 135680988 4294956224 18446744073709551615 134534591 0 0 4096 0 0 0 0 17 1 0 0
/proc/27909/statm: 129553 19844 104 285 0 129265 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 518212

[startup+0.701671 s]
/proc/loadavg: 0.99 0.90 1.46 3/64 27909
/proc/meminfo: memFree=1556928/2055920 swapFree=4180800/4192956
[pid=27909] ppid=27907 vsize=518212 CPUtime=0.69
/proc/27909/stat : 27909 (gnovelty+) R 27907 27909 27656 0 -1 4194304 19860 0 0 0 61 8 0 0 22 0 1 0 199769367 530649088 19844 1992294400 134512640 135680988 4294956224 18446744073709551615 134533047 0 0 4096 0 0 0 0 17 1 0 0
/proc/27909/statm: 129553 19844 104 285 0 129265 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 518212

[startup+1.50181 s]
/proc/loadavg: 0.99 0.90 1.46 2/65 27910
/proc/meminfo: memFree=1477752/2055920 swapFree=4180800/4192956
[pid=27909] ppid=27907 vsize=518212 CPUtime=1.49
/proc/27909/stat : 27909 (gnovelty+) R 27907 27909 27656 0 -1 4194304 19860 0 0 0 141 8 0 0 25 0 1 0 199769367 530649088 19844 1992294400 134512640 135680988 4294956224 18446744073709551615 134542555 0 0 4096 0 0 0 0 17 1 0 0
/proc/27909/statm: 129553 19844 104 285 0 129265 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 518212

[startup+3.10109 s]
/proc/loadavg: 0.99 0.90 1.46 2/65 27910
/proc/meminfo: memFree=1477688/2055920 swapFree=4180800/4192956
[pid=27909] ppid=27907 vsize=518212 CPUtime=3.09
/proc/27909/stat : 27909 (gnovelty+) R 27907 27909 27656 0 -1 4194304 19860 0 0 0 301 8 0 0 25 0 1 0 199769367 530649088 19844 1992294400 134512640 135680988 4294956224 18446744073709551615 134533068 0 0 4096 0 0 0 0 17 1 0 0
/proc/27909/statm: 129553 19844 104 285 0 129265 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 518212

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

[startup+3.50116 s]
/proc/loadavg: 0.99 0.90 1.46 2/65 27910
/proc/meminfo: memFree=1477688/2055920 swapFree=4180800/4192956
[pid=27909] ppid=27907 vsize=518212 CPUtime=3.49
/proc/27909/stat : 27909 (gnovelty+) R 27907 27909 27656 0 -1 4194304 19860 0 0 0 341 8 0 0 25 0 1 0 199769367 530649088 19844 1992294400 134512640 135680988 4294956224 18446744073709551615 134534054 0 0 4096 0 0 0 0 17 1 0 0
/proc/27909/statm: 129553 19844 104 285 0 129265 0
Current children cumulated CPU time (s) 3.49
Current children cumulated vsize (KiB) 518212

[startup+3.90123 s]
/proc/loadavg: 0.99 0.90 1.46 2/65 27910
/proc/meminfo: memFree=1477688/2055920 swapFree=4180800/4192956
[pid=27909] ppid=27907 vsize=518212 CPUtime=3.89
/proc/27909/stat : 27909 (gnovelty+) R 27907 27909 27656 0 -1 4194304 19860 0 0 0 381 8 0 0 25 0 1 0 199769367 530649088 19844 1992294400 134512640 135680988 4294956224 18446744073709551615 134534000 0 0 4096 0 0 0 0 17 1 0 0
/proc/27909/statm: 129553 19844 104 285 0 129265 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 518212

[startup+4.00125 s]
/proc/loadavg: 0.99 0.90 1.46 2/65 27910
/proc/meminfo: memFree=1477688/2055920 swapFree=4180800/4192956
[pid=27909] ppid=27907 vsize=518212 CPUtime=3.99
/proc/27909/stat : 27909 (gnovelty+) R 27907 27909 27656 0 -1 4194304 19860 0 0 0 391 8 0 0 25 0 1 0 199769367 530649088 19844 1992294400 134512640 135680988 4294956224 18446744073709551615 134534041 0 0 4096 0 0 0 0 17 1 0 0
/proc/27909/statm: 129553 19844 104 285 0 129265 0
Current children cumulated CPU time (s) 3.99
Current children cumulated vsize (KiB) 518212

Child status: 10
Real time (s): 4.02282
CPU time (s): 4.02139
CPU user time (s): 3.9234
CPU system time (s): 0.097985
CPU usage (%): 99.9645
Max. virtual memory (cumulated for all children) (KiB): 518212

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.9234
system time used= 0.097985
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 19876
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= 11

runsolver used 0.004999 second user time and 0.014997 second system time

The end

Launcher Data

Begin job on node4 at 2009-05-07 19:29:14
IDJOB=1783017
IDBENCH=70289
IDSOLVER=636
FILE ID=node4/1783017-1241717354
PBS_JOBID= 9264392
Free space on /tmp= 66188 MiB

SOLVER NAME= gNovelty+-T 2009-03-22
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/2000/unif-k3-r4.2-v2000-c8400-S1582955175-042.cnf
COMMAND LINE= HOME/gnovelty+ BENCHNAME RANDOMSEED MAXNBTHREAD
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1783017-1241717354/watcher-1783017-1241717354 -o /tmp/evaluation-result-1783017-1241717354/solver-1783017-1241717354 -C 5000 -W 6000 -M 1800  HOME/gnovelty+ HOME/instance-1783017-1241717354.cnf 327846239 0

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

MD5SUM BENCH= 7696351997fcc9a0c11830645b719732
RANDOM SEED=327846239

node4.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		: 3000.265
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		: 3000.265
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:       1557408 kB
Buffers:         34344 kB
Cached:         409548 kB
SwapCached:       6540 kB
Active:         259544 kB
Inactive:       192828 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1557408 kB
SwapTotal:     4192956 kB
SwapFree:      4180800 kB
Dirty:            1844 kB
Writeback:           0 kB
Mapped:          13476 kB
Slab:            32088 kB
Committed_AS:   890468 kB
PageTables:       1468 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= 66188 MiB
End job on node4 at 2009-05-07 19:29:18