Trace number 1540582

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+-V.2-T 2009-03-22SAT 8.31274 4.18054

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/2000/
unif-k3-r4.2-v2000-c8400-S779309989-069.cnf
MD5SUMf790d28bf27d167da954318ad1a18e9d
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.838872
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

0.00/0.01	c +------------------------------+
0.00/0.01	c | gNovelty+, version 2.0       |
0.00/0.01	c +------------------------------+
0.00/0.01	c gnovelty+ -h for help
0.00/0.01	c 
8.15/4.17	s SATISFIABLE
8.15/4.17	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 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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-1540582-1238434395/watcher-1540582-1238434395 -o /tmp/evaluation-result-1540582-1238434395/solver-1540582-1238434395 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/gnovelty+ HOME/instance-1540582-1238434395.cnf 776213933 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: 0.99 0.98 1.00 3/64 11681
/proc/meminfo: memFree=1519752/2055920 swapFree=4175828/4192956
[pid=11681] ppid=11679 vsize=60896 CPUtime=0
/proc/11681/stat : 11681 (gnovelty+) R 11679 11681 11344 0 -1 4194304 171 0 0 0 0 0 0 0 18 0 1 0 1116104509 62357504 156 1992294400 134512640 135728688 4294956192 18446744073709551615 134615006 0 0 4096 0 0 0 0 17 1 0 0
/proc/11681/statm: 15224 157 100 296 0 14925 0

[startup+0.079824 s]
/proc/loadavg: 0.99 0.98 1.00 3/64 11681
/proc/meminfo: memFree=1519752/2055920 swapFree=4175828/4192956
[pid=11681] ppid=11679 vsize=71828 CPUtime=0.13
/proc/11681/stat : 11681 (gnovelty+) R 11679 11681 11344 0 -1 4194304 369 0 0 0 13 0 0 0 16 0 2 0 1116104509 73551872 353 1992294400 134512640 135728688 4294956192 18446744073709551615 134611886 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/11681/statm: 17957 353 104 296 0 17658 0
Current children cumulated CPU time (s) 0.13
Current children cumulated vsize (KiB) 71828

[startup+0.102012 s]
/proc/loadavg: 0.99 0.98 1.00 3/64 11681
/proc/meminfo: memFree=1519752/2055920 swapFree=4175828/4192956
[pid=11681] ppid=11679 vsize=71828 CPUtime=0.17
/proc/11681/stat : 11681 (gnovelty+) R 11679 11681 11344 0 -1 4194304 369 0 0 0 17 0 0 0 17 0 2 0 1116104509 73551872 353 1992294400 134512640 135728688 4294956192 18446744073709551615 135044436 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/11681/statm: 17957 353 104 296 0 17658 0
Current children cumulated CPU time (s) 0.17
Current children cumulated vsize (KiB) 71828

[startup+0.301859 s]
/proc/loadavg: 0.99 0.98 1.00 3/64 11681
/proc/meminfo: memFree=1519752/2055920 swapFree=4175828/4192956
[pid=11681] ppid=11679 vsize=71828 CPUtime=0.58
/proc/11681/stat : 11681 (gnovelty+) R 11679 11681 11344 0 -1 4194304 369 0 0 0 56 2 0 0 16 0 2 0 1116104509 73551872 353 1992294400 134512640 135728688 4294956192 18446744073709551615 134612145 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/11681/statm: 17957 353 104 296 0 17658 0
Current children cumulated CPU time (s) 0.58
Current children cumulated vsize (KiB) 71828

[startup+0.701938 s]
/proc/loadavg: 0.99 0.98 1.00 3/64 11681
/proc/meminfo: memFree=1519752/2055920 swapFree=4175828/4192956
[pid=11681] ppid=11679 vsize=71828 CPUtime=1.37
/proc/11681/stat : 11681 (gnovelty+) R 11679 11681 11344 0 -1 4194304 369 0 0 0 130 7 0 0 17 0 2 0 1116104509 73551872 353 1992294400 134512640 135728688 4294956192 18446744073709551615 134612145 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/11681/statm: 17957 353 104 296 0 17658 0
Current children cumulated CPU time (s) 1.37
Current children cumulated vsize (KiB) 71828

[startup+1.5021 s]
/proc/loadavg: 0.99 0.98 1.00 3/66 11683
/proc/meminfo: memFree=1518648/2055920 swapFree=4175828/4192956
[pid=11681] ppid=11679 vsize=71828 CPUtime=2.97
/proc/11681/stat : 11681 (gnovelty+) R 11679 11681 11344 0 -1 4194304 369 0 0 0 276 21 0 0 16 0 2 0 1116104509 73551872 353 1992294400 134512640 135728688 4294956192 18446744073709551615 134517072 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/11681/statm: 17957 353 104 296 0 17658 0
[pid=11681/tid=11683] ppid=11679 vsize=71828 CPUtime=1.47
/proc/11681/task/11683/stat : 11683 (gnovelty+) R 11679 11681 11344 0 -1 4194368 41 0 0 0 137 10 0 0 16 0 2 0 1116104511 73551872 353 1992294400 134512640 135728688 4294956192 18446744073709551615 134554126 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 2.97
Current children cumulated vsize (KiB) 71828

[startup+3.10142 s]
/proc/loadavg: 0.99 0.98 1.00 3/66 11683
/proc/meminfo: memFree=1518520/2055920 swapFree=4175828/4192956
[pid=11681] ppid=11679 vsize=71828 CPUtime=6.15
/proc/11681/stat : 11681 (gnovelty+) R 11679 11681 11344 0 -1 4194304 369 0 0 0 565 50 0 0 16 0 2 0 1116104509 73551872 353 1992294400 134512640 135728688 4294956192 18446744073709551615 134554108 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/11681/statm: 17957 353 104 296 0 17658 0
[pid=11681/tid=11683] ppid=11679 vsize=71828 CPUtime=3.05
/proc/11681/task/11683/stat : 11683 (gnovelty+) R 11679 11681 11344 0 -1 4194368 41 0 0 0 282 23 0 0 16 0 2 0 1116104511 73551872 353 1992294400 134512640 135728688 4294956192 18446744073709551615 134612145 0 0 4096 0 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 6.15
Current children cumulated vsize (KiB) 71828

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

[startup+3.90158 s]
/proc/loadavg: 0.99 0.98 1.00 3/66 11683
/proc/meminfo: memFree=1518520/2055920 swapFree=4175828/4192956
[pid=11681] ppid=11679 vsize=71828 CPUtime=7.75
/proc/11681/stat : 11681 (gnovelty+) R 11679 11681 11344 0 -1 4194304 369 0 0 0 712 63 0 0 16 0 2 0 1116104509 73551872 353 1992294400 134512640 135728688 4294956192 18446744073709551615 134528686 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/11681/statm: 17957 353 104 296 0 17658 0
[pid=11681/tid=11683] ppid=11679 vsize=71828 CPUtime=3.85
/proc/11681/task/11683/stat : 11683 (gnovelty+) R 11679 11681 11344 0 -1 4194368 41 0 0 0 355 30 0 0 16 0 2 0 1116104511 73551872 353 1992294400 134512640 135728688 4294956192 18446744073709551615 134612145 0 0 4096 0 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 7.75
Current children cumulated vsize (KiB) 71828

[startup+4.10162 s]
/proc/loadavg: 0.99 0.98 1.00 3/66 11683
/proc/meminfo: memFree=1518520/2055920 swapFree=4175828/4192956
[pid=11681] ppid=11679 vsize=71828 CPUtime=8.15
/proc/11681/stat : 11681 (gnovelty+) R 11679 11681 11344 0 -1 4194304 369 0 0 0 749 66 0 0 16 0 2 0 1116104509 73551872 353 1992294400 134512640 135728688 4294956192 18446744073709551615 134528399 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/11681/statm: 17957 353 104 296 0 17658 0
[pid=11681/tid=11683] ppid=11679 vsize=71828 CPUtime=4.05
/proc/11681/task/11683/stat : 11683 (gnovelty+) R 11679 11681 11344 0 -1 4194368 41 0 0 0 373 32 0 0 16 0 2 0 1116104511 73551872 353 1992294400 134512640 135728688 4294956192 18446744073709551615 134612145 0 0 4096 0 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 8.15
Current children cumulated vsize (KiB) 71828

Child status: 10
Real time (s): 4.18054
CPU time (s): 8.31274
CPU user time (s): 7.63484
CPU system time (s): 0.677896
CPU usage (%): 198.844
Max. virtual memory (cumulated for all children) (KiB): 71828

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.63484
system time used= 0.677896
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 377
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= 940
involuntary context switches= 55

runsolver used 0.007998 second user time and 0.015997 second system time

The end

Launcher Data

Begin job on node33 at 2009-03-30 19:33:15
IDJOB=1540582
IDBENCH=70293
IDSOLVER=552
FILE ID=node33/1540582-1238434395
PBS_JOBID= 9061570
Free space on /tmp= 66132 MiB

SOLVER NAME= gNovelty+-V.2-T 2009-03-22
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/2000/unif-k3-r4.2-v2000-c8400-S779309989-069.cnf
COMMAND LINE= HOME/gnovelty+ BENCHNAME RANDOMSEED MAXNBTHREAD
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1540582-1238434395/watcher-1540582-1238434395 -o /tmp/evaluation-result-1540582-1238434395/solver-1540582-1238434395 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/gnovelty+ HOME/instance-1540582-1238434395.cnf 776213933 2

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

MD5SUM BENCH= f790d28bf27d167da954318ad1a18e9d
RANDOM SEED=776213933

node33.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		: 3000.266
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		: 3000.266
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:       1520168 kB
Buffers:         78596 kB
Cached:         365676 kB
SwapCached:      10920 kB
Active:         226264 kB
Inactive:       230536 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1520168 kB
SwapTotal:     4192956 kB
SwapFree:      4175828 kB
Dirty:            1872 kB
Writeback:           0 kB
Mapped:          18228 kB
Slab:            64944 kB
Committed_AS:  3079628 kB
PageTables:       1400 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= 66132 MiB
End job on node33 at 2009-03-30 19:33:19