Trace number 1540563

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-H 2009-03-22SAT 6.16506 3.10148

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/2000/
unif-k3-r4.2-v2000-c8400-S1442480583-017.cnf
MD5SUMe16a301b3b11f2fcadc19b12fcb8ed0b
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.18167
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 
5.96/3.10	s SATISFIABLE
5.96/3.10	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-1540563-1238434202/watcher-1540563-1238434202 -o /tmp/evaluation-result-1540563-1238434202/solver-1540563-1238434202 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/gnovelty+ HOME/instance-1540563-1238434202.cnf 57462038 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 1.21 3/72 4326
/proc/meminfo: memFree=1064136/2055920 swapFree=4175896/4192956
[pid=4326] ppid=4324 vsize=60900 CPUtime=0
/proc/4326/stat : 4326 (gnovelty+) R 4324 4326 3863 0 -1 4194304 174 0 0 0 0 0 0 0 18 0 1 0 1116081416 62361600 159 1992294400 134512640 135730148 4294956192 18446744073709551615 134550784 0 0 4096 0 0 0 0 17 1 0 0
/proc/4326/statm: 15225 159 102 297 0 14925 0

[startup+0.0876161 s]
/proc/loadavg: 1.00 1.00 1.21 3/72 4326
/proc/meminfo: memFree=1064136/2055920 swapFree=4175896/4192956
[pid=4326] ppid=4324 vsize=71928 CPUtime=0.15
/proc/4326/stat : 4326 (gnovelty+) R 4324 4326 3863 0 -1 4194304 467 0 0 0 15 0 0 0 17 0 2 0 1116081416 73654272 403 1992294400 134512640 135730148 4294956192 18446744073709551615 134613633 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/4326/statm: 17982 403 106 297 0 17682 0
Current children cumulated CPU time (s) 0.15
Current children cumulated vsize (KiB) 71928

[startup+0.103616 s]
/proc/loadavg: 1.00 1.00 1.21 3/72 4326
/proc/meminfo: memFree=1064136/2055920 swapFree=4175896/4192956
[pid=4326] ppid=4324 vsize=71928 CPUtime=0.18
/proc/4326/stat : 4326 (gnovelty+) R 4324 4326 3863 0 -1 4194304 467 0 0 0 18 0 0 0 17 0 2 0 1116081416 73654272 403 1992294400 134512640 135730148 4294956192 18446744073709551615 134613633 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/4326/statm: 17982 403 106 297 0 17682 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 71928

[startup+0.301656 s]
/proc/loadavg: 1.00 1.00 1.21 3/72 4326
/proc/meminfo: memFree=1064136/2055920 swapFree=4175896/4192956
[pid=4326] ppid=4324 vsize=71928 CPUtime=0.58
/proc/4326/stat : 4326 (gnovelty+) R 4324 4326 3863 0 -1 4194304 467 0 0 0 57 1 0 0 17 0 2 0 1116081416 73654272 403 1992294400 134512640 135730148 4294956192 18446744073709551615 134613633 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/4326/statm: 17982 403 106 297 0 17682 0
Current children cumulated CPU time (s) 0.58
Current children cumulated vsize (KiB) 71928

[startup+0.702746 s]
/proc/loadavg: 1.00 1.00 1.21 3/72 4326
/proc/meminfo: memFree=1064136/2055920 swapFree=4175896/4192956
[pid=4326] ppid=4324 vsize=71928 CPUtime=1.37
/proc/4326/stat : 4326 (gnovelty+) R 4324 4326 3863 0 -1 4194304 467 0 0 0 134 3 0 0 17 0 2 0 1116081416 73654272 403 1992294400 134512640 135730148 4294956192 18446744073709551615 134518724 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/4326/statm: 17982 403 106 297 0 17682 0
Current children cumulated CPU time (s) 1.37
Current children cumulated vsize (KiB) 71928

[startup+1.5019 s]
/proc/loadavg: 1.00 1.00 1.21 2/74 4328
/proc/meminfo: memFree=1062776/2055920 swapFree=4175896/4192956
[pid=4326] ppid=4324 vsize=71928 CPUtime=2.96
/proc/4326/stat : 4326 (gnovelty+) R 4324 4326 3863 0 -1 4194304 467 0 0 0 282 14 0 0 16 0 2 0 1116081416 73654272 403 1992294400 134512640 135730148 4294956192 18446744073709551615 134613633 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/4326/statm: 17982 403 106 297 0 17682 0
[pid=4326/tid=4328] ppid=4324 vsize=71928 CPUtime=1.47
/proc/4326/task/4328/stat : 4328 (gnovelty+) R 4324 4326 3863 0 -1 4194368 90 0 0 0 141 6 0 0 16 0 2 0 1116081418 73654272 403 1992294400 134512640 135730148 4294956192 18446744073709551615 134613374 0 0 4096 0 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 71928

[startup+3.10121 s]
/proc/loadavg: 1.08 1.02 1.21 3/74 4328
/proc/meminfo: memFree=1062648/2055920 swapFree=4175896/4192956
[pid=4326] ppid=4324 vsize=0 CPUtime=6.16
/proc/4326/stat : 4326 (gnovelty+) R 4324 4326 3863 0 -1 4195332 479 0 0 0 570 46 0 0 16 0 1 0 1116081416 0 0 1992294400 0 0 0 0 0 0 0 4096 0 0 0 0 17 0 0 0
/proc/4326/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 6.16
Current children cumulated vsize (KiB) 0

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

Child status: 10
Real time (s): 3.10148
CPU time (s): 6.16506
CPU user time (s): 5.70413
CPU system time (s): 0.460929
CPU usage (%): 198.778
Max. virtual memory (cumulated for all children) (KiB): 71928

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.70413
system time used= 0.460929
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 479
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= 558
involuntary context switches= 44

runsolver used 0.004999 second user time and 0.016997 second system time

The end

Launcher Data

Begin job on node66 at 2009-03-30 19:30:02
IDJOB=1540563
IDBENCH=70290
IDSOLVER=551
FILE ID=node66/1540563-1238434202
PBS_JOBID= 9061547
Free space on /tmp= 66544 MiB

SOLVER NAME= gNovelty+-V.2-T-H 2009-03-22
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/2000/unif-k3-r4.2-v2000-c8400-S1442480583-017.cnf
COMMAND LINE= HOME/gnovelty+ BENCHNAME RANDOMSEED MAXNBTHREAD
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1540563-1238434202/watcher-1540563-1238434202 -o /tmp/evaluation-result-1540563-1238434202/solver-1540563-1238434202 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/gnovelty+ HOME/instance-1540563-1238434202.cnf 57462038 2

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

MD5SUM BENCH= e16a301b3b11f2fcadc19b12fcb8ed0b
RANDOM SEED=57462038

node66.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		: 3000.286
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		: 3000.286
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:       1064552 kB
Buffers:         94764 kB
Cached:         802716 kB
SwapCached:       8824 kB
Active:         306328 kB
Inactive:       602196 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1064552 kB
SwapTotal:     4192956 kB
SwapFree:      4175896 kB
Dirty:            1824 kB
Writeback:           0 kB
Mapped:          16632 kB
Slab:            68048 kB
Committed_AS:  3128020 kB
PageTables:       1976 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= 66540 MiB
End job on node66 at 2009-03-30 19:30:05