Trace number 1527799

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+2-H 2009-03-22SAT 2.37364 2.37484

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/2000/
unif-k3-r4.2-v2000-c8400-S1337875718-086.cnf
MD5SUM05f00f0c3f7e171627ff97eb0175accd
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.58591
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 
0.00/0.01	c Problem instance: numAtoms = 2000, numClauses = 8400
0.00/0.01	c General parameters: seed = 1890736357, timeout = 10 secs, targetCost = 0, print solution: no
0.00/0.01	c gNovelty+ parameters: walkprob = 0.01, smoothprob = 0.40, noise = adaptive
0.00/0.01	c tries = 1
0.00/0.01	c 
2.29/2.37	s SATISFIABLE
2.29/2.37	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 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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-1527799-1238417093/watcher-1527799-1238417093 -o /tmp/evaluation-result-1527799-1238417093/solver-1527799-1238417093 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/gnovelty+2-H HOME/instance-1527799-1238417093.cnf 1890736357 

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 0.99 0.99 2/73 24120
/proc/meminfo: memFree=1693464/2055920 swapFree=4177652/4192956
[pid=24120] ppid=24118 vsize=412460 CPUtime=0
/proc/24120/stat : 24120 (gnovelty+2-H) R 24118 24120 23876 0 -1 4194304 174 0 0 0 0 0 0 0 20 0 1 0 1114373280 422359040 159 1992294400 134512640 135729416 4294956192 18446744073709551615 134546753 0 0 4096 0 0 0 0 17 1 0 0
/proc/24120/statm: 103115 159 101 297 0 102815 0

[startup+0.0789229 s]
/proc/loadavg: 0.99 0.99 0.99 2/73 24120
/proc/meminfo: memFree=1693464/2055920 swapFree=4177652/4192956
[pid=24120] ppid=24118 vsize=412888 CPUtime=0.07
/proc/24120/stat : 24120 (gnovelty+2-H) R 24118 24120 23876 0 -1 4194304 324 0 0 0 7 0 0 0 20 0 1 0 1114373280 422797312 308 1992294400 134512640 135729416 4294956192 18446744073709551615 134517459 0 0 4096 0 0 0 0 17 1 0 0
/proc/24120/statm: 103222 308 115 297 0 102922 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 412888

[startup+0.101925 s]
/proc/loadavg: 0.99 0.99 0.99 2/73 24120
/proc/meminfo: memFree=1693464/2055920 swapFree=4177652/4192956
[pid=24120] ppid=24118 vsize=412888 CPUtime=0.09
/proc/24120/stat : 24120 (gnovelty+2-H) R 24118 24120 23876 0 -1 4194304 324 0 0 0 9 0 0 0 20 0 1 0 1114373280 422797312 308 1992294400 134512640 135729416 4294956192 18446744073709551615 134528101 0 0 4096 0 0 0 0 17 1 0 0
/proc/24120/statm: 103222 308 115 297 0 102922 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 412888

[startup+0.301944 s]
/proc/loadavg: 0.99 0.99 0.99 2/73 24120
/proc/meminfo: memFree=1693464/2055920 swapFree=4177652/4192956
[pid=24120] ppid=24118 vsize=412888 CPUtime=0.29
/proc/24120/stat : 24120 (gnovelty+2-H) R 24118 24120 23876 0 -1 4194304 324 0 0 0 29 0 0 0 22 0 1 0 1114373280 422797312 308 1992294400 134512640 135729416 4294956192 18446744073709551615 134526513 0 0 4096 0 0 0 0 17 1 0 0
/proc/24120/statm: 103222 308 115 297 0 102922 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 412888

[startup+0.701986 s]
/proc/loadavg: 0.99 0.99 0.99 2/73 24120
/proc/meminfo: memFree=1693464/2055920 swapFree=4177652/4192956
[pid=24120] ppid=24118 vsize=412888 CPUtime=0.69
/proc/24120/stat : 24120 (gnovelty+2-H) R 24118 24120 23876 0 -1 4194304 324 0 0 0 69 0 0 0 25 0 1 0 1114373280 422797312 308 1992294400 134512640 135729416 4294956192 18446744073709551615 134528091 0 0 4096 0 0 0 0 17 1 0 0
/proc/24120/statm: 103222 308 115 297 0 102922 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 412888

[startup+1.50207 s]
/proc/loadavg: 0.99 0.99 0.99 2/74 24121
/proc/meminfo: memFree=1692624/2055920 swapFree=4177652/4192956
[pid=24120] ppid=24118 vsize=412888 CPUtime=1.49
/proc/24120/stat : 24120 (gnovelty+2-H) R 24118 24120 23876 0 -1 4194304 324 0 0 0 149 0 0 0 25 0 1 0 1114373280 422797312 308 1992294400 134512640 135729416 4294956192 18446744073709551615 134517526 0 0 4096 0 0 0 0 17 1 0 0
/proc/24120/statm: 103222 308 115 297 0 102922 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 412888

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

[startup+1.90111 s]
/proc/loadavg: 0.99 0.99 0.99 2/74 24121
/proc/meminfo: memFree=1692624/2055920 swapFree=4177652/4192956
[pid=24120] ppid=24118 vsize=412888 CPUtime=1.89
/proc/24120/stat : 24120 (gnovelty+2-H) R 24118 24120 23876 0 -1 4194304 324 0 0 0 189 0 0 0 25 0 1 0 1114373280 422797312 308 1992294400 134512640 135729416 4294956192 18446744073709551615 134528161 0 0 4096 0 0 0 0 17 1 0 0
/proc/24120/statm: 103222 308 115 297 0 102922 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 412888

[startup+2.30115 s]
/proc/loadavg: 0.99 0.99 0.99 2/74 24121
/proc/meminfo: memFree=1692496/2055920 swapFree=4177652/4192956
[pid=24120] ppid=24118 vsize=412888 CPUtime=2.29
/proc/24120/stat : 24120 (gnovelty+2-H) R 24118 24120 23876 0 -1 4194304 324 0 0 0 229 0 0 0 25 0 1 0 1114373280 422797312 308 1992294400 134512640 135729416 4294956192 18446744073709551615 134517068 0 0 4096 0 0 0 0 17 1 0 0
/proc/24120/statm: 103222 308 115 297 0 102922 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 412888

Child status: 10
Real time (s): 2.37484
CPU time (s): 2.37364
CPU user time (s): 2.37164
CPU system time (s): 0.001999
CPU usage (%): 99.9492
Max. virtual memory (cumulated for all children) (KiB): 412888

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.37164
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 330
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= 10

runsolver used 0.008998 second user time and 0.008998 second system time

The end

Launcher Data 

Begin job on node84 at 2009-03-30 14:44:53
IDJOB=1527799
IDBENCH=70287
IDSOLVER=547
FILE ID=node84/1527799-1238417093
PBS_JOBID= 9061491
Free space on /tmp= 66312 MiB

SOLVER NAME= gnovelty+2-H 2009-03-22
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/2000/unif-k3-r4.2-v2000-c8400-S1337875718-086.cnf
COMMAND LINE= HOME/gnovelty+2-H BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1527799-1238417093/watcher-1527799-1238417093 -o /tmp/evaluation-result-1527799-1238417093/solver-1527799-1238417093 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/gnovelty+2-H HOME/instance-1527799-1238417093.cnf 1890736357

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 05f00f0c3f7e171627ff97eb0175accd
RANDOM SEED=1890736357

node84.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		: 3000.231
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		: 3000.231
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1693880 kB
Buffers:         61624 kB
Cached:         213564 kB
SwapCached:       6944 kB
Active:          84624 kB
Inactive:       199736 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1693880 kB
SwapTotal:     4192956 kB
SwapFree:      4177652 kB
Dirty:            1596 kB
Writeback:           0 kB
Mapped:          14820 kB
Slab:            62736 kB
Committed_AS:  2848676 kB
PageTables:       1980 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= 66312 MiB
End job on node84 at 2009-03-30 14:44:56