Trace number 1545262

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
SAT07 reference solver: adaptg2wsat+ 2007-02-08SAT 0.371943 0.372701

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/2000/
unif-k3-r4.2-v2000-c8400-S520696524-059.cnf
MD5SUM3606a223e44ca7ebc5d996a3ddbfb35d
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.084986
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 

0.30/0.37	c try 1 flip j 260893
0.30/0.37	c A solution is found
0.30/0.37	s SATISFIABLE
0.30/0.37	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 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0.30/0.37	v 0 
0.30/0.37	c Done (mycputime is 0.000 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-1545262-1238668548/watcher-1545262-1238668548 -o /tmp/evaluation-result-1545262-1238668548/solver-1545262-1238668548 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/adaptg2wsat+ HOME/instance-1545262-1238668548.cnf 

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: 0.94 1.01 1.32 3/64 23187
/proc/meminfo: memFree=1243632/2055920 swapFree=4178448/4192956
[pid=23187] ppid=23185 vsize=215024 CPUtime=0
/proc/23187/stat : 23187 (adaptg2wsat+) R 23185 23187 23041 0 -1 4194304 101 0 0 0 0 0 0 0 18 0 1 0 1139520903 220184576 86 1992294400 134512640 134930140 4294956240 18446744073709551615 134598813 0 0 4096 0 0 0 0 17 0 0 0
/proc/23187/statm: 53756 87 38 101 0 53262 0

[startup+0.0934041 s]
/proc/loadavg: 0.94 1.01 1.32 3/64 23187
/proc/meminfo: memFree=1243632/2055920 swapFree=4178448/4192956
[pid=23187] ppid=23185 vsize=217364 CPUtime=0.09
/proc/23187/stat : 23187 (adaptg2wsat+) R 23185 23187 23041 0 -1 4194304 401 0 0 0 9 0 0 0 18 0 1 0 1139520903 222580736 382 1992294400 134512640 134930140 4294956240 18446744073709551615 134551949 0 0 4096 0 0 0 0 17 0 0 0
/proc/23187/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 217364

[startup+0.101405 s]
/proc/loadavg: 0.94 1.01 1.32 3/64 23187
/proc/meminfo: memFree=1243632/2055920 swapFree=4178448/4192956
[pid=23187] ppid=23185 vsize=217364 CPUtime=0.1
/proc/23187/stat : 23187 (adaptg2wsat+) R 23185 23187 23041 0 -1 4194304 401 0 0 0 10 0 0 0 18 0 1 0 1139520903 222580736 382 1992294400 134512640 134930140 4294956240 18446744073709551615 134547081 0 0 4096 0 0 0 0 17 0 0 0
/proc/23187/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 217364

[startup+0.301438 s]
/proc/loadavg: 0.94 1.01 1.32 3/64 23187
/proc/meminfo: memFree=1243632/2055920 swapFree=4178448/4192956
[pid=23187] ppid=23185 vsize=217364 CPUtime=0.3
/proc/23187/stat : 23187 (adaptg2wsat+) R 23185 23187 23041 0 -1 4194304 401 0 0 0 30 0 0 0 19 0 1 0 1139520903 222580736 382 1992294400 134512640 134930140 4294956240 18446744073709551615 134547260 0 0 4096 0 0 0 0 17 0 0 0
/proc/23187/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 217364

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

Child status: 10
Real time (s): 0.372701
CPU time (s): 0.371943
CPU user time (s): 0.371943
CPU system time (s): 0
CPU usage (%): 99.7966
Max. virtual memory (cumulated for all children) (KiB): 217364

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.371943
system time used= 0
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 413
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= 1

runsolver used 0.001999 second user time and 0.005999 second system time

The end

Launcher Data 

Begin job on node15 at 2009-04-02 12:35:48
IDJOB=1545262
IDBENCH=70288
IDSOLVER=562
FILE ID=node15/1545262-1238668548
PBS_JOBID= 9075389
Free space on /tmp= 65428 MiB

SOLVER NAME= SAT07 reference solver: adaptg2wsat+ 2007-02-08
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/2000/unif-k3-r4.2-v2000-c8400-S520696524-059.cnf
COMMAND LINE= HOME/adaptg2wsat+ BENCHNAME            
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1545262-1238668548/watcher-1545262-1238668548 -o /tmp/evaluation-result-1545262-1238668548/solver-1545262-1238668548 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/adaptg2wsat+ HOME/instance-1545262-1238668548.cnf            

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

MD5SUM BENCH= 3606a223e44ca7ebc5d996a3ddbfb35d
RANDOM SEED=2060002557

node15.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:       1244112 kB
Buffers:         93276 kB
Cached:         617272 kB
SwapCached:       8348 kB
Active:         236688 kB
Inactive:       483864 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1244112 kB
SwapTotal:     4192956 kB
SwapFree:      4178448 kB
Dirty:            6256 kB
Writeback:           0 kB
Mapped:          15684 kB
Slab:            77200 kB
Committed_AS:  3062248 kB
PageTables:       1464 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= 65424 MiB
End job on node15 at 2009-04-02 12:35:49