Trace number 1545264

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 2.77558 2.77669

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 benchmark0.493924
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

2.69/2.77	c try 1 flip j 2195885
2.69/2.77	c A solution is found
2.69/2.77	s SATISFIABLE
2.69/2.77	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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2.69/2.77	v 0 
2.69/2.77	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-1545264-1238668551/watcher-1545264-1238668551 -o /tmp/evaluation-result-1545264-1238668551/solver-1545264-1238668551 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/adaptg2wsat+ HOME/instance-1545264-1238668551.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 0.98 1.43 3/64 22148
/proc/meminfo: memFree=1035704/2055920 swapFree=4181692/4192956
[pid=22148] ppid=22146 vsize=215024 CPUtime=0
/proc/22148/stat : 22148 (adaptg2wsat+) R 22146 22148 21948 0 -1 4194304 102 0 0 0 0 0 0 0 18 0 1 0 311056457 220184576 87 1992294400 134512640 134930140 4294956224 18446744073709551615 134521546 0 0 4096 0 0 0 0 17 0 0 0
/proc/22148/statm: 53756 87 38 101 0 53262 0

[startup+0.0549309 s]
/proc/loadavg: 0.94 0.98 1.43 3/64 22148
/proc/meminfo: memFree=1035704/2055920 swapFree=4181692/4192956
[pid=22148] ppid=22146 vsize=217364 CPUtime=0.05
/proc/22148/stat : 22148 (adaptg2wsat+) R 22146 22148 21948 0 -1 4194304 401 0 0 0 5 0 0 0 18 0 1 0 311056457 222580736 382 1992294400 134512640 134930140 4294956224 18446744073709551615 134546472 0 0 4096 0 0 0 0 17 0 0 0
/proc/22148/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 217364

[startup+0.101936 s]
/proc/loadavg: 0.94 0.98 1.43 3/64 22148
/proc/meminfo: memFree=1035704/2055920 swapFree=4181692/4192956
[pid=22148] ppid=22146 vsize=217364 CPUtime=0.09
/proc/22148/stat : 22148 (adaptg2wsat+) R 22146 22148 21948 0 -1 4194304 401 0 0 0 9 0 0 0 18 0 1 0 311056457 222580736 382 1992294400 134512640 134930140 4294956224 18446744073709551615 134546266 0 0 4096 0 0 0 0 17 0 0 0
/proc/22148/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 217364

[startup+0.301957 s]
/proc/loadavg: 0.94 0.98 1.43 3/64 22148
/proc/meminfo: memFree=1035704/2055920 swapFree=4181692/4192956
[pid=22148] ppid=22146 vsize=217364 CPUtime=0.29
/proc/22148/stat : 22148 (adaptg2wsat+) R 22146 22148 21948 0 -1 4194304 401 0 0 0 29 0 0 0 19 0 1 0 311056457 222580736 382 1992294400 134512640 134930140 4294956224 18446744073709551615 134547901 0 0 4096 0 0 0 0 17 0 0 0
/proc/22148/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 217364

[startup+0.702001 s]
/proc/loadavg: 0.94 0.98 1.43 3/64 22148
/proc/meminfo: memFree=1035704/2055920 swapFree=4181692/4192956
[pid=22148] ppid=22146 vsize=217364 CPUtime=0.69
/proc/22148/stat : 22148 (adaptg2wsat+) R 22146 22148 21948 0 -1 4194304 401 0 0 0 69 0 0 0 23 0 1 0 311056457 222580736 382 1992294400 134512640 134930140 4294956224 18446744073709551615 134547249 0 0 4096 0 0 0 0 17 0 0 0
/proc/22148/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 217364

[startup+1.50109 s]
/proc/loadavg: 0.94 0.98 1.43 2/65 22149
/proc/meminfo: memFree=1034160/2055920 swapFree=4181692/4192956
[pid=22148] ppid=22146 vsize=217364 CPUtime=1.49
/proc/22148/stat : 22148 (adaptg2wsat+) R 22146 22148 21948 0 -1 4194304 401 0 0 0 149 0 0 0 25 0 1 0 311056457 222580736 382 1992294400 134512640 134930140 4294956224 18446744073709551615 134546540 0 0 4096 0 0 0 0 17 0 0 0
/proc/22148/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 217364

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

[startup+2.30118 s]
/proc/loadavg: 0.94 0.98 1.43 2/65 22149
/proc/meminfo: memFree=1033904/2055920 swapFree=4181692/4192956
[pid=22148] ppid=22146 vsize=217364 CPUtime=2.29
/proc/22148/stat : 22148 (adaptg2wsat+) R 22146 22148 21948 0 -1 4194304 401 0 0 0 229 0 0 0 25 0 1 0 311056457 222580736 382 1992294400 134512640 134930140 4294956224 18446744073709551615 134547192 0 0 4096 0 0 0 0 17 0 0 0
/proc/22148/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 217364

[startup+2.70122 s]
/proc/loadavg: 0.94 0.98 1.43 2/65 22149
/proc/meminfo: memFree=1033904/2055920 swapFree=4181692/4192956
[pid=22148] ppid=22146 vsize=217364 CPUtime=2.69
/proc/22148/stat : 22148 (adaptg2wsat+) R 22146 22148 21948 0 -1 4194304 401 0 0 0 269 0 0 0 25 0 1 0 311056457 222580736 382 1992294400 134512640 134930140 4294956224 18446744073709551615 134547721 0 0 4096 0 0 0 0 17 0 0 0
/proc/22148/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 2.69
Current children cumulated vsize (KiB) 217364

Child status: 10
Real time (s): 2.77669
CPU time (s): 2.77558
CPU user time (s): 2.77058
CPU system time (s): 0.004999
CPU usage (%): 99.9598
Max. virtual memory (cumulated for all children) (KiB): 217364

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.77058
system time used= 0.004999
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= 7

runsolver used 0.004999 second user time and 0.012998 second system time

The end

Launcher Data

Begin job on node42 at 2009-04-02 12:35:51
IDJOB=1545264
IDBENCH=70289
IDSOLVER=562
FILE ID=node42/1545264-1238668551
PBS_JOBID= 9075257
Free space on /tmp= 66248 MiB

SOLVER NAME= SAT07 reference solver: adaptg2wsat+ 2007-02-08
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/2000/unif-k3-r4.2-v2000-c8400-S1582955175-042.cnf
COMMAND LINE= HOME/adaptg2wsat+ BENCHNAME            
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1545264-1238668551/watcher-1545264-1238668551 -o /tmp/evaluation-result-1545264-1238668551/solver-1545264-1238668551 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/adaptg2wsat+ HOME/instance-1545264-1238668551.cnf            

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

MD5SUM BENCH= 7696351997fcc9a0c11830645b719732
RANDOM SEED=256917403

node42.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		: 3000.211
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		: 3000.211
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:       1036248 kB
Buffers:        117584 kB
Cached:         794076 kB
SwapCached:       5184 kB
Active:         237512 kB
Inactive:       682696 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1036248 kB
SwapTotal:     4192956 kB
SwapFree:      4181692 kB
Dirty:            6392 kB
Writeback:           0 kB
Mapped:          14284 kB
Slab:            85564 kB
Committed_AS:  1124980 kB
PageTables:       1388 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= 66244 MiB
End job on node42 at 2009-04-02 12:35:54