Trace number 1545256

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 15.7736 15.7841

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/2000/
unif-k3-r4.2-v2000-c8400-S1765449180-016.cnf
MD5SUM8919b1e0a8b22ddbf62ba887cc4a9b9a
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.766883
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 

15.68/15.78	c try 1 flip j 12202256
15.68/15.78	c A solution is found
15.68/15.78	s SATISFIABLE
15.68/15.78	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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15.68/15.78	v 0 
15.68/15.78	c Done (mycputime is 0.002 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-1545256-1238668535/watcher-1545256-1238668535 -o /tmp/evaluation-result-1545256-1238668535/solver-1545256-1238668535 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/adaptg2wsat+ HOME/instance-1545256-1238668535.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: 0.92 0.98 1.44 3/64 22121
/proc/meminfo: memFree=1035768/2055920 swapFree=4181692/4192956
[pid=22121] ppid=22119 vsize=215024 CPUtime=0
/proc/22121/stat : 22121 (adaptg2wsat+) R 22119 22121 21948 0 -1 4194304 101 0 0 0 0 0 0 0 18 0 1 0 311054859 220184576 86 1992294400 134512640 134930140 4294956224 18446744073709551615 134598813 0 0 4096 0 0 0 0 17 0 0 0
/proc/22121/statm: 53756 87 38 101 0 53262 0

[startup+0.0670211 s]
/proc/loadavg: 0.92 0.98 1.44 3/64 22121
/proc/meminfo: memFree=1035768/2055920 swapFree=4181692/4192956
[pid=22121] ppid=22119 vsize=217364 CPUtime=0.06
/proc/22121/stat : 22121 (adaptg2wsat+) R 22119 22121 21948 0 -1 4194304 401 0 0 0 6 0 0 0 18 0 1 0 311054859 222580736 382 1992294400 134512640 134930140 4294956224 18446744073709551615 134551908 0 0 4096 0 0 0 0 17 0 0 0
/proc/22121/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 217364

[startup+0.101024 s]
/proc/loadavg: 0.92 0.98 1.44 3/64 22121
/proc/meminfo: memFree=1035768/2055920 swapFree=4181692/4192956
[pid=22121] ppid=22119 vsize=217364 CPUtime=0.09
/proc/22121/stat : 22121 (adaptg2wsat+) R 22119 22121 21948 0 -1 4194304 401 0 0 0 9 0 0 0 18 0 1 0 311054859 222580736 382 1992294400 134512640 134930140 4294956224 18446744073709551615 134547490 0 0 4096 0 0 0 0 17 0 0 0
/proc/22121/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 217364

[startup+0.301045 s]
/proc/loadavg: 0.92 0.98 1.44 3/64 22121
/proc/meminfo: memFree=1035768/2055920 swapFree=4181692/4192956
[pid=22121] ppid=22119 vsize=217364 CPUtime=0.29
/proc/22121/stat : 22121 (adaptg2wsat+) R 22119 22121 21948 0 -1 4194304 401 0 0 0 29 0 0 0 19 0 1 0 311054859 222580736 382 1992294400 134512640 134930140 4294956224 18446744073709551615 134547469 0 0 4096 0 0 0 0 17 0 0 0
/proc/22121/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 217364

[startup+0.701089 s]
/proc/loadavg: 0.92 0.98 1.44 3/64 22121
/proc/meminfo: memFree=1035768/2055920 swapFree=4181692/4192956
[pid=22121] ppid=22119 vsize=217364 CPUtime=0.69
/proc/22121/stat : 22121 (adaptg2wsat+) R 22119 22121 21948 0 -1 4194304 401 0 0 0 69 0 0 0 23 0 1 0 311054859 222580736 382 1992294400 134512640 134930140 4294956224 18446744073709551615 134545598 0 0 4096 0 0 0 0 17 0 0 0
/proc/22121/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 217364

[startup+1.50118 s]
/proc/loadavg: 0.93 0.98 1.43 2/65 22122
/proc/meminfo: memFree=1034288/2055920 swapFree=4181692/4192956
[pid=22121] ppid=22119 vsize=217364 CPUtime=1.49
/proc/22121/stat : 22121 (adaptg2wsat+) R 22119 22121 21948 0 -1 4194304 401 0 0 0 149 0 0 0 25 0 1 0 311054859 222580736 382 1992294400 134512640 134930140 4294956224 18446744073709551615 134545746 0 0 4096 0 0 0 0 17 0 0 0
/proc/22121/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 217364

[startup+3.10135 s]
/proc/loadavg: 0.93 0.98 1.43 2/65 22122
/proc/meminfo: memFree=1034096/2055920 swapFree=4181692/4192956
[pid=22121] ppid=22119 vsize=217364 CPUtime=3.09
/proc/22121/stat : 22121 (adaptg2wsat+) R 22119 22121 21948 0 -1 4194304 401 0 0 0 309 0 0 0 25 0 1 0 311054859 222580736 382 1992294400 134512640 134930140 4294956224 18446744073709551615 134547889 0 0 4096 0 0 0 0 17 0 0 0
/proc/22121/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 217364

[startup+6.30171 s]
/proc/loadavg: 0.93 0.98 1.43 2/65 22122
/proc/meminfo: memFree=1033968/2055920 swapFree=4181692/4192956
[pid=22121] ppid=22119 vsize=217364 CPUtime=6.28
/proc/22121/stat : 22121 (adaptg2wsat+) R 22119 22121 21948 0 -1 4194304 401 0 0 0 628 0 0 0 25 0 1 0 311054859 222580736 382 1992294400 134512640 134930140 4294956224 18446744073709551615 134547224 0 0 4096 0 0 0 0 17 0 0 0
/proc/22121/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 217364

[startup+12.7014 s]
/proc/loadavg: 0.94 0.98 1.43 2/65 22122
/proc/meminfo: memFree=1033968/2055920 swapFree=4181692/4192956
[pid=22121] ppid=22119 vsize=217364 CPUtime=12.68
/proc/22121/stat : 22121 (adaptg2wsat+) R 22119 22121 21948 0 -1 4194304 401 0 0 0 1268 0 0 0 25 0 1 0 311054859 222580736 382 1992294400 134512640 134930140 4294956224 18446744073709551615 134547901 0 0 4096 0 0 0 0 17 0 0 0
/proc/22121/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 217364

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

[startup+14.3056 s]
/proc/loadavg: 0.94 0.98 1.43 2/65 22122
/proc/meminfo: memFree=1033968/2055920 swapFree=4181692/4192956
[pid=22121] ppid=22119 vsize=217364 CPUtime=14.28
/proc/22121/stat : 22121 (adaptg2wsat+) R 22119 22121 21948 0 -1 4194304 401 0 0 0 1428 0 0 0 25 0 1 0 311054859 222580736 382 1992294400 134512640 134930140 4294956224 18446744073709551615 134547497 0 0 4096 0 0 0 0 17 0 0 0
/proc/22121/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 14.28
Current children cumulated vsize (KiB) 217364

[startup+15.1017 s]
/proc/loadavg: 0.94 0.98 1.43 2/65 22122
/proc/meminfo: memFree=1033968/2055920 swapFree=4181692/4192956
[pid=22121] ppid=22119 vsize=217364 CPUtime=15.08
/proc/22121/stat : 22121 (adaptg2wsat+) R 22119 22121 21948 0 -1 4194304 401 0 0 0 1508 0 0 0 25 0 1 0 311054859 222580736 382 1992294400 134512640 134930140 4294956224 18446744073709551615 134546565 0 0 4096 0 0 0 0 17 0 0 0
/proc/22121/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 15.08
Current children cumulated vsize (KiB) 217364

[startup+15.5017 s]
/proc/loadavg: 0.94 0.98 1.43 2/65 22122
/proc/meminfo: memFree=1034032/2055920 swapFree=4181692/4192956
[pid=22121] ppid=22119 vsize=217364 CPUtime=15.48
/proc/22121/stat : 22121 (adaptg2wsat+) R 22119 22121 21948 0 -1 4194304 401 0 0 0 1548 0 0 0 25 0 1 0 311054859 222580736 382 1992294400 134512640 134930140 4294956224 18446744073709551615 134546399 0 0 4096 0 0 0 0 17 0 0 0
/proc/22121/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 15.48
Current children cumulated vsize (KiB) 217364

[startup+15.7017 s]
/proc/loadavg: 0.94 0.98 1.43 2/65 22122
/proc/meminfo: memFree=1034032/2055920 swapFree=4181692/4192956
[pid=22121] ppid=22119 vsize=217364 CPUtime=15.68
/proc/22121/stat : 22121 (adaptg2wsat+) R 22119 22121 21948 0 -1 4194304 401 0 0 0 1568 0 0 0 25 0 1 0 311054859 222580736 382 1992294400 134512640 134930140 4294956224 18446744073709551615 134545275 0 0 4096 0 0 0 0 17 0 0 0
/proc/22121/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 15.68
Current children cumulated vsize (KiB) 217364

Child status: 10
Real time (s): 15.7841
CPU time (s): 15.7736
CPU user time (s): 15.7646
CPU system time (s): 0.008998
CPU usage (%): 99.9336
Max. virtual memory (cumulated for all children) (KiB): 217364

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 15.7646
system time used= 0.008998
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= 49

runsolver used 0.008998 second user time and 0.055991 second system time

The end

Launcher Data 

Begin job on node42 at 2009-04-02 12:35:35
IDJOB=1545256
IDBENCH=70285
IDSOLVER=562
FILE ID=node42/1545256-1238668535
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-S1765449180-016.cnf
COMMAND LINE= HOME/adaptg2wsat+ BENCHNAME            
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1545256-1238668535/watcher-1545256-1238668535 -o /tmp/evaluation-result-1545256-1238668535/solver-1545256-1238668535 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/adaptg2wsat+ HOME/instance-1545256-1238668535.cnf            

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

MD5SUM BENCH= 8919b1e0a8b22ddbf62ba887cc4a9b9a
RANDOM SEED=1350796048

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:        117560 kB
Cached:         794032 kB
SwapCached:       5184 kB
Active:         237480 kB
Inactive:       682640 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1036248 kB
SwapTotal:     4192956 kB
SwapFree:      4181692 kB
Dirty:            6376 kB
Writeback:           0 kB
Mapped:          14284 kB
Slab:            85620 kB
Committed_AS:  1123404 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 12:35:51