Trace number 1545268

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 2.96855 2.9682

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/2000/
unif-k3-r4.2-v2000-c8400-S1075551507-050.cnf
MD5SUMe6c4aa9150c7e5a44a3dd14ff53afc9f
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.233964
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 

2.90/2.96	c try 1 flip j 2294685
2.90/2.96	c A solution is found
2.90/2.96	s SATISFIABLE
2.90/2.96	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 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2.90/2.96	v 0 
2.90/2.96	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-1545268-1238668553/watcher-1545268-1238668553 -o /tmp/evaluation-result-1545268-1238668553/solver-1545268-1238668553 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/adaptg2wsat+ HOME/instance-1545268-1238668553.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: 1.00 1.00 1.41 3/64 18611
/proc/meminfo: memFree=1636312/2055920 swapFree=4178252/4192956
[pid=18611] ppid=18609 vsize=215024 CPUtime=0
/proc/18611/stat : 18611 (adaptg2wsat+) R 18609 18611 18355 0 -1 4194304 101 0 0 0 0 0 0 0 18 0 1 0 1139521824 220184576 86 1992294400 134512640 134930140 4294956240 18446744073709551615 134598813 0 0 4096 0 0 0 0 17 0 0 0
/proc/18611/statm: 53756 87 38 101 0 53262 0

[startup+0.0883091 s]
/proc/loadavg: 1.00 1.00 1.41 3/64 18611
/proc/meminfo: memFree=1636312/2055920 swapFree=4178252/4192956
[pid=18611] ppid=18609 vsize=217364 CPUtime=0.08
/proc/18611/stat : 18611 (adaptg2wsat+) R 18609 18611 18355 0 -1 4194304 401 0 0 0 8 0 0 0 18 0 1 0 1139521824 222580736 382 1992294400 134512640 134930140 4294956240 18446744073709551615 134547165 0 0 4096 0 0 0 0 17 0 0 0
/proc/18611/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 217364

[startup+0.101305 s]
/proc/loadavg: 1.00 1.00 1.41 3/64 18611
/proc/meminfo: memFree=1636312/2055920 swapFree=4178252/4192956
[pid=18611] ppid=18609 vsize=217364 CPUtime=0.09
/proc/18611/stat : 18611 (adaptg2wsat+) R 18609 18611 18355 0 -1 4194304 401 0 0 0 9 0 0 0 18 0 1 0 1139521824 222580736 382 1992294400 134512640 134930140 4294956240 18446744073709551615 134546593 0 0 4096 0 0 0 0 17 0 0 0
/proc/18611/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 217364

[startup+0.301248 s]
/proc/loadavg: 1.00 1.00 1.41 3/64 18611
/proc/meminfo: memFree=1636312/2055920 swapFree=4178252/4192956
[pid=18611] ppid=18609 vsize=217364 CPUtime=0.29
/proc/18611/stat : 18611 (adaptg2wsat+) R 18609 18611 18355 0 -1 4194304 401 0 0 0 29 0 0 0 19 0 1 0 1139521824 222580736 382 1992294400 134512640 134930140 4294956240 18446744073709551615 134547190 0 0 4096 0 0 0 0 17 0 0 0
/proc/18611/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 217364

[startup+0.701136 s]
/proc/loadavg: 1.00 1.00 1.41 3/64 18611
/proc/meminfo: memFree=1636312/2055920 swapFree=4178252/4192956
[pid=18611] ppid=18609 vsize=217364 CPUtime=0.69
/proc/18611/stat : 18611 (adaptg2wsat+) R 18609 18611 18355 0 -1 4194304 401 0 0 0 69 0 0 0 23 0 1 0 1139521824 222580736 382 1992294400 134512640 134930140 4294956240 18446744073709551615 134545645 0 0 4096 0 0 0 0 17 0 0 0
/proc/18611/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 217364

[startup+1.50191 s]
/proc/loadavg: 1.00 1.00 1.41 2/65 18612
/proc/meminfo: memFree=1634832/2055920 swapFree=4178252/4192956
[pid=18611] ppid=18609 vsize=217364 CPUtime=1.5
/proc/18611/stat : 18611 (adaptg2wsat+) R 18609 18611 18355 0 -1 4194304 401 0 0 0 150 0 0 0 25 0 1 0 1139521824 222580736 382 1992294400 134512640 134930140 4294956240 18446744073709551615 134546563 0 0 4096 0 0 0 0 17 0 0 0
/proc/18611/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 1.5
Current children cumulated vsize (KiB) 217364

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

[startup+2.30169 s]
/proc/loadavg: 1.00 1.00 1.41 2/65 18612
/proc/meminfo: memFree=1634704/2055920 swapFree=4178252/4192956
[pid=18611] ppid=18609 vsize=217364 CPUtime=2.3
/proc/18611/stat : 18611 (adaptg2wsat+) R 18609 18611 18355 0 -1 4194304 401 0 0 0 230 0 0 0 25 0 1 0 1139521824 222580736 382 1992294400 134512640 134930140 4294956240 18446744073709551615 134547192 0 0 4096 0 0 0 0 17 0 0 0
/proc/18611/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 2.3
Current children cumulated vsize (KiB) 217364

[startup+2.70158 s]
/proc/loadavg: 1.00 1.00 1.41 2/65 18612
/proc/meminfo: memFree=1634704/2055920 swapFree=4178252/4192956
[pid=18611] ppid=18609 vsize=217364 CPUtime=2.7
/proc/18611/stat : 18611 (adaptg2wsat+) R 18609 18611 18355 0 -1 4194304 401 0 0 0 270 0 0 0 25 0 1 0 1139521824 222580736 382 1992294400 134512640 134930140 4294956240 18446744073709551615 134546584 0 0 4096 0 0 0 0 17 0 0 0
/proc/18611/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 2.7
Current children cumulated vsize (KiB) 217364

[startup+2.90152 s]
/proc/loadavg: 1.00 1.00 1.41 2/65 18612
/proc/meminfo: memFree=1634704/2055920 swapFree=4178252/4192956
[pid=18611] ppid=18609 vsize=217364 CPUtime=2.9
/proc/18611/stat : 18611 (adaptg2wsat+) R 18609 18611 18355 0 -1 4194304 401 0 0 0 290 0 0 0 25 0 1 0 1139521824 222580736 382 1992294400 134512640 134930140 4294956240 18446744073709551615 134552872 0 0 4096 0 0 0 0 17 0 0 0
/proc/18611/statm: 54341 382 41 101 0 53847 0
Current children cumulated CPU time (s) 2.9
Current children cumulated vsize (KiB) 217364

Child status: 10
Real time (s): 2.9682
CPU time (s): 2.96855
CPU user time (s): 2.96655
CPU system time (s): 0.001999
CPU usage (%): 100.012
Max. virtual memory (cumulated for all children) (KiB): 217364

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.96655
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= 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= 10

runsolver used 0.006998 second user time and 0.010998 second system time

The end

Launcher Data 

Begin job on node16 at 2009-04-02 12:35:53
IDJOB=1545268
IDBENCH=70291
IDSOLVER=562
FILE ID=node16/1545268-1238668553
PBS_JOBID= 9075400
Free space on /tmp= 63956 MiB

SOLVER NAME= SAT07 reference solver: adaptg2wsat+ 2007-02-08
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/2000/unif-k3-r4.2-v2000-c8400-S1075551507-050.cnf
COMMAND LINE= HOME/adaptg2wsat+ BENCHNAME            
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1545268-1238668553/watcher-1545268-1238668553 -o /tmp/evaluation-result-1545268-1238668553/solver-1545268-1238668553 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/adaptg2wsat+ HOME/instance-1545268-1238668553.cnf            

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

MD5SUM BENCH= e6c4aa9150c7e5a44a3dd14ff53afc9f
RANDOM SEED=2003502384

node16.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		: 3000.232
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		: 3000.232
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:       1636856 kB
Buffers:         82056 kB
Cached:         242108 kB
SwapCached:       8560 kB
Active:         226444 kB
Inactive:       107748 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1636856 kB
SwapTotal:     4192956 kB
SwapFree:      4178252 kB
Dirty:            6404 kB
Writeback:           0 kB
Mapped:          15668 kB
Slab:            70980 kB
Committed_AS:  3175752 kB
PageTables:       1440 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= 63948 MiB
End job on node16 at 2009-04-02 12:35:56