Trace number 1532593

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
adaptg2wsat2009++ 2009-03-23SAT 16.1855 16.192

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/2000/
unif-k3-r4.2-v2000-c8400-S1494472801-040.cnf
MD5SUM68d6a1970f04966f07e2b02a79996009
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.725889
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

16.08/16.19	c 0 clauses are redundant and removed
16.08/16.19	c 0 vars are fixed and 0 clauses are removed after unit propagation
16.08/16.19	c 0 vars are fixed and 0 clauses are removed after lookahead
16.08/16.19	c initial seed is 560687062
16.08/16.19	c try 1 flip j 11701891 walk 10161757 seed 79752230
16.08/16.19	c A solution is found
16.08/16.19	s SATISFIABLE
16.08/16.19	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 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16.08/16.19	v 0 
16.08/16.19	c Done (mycputime is 16.160 seconds)

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-1532593-1238389004/watcher-1532593-1238389004 -o /tmp/evaluation-result-1532593-1238389004/solver-1532593-1238389004 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/adaptg2wsat2009++ HOME/instance-1532593-1238389004.cnf 560687062 

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 0.99 3/64 11224
/proc/meminfo: memFree=1520704/2055920 swapFree=4176720/4192956
[pid=11224] ppid=11222 vsize=415800 CPUtime=0
/proc/11224/stat : 11224 (adaptg2wsat2009) R 11222 11224 11038 0 -1 4194304 109 0 0 0 0 0 0 0 18 0 1 0 1111565397 425779200 93 1992294400 134512640 135107411 4294956192 18446744073709551615 134591718 0 0 4096 0 0 0 0 17 1 0 0
/proc/11224/statm: 103950 93 48 145 0 102826 0

[startup+0.00770099 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 11224
/proc/meminfo: memFree=1520704/2055920 swapFree=4176720/4192956
[pid=11224] ppid=11222 vsize=415800 CPUtime=0
/proc/11224/stat : 11224 (adaptg2wsat2009) R 11222 11224 11038 0 -1 4194304 127 0 0 0 0 0 0 0 18 0 1 0 1111565397 425779200 111 1992294400 134512640 135107411 4294956192 18446744073709551615 134591718 0 0 4096 0 0 0 0 17 1 0 0
/proc/11224/statm: 103950 112 48 145 0 102826 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 415800

[startup+0.101715 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 11224
/proc/meminfo: memFree=1520704/2055920 swapFree=4176720/4192956
[pid=11224] ppid=11222 vsize=416724 CPUtime=0.09
/proc/11224/stat : 11224 (adaptg2wsat2009) R 11222 11224 11038 0 -1 4194304 457 0 0 0 9 0 0 0 18 0 1 0 1111565397 426725376 440 1992294400 134512640 135107411 4294956192 18446744073709551615 134531600 0 0 4096 0 0 0 0 17 1 0 0
/proc/11224/statm: 104181 440 59 145 0 103057 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 416724

[startup+0.301745 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 11224
/proc/meminfo: memFree=1520704/2055920 swapFree=4176720/4192956
[pid=11224] ppid=11222 vsize=416724 CPUtime=0.29
/proc/11224/stat : 11224 (adaptg2wsat2009) R 11222 11224 11038 0 -1 4194304 457 0 0 0 29 0 0 0 19 0 1 0 1111565397 426725376 440 1992294400 134512640 135107411 4294956192 18446744073709551615 134548414 0 0 4096 0 0 0 0 17 1 0 0
/proc/11224/statm: 104181 440 59 145 0 103057 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 416724

[startup+0.701807 s]
/proc/loadavg: 0.92 0.98 0.99 3/64 11224
/proc/meminfo: memFree=1520704/2055920 swapFree=4176720/4192956
[pid=11224] ppid=11222 vsize=416724 CPUtime=0.69
/proc/11224/stat : 11224 (adaptg2wsat2009) R 11222 11224 11038 0 -1 4194304 457 0 0 0 69 0 0 0 22 0 1 0 1111565397 426725376 440 1992294400 134512640 135107411 4294956192 18446744073709551615 134532128 0 0 4096 0 0 0 0 17 1 0 0
/proc/11224/statm: 104181 440 59 145 0 103057 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 416724

[startup+1.50293 s]
/proc/loadavg: 0.92 0.98 0.99 2/65 11225
/proc/meminfo: memFree=1518840/2055920 swapFree=4176720/4192956
[pid=11224] ppid=11222 vsize=416724 CPUtime=1.49
/proc/11224/stat : 11224 (adaptg2wsat2009) R 11222 11224 11038 0 -1 4194304 457 0 0 0 149 0 0 0 25 0 1 0 1111565397 426725376 440 1992294400 134512640 135107411 4294956192 18446744073709551615 134531600 0 0 4096 0 0 0 0 17 1 0 0
/proc/11224/statm: 104181 440 59 145 0 103057 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 416724

[startup+3.10117 s]
/proc/loadavg: 0.92 0.98 0.99 2/65 11225
/proc/meminfo: memFree=1518712/2055920 swapFree=4176720/4192956
[pid=11224] ppid=11222 vsize=416724 CPUtime=3.09
/proc/11224/stat : 11224 (adaptg2wsat2009) R 11222 11224 11038 0 -1 4194304 457 0 0 0 309 0 0 0 25 0 1 0 1111565397 426725376 440 1992294400 134512640 135107411 4294956192 18446744073709551615 134535288 0 0 4096 0 0 0 0 17 1 0 0
/proc/11224/statm: 104181 440 59 145 0 103057 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 416724

[startup+6.30166 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 11225
/proc/meminfo: memFree=1518712/2055920 swapFree=4176720/4192956
[pid=11224] ppid=11222 vsize=416724 CPUtime=6.29
/proc/11224/stat : 11224 (adaptg2wsat2009) R 11222 11224 11038 0 -1 4194304 457 0 0 0 629 0 0 0 25 0 1 0 1111565397 426725376 440 1992294400 134512640 135107411 4294956192 18446744073709551615 134532277 0 0 4096 0 0 0 0 17 1 0 0
/proc/11224/statm: 104181 440 59 145 0 103057 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 416724

[startup+12.7016 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 11225
/proc/meminfo: memFree=1518712/2055920 swapFree=4176720/4192956
[pid=11224] ppid=11222 vsize=416724 CPUtime=12.69
/proc/11224/stat : 11224 (adaptg2wsat2009) R 11222 11224 11038 0 -1 4194304 457 0 0 0 1269 0 0 0 25 0 1 0 1111565397 426725376 440 1992294400 134512640 135107411 4294956192 18446744073709551615 134535228 0 0 4096 0 0 0 0 17 1 0 0
/proc/11224/statm: 104181 440 59 145 0 103057 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 416724

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

[startup+14.3059 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 11225
/proc/meminfo: memFree=1518712/2055920 swapFree=4176720/4192956
[pid=11224] ppid=11222 vsize=416724 CPUtime=14.29
/proc/11224/stat : 11224 (adaptg2wsat2009) R 11222 11224 11038 0 -1 4194304 457 0 0 0 1429 0 0 0 25 0 1 0 1111565397 426725376 440 1992294400 134512640 135107411 4294956192 18446744073709551615 134532215 0 0 4096 0 0 0 0 17 1 0 0
/proc/11224/statm: 104181 440 59 145 0 103057 0
Current children cumulated CPU time (s) 14.29
Current children cumulated vsize (KiB) 416724

[startup+15.102 s]
/proc/loadavg: 0.93 0.98 0.99 2/65 11225
/proc/meminfo: memFree=1518712/2055920 swapFree=4176720/4192956
[pid=11224] ppid=11222 vsize=416724 CPUtime=15.09
/proc/11224/stat : 11224 (adaptg2wsat2009) R 11222 11224 11038 0 -1 4194304 457 0 0 0 1509 0 0 0 25 0 1 0 1111565397 426725376 440 1992294400 134512640 135107411 4294956192 18446744073709551615 134535128 0 0 4096 0 0 0 0 17 1 0 0
/proc/11224/statm: 104181 440 59 145 0 103057 0
Current children cumulated CPU time (s) 15.09
Current children cumulated vsize (KiB) 416724

[startup+15.9011 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 11225
/proc/meminfo: memFree=1518712/2055920 swapFree=4176720/4192956
[pid=11224] ppid=11222 vsize=416724 CPUtime=15.88
/proc/11224/stat : 11224 (adaptg2wsat2009) R 11222 11224 11038 0 -1 4194304 457 0 0 0 1588 0 0 0 25 0 1 0 1111565397 426725376 440 1992294400 134512640 135107411 4294956192 18446744073709551615 134532215 0 0 4096 0 0 0 0 17 1 0 0
/proc/11224/statm: 104181 440 59 145 0 103057 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 416724

[startup+16.1012 s]
/proc/loadavg: 0.94 0.98 0.99 2/65 11225
/proc/meminfo: memFree=1518712/2055920 swapFree=4176720/4192956
[pid=11224] ppid=11222 vsize=416724 CPUtime=16.08
/proc/11224/stat : 11224 (adaptg2wsat2009) R 11222 11224 11038 0 -1 4194304 457 0 0 0 1608 0 0 0 25 0 1 0 1111565397 426725376 440 1992294400 134512640 135107411 4294956192 18446744073709551615 134531817 0 0 4096 0 0 0 0 17 1 0 0
/proc/11224/statm: 104181 440 59 145 0 103057 0
Current children cumulated CPU time (s) 16.08
Current children cumulated vsize (KiB) 416724

Child status: 10
Real time (s): 16.192
CPU time (s): 16.1855
CPU user time (s): 16.1805
CPU system time (s): 0.004999
CPU usage (%): 99.9599
Max. virtual memory (cumulated for all children) (KiB): 416724

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 16.1805
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= 470
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= 5
involuntary context switches= 35

runsolver used 0.017997 second user time and 0.036994 second system time

The end

Launcher Data

Begin job on node34 at 2009-03-30 06:56:44
IDJOB=1532593
IDBENCH=70292
IDSOLVER=543
FILE ID=node34/1532593-1238389004
PBS_JOBID= 9061367
Free space on /tmp= 66380 MiB

SOLVER NAME= adaptg2wsat2009++ 2009-03-23
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/2000/unif-k3-r4.2-v2000-c8400-S1494472801-040.cnf
COMMAND LINE= HOME/adaptg2wsat2009++ BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1532593-1238389004/watcher-1532593-1238389004 -o /tmp/evaluation-result-1532593-1238389004/solver-1532593-1238389004 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/adaptg2wsat2009++ HOME/instance-1532593-1238389004.cnf 560687062

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

MD5SUM BENCH= 68d6a1970f04966f07e2b02a79996009
RANDOM SEED=560687062

node34.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		: 3000.259
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		: 3000.259
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:       1521184 kB
Buffers:         76960 kB
Cached:         358704 kB
SwapCached:      10076 kB
Active:          48408 kB
Inactive:       398772 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1521184 kB
SwapTotal:     4192956 kB
SwapFree:      4176720 kB
Dirty:            4740 kB
Writeback:           0 kB
Mapped:          17180 kB
Slab:            73564 kB
Committed_AS:  2625856 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= 66376 MiB
End job on node34 at 2009-03-30 06:57:00