Trace number 347331

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, and are wall clock time (not CPU 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
Barcelogic Fixed 2007-04-13SAT 5.42817 5.43402

General information on the benchmark

Namerandom/2+p/p0.8/v1295/
unif2p-p0.8-v1295-c4027-S1209647106-12-SAT.cnf
MD5SUM5b71a13667daed42fef777f7d5fe2376
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.05599
Satisfiable
(Un)Satisfiability was proved
Number of variables1295
Number of clauses4026
Sum of the clauses size11273
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 2805
Number of clauses of size 33221
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

0.00/0.00	c Parsing...
0.00/0.01	c ==============================================================================
0.00/0.01	c |           |     ORIGINAL     |              LEARNT              |          |
0.00/0.01	c | Conflicts | Clauses Literals |   Limit Clauses Literals  Lit/Cl | Progress |
0.00/0.01	c ==============================================================================
0.00/0.01	c |         0 |    4026    11273 |    1207       0        0     nan |  0.000 % |
0.00/0.02	c |         0 |    3771    11262 |      --       0       --      -- |     --   | -255/-11
0.00/0.02	c ==============================================================================
0.00/0.02	c Result  :   #vars: 1105   #clauses: 3771   #literals: 11262
0.00/0.02	c CPU time:   0.015997 s
0.00/0.02	c ==============================================================================
5.38/5.43	s SATISFIABLE
5.38/5.43	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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-1288 1289 -1290 -1291 1292 -1293 1294 1295 0

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node39/watcher-347331-1176679163 -o ROOT/results/node39/solver-347331-1176679163 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/347331-1176679163/Barcelogic /tmp/evaluation/347331-1176679163/instance-347331-1176679163.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): 2400 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: 0.78 0.97 0.98 3/77 5899
/proc/meminfo: memFree=1703360/2055920 swapFree=4172980/4192956
[pid=5899] ppid=5897 vsize=5352 CPUtime=0
/proc/5899/stat : 5899 (Barcelogic) S 5897 5899 5836 0 -1 4194304 273 0 0 0 0 0 0 0 18 0 1 0 115828365 5480448 232 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 231493828690 0 0 4100 65536 18446744071563648864 0 0 17 1 0 0
/proc/5899/statm: 1338 232 195 169 0 49 0
[pid=5900] ppid=5899 vsize=5352 CPUtime=0
/proc/5900/stat : 5900 (Barcelogic) S 5899 5899 5836 0 -1 4194368 53 25 0 0 0 0 0 0 20 0 1 0 115828365 5480448 236 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 231493657412 0 65536 4096 65538 18446744071563356171 0 0 17 1 0 0
/proc/5900/statm: 1338 236 198 169 0 49 0
[pid=5902] ppid=5900 vsize=0 CPUtime=0
/proc/5902/stat : 5902 (sed) R 5900 5899 5836 0 -1 4194316 163 0 0 0 0 0 0 0 15 0 1 0 115828365 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/5902/statm: 
[startup+0.0441479 s]
/proc/loadavg: 0.78 0.97 0.98 3/77 5899
/proc/meminfo: memFree=1703360/2055920 swapFree=4172980/4192956
[pid=5899] ppid=5897 vsize=5352 CPUtime=0.02
/proc/5899/stat : 5899 (Barcelogic) S 5897 5899 5836 0 -1 4194304 334 512 0 0 0 0 2 0 16 0 1 0 115828365 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 231493657412 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/5899/statm: 1338 237 197 169 0 49 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 5352

[startup+0.101154 s]
/proc/loadavg: 0.78 0.97 0.98 3/77 5899
/proc/meminfo: memFree=1703360/2055920 swapFree=4172980/4192956
[pid=5899] ppid=5897 vsize=5352 CPUtime=0.02
/proc/5899/stat : 5899 (Barcelogic) S 5897 5899 5836 0 -1 4194304 334 512 0 0 0 0 2 0 16 0 1 0 115828365 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 231493657412 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/5899/statm: 1338 237 197 169 0 49 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 5352

[startup+0.301188 s]
/proc/loadavg: 0.78 0.97 0.98 3/77 5899
/proc/meminfo: memFree=1703360/2055920 swapFree=4172980/4192956
[pid=5899] ppid=5897 vsize=5352 CPUtime=0.02
/proc/5899/stat : 5899 (Barcelogic) S 5897 5899 5836 0 -1 4194304 334 512 0 0 0 0 2 0 16 0 1 0 115828365 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 231493657412 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/5899/statm: 1338 237 197 169 0 49 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 5352

[startup+0.701256 s]
/proc/loadavg: 0.78 0.97 0.98 3/77 5899
/proc/meminfo: memFree=1703360/2055920 swapFree=4172980/4192956
[pid=5899] ppid=5897 vsize=5352 CPUtime=0.02
/proc/5899/stat : 5899 (Barcelogic) S 5897 5899 5836 0 -1 4194304 334 512 0 0 0 0 2 0 16 0 1 0 115828365 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 231493657412 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/5899/statm: 1338 237 197 169 0 49 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 5352

[startup+1.50239 s]
/proc/loadavg: 0.78 0.97 0.98 2/79 5905
/proc/meminfo: memFree=1699120/2055920 swapFree=4172980/4192956
[pid=5899] ppid=5897 vsize=5352 CPUtime=0.02
/proc/5899/stat : 5899 (Barcelogic) S 5897 5899 5836 0 -1 4194304 334 512 0 0 0 0 2 0 16 0 1 0 115828365 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 231493657412 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/5899/statm: 1338 237 197 169 0 49 0
[pid=5905] ppid=5899 vsize=1476396 CPUtime=1.46
/proc/5905/stat : 5905 (bsat) R 5899 5899 5836 0 -1 4194304 1454 0 0 0 146 0 0 0 25 0 1 0 115828368 1511829504 1423 18446744073709551615 134512640 135463317 4294956752 18446744073709551615 134535683 0 0 4096 0 0 0 0 17 1 0 0
/proc/5905/statm: 369099 1423 84 232 0 368864 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 1481748

[startup+3.10166 s]
/proc/loadavg: 0.78 0.97 0.98 2/79 5905
/proc/meminfo: memFree=1696048/2055920 swapFree=4172980/4192956
[pid=5899] ppid=5897 vsize=5352 CPUtime=0.02
/proc/5899/stat : 5899 (Barcelogic) S 5897 5899 5836 0 -1 4194304 334 512 0 0 0 0 2 0 16 0 1 0 115828365 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 231493657412 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/5899/statm: 1338 237 197 169 0 49 0
[pid=5905] ppid=5899 vsize=1476396 CPUtime=3.05
/proc/5905/stat : 5905 (bsat) R 5899 5899 5836 0 -1 4194304 2127 0 0 0 305 0 0 0 25 0 1 0 115828368 1511829504 2094 18446744073709551615 134512640 135463317 4294956752 18446744073709551615 134517525 0 0 4096 0 0 0 0 17 1 0 0
/proc/5905/statm: 369099 2094 94 232 0 368864 0
Current children cumulated CPU time (s) 3.07
Current children cumulated vsize (KiB) 1481748

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

[startup+4.70193 s]
/proc/loadavg: 0.78 0.97 0.98 2/79 5905
/proc/meminfo: memFree=1694832/2055920 swapFree=4172980/4192956
[pid=5899] ppid=5897 vsize=5352 CPUtime=0.02
/proc/5899/stat : 5899 (Barcelogic) S 5897 5899 5836 0 -1 4194304 334 512 0 0 0 0 2 0 16 0 1 0 115828365 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 231493657412 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/5899/statm: 1338 237 197 169 0 49 0
[pid=5905] ppid=5899 vsize=1476396 CPUtime=4.65
/proc/5905/stat : 5905 (bsat) R 5899 5899 5836 0 -1 4194304 2130 0 0 0 465 0 0 0 25 0 1 0 115828368 1511829504 2097 18446744073709551615 134512640 135463317 4294956752 18446744073709551615 134518718 0 0 4096 0 0 0 0 17 1 0 0
/proc/5905/statm: 369099 2097 94 232 0 368864 0
Current children cumulated CPU time (s) 4.67
Current children cumulated vsize (KiB) 1481748

[startup+5.102 s]
/proc/loadavg: 0.78 0.97 0.98 2/79 5905
/proc/meminfo: memFree=1694832/2055920 swapFree=4172980/4192956
[pid=5899] ppid=5897 vsize=5352 CPUtime=0.02
/proc/5899/stat : 5899 (Barcelogic) S 5897 5899 5836 0 -1 4194304 334 512 0 0 0 0 2 0 16 0 1 0 115828365 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 231493657412 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/5899/statm: 1338 237 197 169 0 49 0
[pid=5905] ppid=5899 vsize=1476396 CPUtime=5.05
/proc/5905/stat : 5905 (bsat) R 5899 5899 5836 0 -1 4194304 2150 0 0 0 505 0 0 0 25 0 1 0 115828368 1511829504 2117 18446744073709551615 134512640 135463317 4294956752 18446744073709551615 134518821 0 0 4096 0 0 0 0 17 1 0 0
/proc/5905/statm: 369099 2117 94 232 0 368864 0
Current children cumulated CPU time (s) 5.07
Current children cumulated vsize (KiB) 1481748

[startup+5.30103 s]
/proc/loadavg: 0.78 0.97 0.98 2/79 5905
/proc/meminfo: memFree=1694832/2055920 swapFree=4172980/4192956
[pid=5899] ppid=5897 vsize=5352 CPUtime=0.02
/proc/5899/stat : 5899 (Barcelogic) S 5897 5899 5836 0 -1 4194304 334 512 0 0 0 0 2 0 16 0 1 0 115828365 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 231493657412 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/5899/statm: 1338 237 197 169 0 49 0
[pid=5905] ppid=5899 vsize=1476396 CPUtime=5.26
/proc/5905/stat : 5905 (bsat) R 5899 5899 5836 0 -1 4194304 2230 0 0 0 525 1 0 0 25 0 1 0 115828368 1511829504 2197 18446744073709551615 134512640 135463317 4294956752 18446744073709551615 134517315 0 0 4096 0 0 0 0 17 1 0 0
/proc/5905/statm: 369099 2197 94 232 0 368864 0
Current children cumulated CPU time (s) 5.28
Current children cumulated vsize (KiB) 1481748

[startup+5.40105 s]
/proc/loadavg: 0.80 0.97 0.98 2/79 5905
/proc/meminfo: memFree=1694000/2055920 swapFree=4172980/4192956
[pid=5899] ppid=5897 vsize=5352 CPUtime=0.02
/proc/5899/stat : 5899 (Barcelogic) S 5897 5899 5836 0 -1 4194304 334 512 0 0 0 0 2 0 16 0 1 0 115828365 5480448 237 18446744073709551615 4194304 4889804 548682069280 18446744073709551615 231493657412 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/5899/statm: 1338 237 197 169 0 49 0
[pid=5905] ppid=5899 vsize=1476396 CPUtime=5.36
/proc/5905/stat : 5905 (bsat) R 5899 5899 5836 0 -1 4194304 2308 0 0 0 535 1 0 0 25 0 1 0 115828368 1511829504 2275 18446744073709551615 134512640 135463317 4294956752 18446744073709551615 134529786 0 0 4096 0 0 0 0 17 1 0 0
/proc/5905/statm: 369099 2275 94 232 0 368864 0
Current children cumulated CPU time (s) 5.38
Current children cumulated vsize (KiB) 1481748

Child status: 10
Real time (s): 5.43402
CPU time (s): 5.42817
CPU user time (s): 5.40318
CPU system time (s): 0.024996
CPU usage (%): 99.8925
Max. virtual memory (cumulated for all children) (KiB): 1481748

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.40318
system time used= 0.024996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3491
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= 51
involuntary context switches= 29

runsolver used 0.011998 second user time and 0.016997 second system time

The end

Launcher Data (download as text)

Begin job on node39 on Sun Apr 15 23:19:23 UTC 2007

IDJOB= 347331
IDBENCH= 20304
IDSOLVER= 154
FILE ID= node39/347331-1176679163

PBS_JOBID= 4559985

Free space on /tmp= 66561 MiB

SOLVER NAME= Barcelogic Fixed 2007-04-13
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1295/unif2p-p0.8-v1295-c4027-S1209647106-12-SAT.cnf
COMMAND LINE= /tmp/evaluation/347331-1176679163/Barcelogic /tmp/evaluation/347331-1176679163/instance-347331-1176679163.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node39/watcher-347331-1176679163 -o ROOT/results/node39/solver-347331-1176679163 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/347331-1176679163/Barcelogic /tmp/evaluation/347331-1176679163/instance-347331-1176679163.cnf            

META MD5SUM SOLVER= 79e0ce795fa2b766501147b4c62bcf0d
MD5SUM BENCH=  5b71a13667daed42fef777f7d5fe2376

RANDOM SEED= 728391199

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node39.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.256
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		: 3000.256
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:       1703832 kB
Buffers:         53044 kB
Cached:         106500 kB
SwapCached:       2364 kB
Active:         226480 kB
Inactive:        60456 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1703832 kB
SwapTotal:     4192956 kB
SwapFree:      4172980 kB
Dirty:            1868 kB
Writeback:           0 kB
Mapped:         141676 kB
Slab:            50444 kB
Committed_AS:  1783588 kB
PageTables:       2012 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= 66561 MiB

End job on node39 on Sun Apr 15 23:19:29 UTC 2007