Trace number 1784699

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
SApperloT baseSAT 62.3855 62.4075

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
MD5SUM74af041eb51b172e799baf4bb7eaa52f
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.47462
Satisfiable
(Un)Satisfiability was proved
Number of variables2737
Number of clauses18375
Sum of the clauses size129048
Maximum clause length13
Minimum clause length1
Number of clauses of size 149
Number of clauses of size 2491
Number of clauses of size 32419
Number of clauses of size 4526
Number of clauses of size 5691
Number of clauses of size over 514199

Solver Data

62.37/62.40	
62.37/62.40	s SATISFIABLE
62.37/62.40	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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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-1784699-1241864716/watcher-1784699-1241864716 -o /tmp/evaluation-result-1784699-1241864716/solver-1784699-1241864716 -C 5000 -W 6000 -M 1800 --output-limit 1,128 HOME/SApperloT-base -seed=1356120243 HOME/instance-1784699-1241864716.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 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 134217728 bytes. The first 1048576 bytes and the last 133169152 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.00 0.91 3/65 27562
/proc/meminfo: memFree=1832296/2055920 swapFree=4162540/4192956
[pid=27562] ppid=27560 vsize=1580 CPUtime=0
/proc/27562/stat : 27562 (SApperloT-base) R 27560 27562 26795 0 -1 4194304 195 0 0 0 0 0 0 0 18 0 1 0 214500565 1617920 179 1992294400 134512640 135674940 4294956208 18446744073709551615 135113206 0 0 4096 0 0 0 0 17 1 0 0
/proc/27562/statm: 395 179 92 283 0 109 0

[startup+0.0383809 s]
/proc/loadavg: 1.00 1.00 0.91 3/65 27562
/proc/meminfo: memFree=1832296/2055920 swapFree=4162540/4192956
[pid=27562] ppid=27560 vsize=2768 CPUtime=0.03
/proc/27562/stat : 27562 (SApperloT-base) R 27560 27562 26795 0 -1 4194304 517 0 0 0 3 0 0 0 18 0 1 0 214500565 2834432 500 1992294400 134512640 135674940 4294956208 18446744073709551615 135113206 0 0 4096 0 0 0 0 17 1 0 0
/proc/27562/statm: 692 500 98 283 0 406 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 2768

[startup+0.101378 s]
/proc/loadavg: 1.00 1.00 0.91 3/65 27562
/proc/meminfo: memFree=1832296/2055920 swapFree=4162540/4192956
[pid=27562] ppid=27560 vsize=3300 CPUtime=0.09
/proc/27562/stat : 27562 (SApperloT-base) R 27560 27562 26795 0 -1 4194304 623 0 0 0 9 0 0 0 18 0 1 0 214500565 3379200 606 1992294400 134512640 135674940 4294956208 18446744073709551615 135113206 0 0 4096 0 0 0 0 17 1 0 0
/proc/27562/statm: 825 606 98 283 0 539 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3300

[startup+0.301417 s]
/proc/loadavg: 1.00 1.00 0.91 3/65 27562
/proc/meminfo: memFree=1832296/2055920 swapFree=4162540/4192956
[pid=27562] ppid=27560 vsize=4356 CPUtime=0.29
/proc/27562/stat : 27562 (SApperloT-base) R 27560 27562 26795 0 -1 4194304 883 0 0 0 29 0 0 0 19 0 1 0 214500565 4460544 866 1992294400 134512640 135674940 4294956208 18446744073709551615 135113127 0 0 4096 0 0 0 0 17 1 0 0
/proc/27562/statm: 1089 866 98 283 0 803 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4356

[startup+0.701498 s]
/proc/loadavg: 1.00 1.00 0.91 3/65 27562
/proc/meminfo: memFree=1832296/2055920 swapFree=4162540/4192956
[pid=27562] ppid=27560 vsize=5412 CPUtime=0.69
/proc/27562/stat : 27562 (SApperloT-base) R 27560 27562 26795 0 -1 4194304 1160 0 0 0 69 0 0 0 23 0 1 0 214500565 5541888 1143 1992294400 134512640 135674940 4294956208 18446744073709551615 134556460 0 0 4096 0 0 0 0 17 1 0 0
/proc/27562/statm: 1353 1143 98 283 0 1067 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5412

[startup+1.50266 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27563
/proc/meminfo: memFree=1827936/2055920 swapFree=4162540/4192956
[pid=27562] ppid=27560 vsize=5940 CPUtime=1.49
/proc/27562/stat : 27562 (SApperloT-base) R 27560 27562 26795 0 -1 4194304 1294 0 0 0 149 0 0 0 25 0 1 0 214500565 6082560 1277 1992294400 134512640 135674940 4294956208 18446744073709551615 134564660 0 0 4096 0 0 0 0 17 1 0 0
/proc/27562/statm: 1485 1277 98 283 0 1199 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5940

[startup+3.10199 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27563
/proc/meminfo: memFree=1827232/2055920 swapFree=4162540/4192956
[pid=27562] ppid=27560 vsize=6484 CPUtime=3.1
/proc/27562/stat : 27562 (SApperloT-base) R 27560 27562 26795 0 -1 4194304 1422 0 0 0 309 1 0 0 25 0 1 0 214500565 6639616 1405 1992294400 134512640 135674940 4294956208 18446744073709551615 134564806 0 0 4096 0 0 0 0 17 1 0 0
/proc/27562/statm: 1621 1405 98 283 0 1335 0
Current children cumulated CPU time (s) 3.1
Current children cumulated vsize (KiB) 6484

[startup+6.30164 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27563
/proc/meminfo: memFree=1826144/2055920 swapFree=4162540/4192956
[pid=27562] ppid=27560 vsize=7340 CPUtime=6.29
/proc/27562/stat : 27562 (SApperloT-base) R 27560 27562 26795 0 -1 4194304 1593 0 0 0 628 1 0 0 25 0 1 0 214500565 7516160 1576 1992294400 134512640 135674940 4294956208 18446744073709551615 134564250 0 0 4096 0 0 0 0 17 1 0 0
/proc/27562/statm: 1835 1576 99 283 0 1549 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7340

[startup+12.7019 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27563
/proc/meminfo: memFree=1824736/2055920 swapFree=4162540/4192956
[pid=27562] ppid=27560 vsize=8904 CPUtime=12.69
/proc/27562/stat : 27562 (SApperloT-base) R 27560 27562 26795 0 -1 4194304 1962 0 0 0 1268 1 0 0 25 0 1 0 214500565 9117696 1945 1992294400 134512640 135674940 4294956208 18446744073709551615 134564840 0 0 4096 0 0 0 0 17 1 0 0
/proc/27562/statm: 2226 1945 99 283 0 1940 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 8904

[startup+25.5015 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27563
/proc/meminfo: memFree=1823072/2055920 swapFree=4162540/4192956
[pid=27562] ppid=27560 vsize=10812 CPUtime=25.48
/proc/27562/stat : 27562 (SApperloT-base) R 27560 27562 26795 0 -1 4194304 2362 0 0 0 2547 1 0 0 25 0 1 0 214500565 11071488 2345 1992294400 134512640 135674940 4294956208 18446744073709551615 134564979 0 0 4096 0 0 0 0 17 1 0 0
/proc/27562/statm: 2703 2345 99 283 0 2417 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 10812

[startup+51.1017 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27563
/proc/meminfo: memFree=1820768/2055920 swapFree=4162540/4192956
[pid=27562] ppid=27560 vsize=13500 CPUtime=51.07
/proc/27562/stat : 27562 (SApperloT-base) R 27560 27562 26795 0 -1 4194304 2918 0 0 0 5106 1 0 0 25 0 1 0 214500565 13824000 2901 1992294400 134512640 135674940 4294956208 18446744073709551615 134581484 0 0 4096 0 0 0 0 17 1 0 0
/proc/27562/statm: 3375 2901 99 283 0 3089 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 13500

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

[startup+57.502 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27563
/proc/meminfo: memFree=1820320/2055920 swapFree=4162540/4192956
[pid=27562] ppid=27560 vsize=14116 CPUtime=57.47
/proc/27562/stat : 27562 (SApperloT-base) R 27560 27562 26795 0 -1 4194304 3035 0 0 0 5746 1 0 0 25 0 1 0 214500565 14454784 3018 1992294400 134512640 135674940 4294956208 18446744073709551615 134564660 0 0 4096 0 0 0 0 17 1 0 0
/proc/27562/statm: 3529 3018 99 283 0 3243 0
Current children cumulated CPU time (s) 57.47
Current children cumulated vsize (KiB) 14116

[startup+60.7017 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27563
/proc/meminfo: memFree=1819936/2055920 swapFree=4162540/4192956
[pid=27562] ppid=27560 vsize=14468 CPUtime=60.66
/proc/27562/stat : 27562 (SApperloT-base) R 27560 27562 26795 0 -1 4194304 3125 0 0 0 6065 1 0 0 25 0 1 0 214500565 14815232 3108 1992294400 134512640 135674940 4294956208 18446744073709551615 134564611 0 0 4096 0 0 0 0 17 1 0 0
/proc/27562/statm: 3617 3108 99 283 0 3331 0
Current children cumulated CPU time (s) 60.66
Current children cumulated vsize (KiB) 14468

[startup+61.5018 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27563
/proc/meminfo: memFree=1819808/2055920 swapFree=4162540/4192956
[pid=27562] ppid=27560 vsize=14660 CPUtime=61.47
/proc/27562/stat : 27562 (SApperloT-base) R 27560 27562 26795 0 -1 4194304 3149 0 0 0 6146 1 0 0 25 0 1 0 214500565 15011840 3132 1992294400 134512640 135674940 4294956208 18446744073709551615 134564660 0 0 4096 0 0 0 0 17 1 0 0
/proc/27562/statm: 3665 3132 99 283 0 3379 0
Current children cumulated CPU time (s) 61.47
Current children cumulated vsize (KiB) 14660

[startup+61.9019 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27563
/proc/meminfo: memFree=1819808/2055920 swapFree=4162540/4192956
[pid=27562] ppid=27560 vsize=14660 CPUtime=61.86
/proc/27562/stat : 27562 (SApperloT-base) R 27560 27562 26795 0 -1 4194304 3150 0 0 0 6185 1 0 0 25 0 1 0 214500565 15011840 3133 1992294400 134512640 135674940 4294956208 18446744073709551615 134562067 0 0 4096 0 0 0 0 17 1 0 0
/proc/27562/statm: 3665 3133 99 283 0 3379 0
Current children cumulated CPU time (s) 61.86
Current children cumulated vsize (KiB) 14660

[startup+62.303 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27563
/proc/meminfo: memFree=1819808/2055920 swapFree=4162540/4192956
[pid=27562] ppid=27560 vsize=14660 CPUtime=62.27
/proc/27562/stat : 27562 (SApperloT-base) R 27560 27562 26795 0 -1 4194304 3150 0 0 0 6226 1 0 0 25 0 1 0 214500565 15011840 3133 1992294400 134512640 135674940 4294956208 18446744073709551615 134564660 0 0 4096 0 0 0 0 17 1 0 0
/proc/27562/statm: 3665 3133 99 283 0 3379 0
Current children cumulated CPU time (s) 62.27
Current children cumulated vsize (KiB) 14660

[startup+62.403 s]
/proc/loadavg: 1.00 1.00 0.91 2/66 27563
/proc/meminfo: memFree=1819808/2055920 swapFree=4162540/4192956
[pid=27562] ppid=27560 vsize=14660 CPUtime=62.37
/proc/27562/stat : 27562 (SApperloT-base) R 27560 27562 26795 0 -1 4194304 3150 0 0 0 6236 1 0 0 25 0 1 0 214500565 15011840 3133 1992294400 134512640 135674940 4294956208 18446744073709551615 134543044 0 0 4096 0 0 0 0 17 1 0 0
/proc/27562/statm: 3665 3133 99 283 0 3379 0
Current children cumulated CPU time (s) 62.37
Current children cumulated vsize (KiB) 14660

Child status: 0
Real time (s): 62.4075
CPU time (s): 62.3855
CPU user time (s): 62.3635
CPU system time (s): 0.021996
CPU usage (%): 99.9647
Max. virtual memory (cumulated for all children) (KiB): 14660

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 62.3635
system time used= 0.021996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3161
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= 99

runsolver used 0.079987 second user time and 0.147977 second system time

The end

Launcher Data

Begin job on node80 at 2009-05-09 12:25:16
IDJOB=1784699
IDBENCH=24595
IDSOLVER=642
FILE ID=node80/1784699-1241864716
PBS_JOBID= 9264537
Free space on /tmp= 65860 MiB

SOLVER NAME= SApperloT base
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
COMMAND LINE= HOME/SApperloT-base -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1784699-1241864716/watcher-1784699-1241864716 -o /tmp/evaluation-result-1784699-1241864716/solver-1784699-1241864716 -C 5000 -W 6000 -M 1800 --output-limit 1,128  HOME/SApperloT-base -seed=1356120243 HOME/instance-1784699-1241864716.cnf

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 74af041eb51b172e799baf4bb7eaa52f
RANDOM SEED=1356120243

node80.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		: 3000.270
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		: 3000.270
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1832712 kB
Buffers:         31896 kB
Cached:         103648 kB
SwapCached:      25208 kB
Active:          71868 kB
Inactive:        90984 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1832712 kB
SwapTotal:     4192956 kB
SwapFree:      4162540 kB
Dirty:            2200 kB
Writeback:           0 kB
Mapped:          13456 kB
Slab:            46236 kB
Committed_AS:   745336 kB
PageTables:       1384 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= 65856 MiB
End job on node80 at 2009-05-09 12:26:19