Trace number 1725615

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 72.105 72.1228

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
MD5SUM51245c7b8edb32c4dbd94daf982c00d7
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.72974
Satisfiable
(Un)Satisfiability was proved
Number of variables2435
Number of clauses16016
Sum of the clauses size112873
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2385
Number of clauses of size 32207
Number of clauses of size 4298
Number of clauses of size 5447
Number of clauses of size over 512644

Solver Data

72.08/72.12	
72.08/72.12	s SATISFIABLE
72.08/72.12	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-1725615-1240705760/watcher-1725615-1240705760 -o /tmp/evaluation-result-1725615-1240705760/solver-1725615-1240705760 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/SApperloT-base -seed=1596813334 HOME/instance-1725615-1240705760.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: 0.91 0.95 0.98 3/65 26416
/proc/meminfo: memFree=1832784/2055920 swapFree=4188716/4192956
[pid=26416] ppid=26414 vsize=1628 CPUtime=0
/proc/26416/stat : 26416 (SApperloT-base) R 26414 26416 25921 0 -1 4194304 187 0 0 0 0 0 0 0 18 0 1 0 98609691 1667072 171 1992294400 134512640 135674940 4294956192 18446744073709551615 135113206 0 0 4096 0 0 0 0 17 1 0 0
/proc/26416/statm: 407 171 91 283 0 121 0

[startup+0.041317 s]
/proc/loadavg: 0.91 0.95 0.98 3/65 26416
/proc/meminfo: memFree=1832784/2055920 swapFree=4188716/4192956
[pid=26416] ppid=26414 vsize=2684 CPUtime=0.03
/proc/26416/stat : 26416 (SApperloT-base) R 26414 26416 25921 0 -1 4194304 482 0 0 0 3 0 0 0 18 0 1 0 98609691 2748416 465 1992294400 134512640 135674940 4294956192 18446744073709551615 134561379 0 0 4096 0 0 0 0 17 1 0 0
/proc/26416/statm: 671 466 98 283 0 385 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 2684

[startup+0.101322 s]
/proc/loadavg: 0.91 0.95 0.98 3/65 26416
/proc/meminfo: memFree=1832784/2055920 swapFree=4188716/4192956
[pid=26416] ppid=26414 vsize=3080 CPUtime=0.09
/proc/26416/stat : 26416 (SApperloT-base) R 26414 26416 25921 0 -1 4194304 581 0 0 0 9 0 0 0 18 0 1 0 98609691 3153920 564 1992294400 134512640 135674940 4294956192 18446744073709551615 134556554 0 0 4096 0 0 0 0 17 1 0 0
/proc/26416/statm: 770 564 98 283 0 484 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3080

[startup+0.30134 s]
/proc/loadavg: 0.91 0.95 0.98 3/65 26416
/proc/meminfo: memFree=1832784/2055920 swapFree=4188716/4192956
[pid=26416] ppid=26414 vsize=4136 CPUtime=0.29
/proc/26416/stat : 26416 (SApperloT-base) R 26414 26416 25921 0 -1 4194304 834 0 0 0 29 0 0 0 20 0 1 0 98609691 4235264 817 1992294400 134512640 135674940 4294956192 18446744073709551615 134564854 0 0 4096 0 0 0 0 17 1 0 0
/proc/26416/statm: 1034 817 98 283 0 748 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4136

[startup+0.701377 s]
/proc/loadavg: 0.91 0.95 0.98 3/65 26416
/proc/meminfo: memFree=1832784/2055920 swapFree=4188716/4192956
[pid=26416] ppid=26414 vsize=4932 CPUtime=0.69
/proc/26416/stat : 26416 (SApperloT-base) R 26414 26416 25921 0 -1 4194304 1021 0 0 0 69 0 0 0 24 0 1 0 98609691 5050368 1004 1992294400 134512640 135674940 4294956192 18446744073709551615 134588160 0 0 4096 0 0 0 0 17 1 0 0
/proc/26416/statm: 1233 1004 98 283 0 947 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4932

[startup+1.50145 s]
/proc/loadavg: 0.92 0.95 0.98 2/66 26417
/proc/meminfo: memFree=1828744/2055920 swapFree=4188716/4192956
[pid=26416] ppid=26414 vsize=5736 CPUtime=1.49
/proc/26416/stat : 26416 (SApperloT-base) R 26414 26416 25921 0 -1 4194304 1243 0 0 0 149 0 0 0 25 0 1 0 98609691 5873664 1226 1992294400 134512640 135674940 4294956192 18446744073709551615 134565083 0 0 4096 0 0 0 0 17 1 0 0
/proc/26416/statm: 1434 1226 98 283 0 1148 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5736

[startup+3.1016 s]
/proc/loadavg: 0.92 0.95 0.98 2/66 26417
/proc/meminfo: memFree=1827976/2055920 swapFree=4188716/4192956
[pid=26416] ppid=26414 vsize=6276 CPUtime=3.09
/proc/26416/stat : 26416 (SApperloT-base) R 26414 26416 25921 0 -1 4194304 1378 0 0 0 309 0 0 0 25 0 1 0 98609691 6426624 1361 1992294400 134512640 135674940 4294956192 18446744073709551615 134564857 0 0 4096 0 0 0 0 17 1 0 0
/proc/26416/statm: 1569 1361 98 283 0 1283 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6276

[startup+6.30291 s]
/proc/loadavg: 0.93 0.95 0.98 2/66 26417
/proc/meminfo: memFree=1827080/2055920 swapFree=4188716/4192956
[pid=26416] ppid=26414 vsize=7224 CPUtime=6.29
/proc/26416/stat : 26416 (SApperloT-base) R 26414 26416 25921 0 -1 4194304 1570 0 0 0 628 1 0 0 25 0 1 0 98609691 7397376 1553 1992294400 134512640 135674940 4294956192 18446744073709551615 134564833 0 0 4096 0 0 0 0 17 1 0 0
/proc/26416/statm: 1806 1553 99 283 0 1520 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7224

[startup+12.7015 s]
/proc/loadavg: 0.93 0.96 0.98 2/66 26417
/proc/meminfo: memFree=1825800/2055920 swapFree=4188716/4192956
[pid=26416] ppid=26414 vsize=8224 CPUtime=12.69
/proc/26416/stat : 26416 (SApperloT-base) R 26414 26416 25921 0 -1 4194304 1819 0 0 0 1268 1 0 0 25 0 1 0 98609691 8421376 1802 1992294400 134512640 135674940 4294956192 18446744073709551615 134564824 0 0 4096 0 0 0 0 17 1 0 0
/proc/26416/statm: 2056 1802 99 283 0 1770 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 8224

[startup+25.5017 s]
/proc/loadavg: 0.95 0.96 0.98 2/66 26417
/proc/meminfo: memFree=1823880/2055920 swapFree=4188716/4192956
[pid=26416] ppid=26414 vsize=10292 CPUtime=25.49
/proc/26416/stat : 26416 (SApperloT-base) R 26414 26416 25921 0 -1 4194304 2253 0 0 0 2547 2 0 0 25 0 1 0 98609691 10539008 2236 1992294400 134512640 135674940 4294956192 18446744073709551615 134564244 0 0 4096 0 0 0 0 17 1 0 0
/proc/26416/statm: 2573 2236 99 283 0 2287 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 10292

[startup+51.1011 s]
/proc/loadavg: 0.96 0.96 0.98 2/66 26417
/proc/meminfo: memFree=1821768/2055920 swapFree=4188716/4192956
[pid=26416] ppid=26414 vsize=12732 CPUtime=51.08
/proc/26416/stat : 26416 (SApperloT-base) R 26414 26416 25921 0 -1 4194304 2780 0 0 0 5106 2 0 0 25 0 1 0 98609691 13037568 2763 1992294400 134512640 135674940 4294956192 18446744073709551615 134564711 0 0 4096 0 0 0 0 17 1 0 0
/proc/26416/statm: 3183 2763 99 283 0 2897 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 12732

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

[startup+63.9013 s]
/proc/loadavg: 0.97 0.96 0.98 2/66 26417
/proc/meminfo: memFree=1820808/2055920 swapFree=4188716/4192956
[pid=26416] ppid=26414 vsize=14076 CPUtime=63.87
/proc/26416/stat : 26416 (SApperloT-base) R 26414 26416 25921 0 -1 4194304 3022 0 0 0 6385 2 0 0 25 0 1 0 98609691 14413824 3005 1992294400 134512640 135674940 4294956192 18446744073709551615 134564824 0 0 4096 0 0 0 0 17 1 0 0
/proc/26416/statm: 3519 3005 99 283 0 3233 0
Current children cumulated CPU time (s) 63.87
Current children cumulated vsize (KiB) 14076

[startup+67.1056 s]
/proc/loadavg: 0.97 0.96 0.98 2/66 26417
/proc/meminfo: memFree=1820808/2055920 swapFree=4188716/4192956
[pid=26416] ppid=26414 vsize=14076 CPUtime=67.08
/proc/26416/stat : 26416 (SApperloT-base) R 26414 26416 25921 0 -1 4194304 3027 0 0 0 6705 3 0 0 25 0 1 0 98609691 14413824 3010 1992294400 134512640 135674940 4294956192 18446744073709551615 134564611 0 0 4096 0 0 0 0 17 1 0 0
/proc/26416/statm: 3519 3010 99 283 0 3233 0
Current children cumulated CPU time (s) 67.08
Current children cumulated vsize (KiB) 14076

[startup+70.3019 s]
/proc/loadavg: 0.97 0.96 0.98 2/66 26417
/proc/meminfo: memFree=1820744/2055920 swapFree=4188716/4192956
[pid=26416] ppid=26414 vsize=14076 CPUtime=70.28
/proc/26416/stat : 26416 (SApperloT-base) R 26414 26416 25921 0 -1 4194304 3030 0 0 0 7025 3 0 0 25 0 1 0 98609691 14413824 3013 1992294400 134512640 135674940 4294956192 18446744073709551615 134551965 0 0 4096 0 0 0 0 17 1 0 0
/proc/26416/statm: 3519 3013 99 283 0 3233 0
Current children cumulated CPU time (s) 70.28
Current children cumulated vsize (KiB) 14076

[startup+71.102 s]
/proc/loadavg: 0.97 0.96 0.98 2/66 26417
/proc/meminfo: memFree=1820744/2055920 swapFree=4188716/4192956
[pid=26416] ppid=26414 vsize=14076 CPUtime=71.08
/proc/26416/stat : 26416 (SApperloT-base) R 26414 26416 25921 0 -1 4194304 3035 0 0 0 7105 3 0 0 25 0 1 0 98609691 14413824 3018 1992294400 134512640 135674940 4294956192 18446744073709551615 134564854 0 0 4096 0 0 0 0 17 1 0 0
/proc/26416/statm: 3519 3018 99 283 0 3233 0
Current children cumulated CPU time (s) 71.08
Current children cumulated vsize (KiB) 14076

[startup+71.9011 s]
/proc/loadavg: 0.97 0.96 0.98 2/66 26417
/proc/meminfo: memFree=1820744/2055920 swapFree=4188716/4192956
[pid=26416] ppid=26414 vsize=14076 CPUtime=71.88
/proc/26416/stat : 26416 (SApperloT-base) R 26414 26416 25921 0 -1 4194304 3040 0 0 0 7185 3 0 0 25 0 1 0 98609691 14413824 3023 1992294400 134512640 135674940 4294956192 18446744073709551615 134564271 0 0 4096 0 0 0 0 17 1 0 0
/proc/26416/statm: 3519 3023 99 283 0 3233 0
Current children cumulated CPU time (s) 71.88
Current children cumulated vsize (KiB) 14076

[startup+72.1011 s]
/proc/loadavg: 0.97 0.96 0.98 2/66 26417
/proc/meminfo: memFree=1820744/2055920 swapFree=4188716/4192956
[pid=26416] ppid=26414 vsize=14076 CPUtime=72.08
/proc/26416/stat : 26416 (SApperloT-base) R 26414 26416 25921 0 -1 4194304 3040 0 0 0 7205 3 0 0 25 0 1 0 98609691 14413824 3023 1992294400 134512640 135674940 4294956192 18446744073709551615 134564250 0 0 4096 0 0 0 0 17 1 0 0
/proc/26416/statm: 3519 3023 99 283 0 3233 0
Current children cumulated CPU time (s) 72.08
Current children cumulated vsize (KiB) 14076

Child status: 0
Real time (s): 72.1228
CPU time (s): 72.105
CPU user time (s): 72.072
CPU system time (s): 0.032994
CPU usage (%): 99.9753
Max. virtual memory (cumulated for all children) (KiB): 14076

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 72.072
system time used= 0.032994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3051
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= 3
involuntary context switches= 176

runsolver used 0.090986 second user time and 0.154976 second system time

The end

Launcher Data

Begin job on node8 at 2009-04-26 02:29:20
IDJOB=1725615
IDBENCH=24594
IDSOLVER=509
FILE ID=node8/1725615-1240705760
PBS_JOBID= 9186756
Free space on /tmp= 65880 MiB

SOLVER NAME= SApperloT base
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
COMMAND LINE= HOME/SApperloT-base -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725615-1240705760/watcher-1725615-1240705760 -o /tmp/evaluation-result-1725615-1240705760/solver-1725615-1240705760 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/SApperloT-base -seed=1596813334 HOME/instance-1725615-1240705760.cnf

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

MD5SUM BENCH= 51245c7b8edb32c4dbd94daf982c00d7
RANDOM SEED=1596813334

node8.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		: 3000.238
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		: 3000.238
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:       1833200 kB
Buffers:         17756 kB
Cached:         142180 kB
SwapCached:       1768 kB
Active:          92552 kB
Inactive:        79912 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1833200 kB
SwapTotal:     4192956 kB
SwapFree:      4188716 kB
Dirty:            2060 kB
Writeback:           0 kB
Mapped:          21044 kB
Slab:            36072 kB
Committed_AS:   493840 kB
PageTables:       1372 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 65880 MiB
End job on node8 at 2009-04-26 02:30:32