Trace number 333033

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
Hybrid1 2007-02-08SAT 41.8856 41.8988

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 benchmark2.92055
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 (download as text)

41.79/41.89	c try 1 flip j 6001245
41.79/41.89	c A solution is found
41.79/41.89	s SATISFIABLE
41.79/41.89	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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41.79/41.89	v 0 
41.79/41.89	c Done (mycputime is 0.004 seconds)

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.1 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node5/watcher-333033-1173500288 -o ROOT/results/node5/solver-333033-1173500288 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/333033-1173500288/Hybrid1 /tmp/evaluation/333033-1173500288/instance-333033-1173500288.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: 0.91 0.95 0.96 3/77 14950
/proc/meminfo: memFree=1703008/2055920 swapFree=4170416/4192956
[pid=14950] ppid=14948 vsize=244720 CPUtime=0
/proc/14950/stat : 14950 (Hybrid1) R 14948 14950 13316 0 -1 4194304 91 0 0 0 0 0 0 0 18 0 1 0 369983590 250593280 75 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134588695 0 0 4096 0 0 0 0 17 1 0 0
/proc/14950/statm: 61180 75 39 103 0 60684 0

[startup+0.0105381 s]
/proc/loadavg: 0.91 0.95 0.96 3/77 14950
/proc/meminfo: memFree=1703008/2055920 swapFree=4170416/4192956
[pid=14950] ppid=14948 vsize=244720 CPUtime=0
/proc/14950/stat : 14950 (Hybrid1) R 14948 14950 13316 0 -1 4194304 115 0 0 0 0 0 0 0 18 0 1 0 369983590 250593280 99 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134604589 0 0 4096 0 0 0 0 17 1 0 0
/proc/14950/statm: 61180 99 39 103 0 60684 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 244720

[startup+0.101547 s]
/proc/loadavg: 0.91 0.95 0.96 3/77 14950
/proc/meminfo: memFree=1703008/2055920 swapFree=4170416/4192956
[pid=14950] ppid=14948 vsize=246696 CPUtime=0.09
/proc/14950/stat : 14950 (Hybrid1) R 14948 14950 13316 0 -1 4194304 680 0 0 0 9 0 0 0 18 0 1 0 369983590 252616704 662 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134523337 0 0 4096 0 0 0 0 17 1 0 0
/proc/14950/statm: 61674 662 40 103 0 61178 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 246696

[startup+0.301569 s]
/proc/loadavg: 0.91 0.95 0.96 3/77 14950
/proc/meminfo: memFree=1703008/2055920 swapFree=4170416/4192956
[pid=14950] ppid=14948 vsize=246696 CPUtime=0.29
/proc/14950/stat : 14950 (Hybrid1) R 14948 14950 13316 0 -1 4194304 680 0 0 0 29 0 0 0 19 0 1 0 369983590 252616704 662 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134523734 0 0 4096 0 0 0 0 17 1 0 0
/proc/14950/statm: 61674 662 40 103 0 61178 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 246696

[startup+0.701615 s]
/proc/loadavg: 0.91 0.95 0.96 3/77 14950
/proc/meminfo: memFree=1703008/2055920 swapFree=4170416/4192956
[pid=14950] ppid=14948 vsize=246696 CPUtime=0.69
/proc/14950/stat : 14950 (Hybrid1) R 14948 14950 13316 0 -1 4194304 680 0 0 0 69 0 0 0 23 0 1 0 369983590 252616704 662 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134523456 0 0 4096 0 0 0 0 17 1 0 0
/proc/14950/statm: 61674 662 40 103 0 61178 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 246696

[startup+1.50171 s]
/proc/loadavg: 0.91 0.95 0.96 2/78 14951
/proc/meminfo: memFree=1700440/2055920 swapFree=4170416/4192956
[pid=14950] ppid=14948 vsize=248792 CPUtime=1.49
/proc/14950/stat : 14950 (Hybrid1) R 14948 14950 13316 0 -1 4194304 983 0 0 0 148 1 0 0 25 0 1 0 369983590 254763008 963 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134553444 0 0 4096 0 0 0 0 17 1 0 0
/proc/14950/statm: 62198 963 44 103 0 61702 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 248792

[startup+3.10189 s]
/proc/loadavg: 0.91 0.95 0.96 2/78 14951
/proc/meminfo: memFree=1698968/2055920 swapFree=4170416/4192956
[pid=14950] ppid=14948 vsize=248792 CPUtime=3.09
/proc/14950/stat : 14950 (Hybrid1) R 14948 14950 13316 0 -1 4194304 983 0 0 0 308 1 0 0 25 0 1 0 369983590 254763008 963 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134551597 0 0 4096 0 0 0 0 17 1 0 0
/proc/14950/statm: 62198 963 44 103 0 61702 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 248792

[startup+6.30125 s]
/proc/loadavg: 0.92 0.95 0.96 2/78 14951
/proc/meminfo: memFree=1698776/2055920 swapFree=4170416/4192956
[pid=14950] ppid=14948 vsize=248792 CPUtime=6.29
/proc/14950/stat : 14950 (Hybrid1) R 14948 14950 13316 0 -1 4194304 983 0 0 0 628 1 0 0 25 0 1 0 369983590 254763008 963 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134551597 0 0 4096 0 0 0 0 17 1 0 0
/proc/14950/statm: 62198 963 44 103 0 61702 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 248792

[startup+12.702 s]
/proc/loadavg: 0.93 0.95 0.96 2/78 14951
/proc/meminfo: memFree=1698840/2055920 swapFree=4170416/4192956
[pid=14950] ppid=14948 vsize=248792 CPUtime=12.69
/proc/14950/stat : 14950 (Hybrid1) R 14948 14950 13316 0 -1 4194304 983 0 0 0 1268 1 0 0 25 0 1 0 369983590 254763008 963 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134552465 0 0 4096 0 0 0 0 17 1 0 0
/proc/14950/statm: 62198 963 44 103 0 61702 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 248792

[startup+25.5014 s]
/proc/loadavg: 0.94 0.96 0.96 2/78 14951
/proc/meminfo: memFree=1698904/2055920 swapFree=4170416/4192956
[pid=14950] ppid=14948 vsize=248792 CPUtime=25.49
/proc/14950/stat : 14950 (Hybrid1) R 14948 14950 13316 0 -1 4194304 983 0 0 0 2548 1 0 0 25 0 1 0 369983590 254763008 963 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134551597 0 0 4096 0 0 0 0 17 1 0 0
/proc/14950/statm: 62198 963 44 103 0 61702 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 248792

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

[startup+31.9051 s]
/proc/loadavg: 0.95 0.96 0.96 2/78 14951
/proc/meminfo: memFree=1698904/2055920 swapFree=4170416/4192956
[pid=14950] ppid=14948 vsize=248792 CPUtime=31.89
/proc/14950/stat : 14950 (Hybrid1) R 14948 14950 13316 0 -1 4194304 983 0 0 0 3188 1 0 0 25 0 1 0 369983590 254763008 963 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134552622 0 0 4096 0 0 0 0 17 1 0 0
/proc/14950/statm: 62198 963 44 103 0 61702 0
Current children cumulated CPU time (s) 31.89
Current children cumulated vsize (KiB) 248792

[startup+38.3019 s]
/proc/loadavg: 0.95 0.96 0.96 2/78 14951
/proc/meminfo: memFree=1698904/2055920 swapFree=4170416/4192956
[pid=14950] ppid=14948 vsize=248792 CPUtime=38.28
/proc/14950/stat : 14950 (Hybrid1) R 14948 14950 13316 0 -1 4194304 983 0 0 0 3827 1 0 0 25 0 1 0 369983590 254763008 963 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134544687 0 0 4096 0 0 0 0 17 1 0 0
/proc/14950/statm: 62198 963 44 103 0 61702 0
Current children cumulated CPU time (s) 38.28
Current children cumulated vsize (KiB) 248792

[startup+39.901 s]
/proc/loadavg: 0.95 0.96 0.96 2/78 14951
/proc/meminfo: memFree=1698904/2055920 swapFree=4170416/4192956
[pid=14950] ppid=14948 vsize=248792 CPUtime=39.88
/proc/14950/stat : 14950 (Hybrid1) R 14948 14950 13316 0 -1 4194304 983 0 0 0 3987 1 0 0 25 0 1 0 369983590 254763008 963 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134545028 0 0 4096 0 0 0 0 17 1 0 0
/proc/14950/statm: 62198 963 44 103 0 61702 0
Current children cumulated CPU time (s) 39.88
Current children cumulated vsize (KiB) 248792

[startup+40.7051 s]
/proc/loadavg: 0.95 0.96 0.96 2/78 14951
/proc/meminfo: memFree=1698904/2055920 swapFree=4170416/4192956
[pid=14950] ppid=14948 vsize=248792 CPUtime=40.69
/proc/14950/stat : 14950 (Hybrid1) R 14948 14950 13316 0 -1 4194304 983 0 0 0 4068 1 0 0 25 0 1 0 369983590 254763008 963 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134553118 0 0 4096 0 0 0 0 17 1 0 0
/proc/14950/statm: 62198 963 44 103 0 61702 0
Current children cumulated CPU time (s) 40.69
Current children cumulated vsize (KiB) 248792

[startup+41.5012 s]
/proc/loadavg: 0.95 0.96 0.96 2/78 14951
/proc/meminfo: memFree=1698904/2055920 swapFree=4170416/4192956
[pid=14950] ppid=14948 vsize=248792 CPUtime=41.48
/proc/14950/stat : 14950 (Hybrid1) R 14948 14950 13316 0 -1 4194304 983 0 0 0 4147 1 0 0 25 0 1 0 369983590 254763008 963 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134551608 0 0 4096 0 0 0 0 17 1 0 0
/proc/14950/statm: 62198 963 44 103 0 61702 0
Current children cumulated CPU time (s) 41.48
Current children cumulated vsize (KiB) 248792

[startup+41.7013 s]
/proc/loadavg: 0.95 0.96 0.96 2/78 14951
/proc/meminfo: memFree=1698904/2055920 swapFree=4170416/4192956
[pid=14950] ppid=14948 vsize=248792 CPUtime=41.69
/proc/14950/stat : 14950 (Hybrid1) R 14948 14950 13316 0 -1 4194304 983 0 0 0 4168 1 0 0 25 0 1 0 369983590 254763008 963 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134551597 0 0 4096 0 0 0 0 17 1 0 0
/proc/14950/statm: 62198 963 44 103 0 61702 0
Current children cumulated CPU time (s) 41.69
Current children cumulated vsize (KiB) 248792

[startup+41.8053 s]
/proc/loadavg: 0.95 0.96 0.96 2/78 14951
/proc/meminfo: memFree=1698904/2055920 swapFree=4170416/4192956
[pid=14950] ppid=14948 vsize=248792 CPUtime=41.79
/proc/14950/stat : 14950 (Hybrid1) R 14948 14950 13316 0 -1 4194304 983 0 0 0 4178 1 0 0 25 0 1 0 369983590 254763008 963 18446744073709551615 134512640 134935932 4294956704 18446744073709551615 134552545 0 0 4096 0 0 0 0 17 1 0 0
/proc/14950/statm: 62198 963 44 103 0 61702 0
Current children cumulated CPU time (s) 41.79
Current children cumulated vsize (KiB) 248792

Child status: 10
Real time (s): 41.8988
CPU time (s): 41.8856
CPU user time (s): 41.8726
CPU system time (s): 0.012998
CPU usage (%): 99.9686
Max. virtual memory (cumulated for all children) (KiB): 248792

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 41.8726
system time used= 0.012998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 996
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= 10
involuntary context switches= 859

runsolver used 0.051992 second user time and 0.106983 second system time

The end

Launcher Data (download as text)

Begin job on node5 on Sat Mar 10 04:18:08 UTC 2007

IDJOB= 333033
IDBENCH= 24594
IDSOLVER= 115
FILE ID= node5/333033-1173500288

PBS_JOBID= 4101095

Free space on /tmp= 66377 MiB

SOLVER NAME= Hybrid1 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/others/QG7a-gensys-brn004.sat05-3669.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/333033-1173500288/Hybrid1 /tmp/evaluation/333033-1173500288/instance-333033-1173500288.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node5/watcher-333033-1173500288 -o ROOT/results/node5/solver-333033-1173500288 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/333033-1173500288/Hybrid1 /tmp/evaluation/333033-1173500288/instance-333033-1173500288.cnf            

META MD5SUM SOLVER= 4ad8950502569bcbd9dc3ae819b6eefe
MD5SUM BENCH=  51245c7b8edb32c4dbd94daf982c00d7

RANDOM SEED= 252400402

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node5.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		: 3000.224
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		: 3000.224
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:       1703416 kB
Buffers:         39644 kB
Cached:         235900 kB
SwapCached:       2372 kB
Active:         144864 kB
Inactive:       155044 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1703416 kB
SwapTotal:     4192956 kB
SwapFree:      4170416 kB
Dirty:            6704 kB
Writeback:           0 kB
Mapped:          32064 kB
Slab:            38192 kB
Committed_AS:  1215652 kB
PageTables:       1692 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= 66377 MiB

End job on node5 on Sat Mar 10 04:18:50 UTC 2007