Trace number 307946

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
tinisat 2007-02-08SAT 17.6933 17.7013

General information on the benchmark

Namerandom/2+p/p0.7/v3500/
unif2p-p0.7-v3500-c9345-S1671384215-01-SAT.cnf
MD5SUMb44330819e18ebafb103a47668b9fb76
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.829873
Satisfiable
(Un)Satisfiability was proved
Number of variables3499
Number of clauses9344
Sum of the clauses size25229
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 22803
Number of clauses of size 36541
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

0.00/0.01	c Tinisat 0.22
0.00/0.01	c solving /tmp/evaluation/307946-1172509804/instance-307946-1172509804.cnf
0.00/0.01	c 3500 variables, 9344 clauses
17.61/17.69	s SATISFIABLE
17.61/17.69	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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17.61/17.69	c 56861 decisions, 40609 conflicts, 30 restarts
17.61/17.69	c solved in 17.69s

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node13/watcher-307946-1172509804 -o ROOT/results/node13/solver-307946-1172509804 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/307946-1172509804/tinisat /tmp/evaluation/307946-1172509804/instance-307946-1172509804.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 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: 0.88 0.95 0.98 3/77 17745
/proc/meminfo: memFree=1750384/2055920 swapFree=4192812/4192956
[pid=17745] ppid=17743 vsize=848 CPUtime=0
/proc/17745/stat : 17745 (tinisat) R 17743 17745 16473 0 -1 4194304 106 0 0 0 0 0 0 0 18 0 1 0 270934851 868352 91 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134612771 0 0 4096 0 0 0 0 17 1 0 0
/proc/17745/statm: 212 92 48 110 0 99 0

[startup+0.10761 s]
/proc/loadavg: 0.88 0.95 0.98 3/77 17745
/proc/meminfo: memFree=1750384/2055920 swapFree=4192812/4192956
[pid=17745] ppid=17743 vsize=1956 CPUtime=0.1
/proc/17745/stat : 17745 (tinisat) R 17743 17745 16473 0 -1 4194304 368 0 0 0 10 0 0 0 18 0 1 0 270934851 2002944 352 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519943 0 0 4096 0 0 0 0 17 1 0 0
/proc/17745/statm: 489 352 52 110 0 376 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 1956

[startup+0.515664 s]
/proc/loadavg: 0.88 0.95 0.98 3/77 17745
/proc/meminfo: memFree=1750384/2055920 swapFree=4192812/4192956
[pid=17745] ppid=17743 vsize=2500 CPUtime=0.51
/proc/17745/stat : 17745 (tinisat) R 17743 17745 16473 0 -1 4194304 465 0 0 0 51 0 0 0 21 0 1 0 270934851 2560000 449 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519843 0 0 4096 0 0 0 0 17 1 0 0
/proc/17745/statm: 625 449 52 110 0 512 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 2500

[startup+1.33677 s]
/proc/loadavg: 0.88 0.95 0.98 2/78 17746
/proc/meminfo: memFree=1748200/2055920 swapFree=4192812/4192956
[pid=17745] ppid=17743 vsize=3584 CPUtime=1.33
/proc/17745/stat : 17745 (tinisat) R 17743 17745 16473 0 -1 4194304 638 0 0 0 133 0 0 0 25 0 1 0 270934851 3670016 622 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519932 0 0 4096 0 0 0 0 17 1 0 0
/proc/17745/statm: 896 622 52 110 0 783 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 3584

[startup+2.97899 s]
/proc/loadavg: 0.88 0.95 0.98 2/78 17746
/proc/meminfo: memFree=1747368/2055920 swapFree=4192812/4192956
[pid=17745] ppid=17743 vsize=5748 CPUtime=2.97
/proc/17745/stat : 17745 (tinisat) R 17743 17745 16473 0 -1 4194304 912 0 0 0 297 0 0 0 25 0 1 0 270934851 5885952 896 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519932 0 0 4096 0 0 0 0 17 1 0 0
/proc/17745/statm: 1437 896 52 110 0 1324 0
Current children cumulated CPU time (s) 2.97
Current children cumulated vsize (KiB) 5748

[startup+6.25543 s]
/proc/loadavg: 0.89 0.95 0.98 2/78 17746
/proc/meminfo: memFree=1745448/2055920 swapFree=4192812/4192956
[pid=17745] ppid=17743 vsize=6012 CPUtime=6.24
/proc/17745/stat : 17745 (tinisat) R 17743 17745 16473 0 -1 4194304 1340 0 0 0 624 0 0 0 25 0 1 0 270934851 6156288 1324 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519843 0 0 4096 0 0 0 0 17 1 0 0
/proc/17745/statm: 1503 1324 52 110 0 1390 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 6012

[startup+12.7123 s]
/proc/loadavg: 0.90 0.95 0.98 2/78 17746
/proc/meminfo: memFree=1742448/2055920 swapFree=4192812/4192956
[pid=17745] ppid=17743 vsize=10860 CPUtime=12.7
/proc/17745/stat : 17745 (tinisat) R 17743 17745 16473 0 -1 4194304 2054 0 0 0 1269 1 0 0 25 0 1 0 270934851 11120640 2005 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519968 0 0 4096 0 0 0 0 17 1 0 0
/proc/17745/statm: 2715 2005 52 110 0 2602 0
Current children cumulated CPU time (s) 12.7
Current children cumulated vsize (KiB) 10860

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

[startup+13.1203 s]
/proc/loadavg: 0.90 0.95 0.98 2/78 17746
/proc/meminfo: memFree=1742448/2055920 swapFree=4192812/4192956
[pid=17745] ppid=17743 vsize=10860 CPUtime=13.11
/proc/17745/stat : 17745 (tinisat) R 17743 17745 16473 0 -1 4194304 2102 0 0 0 1310 1 0 0 25 0 1 0 270934851 11120640 2053 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519964 0 0 4096 0 0 0 0 17 1 0 0
/proc/17745/statm: 2715 2053 52 110 0 2602 0
Current children cumulated CPU time (s) 13.11
Current children cumulated vsize (KiB) 10860

[startup+14.7606 s]
/proc/loadavg: 0.91 0.96 0.98 2/78 17746
/proc/meminfo: memFree=1741488/2055920 swapFree=4192812/4192956
[pid=17745] ppid=17743 vsize=10992 CPUtime=14.74
/proc/17745/stat : 17745 (tinisat) R 17743 17745 16473 0 -1 4194304 2283 0 0 0 1473 1 0 0 25 0 1 0 270934851 11255808 2234 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134517035 0 0 4096 0 0 0 0 17 1 0 0
/proc/17745/statm: 2748 2234 52 110 0 2635 0
Current children cumulated CPU time (s) 14.74
Current children cumulated vsize (KiB) 10992

[startup+16.3968 s]
/proc/loadavg: 0.91 0.96 0.98 2/78 17746
/proc/meminfo: memFree=1740976/2055920 swapFree=4192812/4192956
[pid=17745] ppid=17743 vsize=10992 CPUtime=16.38
/proc/17745/stat : 17745 (tinisat) R 17743 17745 16473 0 -1 4194304 2454 0 0 0 1637 1 0 0 25 0 1 0 270934851 11255808 2405 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519968 0 0 4096 0 0 0 0 17 1 0 0
/proc/17745/statm: 2748 2405 52 110 0 2635 0
Current children cumulated CPU time (s) 16.38
Current children cumulated vsize (KiB) 10992

[startup+17.2169 s]
/proc/loadavg: 0.91 0.96 0.98 2/78 17746
/proc/meminfo: memFree=1740528/2055920 swapFree=4192812/4192956
[pid=17745] ppid=17743 vsize=10992 CPUtime=17.21
/proc/17745/stat : 17745 (tinisat) R 17743 17745 16473 0 -1 4194304 2535 0 0 0 1719 2 0 0 25 0 1 0 270934851 11255808 2486 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519561 0 0 4096 0 0 0 0 17 1 0 0
/proc/17745/statm: 2748 2486 52 110 0 2635 0
Current children cumulated CPU time (s) 17.21
Current children cumulated vsize (KiB) 10992

[startup+17.6249 s]
/proc/loadavg: 0.91 0.96 0.98 2/78 17746
/proc/meminfo: memFree=1740528/2055920 swapFree=4192812/4192956
[pid=17745] ppid=17743 vsize=10992 CPUtime=17.61
/proc/17745/stat : 17745 (tinisat) R 17743 17745 16473 0 -1 4194304 2579 0 0 0 1759 2 0 0 25 0 1 0 270934851 11255808 2530 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134515528 0 0 4096 0 0 0 0 17 1 0 0
/proc/17745/statm: 2748 2530 52 110 0 2635 0
Current children cumulated CPU time (s) 17.61
Current children cumulated vsize (KiB) 10992

Child status: 10
Real time (s): 17.7013
CPU time (s): 17.6933
CPU user time (s): 17.6703
CPU system time (s): 0.022996
CPU usage (%): 99.9546
Max. virtual memory (cumulated for all children) (KiB): 10992

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 17.6703
system time used= 0.022996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2594
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= 11
involuntary context switches= 22

runsolver used 0.025996 second user time and 0.040993 second system time

The end

Launcher Data (download as text)

Begin job on node13 on Mon Feb 26 17:10:04 UTC 2007

IDJOB= 307946
IDBENCH= 20218
IDSOLVER= 100
FILE ID= node13/307946-1172509804

PBS_JOBID= 3971590

Free space on /tmp= 66556 MiB

SOLVER NAME= tinisat 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.7/v3500/unif2p-p0.7-v3500-c9345-S1671384215-01-SAT.cnf
COMMAND LINE= /tmp/evaluation/307946-1172509804/tinisat /tmp/evaluation/307946-1172509804/instance-307946-1172509804.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node13/watcher-307946-1172509804 -o ROOT/results/node13/solver-307946-1172509804 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/307946-1172509804/tinisat /tmp/evaluation/307946-1172509804/instance-307946-1172509804.cnf            

META MD5SUM SOLVER= 15788d06198cf45d0201cced774790cd
MD5SUM BENCH=  b44330819e18ebafb103a47668b9fb76

RANDOM SEED= 34203910

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node13.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		: 3000.236
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		: 3000.236
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:       1750856 kB
Buffers:         40104 kB
Cached:         147780 kB
SwapCached:          0 kB
Active:         203460 kB
Inactive:        39064 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1750856 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:             688 kB
Writeback:           0 kB
Mapped:          73592 kB
Slab:            48140 kB
Committed_AS:  1047908 kB
PageTables:       1744 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= 66556 MiB

End job on node13 on Mon Feb 26 17:10:22 UTC 2007