Trace number 311103

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 20.038 20.0481

General information on the benchmark

Namerandom/2+p/p0.8/v1295/
unif2p-p0.8-v1295-c4027-S1476745538-08-SAT.cnf
MD5SUMc77e3fe2797ba24ba2baccdc1afa561c
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.028995
Satisfiable
(Un)Satisfiability was proved
Number of variables1294
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 Tinisat 0.22
0.00/0.00	c solving /tmp/evaluation/311103-1172564506/instance-311103-1172564506.cnf
0.00/0.00	c 1295 variables, 4026 clauses
19.96/20.04	s SATISFIABLE
19.96/20.04	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 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-1286 -1287 1288 -1289 1290 1291 1292 -1293 -1294 -1295 0
19.96/20.04	c 71644 decisions, 52211 conflicts, 44 restarts
19.96/20.04	c solved in 20.03s

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/node71/watcher-311103-1172564506 -o ROOT/results/node71/solver-311103-1172564506 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/311103-1172564506/tinisat /tmp/evaluation/311103-1172564506/instance-311103-1172564506.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: 0.92 0.98 0.93 3/64 22462
/proc/meminfo: memFree=1874472/2055920 swapFree=4182996/4192956
[pid=22462] ppid=22460 vsize=716 CPUtime=0
/proc/22462/stat : 22462 (tinisat) R 22460 22462 20721 0 -1 4194304 97 0 0 0 0 0 0 0 18 0 1 0 276408429 733184 82 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134725591 0 0 4096 0 0 0 0 17 1 0 0
/proc/22462/statm: 179 82 48 110 0 66 0

[startup+0.107372 s]
/proc/loadavg: 0.92 0.98 0.93 3/64 22462
/proc/meminfo: memFree=1874472/2055920 swapFree=4182996/4192956
[pid=22462] ppid=22460 vsize=1344 CPUtime=0.1
/proc/22462/stat : 22462 (tinisat) R 22460 22462 20721 0 -1 4194304 226 0 0 0 10 0 0 0 18 0 1 0 276408429 1376256 210 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134518568 0 0 4096 0 0 0 0 17 1 0 0
/proc/22462/statm: 336 210 52 110 0 223 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 1344

[startup+0.515459 s]
/proc/loadavg: 0.92 0.98 0.93 3/64 22462
/proc/meminfo: memFree=1874472/2055920 swapFree=4182996/4192956
[pid=22462] ppid=22460 vsize=1824 CPUtime=0.51
/proc/22462/stat : 22462 (tinisat) R 22460 22462 20721 0 -1 4194304 343 0 0 0 51 0 0 0 21 0 1 0 276408429 1867776 327 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134518568 0 0 4096 0 0 0 0 17 1 0 0
/proc/22462/statm: 456 327 52 110 0 343 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 1824

[startup+1.33564 s]
/proc/loadavg: 0.92 0.98 0.93 2/65 22463
/proc/meminfo: memFree=1872736/2055920 swapFree=4182996/4192956
[pid=22462] ppid=22460 vsize=3060 CPUtime=1.33
/proc/22462/stat : 22462 (tinisat) R 22460 22462 20721 0 -1 4194304 560 0 0 0 133 0 0 0 25 0 1 0 276408429 3133440 544 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134515539 0 0 4096 0 0 0 0 17 1 0 0
/proc/22462/statm: 765 544 52 110 0 652 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 3060

[startup+2.97299 s]
/proc/loadavg: 0.92 0.98 0.93 2/65 22463
/proc/meminfo: memFree=1871648/2055920 swapFree=4182996/4192956
[pid=22462] ppid=22460 vsize=5240 CPUtime=2.96
/proc/22462/stat : 22462 (tinisat) R 22460 22462 20721 0 -1 4194304 866 0 0 0 296 0 0 0 25 0 1 0 276408429 5365760 850 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134520011 0 0 4096 0 0 0 0 17 1 0 0
/proc/22462/statm: 1310 850 52 110 0 1197 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 5240

[startup+6.2497 s]
/proc/loadavg: 0.93 0.98 0.93 2/65 22463
/proc/meminfo: memFree=1869864/2055920 swapFree=4182996/4192956
[pid=22462] ppid=22460 vsize=5504 CPUtime=6.23
/proc/22462/stat : 22462 (tinisat) R 22460 22462 20721 0 -1 4194304 1241 0 0 0 623 0 0 0 25 0 1 0 276408429 5636096 1225 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519843 0 0 4096 0 0 0 0 17 1 0 0
/proc/22462/statm: 1376 1225 52 110 0 1263 0
Current children cumulated CPU time (s) 6.23
Current children cumulated vsize (KiB) 5504

[startup+12.7061 s]
/proc/loadavg: 0.93 0.98 0.93 2/65 22463
/proc/meminfo: memFree=1867240/2055920 swapFree=4182996/4192956
[pid=22462] ppid=22460 vsize=9860 CPUtime=12.69
/proc/22462/stat : 22462 (tinisat) R 22460 22462 20721 0 -1 4194304 1870 0 0 0 1268 1 0 0 25 0 1 0 276408429 10096640 1821 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134520078 0 0 4096 0 0 0 0 17 1 0 0
/proc/22462/statm: 2465 1821 52 110 0 2352 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 9860

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

[startup+13.1142 s]
/proc/loadavg: 0.93 0.98 0.93 2/65 22463
/proc/meminfo: memFree=1867240/2055920 swapFree=4182996/4192956
[pid=22462] ppid=22460 vsize=9860 CPUtime=13.1
/proc/22462/stat : 22462 (tinisat) R 22460 22462 20721 0 -1 4194304 1901 0 0 0 1309 1 0 0 25 0 1 0 276408429 10096640 1852 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519921 0 0 4096 0 0 0 0 17 1 0 0
/proc/22462/statm: 2465 1852 52 110 0 2352 0
Current children cumulated CPU time (s) 13.1
Current children cumulated vsize (KiB) 9860

[startup+16.3909 s]
/proc/loadavg: 0.94 0.98 0.93 2/65 22463
/proc/meminfo: memFree=1866408/2055920 swapFree=4182996/4192956
[pid=22462] ppid=22460 vsize=9992 CPUtime=16.38
/proc/22462/stat : 22462 (tinisat) R 22460 22462 20721 0 -1 4194304 2097 0 0 0 1636 2 0 0 25 0 1 0 276408429 10231808 2048 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134518568 0 0 4096 0 0 0 0 17 1 0 0
/proc/22462/statm: 2498 2048 52 110 0 2385 0
Current children cumulated CPU time (s) 16.38
Current children cumulated vsize (KiB) 9992

[startup+18.0293 s]
/proc/loadavg: 0.94 0.98 0.93 2/65 22463
/proc/meminfo: memFree=1865896/2055920 swapFree=4182996/4192956
[pid=22462] ppid=22460 vsize=10124 CPUtime=18.02
/proc/22462/stat : 22462 (tinisat) R 22460 22462 20721 0 -1 4194304 2188 0 0 0 1800 2 0 0 25 0 1 0 276408429 10366976 2139 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519843 0 0 4096 0 0 0 0 17 1 0 0
/proc/22462/statm: 2531 2139 52 110 0 2418 0
Current children cumulated CPU time (s) 18.02
Current children cumulated vsize (KiB) 10124

[startup+18.8484 s]
/proc/loadavg: 0.94 0.98 0.93 2/65 22463
/proc/meminfo: memFree=1865896/2055920 swapFree=4182996/4192956
[pid=22462] ppid=22460 vsize=10124 CPUtime=18.83
/proc/22462/stat : 22462 (tinisat) R 22460 22462 20721 0 -1 4194304 2235 0 0 0 1881 2 0 0 25 0 1 0 276408429 10366976 2186 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519912 0 0 4096 0 0 0 0 17 1 0 0
/proc/22462/statm: 2531 2186 52 110 0 2418 0
Current children cumulated CPU time (s) 18.83
Current children cumulated vsize (KiB) 10124

[startup+19.6686 s]
/proc/loadavg: 0.94 0.98 0.93 2/65 22463
/proc/meminfo: memFree=1865640/2055920 swapFree=4182996/4192956
[pid=22462] ppid=22460 vsize=10124 CPUtime=19.65
/proc/22462/stat : 22462 (tinisat) R 22460 22462 20721 0 -1 4194304 2278 0 0 0 1963 2 0 0 25 0 1 0 276408429 10366976 2229 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134520063 0 0 4096 0 0 0 0 17 1 0 0
/proc/22462/statm: 2531 2229 52 110 0 2418 0
Current children cumulated CPU time (s) 19.65
Current children cumulated vsize (KiB) 10124

[startup+19.8727 s]
/proc/loadavg: 0.94 0.98 0.93 2/65 22463
/proc/meminfo: memFree=1865640/2055920 swapFree=4182996/4192956
[pid=22462] ppid=22460 vsize=10256 CPUtime=19.86
/proc/22462/stat : 22462 (tinisat) R 22460 22462 20721 0 -1 4194304 2295 0 0 0 1984 2 0 0 25 0 1 0 276408429 10502144 2246 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519921 0 0 4096 0 0 0 0 17 1 0 0
/proc/22462/statm: 2564 2246 52 110 0 2451 0
Current children cumulated CPU time (s) 19.86
Current children cumulated vsize (KiB) 10256

[startup+19.9747 s]
/proc/loadavg: 0.94 0.98 0.93 2/65 22463
/proc/meminfo: memFree=1865640/2055920 swapFree=4182996/4192956
[pid=22462] ppid=22460 vsize=10256 CPUtime=19.96
/proc/22462/stat : 22462 (tinisat) R 22460 22462 20721 0 -1 4194304 2301 0 0 0 1994 2 0 0 25 0 1 0 276408429 10502144 2252 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519843 0 0 4096 0 0 0 0 17 1 0 0
/proc/22462/statm: 2564 2252 52 110 0 2451 0
Current children cumulated CPU time (s) 19.96
Current children cumulated vsize (KiB) 10256

Child status: 10
Real time (s): 20.0481
CPU time (s): 20.038
CPU user time (s): 20.013
CPU system time (s): 0.024996
CPU usage (%): 99.9493
Max. virtual memory (cumulated for all children) (KiB): 10256

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 20.013
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= 2312
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= 9
involuntary context switches= 39

runsolver used 0.015997 second user time and 0.042993 second system time

The end

Launcher Data (download as text)

Begin job on node71 on Tue Feb 27 08:21:46 UTC 2007

IDJOB= 311103
IDBENCH= 20305
IDSOLVER= 100
FILE ID= node71/311103-1172564506

PBS_JOBID= 3971857

Free space on /tmp= 66557 MiB

SOLVER NAME= tinisat 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1295/unif2p-p0.8-v1295-c4027-S1476745538-08-SAT.cnf
COMMAND LINE= /tmp/evaluation/311103-1172564506/tinisat /tmp/evaluation/311103-1172564506/instance-311103-1172564506.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node71/watcher-311103-1172564506 -o ROOT/results/node71/solver-311103-1172564506 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/311103-1172564506/tinisat /tmp/evaluation/311103-1172564506/instance-311103-1172564506.cnf            

META MD5SUM SOLVER= 15788d06198cf45d0201cced774790cd
MD5SUM BENCH=  c77e3fe2797ba24ba2baccdc1afa561c

RANDOM SEED= 523532379

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node71.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		: 3000.266
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		: 3000.266
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:       1874880 kB
Buffers:         26488 kB
Cached:         107968 kB
SwapCached:       3788 kB
Active:          65976 kB
Inactive:        77992 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1874880 kB
SwapTotal:     4192956 kB
SwapFree:      4182996 kB
Dirty:             580 kB
Writeback:           0 kB
Mapped:          15328 kB
Slab:            23016 kB
Committed_AS:   774032 kB
PageTables:       1448 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= 66557 MiB

End job on node71 on Tue Feb 27 08:22:07 UTC 2007