Trace number 310775

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 39.649 39.66

General information on the benchmark

Namerandom/2+p/p0.8/v1295/
unif2p-p0.8-v1295-c4027-S1665384822-14-SAT.cnf
MD5SUMbe7dc6f6bf5d0d6359adfd321a4b6af2
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.036993
Satisfiable
(Un)Satisfiability was proved
Number of variables1295
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/310775-1172561852/instance-310775-1172561852.cnf
0.00/0.00	c 1295 variables, 4026 clauses
39.63/39.65	s SATISFIABLE
39.63/39.65	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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1289 -1290 1291 -1292 1293 -1294 -1295 0
39.63/39.65	c 105514 decisions, 77326 conflicts, 61 restarts
39.63/39.65	c solved in 39.65s

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/node75/watcher-310775-1172561852 -o ROOT/results/node75/solver-310775-1172561852 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/310775-1172561852/tinisat /tmp/evaluation/310775-1172561852/instance-310775-1172561852.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: 1.39 1.23 1.09 3/64 17318
/proc/meminfo: memFree=1817096/2055920 swapFree=4183048/4192956
[pid=17318] ppid=17316 vsize=716 CPUtime=0
/proc/17318/stat : 17318 (tinisat) R 17316 17318 16454 0 -1 4194304 98 0 0 0 0 0 0 0 20 0 1 0 276151081 733184 83 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134629133 0 0 4096 0 0 0 0 17 1 0 0
/proc/17318/statm: 179 84 48 110 0 66 0

[startup+0.107608 s]
/proc/loadavg: 1.39 1.23 1.09 3/64 17318
/proc/meminfo: memFree=1817096/2055920 swapFree=4183048/4192956
[pid=17318] ppid=17316 vsize=1344 CPUtime=0.1
/proc/17318/stat : 17318 (tinisat) R 17316 17318 16454 0 -1 4194304 230 0 0 0 10 0 0 0 21 0 1 0 276151081 1376256 214 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519905 0 0 4096 0 0 0 0 17 1 0 0
/proc/17318/statm: 336 214 52 110 0 223 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 1344

[startup+0.515656 s]
/proc/loadavg: 1.39 1.23 1.09 3/64 17318
/proc/meminfo: memFree=1817096/2055920 swapFree=4183048/4192956
[pid=17318] ppid=17316 vsize=1824 CPUtime=0.51
/proc/17318/stat : 17318 (tinisat) R 17316 17318 16454 0 -1 4194304 360 0 0 0 51 0 0 0 25 0 1 0 276151081 1867776 344 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134518765 0 0 4096 0 0 0 0 17 1 0 0
/proc/17318/statm: 456 344 52 110 0 343 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 1824

[startup+1.33575 s]
/proc/loadavg: 1.39 1.23 1.09 2/65 17319
/proc/meminfo: memFree=1815232/2055920 swapFree=4183048/4192956
[pid=17318] ppid=17316 vsize=3048 CPUtime=1.32
/proc/17318/stat : 17318 (tinisat) R 17316 17318 16454 0 -1 4194304 588 0 0 0 132 0 0 0 25 0 1 0 276151081 3121152 572 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134518568 0 0 4096 0 0 0 0 17 1 0 0
/proc/17318/statm: 762 572 52 110 0 649 0
Current children cumulated CPU time (s) 1.32
Current children cumulated vsize (KiB) 3048

[startup+2.97695 s]
/proc/loadavg: 1.39 1.23 1.09 2/65 17319
/proc/meminfo: memFree=1814080/2055920 swapFree=4183048/4192956
[pid=17318] ppid=17316 vsize=5228 CPUtime=2.96
/proc/17318/stat : 17318 (tinisat) R 17316 17318 16454 0 -1 4194304 925 0 0 0 296 0 0 0 25 0 1 0 276151081 5353472 909 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519843 0 0 4096 0 0 0 0 17 1 0 0
/proc/17318/statm: 1307 909 52 110 0 1194 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 5228

[startup+6.25333 s]
/proc/loadavg: 1.36 1.23 1.09 2/65 17319
/proc/meminfo: memFree=1812096/2055920 swapFree=4183048/4192956
[pid=17318] ppid=17316 vsize=9320 CPUtime=6.24
/proc/17318/stat : 17318 (tinisat) R 17316 17318 16454 0 -1 4194304 1342 0 0 0 623 1 0 0 25 0 1 0 276151081 9543680 1326 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519843 0 0 4096 0 0 0 0 17 1 0 0
/proc/17318/statm: 2330 1326 52 110 0 2217 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 9320

[startup+12.7091 s]
/proc/loadavg: 1.33 1.22 1.09 2/65 17319
/proc/meminfo: memFree=1809408/2055920 swapFree=4183048/4192956
[pid=17318] ppid=17316 vsize=9980 CPUtime=12.7
/proc/17318/stat : 17318 (tinisat) R 17316 17318 16454 0 -1 4194304 2007 0 0 0 1268 2 0 0 25 0 1 0 276151081 10219520 1958 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134520029 0 0 4096 0 0 0 0 17 1 0 0
/proc/17318/statm: 2495 1958 52 110 0 2382 0
Current children cumulated CPU time (s) 12.7
Current children cumulated vsize (KiB) 9980

[startup+25.5096 s]
/proc/loadavg: 1.26 1.21 1.08 2/65 17319
/proc/meminfo: memFree=1806528/2055920 swapFree=4183048/4192956
[pid=17318] ppid=17316 vsize=18168 CPUtime=25.49
/proc/17318/stat : 17318 (tinisat) R 17316 17318 16454 0 -1 4194304 2747 0 0 0 2547 2 0 0 25 0 1 0 276151081 18604032 2698 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519858 0 0 4096 0 0 0 0 17 1 0 0
/proc/17318/statm: 4542 2698 52 110 0 4429 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 18168

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

[startup+26.2287 s]
/proc/loadavg: 1.26 1.21 1.08 2/65 17319
/proc/meminfo: memFree=1806272/2055920 swapFree=4183048/4192956
[pid=17318] ppid=17316 vsize=18168 CPUtime=26.21
/proc/17318/stat : 17318 (tinisat) R 17316 17318 16454 0 -1 4194304 2781 0 0 0 2619 2 0 0 25 0 1 0 276151081 18604032 2732 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519567 0 0 4096 0 0 0 0 17 1 0 0
/proc/17318/statm: 4542 2732 52 110 0 4429 0
Current children cumulated CPU time (s) 26.21
Current children cumulated vsize (KiB) 18168

[startup+32.7875 s]
/proc/loadavg: 1.23 1.21 1.08 2/65 17319
/proc/meminfo: memFree=1805056/2055920 swapFree=4183048/4192956
[pid=17318] ppid=17316 vsize=18560 CPUtime=32.77
/proc/17318/stat : 17318 (tinisat) R 17316 17318 16454 0 -1 4194304 3152 0 0 0 3274 3 0 0 25 0 1 0 276151081 19005440 3038 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519843 0 0 4096 0 0 0 0 17 1 0 0
/proc/17318/statm: 4640 3038 52 110 0 4527 0
Current children cumulated CPU time (s) 32.77
Current children cumulated vsize (KiB) 18560

[startup+36.0649 s]
/proc/loadavg: 1.22 1.20 1.08 2/65 17319
/proc/meminfo: memFree=1804416/2055920 swapFree=4183048/4192956
[pid=17318] ppid=17316 vsize=18692 CPUtime=36.05
/proc/17318/stat : 17318 (tinisat) R 17316 17318 16454 0 -1 4194304 3299 0 0 0 3602 3 0 0 25 0 1 0 276151081 19140608 3185 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134520134 0 0 4096 0 0 0 0 17 1 0 0
/proc/17318/statm: 4673 3185 52 110 0 4560 0
Current children cumulated CPU time (s) 36.05
Current children cumulated vsize (KiB) 18692

[startup+37.7051 s]
/proc/loadavg: 1.22 1.20 1.08 2/65 17319
/proc/meminfo: memFree=1804224/2055920 swapFree=4183048/4192956
[pid=17318] ppid=17316 vsize=18692 CPUtime=37.69
/proc/17318/stat : 17318 (tinisat) R 17316 17318 16454 0 -1 4194304 3380 0 0 0 3766 3 0 0 25 0 1 0 276151081 19140608 3266 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519843 0 0 4096 0 0 0 0 17 1 0 0
/proc/17318/statm: 4673 3266 52 110 0 4560 0
Current children cumulated CPU time (s) 37.69
Current children cumulated vsize (KiB) 18692

[startup+38.5252 s]
/proc/loadavg: 1.20 1.20 1.08 2/65 17319
/proc/meminfo: memFree=1803968/2055920 swapFree=4183048/4192956
[pid=17318] ppid=17316 vsize=18692 CPUtime=38.51
/proc/17318/stat : 17318 (tinisat) R 17316 17318 16454 0 -1 4194304 3414 0 0 0 3848 3 0 0 25 0 1 0 276151081 19140608 3300 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519992 0 0 4096 0 0 0 0 17 1 0 0
/proc/17318/statm: 4673 3300 52 110 0 4560 0
Current children cumulated CPU time (s) 38.51
Current children cumulated vsize (KiB) 18692

[startup+39.3413 s]
/proc/loadavg: 1.20 1.20 1.08 2/65 17319
/proc/meminfo: memFree=1803968/2055920 swapFree=4183048/4192956
[pid=17318] ppid=17316 vsize=18692 CPUtime=39.32
/proc/17318/stat : 17318 (tinisat) R 17316 17318 16454 0 -1 4194304 3458 0 0 0 3929 3 0 0 25 0 1 0 276151081 19140608 3344 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519843 0 0 4096 0 0 0 0 17 1 0 0
/proc/17318/statm: 4673 3344 52 110 0 4560 0
Current children cumulated CPU time (s) 39.32
Current children cumulated vsize (KiB) 18692

[startup+39.5493 s]
/proc/loadavg: 1.20 1.20 1.08 2/65 17319
/proc/meminfo: memFree=1803776/2055920 swapFree=4183048/4192956
[pid=17318] ppid=17316 vsize=18692 CPUtime=39.53
/proc/17318/stat : 17318 (tinisat) R 17316 17318 16454 0 -1 4194304 3467 0 0 0 3950 3 0 0 25 0 1 0 276151081 19140608 3353 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519843 0 0 4096 0 0 0 0 17 1 0 0
/proc/17318/statm: 4673 3353 52 110 0 4560 0
Current children cumulated CPU time (s) 39.53
Current children cumulated vsize (KiB) 18692

[startup+39.6513 s]
/proc/loadavg: 1.20 1.20 1.08 2/65 17319
/proc/meminfo: memFree=1803776/2055920 swapFree=4183048/4192956
[pid=17318] ppid=17316 vsize=18692 CPUtime=39.63
/proc/17318/stat : 17318 (tinisat) R 17316 17318 16454 0 -1 4194304 3475 0 0 0 3960 3 0 0 25 0 1 0 276151081 19140608 3361 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134520118 0 0 4096 0 0 0 0 17 1 0 0
/proc/17318/statm: 4673 3361 52 110 0 4560 0
Current children cumulated CPU time (s) 39.63
Current children cumulated vsize (KiB) 18692

Child status: 10
Real time (s): 39.66
CPU time (s): 39.649
CPU user time (s): 39.614
CPU system time (s): 0.034994
CPU usage (%): 99.9721
Max. virtual memory (cumulated for all children) (KiB): 18692

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 39.614
system time used= 0.034994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3482
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= 8
involuntary context switches= 41

runsolver used 0.032994 second user time and 0.081987 second system time

The end

Launcher Data (download as text)

Begin job on node75 on Tue Feb 27 07:37:32 UTC 2007

IDJOB= 310775
IDBENCH= 20296
IDSOLVER= 100
FILE ID= node75/310775-1172561852

PBS_JOBID= 3971880

Free space on /tmp= 66559 MiB

SOLVER NAME= tinisat 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1295/unif2p-p0.8-v1295-c4027-S1665384822-14-SAT.cnf
COMMAND LINE= /tmp/evaluation/310775-1172561852/tinisat /tmp/evaluation/310775-1172561852/instance-310775-1172561852.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node75/watcher-310775-1172561852 -o ROOT/results/node75/solver-310775-1172561852 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/310775-1172561852/tinisat /tmp/evaluation/310775-1172561852/instance-310775-1172561852.cnf            

META MD5SUM SOLVER= 15788d06198cf45d0201cced774790cd
MD5SUM BENCH=  be7dc6f6bf5d0d6359adfd321a4b6af2

RANDOM SEED= 649687057

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node75.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		: 3000.218
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		: 3000.218
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:       1817568 kB
Buffers:         32740 kB
Cached:         157828 kB
SwapCached:       4184 kB
Active:         109236 kB
Inactive:        91268 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1817568 kB
SwapTotal:     4192956 kB
SwapFree:      4183048 kB
Dirty:             864 kB
Writeback:           0 kB
Mapped:          15416 kB
Slab:            23824 kB
Committed_AS:   751848 kB
PageTables:       1432 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= 66559 MiB

End job on node75 on Tue Feb 27 07:38:12 UTC 2007