Trace number 307905

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 37.3933 37.4048

General information on the benchmark

Namerandom/2+p/p0.7/v3500/
unif2p-p0.7-v3500-c9345-S1909130260-19-SAT.cnf
MD5SUM34b5792021dd848a8af4ebefee6dfe73
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.154975
Satisfiable
(Un)Satisfiability was proved
Number of variables3497
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/307905-1172509169/instance-307905-1172509169.cnf
0.00/0.01	c 3500 variables, 9344 clauses
37.27/37.39	s SATISFIABLE
37.27/37.39	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 -186 187 189 190 191 192 -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 -243 244 245 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37.38/37.40	c 90422 decisions, 63305 conflicts, 52 restarts
37.38/37.40	c solved in 37.39s

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/node7/watcher-307905-1172509169 -o ROOT/results/node7/solver-307905-1172509169 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/307905-1172509169/tinisat /tmp/evaluation/307905-1172509169/instance-307905-1172509169.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: 1.00 1.00 0.95 3/77 17115
/proc/meminfo: memFree=1649552/2055920 swapFree=4147496/4192956
[pid=17115] ppid=17113 vsize=848 CPUtime=0
/proc/17115/stat : 17115 (tinisat) R 17113 17115 16275 0 -1 4194304 106 0 0 0 0 0 0 0 18 0 1 0 270871658 868352 91 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134691132 0 0 4096 0 0 0 0 17 1 0 0
/proc/17115/statm: 212 91 48 110 0 99 0

[startup+0.107557 s]
/proc/loadavg: 1.00 1.00 0.95 3/77 17115
/proc/meminfo: memFree=1649552/2055920 swapFree=4147496/4192956
[pid=17115] ppid=17113 vsize=1956 CPUtime=0.1
/proc/17115/stat : 17115 (tinisat) R 17113 17115 16275 0 -1 4194304 374 0 0 0 10 0 0 0 18 0 1 0 270871658 2002944 358 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519606 0 0 4096 0 0 0 0 17 1 0 0
/proc/17115/statm: 489 358 52 110 0 376 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 1956

[startup+0.515599 s]
/proc/loadavg: 1.00 1.00 0.95 3/77 17115
/proc/meminfo: memFree=1649552/2055920 swapFree=4147496/4192956
[pid=17115] ppid=17113 vsize=2500 CPUtime=0.51
/proc/17115/stat : 17115 (tinisat) R 17113 17115 16275 0 -1 4194304 476 0 0 0 51 0 0 0 22 0 1 0 270871658 2560000 460 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519582 0 0 4096 0 0 0 0 17 1 0 0
/proc/17115/statm: 625 460 52 110 0 512 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 2500

[startup+1.33568 s]
/proc/loadavg: 1.00 1.00 0.95 2/78 17116
/proc/meminfo: memFree=1647368/2055920 swapFree=4147496/4192956
[pid=17115] ppid=17113 vsize=3584 CPUtime=1.33
/proc/17115/stat : 17115 (tinisat) R 17113 17115 16275 0 -1 4194304 657 0 0 0 133 0 0 0 25 0 1 0 270871658 3670016 641 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519964 0 0 4096 0 0 0 0 17 1 0 0
/proc/17115/statm: 896 641 52 110 0 783 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 3584

[startup+2.97786 s]
/proc/loadavg: 1.00 1.00 0.95 2/78 17116
/proc/meminfo: memFree=1646408/2055920 swapFree=4147496/4192956
[pid=17115] ppid=17113 vsize=5748 CPUtime=2.97
/proc/17115/stat : 17115 (tinisat) R 17113 17115 16275 0 -1 4194304 960 0 0 0 297 0 0 0 25 0 1 0 270871658 5885952 944 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519843 0 0 4096 0 0 0 0 17 1 0 0
/proc/17115/statm: 1437 944 52 110 0 1324 0
Current children cumulated CPU time (s) 2.97
Current children cumulated vsize (KiB) 5748

[startup+6.2542 s]
/proc/loadavg: 1.00 1.00 0.95 2/78 17116
/proc/meminfo: memFree=1644232/2055920 swapFree=4147496/4192956
[pid=17115] ppid=17113 vsize=10464 CPUtime=6.24
/proc/17115/stat : 17115 (tinisat) R 17113 17115 16275 0 -1 4194304 1443 0 0 0 624 0 0 0 25 0 1 0 270871658 10715136 1427 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519582 0 0 4096 0 0 0 0 17 1 0 0
/proc/17115/statm: 2616 1427 52 110 0 2503 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 10464

[startup+12.7099 s]
/proc/loadavg: 1.00 1.00 0.95 2/78 17116
/proc/meminfo: memFree=1640648/2055920 swapFree=4147496/4192956
[pid=17115] ppid=17113 vsize=10856 CPUtime=12.69
/proc/17115/stat : 17115 (tinisat) R 17113 17115 16275 0 -1 4194304 2281 0 0 0 1268 1 0 0 25 0 1 0 270871658 11116544 2232 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519843 0 0 4096 0 0 0 0 17 1 0 0
/proc/17115/statm: 2714 2232 52 110 0 2601 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 10856

[startup+25.5122 s]
/proc/loadavg: 1.00 1.00 0.95 2/78 17116
/proc/meminfo: memFree=1636936/2055920 swapFree=4147496/4192956
[pid=17115] ppid=17113 vsize=20160 CPUtime=25.49
/proc/17115/stat : 17115 (tinisat) R 17113 17115 16275 0 -1 4194304 3203 0 0 0 2547 2 0 0 25 0 1 0 270871658 20643840 3154 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134518568 0 0 4096 0 0 0 0 17 1 0 0
/proc/17115/statm: 5040 3154 52 110 0 4927 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 20160

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

[startup+26.2313 s]
/proc/loadavg: 1.00 1.00 0.95 2/78 17116
/proc/meminfo: memFree=1636680/2055920 swapFree=4147496/4192956
[pid=17115] ppid=17113 vsize=20160 CPUtime=26.21
/proc/17115/stat : 17115 (tinisat) R 17113 17115 16275 0 -1 4194304 3247 0 0 0 2619 2 0 0 25 0 1 0 270871658 20643840 3198 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134520134 0 0 4096 0 0 0 0 17 1 0 0
/proc/17115/statm: 5040 3198 52 110 0 4927 0
Current children cumulated CPU time (s) 26.21
Current children cumulated vsize (KiB) 20160

[startup+32.789 s]
/proc/loadavg: 1.00 1.00 0.95 2/78 17116
/proc/meminfo: memFree=1635144/2055920 swapFree=4147496/4192956
[pid=17115] ppid=17113 vsize=20292 CPUtime=32.77
/proc/17115/stat : 17115 (tinisat) R 17113 17115 16275 0 -1 4194304 3621 0 0 0 3274 3 0 0 25 0 1 0 270871658 20779008 3572 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519964 0 0 4096 0 0 0 0 17 1 0 0
/proc/17115/statm: 5073 3573 52 110 0 4960 0
Current children cumulated CPU time (s) 32.77
Current children cumulated vsize (KiB) 20292

[startup+34.4252 s]
/proc/loadavg: 1.00 1.00 0.95 2/78 17116
/proc/meminfo: memFree=1634952/2055920 swapFree=4147496/4192956
[pid=17115] ppid=17113 vsize=20424 CPUtime=34.4
/proc/17115/stat : 17115 (tinisat) R 17113 17115 16275 0 -1 4194304 3708 0 0 0 3437 3 0 0 25 0 1 0 270871658 20914176 3659 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519843 0 0 4096 0 0 0 0 17 1 0 0
/proc/17115/statm: 5106 3659 52 110 0 4993 0
Current children cumulated CPU time (s) 34.4
Current children cumulated vsize (KiB) 20424

[startup+36.0613 s]
/proc/loadavg: 1.00 1.00 0.95 2/78 17116
/proc/meminfo: memFree=1634376/2055920 swapFree=4147496/4192956
[pid=17115] ppid=17113 vsize=20424 CPUtime=36.04
/proc/17115/stat : 17115 (tinisat) R 17113 17115 16275 0 -1 4194304 3807 0 0 0 3601 3 0 0 25 0 1 0 270871658 20914176 3758 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519843 0 0 4096 0 0 0 0 17 1 0 0
/proc/17115/statm: 5106 3758 52 110 0 4993 0
Current children cumulated CPU time (s) 36.04
Current children cumulated vsize (KiB) 20424

[startup+36.8844 s]
/proc/loadavg: 1.00 1.00 0.95 2/78 17116
/proc/meminfo: memFree=1634376/2055920 swapFree=4147496/4192956
[pid=17115] ppid=17113 vsize=20424 CPUtime=36.86
/proc/17115/stat : 17115 (tinisat) R 17113 17115 16275 0 -1 4194304 3862 0 0 0 3683 3 0 0 25 0 1 0 270871658 20914176 3813 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134520029 0 0 4096 0 0 0 0 17 1 0 0
/proc/17115/statm: 5106 3813 52 110 0 4993 0
Current children cumulated CPU time (s) 36.86
Current children cumulated vsize (KiB) 20424

[startup+37.2985 s]
/proc/loadavg: 1.00 1.00 0.95 2/78 17116
/proc/meminfo: memFree=1634056/2055920 swapFree=4147496/4192956
[pid=17115] ppid=17113 vsize=20424 CPUtime=37.27
/proc/17115/stat : 17115 (tinisat) R 17113 17115 16275 0 -1 4194304 3891 0 0 0 3724 3 0 0 25 0 1 0 270871658 20914176 3842 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519927 0 0 4096 0 0 0 0 17 1 0 0
/proc/17115/statm: 5106 3842 52 110 0 4993 0
Current children cumulated CPU time (s) 37.27
Current children cumulated vsize (KiB) 20424

[startup+37.4005 s]
/proc/loadavg: 1.00 1.00 0.95 2/78 17116
/proc/meminfo: memFree=1634056/2055920 swapFree=4147496/4192956
[pid=17115] ppid=17113 vsize=20424 CPUtime=37.38
/proc/17115/stat : 17115 (tinisat) R 17113 17115 16275 0 -1 4194304 3896 0 0 0 3735 3 0 0 16 0 1 0 270871658 20914176 3847 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134629229 0 0 4096 0 0 0 0 17 1 0 0
/proc/17115/statm: 5106 3847 52 110 0 4993 0
Current children cumulated CPU time (s) 37.38
Current children cumulated vsize (KiB) 20424

Child status: 10
Real time (s): 37.4048
CPU time (s): 37.3933
CPU user time (s): 37.3513
CPU system time (s): 0.041993
CPU usage (%): 99.9692
Max. virtual memory (cumulated for all children) (KiB): 20424

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 37.3513
system time used= 0.041993
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3903
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= 769

runsolver used 0.040993 second user time and 0.096985 second system time

The end

Launcher Data (download as text)

Begin job on node7 on Mon Feb 26 16:59:29 UTC 2007

IDJOB= 307905
IDBENCH= 20217
IDSOLVER= 100
FILE ID= node7/307905-1172509169

PBS_JOBID= 3971595

Free space on /tmp= 66552 MiB

SOLVER NAME= tinisat 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.7/v3500/unif2p-p0.7-v3500-c9345-S1909130260-19-SAT.cnf
COMMAND LINE= /tmp/evaluation/307905-1172509169/tinisat /tmp/evaluation/307905-1172509169/instance-307905-1172509169.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node7/watcher-307905-1172509169 -o ROOT/results/node7/solver-307905-1172509169 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/307905-1172509169/tinisat /tmp/evaluation/307905-1172509169/instance-307905-1172509169.cnf            

META MD5SUM SOLVER= 15788d06198cf45d0201cced774790cd
MD5SUM BENCH=  34b5792021dd848a8af4ebefee6dfe73

RANDOM SEED= 918915451

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node7.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		: 3000.232
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		: 3000.232
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:       1649960 kB
Buffers:         48272 kB
Cached:         263668 kB
SwapCached:       9088 kB
Active:         185836 kB
Inactive:       150256 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1649960 kB
SwapTotal:     4192956 kB
SwapFree:      4147496 kB
Dirty:             696 kB
Writeback:           0 kB
Mapped:          30912 kB
Slab:            55348 kB
Committed_AS:   892080 kB
PageTables:       1764 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= 66552 MiB

End job on node7 on Mon Feb 26 17:00:07 UTC 2007