Trace number 312445

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
MiraXT v1SAT 1.74173 1.74465

General information on the benchmark

Namerandom/2+p/p0.8/v1665/
unif2p-p0.8-v1665-c5178-S1363528912-04-SAT.cnf
MD5SUMb570344119c652fb3e5253d1ef16a171
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.17982
Satisfiable
(Un)Satisfiability was proved
Number of variables1665
Number of clauses5177
Sum of the clauses size14496
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 21035
Number of clauses of size 34142
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 Starting MiraXTv1...
1.69/1.73	s SATISFIABLE
1.69/1.73	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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1651 -1652 1653 -1654 -1655 1656 1657 -1658 1659 -1660 1661 -1662 1663 1664 1665 0

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.4 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node18/watcher-312445-1178876584 -o ROOT/results/node18/solver-312445-1178876584 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/312445-1178876584/MiraXTv1_dyn /tmp/evaluation/312445-1178876584/instance-312445-1178876584.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: 1.84 1.94 1.83 3/77 10052
/proc/meminfo: memFree=1780608/2055920 swapFree=4144420/4192956
[pid=10052] ppid=10050 vsize=4052 CPUtime=0
/proc/10052/stat : 10052 (MiraXTv1_dyn) R 10050 10052 9438 0 -1 4194304 343 0 0 0 0 0 0 0 18 0 1 0 335575823 4149248 318 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 8299469 0 0 4096 0 0 0 0 17 0 0 0
/proc/10052/statm: 1013 320 206 20 0 371 0

[startup+0.04137 s]
/proc/loadavg: 1.84 1.94 1.83 3/77 10052
/proc/meminfo: memFree=1780608/2055920 swapFree=4144420/4192956
[pid=10052] ppid=10050 vsize=5620 CPUtime=0.03
/proc/10052/stat : 10052 (MiraXTv1_dyn) S 10050 10052 9438 0 -1 4194304 622 0 0 0 3 0 0 0 18 0 2 0 335575823 5754880 597 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/10052/statm: 1405 597 218 20 0 763 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 5620

[startup+0.102387 s]
/proc/loadavg: 1.84 1.94 1.83 3/77 10052
/proc/meminfo: memFree=1780608/2055920 swapFree=4144420/4192956
[pid=10052] ppid=10050 vsize=5752 CPUtime=0.09
/proc/10052/stat : 10052 (MiraXTv1_dyn) S 10050 10052 9438 0 -1 4194304 645 0 0 0 9 0 0 0 18 0 2 0 335575823 5890048 620 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/10052/statm: 1438 620 218 20 0 796 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5752

[startup+0.301394 s]
/proc/loadavg: 1.84 1.94 1.83 3/77 10052
/proc/meminfo: memFree=1780608/2055920 swapFree=4144420/4192956
[pid=10052] ppid=10050 vsize=6280 CPUtime=0.29
/proc/10052/stat : 10052 (MiraXTv1_dyn) S 10050 10052 9438 0 -1 4194304 798 0 0 0 29 0 0 0 18 0 2 0 335575823 6430720 773 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/10052/statm: 1570 774 218 20 0 928 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6280

[startup+0.701433 s]
/proc/loadavg: 1.84 1.94 1.83 3/77 10052
/proc/meminfo: memFree=1780608/2055920 swapFree=4144420/4192956
[pid=10052] ppid=10050 vsize=7956 CPUtime=0.69
/proc/10052/stat : 10052 (MiraXTv1_dyn) S 10050 10052 9438 0 -1 4194304 1064 0 0 0 69 0 0 0 18 0 2 0 335575823 8146944 1039 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/10052/statm: 1989 1039 218 20 0 1347 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7956

[startup+1.50151 s]
/proc/loadavg: 1.84 1.94 1.83 2/79 10054
/proc/meminfo: memFree=1776496/2055920 swapFree=4144420/4192956
[pid=10052] ppid=10050 vsize=9804 CPUtime=1.49
/proc/10052/stat : 10052 (MiraXTv1_dyn) S 10050 10052 9438 0 -1 4194304 1555 0 0 0 148 1 0 0 18 0 2 0 335575823 10039296 1530 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/10052/statm: 2451 1530 218 20 0 1809 0
[pid=10052/tid=10054] ppid=10050 vsize=9804 CPUtime=1.47
/proc/10052/task/10054/stat : 10054 (MiraXTv1_dyn) R 10050 10052 9438 0 -1 4194368 1093 0 0 0 147 0 0 0 25 0 2 0 335575825 10039296 1530 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 134526477 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9804

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

[startup+1.70153 s]
/proc/loadavg: 1.84 1.94 1.83 2/79 10054
/proc/meminfo: memFree=1776496/2055920 swapFree=4144420/4192956
[pid=10052] ppid=10050 vsize=10068 CPUtime=1.69
/proc/10052/stat : 10052 (MiraXTv1_dyn) S 10050 10052 9438 0 -1 4194304 1629 0 0 0 168 1 0 0 18 0 2 0 335575823 10309632 1604 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/10052/statm: 2517 1604 218 20 0 1875 0
[pid=10052/tid=10054] ppid=10050 vsize=10068 CPUtime=1.67
/proc/10052/task/10054/stat : 10054 (MiraXTv1_dyn) R 10050 10052 9438 0 -1 4194368 1167 0 0 0 167 0 0 0 25 0 2 0 335575825 10309632 1604 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 134526351 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 1.69
Current children cumulated vsize (KiB) 10068

Child status: 10
Real time (s): 1.74465
CPU time (s): 1.74173
CPU user time (s): 1.72974
CPU system time (s): 0.011998
CPU usage (%): 99.8332
Max. virtual memory (cumulated for all children) (KiB): 10068

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.72974
system time used= 0.011998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1642
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= 15
involuntary context switches= 47

runsolver used 0.005999 second user time and 0.003999 second system time

The end

Launcher Data (download as text)

Begin job on node18 on Fri May 11 09:43:05 UTC 2007

IDJOB= 312445
IDBENCH= 20341
IDSOLVER= 130
FILE ID= node18/312445-1178876584

PBS_JOBID= 5251056

Free space on /tmp= 66556 MiB

SOLVER NAME= MiraXT v1
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1665/unif2p-p0.8-v1665-c5178-S1363528912-04-SAT.cnf
COMMAND LINE= /tmp/evaluation/312445-1178876584/MiraXTv1_dyn /tmp/evaluation/312445-1178876584/instance-312445-1178876584.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node18/watcher-312445-1178876584 -o ROOT/results/node18/solver-312445-1178876584 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/312445-1178876584/MiraXTv1_dyn /tmp/evaluation/312445-1178876584/instance-312445-1178876584.cnf            

META MD5SUM SOLVER= 2ad149617ed8d249d89b067eb44c33da
MD5SUM BENCH=  b570344119c652fb3e5253d1ef16a171

RANDOM SEED= 980133819

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node18.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		: 3000.234
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		: 3000.234
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:       1780824 kB
Buffers:         47064 kB
Cached:         138168 kB
SwapCached:      18496 kB
Active:         112476 kB
Inactive:       100948 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1780824 kB
SwapTotal:     4192956 kB
SwapFree:      4144420 kB
Dirty:            4060 kB
Writeback:           0 kB
Mapped:          30104 kB
Slab:            47152 kB
Committed_AS:  8761676 kB
PageTables:       1776 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 node18 on Fri May 11 09:43:06 UTC 2007