Trace number 312404

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 7.18991 7.19497

General information on the benchmark

Namerandom/2+p/p0.8/v1665/
unif2p-p0.8-v1665-c5178-S1939769766-11-SAT.cnf
MD5SUM6a3b3e57d22696582c0456812681e53c
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.060989
Satisfiable
(Un)Satisfiability was proved
Number of variables1664
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...
7.08/7.17	s SATISFIABLE
7.08/7.17	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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-1648 -1649 -1650 -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/node20/watcher-312404-1178876530 -o ROOT/results/node20/solver-312404-1178876530 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/312404-1178876530/MiraXTv1_dyn /tmp/evaluation/312404-1178876530/instance-312404-1178876530.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: 0.91 0.97 1.01 3/77 11302
/proc/meminfo: memFree=1742760/2055920 swapFree=4154884/4192956
[pid=11302] ppid=11300 vsize=3788 CPUtime=0
/proc/11302/stat : 11302 (MiraXTv1_dyn) R 11300 11302 9875 0 -1 4194304 306 0 0 0 0 0 0 0 18 0 1 0 335570374 3878912 281 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 8054395 0 0 4096 0 0 0 0 17 1 0 0
/proc/11302/statm: 947 284 205 20 0 305 0

[startup+0.093824 s]
/proc/loadavg: 0.91 0.97 1.01 3/77 11302
/proc/meminfo: memFree=1742760/2055920 swapFree=4154884/4192956
[pid=11302] ppid=11300 vsize=5680 CPUtime=0.08
/proc/11302/stat : 11302 (MiraXTv1_dyn) S 11300 11302 9875 0 -1 4194304 637 0 0 0 8 0 0 0 18 0 2 0 335570374 5816320 612 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/11302/statm: 1420 612 218 20 0 778 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 5680

[startup+0.101824 s]
/proc/loadavg: 0.91 0.97 1.01 3/77 11302
/proc/meminfo: memFree=1742760/2055920 swapFree=4154884/4192956
[pid=11302] ppid=11300 vsize=5680 CPUtime=0.09
/proc/11302/stat : 11302 (MiraXTv1_dyn) S 11300 11302 9875 0 -1 4194304 639 0 0 0 9 0 0 0 18 0 2 0 335570374 5816320 614 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/11302/statm: 1420 614 218 20 0 778 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5680

[startup+0.301864 s]
/proc/loadavg: 0.91 0.97 1.01 3/77 11302
/proc/meminfo: memFree=1742760/2055920 swapFree=4154884/4192956
[pid=11302] ppid=11300 vsize=6208 CPUtime=0.29
/proc/11302/stat : 11302 (MiraXTv1_dyn) S 11300 11302 9875 0 -1 4194304 776 0 0 0 29 0 0 0 18 0 2 0 335570374 6356992 751 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/11302/statm: 1552 751 218 20 0 910 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6208

[startup+0.701945 s]
/proc/loadavg: 0.91 0.97 1.01 3/77 11302
/proc/meminfo: memFree=1742760/2055920 swapFree=4154884/4192956
[pid=11302] ppid=11300 vsize=7704 CPUtime=0.69
/proc/11302/stat : 11302 (MiraXTv1_dyn) S 11300 11302 9875 0 -1 4194304 1020 0 0 0 69 0 0 0 18 0 2 0 335570374 7888896 995 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/11302/statm: 1926 995 218 20 0 1284 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7704

[startup+1.50111 s]
/proc/loadavg: 0.91 0.97 1.01 2/79 11304
/proc/meminfo: memFree=1739032/2055920 swapFree=4154884/4192956
[pid=11302] ppid=11300 vsize=9132 CPUtime=1.49
/proc/11302/stat : 11302 (MiraXTv1_dyn) S 11300 11302 9875 0 -1 4194304 1405 0 0 0 149 0 0 0 18 0 2 0 335570374 9351168 1380 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/11302/statm: 2283 1380 218 20 0 1641 0
[pid=11302/tid=11304] ppid=11300 vsize=9132 CPUtime=1.47
/proc/11302/task/11304/stat : 11304 (MiraXTv1_dyn) R 11300 11302 9875 0 -1 4194368 939 0 0 0 147 0 0 0 25 0 2 0 335570376 9351168 1380 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 134565643 0 0 4096 0 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9132

[startup+3.10143 s]
/proc/loadavg: 0.91 0.97 1.01 2/79 11304
/proc/meminfo: memFree=1737176/2055920 swapFree=4154884/4192956
[pid=11302] ppid=11300 vsize=10484 CPUtime=3.08
/proc/11302/stat : 11302 (MiraXTv1_dyn) S 11300 11302 9875 0 -1 4194304 1767 0 0 0 308 0 0 0 18 0 2 0 335570374 10735616 1742 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/11302/statm: 2621 1742 218 20 0 1979 0
[pid=11302/tid=11304] ppid=11300 vsize=10484 CPUtime=3.06
/proc/11302/task/11304/stat : 11304 (MiraXTv1_dyn) R 11300 11302 9875 0 -1 4194368 1301 0 0 0 306 0 0 0 25 0 2 0 335570376 10735616 1742 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 134526322 0 0 4096 0 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 10484

[startup+6.30107 s]
/proc/loadavg: 0.92 0.97 1.01 2/79 11304
/proc/meminfo: memFree=1733080/2055920 swapFree=4154884/4192956
[pid=11302] ppid=11300 vsize=14796 CPUtime=6.28
/proc/11302/stat : 11302 (MiraXTv1_dyn) S 11300 11302 9875 0 -1 4194304 2891 0 0 0 627 1 0 0 18 0 2 0 335570374 15151104 2866 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/11302/statm: 3699 2866 218 20 0 3057 0
[pid=11302/tid=11304] ppid=11300 vsize=14796 CPUtime=6.26
/proc/11302/task/11304/stat : 11304 (MiraXTv1_dyn) R 11300 11302 9875 0 -1 4194368 2425 0 0 0 625 1 0 0 25 0 2 0 335570376 15151104 2866 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 134526370 0 0 4096 0 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 14796

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

[startup+6.70115 s]
/proc/loadavg: 0.92 0.97 1.01 2/79 11304
/proc/meminfo: memFree=1731544/2055920 swapFree=4154884/4192956
[pid=11302] ppid=11300 vsize=15332 CPUtime=6.68
/proc/11302/stat : 11302 (MiraXTv1_dyn) S 11300 11302 9875 0 -1 4194304 3014 0 0 0 667 1 0 0 18 0 2 0 335570374 15699968 2989 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/11302/statm: 3833 2989 218 20 0 3191 0
[pid=11302/tid=11304] ppid=11300 vsize=15332 CPUtime=6.66
/proc/11302/task/11304/stat : 11304 (MiraXTv1_dyn) R 11300 11302 9875 0 -1 4194368 2548 0 0 0 665 1 0 0 25 0 2 0 335570376 15699968 2989 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 134521589 0 0 4096 0 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 6.68
Current children cumulated vsize (KiB) 15332

[startup+7.10123 s]
/proc/loadavg: 0.92 0.97 1.01 2/79 11304
/proc/meminfo: memFree=1731544/2055920 swapFree=4154884/4192956
[pid=11302] ppid=11300 vsize=15828 CPUtime=7.08
/proc/11302/stat : 11302 (MiraXTv1_dyn) S 11300 11302 9875 0 -1 4194304 3130 0 0 0 707 1 0 0 18 0 2 0 335570374 16207872 3105 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/11302/statm: 3957 3105 218 20 0 3315 0
[pid=11302/tid=11304] ppid=11300 vsize=15828 CPUtime=7.06
/proc/11302/task/11304/stat : 11304 (MiraXTv1_dyn) R 11300 11302 9875 0 -1 4194368 2664 0 0 0 705 1 0 0 25 0 2 0 335570376 16207872 3105 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 8054395 0 0 4096 0 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 7.08
Current children cumulated vsize (KiB) 15828

Child status: 10
Real time (s): 7.19497
CPU time (s): 7.18991
CPU user time (s): 7.16591
CPU system time (s): 0.023996
CPU usage (%): 99.9296
Max. virtual memory (cumulated for all children) (KiB): 15828

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.16591
system time used= 0.023996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3161
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= 146

runsolver used 0.010998 second user time and 0.018997 second system time

The end

Launcher Data (download as text)

Begin job on node20 on Fri May 11 09:42:10 UTC 2007

IDJOB= 312404
IDBENCH= 20340
IDSOLVER= 130
FILE ID= node20/312404-1178876530

PBS_JOBID= 5251041

Free space on /tmp= 66549 MiB

SOLVER NAME= MiraXT v1
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1665/unif2p-p0.8-v1665-c5178-S1939769766-11-SAT.cnf
COMMAND LINE= /tmp/evaluation/312404-1178876530/MiraXTv1_dyn /tmp/evaluation/312404-1178876530/instance-312404-1178876530.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node20/watcher-312404-1178876530 -o ROOT/results/node20/solver-312404-1178876530 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/312404-1178876530/MiraXTv1_dyn /tmp/evaluation/312404-1178876530/instance-312404-1178876530.cnf            

META MD5SUM SOLVER= 2ad149617ed8d249d89b067eb44c33da
MD5SUM BENCH=  6a3b3e57d22696582c0456812681e53c

RANDOM SEED= 937543643

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node20.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		: 3000.265
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		: 3000.265
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:       1743040 kB
Buffers:         47956 kB
Cached:         178632 kB
SwapCached:      17192 kB
Active:         135952 kB
Inactive:       114384 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1743040 kB
SwapTotal:     4192956 kB
SwapFree:      4154884 kB
Dirty:            4060 kB
Writeback:           0 kB
Mapped:          29876 kB
Slab:            48088 kB
Committed_AS:  6819884 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= 66549 MiB

End job on node20 on Fri May 11 09:42:18 UTC 2007