Trace number 311090

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 v3SAT 4.99024 2.53341

General information on the benchmark

Namerandom/2+p/p0.8/v1295/
unif2p-p0.8-v1295-c4027-S1209647106-12-SAT.cnf
MD5SUM5b71a13667daed42fef777f7d5fe2376
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.05599
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 Starting MiraXTv3...
4.95/2.51	s SATISFIABLE
4.95/2.51	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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-1290 -1291 1292 -1293 1294 1295 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-311090-1178872726 -o ROOT/results/node20/solver-311090-1178872726 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/311090-1178872726/MiraXTv3_dyn /tmp/evaluation/311090-1178872726/instance-311090-1178872726.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: 0.99 1.27 1.54 3/77 10765
/proc/meminfo: memFree=1743664/2055920 swapFree=4154884/4192956
[pid=10765] ppid=10763 vsize=3788 CPUtime=0
/proc/10765/stat : 10765 (MiraXTv3_dyn) R 10763 10765 9875 0 -1 4194304 300 0 0 0 0 0 0 0 18 0 1 0 335189955 3878912 275 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 8054395 0 0 4096 0 0 0 0 17 1 0 0
/proc/10765/statm: 947 280 205 20 0 305 0

[startup+0.009368 s]
/proc/loadavg: 0.99 1.27 1.54 3/77 10765
/proc/meminfo: memFree=1743664/2055920 swapFree=4154884/4192956
[pid=10765] ppid=10763 vsize=4184 CPUtime=0
/proc/10765/stat : 10765 (MiraXTv3_dyn) R 10763 10765 9875 0 -1 4194304 374 0 0 0 0 0 0 0 18 0 1 0 335189955 4284416 349 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 8054395 0 0 4096 0 0 0 0 17 1 0 0
/proc/10765/statm: 1046 349 206 20 0 404 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 4184

[startup+0.101389 s]
/proc/loadavg: 0.99 1.27 1.54 3/77 10765
/proc/meminfo: memFree=1743664/2055920 swapFree=4154884/4192956
[pid=10765] ppid=10763 vsize=6348 CPUtime=0.17
/proc/10765/stat : 10765 (MiraXTv3_dyn) S 10763 10765 9875 0 -1 4194304 747 0 0 0 17 0 0 0 18 0 3 0 335189955 6500352 722 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/10765/statm: 1587 722 218 20 0 945 0
Current children cumulated CPU time (s) 0.17
Current children cumulated vsize (KiB) 6348

[startup+0.301431 s]
/proc/loadavg: 0.99 1.27 1.54 3/77 10765
/proc/meminfo: memFree=1743664/2055920 swapFree=4154884/4192956
[pid=10765] ppid=10763 vsize=8988 CPUtime=0.56
/proc/10765/stat : 10765 (MiraXTv3_dyn) S 10763 10765 9875 0 -1 4194304 1074 0 0 0 56 0 0 0 18 0 3 0 335189955 9203712 1049 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/10765/statm: 2247 1049 218 20 0 1605 0
Current children cumulated CPU time (s) 0.56
Current children cumulated vsize (KiB) 8988

[startup+0.701511 s]
/proc/loadavg: 0.99 1.27 1.54 3/77 10765
/proc/meminfo: memFree=1743664/2055920 swapFree=4154884/4192956
[pid=10765] ppid=10763 vsize=10964 CPUtime=1.36
/proc/10765/stat : 10765 (MiraXTv3_dyn) S 10763 10765 9875 0 -1 4194304 1566 0 0 0 136 0 0 0 18 0 3 0 335189955 11227136 1541 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/10765/statm: 2741 1541 218 20 0 2099 0
Current children cumulated CPU time (s) 1.36
Current children cumulated vsize (KiB) 10964

[startup+1.50267 s]
/proc/loadavg: 0.99 1.27 1.54 3/80 10768
/proc/meminfo: memFree=1736856/2055920 swapFree=4154884/4192956
[pid=10765] ppid=10763 vsize=13828 CPUtime=2.96
/proc/10765/stat : 10765 (MiraXTv3_dyn) S 10763 10765 9875 0 -1 4194304 2467 0 0 0 295 1 0 0 18 0 3 0 335189955 14159872 2442 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/10765/statm: 3457 2442 218 20 0 2815 0
[pid=10765/tid=10767] ppid=10763 vsize=13828 CPUtime=1.47
/proc/10765/task/10767/stat : 10767 (MiraXTv3_dyn) R 10763 10765 9875 0 -1 4194368 1009 0 0 0 147 0 0 0 25 0 3 0 335189957 14159872 2442 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 134520702 0 0 4096 0 0 0 0 -1 1 0 0
[pid=10765/tid=10768] ppid=10763 vsize=13828 CPUtime=1.46
/proc/10765/task/10768/stat : 10768 (MiraXTv3_dyn) R 10763 10765 9875 0 -1 4194368 1035 0 0 0 146 0 0 0 21 0 3 0 335189957 14159872 2442 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 134565721 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 13828

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

[startup+2.30283 s]
/proc/loadavg: 0.99 1.27 1.54 3/80 10768
/proc/meminfo: memFree=1732312/2055920 swapFree=4154884/4192956
[pid=10765] ppid=10763 vsize=17108 CPUtime=4.56
/proc/10765/stat : 10765 (MiraXTv3_dyn) S 10763 10765 9875 0 -1 4194304 3171 0 0 0 454 2 0 0 18 0 3 0 335189955 17518592 3146 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/10765/statm: 4277 3146 218 20 0 3635 0
[pid=10765/tid=10767] ppid=10763 vsize=17108 CPUtime=2.27
/proc/10765/task/10767/stat : 10767 (MiraXTv3_dyn) R 10763 10765 9875 0 -1 4194368 1325 0 0 0 227 0 0 0 25 0 3 0 335189957 17518592 3146 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 134526515 0 0 4096 0 0 0 0 -1 1 0 0
[pid=10765/tid=10768] ppid=10763 vsize=17108 CPUtime=2.26
/proc/10765/task/10768/stat : 10768 (MiraXTv3_dyn) R 10763 10765 9875 0 -1 4194368 1423 0 0 0 225 1 0 0 22 0 3 0 335189957 17518592 3146 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 134526215 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 4.56
Current children cumulated vsize (KiB) 17108

[startup+2.50188 s]
/proc/loadavg: 0.99 1.27 1.54 3/80 10768
/proc/meminfo: memFree=1732312/2055920 swapFree=4154884/4192956
[pid=10765] ppid=10763 vsize=17372 CPUtime=4.95
/proc/10765/stat : 10765 (MiraXTv3_dyn) S 10763 10765 9875 0 -1 4194304 3314 0 0 0 493 2 0 0 18 0 3 0 335189955 17788928 3289 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 1 0 0
/proc/10765/statm: 4343 3289 218 20 0 3701 0
[pid=10765/tid=10767] ppid=10763 vsize=17372 CPUtime=2.47
/proc/10765/task/10767/stat : 10767 (MiraXTv3_dyn) R 10763 10765 9875 0 -1 4194368 1402 0 0 0 247 0 0 0 25 0 3 0 335189957 17788928 3289 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 134526291 0 0 4096 0 0 0 0 -1 1 0 0
[pid=10765/tid=10768] ppid=10763 vsize=17372 CPUtime=2.45
/proc/10765/task/10768/stat : 10768 (MiraXTv3_dyn) R 10763 10765 9875 0 -1 4194368 1489 0 0 0 244 1 0 0 25 0 3 0 335189957 17788928 3290 18446744073709551615 134512640 134597700 4294956656 18446744073709551615 134526477 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 4.95
Current children cumulated vsize (KiB) 17372

Child status: 10
Real time (s): 2.53341
CPU time (s): 4.99024
CPU user time (s): 4.96525
CPU system time (s): 0.024996
CPU usage (%): 196.977
Max. virtual memory (cumulated for all children) (KiB): 17372

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.96525
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= 3331
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= 41
involuntary context switches= 91

runsolver used 0.006998 second user time and 0.007998 second system time

The end

Launcher Data (download as text)

Begin job on node20 on Fri May 11 08:38:46 UTC 2007

IDJOB= 311090
IDBENCH= 20304
IDSOLVER= 128
FILE ID= node20/311090-1178872726

PBS_JOBID= 5251041

Free space on /tmp= 66549 MiB

SOLVER NAME= MiraXT v3
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1295/unif2p-p0.8-v1295-c4027-S1209647106-12-SAT.cnf
COMMAND LINE= /tmp/evaluation/311090-1178872726/MiraXTv3_dyn /tmp/evaluation/311090-1178872726/instance-311090-1178872726.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node20/watcher-311090-1178872726 -o ROOT/results/node20/solver-311090-1178872726 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/311090-1178872726/MiraXTv3_dyn /tmp/evaluation/311090-1178872726/instance-311090-1178872726.cnf            

META MD5SUM SOLVER= 2ad149617ed8d249d89b067eb44c33da
MD5SUM BENCH=  5b71a13667daed42fef777f7d5fe2376

RANDOM SEED= 597513369

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:       1743944 kB
Buffers:         47836 kB
Cached:         178004 kB
SwapCached:      17192 kB
Active:         135776 kB
Inactive:       113784 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1743944 kB
SwapTotal:     4192956 kB
SwapFree:      4154884 kB
Dirty:            4040 kB
Writeback:           0 kB
Mapped:          29876 kB
Slab:            47960 kB
Committed_AS:  6813620 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 08:38:49 UTC 2007