Trace number 295130

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
FH 2007-02-08SAT 8.21075 8.21574

General information on the benchmark

Namerandom/OnTreshold/7SAT/v65/
unif-k7-r89-v65-c5785-S461794864-15.SAT.shuffled.cnf
MD5SUM87601d6b29694c44112ef8c86b506fed
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.73958
Satisfiable
(Un)Satisfiability was proved
Number of variables65
Number of clauses5785
Sum of the clauses size40495
Maximum clause length7
Minimum clause length7
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 55785

Solver Data (download as text)

8.19/8.21	c try 1 flip j 471913
8.19/8.21	c A solution is found
8.19/8.21	s SATISFIABLE
8.19/8.21	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 
8.19/8.21	v 0 
8.19/8.21	c Done (mycputime is 0.001 seconds)

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/node11/watcher-295130-1171800455 -o ROOT/results/node11/solver-295130-1171800455 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/295130-1171800455/FH /tmp/evaluation/295130-1171800455/instance-295130-1171800455.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: 0.92 1.10 1.29 3/77 10250
/proc/meminfo: memFree=277044/2055920 swapFree=4192812/4192956
[pid=10250] ppid=10248 vsize=244720 CPUtime=0
/proc/10250/stat : 10250 (FH) R 10248 10250 9895 0 -1 4194304 91 0 0 0 0 0 0 0 18 0 1 0 200000111 250593280 75 18446744073709551615 134512640 134936988 4294956640 18446744073709551615 134589751 0 0 4096 0 0 0 0 17 1 0 0
/proc/10250/statm: 61180 76 36 103 0 60684 0

[startup+0.106835 s]
/proc/loadavg: 0.92 1.10 1.29 3/77 10250
/proc/meminfo: memFree=277044/2055920 swapFree=4192812/4192956
[pid=10250] ppid=10248 vsize=245376 CPUtime=0.1
/proc/10250/stat : 10250 (FH) R 10248 10250 9895 0 -1 4194304 286 0 0 0 10 0 0 0 18 0 1 0 200000111 251265024 269 18446744073709551615 134512640 134936988 4294956640 18446744073709551615 134523497 0 0 4096 0 0 0 0 17 1 0 0
/proc/10250/statm: 61344 269 36 103 0 60848 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 245376

[startup+0.514883 s]
/proc/loadavg: 0.92 1.10 1.29 3/77 10250
/proc/meminfo: memFree=277044/2055920 swapFree=4192812/4192956
[pid=10250] ppid=10248 vsize=245376 CPUtime=0.51
/proc/10250/stat : 10250 (FH) R 10248 10250 9895 0 -1 4194304 286 0 0 0 51 0 0 0 22 0 1 0 200000111 251265024 269 18446744073709551615 134512640 134936988 4294956640 18446744073709551615 134523530 0 0 4096 0 0 0 0 17 1 0 0
/proc/10250/statm: 61344 269 36 103 0 60848 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 245376

[startup+1.33598 s]
/proc/loadavg: 0.92 1.10 1.29 2/78 10251
/proc/meminfo: memFree=276032/2055920 swapFree=4192812/4192956
[pid=10250] ppid=10248 vsize=245376 CPUtime=1.33
/proc/10250/stat : 10250 (FH) R 10248 10250 9895 0 -1 4194304 286 0 0 0 133 0 0 0 25 0 1 0 200000111 251265024 269 18446744073709551615 134512640 134936988 4294956640 18446744073709551615 134523479 0 0 4096 0 0 0 0 17 1 0 0
/proc/10250/statm: 61344 269 36 103 0 60848 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 245376

[startup+2.97417 s]
/proc/loadavg: 0.92 1.10 1.29 2/78 10251
/proc/meminfo: memFree=275520/2055920 swapFree=4192812/4192956
[pid=10250] ppid=10248 vsize=247060 CPUtime=2.97
/proc/10250/stat : 10250 (FH) R 10248 10250 9895 0 -1 4194304 364 0 0 0 297 0 0 0 25 0 1 0 200000111 252989440 344 18446744073709551615 134512640 134936988 4294956640 18446744073709551615 134545028 0 0 4096 0 0 0 0 17 1 0 0
/proc/10250/statm: 61765 344 40 103 0 61269 0
Current children cumulated CPU time (s) 2.97
Current children cumulated vsize (KiB) 247060

[startup+6.25456 s]
/proc/loadavg: 0.93 1.10 1.28 2/78 10251
/proc/meminfo: memFree=275264/2055920 swapFree=4192812/4192956
[pid=10250] ppid=10248 vsize=247060 CPUtime=6.25
/proc/10250/stat : 10250 (FH) R 10248 10250 9895 0 -1 4194304 364 0 0 0 625 0 0 0 25 0 1 0 200000111 252989440 344 18446744073709551615 134512640 134936988 4294956640 18446744073709551615 134554397 0 0 4096 0 0 0 0 17 1 0 0
/proc/10250/statm: 61765 344 40 103 0 61269 0
Current children cumulated CPU time (s) 6.25
Current children cumulated vsize (KiB) 247060

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

[startup+6.5606 s]
/proc/loadavg: 0.93 1.10 1.28 2/78 10251
/proc/meminfo: memFree=275264/2055920 swapFree=4192812/4192956
[pid=10250] ppid=10248 vsize=247060 CPUtime=6.55
/proc/10250/stat : 10250 (FH) R 10248 10250 9895 0 -1 4194304 364 0 0 0 655 0 0 0 25 0 1 0 200000111 252989440 344 18446744073709551615 134512640 134936988 4294956640 18446744073709551615 134544951 0 0 4096 0 0 0 0 17 1 0 0
/proc/10250/statm: 61765 344 40 103 0 61269 0
Current children cumulated CPU time (s) 6.55
Current children cumulated vsize (KiB) 247060

[startup+7.38069 s]
/proc/loadavg: 0.93 1.10 1.28 2/78 10251
/proc/meminfo: memFree=275328/2055920 swapFree=4192812/4192956
[pid=10250] ppid=10248 vsize=247060 CPUtime=7.37
/proc/10250/stat : 10250 (FH) R 10248 10250 9895 0 -1 4194304 364 0 0 0 737 0 0 0 25 0 1 0 200000111 252989440 344 18446744073709551615 134512640 134936988 4294956640 18446744073709551615 134553505 0 0 4096 0 0 0 0 17 1 0 0
/proc/10250/statm: 61765 344 40 103 0 61269 0
Current children cumulated CPU time (s) 7.37
Current children cumulated vsize (KiB) 247060

[startup+7.78874 s]
/proc/loadavg: 0.93 1.10 1.28 2/78 10251
/proc/meminfo: memFree=275328/2055920 swapFree=4192812/4192956
[pid=10250] ppid=10248 vsize=247060 CPUtime=7.78
/proc/10250/stat : 10250 (FH) R 10248 10250 9895 0 -1 4194304 364 0 0 0 778 0 0 0 25 0 1 0 200000111 252989440 344 18446744073709551615 134512640 134936988 4294956640 18446744073709551615 134552167 0 0 4096 0 0 0 0 17 1 0 0
/proc/10250/statm: 61765 344 40 103 0 61269 0
Current children cumulated CPU time (s) 7.78
Current children cumulated vsize (KiB) 247060

[startup+8.20079 s]
/proc/loadavg: 0.93 1.10 1.28 2/78 10251
/proc/meminfo: memFree=275328/2055920 swapFree=4192812/4192956
[pid=10250] ppid=10248 vsize=247060 CPUtime=8.19
/proc/10250/stat : 10250 (FH) R 10248 10250 9895 0 -1 4194304 364 0 0 0 819 0 0 0 25 0 1 0 200000111 252989440 344 18446744073709551615 134512640 134936988 4294956640 18446744073709551615 134553238 0 0 4096 0 0 0 0 17 1 0 0
/proc/10250/statm: 61765 344 40 103 0 61269 0
Current children cumulated CPU time (s) 8.19
Current children cumulated vsize (KiB) 247060

Child status: 10
Real time (s): 8.21574
CPU time (s): 8.21075
CPU user time (s): 8.20975
CPU system time (s): 0.000999
CPU usage (%): 99.9393
Max. virtual memory (cumulated for all children) (KiB): 247060

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 8.20975
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 377
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= 175

runsolver used 0.011998 second user time and 0.024996 second system time

The end

Launcher Data (download as text)

Begin job on node11 on Sun Feb 18 12:07:36 UTC 2007

IDJOB= 295130
IDBENCH= 19905
IDSOLVER= 117
FILE ID= node11/295130-1171800455

PBS_JOBID= 3839339

Free space on /tmp= 66539 MiB

SOLVER NAME= FH 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/OnTreshold/7SAT/v65/unif-k7-r89-v65-c5785-S461794864-15.SAT.shuffled.cnf
COMMAND LINE= /tmp/evaluation/295130-1171800455/FH /tmp/evaluation/295130-1171800455/instance-295130-1171800455.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node11/watcher-295130-1171800455 -o ROOT/results/node11/solver-295130-1171800455 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/295130-1171800455/FH /tmp/evaluation/295130-1171800455/instance-295130-1171800455.cnf            

META MD5SUM SOLVER= 4ad8950502569bcbd9dc3ae819b6eefe
MD5SUM BENCH=  87601d6b29694c44112ef8c86b506fed

RANDOM SEED= 428290570

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node11.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		: 3000.243
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		: 3000.243
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:        277472 kB
Buffers:         50196 kB
Cached:        1613288 kB
SwapCached:          0 kB
Active:         249720 kB
Inactive:      1456616 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        277472 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            6340 kB
Writeback:           0 kB
Mapped:          61780 kB
Slab:            57664 kB
Committed_AS:   604596 kB
PageTables:       1756 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= 66539 MiB

End job on node11 on Sun Feb 18 12:07:44 UTC 2007