Trace number 367437

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
CMUSAT 2007-02-08SAT 5.80812 5.81012

General information on the benchmark

Nameindustrial/grieu/
vmpc_28.cnf
MD5SUM2679ca6fb11bcf9f950de09652ce7147
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark5.80812
Satisfiable
(Un)Satisfiability was proved
Number of variables784
Number of clauses108080
Sum of the clauses size283220
Maximum clause length28
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 242420
Number of clauses of size 365604
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 556

Solver Data (download as text)

0.00/0.00	c Pre-processing provided 0 assignments
0.00/0.00	c |  Number of variables:  784                                                  |
0.01/0.09	c |  Number of clauses:    108080                                               |
5.79/5.80	c |  Parsing time:         0.08         sec                                       |
5.79/5.80	c #varS 784 #clauseS 80113
5.79/5.80	c REMAP internally 1
5.79/5.80	c After remapping new number of variables: 784
5.79/5.80	c DBreduced=0 GV=101[0]  GL=80214[ 80113,101] Prune=788 decisions=687 restart=0 est=0.0001629 DB Impl=14386[0]  
5.79/5.80	c DBreduced=0 GV=151[0]  GL=80264[ 80113,151] Prune=903 decisions=752 restart=1 est=0.000325593 DB Impl=24899[0]  
5.79/5.80	c DBreduced=0 GV=226[0]  GL=80339[ 80113,226] Prune=1079 decisions=853 restart=2 est=0.0001629 DB Impl=35147[0]  
5.79/5.80	c DBreduced=0 GV=338[0]  GL=80451[ 80113,338] Prune=1317 decisions=979 restart=3 est=0.000325593 DB Impl=54313[0]  
5.79/5.80	c DBreduced=0 GV=507[0]  GL=80620[ 80113,507] Prune=1683 decisions=1176 restart=4 est=0.0001629 DB Impl=79973[0]  
5.79/5.80	c DBreduced=0 GV=760[0]  GL=80873[ 80113,760] Prune=2217 decisions=1457 restart=5 est=0.000163108 DB Impl=123477[0]  
5.79/5.80	c DBreduced=0 GV=1140[0]  GL=81253[ 80113,1140] Prune=3001 decisions=1861 restart=6 est=0.0001629 DB Impl=185684[0]  
5.79/5.80	c DBreduced=0 GV=1709[0]  GL=81822[ 80113,1709] Prune=4158 decisions=2449 restart=7 est=0.0001629 DB Impl=260848[0]  
5.79/5.80	c DBreduced=0 GV=2564[0]  GL=82677[ 80113,2564] Prune=5926 decisions=3362 restart=8 est=0.000162919 DB Impl=394336[0]  
5.79/5.80	c DBreduced=0 GV=3846[0]  GL=83959[ 80113,3846] Prune=8540 decisions=4694 restart=9 est=0.000163108 DB Impl=613191[0]  
5.79/5.80	c DBreduced=0 GV=5767[0]  GL=85880[ 80113,5767] Prune=12448 decisions=6681 restart=10 est=0.0001629 DB Impl=942194[0]  
5.79/5.80	c DBreduced=0 GV=8650[0]  GL=88763[ 80113,8650] Prune=18344 decisions=9694 restart=11 est=0.0001629 DB Impl=1423399[0]  
5.79/5.80	c DBreduced=0 GV=12975[0]  GL=93088[ 80113,12975] Prune=27127 decisions=14152 restart=12 est=0.0001629 DB Impl=2090481[0]  
5.79/5.80	c DBreduced=0 GV=19462[0]  GL=99575[ 80113,19462] Prune=40264 decisions=20802 restart=13 est=0.000162919 DB Impl=3202774[0]  
5.79/5.80	c After partial model completion 784 assignments
5.79/5.80	c REMAP internally 0
5.79/5.80	c Number of variables:  784
5.79/5.80	c Number of clauses:    108080
5.79/5.80	c #Total time (in seconds): 5.77612
5.79/5.80	c #Memory used (in MB): 10.6367
5.79/5.80	c 
5.79/5.80	s SATISFIABLE
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Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node18/watcher-367437-1177551274 -o ROOT/results/node18/solver-367437-1177551274 -C 5000 -W 7500 -M 1800 --output-limit 1,15 /tmp/evaluation/367437-1177551274/cmusat /tmp/evaluation/367437-1177551274/instance-367437-1177551274.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 7500 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 1.00 0.93 3/77 1112
/proc/meminfo: memFree=1537992/2055920 swapFree=4147180/4192956
[pid=1112] ppid=1110 vsize=2324 CPUtime=0
/proc/1112/stat : 1112 (cmusat) R 1110 1112 371 0 -1 4194304 439 0 0 0 0 0 0 0 18 0 1 0 203044841 2379776 423 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135095640 0 0 4096 35 0 0 0 17 1 0 0
/proc/1112/statm: 581 423 96 243 0 335 0

[startup+0.023248 s]
/proc/loadavg: 0.99 1.00 0.93 3/77 1112
/proc/meminfo: memFree=1537992/2055920 swapFree=4147180/4192956
[pid=1112] ppid=1110 vsize=3576 CPUtime=0.01
/proc/1112/stat : 1112 (cmusat) R 1110 1112 371 0 -1 4194304 728 0 0 0 1 0 0 0 18 0 1 0 203044841 3661824 712 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/1112/statm: 894 713 96 243 0 648 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 3576

[startup+0.101254 s]
/proc/loadavg: 0.99 1.00 0.93 3/77 1112
/proc/meminfo: memFree=1537992/2055920 swapFree=4147180/4192956
[pid=1112] ppid=1110 vsize=8488 CPUtime=0.09
/proc/1112/stat : 1112 (cmusat) R 1110 1112 371 0 -1 4194304 1910 0 0 0 9 0 0 0 18 0 1 0 203044841 8691712 1894 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134530543 0 0 4096 35 0 0 0 17 1 0 0
/proc/1112/statm: 2122 1894 107 243 0 1876 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8488

[startup+0.301274 s]
/proc/loadavg: 0.99 1.00 0.93 3/77 1112
/proc/meminfo: memFree=1537992/2055920 swapFree=4147180/4192956
[pid=1112] ppid=1110 vsize=8488 CPUtime=0.29
/proc/1112/stat : 1112 (cmusat) R 1110 1112 371 0 -1 4194304 1913 0 0 0 29 0 0 0 19 0 1 0 203044841 8691712 1897 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134530555 0 0 4096 35 0 0 0 17 1 0 0
/proc/1112/statm: 2122 1897 107 243 0 1876 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8488

[startup+0.701313 s]
/proc/loadavg: 0.99 1.00 0.93 3/77 1112
/proc/meminfo: memFree=1537992/2055920 swapFree=4147180/4192956
[pid=1112] ppid=1110 vsize=8488 CPUtime=0.69
/proc/1112/stat : 1112 (cmusat) R 1110 1112 371 0 -1 4194304 1919 0 0 0 69 0 0 0 22 0 1 0 203044841 8691712 1903 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134530328 0 0 4096 35 0 0 0 17 1 0 0
/proc/1112/statm: 2122 1903 107 243 0 1876 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 8488

[startup+1.50139 s]
/proc/loadavg: 0.99 1.00 0.93 2/78 1113
/proc/meminfo: memFree=1530432/2055920 swapFree=4147180/4192956
[pid=1112] ppid=1110 vsize=11644 CPUtime=1.49
/proc/1112/stat : 1112 (cmusat) R 1110 1112 371 0 -1 4194304 4371 0 0 0 148 1 0 0 25 0 1 0 203044841 11923456 2150 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134592252 0 0 4096 35 0 0 0 17 1 0 0
/proc/1112/statm: 2911 2150 118 243 0 2665 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 11644

[startup+3.10154 s]
/proc/loadavg: 0.99 1.00 0.93 2/78 1113
/proc/meminfo: memFree=1529472/2055920 swapFree=4147180/4192956
[pid=1112] ppid=1110 vsize=13228 CPUtime=3.09
/proc/1112/stat : 1112 (cmusat) R 1110 1112 371 0 -1 4194304 4837 0 0 0 307 2 0 0 25 0 1 0 203044841 13545472 2616 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134589524 0 0 4096 35 0 0 0 17 1 0 0
/proc/1112/statm: 3307 2616 118 243 0 3061 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 13228

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

[startup+4.7017 s]
/proc/loadavg: 0.99 1.00 0.93 2/78 1113
/proc/meminfo: memFree=1525632/2055920 swapFree=4147180/4192956
[pid=1112] ppid=1110 vsize=15604 CPUtime=4.69
/proc/1112/stat : 1112 (cmusat) R 1110 1112 371 0 -1 4194304 5497 0 0 0 467 2 0 0 25 0 1 0 203044841 15978496 3276 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134589684 0 0 4096 35 0 0 0 17 1 0 0
/proc/1112/statm: 3901 3276 118 243 0 3655 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 15604

[startup+5.50578 s]
/proc/loadavg: 0.99 1.00 0.93 2/78 1113
/proc/meminfo: memFree=1523904/2055920 swapFree=4147180/4192956
[pid=1112] ppid=1110 vsize=16792 CPUtime=5.49
/proc/1112/stat : 1112 (cmusat) R 1110 1112 371 0 -1 4194304 5808 0 0 0 547 2 0 0 25 0 1 0 203044841 17195008 3587 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/1112/statm: 4198 3587 118 243 0 3952 0
Current children cumulated CPU time (s) 5.49
Current children cumulated vsize (KiB) 16792

[startup+5.7018 s]
/proc/loadavg: 0.99 1.00 0.93 2/78 1113
/proc/meminfo: memFree=1523904/2055920 swapFree=4147180/4192956
[pid=1112] ppid=1110 vsize=10896 CPUtime=5.69
/proc/1112/stat : 1112 (cmusat) R 1110 1112 371 0 -1 4194304 5872 0 0 0 567 2 0 0 25 0 1 0 203044841 11157504 2563 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135107896 0 0 4096 35 0 0 0 17 1 0 0
/proc/1112/statm: 2724 2563 118 243 0 2478 0
Current children cumulated CPU time (s) 5.69
Current children cumulated vsize (KiB) 10896

[startup+5.8018 s]
/proc/loadavg: 0.99 1.00 0.93 2/78 1113
/proc/meminfo: memFree=1523904/2055920 swapFree=4147180/4192956
[pid=1112] ppid=1110 vsize=10896 CPUtime=5.79
/proc/1112/stat : 1112 (cmusat) R 1110 1112 371 0 -1 4194304 5872 0 0 0 577 2 0 0 25 0 1 0 203044841 11157504 2563 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135097707 0 0 4096 35 0 0 0 17 1 0 0
/proc/1112/statm: 2724 2563 118 243 0 2478 0
Current children cumulated CPU time (s) 5.79
Current children cumulated vsize (KiB) 10896

Child status: 10
Real time (s): 5.81012
CPU time (s): 5.80812
CPU user time (s): 5.77612
CPU system time (s): 0.031995
CPU usage (%): 99.9655
Max. virtual memory (cumulated for all children) (KiB): 16924

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 5.77612
system time used= 0.031995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 5884
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= 6

runsolver used 0.007998 second user time and 0.019996 second system time

The end

Launcher Data (download as text)

Begin job on node18 on Thu Apr 26 01:34:35 UTC 2007

IDJOB= 367437
IDBENCH= 20492
IDSOLVER= 173
FILE ID= node18/367437-1177551274

PBS_JOBID= 4696624

Free space on /tmp= 66487 MiB

SOLVER NAME= CMUSAT 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/grieu/vmpc_28.cnf
COMMAND LINE= /tmp/evaluation/367437-1177551274/cmusat /tmp/evaluation/367437-1177551274/instance-367437-1177551274.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node18/watcher-367437-1177551274 -o ROOT/results/node18/solver-367437-1177551274 -C 5000 -W 7500 -M 1800 --output-limit 1,15  /tmp/evaluation/367437-1177551274/cmusat /tmp/evaluation/367437-1177551274/instance-367437-1177551274.cnf            

META MD5SUM SOLVER= d41d8cd98f00b204e9800998ecf8427e
MD5SUM BENCH=  2679ca6fb11bcf9f950de09652ce7147

RANDOM SEED= 205839627

TIME LIMIT= 5000 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:       1538400 kB
Buffers:         46280 kB
Cached:         382592 kB
SwapCached:      14828 kB
Active:         219084 kB
Inactive:       235992 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1538400 kB
SwapTotal:     4192956 kB
SwapFree:      4147180 kB
Dirty:            3956 kB
Writeback:           0 kB
Mapped:          32904 kB
Slab:            47968 kB
Committed_AS:  5465332 kB
PageTables:       1784 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= 66487 MiB

End job on node18 on Thu Apr 26 01:34:41 UTC 2007