Trace number 319739

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 BASE 2007-02-08SAT 32.693 32.7106

General information on the benchmark

Nameindustrial/grieu/
vmpc_27.cnf
MD5SUM10c81d53b34b643d8b1b980e2d3fede8
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark17.9223
Satisfiable
(Un)Satisfiability was proved
Number of variables729
Number of clauses96849
Sum of the clauses size253854
Maximum clause length27
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 237989
Number of clauses of size 358806
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 554

Solver Data (download as text)

32.68/32.70	c Number of variables:  729
32.68/32.70	c Number of clauses:    96849
32.68/32.70	c DBreduced=0 GV=102[0]  GL=96951[ 96849,102] Prune=867 decisions=765 restart=0 est=0.000188426 DB Impl=14006[0]  
32.68/32.70	c DBreduced=0 GV=152[0]  GL=97001[ 96849,152] Prune=978 decisions=826 restart=1 est=0.000376594 DB Impl=21559[0]  
32.68/32.70	c DBreduced=0 GV=227[0]  GL=97076[ 96849,227] Prune=1140 decisions=913 restart=2 est=0.000188426 DB Impl=32140[0]  
32.68/32.70	c DBreduced=0 GV=338[0]  GL=97187[ 96849,338] Prune=1391 decisions=1053 restart=3 est=0.000188728 DB Impl=46442[0]  
32.68/32.70	c DBreduced=0 GV=507[0]  GL=97356[ 96849,507] Prune=1750 decisions=1243 restart=4 est=0.000376594 DB Impl=73488[0]  
32.68/32.70	c DBreduced=0 GV=760[0]  GL=97609[ 96849,760] Prune=2294 decisions=1534 restart=5 est=0.000188685 DB Impl=110265[0]  
32.68/32.70	c DBreduced=0 GV=1140[0]  GL=97989[ 96849,1140] Prune=3077 decisions=1937 restart=6 est=0.000188684 DB Impl=165340[0]  
32.68/32.70	c DBreduced=0 GV=1709[0]  GL=98558[ 96849,1709] Prune=4243 decisions=2534 restart=7 est=0.000188426 DB Impl=253664[0]  
32.68/32.70	c DBreduced=0 GV=2563[0]  GL=99412[ 96849,2563] Prune=6014 decisions=3451 restart=8 est=0.000188449 DB Impl=392837[0]  
32.68/32.70	c DBreduced=0 GV=3845[0]  GL=100694[ 96849,3845] Prune=8666 decisions=4821 restart=9 est=0.000376636 DB Impl=595292[0]  
32.68/32.70	c DBreduced=0 GV=5767[0]  GL=102616[ 96849,5767] Prune=12575 decisions=6808 restart=10 est=0.00021943 DB Impl=899002[0]  
32.68/32.70	c DBreduced=0 GV=8650[0]  GL=105499[ 96849,8650] Prune=18449 decisions=9799 restart=11 est=0.000188684 DB Impl=1349977[0]  
32.68/32.70	c DBreduced=0 GV=12975[0]  GL=109824[ 96849,12975] Prune=27309 decisions=14334 restart=12 est=0.000188426 DB Impl=1981847[0]  
32.68/32.70	c DBreduced=0 GV=19462[0]  GL=116311[ 96849,19462] Prune=40550 decisions=21088 restart=13 est=0.000188684 DB Impl=2953493[0]  
32.68/32.70	c DBreduced=0 GV=29193[0]  GL=126042[ 96849,29193] Prune=60320 decisions=31127 restart=14 est=0.000188726 DB Impl=4442518[0]  
32.68/32.70	c DBreduced=3 GV=43790[0]  GL=136691[ 96849,39842] Prune=89929 decisions=46139 restart=15 est=0.000188684 DB Impl=6694525[0]  
32.68/32.70	c DBreduced=4 GV=65685[0]  GL=137815[ 96849,40966] Prune=134288 decisions=68603 restart=16 est=0.000376594 DB Impl=10177077[0]  
32.68/32.70	c #Total time (in seconds): 32.623
32.68/32.70	c #Memory used (in MB): 30.043
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32.68/32.70	c 
32.68/32.70	s SATISFIABLE

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.1 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node71/watcher-319739-1173035255 -o ROOT/results/node71/solver-319739-1173035255 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/319739-1173035255/cmusat_base /tmp/evaluation/319739-1173035255/instance-319739-1173035255.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 0.98 0.95 3/64 2068
/proc/meminfo: memFree=1058048/2055920 swapFree=4183136/4192956
[pid=2068] ppid=2066 vsize=5212 CPUtime=0
/proc/2068/stat : 2068 (cmusat_base) R 2066 2068 1232 0 -1 4194304 412 0 0 0 0 0 0 0 18 0 1 0 323483326 5337088 394 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 135064935 0 0 4096 35 0 0 0 17 1 0 0
/proc/2068/statm: 1303 394 90 241 0 1059 0

[startup+0.0768881 s]
/proc/loadavg: 0.91 0.98 0.95 3/64 2068
/proc/meminfo: memFree=1058048/2055920 swapFree=4183136/4192956
[pid=2068] ppid=2066 vsize=6796 CPUtime=0.07
/proc/2068/stat : 2068 (cmusat_base) R 2066 2068 1232 0 -1 4194304 1283 0 0 0 7 0 0 0 18 0 1 0 323483326 6959104 1265 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 135064935 0 0 4096 35 0 0 0 17 1 0 0
/proc/2068/statm: 1699 1265 90 241 0 1455 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 6796

[startup+0.101893 s]
/proc/loadavg: 0.91 0.98 0.95 3/64 2068
/proc/meminfo: memFree=1058048/2055920 swapFree=4183136/4192956
[pid=2068] ppid=2066 vsize=7456 CPUtime=0.09
/proc/2068/stat : 2068 (cmusat_base) R 2066 2068 1232 0 -1 4194304 1625 0 0 0 9 0 0 0 18 0 1 0 323483326 7634944 1607 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 135064935 0 0 4096 35 0 0 0 17 1 0 0
/proc/2068/statm: 1864 1609 90 241 0 1620 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7456

[startup+0.301936 s]
/proc/loadavg: 0.91 0.98 0.95 3/64 2068
/proc/meminfo: memFree=1058048/2055920 swapFree=4183136/4192956
[pid=2068] ppid=2066 vsize=12860 CPUtime=0.29
/proc/2068/stat : 2068 (cmusat_base) R 2066 2068 1232 0 -1 4194304 3078 0 0 0 29 0 0 0 19 0 1 0 323483326 13168640 2301 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134560161 0 0 4096 35 0 0 0 17 1 0 0
/proc/2068/statm: 3215 2301 111 241 0 2971 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12860

[startup+0.702022 s]
/proc/loadavg: 0.91 0.98 0.95 3/64 2068
/proc/meminfo: memFree=1058048/2055920 swapFree=4183136/4192956
[pid=2068] ppid=2066 vsize=12860 CPUtime=0.69
/proc/2068/stat : 2068 (cmusat_base) R 2066 2068 1232 0 -1 4194304 3098 0 0 0 69 0 0 0 23 0 1 0 323483326 13168640 2321 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134559804 0 0 4096 35 0 0 0 17 1 0 0
/proc/2068/statm: 3215 2321 111 241 0 2971 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12860

[startup+1.50119 s]
/proc/loadavg: 0.91 0.98 0.95 2/65 2069
/proc/meminfo: memFree=1049080/2055920 swapFree=4183136/4192956
[pid=2068] ppid=2066 vsize=13520 CPUtime=1.49
/proc/2068/stat : 2068 (cmusat_base) R 2066 2068 1232 0 -1 4194304 3306 0 0 0 148 1 0 0 25 0 1 0 323483326 13844480 2529 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134560015 0 0 4096 35 0 0 0 17 1 0 0
/proc/2068/statm: 3380 2529 111 241 0 3136 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 13520

[startup+3.10154 s]
/proc/loadavg: 0.91 0.98 0.95 2/65 2069
/proc/meminfo: memFree=1047160/2055920 swapFree=4183136/4192956
[pid=2068] ppid=2066 vsize=15764 CPUtime=3.09
/proc/2068/stat : 2068 (cmusat_base) R 2066 2068 1232 0 -1 4194304 3943 0 0 0 308 1 0 0 25 0 1 0 323483326 16142336 3166 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 135064935 0 0 4096 35 0 0 0 17 1 0 0
/proc/2068/statm: 3941 3166 111 241 0 3697 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 15764

[startup+6.30123 s]
/proc/loadavg: 0.92 0.98 0.95 3/65 2069
/proc/meminfo: memFree=1042296/2055920 swapFree=4183136/4192956
[pid=2068] ppid=2066 vsize=19592 CPUtime=6.29
/proc/2068/stat : 2068 (cmusat_base) R 2066 2068 1232 0 -1 4194304 4998 0 0 0 627 2 0 0 25 0 1 0 323483326 20062208 4221 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134559800 0 0 4096 35 0 0 0 17 1 0 0
/proc/2068/statm: 4898 4221 111 241 0 4654 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 19592

[startup+12.7016 s]
/proc/loadavg: 0.93 0.98 0.95 2/65 2069
/proc/meminfo: memFree=1035128/2055920 swapFree=4183136/4192956
[pid=2068] ppid=2066 vsize=25712 CPUtime=12.69
/proc/2068/stat : 2068 (cmusat_base) R 2066 2068 1232 0 -1 4194304 7405 0 0 0 1265 4 0 0 25 0 1 0 323483326 26329088 5846 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134560023 0 0 4096 35 0 0 0 17 1 0 0
/proc/2068/statm: 6428 5846 111 241 0 6184 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 25712

[startup+25.5014 s]
/proc/loadavg: 0.94 0.98 0.95 2/65 2069
/proc/meminfo: memFree=1032568/2055920 swapFree=4183136/4192956
[pid=2068] ppid=2066 vsize=27860 CPUtime=25.48
/proc/2068/stat : 2068 (cmusat_base) R 2066 2068 1232 0 -1 4194304 8254 0 0 0 2543 5 0 0 25 0 1 0 323483326 28528640 6420 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134560110 0 0 4096 35 0 0 0 17 1 0 0
/proc/2068/statm: 6965 6420 111 241 0 6721 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 27860

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

[startup+28.7011 s]
/proc/loadavg: 0.94 0.98 0.95 2/65 2069
/proc/meminfo: memFree=1032568/2055920 swapFree=4183136/4192956
[pid=2068] ppid=2066 vsize=27860 CPUtime=28.68
/proc/2068/stat : 2068 (cmusat_base) R 2066 2068 1232 0 -1 4194304 8268 0 0 0 2863 5 0 0 25 0 1 0 323483326 28528640 6434 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134559860 0 0 4096 35 0 0 0 17 1 0 0
/proc/2068/statm: 6965 6434 111 241 0 6721 0
Current children cumulated CPU time (s) 28.68
Current children cumulated vsize (KiB) 27860

[startup+30.3014 s]
/proc/loadavg: 0.95 0.98 0.95 2/65 2069
/proc/meminfo: memFree=1031864/2055920 swapFree=4183136/4192956
[pid=2068] ppid=2066 vsize=29048 CPUtime=30.28
/proc/2068/stat : 2068 (cmusat_base) R 2066 2068 1232 0 -1 4194304 8546 0 0 0 3022 6 0 0 25 0 1 0 323483326 29745152 6712 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134559940 0 0 4096 35 0 0 0 17 1 0 0
/proc/2068/statm: 7262 6712 111 241 0 7018 0
Current children cumulated CPU time (s) 30.28
Current children cumulated vsize (KiB) 29048

[startup+31.9058 s]
/proc/loadavg: 0.95 0.98 0.95 2/65 2069
/proc/meminfo: memFree=1030264/2055920 swapFree=4183136/4192956
[pid=2068] ppid=2066 vsize=30104 CPUtime=31.88
/proc/2068/stat : 2068 (cmusat_base) R 2066 2068 1232 0 -1 4194304 8843 0 0 0 3182 6 0 0 25 0 1 0 323483326 30826496 7009 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134560092 0 0 4096 35 0 0 0 17 1 0 0
/proc/2068/statm: 7526 7009 111 241 0 7282 0
Current children cumulated CPU time (s) 31.88
Current children cumulated vsize (KiB) 30104

[startup+32.3019 s]
/proc/loadavg: 0.95 0.98 0.95 2/65 2069
/proc/meminfo: memFree=1030264/2055920 swapFree=4183136/4192956
[pid=2068] ppid=2066 vsize=30500 CPUtime=32.28
/proc/2068/stat : 2068 (cmusat_base) R 2066 2068 1232 0 -1 4194304 8935 0 0 0 3222 6 0 0 25 0 1 0 323483326 31232000 7101 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134559940 0 0 4096 35 0 0 0 17 1 0 0
/proc/2068/statm: 7625 7101 111 241 0 7381 0
Current children cumulated CPU time (s) 32.28
Current children cumulated vsize (KiB) 30500

[startup+32.7019 s]
/proc/loadavg: 0.95 0.98 0.95 2/65 2069
/proc/meminfo: memFree=1030264/2055920 swapFree=4183136/4192956
[pid=2068] ppid=2066 vsize=30764 CPUtime=32.68
/proc/2068/stat : 2068 (cmusat_base) R 2066 2068 1232 0 -1 4194304 9019 0 0 0 3262 6 0 0 25 0 1 0 323483326 31502336 7185 18446744073709551615 134512640 135500113 4294956704 18446744073709551615 134559914 0 0 4096 35 0 0 0 17 1 0 0
/proc/2068/statm: 7691 7185 111 241 0 7447 0
Current children cumulated CPU time (s) 32.68
Current children cumulated vsize (KiB) 30764

Child status: 10
Real time (s): 32.7106
CPU time (s): 32.693
CPU user time (s): 32.623
CPU system time (s): 0.069989
CPU usage (%): 99.9464
Max. virtual memory (cumulated for all children) (KiB): 30764

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 32.623
system time used= 0.069989
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9029
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= 7
involuntary context switches= 63

runsolver used 0.033994 second user time and 0.06499 second system time

The end

Launcher Data (download as text)

Begin job on node71 on Sun Mar  4 19:07:35 UTC 2007

IDJOB= 319739
IDBENCH= 20486
IDSOLVER= 120
FILE ID= node71/319739-1173035255

PBS_JOBID= 4012437

Free space on /tmp= 66489 MiB

SOLVER NAME= CMUSAT BASE 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/grieu/vmpc_27.cnf
COMMAND LINE= /tmp/evaluation/319739-1173035255/cmusat_base /tmp/evaluation/319739-1173035255/instance-319739-1173035255.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node71/watcher-319739-1173035255 -o ROOT/results/node71/solver-319739-1173035255 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/319739-1173035255/cmusat_base /tmp/evaluation/319739-1173035255/instance-319739-1173035255.cnf            

META MD5SUM SOLVER= af990fb12f8926fdd756b397adb3b5cf
MD5SUM BENCH=  10c81d53b34b643d8b1b980e2d3fede8

RANDOM SEED= 696884714

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node71.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		: 3000.266
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		: 3000.266
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:       1058520 kB
Buffers:         43308 kB
Cached:         856772 kB
SwapCached:       4184 kB
Active:         395848 kB
Inactive:       517456 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1058520 kB
SwapTotal:     4192956 kB
SwapFree:      4183136 kB
Dirty:            3772 kB
Writeback:           0 kB
Mapped:          18852 kB
Slab:            70136 kB
Committed_AS:   872040 kB
PageTables:       1460 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= 66489 MiB

End job on node71 on Sun Mar  4 19:08:08 UTC 2007