Trace number 311124

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 13.8919 13.9096

General information on the benchmark

Namerandom/2+p/p0.8/v1295/
unif2p-p0.8-v1295-c4027-S1476745538-08-SAT.cnf
MD5SUMc77e3fe2797ba24ba2baccdc1afa561c
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.028995
Satisfiable
(Un)Satisfiability was proved
Number of variables1294
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 Pre-processing provided 0 assignments
0.00/0.00	c |  Number of variables:  1295                                                 |
0.00/0.00	c |  Number of clauses:    4026                                                 |
13.81/13.90	c |  Parsing time:         0.01         sec                                       |
13.81/13.90	c #varS 1295 #clauseS 3753
13.81/13.90	c REMAP internally 1
13.81/13.90	c After remapping new number of variables: 1097
13.81/13.90	c DBreduced=0 GV=101[0]  GL=3853[ 3753,100] Prune=326 decisions=225 restart=0 est=0.0913249 DB Impl=16272[0]  
13.81/13.90	c DBreduced=0 GV=151[0]  GL=3903[ 3753,150] Prune=466 decisions=315 restart=1 est=0.0912409 DB Impl=24202[0]  
13.81/13.90	c DBreduced=0 GV=226[0]  GL=3978[ 3753,225] Prune=652 decisions=426 restart=2 est=0.0916564 DB Impl=36950[0]  
13.81/13.90	c DBreduced=0 GV=338[0]  GL=4090[ 3753,337] Prune=942 decisions=604 restart=3 est=0.091906 DB Impl=55101[0]  
13.81/13.90	c DBreduced=0 GV=507[0]  GL=4259[ 3753,506] Prune=1344 decisions=837 restart=4 est=0.0912411 DB Impl=83881[0]  
13.81/13.90	c DBreduced=0 GV=760[0]  GL=4512[ 3753,759] Prune=1947 decisions=1187 restart=5 est=0.0914076 DB Impl=125747[0]  
13.81/13.90	c DBreduced=0 GV=1141[0]  GL=4893[ 3753,1140] Prune=2838 decisions=1697 restart=6 est=0.0915736 DB Impl=186927[0]  
13.81/13.90	c DBreduced=0 GV=1709[0]  GL=5461[ 3753,1708] Prune=4242 decisions=2533 restart=7 est=0.0912409 DB Impl=276790[0]  
13.81/13.90	c DBreduced=3 GV=2564[0]  GL=5016[ 3753,1263] Prune=6203 decisions=3639 restart=8 est=0.0916571 DB Impl=419722[0]  
13.81/13.90	c DBreduced=4 GV=3845[0]  GL=5125[ 3753,1372] Prune=9229 decisions=5384 restart=9 est=0.0917395 DB Impl=630628[0]  
13.81/13.90	c DBreduced=5 GV=5767[0]  GL=5984[ 3753,2231] Prune=13699 decisions=7932 restart=10 est=0.0916567 DB Impl=949660[0]  
13.81/13.90	c DBreduced=7 GV=8650[0]  GL=6283[ 3753,2530] Prune=20306 decisions=11656 restart=11 est=0.0912411 DB Impl=1427738[0]  
13.81/13.90	c DBreduced=9 GV=12975[0]  GL=7630[ 3753,3877] Prune=30083 decisions=17108 restart=12 est=0.091241 DB Impl=2144140[0]  
13.81/13.90	c DBreduced=12 GV=19462[0]  GL=8616[ 3753,4863] Prune=44855 decisions=25393 restart=13 est=0.0912415 DB Impl=3227921[0]  
13.81/13.90	c DBreduced=15 GV=29194[0]  GL=11052[ 3753,7299] Prune=66764 decisions=37570 restart=14 est=0.0914902 DB Impl=4863188[0]  
13.81/13.90	c DBreduced=19 GV=43790[0]  GL=12199[ 3753,8446] Prune=99745 decisions=55955 restart=15 est=0.0915742 DB Impl=7366435[0]  
13.81/13.90	c DBreduced=23 GV=65687[0]  GL=14499[ 3753,10746] Prune=148535 decisions=82848 restart=16 est=0.0918226 DB Impl=11032886[0]  
13.81/13.90	c After partial model completion 1097 assignments
13.81/13.90	c REMAP internally 0
13.81/13.90	c Number of variables:  1295
13.81/13.90	c Number of clauses:    4026
13.81/13.90	c #Total time (in seconds): 13.8799
13.81/13.90	c #Memory used (in MB): 5.80078
13.81/13.90	c 
13.81/13.90	s SATISFIABLE
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1291 -1292 -1293 -1294 -1295 0

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/node13/watcher-311124-1172564543 -o ROOT/results/node13/solver-311124-1172564543 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/311124-1172564543/cmusat /tmp/evaluation/311124-1172564543/instance-311124-1172564543.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: 0.97 0.97 0.98 3/77 24947
/proc/meminfo: memFree=1711712/2055920 swapFree=4192812/4192956
[pid=24947] ppid=24945 vsize=2584 CPUtime=0
/proc/24947/stat : 24947 (cmusat) R 24945 24947 23333 0 -1 4194304 236 0 0 0 0 0 0 0 18 0 1 0 276408723 2646016 219 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 0 0 0
/proc/24947/statm: 646 219 96 243 0 400 0

[startup+0.107239 s]
/proc/loadavg: 0.97 0.97 0.98 3/77 24947
/proc/meminfo: memFree=1711712/2055920 swapFree=4192812/4192956
[pid=24947] ppid=24945 vsize=2800 CPUtime=0.1
/proc/24947/stat : 24947 (cmusat) R 24945 24947 23333 0 -1 4194304 341 0 0 0 10 0 0 0 18 0 1 0 276408723 2867200 324 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134589823 0 0 4096 35 0 0 0 17 0 0 0
/proc/24947/statm: 700 324 118 243 0 454 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2800

[startup+0.515294 s]
/proc/loadavg: 0.97 0.97 0.98 3/77 24947
/proc/meminfo: memFree=1711712/2055920 swapFree=4192812/4192956
[pid=24947] ppid=24945 vsize=3416 CPUtime=0.51
/proc/24947/stat : 24947 (cmusat) R 24945 24947 23333 0 -1 4194304 469 0 0 0 51 0 0 0 22 0 1 0 276408723 3497984 452 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 135090938 0 0 4096 35 0 0 0 17 0 0 0
/proc/24947/statm: 854 452 118 243 0 608 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 3416

[startup+1.3354 s]
/proc/loadavg: 0.97 0.97 0.98 2/78 24948
/proc/meminfo: memFree=1709976/2055920 swapFree=4192812/4192956
[pid=24947] ppid=24945 vsize=4460 CPUtime=1.33
/proc/24947/stat : 24947 (cmusat) R 24945 24947 23333 0 -1 4194304 706 0 0 0 133 0 0 0 25 0 1 0 276408723 4567040 689 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134592192 0 0 4096 35 0 0 0 17 0 0 0
/proc/24947/statm: 1115 689 118 243 0 869 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 4460

[startup+2.97262 s]
/proc/loadavg: 0.97 0.97 0.98 2/78 24948
/proc/meminfo: memFree=1708952/2055920 swapFree=4192812/4192956
[pid=24947] ppid=24945 vsize=4576 CPUtime=2.96
/proc/24947/stat : 24947 (cmusat) R 24945 24947 23333 0 -1 4194304 742 0 0 0 296 0 0 0 25 0 1 0 276408723 4685824 725 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134589601 0 0 4096 35 0 0 0 17 0 0 0
/proc/24947/statm: 1144 725 118 243 0 898 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 4576

[startup+6.25706 s]
/proc/loadavg: 0.97 0.97 0.98 2/78 24948
/proc/meminfo: memFree=1708264/2055920 swapFree=4192812/4192956
[pid=24947] ppid=24945 vsize=5664 CPUtime=6.24
/proc/24947/stat : 24947 (cmusat) R 24945 24947 23333 0 -1 4194304 1024 0 0 0 624 0 0 0 25 0 1 0 276408723 5799936 1007 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134592080 0 0 4096 35 0 0 0 17 0 0 0
/proc/24947/statm: 1416 1007 118 243 0 1170 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 5664

[startup+12.7109 s]
/proc/loadavg: 0.97 0.97 0.98 2/78 24948
/proc/meminfo: memFree=1705272/2055920 swapFree=4192812/4192956
[pid=24947] ppid=24945 vsize=8444 CPUtime=12.68
/proc/24947/stat : 24947 (cmusat) R 24945 24947 23333 0 -1 4194304 1737 0 0 0 1268 0 0 0 25 0 1 0 276408723 8646656 1643 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134589524 0 0 4096 35 0 0 0 17 0 0 0
/proc/24947/statm: 2111 1643 118 243 0 1865 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 8444

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

[startup+13.122 s]
/proc/loadavg: 0.97 0.97 0.98 2/78 24948
/proc/meminfo: memFree=1705272/2055920 swapFree=4192812/4192956
[pid=24947] ppid=24945 vsize=8444 CPUtime=13.09
/proc/24947/stat : 24947 (cmusat) R 24945 24947 23333 0 -1 4194304 1739 0 0 0 1309 0 0 0 25 0 1 0 276408723 8646656 1645 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134592013 0 0 4096 35 0 0 0 17 0 0 0
/proc/24947/statm: 2111 1645 118 243 0 1865 0
Current children cumulated CPU time (s) 13.09
Current children cumulated vsize (KiB) 8444

[startup+13.534 s]
/proc/loadavg: 0.97 0.97 0.98 2/78 24948
/proc/meminfo: memFree=1705280/2055920 swapFree=4192812/4192956
[pid=24947] ppid=24945 vsize=8288 CPUtime=13.51
/proc/24947/stat : 24947 (cmusat) R 24945 24947 23333 0 -1 4194304 1749 0 0 0 1351 0 0 0 25 0 1 0 276408723 8486912 1616 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134589690 0 0 4096 35 0 0 0 17 0 0 0
/proc/24947/statm: 2072 1616 118 243 0 1826 0
Current children cumulated CPU time (s) 13.51
Current children cumulated vsize (KiB) 8288

[startup+13.7431 s]
/proc/loadavg: 0.97 0.97 0.98 2/78 24948
/proc/meminfo: memFree=1705280/2055920 swapFree=4192812/4192956
[pid=24947] ppid=24945 vsize=8288 CPUtime=13.71
/proc/24947/stat : 24947 (cmusat) R 24945 24947 23333 0 -1 4194304 1749 0 0 0 1371 0 0 0 25 0 1 0 276408723 8486912 1616 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134589736 0 0 4096 35 0 0 0 17 0 0 0
/proc/24947/statm: 2072 1616 118 243 0 1826 0
Current children cumulated CPU time (s) 13.71
Current children cumulated vsize (KiB) 8288

[startup+13.8451 s]
/proc/loadavg: 0.97 0.97 0.98 2/78 24948
/proc/meminfo: memFree=1705280/2055920 swapFree=4192812/4192956
[pid=24947] ppid=24945 vsize=8288 CPUtime=13.81
/proc/24947/stat : 24947 (cmusat) R 24945 24947 23333 0 -1 4194304 1749 0 0 0 1381 0 0 0 25 0 1 0 276408723 8486912 1616 18446744073709551615 134512640 135508737 4294956704 18446744073709551615 134580870 0 0 4096 35 0 0 0 17 0 0 0
/proc/24947/statm: 2072 1616 118 243 0 1826 0
Current children cumulated CPU time (s) 13.81
Current children cumulated vsize (KiB) 8288

Child status: 10
Real time (s): 13.9096
CPU time (s): 13.8919
CPU user time (s): 13.8809
CPU system time (s): 0.010998
CPU usage (%): 99.8726
Max. virtual memory (cumulated for all children) (KiB): 8444

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 13.8809
system time used= 0.010998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1761
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= 120

runsolver used 0.013997 second user time and 0.042993 second system time

The end

Launcher Data (download as text)

Begin job on node13 on Tue Feb 27 08:22:23 UTC 2007

IDJOB= 311124
IDBENCH= 20305
IDSOLVER= 121
FILE ID= node13/311124-1172564543

PBS_JOBID= 3971661

Free space on /tmp= 66554 MiB

SOLVER NAME= CMUSAT 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1295/unif2p-p0.8-v1295-c4027-S1476745538-08-SAT.cnf
COMMAND LINE= /tmp/evaluation/311124-1172564543/cmusat /tmp/evaluation/311124-1172564543/instance-311124-1172564543.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node13/watcher-311124-1172564543 -o ROOT/results/node13/solver-311124-1172564543 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/311124-1172564543/cmusat /tmp/evaluation/311124-1172564543/instance-311124-1172564543.cnf            

META MD5SUM SOLVER= af990fb12f8926fdd756b397adb3b5cf
MD5SUM BENCH=  c77e3fe2797ba24ba2baccdc1afa561c

RANDOM SEED= 677460477

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node13.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		: 3000.236
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		: 3000.236
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:       1712056 kB
Buffers:         42308 kB
Cached:         183316 kB
SwapCached:          0 kB
Active:         239352 kB
Inactive:        40864 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1712056 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2648 kB
Writeback:           0 kB
Mapped:          73472 kB
Slab:            49144 kB
Committed_AS:  1083624 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= 66554 MiB

End job on node13 on Tue Feb 27 08:22:37 UTC 2007