Trace number 370019

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 2007-02-08UNSAT 7.72782 7.72988

General information on the benchmark

Namecrafted/spence/
medium/s57-100.cnf
MD5SUM4dc4c11d420a4a03c2a3fdf77861be5d
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark1.34979
Satisfiable
(Un)Satisfiability was proved
Number of variables57
Number of clauses124
Sum of the clauses size372
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 3124
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:  57                                                   |
0.00/0.00	c |  Number of clauses:    124                                                  |
7.69/7.72	c |  Parsing time:         -0.00        sec                                       |
7.69/7.72	c #varS 57 #clauseS 124
7.69/7.72	c REMAP internally 1
7.69/7.72	c After remapping new number of variables: 57
7.69/7.72	c DBreduced=0 GV=101[0]  GL=225[ 124,101] Prune=218 decisions=117 restart=0 est=0.0313283 DB Impl=2197[0]  
7.69/7.72	c DBreduced=0 GV=151[0]  GL=275[ 124,151] Prune=351 decisions=200 restart=1 est=0.0313283 DB Impl=3083[0]  
7.69/7.72	c DBreduced=0 GV=226[0]  GL=350[ 124,226] Prune=543 decisions=317 restart=2 est=0.0313283 DB Impl=4729[0]  
7.69/7.72	c DBreduced=0 GV=339[0]  GL=463[ 124,339] Prune=818 decisions=479 restart=3 est=0.0313283 DB Impl=7143[0]  
7.69/7.72	c DBreduced=0 GV=509[0]  GL=633[ 124,509] Prune=1200 decisions=691 restart=4 est=0.0313283 DB Impl=10623[0]  
7.69/7.72	c DBreduced=3 GV=760[0]  GL=839[ 124,715] Prune=1748 decisions=988 restart=5 est=0.0313293 DB Impl=15268[0]  
7.69/7.72	c DBreduced=4 GV=1140[0]  GL=862[ 124,738] Prune=2538 decisions=1398 restart=6 est=0.0313283 DB Impl=22405[0]  
7.69/7.72	c DBreduced=6 GV=1709[0]  GL=713[ 124,589] Prune=3737 decisions=2028 restart=7 est=0.0313295 DB Impl=33590[0]  
7.69/7.72	c DBreduced=7 GV=2563[0]  GL=1138[ 124,1014] Prune=5501 decisions=2938 restart=8 est=0.0313283 DB Impl=51632[0]  
7.69/7.72	c DBreduced=10 GV=3846[0]  GL=1033[ 124,909] Prune=8167 decisions=4321 restart=9 est=0.0313283 DB Impl=78111[0]  
7.69/7.72	c DBreduced=12 GV=5768[0]  GL=1783[ 124,1659] Prune=12202 decisions=6434 restart=10 est=0.0313283 DB Impl=115609[0]  
7.69/7.72	c DBreduced=15 GV=8650[0]  GL=2362[ 124,2238] Prune=18213 decisions=9563 restart=11 est=0.0313481 DB Impl=174878[0]  
7.69/7.72	c DBreduced=19 GV=12975[0]  GL=2431[ 124,2307] Prune=27218 decisions=14243 restart=12 est=0.0313285 DB Impl=260266[0]  
7.69/7.72	c DBreduced=22 GV=19462[0]  GL=4547[ 124,4423] Prune=40813 decisions=21351 restart=13 est=0.0318685 DB Impl=389327[0]  
7.69/7.72	c DBreduced=26 GV=29193[0]  GL=6219[ 124,6095] Prune=61290 decisions=32097 restart=14 est=0.0318883 DB Impl=582534[0]  
7.69/7.72	c DBreduced=30 GV=43790[0]  GL=9064[ 124,8940] Prune=91679 decisions=47889 restart=15 est=0.0325125 DB Impl=865108[0]  
7.69/7.72	c DBreduced=35 GV=65685[0]  GL=8596[ 124,8472] Prune=137380 decisions=71695 restart=16 est=1.78679 DB Impl=1267200[0]  
7.69/7.72	c #Total time (in seconds): 7.71883
7.69/7.72	c #Memory used (in MB): 5.97656
7.69/7.72	c 
7.69/7.72	s UNSATISFIABLE

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node13/watcher-370019-1177550750 -o ROOT/results/node13/solver-370019-1177550750 -C 5000 -W 7500 -M 1800 --output-limit 1,15 /tmp/evaluation/370019-1177550750/cmusat /tmp/evaluation/370019-1177550750/instance-370019-1177550750.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: 0.92 0.98 0.90 3/77 7942
/proc/meminfo: memFree=1608240/2055920 swapFree=4159400/4192956
[pid=7942] ppid=7940 vsize=2180 CPUtime=0
/proc/7942/stat : 7942 (cmusat) R 7940 7942 7237 0 -1 4194304 159 0 0 0 0 0 0 0 18 0 1 0 202992824 2232320 143 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134581507 0 0 4096 35 0 0 0 17 1 0 0
/proc/7942/statm: 545 143 118 243 0 299 0

[startup+0.025313 s]
/proc/loadavg: 0.92 0.98 0.90 3/77 7942
/proc/meminfo: memFree=1608240/2055920 swapFree=4159400/4192956
[pid=7942] ppid=7940 vsize=2180 CPUtime=0.02
/proc/7942/stat : 7942 (cmusat) R 7940 7942 7237 0 -1 4194304 178 0 0 0 2 0 0 0 18 0 1 0 202992824 2232320 162 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134589498 0 0 4096 35 0 0 0 17 1 0 0
/proc/7942/statm: 545 162 118 243 0 299 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 2180

[startup+0.101328 s]
/proc/loadavg: 0.92 0.98 0.90 3/77 7942
/proc/meminfo: memFree=1608240/2055920 swapFree=4159400/4192956
[pid=7942] ppid=7940 vsize=2316 CPUtime=0.1
/proc/7942/stat : 7942 (cmusat) R 7940 7942 7237 0 -1 4194304 209 0 0 0 10 0 0 0 18 0 1 0 202992824 2371584 193 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134589524 0 0 4096 35 0 0 0 17 1 0 0
/proc/7942/statm: 579 193 118 243 0 333 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2316

[startup+0.301371 s]
/proc/loadavg: 0.92 0.98 0.90 3/77 7942
/proc/meminfo: memFree=1608240/2055920 swapFree=4159400/4192956
[pid=7942] ppid=7940 vsize=2580 CPUtime=0.3
/proc/7942/stat : 7942 (cmusat) R 7940 7942 7237 0 -1 4194304 269 0 0 0 30 0 0 0 19 0 1 0 202992824 2641920 253 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134589515 0 0 4096 35 0 0 0 17 1 0 0
/proc/7942/statm: 645 253 118 243 0 399 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 2580

[startup+0.701456 s]
/proc/loadavg: 0.92 0.98 0.90 3/77 7942
/proc/meminfo: memFree=1608240/2055920 swapFree=4159400/4192956
[pid=7942] ppid=7940 vsize=3068 CPUtime=0.7
/proc/7942/stat : 7942 (cmusat) R 7940 7942 7237 0 -1 4194304 375 0 0 0 70 0 0 0 23 0 1 0 202992824 3141632 359 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134590173 0 0 4096 35 0 0 0 17 1 0 0
/proc/7942/statm: 767 359 118 243 0 521 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 3068

[startup+1.50163 s]
/proc/loadavg: 0.92 0.98 0.90 2/78 7943
/proc/meminfo: memFree=1607080/2055920 swapFree=4159400/4192956
[pid=7942] ppid=7940 vsize=3396 CPUtime=1.49
/proc/7942/stat : 7942 (cmusat) R 7940 7942 7237 0 -1 4194304 448 0 0 0 149 0 0 0 25 0 1 0 202992824 3477504 432 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134589684 0 0 4096 35 0 0 0 17 1 0 0
/proc/7942/statm: 849 432 118 243 0 603 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 3396

[startup+3.10197 s]
/proc/loadavg: 0.92 0.98 0.90 2/78 7943
/proc/meminfo: memFree=1606120/2055920 swapFree=4159400/4192956
[pid=7942] ppid=7940 vsize=4344 CPUtime=3.09
/proc/7942/stat : 7942 (cmusat) R 7940 7942 7237 0 -1 4194304 679 0 0 0 309 0 0 0 25 0 1 0 202992824 4448256 663 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134589495 0 0 4096 35 0 0 0 17 1 0 0
/proc/7942/statm: 1086 663 118 243 0 840 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 4344

[startup+6.30165 s]
/proc/loadavg: 0.93 0.98 0.90 2/78 7943
/proc/meminfo: memFree=1604520/2055920 swapFree=4159400/4192956
[pid=7942] ppid=7940 vsize=5960 CPUtime=6.29
/proc/7942/stat : 7942 (cmusat) R 7940 7942 7237 0 -1 4194304 1063 0 0 0 629 0 0 0 25 0 1 0 202992824 6103040 991 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134589545 0 0 4096 35 0 0 0 17 1 0 0
/proc/7942/statm: 1490 991 118 243 0 1244 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 5960

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

[startup+7.10182 s]
/proc/loadavg: 0.93 0.98 0.90 2/78 7943
/proc/meminfo: memFree=1604456/2055920 swapFree=4159400/4192956
[pid=7942] ppid=7940 vsize=5960 CPUtime=7.09
/proc/7942/stat : 7942 (cmusat) R 7940 7942 7237 0 -1 4194304 1067 0 0 0 709 0 0 0 25 0 1 0 202992824 6103040 995 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134590173 0 0 4096 35 0 0 0 17 1 0 0
/proc/7942/statm: 1490 995 118 243 0 1244 0
Current children cumulated CPU time (s) 7.09
Current children cumulated vsize (KiB) 5960

[startup+7.50191 s]
/proc/loadavg: 0.93 0.98 0.90 2/78 7943
/proc/meminfo: memFree=1604456/2055920 swapFree=4159400/4192956
[pid=7942] ppid=7940 vsize=5960 CPUtime=7.49
/proc/7942/stat : 7942 (cmusat) R 7940 7942 7237 0 -1 4194304 1072 0 0 0 749 0 0 0 25 0 1 0 202992824 6103040 1000 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134589545 0 0 4096 35 0 0 0 17 1 0 0
/proc/7942/statm: 1490 1000 118 243 0 1244 0
Current children cumulated CPU time (s) 7.49
Current children cumulated vsize (KiB) 5960

[startup+7.70595 s]
/proc/loadavg: 0.93 0.98 0.90 2/78 7943
/proc/meminfo: memFree=1604392/2055920 swapFree=4159400/4192956
[pid=7942] ppid=7940 vsize=6120 CPUtime=7.69
/proc/7942/stat : 7942 (cmusat) R 7940 7942 7237 0 -1 4194304 1120 0 0 0 769 0 0 0 25 0 1 0 202992824 6266880 1048 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134589601 0 0 4096 35 0 0 0 17 1 0 0
/proc/7942/statm: 1530 1048 118 243 0 1284 0
Current children cumulated CPU time (s) 7.69
Current children cumulated vsize (KiB) 6120

Child status: 20
Real time (s): 7.72988
CPU time (s): 7.72782
CPU user time (s): 7.71983
CPU system time (s): 0.007998
CPU usage (%): 99.9734
Max. virtual memory (cumulated for all children) (KiB): 6120

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.71983
system time used= 0.007998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1132
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= 159

runsolver used 0.010998 second user time and 0.020996 second system time

The end

Launcher Data (download as text)

Begin job on node13 on Thu Apr 26 01:25:50 UTC 2007

IDJOB= 370019
IDBENCH= 20437
IDSOLVER= 182
FILE ID= node13/370019-1177550750

PBS_JOBID= 4696621

Free space on /tmp= 66378 MiB

SOLVER NAME= CMUSAT 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/crafted/spence/medium/s57-100.cnf
COMMAND LINE= /tmp/evaluation/370019-1177550750/cmusat /tmp/evaluation/370019-1177550750/instance-370019-1177550750.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node13/watcher-370019-1177550750 -o ROOT/results/node13/solver-370019-1177550750 -C 5000 -W 7500 -M 1800 --output-limit 1,15  /tmp/evaluation/370019-1177550750/cmusat /tmp/evaluation/370019-1177550750/instance-370019-1177550750.cnf            

META MD5SUM SOLVER= d41d8cd98f00b204e9800998ecf8427e
MD5SUM BENCH=  4dc4c11d420a4a03c2a3fdf77861be5d

RANDOM SEED= 748613964

TIME LIMIT= 5000 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		: 3000.259
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		: 3000.259
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:       1608584 kB
Buffers:         40004 kB
Cached:         324096 kB
SwapCached:      12688 kB
Active:         249012 kB
Inactive:       138328 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1608584 kB
SwapTotal:     4192956 kB
SwapFree:      4159400 kB
Dirty:            2616 kB
Writeback:           0 kB
Mapped:          30252 kB
Slab:            45396 kB
Committed_AS:  6883848 kB
PageTables:       1872 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= 66378 MiB

End job on node13 on Thu Apr 26 01:25:58 UTC 2007