Trace number 367436

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 32.778 32.7904

General information on the benchmark

Nameindustrial/grieu/
vmpc_24.cnf
MD5SUMa69847fa52646cc8016cf4fd8e9d428a
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.465928
Satisfiable
(Un)Satisfiability was proved
Number of variables576
Number of clauses67872
Sum of the clauses size178056
Maximum clause length24
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 226568
Number of clauses of size 341256
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 548

Solver Data (download as text)

0.00/0.00	c Pre-processing provided 0 assignments
0.00/0.00	c |  Number of variables:  576                                                  |
0.00/0.05	c |  Number of clauses:    67872                                                |
32.68/32.78	c |  Parsing time:         0.05         sec                                       |
32.68/32.78	c #varS 576 #clauseS 49478
32.68/32.78	c REMAP internally 1
32.68/32.78	c After remapping new number of variables: 575
32.68/32.78	c DBreduced=0 GV=101[0]  GL=49579[ 49478,101] Prune=557 decisions=456 restart=0 est=0.000302984 DB Impl=12121[0]  
32.68/32.78	c DBreduced=0 GV=151[0]  GL=49629[ 49478,151] Prune=664 decisions=513 restart=1 est=0.000333495 DB Impl=19535[0]  
32.68/32.78	c DBreduced=0 GV=226[0]  GL=49704[ 49478,226] Prune=826 decisions=600 restart=2 est=0.000302984 DB Impl=28767[0]  
32.68/32.78	c DBreduced=0 GV=339[0]  GL=49817[ 49478,339] Prune=1065 decisions=726 restart=3 est=0.000303511 DB Impl=44482[0]  
32.68/32.78	c DBreduced=0 GV=508[0]  GL=49986[ 49478,508] Prune=1418 decisions=910 restart=4 est=0.000302984 DB Impl=68321[0]  
32.68/32.78	c DBreduced=0 GV=760[0]  GL=50238[ 49478,760] Prune=1945 decisions=1185 restart=5 est=0.000605442 DB Impl=98712[0]  
32.68/32.78	c DBreduced=0 GV=1140[0]  GL=50618[ 49478,1140] Prune=2721 decisions=1581 restart=6 est=0.000303042 DB Impl=153758[0]  
32.68/32.78	c DBreduced=0 GV=1709[0]  GL=51187[ 49478,1709] Prune=3881 decisions=2172 restart=7 est=0.000335139 DB Impl=229445[0]  
32.68/32.78	c DBreduced=0 GV=2564[0]  GL=52042[ 49478,2564] Prune=5621 decisions=3057 restart=8 est=0.000303566 DB Impl=341958[0]  
32.68/32.78	c DBreduced=0 GV=3845[0]  GL=53323[ 49478,3845] Prune=8227 decisions=4382 restart=9 est=0.000302984 DB Impl=514344[0]  
32.68/32.78	c DBreduced=0 GV=5767[0]  GL=55245[ 49478,5767] Prune=12134 decisions=6367 restart=10 est=0.00030357 DB Impl=761194[0]  
32.68/32.78	c DBreduced=0 GV=8650[0]  GL=58128[ 49478,8650] Prune=18016 decisions=9366 restart=11 est=0.000302985 DB Impl=1135064[0]  
32.68/32.78	c DBreduced=0 GV=12975[0]  GL=62453[ 49478,12975] Prune=26802 decisions=13827 restart=12 est=0.000605968 DB Impl=1675133[0]  
32.68/32.78	c DBreduced=1 GV=19462[0]  GL=66996[ 49478,17518] Prune=39919 decisions=20457 restart=13 est=0.000302985 DB Impl=2598814[0]  
32.68/32.78	c DBreduced=4 GV=29193[0]  GL=65651[ 49478,16173] Prune=59627 decisions=30434 restart=14 est=0.000303567 DB Impl=3904464[0]  
32.68/32.78	c DBreduced=5 GV=43790[0]  GL=70358[ 49478,20880] Prune=89153 decisions=45363 restart=15 est=0.000302984 DB Impl=5867409[0]  
32.68/32.78	c DBreduced=7 GV=65685[0]  GL=70106[ 49478,20628] Prune=133400 decisions=67715 restart=16 est=0.000305615 DB Impl=8800337[0]  
32.68/32.78	c DBreduced=9 GV=98527[0]  GL=77340[ 49478,27862] Prune=199696 decisions=101169 restart=17 est=0.000303512 DB Impl=13235242[0]  
32.68/32.78	c After partial model completion 576 assignments
32.68/32.78	c REMAP internally 0
32.68/32.78	c Number of variables:  576
32.68/32.78	c Number of clauses:    67872
32.68/32.78	c #Total time (in seconds): 32.715
32.68/32.78	c #Memory used (in MB): 13.6367
32.68/32.78	c 
32.68/32.78	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/node39/watcher-367436-1177551253 -o ROOT/results/node39/solver-367436-1177551253 -C 5000 -W 7500 -M 1800 --output-limit 1,15 /tmp/evaluation/367436-1177551253/cmusat /tmp/evaluation/367436-1177551253/instance-367436-1177551253.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: 1.00 1.00 0.92 2/77 10486
/proc/meminfo: memFree=1717896/2055920 swapFree=4159384/4192956
[pid=10486] ppid=10484 vsize=2324 CPUtime=0
/proc/10486/stat : 10486 (cmusat) R 10484 10486 8942 0 -1 4194304 410 0 0 0 0 0 0 0 18 0 1 0 203037329 2379776 394 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/10486/statm: 581 395 96 243 0 335 0

[startup+0.087218 s]
/proc/loadavg: 1.00 1.00 0.92 2/77 10486
/proc/meminfo: memFree=1717896/2055920 swapFree=4159384/4192956
[pid=10486] ppid=10484 vsize=5952 CPUtime=0.08
/proc/10486/stat : 10486 (cmusat) R 10484 10486 8942 0 -1 4194304 1291 0 0 0 8 0 0 0 18 0 1 0 203037329 6094848 1275 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134530504 0 0 4096 35 0 0 0 17 1 0 0
/proc/10486/statm: 1488 1275 107 243 0 1242 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 5952

[startup+0.101219 s]
/proc/loadavg: 1.00 1.00 0.92 2/77 10486
/proc/meminfo: memFree=1717896/2055920 swapFree=4159384/4192956
[pid=10486] ppid=10484 vsize=5952 CPUtime=0.09
/proc/10486/stat : 10486 (cmusat) R 10484 10486 8942 0 -1 4194304 1291 0 0 0 9 0 0 0 18 0 1 0 203037329 6094848 1275 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134530504 0 0 4096 35 0 0 0 17 1 0 0
/proc/10486/statm: 1488 1275 107 243 0 1242 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5952

[startup+0.301253 s]
/proc/loadavg: 1.00 1.00 0.92 2/77 10486
/proc/meminfo: memFree=1717896/2055920 swapFree=4159384/4192956
[pid=10486] ppid=10484 vsize=5952 CPUtime=0.29
/proc/10486/stat : 10486 (cmusat) R 10484 10486 8942 0 -1 4194304 1295 0 0 0 29 0 0 0 19 0 1 0 203037329 6094848 1279 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134530504 0 0 4096 35 0 0 0 17 1 0 0
/proc/10486/statm: 1488 1279 107 243 0 1242 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5952

[startup+0.701321 s]
/proc/loadavg: 1.00 1.00 0.92 2/77 10486
/proc/meminfo: memFree=1717896/2055920 swapFree=4159384/4192956
[pid=10486] ppid=10484 vsize=4564 CPUtime=0.69
/proc/10486/stat : 10486 (cmusat) R 10484 10486 8942 0 -1 4194304 1536 0 0 0 69 0 0 0 23 0 1 0 203037329 4673536 797 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134555073 0 0 4096 35 0 0 0 17 1 0 0
/proc/10486/statm: 1141 797 111 243 0 895 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4564

[startup+1.50146 s]
/proc/loadavg: 1.00 1.00 0.92 2/78 10487
/proc/meminfo: memFree=1711680/2055920 swapFree=4159384/4192956
[pid=10486] ppid=10484 vsize=8872 CPUtime=1.49
/proc/10486/stat : 10486 (cmusat) R 10484 10486 8942 0 -1 4194304 2654 0 0 0 148 1 0 0 25 0 1 0 203037329 9084928 1721 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/10486/statm: 2218 1721 119 243 0 1972 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 8872

[startup+3.10274 s]
/proc/loadavg: 1.00 1.00 0.92 2/78 10487
/proc/meminfo: memFree=1710144/2055920 swapFree=4159384/4192956
[pid=10486] ppid=10484 vsize=11380 CPUtime=3.09
/proc/10486/stat : 10486 (cmusat) R 10484 10486 8942 0 -1 4194304 3366 0 0 0 307 2 0 0 25 0 1 0 203037329 11653120 2433 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/10486/statm: 2845 2433 119 243 0 2599 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 11380

[startup+6.30127 s]
/proc/loadavg: 1.00 1.00 0.92 2/78 10487
/proc/meminfo: memFree=1706048/2055920 swapFree=4159384/4192956
[pid=10486] ppid=10484 vsize=13532 CPUtime=6.29
/proc/10486/stat : 10486 (cmusat) R 10484 10486 8942 0 -1 4194304 4351 0 0 0 626 3 0 0 25 0 1 0 203037329 13856768 3015 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134589663 0 0 4096 35 0 0 0 17 1 0 0
/proc/10486/statm: 3383 3015 119 243 0 3137 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 13532

[startup+12.7013 s]
/proc/loadavg: 1.00 1.00 0.92 2/78 10487
/proc/meminfo: memFree=1703488/2055920 swapFree=4159384/4192956
[pid=10486] ppid=10484 vsize=15944 CPUtime=12.69
/proc/10486/stat : 10486 (cmusat) R 10484 10486 8942 0 -1 4194304 5263 0 0 0 1265 4 0 0 25 0 1 0 203037329 16326656 3639 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134589563 0 0 4096 35 0 0 0 17 1 0 0
/proc/10486/statm: 3986 3639 119 243 0 3740 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 15944

[startup+25.5015 s]
/proc/loadavg: 1.00 1.00 0.92 2/78 10487
/proc/meminfo: memFree=1700160/2055920 swapFree=4159384/4192956
[pid=10486] ppid=10484 vsize=18920 CPUtime=25.49
/proc/10486/stat : 10486 (cmusat) R 10484 10486 8942 0 -1 4194304 6568 0 0 0 2544 5 0 0 25 0 1 0 203037329 19374080 4475 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134589684 0 0 4096 35 0 0 0 17 1 0 0
/proc/10486/statm: 4730 4475 119 243 0 4484 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 18920

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

[startup+28.7011 s]
/proc/loadavg: 1.00 1.00 0.92 2/78 10487
/proc/meminfo: memFree=1699520/2055920 swapFree=4159384/4192956
[pid=10486] ppid=10484 vsize=19712 CPUtime=28.68
/proc/10486/stat : 10486 (cmusat) R 10484 10486 8942 0 -1 4194304 6766 0 0 0 2863 5 0 0 25 0 1 0 203037329 20185088 4673 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134589676 0 0 4096 35 0 0 0 17 1 0 0
/proc/10486/statm: 4928 4673 119 243 0 4682 0
Current children cumulated CPU time (s) 28.68
Current children cumulated vsize (KiB) 19712

[startup+30.3013 s]
/proc/loadavg: 1.00 1.00 0.92 2/78 10487
/proc/meminfo: memFree=1698688/2055920 swapFree=4159384/4192956
[pid=10486] ppid=10484 vsize=20268 CPUtime=30.28
/proc/10486/stat : 10486 (cmusat) R 10484 10486 8942 0 -1 4194304 7101 0 0 0 3023 5 0 0 25 0 1 0 203037329 20754432 4839 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134589601 0 0 4096 35 0 0 0 17 1 0 0
/proc/10486/statm: 5067 4839 119 243 0 4821 0
Current children cumulated CPU time (s) 30.28
Current children cumulated vsize (KiB) 20268

[startup+31.9056 s]
/proc/loadavg: 1.00 1.00 0.92 2/78 10487
/proc/meminfo: memFree=1698688/2055920 swapFree=4159384/4192956
[pid=10486] ppid=10484 vsize=20268 CPUtime=31.88
/proc/10486/stat : 10486 (cmusat) R 10484 10486 8942 0 -1 4194304 7104 0 0 0 3183 5 0 0 25 0 1 0 203037329 20754432 4842 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134589684 0 0 4096 35 0 0 0 17 1 0 0
/proc/10486/statm: 5067 4842 119 243 0 4821 0
Current children cumulated CPU time (s) 31.88
Current children cumulated vsize (KiB) 20268

[startup+32.3017 s]
/proc/loadavg: 1.00 1.00 0.92 2/78 10487
/proc/meminfo: memFree=1698688/2055920 swapFree=4159384/4192956
[pid=10486] ppid=10484 vsize=20268 CPUtime=32.28
/proc/10486/stat : 10486 (cmusat) R 10484 10486 8942 0 -1 4194304 7104 0 0 0 3223 5 0 0 25 0 1 0 203037329 20754432 4842 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134589690 0 0 4096 35 0 0 0 17 1 0 0
/proc/10486/statm: 5067 4842 119 243 0 4821 0
Current children cumulated CPU time (s) 32.28
Current children cumulated vsize (KiB) 20268

[startup+32.7017 s]
/proc/loadavg: 1.00 1.00 0.92 2/78 10487
/proc/meminfo: memFree=1698688/2055920 swapFree=4159384/4192956
[pid=10486] ppid=10484 vsize=17624 CPUtime=32.68
/proc/10486/stat : 10486 (cmusat) R 10484 10486 8942 0 -1 4194304 7104 0 0 0 3263 5 0 0 25 0 1 0 203037329 18046976 4226 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135087787 0 0 4096 35 0 0 0 17 1 0 0
/proc/10486/statm: 4406 4226 119 243 0 4160 0
Current children cumulated CPU time (s) 32.68
Current children cumulated vsize (KiB) 17624

Child status: 10
Real time (s): 32.7904
CPU time (s): 32.778
CPU user time (s): 32.716
CPU system time (s): 0.06199
CPU usage (%): 99.9622
Max. virtual memory (cumulated for all children) (KiB): 20268

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 32.716
system time used= 0.06199
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7116
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= 9
involuntary context switches= 97

runsolver used 0.023996 second user time and 0.079987 second system time

The end

Launcher Data (download as text)

Begin job on node39 on Thu Apr 26 01:34:13 UTC 2007

IDJOB= 367436
IDBENCH= 20489
IDSOLVER= 173
FILE ID= node39/367436-1177551253

PBS_JOBID= 4696584

Free space on /tmp= 66486 MiB

SOLVER NAME= CMUSAT 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/grieu/vmpc_24.cnf
COMMAND LINE= /tmp/evaluation/367436-1177551253/cmusat /tmp/evaluation/367436-1177551253/instance-367436-1177551253.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node39/watcher-367436-1177551253 -o ROOT/results/node39/solver-367436-1177551253 -C 5000 -W 7500 -M 1800 --output-limit 1,15  /tmp/evaluation/367436-1177551253/cmusat /tmp/evaluation/367436-1177551253/instance-367436-1177551253.cnf            

META MD5SUM SOLVER= d41d8cd98f00b204e9800998ecf8427e
MD5SUM BENCH=  a69847fa52646cc8016cf4fd8e9d428a

RANDOM SEED= 296688355

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB

Linux node39.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		: 3000.256
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		: 3000.256
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:       1718304 kB
Buffers:         39748 kB
Cached:         207204 kB
SwapCached:      13964 kB
Active:         170308 kB
Inactive:       101932 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1718304 kB
SwapTotal:     4192956 kB
SwapFree:      4159384 kB
Dirty:            3556 kB
Writeback:           0 kB
Mapped:          32172 kB
Slab:            50628 kB
Committed_AS:  2024848 kB
PageTables:       2012 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= 66486 MiB

End job on node39 on Thu Apr 26 01:34:46 UTC 2007