Trace number 310543

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
KCNFS 2004SAT 4.90425 4.90721

General information on the benchmark

Namerandom/2+p/p0.9/v630/
unif2p-p0.9-v630-c2280-S1244126495-18-SAT.cnf
MD5SUM7170ef62ab1f0b3de97654e24bebe902
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.010998
Satisfiable
(Un)Satisfiability was proved
Number of variables630
Number of clauses2280
Sum of the clauses size6612
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 2228
Number of clauses of size 32052
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	
0.00/0.00	c Computed by /tmp/evaluation/310543-1172560254/kcnfs-2004   V. 03/02/12
0.00/0.00	c Input file : '/tmp/evaluation/310543-1172560254/instance-310543-1172560254.cnf'
4.81/4.90	c [630 variables, 2280 clauses, ratio 3.62, mean occ 5, 3-SAT]
4.81/4.90	s SATISFIABLE
4.81/4.90	v   271   412  -586  -135  -297
4.81/4.90	v   235   290  -404  -143   -89
4.81/4.90	v   372  -285  -348   168    35
4.81/4.90	v   293  -571    88   254   486
4.81/4.90	v    76   220   289  -588  -322
4.81/4.90	v   -20  -226   550   563   184
4.81/4.90	v    64  -602   144   -86   374
4.81/4.90	v   471  -167    11   325    75
4.81/4.90	v   313   623  -565    85   -90
4.81/4.90	v  -342   378   494  -199  -435
4.81/4.90	v   145   388   -57   234  -598
4.81/4.90	v   229   101   534  -520   499
4.81/4.90	v  -141  -270  -195  -429  -156
4.81/4.90	v  -127   564  -515  -306   390
4.81/4.90	v   436  -227  -457  -555   356
4.81/4.90	v  -568   401  -497   -46  -614
4.81/4.90	v   -59    17   335   403  -424
4.81/4.90	v   511   536   263   -22  -553
4.81/4.90	v  -100  -166  -238   212  -458
4.81/4.90	v   153   183   124  -191    -3
4.81/4.90	v     6   230   491  -159   546
4.81/4.90	v  -174   137  -303    34    33
4.81/4.90	v   -74  -415  -469   177  -318
4.81/4.90	v   431   572    94   532   -68
4.81/4.90	v   327  -232  -569   395   103
4.81/4.90	v   -12   206  -464  -629   620
4.81/4.90	v    61   151  -343   596  -616
4.81/4.90	v   562   298  -194  -316   595
4.81/4.90	v   187  -330  -250  -576  -324
4.81/4.90	v   582  -165  -419  -218   190
4.81/4.90	v   304   459   414   328  -591
4.81/4.90	v  -578  -189   -41  -523  -610
4.81/4.90	v   570   560   244   399  -129
4.81/4.90	v   -81   264  -277   281   -18
4.81/4.90	v  -249   507  -603  -525  -240
4.81/4.90	v  -626  -149  -460  -437   -66
4.81/4.90	v  -170  -139   162  -346    -8
4.81/4.90	v  -580  -272  -503  -627  -527
4.81/4.90	v   164  -495   367  -107  -176
4.81/4.90	v    13  -108  -519   112   225
4.81/4.90	v   484   209  -360   110   524
4.81/4.90	v   258  -380   326   577  -138
4.81/4.90	v   541   160   353   383  -178
4.81/4.90	v  -590    15   -60   411  -105
4.81/4.90	v   126    84   175  -131   -82
4.81/4.90	v   557  -510  -498   207  -252
4.81/4.90	v  -430    87   544     5   465
4.81/4.90	v   128   387   -42  -622   266
4.81/4.90	v  -487   599   283  -196  -377
4.81/4.90	v    73   245  -584    25   -36
4.81/4.90	v    43    71   -58   512  -118
4.81/4.90	v   119   140   -32  -376   262
4.81/4.90	v   538   406  -122  -111   120
4.81/4.90	v   617    -2   216   432   624
4.81/4.90	v   275   384   224  -453   255
4.81/4.90	v  -480  -201   601  -474  -556
4.81/4.90	v   575   522   443   247  -504
4.81/4.90	v   509  -273   -69  -514  -539
4.81/4.90	v  -567  -574   597  -493   397
4.81/4.90	v  -600  -605  -454  -215   185
4.81/4.90	v    93    62   551   314  -529
4.81/4.90	v  -257   132  -447  -393    72
4.81/4.90	v   468   340  -241   -99   410
4.81/4.90	v  -221  -337  -418   204   150
4.81/4.90	v   607   386  -490   269  -239
4.81/4.90	v   -26  -502    95  -312    37
4.81/4.90	v    77  -608  -169  -438  -475
4.81/4.90	v   533  -452  -615  -260  -267
4.81/4.90	v   349    78   585  -505   291
4.81/4.90	v  -197   472    47   321   -19
4.81/4.90	v   500  -448  -604   253  -609
4.81/4.90	v   142  -237  -173   -98   -39
4.81/4.90	v  -391   -56  -329  -612   628
4.81/4.90	v   211   530  -405  -408  -181
4.81/4.90	v   352   489   202  -369   592
4.81/4.90	v   317  -102   -28  -282    55
4.81/4.90	v  -248  -583    31  -455  -543
4.81/4.90	v   228   476   -65   320  -426
4.81/4.90	v  -284   334  -200   425   423
4.81/4.90	v  -362   323   625   106  -394
4.81/4.90	v    83   402  -146   233  -193
4.81/4.90	v  -152  -389  -301   130   158
4.81/4.90	v   192   427  -517   115   -45
4.81/4.90	v   467   -23  -231  -540  -300
4.81/4.90	v   446  -363   521   -27   -14
4.81/4.90	v   133  -310  -294   243   203
4.81/4.90	v  -613  -355  -371   278  -552
4.81/4.90	v   439  -449   -24   256  -611
4.81/4.90	v   339    38   416  -188  -366
4.81/4.90	v  -104  -287  -409  -286  -537
4.81/4.90	v   332  -398  -182   147    -9
4.81/4.90	v  -358   -50  -434  -288  -479
4.81/4.90	v  -121   559   338   246  -172
4.81/4.90	v  -180   558  -125   396  -223
4.81/4.90	v   357  -549   375   171    49
4.81/4.90	v   274  -114  -413   542   444
4.81/4.90	v   -53  -545   -44  -305   470
4.81/4.90	v   513    63  -466  -392   210
4.81/4.90	v   354  -531  -407  -134    67
4.81/4.90	v   554  -428   -29   365   561
4.81/4.90	v   315   198   265  -385  -451
4.81/4.90	v   309   492   579   483  -279
4.81/4.90	v  -148  -341   547   331  -117
4.81/4.90	v   186  -368   516   163     4
4.81/4.90	v  -433   179   379   -79   -16
4.81/4.90	v   -21   -30    40   -48   -51
4.81/4.90	v   -54   -80    91   -92    96
4.81/4.90	v    97   528  -587  -508  -621
4.81/4.90	v  -113   136   161  -208   213
4.81/4.90	v  -214   217   222   251   268
4.81/4.90	v  -276   299   302  -308   311
4.81/4.90	v   319   333   336   344  -345
4.81/4.90	v   347  -351   359   361   364
4.81/4.90	v  -373   381   382   400   456
4.81/4.90	v   280   440  -441  -442   445
4.81/4.90	v   461   462   463   473   477
4.81/4.90	v  -478   481  -482   485   496
4.81/4.90	v  -501   506  -518  -526   535
4.81/4.90	v  -548   573   581   593   594
4.81/4.90	v   606   618   619    10   219
4.81/4.90	v  -205   488  -422  -350  -566
4.81/4.90	v  -370   155   259  -116     1
4.81/4.90	v    -7   -52    70   123  -154
4.81/4.90	v  -157   236  -242   261   292
4.81/4.90	v  -295   307   420   421  -450
4.81/4.90	v  -589   630  -109   296  -417
4.81/4.90	v     0
4.81/4.90	c Computation time    : 4.900 seconds
4.81/4.90	c Execution time      : 4.900 seconds
4.81/4.90	c Size of search tree : 7492 nodes
4.81/4.90

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/node71/watcher-310543-1172560254 -o ROOT/results/node71/solver-310543-1172560254 -C 1200 -M 1800 --output-limit 1,15 --use-pty /tmp/evaluation/310543-1172560254/kcnfs-2004 /tmp/evaluation/310543-1172560254/instance-310543-1172560254.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
Using a pseudo terminal to collect output from the solver
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.94 0.96 0.91 3/64 21912
/proc/meminfo: memFree=1875128/2055920 swapFree=4182996/4192956
[pid=21912] ppid=21910 vsize=16268 CPUtime=0
/proc/21912/stat : 21912 (kcnfs-2004) R 21910 21912 20721 0 -1 0 161 0 0 0 0 0 0 0 18 0 1 0 275983181 16658432 141 18446744073709551615 134512640 134953336 4294956704 18446744073709551615 134759889 0 0 4096 0 0 0 0 17 1 0 0
/proc/21912/statm: 4073 146 38 107 0 3962 0

[startup+0.106503 s]
/proc/loadavg: 0.94 0.96 0.91 3/64 21912
/proc/meminfo: memFree=1875128/2055920 swapFree=4182996/4192956
[pid=21912] ppid=21910 vsize=16800 CPUtime=0.1
/proc/21912/stat : 21912 (kcnfs-2004) R 21910 21912 20721 0 -1 0 363 0 0 0 10 0 0 0 18 0 1 0 275983181 17203200 342 18446744073709551615 134512640 134953336 4294956704 18446744073709551615 134577891 0 0 4096 0 0 0 0 17 1 0 0
/proc/21912/statm: 4200 342 61 107 0 4089 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 16800

[startup+0.514592 s]
/proc/loadavg: 0.94 0.96 0.91 3/64 21912
/proc/meminfo: memFree=1875128/2055920 swapFree=4182996/4192956
[pid=21912] ppid=21910 vsize=16800 CPUtime=0.51
/proc/21912/stat : 21912 (kcnfs-2004) R 21910 21912 20721 0 -1 0 363 0 0 0 51 0 0 0 22 0 1 0 275983181 17203200 342 18446744073709551615 134512640 134953336 4294956704 18446744073709551615 134528738 0 0 4096 0 0 0 0 17 1 0 0
/proc/21912/statm: 4200 342 61 107 0 4089 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 16800

[startup+1.33477 s]
/proc/loadavg: 0.94 0.96 0.91 2/65 21913
/proc/meminfo: memFree=1873968/2055920 swapFree=4182996/4192956
[pid=21912] ppid=21910 vsize=16800 CPUtime=1.33
/proc/21912/stat : 21912 (kcnfs-2004) R 21910 21912 20721 0 -1 0 363 0 0 0 133 0 0 0 25 0 1 0 275983181 17203200 342 18446744073709551615 134512640 134953336 4294956704 18446744073709551615 134529047 0 0 4096 0 0 0 0 17 1 0 0
/proc/21912/statm: 4200 342 61 107 0 4089 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 16800

[startup+2.97313 s]
/proc/loadavg: 0.94 0.96 0.91 2/65 21913
/proc/meminfo: memFree=1873840/2055920 swapFree=4182996/4192956
[pid=21912] ppid=21910 vsize=16800 CPUtime=2.97
/proc/21912/stat : 21912 (kcnfs-2004) R 21910 21912 20721 0 -1 0 363 0 0 0 297 0 0 0 25 0 1 0 275983181 17203200 342 18446744073709551615 134512640 134953336 4294956704 18446744073709551615 134529641 0 0 4096 0 0 0 0 17 1 0 0
/proc/21912/statm: 4200 342 61 107 0 4089 0
Current children cumulated CPU time (s) 2.97
Current children cumulated vsize (KiB) 16800

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

[startup+3.2792 s]
/proc/loadavg: 0.94 0.96 0.91 2/65 21913
/proc/meminfo: memFree=1873840/2055920 swapFree=4182996/4192956
[pid=21912] ppid=21910 vsize=16800 CPUtime=3.27
/proc/21912/stat : 21912 (kcnfs-2004) R 21910 21912 20721 0 -1 0 363 0 0 0 327 0 0 0 25 0 1 0 275983181 17203200 342 18446744073709551615 134512640 134953336 4294956704 18446744073709551615 134528132 0 0 4096 0 0 0 0 17 1 0 0
/proc/21912/statm: 4200 342 61 107 0 4089 0
Current children cumulated CPU time (s) 3.27
Current children cumulated vsize (KiB) 16800

[startup+4.09838 s]
/proc/loadavg: 0.94 0.96 0.91 2/65 21913
/proc/meminfo: memFree=1873840/2055920 swapFree=4182996/4192956
[pid=21912] ppid=21910 vsize=16800 CPUtime=4.09
/proc/21912/stat : 21912 (kcnfs-2004) R 21910 21912 20721 0 -1 0 363 0 0 0 409 0 0 0 25 0 1 0 275983181 17203200 342 18446744073709551615 134512640 134953336 4294956704 18446744073709551615 134531256 0 0 4096 0 0 0 0 17 1 0 0
/proc/21912/statm: 4200 342 61 107 0 4089 0
Current children cumulated CPU time (s) 4.09
Current children cumulated vsize (KiB) 16800

[startup+4.50646 s]
/proc/loadavg: 0.94 0.96 0.91 2/65 21913
/proc/meminfo: memFree=1873712/2055920 swapFree=4182996/4192956
[pid=21912] ppid=21910 vsize=16800 CPUtime=4.5
/proc/21912/stat : 21912 (kcnfs-2004) R 21910 21912 20721 0 -1 0 363 0 0 0 450 0 0 0 25 0 1 0 275983181 17203200 342 18446744073709551615 134512640 134953336 4294956704 18446744073709551615 134577717 0 0 4096 0 0 0 0 17 1 0 0
/proc/21912/statm: 4200 342 61 107 0 4089 0
Current children cumulated CPU time (s) 4.5
Current children cumulated vsize (KiB) 16800

[startup+4.71451 s]
/proc/loadavg: 0.94 0.96 0.91 2/65 21913
/proc/meminfo: memFree=1873712/2055920 swapFree=4182996/4192956
[pid=21912] ppid=21910 vsize=16800 CPUtime=4.7
/proc/21912/stat : 21912 (kcnfs-2004) R 21910 21912 20721 0 -1 0 363 0 0 0 470 0 0 0 25 0 1 0 275983181 17203200 342 18446744073709551615 134512640 134953336 4294956704 18446744073709551615 134531143 0 0 4096 0 0 0 0 17 1 0 0
/proc/21912/statm: 4200 342 61 107 0 4089 0
Current children cumulated CPU time (s) 4.7
Current children cumulated vsize (KiB) 16800

[startup+4.81653 s]
/proc/loadavg: 0.94 0.96 0.91 2/65 21913
/proc/meminfo: memFree=1873712/2055920 swapFree=4182996/4192956
[pid=21912] ppid=21910 vsize=16800 CPUtime=4.81
/proc/21912/stat : 21912 (kcnfs-2004) R 21910 21912 20721 0 -1 0 363 0 0 0 481 0 0 0 25 0 1 0 275983181 17203200 342 18446744073709551615 134512640 134953336 4294956704 18446744073709551615 134531127 0 0 4096 0 0 0 0 17 1 0 0
/proc/21912/statm: 4200 342 61 107 0 4089 0
Current children cumulated CPU time (s) 4.81
Current children cumulated vsize (KiB) 16800

Child status: 10
Real time (s): 4.90721
CPU time (s): 4.90425
CPU user time (s): 4.89925
CPU system time (s): 0.004999
CPU usage (%): 99.9397
Max. virtual memory (cumulated for all children) (KiB): 16800

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.89926
system time used= 0.004999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 365
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= 10

runsolver used 0.006998 second user time and 0.016997 second system time

The end

Launcher Data (download as text)

Begin job on node71 on Tue Feb 27 07:10:54 UTC 2007

IDJOB= 310543
IDBENCH= 20290
IDSOLVER= 114
FILE ID= node71/310543-1172560254

PBS_JOBID= 3971857

Free space on /tmp= 66554 MiB

SOLVER NAME= KCNFS 2004
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.9/v630/unif2p-p0.9-v630-c2280-S1244126495-18-SAT.cnf
COMMAND LINE= /tmp/evaluation/310543-1172560254/kcnfs-2004 /tmp/evaluation/310543-1172560254/instance-310543-1172560254.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node71/watcher-310543-1172560254 -o ROOT/results/node71/solver-310543-1172560254 -C 1200 -M 1800 --output-limit 1,15 --use-pty /tmp/evaluation/310543-1172560254/kcnfs-2004 /tmp/evaluation/310543-1172560254/instance-310543-1172560254.cnf            

META MD5SUM SOLVER= 23f87ccf1c743ff5b6146b444e216cd3
MD5SUM BENCH=  7170ef62ab1f0b3de97654e24bebe902

RANDOM SEED= 139219970

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:       1875536 kB
Buffers:         25812 kB
Cached:         108168 kB
SwapCached:       3788 kB
Active:          62588 kB
Inactive:        80836 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1875536 kB
SwapTotal:     4192956 kB
SwapFree:      4182996 kB
Dirty:            3328 kB
Writeback:           0 kB
Mapped:          15324 kB
Slab:            22932 kB
Committed_AS:   770672 kB
PageTables:       1448 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 node71 on Tue Feb 27 07:10:59 UTC 2007