Trace number 1796549

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
minisat2-simp 070721UNSAT 81.5646 81.5857

General information on the benchmark

Nameschup-l2s-abp4-1-k31.cnf
MD5SUM2ec4066bd8381455b1990aa40b382ff0
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark45.5341
Satisfiable
(Un)Satisfiability was proved
Number of variables14809
Number of clauses48483
Sum of the clauses size123522
Maximum clause length33
Minimum clause length1
Number of clauses of size 136
Number of clauses of size 224983
Number of clauses of size 322191
Number of clauses of size 4589
Number of clauses of size 5403
Number of clauses of size over 5281

Solver Data 

0.00/0.00	This is MiniSat 2.0 beta
0.00/0.00	WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	============================[ Problem Statistics ]=============================
0.00/0.00	|                                                                             |
0.00/0.00	|  Number of variables:  14809                                                |
0.00/0.00	|  Number of clauses:    48483                                                |
0.00/0.05	|  Parsing time:         0.05         s                                       |
0.19/0.28	============================[ Search Statistics ]==============================
0.19/0.28	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.19/0.28	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.19/0.28	===============================================================================
0.19/0.28	|         0 |    4637    22181    72228 |     7393        0    nan |  0.000 % |
0.29/0.30	|       100 |    4637    22181    72228 |     8133      100      6 |  3.957 % |
0.29/0.32	|       253 |    4637    22181    72228 |     8946      253      7 |  3.957 % |
0.29/0.34	|       478 |    4636    22181    72228 |     9840      477      8 |  3.984 % |
0.39/0.40	|       815 |    4633    22147    72124 |    10825      813     13 |  3.991 % |
0.39/0.46	|      1321 |    4632    22138    72092 |    11907     1319     17 |  3.991 % |
0.49/0.54	|      2080 |    4632    22138    72092 |    13098     2078     18 |  3.991 % |
0.59/0.65	|      3219 |    4604    21894    71399 |    14408     3209     15 |  4.180 % |
0.79/0.89	|      4927 |    4604    21894    71399 |    15848     4917     17 |  4.180 % |
1.19/1.22	|      7489 |    4603    21889    71388 |    17433     7478     18 |  4.187 % |
1.79/1.87	|     11334 |    4603    21889    71388 |    19177    11323     20 |  4.187 % |
3.29/3.33	|     17100 |    4603    21889    71388 |    21094    17089     22 |  4.187 % |
6.29/6.38	|     25749 |    4603    21889    71388 |    23204    14108     32 |  4.187 % |
11.99/12.01	|     38723 |    4603    21889    71388 |    25524    14911     23 |  4.187 % |
20.18/20.22	|     58184 |    4568    21667    70874 |    28077    20848     37 |  4.423 % |
32.78/32.90	|     87376 |    4568    21667    70874 |    30885    20972     24 |  4.423 % |
54.07/54.19	|    131165 |    4552    21508    70264 |    33973    15651     29 |  4.531 % |
81.47/81.58	===============================================================================
81.47/81.58	restarts              : 17
81.47/81.58	conflicts             : 175593         (2154 /sec)
81.47/81.58	decisions             : 241137         (1.33 % random) (2957 /sec)
81.47/81.58	propagations          : 74878405       (918330 /sec)
81.47/81.58	conflict literals     : 5570156        (55.27 % deleted)
81.47/81.58	Memory used           : 13.05 MB
81.47/81.58	CPU time              : 81.5376 s
81.47/81.58	
81.47/81.58	s UNSATISFIABLE

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1796549-1242077305/watcher-1796549-1242077305 -o /tmp/evaluation-result-1796549-1242077305/solver-1796549-1242077305 -C 1200 -W 1800 -M 1800 minisat_static HOME/instance-1796549-1242077305.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): 1800 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 9343
/proc/meminfo: memFree=1947600/2055920 swapFree=4179768/4192956
[pid=9343] ppid=9341 vsize=2200 CPUtime=0
/proc/9343/stat : 9343 (minisat_static) R 9341 9343 9059 0 -1 4194304 356 0 0 0 0 0 0 0 18 0 1 0 235758413 2252800 341 1992294400 134512640 135243866 4294956256 18446744073709551615 134553583 0 0 4096 3 0 0 0 17 1 0 0
/proc/9343/statm: 550 341 65 178 0 370 0

[startup+0.070728 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 9343
/proc/meminfo: memFree=1947600/2055920 swapFree=4179768/4192956
[pid=9343] ppid=9341 vsize=6732 CPUtime=0.06
/proc/9343/stat : 9343 (minisat_static) R 9341 9343 9059 0 -1 4194304 1402 0 0 0 6 0 0 0 18 0 1 0 235758413 6893568 1387 1992294400 134512640 135243866 4294956256 18446744073709551615 134748230 0 0 4096 3 0 0 0 17 1 0 0
/proc/9343/statm: 1683 1387 81 178 0 1503 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 6732

[startup+0.101731 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 9343
/proc/meminfo: memFree=1947600/2055920 swapFree=4179768/4192956
[pid=9343] ppid=9341 vsize=7524 CPUtime=0.09
/proc/9343/stat : 9343 (minisat_static) R 9341 9343 9059 0 -1 4194304 1641 0 0 0 9 0 0 0 18 0 1 0 235758413 7704576 1626 1992294400 134512640 135243866 4294956256 18446744073709551615 134748230 0 0 4096 3 0 0 0 17 1 0 0
/proc/9343/statm: 1881 1626 81 178 0 1701 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7524

[startup+0.301752 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 9343
/proc/meminfo: memFree=1947600/2055920 swapFree=4179768/4192956
[pid=9343] ppid=9341 vsize=9512 CPUtime=0.29
/proc/9343/stat : 9343 (minisat_static) R 9341 9343 9059 0 -1 4194304 2348 0 0 0 29 0 0 0 19 0 1 0 235758413 9740288 2135 1992294400 134512640 135243866 4294956256 18446744073709551615 134555829 0 0 4096 3 0 0 0 17 1 0 0
/proc/9343/statm: 2378 2135 84 178 0 2198 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9512

[startup+0.701792 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 9343
/proc/meminfo: memFree=1947600/2055920 swapFree=4179768/4192956
[pid=9343] ppid=9341 vsize=9512 CPUtime=0.69
/proc/9343/stat : 9343 (minisat_static) R 9341 9343 9059 0 -1 4194304 2350 0 0 0 69 0 0 0 22 0 1 0 235758413 9740288 2137 1992294400 134512640 135243866 4294956256 18446744073709551615 134555826 0 0 4096 3 0 0 0 17 1 0 0
/proc/9343/statm: 2378 2137 86 178 0 2198 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9512

[startup+1.50187 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9344
/proc/meminfo: memFree=1939144/2055920 swapFree=4179768/4192956
[pid=9343] ppid=9341 vsize=9512 CPUtime=1.49
/proc/9343/stat : 9343 (minisat_static) R 9341 9343 9059 0 -1 4194304 2351 0 0 0 149 0 0 0 25 0 1 0 235758413 9740288 2138 1992294400 134512640 135243866 4294956256 18446744073709551615 134559530 0 0 4096 3 0 0 0 17 1 0 0
/proc/9343/statm: 2378 2138 86 178 0 2198 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9512

[startup+3.10104 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9344
/proc/meminfo: memFree=1939144/2055920 swapFree=4179768/4192956
[pid=9343] ppid=9341 vsize=9512 CPUtime=3.09
/proc/9343/stat : 9343 (minisat_static) R 9341 9343 9059 0 -1 4194304 2353 0 0 0 309 0 0 0 25 0 1 0 235758413 9740288 2140 1992294400 134512640 135243866 4294956256 18446744073709551615 134555920 0 0 4096 3 0 0 0 17 1 0 0
/proc/9343/statm: 2378 2140 86 178 0 2198 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 9512

[startup+6.30136 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9344
/proc/meminfo: memFree=1938248/2055920 swapFree=4179768/4192956
[pid=9343] ppid=9341 vsize=10720 CPUtime=6.29
/proc/9343/stat : 9343 (minisat_static) R 9341 9343 9059 0 -1 4194304 2637 0 0 0 628 1 0 0 25 0 1 0 235758413 10977280 2424 1992294400 134512640 135243866 4294956256 18446744073709551615 134558476 0 0 4096 3 0 0 0 17 1 0 0
/proc/9343/statm: 2680 2424 86 178 0 2500 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 10720

[startup+12.702 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9344
/proc/meminfo: memFree=1937736/2055920 swapFree=4179768/4192956
[pid=9343] ppid=9341 vsize=11116 CPUtime=12.69
/proc/9343/stat : 9343 (minisat_static) R 9341 9343 9059 0 -1 4194304 2764 0 0 0 1268 1 0 0 25 0 1 0 235758413 11382784 2551 1992294400 134512640 135243866 4294956256 18446744073709551615 134555901 0 0 4096 3 0 0 0 17 1 0 0
/proc/9343/statm: 2779 2551 86 178 0 2599 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 11116

[startup+25.5013 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9344
/proc/meminfo: memFree=1936776/2055920 swapFree=4179768/4192956
[pid=9343] ppid=9341 vsize=12300 CPUtime=25.48
/proc/9343/stat : 9343 (minisat_static) R 9341 9343 9059 0 -1 4194304 3021 0 0 0 2547 1 0 0 25 0 1 0 235758413 12595200 2808 1992294400 134512640 135243866 4294956256 18446744073709551615 134555822 0 0 4096 3 0 0 0 17 1 0 0
/proc/9343/statm: 3075 2808 86 178 0 2895 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 12300

[startup+51.1019 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9344
/proc/meminfo: memFree=1936520/2055920 swapFree=4179768/4192956
[pid=9343] ppid=9341 vsize=12564 CPUtime=51.07
/proc/9343/stat : 9343 (minisat_static) R 9341 9343 9059 0 -1 4194304 3107 0 0 0 5106 1 0 0 25 0 1 0 235758413 12865536 2894 1992294400 134512640 135243866 4294956256 18446744073709551615 134555920 0 0 4096 3 0 0 0 17 1 0 0
/proc/9343/statm: 3141 2894 86 178 0 2961 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 12564

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

[startup+63.9012 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9344
/proc/meminfo: memFree=1936392/2055920 swapFree=4179768/4192956
[pid=9343] ppid=9341 vsize=12564 CPUtime=63.88
/proc/9343/stat : 9343 (minisat_static) R 9341 9343 9059 0 -1 4194304 3119 0 0 0 6386 2 0 0 25 0 1 0 235758413 12865536 2906 1992294400 134512640 135243866 4294956256 18446744073709551615 134555929 0 0 4096 3 0 0 0 17 1 0 0
/proc/9343/statm: 3141 2906 86 178 0 2961 0
Current children cumulated CPU time (s) 63.88
Current children cumulated vsize (KiB) 12564

[startup+70.3019 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9344
/proc/meminfo: memFree=1936456/2055920 swapFree=4179768/4192956
[pid=9343] ppid=9341 vsize=12700 CPUtime=70.28
/proc/9343/stat : 9343 (minisat_static) R 9341 9343 9059 0 -1 4194304 3123 0 0 0 7026 2 0 0 25 0 1 0 235758413 13004800 2910 1992294400 134512640 135243866 4294956256 18446744073709551615 134555869 0 0 4096 3 0 0 0 17 1 0 0
/proc/9343/statm: 3175 2910 86 178 0 2995 0
Current children cumulated CPU time (s) 70.28
Current children cumulated vsize (KiB) 12700

[startup+76.7015 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9344
/proc/meminfo: memFree=1936456/2055920 swapFree=4179768/4192956
[pid=9343] ppid=9341 vsize=12700 CPUtime=76.67
/proc/9343/stat : 9343 (minisat_static) R 9341 9343 9059 0 -1 4194304 3136 0 0 0 7665 2 0 0 25 0 1 0 235758413 13004800 2923 1992294400 134512640 135243866 4294956256 18446744073709551615 134566466 0 0 4096 3 0 0 0 17 1 0 0
/proc/9343/statm: 3175 2923 86 178 0 2995 0
Current children cumulated CPU time (s) 76.67
Current children cumulated vsize (KiB) 12700

[startup+79.9019 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9344
/proc/meminfo: memFree=1936008/2055920 swapFree=4179768/4192956
[pid=9343] ppid=9341 vsize=13228 CPUtime=79.87
/proc/9343/stat : 9343 (minisat_static) R 9341 9343 9059 0 -1 4194304 3271 0 0 0 7985 2 0 0 25 0 1 0 235758413 13545472 3058 1992294400 134512640 135243866 4294956256 18446744073709551615 134555883 0 0 4096 3 0 0 0 17 1 0 0
/proc/9343/statm: 3307 3058 86 178 0 3127 0
Current children cumulated CPU time (s) 79.87
Current children cumulated vsize (KiB) 13228

[startup+80.7019 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9344
/proc/meminfo: memFree=1935816/2055920 swapFree=4179768/4192956
[pid=9343] ppid=9341 vsize=13360 CPUtime=80.67
/proc/9343/stat : 9343 (minisat_static) R 9341 9343 9059 0 -1 4194304 3303 0 0 0 8065 2 0 0 25 0 1 0 235758413 13680640 3090 1992294400 134512640 135243866 4294956256 18446744073709551615 134555746 0 0 4096 3 0 0 0 17 1 0 0
/proc/9343/statm: 3340 3090 86 178 0 3160 0
Current children cumulated CPU time (s) 80.67
Current children cumulated vsize (KiB) 13360

[startup+81.102 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9344
/proc/meminfo: memFree=1935816/2055920 swapFree=4179768/4192956
[pid=9343] ppid=9341 vsize=13360 CPUtime=81.07
/proc/9343/stat : 9343 (minisat_static) R 9341 9343 9059 0 -1 4194304 3314 0 0 0 8105 2 0 0 25 0 1 0 235758413 13680640 3101 1992294400 134512640 135243866 4294956256 18446744073709551615 134555629 0 0 4096 3 0 0 0 17 1 0 0
/proc/9343/statm: 3340 3101 86 178 0 3160 0
Current children cumulated CPU time (s) 81.07
Current children cumulated vsize (KiB) 13360

[startup+81.502 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 9344
/proc/meminfo: memFree=1935688/2055920 swapFree=4179768/4192956
[pid=9343] ppid=9341 vsize=13360 CPUtime=81.47
/proc/9343/stat : 9343 (minisat_static) R 9341 9343 9059 0 -1 4194304 3320 0 0 0 8145 2 0 0 25 0 1 0 235758413 13680640 3107 1992294400 134512640 135243866 4294956256 18446744073709551615 134555826 0 0 4096 3 0 0 0 17 1 0 0
/proc/9343/statm: 3340 3107 86 178 0 3160 0
Current children cumulated CPU time (s) 81.47
Current children cumulated vsize (KiB) 13360

Child status: 20
Real time (s): 81.5857
CPU time (s): 81.5646
CPU user time (s): 81.5386
CPU system time (s): 0.025996
CPU usage (%): 99.9742
Max. virtual memory (cumulated for all children) (KiB): 13360

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 81.5386
system time used= 0.025996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3330
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= 2
involuntary context switches= 220

runsolver used 0.069989 second user time and 0.171973 second system time

The end

Launcher Data 

Begin job on node45 at 2009-05-11 23:28:25
IDJOB=1796549
IDBENCH=69566
IDSOLVER=568
FILE ID=node45/1796549-1242077305
PBS_JOBID= 9277620
Free space on /tmp= 66228 MiB

SOLVER NAME= minisat2-simp 070721
BENCH NAME= SAT_RACE08/cnf/schup-l2s-abp4-1-k31.cnf
COMMAND LINE= minisat_static BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1796549-1242077305/watcher-1796549-1242077305 -o /tmp/evaluation-result-1796549-1242077305/solver-1796549-1242077305 -C 1200 -W 1800 -M 1800  minisat_static HOME/instance-1796549-1242077305.cnf

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 2ec4066bd8381455b1990aa40b382ff0
RANDOM SEED=1094340348

node45.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.231
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		: 3000.231
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:       1948016 kB
Buffers:          6524 kB
Cached:          20936 kB
SwapCached:       6948 kB
Active:          14724 kB
Inactive:        21044 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1948016 kB
SwapTotal:     4192956 kB
SwapFree:      4179768 kB
Dirty:            1872 kB
Writeback:           0 kB
Mapped:          13988 kB
Slab:            58136 kB
Committed_AS:   803712 kB
PageTables:       1376 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= 66228 MiB
End job on node45 at 2009-05-11 23:29:47