Trace number 1589718

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 30.0184 30.0325

General information on the benchmark

NameAPPLICATIONS/bitverif/
minxorminand/minxorminand032.cnf
MD5SUM49dda3faa6676166ee2ccb89f6cd8ca0
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark10.2294
Satisfiable
(Un)Satisfiability was proved
Number of variables10794
Number of clauses31997
Sum of the clauses size74657
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 221330
Number of clauses of size 310665
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

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:  10794                                                |
0.00/0.00	|  Number of clauses:    31997                                                |
0.00/0.03	|  Parsing time:         0.03         s                                       |
0.29/0.38	============================[ Search Statistics ]==============================
0.29/0.38	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.29/0.38	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.29/0.38	===============================================================================
0.29/0.38	|         0 |    1541    13181   101003 |     4393        0    nan |  0.000 % |
0.29/0.40	|       101 |    1541    13181   101003 |     4833      101     31 |  0.093 % |
0.39/0.41	|       251 |    1541    13181   101003 |     5316      251     42 |  0.093 % |
0.39/0.43	|       477 |    1541    13181   101003 |     5847      477     38 |  0.093 % |
0.39/0.46	|       815 |    1541    13181   101003 |     6432      815     39 |  0.093 % |
0.49/0.52	|      1321 |    1541    13181   101003 |     7076     1321     50 |  0.093 % |
0.49/0.59	|      2082 |    1541    13181   101003 |     7783     2082     74 |  0.093 % |
0.69/0.74	|      3225 |    1541    13181   101003 |     8562     3225     97 |  0.093 % |
0.89/0.92	|      4933 |    1541    13181   101003 |     9418     4933     79 |  0.093 % |
1.19/1.25	|      7495 |    1541    13181   101003 |    10360     7495     90 |  0.093 % |
1.89/1.90	|     11340 |    1541    13181   101003 |    11396     5911    108 |  0.093 % |
2.89/2.93	|     17106 |    1540    13149   100939 |    12535    11675    123 |  0.102 % |
4.69/4.71	|     25755 |    1540    13149   100939 |    13789     7601    105 |  0.102 % |
6.69/6.71	|     38729 |    1540    13149   100939 |    15168    13502     67 |  0.102 % |
10.49/10.54	|     58192 |    1540    13149   100939 |    16684     9802    104 |  0.102 % |
17.59/17.67	|     87388 |    1539    13117   100875 |    18353    13395    100 |  0.111 % |
25.68/25.71	|    131178 |    1539    13117   100875 |    20188    10557     70 |  0.111 % |
29.98/30.02	===============================================================================
29.98/30.02	restarts              : 17
29.98/30.02	conflicts             : 154481         (5150 /sec)
29.98/30.02	decisions             : 677121         (1.45 % random) (22573 /sec)
29.98/30.02	propagations          : 16031703       (534436 /sec)
29.98/30.02	conflict literals     : 15871993       (26.48 % deleted)
29.98/30.02	Memory used           : 17.79 MB
29.98/30.02	CPU time              : 29.9974 s
29.98/30.02	
29.98/30.02	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-1589718-1239104570/watcher-1589718-1239104570 -o /tmp/evaluation-result-1589718-1239104570/solver-1589718-1239104570 -C 1200 -W 1800 -M 1800 --output-limit 1,15 minisat_static HOME/instance-1589718-1239104570.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
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: 0.94 1.08 1.43 3/80 6922
/proc/meminfo: memFree=1079504/2055912 swapFree=4170596/4192956
[pid=6922] ppid=6920 vsize=2468 CPUtime=0
/proc/6922/stat : 6922 (minisat_static) R 6920 6922 6858 0 -1 4194304 349 0 0 0 0 0 0 0 18 0 1 0 1183120916 2527232 334 1992294400 134512640 135243866 4294956256 18446744073709551615 134764927 0 0 4096 3 0 0 0 17 0 0 0
/proc/6922/statm: 617 335 65 178 0 437 0

[startup+0.084877 s]
/proc/loadavg: 0.94 1.08 1.43 3/80 6922
/proc/meminfo: memFree=1079504/2055912 swapFree=4170596/4192956
[pid=6922] ppid=6920 vsize=6824 CPUtime=0.08
/proc/6922/stat : 6922 (minisat_static) R 6920 6922 6858 0 -1 4194304 1411 0 0 0 8 0 0 0 18 0 1 0 1183120916 6987776 1396 1992294400 134512640 135243866 4294956256 18446744073709551615 134748230 0 0 4096 3 0 0 0 17 0 0 0
/proc/6922/statm: 1706 1396 81 178 0 1526 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 6824

[startup+0.101878 s]
/proc/loadavg: 0.94 1.08 1.43 3/80 6922
/proc/meminfo: memFree=1079504/2055912 swapFree=4170596/4192956
[pid=6922] ppid=6920 vsize=7484 CPUtime=0.09
/proc/6922/stat : 6922 (minisat_static) R 6920 6922 6858 0 -1 4194304 1575 0 0 0 9 0 0 0 18 0 1 0 1183120916 7663616 1560 1992294400 134512640 135243866 4294956256 18446744073709551615 134748230 0 0 4096 3 0 0 0 17 0 0 0
/proc/6922/statm: 1871 1560 81 178 0 1691 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7484

[startup+0.301897 s]
/proc/loadavg: 0.94 1.08 1.43 3/80 6922
/proc/meminfo: memFree=1079504/2055912 swapFree=4170596/4192956
[pid=6922] ppid=6920 vsize=10628 CPUtime=0.29
/proc/6922/stat : 6922 (minisat_static) R 6920 6922 6858 0 -1 4194304 2323 0 0 0 29 0 0 0 20 0 1 0 1183120916 10883072 2308 1992294400 134512640 135243866 4294956256 18446744073709551615 134541347 0 0 4096 3 0 0 0 17 0 0 0
/proc/6922/statm: 2657 2308 81 178 0 2477 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10628

[startup+0.701939 s]
/proc/loadavg: 0.94 1.08 1.43 3/80 6922
/proc/meminfo: memFree=1079504/2055912 swapFree=4170596/4192956
[pid=6922] ppid=6920 vsize=10216 CPUtime=0.69
/proc/6922/stat : 6922 (minisat_static) R 6920 6922 6858 0 -1 4194304 2392 0 0 0 69 0 0 0 24 0 1 0 1183120916 10461184 2255 1992294400 134512640 135243866 4294956256 18446744073709551615 134565172 0 0 4096 3 0 0 0 17 0 0 0
/proc/6922/statm: 2554 2255 87 178 0 2374 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10216

[startup+1.50202 s]
/proc/loadavg: 0.95 1.08 1.43 2/81 6923
/proc/meminfo: memFree=1070536/2055912 swapFree=4170596/4192956
[pid=6922] ppid=6920 vsize=11956 CPUtime=1.49
/proc/6922/stat : 6922 (minisat_static) R 6920 6922 6858 0 -1 4194304 2828 0 0 0 149 0 0 0 25 0 1 0 1183120916 12242944 2691 1992294400 134512640 135243866 4294956256 18446744073709551615 134748230 0 0 4096 3 0 0 0 17 0 0 0
/proc/6922/statm: 2989 2691 87 178 0 2809 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 11956

[startup+3.10119 s]
/proc/loadavg: 0.95 1.08 1.43 2/81 6923
/proc/meminfo: memFree=1067720/2055912 swapFree=4170596/4192956
[pid=6922] ppid=6920 vsize=14860 CPUtime=3.09
/proc/6922/stat : 6922 (minisat_static) R 6920 6922 6858 0 -1 4194304 3549 0 0 0 308 1 0 0 25 0 1 0 1183120916 15216640 3412 1992294400 134512640 135243866 4294956256 18446744073709551615 134555920 0 0 4096 3 0 0 0 17 0 0 0
/proc/6922/statm: 3715 3412 87 178 0 3535 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 14860

[startup+6.30252 s]
/proc/loadavg: 0.95 1.08 1.42 2/81 6923
/proc/meminfo: memFree=1065360/2055912 swapFree=4170596/4192956
[pid=6922] ppid=6920 vsize=15388 CPUtime=6.29
/proc/6922/stat : 6922 (minisat_static) R 6920 6922 6858 0 -1 4194304 3679 0 0 0 628 1 0 0 25 0 1 0 1183120916 15757312 3542 1992294400 134512640 135243866 4294956256 18446744073709551615 134555920 0 0 4096 3 0 0 0 17 0 0 0
/proc/6922/statm: 3847 3542 87 178 0 3667 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 15388

[startup+12.7012 s]
/proc/loadavg: 0.95 1.08 1.42 2/81 6923
/proc/meminfo: memFree=1063384/2055912 swapFree=4170596/4192956
[pid=6922] ppid=6920 vsize=18036 CPUtime=12.69
/proc/6922/stat : 6922 (minisat_static) R 6920 6922 6858 0 -1 4194304 4350 0 0 0 1268 1 0 0 25 0 1 0 1183120916 18468864 4213 1992294400 134512640 135243866 4294956256 18446744073709551615 134556398 0 0 4096 3 0 0 0 17 0 0 0
/proc/6922/statm: 4509 4213 87 178 0 4329 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 18036

[startup+25.5015 s]
/proc/loadavg: 0.96 1.08 1.42 2/81 6923
/proc/meminfo: memFree=1062552/2055912 swapFree=4170596/4192956
[pid=6922] ppid=6920 vsize=18216 CPUtime=25.48
/proc/6922/stat : 6922 (minisat_static) R 6920 6922 6858 0 -1 4194304 4369 0 0 0 2547 1 0 0 25 0 1 0 1183120916 18653184 4232 1992294400 134512640 135243866 4294956256 18446744073709551615 134555920 0 0 4096 3 0 0 0 17 0 0 0
/proc/6922/statm: 4554 4232 87 178 0 4374 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 18216

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

[startup+27.1017 s]
/proc/loadavg: 0.96 1.08 1.41 2/81 6923
/proc/meminfo: memFree=1062552/2055912 swapFree=4170596/4192956
[pid=6922] ppid=6920 vsize=18216 CPUtime=27.08
/proc/6922/stat : 6922 (minisat_static) R 6920 6922 6858 0 -1 4194304 4370 0 0 0 2707 1 0 0 25 0 1 0 1183120916 18653184 4233 1992294400 134512640 135243866 4294956256 18446744073709551615 134556115 0 0 4096 3 0 0 0 17 0 0 0
/proc/6922/statm: 4554 4233 87 178 0 4374 0
Current children cumulated CPU time (s) 27.08
Current children cumulated vsize (KiB) 18216

[startup+28.7019 s]
/proc/loadavg: 0.96 1.08 1.41 2/81 6923
/proc/meminfo: memFree=1062552/2055912 swapFree=4170596/4192956
[pid=6922] ppid=6920 vsize=18216 CPUtime=28.68
/proc/6922/stat : 6922 (minisat_static) R 6920 6922 6858 0 -1 4194304 4371 0 0 0 2867 1 0 0 25 0 1 0 1183120916 18653184 4234 1992294400 134512640 135243866 4294956256 18446744073709551615 134555804 0 0 4096 3 0 0 0 17 0 0 0
/proc/6922/statm: 4554 4234 87 178 0 4374 0
Current children cumulated CPU time (s) 28.68
Current children cumulated vsize (KiB) 18216

[startup+29.5019 s]
/proc/loadavg: 0.96 1.08 1.41 2/81 6923
/proc/meminfo: memFree=1062552/2055912 swapFree=4170596/4192956
[pid=6922] ppid=6920 vsize=18216 CPUtime=29.48
/proc/6922/stat : 6922 (minisat_static) R 6920 6922 6858 0 -1 4194304 4371 0 0 0 2947 1 0 0 25 0 1 0 1183120916 18653184 4234 1992294400 134512640 135243866 4294956256 18446744073709551615 134566126 0 0 4096 3 0 0 0 17 0 0 0
/proc/6922/statm: 4554 4234 87 178 0 4374 0
Current children cumulated CPU time (s) 29.48
Current children cumulated vsize (KiB) 18216

[startup+29.902 s]
/proc/loadavg: 0.96 1.08 1.41 2/81 6923
/proc/meminfo: memFree=1062552/2055912 swapFree=4170596/4192956
[pid=6922] ppid=6920 vsize=18216 CPUtime=29.88
/proc/6922/stat : 6922 (minisat_static) R 6920 6922 6858 0 -1 4194304 4371 0 0 0 2987 1 0 0 25 0 1 0 1183120916 18653184 4234 1992294400 134512640 135243866 4294956256 18446744073709551615 134565457 0 0 4096 3 0 0 0 17 0 0 0
/proc/6922/statm: 4554 4234 87 178 0 4374 0
Current children cumulated CPU time (s) 29.88
Current children cumulated vsize (KiB) 18216

[startup+30.002 s]
/proc/loadavg: 0.96 1.08 1.41 2/81 6923
/proc/meminfo: memFree=1062552/2055912 swapFree=4170596/4192956
[pid=6922] ppid=6920 vsize=18216 CPUtime=29.98
/proc/6922/stat : 6922 (minisat_static) R 6920 6922 6858 0 -1 4194304 4371 0 0 0 2997 1 0 0 25 0 1 0 1183120916 18653184 4234 1992294400 134512640 135243866 4294956256 18446744073709551615 134555808 0 0 4096 3 0 0 0 17 0 0 0
/proc/6922/statm: 4554 4234 87 178 0 4374 0
Current children cumulated CPU time (s) 29.98
Current children cumulated vsize (KiB) 18216

Child status: 20
Real time (s): 30.0325
CPU time (s): 30.0184
CPU user time (s): 29.9974
CPU system time (s): 0.020996
CPU usage (%): 99.953
Max. virtual memory (cumulated for all children) (KiB): 18216

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 29.9974
system time used= 0.020996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4381
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= 117

runsolver used 0.042993 second user time and 0.103984 second system time

The end

Launcher Data 

Begin job on node78 at 2009-04-07 13:42:50
IDJOB=1589718
IDBENCH=70759
IDSOLVER=568
FILE ID=node78/1589718-1239104570
PBS_JOBID= 9110801
Free space on /tmp= 126632 MiB

SOLVER NAME= minisat2-simp 070721
BENCH NAME= SAT09/APPLICATIONS/bitverif/minxorminand/minxorminand032.cnf
COMMAND LINE= minisat_static BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1589718-1239104570/watcher-1589718-1239104570 -o /tmp/evaluation-result-1589718-1239104570/solver-1589718-1239104570 -C 1200 -W 1800 -M 1800 --output-limit 1,15  minisat_static HOME/instance-1589718-1239104570.cnf

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

MD5SUM BENCH= 49dda3faa6676166ee2ccb89f6cd8ca0
RANDOM SEED=365009271

node78.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		: 3000.214
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		: 3000.214
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:      2055912 kB
MemFree:       1079928 kB
Buffers:         49212 kB
Cached:         839304 kB
SwapCached:       7656 kB
Active:          51736 kB
Inactive:       846976 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055912 kB
LowFree:       1079928 kB
SwapTotal:     4192956 kB
SwapFree:      4170596 kB
Dirty:            1360 kB
Writeback:           0 kB
Mapped:          15884 kB
Slab:            61388 kB
Committed_AS:  3201108 kB
PageTables:       2556 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 126632 MiB
End job on node78 at 2009-04-07 13:43:20