Trace number 428343

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
minimarch 2007-04-26 (fixed)UNSAT 11.7532 11.7954

General information on the benchmark

Namecrafted/spence/
medium/s65-100.cnf
MD5SUMc783ce32e47f2d2dd661851cca52c3a7
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark3.61445
Satisfiable
(Un)Satisfiability was proved
Number of variables65
Number of clauses140
Sum of the clauses size420
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 3140
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	This is MiniMarch 1.1, a modified version of 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:  65                                                   |
0.00/0.00	|  Number of clauses:    140                                                  |
0.00/0.00	|  Parsing time:         0.00         s                                       |
0.00/0.00	============================[ Search Statistics ]==============================
0.00/0.00	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.00	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.00	===============================================================================
0.00/0.00	|         0 |      65      140      420 |       46        0    nan |  0.000 % |
0.00/0.00	|       101 |      65      140      420 |       51       65     12 |  0.024 % |
0.00/0.00	|       251 |      65      140      420 |       56       70     10 |  0.024 % |
0.00/0.00	|       478 |      65      140      420 |       62       75     11 |  0.024 % |
0.00/0.01	|       816 |      65      140      420 |       68       57      9 |  0.024 % |
0.00/0.02	|      1322 |      65      140      420 |       75       76      9 |  0.024 % |
0.00/0.03	|      2081 |      65      140      420 |       82       79      9 |  0.024 % |
0.00/0.04	|      3221 |      65      140      420 |       90       98      9 |  0.024 % |
0.04/0.07	|      4929 |      65      140      420 |      100       74      7 |  0.024 % |
0.09/0.10	|      7492 |      65      140      420 |      110      115      9 |  0.024 % |
0.09/0.16	|     11336 |      65      140      420 |      121      129      9 |  0.024 % |
0.19/0.25	|     17102 |      65      140      420 |      133      109      8 |  0.024 % |
0.29/0.37	|     25751 |      65      140      420 |      146      141      8 |  0.024 % |
0.49/0.56	|     38725 |      65      140      420 |      161      111      8 |  0.024 % |
0.79/0.85	|     58186 |      65      140      420 |      177      162      9 |  0.024 % |
1.19/1.28	|     87379 |      65      140      420 |      194      189      9 |  0.024 % |
1.89/1.93	|    131168 |      65      140      420 |      214      127      8 |  0.024 % |
2.89/2.99	|    196852 |      65      140      420 |      235      164      8 |  0.026 % |
4.59/4.61	|    295378 |      65      140      420 |      259      219      9 |  0.025 % |
6.89/6.95	|    443167 |      65      140      420 |      285      274      9 |  0.048 % |
10.49/10.58	|    664851 |      64      137      411 |      313      306      9 |  1.586 % |
11.69/11.75	===============================================================================
11.69/11.75	lookaheads            : 713892
11.69/11.75	variable balance      : 0.00
11.69/11.75	restarts              : 21
11.69/11.75	conflicts             : 736141         (62649 /sec)
11.69/11.75	decisions             : 812064         (1.52 % random) (69111 /sec)
11.69/11.75	decision = positive   : 424568
11.69/11.75	decision = negative   : 387496
11.69/11.75	propagations          : 18207778       (1549570 /sec)
11.69/11.75	conflict literals     : 8197501        (15.23 % deleted)
11.69/11.75	Memory used           : 1.70 MB
11.69/11.75	CPU time              : 11.7502 s
11.69/11.75	
11.69/11.75	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/node20/watcher-428343-1177717316 -o ROOT/results/node20/solver-428343-1177717316 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/428343-1177717316/minimarch_fixed /tmp/evaluation/428343-1177717316/instance-428343-1177717316.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): 2400 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: 0.91 0.98 0.99 3/77 7635
/proc/meminfo: memFree=1632872/2055920 swapFree=4154160/4192956
[pid=7635] ppid=7633 vsize=1732 CPUtime=0
/proc/7635/stat : 7635 (minimarch_fixed) R 7633 7635 6457 0 -1 4194304 99 0 0 0 0 0 0 0 18 0 1 0 219648980 1773568 84 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134552921 0 0 4096 3 0 0 0 17 1 0 0
/proc/7635/statm: 433 84 67 132 0 298 0

[startup+0.0518881 s]
/proc/loadavg: 0.91 0.98 0.99 3/77 7635
/proc/meminfo: memFree=1632872/2055920 swapFree=4154160/4192956
[pid=7635] ppid=7633 vsize=1732 CPUtime=0.04
/proc/7635/stat : 7635 (minimarch_fixed) R 7633 7635 6457 0 -1 4194304 101 0 0 0 4 0 0 0 18 0 1 0 219648980 1773568 86 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134557668 0 0 4096 3 0 0 0 17 1 0 0
/proc/7635/statm: 433 86 67 132 0 298 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 1732

[startup+0.101898 s]
/proc/loadavg: 0.91 0.98 0.99 3/77 7635
/proc/meminfo: memFree=1632872/2055920 swapFree=4154160/4192956
[pid=7635] ppid=7633 vsize=1732 CPUtime=0.09
/proc/7635/stat : 7635 (minimarch_fixed) R 7633 7635 6457 0 -1 4194304 102 0 0 0 9 0 0 0 18 0 1 0 219648980 1773568 87 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134557292 0 0 4096 3 0 0 0 17 1 0 0
/proc/7635/statm: 433 87 67 132 0 298 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1732

[startup+0.301937 s]
/proc/loadavg: 0.91 0.98 0.99 3/77 7635
/proc/meminfo: memFree=1632872/2055920 swapFree=4154160/4192956
[pid=7635] ppid=7633 vsize=1732 CPUtime=0.29
/proc/7635/stat : 7635 (minimarch_fixed) R 7633 7635 6457 0 -1 4194304 102 0 0 0 29 0 0 0 19 0 1 0 219648980 1773568 87 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134552476 0 0 4096 3 0 0 0 17 1 0 0
/proc/7635/statm: 433 87 67 132 0 298 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1732

[startup+0.702018 s]
/proc/loadavg: 0.91 0.98 0.99 3/77 7635
/proc/meminfo: memFree=1632872/2055920 swapFree=4154160/4192956
[pid=7635] ppid=7633 vsize=1732 CPUtime=0.69
/proc/7635/stat : 7635 (minimarch_fixed) R 7633 7635 6457 0 -1 4194304 103 0 0 0 69 0 0 0 23 0 1 0 219648980 1773568 88 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134563418 0 0 4096 3 0 0 0 17 1 0 0
/proc/7635/statm: 433 88 67 132 0 298 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 1732

[startup+1.50118 s]
/proc/loadavg: 0.91 0.98 0.99 2/78 7636
/proc/meminfo: memFree=1632672/2055920 swapFree=4154160/4192956
[pid=7635] ppid=7633 vsize=1732 CPUtime=1.49
/proc/7635/stat : 7635 (minimarch_fixed) R 7633 7635 6457 0 -1 4194304 106 0 0 0 149 0 0 0 25 0 1 0 219648980 1773568 91 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134557581 0 0 4096 3 0 0 0 17 1 0 0
/proc/7635/statm: 433 91 67 132 0 298 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 1732

[startup+3.1015 s]
/proc/loadavg: 0.91 0.98 0.99 2/78 7636
/proc/meminfo: memFree=1632544/2055920 swapFree=4154160/4192956
[pid=7635] ppid=7633 vsize=1732 CPUtime=3.09
/proc/7635/stat : 7635 (minimarch_fixed) R 7633 7635 6457 0 -1 4194304 109 0 0 0 309 0 0 0 25 0 1 0 219648980 1773568 94 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134557668 0 0 4096 3 0 0 0 17 1 0 0
/proc/7635/statm: 433 94 67 132 0 298 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 1732

[startup+6.30114 s]
/proc/loadavg: 0.92 0.98 0.99 2/78 7636
/proc/meminfo: memFree=1632480/2055920 swapFree=4154160/4192956
[pid=7635] ppid=7633 vsize=1732 CPUtime=6.29
/proc/7635/stat : 7635 (minimarch_fixed) R 7633 7635 6457 0 -1 4194304 112 0 0 0 629 0 0 0 25 0 1 0 219648980 1773568 97 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134551374 0 0 4096 3 0 0 0 17 1 0 0
/proc/7635/statm: 433 97 67 132 0 298 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 1732

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

[startup+9.50179 s]
/proc/loadavg: 0.92 0.98 0.99 2/78 7636
/proc/meminfo: memFree=1632480/2055920 swapFree=4154160/4192956
[pid=7635] ppid=7633 vsize=1732 CPUtime=9.49
/proc/7635/stat : 7635 (minimarch_fixed) R 7633 7635 6457 0 -1 4194304 114 0 0 0 949 0 0 0 25 0 1 0 219648980 1773568 99 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134558347 0 0 4096 3 0 0 0 17 1 0 0
/proc/7635/statm: 433 99 67 132 0 298 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 1732

[startup+11.1011 s]
/proc/loadavg: 0.93 0.98 0.99 2/78 7636
/proc/meminfo: memFree=1632416/2055920 swapFree=4154160/4192956
[pid=7635] ppid=7633 vsize=1732 CPUtime=11.09
/proc/7635/stat : 7635 (minimarch_fixed) R 7633 7635 6457 0 -1 4194304 115 0 0 0 1109 0 0 0 25 0 1 0 219648980 1773568 100 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134552660 0 0 4096 3 0 0 0 17 1 0 0
/proc/7635/statm: 433 100 67 132 0 298 0
Current children cumulated CPU time (s) 11.09
Current children cumulated vsize (KiB) 1732

[startup+11.5012 s]
/proc/loadavg: 0.93 0.98 0.99 2/78 7636
/proc/meminfo: memFree=1632416/2055920 swapFree=4154160/4192956
[pid=7635] ppid=7633 vsize=1732 CPUtime=11.49
/proc/7635/stat : 7635 (minimarch_fixed) R 7633 7635 6457 0 -1 4194304 116 0 0 0 1149 0 0 0 25 0 1 0 219648980 1773568 101 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134631271 0 0 4096 3 0 0 0 17 1 0 0
/proc/7635/statm: 433 101 67 132 0 298 0
Current children cumulated CPU time (s) 11.49
Current children cumulated vsize (KiB) 1732

[startup+11.7012 s]
/proc/loadavg: 0.93 0.98 0.99 2/78 7636
/proc/meminfo: memFree=1632416/2055920 swapFree=4154160/4192956
[pid=7635] ppid=7633 vsize=1732 CPUtime=11.69
/proc/7635/stat : 7635 (minimarch_fixed) R 7633 7635 6457 0 -1 4194304 116 0 0 0 1169 0 0 0 25 0 1 0 219648980 1773568 101 18446744073709551615 134512640 135054336 4294956656 18446744073709551615 134631263 0 0 4096 3 0 0 0 17 1 0 0
/proc/7635/statm: 433 101 67 132 0 298 0
Current children cumulated CPU time (s) 11.69
Current children cumulated vsize (KiB) 1732

Child status: 20
Real time (s): 11.7954
CPU time (s): 11.7532
CPU user time (s): 11.7502
CPU system time (s): 0.002999
CPU usage (%): 99.6425
Max. virtual memory (cumulated for all children) (KiB): 1732

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 11.7502
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 123
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= 240

runsolver used 0.010998 second user time and 0.028995 second system time

The end

Launcher Data (download as text)

Begin job on node20 on Fri Apr 27 23:41:56 UTC 2007

IDJOB= 428343
IDBENCH= 20441
IDSOLVER= 198
FILE ID= node20/428343-1177717316

PBS_JOBID= 4698749

Free space on /tmp= 66527 MiB

SOLVER NAME= minimarch 2007-04-26 (fixed)
BENCH NAME= HOME/pub/bench/SAT07/crafted/spence/medium/s65-100.cnf
COMMAND LINE= /tmp/evaluation/428343-1177717316/minimarch_fixed /tmp/evaluation/428343-1177717316/instance-428343-1177717316.cnf
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node20/watcher-428343-1177717316 -o ROOT/results/node20/solver-428343-1177717316 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/428343-1177717316/minimarch_fixed /tmp/evaluation/428343-1177717316/instance-428343-1177717316.cnf

META MD5SUM SOLVER= 08d902191c06ef4f82d57c2f2b6a82c2
MD5SUM BENCH=  c783ce32e47f2d2dd661851cca52c3a7

RANDOM SEED= 221444654

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node20.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		: 3000.265
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		: 3000.265
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:       1633344 kB
Buffers:         49976 kB
Cached:         282344 kB
SwapCached:      18424 kB
Active:         199340 kB
Inactive:       158120 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1633344 kB
SwapTotal:     4192956 kB
SwapFree:      4154160 kB
Dirty:            3032 kB
Writeback:           0 kB
Mapped:          30268 kB
Slab:            50660 kB
Committed_AS:  2119120 kB
PageTables:       1744 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= 66527 MiB

End job on node20 on Fri Apr 27 23:42:08 UTC 2007