Trace number 1797780

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-core 070721UNSAT 47.3898 47.4052

General information on the benchmark

Nameindustrial/anbulagan/
medium-unsat/total-5-11-u.cnf
MD5SUM770fa9cd880a43d98e936f33f4e86d7a
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark23.5344
Satisfiable
(Un)Satisfiability was proved
Number of variables156980
Number of clauses696581
Sum of the clauses size1582352
Maximum clause length10
Minimum clause length1
Number of clauses of size 113310
Number of clauses of size 2570471
Number of clauses of size 382900
Number of clauses of size 43320
Number of clauses of size 513280
Number of clauses of size over 513300

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:  156980                                               |
0.00/0.00	|  Number of clauses:    696581                                               |
0.39/0.42	|  Parsing time:         0.36         s                                       |
0.39/0.47	============================[ Search Statistics ]==============================
0.39/0.47	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.39/0.47	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.39/0.47	===============================================================================
0.39/0.47	|         0 |  115437   493058  1165711 |   164352        0    nan |  0.000 % |
0.78/0.86	|       100 |  112447   493058  1165711 |   180787       84     49 | 51.645 % |
1.38/1.40	|       250 |   72673   291049   715860 |   198866      176     35 | 54.745 % |
2.19/2.25	|       477 |   62272   240061   603284 |   218753      384     67 | 60.331 % |
3.29/3.32	|       816 |   57279   216582   550567 |   240628      710     72 | 63.692 % |
4.58/4.66	|      1323 |   43114   154283   395956 |   264691      936     81 | 73.081 % |
5.79/5.82	|      2082 |   41579   147503   381003 |   291160     1688     62 | 73.938 % |
8.29/8.39	|      3221 |   40014   137738   357350 |   320276     2782     58 | 74.510 % |
13.29/13.32	|      4930 |   40013   137734   357342 |   352304     4490     56 | 74.511 % |
21.18/21.24	|      7494 |   39467   135268   351763 |   387534     7041     54 | 74.859 % |
28.68/28.72	|     11338 |   39467   135268   351763 |   426288    10885     51 | 74.859 % |
44.78/44.87	|     17104 |   38089   129413   338306 |   468917    16599     48 | 75.808 % |
47.28/47.39	===============================================================================
47.28/47.39	restarts              : 12
47.28/47.39	conflicts             : 18167          (384 /sec)
47.28/47.39	decisions             : 36990          (0.90 % random) (782 /sec)
47.28/47.39	propagations          : 72628641       (1535236 /sec)
47.28/47.39	conflict literals     : 846099         (41.19 % deleted)
47.28/47.39	Memory used           : 41.54 MB
47.28/47.39	CPU time              : 47.3078 s
47.28/47.39	
47.28/47.39	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-1797780-1242071508/watcher-1797780-1242071508 -o /tmp/evaluation-result-1797780-1242071508/solver-1797780-1242071508 -C 1200 -W 1800 -M 1800 minisat_static HOME/instance-1797780-1242071508.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: 0.92 1.15 1.55 3/65 14447
/proc/meminfo: memFree=1350136/2055920 swapFree=4180260/4192956
[pid=14447] ppid=14445 vsize=1884 CPUtime=0
/proc/14447/stat : 14447 (minisat_static) R 14445 14447 14410 0 -1 4194304 264 0 0 0 0 0 0 0 20 0 1 0 235178674 1929216 249 1992294400 134512640 135213614 4294956256 18446744073709551615 134741438 0 0 4096 3 0 0 0 17 1 0 0
/proc/14447/statm: 471 256 46 171 0 297 0

[startup+0.0991621 s]
/proc/loadavg: 0.92 1.15 1.55 3/65 14447
/proc/meminfo: memFree=1350136/2055920 swapFree=4180260/4192956
[pid=14447] ppid=14445 vsize=17140 CPUtime=0.09
/proc/14447/stat : 14447 (minisat_static) R 14445 14447 14410 0 -1 4194304 3629 0 0 0 7 2 0 0 20 0 1 0 235178674 17551360 3614 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/14447/statm: 4285 3615 58 171 0 4111 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 17140

[startup+0.101163 s]
/proc/loadavg: 0.92 1.15 1.55 3/65 14447
/proc/meminfo: memFree=1350136/2055920 swapFree=4180260/4192956
[pid=14447] ppid=14445 vsize=17140 CPUtime=0.09
/proc/14447/stat : 14447 (minisat_static) R 14445 14447 14410 0 -1 4194304 3656 0 0 0 7 2 0 0 20 0 1 0 235178674 17551360 3641 1992294400 134512640 135213614 4294956256 18446744073709551615 134741438 0 0 4096 3 0 0 0 17 1 0 0
/proc/14447/statm: 4285 3641 58 171 0 4111 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 17140

[startup+0.30118 s]
/proc/loadavg: 0.92 1.15 1.55 3/65 14447
/proc/meminfo: memFree=1350136/2055920 swapFree=4180260/4192956
[pid=14447] ppid=14445 vsize=33192 CPUtime=0.29
/proc/14447/stat : 14447 (minisat_static) R 14445 14447 14410 0 -1 4194304 7487 0 0 0 24 5 0 0 22 0 1 0 235178674 33988608 7472 1992294400 134512640 135213614 4294956256 18446744073709551615 134719510 0 0 4096 3 0 0 0 17 1 0 0
/proc/14447/statm: 8298 7473 58 171 0 8124 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 33192

[startup+0.701219 s]
/proc/loadavg: 0.92 1.15 1.55 3/65 14447
/proc/meminfo: memFree=1350136/2055920 swapFree=4180260/4192956
[pid=14447] ppid=14445 vsize=42068 CPUtime=0.68
/proc/14447/stat : 14447 (minisat_static) R 14445 14447 14410 0 -1 4194304 9619 0 0 0 62 6 0 0 25 0 1 0 235178674 43077632 9604 1992294400 134512640 135213614 4294956256 18446744073709551615 134538921 0 0 4096 3 0 0 0 17 1 0 0
/proc/14447/statm: 10517 9604 74 171 0 10343 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 42068

[startup+1.5013 s]
/proc/loadavg: 0.92 1.15 1.55 2/66 14448
/proc/meminfo: memFree=1311856/2055920 swapFree=4180260/4192956
[pid=14447] ppid=14445 vsize=42336 CPUtime=1.48
/proc/14447/stat : 14447 (minisat_static) R 14445 14447 14410 0 -1 4194304 9638 0 0 0 142 6 0 0 25 0 1 0 235178674 43352064 9623 1992294400 134512640 135213614 4294956256 18446744073709551615 134526939 0 0 4096 3 0 0 0 17 1 0 0
/proc/14447/statm: 10584 9623 78 171 0 10410 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 42336

[startup+3.10245 s]
/proc/loadavg: 0.92 1.15 1.55 2/66 14448
/proc/meminfo: memFree=1311728/2055920 swapFree=4180260/4192956
[pid=14447] ppid=14445 vsize=42336 CPUtime=3.08
/proc/14447/stat : 14447 (minisat_static) R 14445 14447 14410 0 -1 4194304 9641 0 0 0 302 6 0 0 25 0 1 0 235178674 43352064 9626 1992294400 134512640 135213614 4294956256 18446744073709551615 134526685 0 0 4096 3 0 0 0 17 1 0 0
/proc/14447/statm: 10584 9626 78 171 0 10410 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 42336

[startup+6.30177 s]
/proc/loadavg: 0.93 1.15 1.55 2/66 14448
/proc/meminfo: memFree=1311344/2055920 swapFree=4180260/4192956
[pid=14447] ppid=14445 vsize=42336 CPUtime=6.29
/proc/14447/stat : 14447 (minisat_static) R 14445 14447 14410 0 -1 4194304 9641 0 0 0 622 7 0 0 25 0 1 0 235178674 43352064 9626 1992294400 134512640 135213614 4294956256 18446744073709551615 134527171 0 0 4096 3 0 0 0 17 1 0 0
/proc/14447/statm: 10584 9626 78 171 0 10410 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 42336

[startup+12.7014 s]
/proc/loadavg: 0.93 1.15 1.54 2/66 14448
/proc/meminfo: memFree=1311544/2055920 swapFree=4180260/4192956
[pid=14447] ppid=14445 vsize=42336 CPUtime=12.69
/proc/14447/stat : 14447 (minisat_static) R 14445 14447 14410 0 -1 4194304 9642 0 0 0 1262 7 0 0 25 0 1 0 235178674 43352064 9627 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/14447/statm: 10584 9627 78 171 0 10410 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 42336

[startup+25.5016 s]
/proc/loadavg: 0.95 1.14 1.54 2/66 14448
/proc/meminfo: memFree=1311608/2055920 swapFree=4180260/4192956
[pid=14447] ppid=14445 vsize=42336 CPUtime=25.48
/proc/14447/stat : 14447 (minisat_static) R 14445 14447 14410 0 -1 4194304 9642 0 0 0 2541 7 0 0 25 0 1 0 235178674 43352064 9627 1992294400 134512640 135213614 4294956256 18446744073709551615 134526736 0 0 4096 3 0 0 0 17 1 0 0
/proc/14447/statm: 10584 9627 78 171 0 10410 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 42336

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

[startup+38.3019 s]
/proc/loadavg: 0.95 1.14 1.53 2/66 14448
/proc/meminfo: memFree=1311736/2055920 swapFree=4180260/4192956
[pid=14447] ppid=14445 vsize=42536 CPUtime=38.28
/proc/14447/stat : 14447 (minisat_static) R 14445 14447 14410 0 -1 4194304 9658 0 0 0 3821 7 0 0 25 0 1 0 235178674 43556864 9643 1992294400 134512640 135213614 4294956256 18446744073709551615 134526976 0 0 4096 3 0 0 0 17 1 0 0
/proc/14447/statm: 10634 9643 78 171 0 10460 0
Current children cumulated CPU time (s) 38.28
Current children cumulated vsize (KiB) 42536

[startup+41.5012 s]
/proc/loadavg: 0.96 1.13 1.53 2/66 14448
/proc/meminfo: memFree=1311736/2055920 swapFree=4180260/4192956
[pid=14447] ppid=14445 vsize=42536 CPUtime=41.48
/proc/14447/stat : 14447 (minisat_static) R 14445 14447 14410 0 -1 4194304 9659 0 0 0 4141 7 0 0 25 0 1 0 235178674 43556864 9644 1992294400 134512640 135213614 4294956256 18446744073709551615 134526685 0 0 4096 3 0 0 0 17 1 0 0
/proc/14447/statm: 10634 9644 78 171 0 10460 0
Current children cumulated CPU time (s) 41.48
Current children cumulated vsize (KiB) 42536

[startup+44.7015 s]
/proc/loadavg: 0.96 1.13 1.52 2/66 14448
/proc/meminfo: memFree=1311736/2055920 swapFree=4180260/4192956
[pid=14447] ppid=14445 vsize=42536 CPUtime=44.68
/proc/14447/stat : 14447 (minisat_static) R 14445 14447 14410 0 -1 4194304 9660 0 0 0 4461 7 0 0 25 0 1 0 235178674 43556864 9645 1992294400 134512640 135213614 4294956256 18446744073709551615 134526854 0 0 4096 3 0 0 0 17 1 0 0
/proc/14447/statm: 10634 9645 78 171 0 10460 0
Current children cumulated CPU time (s) 44.68
Current children cumulated vsize (KiB) 42536

[startup+46.3027 s]
/proc/loadavg: 0.96 1.13 1.52 2/66 14448
/proc/meminfo: memFree=1311736/2055920 swapFree=4180260/4192956
[pid=14447] ppid=14445 vsize=42536 CPUtime=46.28
/proc/14447/stat : 14447 (minisat_static) R 14445 14447 14410 0 -1 4194304 9660 0 0 0 4621 7 0 0 25 0 1 0 235178674 43556864 9645 1992294400 134512640 135213614 4294956256 18446744073709551615 134526715 0 0 4096 3 0 0 0 17 1 0 0
/proc/14447/statm: 10634 9645 78 171 0 10460 0
Current children cumulated CPU time (s) 46.28
Current children cumulated vsize (KiB) 42536

[startup+47.1017 s]
/proc/loadavg: 0.96 1.13 1.52 2/66 14448
/proc/meminfo: memFree=1311736/2055920 swapFree=4180260/4192956
[pid=14447] ppid=14445 vsize=42536 CPUtime=47.08
/proc/14447/stat : 14447 (minisat_static) R 14445 14447 14410 0 -1 4194304 9660 0 0 0 4701 7 0 0 25 0 1 0 235178674 43556864 9645 1992294400 134512640 135213614 4294956256 18446744073709551615 134526736 0 0 4096 3 0 0 0 17 1 0 0
/proc/14447/statm: 10634 9645 78 171 0 10460 0
Current children cumulated CPU time (s) 47.08
Current children cumulated vsize (KiB) 42536

[startup+47.3058 s]
/proc/loadavg: 0.96 1.13 1.52 2/66 14448
/proc/meminfo: memFree=1311736/2055920 swapFree=4180260/4192956
[pid=14447] ppid=14445 vsize=42536 CPUtime=47.28
/proc/14447/stat : 14447 (minisat_static) R 14445 14447 14410 0 -1 4194304 9660 0 0 0 4721 7 0 0 25 0 1 0 235178674 43556864 9645 1992294400 134512640 135213614 4294956256 18446744073709551615 134536205 0 0 4096 3 0 0 0 17 1 0 0
/proc/14447/statm: 10634 9645 78 171 0 10460 0
Current children cumulated CPU time (s) 47.28
Current children cumulated vsize (KiB) 42536

[startup+47.4018 s]
/proc/loadavg: 0.96 1.13 1.52 2/66 14448
/proc/meminfo: memFree=1311736/2055920 swapFree=4180260/4192956
[pid=14447] ppid=14445 vsize=0 CPUtime=47.37
/proc/14447/stat : 14447 (minisat_static) R 14445 14447 14410 0 -1 4194308 9671 0 0 0 4730 7 0 0 25 0 1 0 235178674 0 0 1992294400 0 0 0 0 0 0 0 4096 3 0 0 0 17 1 0 0
/proc/14447/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 47.37
Current children cumulated vsize (KiB) 0

Child status: 20
Real time (s): 47.4052
CPU time (s): 47.3898
CPU user time (s): 47.3078
CPU system time (s): 0.081987
CPU usage (%): 99.9676
Max. virtual memory (cumulated for all children) (KiB): 42536

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 47.3078
system time used= 0.081987
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9671
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= 96

runsolver used 0.069989 second user time and 0.104984 second system time

The end

Launcher Data 

Begin job on node56 at 2009-05-11 21:51:49
IDJOB=1797780
IDBENCH=20343
IDSOLVER=651
FILE ID=node56/1797780-1242071508
PBS_JOBID= 9277601
Free space on /tmp= 102976 MiB

SOLVER NAME= minisat2-core 070721
BENCH NAME= SAT07/industrial/anbulagan/medium-unsat/total-5-11-u.cnf
COMMAND LINE= minisat_static BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1797780-1242071508/watcher-1797780-1242071508 -o /tmp/evaluation-result-1797780-1242071508/solver-1797780-1242071508 -C 1200 -W 1800 -M 1800  minisat_static HOME/instance-1797780-1242071508.cnf

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

MD5SUM BENCH= 770fa9cd880a43d98e936f33f4e86d7a
RANDOM SEED=1611833570

node56.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		: 3000.218
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		: 3000.218
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:       1350552 kB
Buffers:         74280 kB
Cached:         550608 kB
SwapCached:       6764 kB
Active:         164608 kB
Inactive:       469420 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1350552 kB
SwapTotal:     4192956 kB
SwapFree:      4180260 kB
Dirty:           13056 kB
Writeback:           0 kB
Mapped:          14456 kB
Slab:            57188 kB
Committed_AS:   727532 kB
PageTables:       1472 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= 102976 MiB
End job on node56 at 2009-05-11 21:52:37