Trace number 1773087

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
MXC 2009-03-10UNSAT 13.6769 13.6807

General information on the benchmark

Nameindustrial/jarvisalo/
eq.atree.braun.8.unsat.cnf
MD5SUM35a8bbabf9cb954216ad71150cb47290
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark13.6769
Satisfiable
(Un)Satisfiability was proved
Number of variables684
Number of clauses2300
Sum of the clauses size5992
Maximum clause length15
Minimum clause length1
Number of clauses of size 13
Number of clauses of size 2978
Number of clauses of size 31284
Number of clauses of size 416
Number of clauses of size 512
Number of clauses of size over 57

Solver Data 

13.59/13.68	c starting MXC with:
13.59/13.68	c cnf_path = HOME/instance-1773087-1241298444.cnf
13.59/13.68	c restart_strategy = auto
13.59/13.68	c sign_strategy = cached
13.59/13.68	c use_preprocessing = -1
13.59/13.68	c output_implicant = 1
13.59/13.68	c timeout_seconds = 0
13.59/13.68	c running SatELite... done
13.59/13.68	c 217 vars eliminated
13.59/13.68	c received 3 units and 1911 clauses from SatELite
13.59/13.68	c 219 assignments made, starting to guess now
13.59/13.68	c ===================================[MXC]=====================================
13.59/13.68	c | Conflicts |                Clause Statistics                   |   Vars   |
13.59/13.68	c |           |    CARD     BIN      O3+      L3+   L3+Lim  Lit/CL |          |
13.59/13.68	c =============================================================================
13.59/13.68	c |         0 |       0     393     1518        0        0     nan |      684 |
13.59/13.68	c |       100 |       0     393     1518      100     1050    12.4 |      465 |
13.59/13.68	c |       210 |       0     393     1518      210     1105    25.4 |      465 |
13.59/13.68	c |       441 |       0     394     1518      440     1220    29.5 |      465 |
13.59/13.68	c |       805 |       0     395     1518      803     1402    32.0 |      465 |
13.59/13.68	c |      1315 |       0     397     1518     1311     1609    28.7 |      465 |
13.59/13.68	c |      1986 |       0     399     1518     1133     1754    18.3 |      465 |
13.59/13.68	c |      2834 |       0     400     1518     1042     1894    18.5 |      465 |
13.59/13.68	c |      3876 |       0     403     1518     1068     2031    21.2 |      462 |
13.59/13.68	c |      5132 |       0     409     1518     1245     2163    22.1 |      462 |
13.59/13.68	c |      6623 |       0     412     1518     1607     2292    19.7 |      462 |
13.59/13.68	c |      8373 |       0     416     1518     2179     2419    20.2 |      462 |
13.59/13.68	c |     10408 |       0     422     1518     1733     2543    16.6 |      462 |
13.59/13.68	c |     12756 |       0     423     1518     1460     2665    14.5 |      462 |
13.59/13.68	c |     15449 |       0     425     1518     1400     2786    15.0 |      462 |
13.59/13.68	c |     18521 |       0     427     1518     1601     2906    16.1 |      462 |
13.59/13.68	c |     22010 |       0     428     1518     2114     3025    14.0 |      462 |
13.59/13.68	c |     25958 |       0     432     1518     2987     3144    17.5 |      462 |
13.59/13.68	c |     30411 |       0     434     1518     2665     3262    18.1 |      462 |
13.59/13.68	c |     35419 |       0     436     1518     2702     3381    18.1 |      462 |
13.59/13.68	c |     41038 |       0     441     1518     3179     3499    17.7 |      462 |
13.59/13.68	c |     47329 |       0     444     1518     2372     3618    16.1 |      462 |
13.59/13.68	c |     54360 |       0     451     1518     2037     3737    14.4 |      462 |
13.59/13.68	c |     62205 |       0     457     1518     2267     3857    18.9 |      462 |
13.59/13.68	c |     70945 |       0     462     1518     3174     3978    16.5 |      462 |
13.59/13.68	c |     80669 |       0     464     1518     2808     4099    15.0 |      462 |
13.59/13.68	c |     91476 |       0     468     1518     3215     4222    17.0 |      462 |
13.59/13.68	c |    103474 |       0     483     1518     2346     4346    20.1 |      435 |
13.59/13.68	c |    116782 |       0     491     1518     2432     4471    20.5 |      435 |
13.59/13.68	c |    131532 |       0     494     1518     3601     4597    23.9 |      435 |
13.59/13.68	c |    147868 |       0     504     1518     3632     4726    16.8 |      435 |
13.59/13.68	c |    165948 |       0     509     1518     2555     4855    18.8 |      435 |
13.59/13.68	c |    178472 |       0     527     1518     2803     4939    17.8 |      396 |
13.59/13.68	c ----- stats for thread 0 -----
13.59/13.68	c restarts: 1
13.59/13.68	c decisions: 213886
13.59/13.68	c propagations: 19915662
13.59/13.68	c conflicts: 178472
13.59/13.68	c 13.679s elapsed
13.59/13.68	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-1773087-1241298444/watcher-1773087-1241298444 -o /tmp/evaluation-result-1773087-1241298444/solver-1773087-1241298444 -C 10000 -W 12000 -M 1800 HOME/mxc-sat09 -i HOME/instance-1773087-1241298444.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 10000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 10030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 12000 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: 1.35 2.93 3.53 3/64 1883
/proc/meminfo: memFree=1102572/2055920 swapFree=4181296/4192956
[pid=1883] ppid=1881 vsize=1108 CPUtime=0
/proc/1883/stat : 1883 (mxc-sat09) R 1881 1883 1814 0 -1 4194304 163 0 0 0 0 0 0 0 18 0 1 0 157876928 1134592 149 1992294400 134512640 135192793 4294956224 18446744073709551615 134567799 0 0 4096 0 0 0 0 17 1 0 0
/proc/1883/statm: 277 149 56 166 0 108 0

[startup+0.0765779 s]
/proc/loadavg: 1.35 2.93 3.53 3/64 1883
/proc/meminfo: memFree=1102572/2055920 swapFree=4181296/4192956
[pid=1883] ppid=1881 vsize=1632 CPUtime=0.07
/proc/1883/stat : 1883 (mxc-sat09) R 1881 1883 1814 0 -1 4194304 303 0 0 0 7 0 0 0 18 0 1 0 157876928 1671168 289 1992294400 134512640 135192793 4294956224 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/1883/statm: 408 289 72 166 0 239 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 1632

[startup+0.101579 s]
/proc/loadavg: 1.35 2.93 3.53 3/64 1883
/proc/meminfo: memFree=1102572/2055920 swapFree=4181296/4192956
[pid=1883] ppid=1881 vsize=1764 CPUtime=0.09
/proc/1883/stat : 1883 (mxc-sat09) R 1881 1883 1814 0 -1 4194304 324 0 0 0 9 0 0 0 18 0 1 0 157876928 1806336 310 1992294400 134512640 135192793 4294956224 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/1883/statm: 441 310 72 166 0 272 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1764

[startup+0.3016 s]
/proc/loadavg: 1.35 2.93 3.53 3/64 1883
/proc/meminfo: memFree=1102572/2055920 swapFree=4181296/4192956
[pid=1883] ppid=1881 vsize=1896 CPUtime=0.29
/proc/1883/stat : 1883 (mxc-sat09) R 1881 1883 1814 0 -1 4194304 364 0 0 0 29 0 0 0 19 0 1 0 157876928 1941504 350 1992294400 134512640 135192793 4294956224 18446744073709551615 134533178 0 0 4096 0 0 0 0 17 1 0 0
/proc/1883/statm: 474 350 73 166 0 305 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1896

[startup+0.701645 s]
/proc/loadavg: 1.35 2.93 3.53 3/64 1883
/proc/meminfo: memFree=1102572/2055920 swapFree=4181296/4192956
[pid=1883] ppid=1881 vsize=2028 CPUtime=0.69
/proc/1883/stat : 1883 (mxc-sat09) R 1881 1883 1814 0 -1 4194304 408 0 0 0 69 0 0 0 23 0 1 0 157876928 2076672 394 1992294400 134512640 135192793 4294956224 18446744073709551615 134534158 0 0 4096 0 0 0 0 17 1 0 0
/proc/1883/statm: 507 394 73 166 0 338 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 2028

[startup+1.50173 s]
/proc/loadavg: 1.32 2.90 3.52 2/65 1884
/proc/meminfo: memFree=1101156/2055920 swapFree=4181296/4192956
[pid=1883] ppid=1881 vsize=2292 CPUtime=1.49
/proc/1883/stat : 1883 (mxc-sat09) R 1881 1883 1814 0 -1 4194304 456 0 0 0 149 0 0 0 25 0 1 0 157876928 2347008 442 1992294400 134512640 135192793 4294956224 18446744073709551615 134533834 0 0 4096 0 0 0 0 17 1 0 0
/proc/1883/statm: 573 442 73 166 0 404 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 2292

[startup+3.10191 s]
/proc/loadavg: 1.32 2.90 3.52 2/65 1884
/proc/meminfo: memFree=1100836/2055920 swapFree=4181296/4192956
[pid=1883] ppid=1881 vsize=2560 CPUtime=3.09
/proc/1883/stat : 1883 (mxc-sat09) R 1881 1883 1814 0 -1 4194304 524 0 0 0 309 0 0 0 25 0 1 0 157876928 2621440 510 1992294400 134512640 135192793 4294956224 18446744073709551615 134552360 0 0 4096 0 0 0 0 17 1 0 0
/proc/1883/statm: 640 510 73 166 0 471 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 2560

[startup+6.30127 s]
/proc/loadavg: 1.29 2.86 3.50 2/65 1884
/proc/meminfo: memFree=1100324/2055920 swapFree=4181296/4192956
[pid=1883] ppid=1881 vsize=2964 CPUtime=6.29
/proc/1883/stat : 1883 (mxc-sat09) R 1881 1883 1814 0 -1 4194304 615 0 0 0 629 0 0 0 25 0 1 0 157876928 3035136 601 1992294400 134512640 135192793 4294956224 18446744073709551615 134534317 0 0 4096 0 0 0 0 17 1 0 0
/proc/1883/statm: 741 601 73 166 0 572 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 2964

[startup+12.702 s]
/proc/loadavg: 1.27 2.83 3.49 2/65 1884
/proc/meminfo: memFree=1099556/2055920 swapFree=4181296/4192956
[pid=1883] ppid=1881 vsize=3496 CPUtime=12.69
/proc/1883/stat : 1883 (mxc-sat09) R 1881 1883 1814 0 -1 4194304 759 0 0 0 1269 0 0 0 25 0 1 0 157876928 3579904 745 1992294400 134512640 135192793 4294956224 18446744073709551615 134533831 0 0 4096 0 0 0 0 17 1 0 0
/proc/1883/statm: 874 745 73 166 0 705 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 3496

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

[startup+13.103 s]
/proc/loadavg: 1.27 2.83 3.49 2/65 1884
/proc/meminfo: memFree=1099556/2055920 swapFree=4181296/4192956
[pid=1883] ppid=1881 vsize=3496 CPUtime=13.09
/proc/1883/stat : 1883 (mxc-sat09) R 1881 1883 1814 0 -1 4194304 761 0 0 0 1309 0 0 0 25 0 1 0 157876928 3579904 747 1992294400 134512640 135192793 4294956224 18446744073709551615 134533831 0 0 4096 0 0 0 0 17 1 0 0
/proc/1883/statm: 874 747 73 166 0 705 0
Current children cumulated CPU time (s) 13.09
Current children cumulated vsize (KiB) 3496

[startup+13.5021 s]
/proc/loadavg: 1.27 2.83 3.49 2/65 1884
/proc/meminfo: memFree=1099556/2055920 swapFree=4181296/4192956
[pid=1883] ppid=1881 vsize=3496 CPUtime=13.49
/proc/1883/stat : 1883 (mxc-sat09) R 1881 1883 1814 0 -1 4194304 765 0 0 0 1349 0 0 0 25 0 1 0 157876928 3579904 751 1992294400 134512640 135192793 4294956224 18446744073709551615 134552014 0 0 4096 0 0 0 0 17 1 0 0
/proc/1883/statm: 874 751 73 166 0 705 0
Current children cumulated CPU time (s) 13.49
Current children cumulated vsize (KiB) 3496

[startup+13.6011 s]
/proc/loadavg: 1.27 2.83 3.49 2/65 1884
/proc/meminfo: memFree=1099556/2055920 swapFree=4181296/4192956
[pid=1883] ppid=1881 vsize=3496 CPUtime=13.59
/proc/1883/stat : 1883 (mxc-sat09) R 1881 1883 1814 0 -1 4194304 765 0 0 0 1359 0 0 0 25 0 1 0 157876928 3579904 751 1992294400 134512640 135192793 4294956224 18446744073709551615 134533917 0 0 4096 0 0 0 0 17 1 0 0
/proc/1883/statm: 874 751 73 166 0 705 0
Current children cumulated CPU time (s) 13.59
Current children cumulated vsize (KiB) 3496

Child status: 20
Real time (s): 13.6807
CPU time (s): 13.6769
CPU user time (s): 13.6709
CPU system time (s): 0.005999
CPU usage (%): 99.9723
Max. virtual memory (cumulated for all children) (KiB): 3496

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 13.6709
system time used= 0.005999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 768
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= 36

runsolver used 0.014997 second user time and 0.032994 second system time

The end

Launcher Data 

Begin job on node35 at 2009-05-02 23:07:24
IDJOB=1773087
IDBENCH=20473
IDSOLVER=613
FILE ID=node35/1773087-1241298444
PBS_JOBID= 9225181
Free space on /tmp= 66556 MiB

SOLVER NAME= MXC 2009-03-10
BENCH NAME= SAT07/industrial/jarvisalo/eq.atree.braun.8.unsat.cnf
COMMAND LINE= HOME/mxc-sat09 -i BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1773087-1241298444/watcher-1773087-1241298444 -o /tmp/evaluation-result-1773087-1241298444/solver-1773087-1241298444 -C 10000 -W 12000 -M 1800  HOME/mxc-sat09 -i HOME/instance-1773087-1241298444.cnf

TIME LIMIT= 10000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 35a8bbabf9cb954216ad71150cb47290
RANDOM SEED=406988434

node35.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:      2055920 kB
MemFree:       1102988 kB
Buffers:         94032 kB
Cached:         749652 kB
SwapCached:       5500 kB
Active:          79516 kB
Inactive:       772004 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1102988 kB
SwapTotal:     4192956 kB
SwapFree:      4181296 kB
Dirty:             744 kB
Writeback:           0 kB
Mapped:          13544 kB
Slab:            87428 kB
Committed_AS:   756516 kB
PageTables:       1396 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= 66556 MiB
End job on node35 at 2009-05-02 23:07:37