Trace number 1717453

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 30.1484 30.1566

General information on the benchmark

Nameindustrial/palacios/uts/
uts-l05-ipc5-h26-unsat.cnf
MD5SUM4b97e69214a2eddbe060a9ecc3dfbbd8
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark10.1445
Satisfiable
(Un)Satisfiability was proved
Number of variables85694
Number of clauses414657
Sum of the clauses size1073659
Maximum clause length403
Minimum clause length1
Number of clauses of size 1190
Number of clauses of size 2330211
Number of clauses of size 380574
Number of clauses of size 4910
Number of clauses of size 5103
Number of clauses of size over 52669

Solver Data 

30.08/30.14	c starting MXC with:
30.08/30.14	c cnf_path = HOME/instance-1717453-1240628352.cnf
30.08/30.14	c restart_strategy = auto
30.08/30.14	c sign_strategy = cached
30.08/30.14	c use_preprocessing = -1
30.08/30.14	c output_implicant = 1
30.08/30.14	c timeout_seconds = 0
30.08/30.14	c running SatELite... done
30.08/30.14	c 63952 vars eliminated
30.08/30.14	c received 28 units and 290477 clauses from SatELite
30.08/30.14	c 63979 assignments made, starting to guess now
30.08/30.14	c ===================================[MXC]=====================================
30.08/30.14	c | Conflicts |                Clause Statistics                   |   Vars   |
30.08/30.14	c |           |    CARD     BIN      O3+      L3+   L3+Lim  Lit/CL |          |
30.08/30.14	c =============================================================================
30.08/30.14	c |         0 |       0  192991    97486        0        0     nan |    87475 |
30.08/30.14	c |       100 |       0  192993    97486       98     1050    16.0 |    23496 |
30.08/30.14	c |       210 |       0  192907    97394      206     1105    12.3 |    23487 |
30.08/30.14	c |       441 |       0  192909    97394      435     1220    12.1 |    23487 |
30.08/30.14	c |       805 |       0  192793    97340      793     1402    13.7 |    23471 |
30.08/30.14	c |      1315 |       0  192803    97340     1293     1657    21.1 |    23471 |
30.08/30.14	c |      1986 |       0  192822    97340     1945     1993    19.4 |    23471 |
30.08/30.14	c |      2834 |       0  192828    97340     1773     2417    16.5 |    23471 |
30.08/30.14	c |      3876 |       0  192841    97340     2802     2938    17.9 |    23471 |
30.08/30.14	c |      5132 |       0  192847    97340     2534     3566    21.4 |    23471 |
30.08/30.14	c |      6623 |       0  192853    97340     4019     4311    20.2 |    23471 |
30.08/30.14	c |      8373 |       0  192867    97340     3453     5186    16.8 |    23471 |
30.08/30.14	c |     10408 |       0  192872    97340     5483     6204    18.2 |    23471 |
30.08/30.14	c |     12756 |       0  192633    97222     4344     7378    17.6 |    23428 |
30.08/30.14	c |     15449 |       0  192636    97222     7034     8724    17.2 |    23428 |
30.08/30.14	c |     18521 |       0  192642    97222    10100    10260    16.8 |    23428 |
30.08/30.14	c |     22010 |       0  192649    97222     8376    12005    14.1 |    23428 |
30.08/30.14	c |     25958 |       0  192650    97222    12323    13979    14.2 |    23428 |
30.08/30.14	c |     30411 |       0  192546    97136     8959    16205    11.9 |    23408 |
30.08/30.14	c |     32824 |       0  192567    97136    11343    17412    11.5 |    21217 |
30.08/30.14	c ----- stats for thread 0 -----
30.08/30.14	c restarts: 166
30.08/30.14	c decisions: 78307
30.08/30.14	c propagations: 42522789
30.08/30.14	c conflicts: 32824
30.08/30.14	c 30.133s elapsed
30.08/30.14	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-1717453-1240628352/watcher-1717453-1240628352 -o /tmp/evaluation-result-1717453-1240628352/solver-1717453-1240628352 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/mxc-sat09 -i HOME/instance-1717453-1240628352.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: 0.99 0.98 1.00 3/64 18375
/proc/meminfo: memFree=1229040/2055920 swapFree=4144072/4192956
[pid=18375] ppid=18373 vsize=8072 CPUtime=0
/proc/18375/stat : 18375 (mxc-sat09) R 18373 18375 15882 0 -1 4194304 762 0 0 0 0 0 0 0 18 0 1 0 90863428 8265728 748 1992294400 134512640 135192793 4294956208 18446744073709551615 134779278 0 0 4096 0 0 0 0 17 1 0 0
/proc/18375/statm: 2018 754 46 166 0 1849 0

[startup+0.0888279 s]
/proc/loadavg: 0.99 0.98 1.00 3/64 18375
/proc/meminfo: memFree=1229040/2055920 swapFree=4144072/4192956
[pid=18375] ppid=18373 vsize=31888 CPUtime=0.08
/proc/18375/stat : 18375 (mxc-sat09) R 18373 18375 15882 0 -1 4194304 6339 0 0 0 5 3 0 0 18 0 1 0 90863428 32653312 6323 1992294400 134512640 135192793 4294956208 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/18375/statm: 7972 6325 55 166 0 7803 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 31888

[startup+0.10283 s]
/proc/loadavg: 0.99 0.98 1.00 3/64 18375
/proc/meminfo: memFree=1229040/2055920 swapFree=4144072/4192956
[pid=18375] ppid=18373 vsize=33052 CPUtime=0.09
/proc/18375/stat : 18375 (mxc-sat09) R 18373 18375 15882 0 -1 4194304 6585 0 0 0 6 3 0 0 18 0 1 0 90863428 33845248 6569 1992294400 134512640 135192793 4294956208 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/18375/statm: 8263 6570 55 166 0 8094 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 33052

[startup+0.302851 s]
/proc/loadavg: 0.99 0.98 1.00 3/64 18375
/proc/meminfo: memFree=1229040/2055920 swapFree=4144072/4192956
[pid=18375] ppid=18373 vsize=46380 CPUtime=0.3
/proc/18375/stat : 18375 (mxc-sat09) R 18373 18375 15882 0 -1 4194304 9976 0 0 0 25 5 0 0 19 0 1 0 90863428 47493120 9960 1992294400 134512640 135192793 4294956208 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/18375/statm: 11595 9961 55 166 0 11426 0
Current children cumulated CPU time (s) 0.3
Current children cumulated vsize (KiB) 46380

[startup+0.701895 s]
/proc/loadavg: 0.99 0.98 1.00 3/64 18375
/proc/meminfo: memFree=1229040/2055920 swapFree=4144072/4192956
[pid=18375] ppid=18373 vsize=46180 CPUtime=0.69
/proc/18375/stat : 18375 (mxc-sat09) R 18373 18375 15882 0 -1 4194304 11638 0 0 0 63 6 0 0 22 0 1 0 90863428 47288320 9815 1992294400 134512640 135192793 4294956208 18446744073709551615 134568012 0 0 4096 0 0 0 0 17 1 0 0
/proc/18375/statm: 11545 9815 55 166 0 11376 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 46180

[startup+1.50198 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 18376
/proc/meminfo: memFree=1189736/2055920 swapFree=4144072/4192956
[pid=18375] ppid=18373 vsize=55932 CPUtime=1.49
/proc/18375/stat : 18375 (mxc-sat09) R 18373 18375 15882 0 -1 4194304 13743 0 0 0 142 7 0 0 25 0 1 0 90863428 57274368 11920 1992294400 134512640 135192793 4294956208 18446744073709551615 134750438 0 0 4096 0 0 0 0 17 1 0 0
/proc/18375/statm: 13983 11920 56 166 0 13814 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 55932

[startup+3.10116 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 18376
/proc/meminfo: memFree=1165736/2055920 swapFree=4144072/4192956
[pid=18375] ppid=18373 vsize=77276 CPUtime=3.09
/proc/18375/stat : 18375 (mxc-sat09) R 18373 18375 15882 0 -1 4194304 19395 0 0 0 299 10 0 0 25 0 1 0 90863428 79130624 17572 1992294400 134512640 135192793 4294956208 18446744073709551615 134573475 0 0 4096 0 0 0 0 17 1 0 0
/proc/18375/statm: 19319 17572 56 166 0 19150 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 77276

[startup+6.30151 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 18376
/proc/meminfo: memFree=1157160/2055920 swapFree=4144072/4192956
[pid=18375] ppid=18373 vsize=80228 CPUtime=6.29
/proc/18375/stat : 18375 (mxc-sat09) R 18373 18375 15882 0 -1 4194304 20196 0 0 0 619 10 0 0 25 0 1 0 90863428 82153472 18373 1992294400 134512640 135192793 4294956208 18446744073709551615 134573794 0 0 4096 0 0 0 0 17 1 0 0
/proc/18375/statm: 20057 18373 56 166 0 19888 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 80228

[startup+12.7012 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 18376
/proc/meminfo: memFree=1156536/2055920 swapFree=4144072/4192956
[pid=18375] ppid=18373 vsize=78812 CPUtime=12.69
/proc/18375/stat : 18375 (mxc-sat09) R 18373 18375 15882 0 -1 4194304 22020 0 0 0 1258 11 0 0 25 0 1 0 90863428 80703488 18144 1992294400 134512640 135192793 4294956208 18446744073709551615 134533227 0 0 4096 0 0 0 0 17 1 0 0
/proc/18375/statm: 19703 18144 73 166 0 19534 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 78812

[startup+25.5016 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 18376
/proc/meminfo: memFree=1154744/2055920 swapFree=4144072/4192956
[pid=18375] ppid=18373 vsize=80812 CPUtime=25.48
/proc/18375/stat : 18375 (mxc-sat09) R 18373 18375 15882 0 -1 4194304 22518 0 0 0 2536 12 0 0 25 0 1 0 90863428 82751488 18642 1992294400 134512640 135192793 4294956208 18446744073709551615 134533197 0 0 4096 0 0 0 0 17 1 0 0
/proc/18375/statm: 20203 18642 73 166 0 20034 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 80812

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

[startup+28.702 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 18376
/proc/meminfo: memFree=1153976/2055920 swapFree=4144072/4192956
[pid=18375] ppid=18373 vsize=81768 CPUtime=28.69
/proc/18375/stat : 18375 (mxc-sat09) R 18373 18375 15882 0 -1 4194304 22737 0 0 0 2856 13 0 0 25 0 1 0 90863428 83730432 18861 1992294400 134512640 135192793 4294956208 18446744073709551615 134550385 0 0 4096 0 0 0 0 17 1 0 0
/proc/18375/statm: 20442 18861 73 166 0 20273 0
Current children cumulated CPU time (s) 28.69
Current children cumulated vsize (KiB) 81768

[startup+29.5011 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 18376
/proc/meminfo: memFree=1153976/2055920 swapFree=4144072/4192956
[pid=18375] ppid=18373 vsize=81768 CPUtime=29.48
/proc/18375/stat : 18375 (mxc-sat09) R 18373 18375 15882 0 -1 4194304 22750 0 0 0 2935 13 0 0 25 0 1 0 90863428 83730432 18874 1992294400 134512640 135192793 4294956208 18446744073709551615 134533227 0 0 4096 0 0 0 0 17 1 0 0
/proc/18375/statm: 20442 18874 73 166 0 20273 0
Current children cumulated CPU time (s) 29.48
Current children cumulated vsize (KiB) 81768

[startup+29.9011 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 18376
/proc/meminfo: memFree=1153848/2055920 swapFree=4144072/4192956
[pid=18375] ppid=18373 vsize=81768 CPUtime=29.88
/proc/18375/stat : 18375 (mxc-sat09) R 18373 18375 15882 0 -1 4194304 22752 0 0 0 2975 13 0 0 25 0 1 0 90863428 83730432 18876 1992294400 134512640 135192793 4294956208 18446744073709551615 134533186 0 0 4096 0 0 0 0 17 1 0 0
/proc/18375/statm: 20442 18876 73 166 0 20273 0
Current children cumulated CPU time (s) 29.88
Current children cumulated vsize (KiB) 81768

[startup+30.1011 s]
/proc/loadavg: 0.99 0.98 1.00 2/65 18376
/proc/meminfo: memFree=1153848/2055920 swapFree=4144072/4192956
[pid=18375] ppid=18373 vsize=81768 CPUtime=30.08
/proc/18375/stat : 18375 (mxc-sat09) R 18373 18375 15882 0 -1 4194304 22758 0 0 0 2995 13 0 0 25 0 1 0 90863428 83730432 18882 1992294400 134512640 135192793 4294956208 18446744073709551615 134533786 0 0 4096 0 0 0 0 17 1 0 0
/proc/18375/statm: 20442 18882 73 166 0 20273 0
Current children cumulated CPU time (s) 30.08
Current children cumulated vsize (KiB) 81768

Child status: 20
Real time (s): 30.1566
CPU time (s): 30.1484
CPU user time (s): 30.0024
CPU system time (s): 0.145977
CPU usage (%): 99.9727
Max. virtual memory (cumulated for all children) (KiB): 82836

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 30.0024
system time used= 0.145977
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 22761
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= 78

runsolver used 0.026995 second user time and 0.071989 second system time

The end

Launcher Data 

Begin job on node42 at 2009-04-25 04:59:13
IDJOB=1717453
IDBENCH=20415
IDSOLVER=504
FILE ID=node42/1717453-1240628352
PBS_JOBID= 9186376
Free space on /tmp= 66320 MiB

SOLVER NAME= MXC 2009-03-10
BENCH NAME= SAT07/industrial/palacios/uts/uts-l05-ipc5-h26-unsat.cnf
COMMAND LINE= HOME/mxc-sat09 -i BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1717453-1240628352/watcher-1717453-1240628352 -o /tmp/evaluation-result-1717453-1240628352/solver-1717453-1240628352 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/mxc-sat09 -i HOME/instance-1717453-1240628352.cnf

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

MD5SUM BENCH= 4b97e69214a2eddbe060a9ecc3dfbbd8
RANDOM SEED=1484030507

node42.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		: 3000.232
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		: 3000.232
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:       1229520 kB
Buffers:         76276 kB
Cached:         630400 kB
SwapCached:      43636 kB
Active:         233024 kB
Inactive:       519740 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1229520 kB
SwapTotal:     4192956 kB
SwapFree:      4144072 kB
Dirty:            8100 kB
Writeback:           0 kB
Mapped:          14080 kB
Slab:            59636 kB
Committed_AS:   384684 kB
PageTables:       1408 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= 66320 MiB
End job on node42 at 2009-04-25 04:59:43