Trace number 333992

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
Mmisat 2007-02-08Signal 9.50155 9.5063

General information on the benchmark

Namecrafted/Hard/contest04/connamacher/
connm-ue-csp-sat-n800-d0.02-s111845174.sat05-536.reshuffled-07.cnf
MD5SUM71878da25e778158aa56312337016eac
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Satisfiable
(Un)Satisfiability was proved
Number of variables772
Number of clauses9601
Sum of the clauses size28996
Maximum clause length4
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 39408
Number of clauses of size 4193
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)



Verifier Data (download as text)




ERROR: Unexpected answer ! (SATISFIABLE/UNSATISFIABLE expected)
Got answer: 



Watcher Data (download as text)




runsolver version 3.2.1 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node15/watcher-333992-1173543893 -o ROOT/results/node15/solver-333992-1173543893 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/333992-1173543893/mmisat /tmp/evaluation/333992-1173543893/instance-333992-1173543893.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: 0.99 0.98 0.99 3/77 22086
/proc/meminfo: memFree=1536128/2055920 swapFree=4152672/4192956
[pid=22086] ppid=22084 vsize=1176 CPUtime=0
/proc/22086/stat : 22086 (mmisat) R 22084 22086 20986 0 -1 4194304 164 0 0 0 0 0 0 0 18 0 1 0 374343699 1204224 147 18446744073709551615 134512640 135391789 4294956704 18446744073709551615 134998823 0 0 4096 0 0 0 0 17 1 0 0
/proc/22086/statm: 294 148 81 214 0 76 0

[startup+0.0927559 s]
/proc/loadavg: 0.99 0.98 0.99 3/77 22086
/proc/meminfo: memFree=1536128/2055920 swapFree=4152672/4192956
[pid=22086] ppid=22084 vsize=1968 CPUtime=0.09
/proc/22086/stat : 22086 (mmisat) R 22084 22086 20986 0 -1 4194304 340 0 0 0 9 0 0 0 18 0 1 0 374343699 2015232 323 18446744073709551615 134512640 135391789 4294956704 18446744073709551615 134998823 0 0 4096 0 0 0 0 17 1 0 0
/proc/22086/statm: 492 323 81 214 0 274 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1968

[startup+0.101758 s]
/proc/loadavg: 0.99 0.98 0.99 3/77 22086
/proc/meminfo: memFree=1536128/2055920 swapFree=4152672/4192956
[pid=22086] ppid=22084 vsize=1968 CPUtime=0.09
/proc/22086/stat : 22086 (mmisat) R 22084 22086 20986 0 -1 4194304 351 0 0 0 9 0 0 0 18 0 1 0 374343699 2015232 334 18446744073709551615 134512640 135391789 4294956704 18446744073709551615 134998823 0 0 4096 0 0 0 0 17 1 0 0
/proc/22086/statm: 492 334 81 214 0 274 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1968

[startup+0.301792 s]
/proc/loadavg: 0.99 0.98 0.99 3/77 22086
/proc/meminfo: memFree=1536128/2055920 swapFree=4152672/4192956
[pid=22086] ppid=22084 vsize=2628 CPUtime=0.29
/proc/22086/stat : 22086 (mmisat) R 22084 22086 20986 0 -1 4194304 528 0 0 0 29 0 0 0 19 0 1 0 374343699 2691072 511 18446744073709551615 134512640 135391789 4294956704 18446744073709551615 134998823 0 0 4096 0 0 0 0 17 1 0 0
/proc/22086/statm: 657 511 81 214 0 439 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2628

[startup+0.701861 s]
/proc/loadavg: 0.99 0.98 0.99 3/77 22086
/proc/meminfo: memFree=1536128/2055920 swapFree=4152672/4192956
[pid=22086] ppid=22084 vsize=3552 CPUtime=0.69
/proc/22086/stat : 22086 (mmisat) R 22084 22086 20986 0 -1 4194304 749 0 0 0 69 0 0 0 22 0 1 0 374343699 3637248 732 18446744073709551615 134512640 135391789 4294956704 18446744073709551615 134517724 0 0 4096 0 0 0 0 17 1 0 0
/proc/22086/statm: 888 732 81 214 0 670 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3552

[startup+1.502 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 22087
/proc/meminfo: memFree=1533048/2055920 swapFree=4152672/4192956
[pid=22086] ppid=22084 vsize=4740 CPUtime=1.49
/proc/22086/stat : 22086 (mmisat) R 22084 22086 20986 0 -1 4194304 1035 0 0 0 149 0 0 0 25 0 1 0 374343699 4853760 1018 18446744073709551615 134512640 135391789 4294956704 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/22086/statm: 1185 1018 81 214 0 967 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 4740

[startup+3.10132 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 22087
/proc/meminfo: memFree=1531640/2055920 swapFree=4152672/4192956
[pid=22086] ppid=22084 vsize=6060 CPUtime=3.09
/proc/22086/stat : 22086 (mmisat) R 22084 22086 20986 0 -1 4194304 1370 0 0 0 309 0 0 0 25 0 1 0 374343699 6205440 1353 18446744073709551615 134512640 135391789 4294956704 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/22086/statm: 1515 1353 81 214 0 1297 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6060

[startup+6.30182 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 22087
/proc/meminfo: memFree=1529920/2055920 swapFree=4152672/4192956
[pid=22086] ppid=22084 vsize=7116 CPUtime=6.29
/proc/22086/stat : 22086 (mmisat) R 22084 22086 20986 0 -1 4194304 1657 0 0 0 629 0 0 0 25 0 1 0 374343699 7286784 1640 18446744073709551615 134512640 135391789 4294956704 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/22086/statm: 1779 1640 81 214 0 1561 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7116

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

[startup+7.90109 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 22087
/proc/meminfo: memFree=1529344/2055920 swapFree=4152672/4192956
[pid=22086] ppid=22084 vsize=15064 CPUtime=7.89
/proc/22086/stat : 22086 (mmisat) R 22084 22086 20986 0 -1 4194304 5227 0 0 0 787 2 0 0 25 0 1 0 374343699 15425536 3611 18446744073709551615 134512640 135391789 4294956704 18446744073709551615 134553819 0 0 4096 0 0 0 0 17 1 0 0
/proc/22086/statm: 3766 3611 87 214 0 3548 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 15064

[startup+8.70123 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 22087
/proc/meminfo: memFree=1503168/2055920 swapFree=4152672/4192956
[pid=22086] ppid=22084 vsize=33588 CPUtime=8.69
/proc/22086/stat : 22086 (mmisat) R 22084 22086 20986 0 -1 4194304 9872 0 0 0 866 3 0 0 25 0 1 0 374343699 34394112 8256 18446744073709551615 134512640 135391789 4294956704 18446744073709551615 134542491 0 0 4096 0 0 0 0 17 1 0 0
/proc/22086/statm: 8397 8256 91 214 0 8179 0
Current children cumulated CPU time (s) 8.69
Current children cumulated vsize (KiB) 33588

[startup+9.1013 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 22087
/proc/meminfo: memFree=1503168/2055920 swapFree=4152672/4192956
[pid=22086] ppid=22084 vsize=33588 CPUtime=9.08
/proc/22086/stat : 22086 (mmisat) R 22084 22086 20986 0 -1 4194304 9872 0 0 0 905 3 0 0 25 0 1 0 374343699 34394112 8256 18446744073709551615 134512640 135391789 4294956704 18446744073709551615 134523168 0 0 4096 0 0 0 0 17 1 0 0
/proc/22086/statm: 8397 8256 91 214 0 8179 0
Current children cumulated CPU time (s) 9.08
Current children cumulated vsize (KiB) 33588

[startup+9.50237 s]
/proc/loadavg: 0.99 0.98 0.99 2/78 22087
/proc/meminfo: memFree=1503168/2055920 swapFree=4152672/4192956
[pid=22086] ppid=22084 vsize=0 CPUtime=9.49
/proc/22086/stat : 22086 (mmisat) R 22084 22086 20986 0 -1 4195844 9888 0 0 0 933 16 0 0 25 0 1 0 374343699 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/22086/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 0

Child ended because it received signal 11 (SIGSEGV)
Real time (s): 9.5063
CPU time (s): 9.50155
CPU user time (s): 9.33058
CPU system time (s): 0.170974
CPU usage (%): 99.9501
Max. virtual memory (cumulated for all children) (KiB): 33588

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 9.33058
system time used= 0.170974
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9888
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= 6
involuntary context switches= 15

runsolver used 0.009998 second user time and 0.029995 second system time

The end



Launcher Data (download as text)




Begin job on node15 on Sat Mar 10 16:24:53 UTC 2007

IDJOB= 333992
IDBENCH= 24617
IDSOLVER= 108
FILE ID= node15/333992-1173543893

PBS_JOBID= 4101163

Free space on /tmp= 66530 MiB

SOLVER NAME= Mmisat 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/crafted/Hard/contest04/connamacher/connm-ue-csp-sat-n800-d0.02-s111845174.sat05-536.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/333992-1173543893/mmisat /tmp/evaluation/333992-1173543893/instance-333992-1173543893.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node15/watcher-333992-1173543893 -o ROOT/results/node15/solver-333992-1173543893 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/333992-1173543893/mmisat /tmp/evaluation/333992-1173543893/instance-333992-1173543893.cnf            

META MD5SUM SOLVER= f0471644c1818c6834832b41e70bf7e6
MD5SUM BENCH=  71878da25e778158aa56312337016eac

RANDOM SEED= 907956708

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node15.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		: 3000.276
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		: 3000.276
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:       1536600 kB
Buffers:         50788 kB
Cached:         379644 kB
SwapCached:       2796 kB
Active:         261452 kB
Inactive:       192132 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1536600 kB
SwapTotal:     4192956 kB
SwapFree:      4152672 kB
Dirty:            1248 kB
Writeback:           0 kB
Mapped:          30096 kB
Slab:            51216 kB
Committed_AS:  1330884 kB
PageTables:       1800 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= 66498 MiB

End job on node15 on Sat Mar 10 16:25:03 UTC 2007