About the Execution of M4M.full for ClientsAndServers-PT-N0020P3
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
15919.180 | 942155.00 | 908929.00 | 4934.70 | FFFFFTFFF?FFFFF? | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Waiting for the VM to be ready (probing ssh)
.....................
/home/mcc/execution
total 184K
-rw-r--r-- 1 mcc users 3.9K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 22K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 15 18:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 15 18:49 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.2K May 15 18:49 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 2.4K May 26 09:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 9.7K May 26 09:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 26 09:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 9.0K May 26 09:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 19K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 119 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 357 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 3.0K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 18K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 15 18:49 equiv_col
-rw-r--r-- 1 mcc users 8 May 15 18:49 instance
-rw-r--r-- 1 mcc users 6 May 15 18:49 iscolored
-rw-r--r-- 1 mcc users 9.2K May 15 18:49 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool mcc4mcc-full
Input is ClientsAndServers-PT-N0020P3, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r214-smll-152732265000038
=====================================================================
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-00
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-01
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-02
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-03
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-04
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-05
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-06
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-07
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-08
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-09
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-10
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-11
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-12
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-13
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-14
FORMULA_NAME ClientsAndServers-PT-N0020P3-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1527406977151
BK_STOP 1527407919306
--------------------
content from stderr:
Prefix is 65b80f64.
Reading known information in /usr/share/mcc4mcc/65b80f64-known.json.
Reading learned information in /usr/share/mcc4mcc/65b80f64-learned.json.
Reading value translations in /usr/share/mcc4mcc/65b80f64-values.json.
Using directory /home/mcc/execution for input, as it contains a model.pnml file.
Using ClientsAndServers-PT-N0020P3 as instance name.
Using ClientsAndServers as model name.
Using algorithm or tool bmdt.
Model characteristics are: {'Examination': 'LTLFireability', 'Place/Transition': True, 'Colored': False, 'Relative-Time': 1, 'Relative-Memory': 1, 'Ordinary': True, 'Simple Free Choice': False, 'Extended Free Choice': False, 'State Machine': False, 'Marked Graph': False, 'Connected': True, 'Strongly Connected': True, 'Source Place': False, 'Sink Place': False, 'Source Transition': False, 'Sink Transition': False, 'Loop Free': True, 'Conservative': False, 'Sub-Conservative': False, 'Nested Units': False, 'Safe': False, 'Deadlock': None, 'Reversible': None, 'Quasi Live': True, 'Live': None}.
Known tools are: [{'Time': 486, 'Memory': 105.02, 'Tool': 'lola'}, {'Time': 5913, 'Memory': 317.8, 'Tool': 'itstools'}].
Learned tools are: [{'Tool': 'lola'}].
Learned tool lola is 1.0x far from the best tool lola.
LTLFireability lola ClientsAndServers-PT-N0020P3...
Time: 3600 - MCC
----- Start make prepare stdout -----
----- Start make prepare stderr -----
===========================================================================================
ClientsAndServers-PT-N0020P3: translating PT Petri net model.pnml into LoLA format
===========================================================================================
translating PT Petri net complete
checking for too many tokens
===========================================================================================
ClientsAndServers-PT-N0020P3: translating PT formula LTLFireability into LoLA format
===========================================================================================
translating formula complete
touch formulae;
----- Start make result stdout -----
----- Start make result stderr -----
LTLFireability @ ClientsAndServers-PT-N0020P3 @ 3539 seconds
----- Start make result stderr -----
----- Start make result stdout -----
lola: LoLA will run for 3539 seconds at most (--timelimit)
lola: NET
lola: reading net from model.pnml.lola
lola: finished parsing
lola: closed net file model.pnml.lola
lola: 43/65536 symbol table entries, 0 collisions
lola: preprocessing...
lola: finding significant places
lola: 25 places, 18 transitions, 17 significant places
lola: computing forward-conflicting sets
lola: computing back-conflicting sets
lola: 25 transition conflict sets
lola: TASK
lola: reading formula from ClientsAndServers-PT-N0020P3-LTLFireability.task
lola: A (F (F ((FIREABLE(maU) U G (FIREABLE(ssG)))))) : A ((FIREABLE(msA) U X (G (FIREABLE(srG))))) : A (G (G ((FIREABLE(ssG) U X (FIREABLE(csR)))))) : A (X (X (FIREABLE(crA)))) : A (X (G (F (G (X (FIREABLE(csF))))))) : A (F (FIREABLE(ssG))) : A (FIREABLE(crG)) : A ((X (X (G (FIREABLE(csF)))) U (F (FIREABLE(csR)) U FIREABLE(msG)))) : A (FIREABLE(crA)) : A ((F (X (F (FIREABLE(mrR)))) U FIREABLE(mrF))) : A (X (G (FIREABLE(crG)))) : A (X (FIREABLE(srG))) : A (G (X (G ((FIREABLE(mrF) U FIREABLE(mfU)))))) : A ((FIREABLE(ssG) U FIREABLE(srG))) : A (((FIREABLE(srG) U G (FIREABLE(crG))) U G (F (G (FIREABLE(ssA)))))) : A (X ((X (F (FIREABLE(msG))) U X (FIREABLE(srA)))))
lola: computing a collection of formulas
lola: RUNNING
lola: subprocess 0 will run for 221 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (F (F ((FIREABLE(maU) U G (FIREABLE(ssG))))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A (F ((FIREABLE(maU) U G (FIREABLE(ssG)))))
lola: processed formula: A (F ((FIREABLE(maU) U G (FIREABLE(ssG)))))
lola: processed formula length: 43
lola: 1 rewrites
lola: formula mentions 0 of 25 places; total mentions: 0
lola: closed formula file ClientsAndServers-PT-N0020P3-LTLFireability.task
lola: the resulting B\xfcchi automaton has 2 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 72 bytes per marking, with 30 unused bits
lola: using a prefix tree store (--store=prefix)
lola: using ltl preserving stubborn set method (--stubborn)
lola: SEARCH
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: LTL model checker
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: 374 markings, 375 edges
lola: ========================================
lola: subprocess 1 will run for 235 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A ((FIREABLE(msA) U X (G (FIREABLE(srG)))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A ((FIREABLE(msA) U X (G (FIREABLE(srG)))))
lola: processed formula: A ((FIREABLE(msA) U X (G (FIREABLE(srG)))))
lola: processed formula length: 43
lola: 0 rewrites
lola: formula mentions 0 of 25 places; total mentions: 0
lola: closed formula file ClientsAndServers-PT-N0020P3-LTLFireability.task
lola: the resulting B\xfcchi automaton has 5 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 72 bytes per marking, with 29 unused bits
lola: using a prefix tree store (--store=prefix)
lola: Formula contains X operator; stubborn sets not applicable
lola: SEARCH
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: LTL model checker
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: 1217 markings, 1217 edges
lola: ========================================
lola: subprocess 2 will run for 252 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G (G ((FIREABLE(ssG) U X (FIREABLE(csR))))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A (G (G ((FIREABLE(ssG) U X (FIREABLE(csR))))))
lola: processed formula: A (G (G ((FIREABLE(ssG) U X (FIREABLE(csR))))))
lola: processed formula length: 47
lola: 0 rewrites
lola: formula mentions 0 of 25 places; total mentions: 0
lola: closed formula file ClientsAndServers-PT-N0020P3-LTLFireability.task
lola: the resulting B\xfcchi automaton has 4 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 72 bytes per marking, with 29 unused bits
lola: using a prefix tree store (--store=prefix)
lola: Formula contains X operator; stubborn sets not applicable
lola: SEARCH
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: LTL model checker
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: 1535 markings, 1535 edges
lola: ========================================
lola: subprocess 3 will run for 272 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (X (X (FIREABLE(crA))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A (X (X (FIREABLE(crA))))
lola: processed formula: A (X (X (FIREABLE(crA))))
lola: processed formula length: 25
lola: 0 rewrites
lola: formula mentions 0 of 25 places; total mentions: 0
lola: closed formula file ClientsAndServers-PT-N0020P3-LTLFireability.task
lola: the resulting B\xfcchi automaton has 4 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 72 bytes per marking, with 29 unused bits
lola: using a prefix tree store (--store=prefix)
lola: Formula contains X operator; stubborn sets not applicable
lola: SEARCH
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: LTL model checker
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: 1217 markings, 1217 edges
lola: ========================================
lola: subprocess 4 will run for 294 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (X (G (F (G (X (FIREABLE(csF)))))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A (X (F (G (X (FIREABLE(csF))))))
lola: processed formula: A (X (F (G (X (FIREABLE(csF))))))
lola: processed formula length: 33
lola: 1 rewrites
lola: formula mentions 0 of 25 places; total mentions: 0
lola: closed formula file ClientsAndServers-PT-N0020P3-LTLFireability.task
lola: the resulting B\xfcchi automaton has 3 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 72 bytes per marking, with 30 unused bits
lola: using a prefix tree store (--store=prefix)
lola: Formula contains X operator; stubborn sets not applicable
lola: SEARCH
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: LTL model checker
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: 1218 markings, 1219 edges
lola: ========================================
lola: subprocess 5 will run for 321 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (F (FIREABLE(ssG)))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A (F (FIREABLE(ssG)))
lola: processed formula: A (F (FIREABLE(ssG)))
lola: processed formula length: 21
lola: 0 rewrites
lola: formula mentions 0 of 25 places; total mentions: 0
lola: closed formula file ClientsAndServers-PT-N0020P3-LTLFireability.task
lola: the resulting B\xfcchi automaton has 1 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 72 bytes per marking, with 31 unused bits
lola: using a prefix tree store (--store=prefix)
lola: using ltl preserving stubborn set method (--stubborn)
lola: SEARCH
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: produced by: LTL model checker
lola: The net satisfies the given formula (language of the product automaton is empty).
lola: 4145 markings, 4885 edges
lola: ========================================
lola: subprocess 6 will run for 353 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (FIREABLE(crG))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: FIREABLE(crG)
lola: processed formula length: 13
lola: 1 rewrites
lola: formula mentions 0 of 25 places; total mentions: 0
lola: closed formula file ClientsAndServers-PT-N0020P3-LTLFireability.task
lola: processed formula with 0 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: preprocessing
lola: The net violates the given property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================
lola: subprocess 7 will run for 393 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A ((X (X (G (FIREABLE(csF)))) U (F (FIREABLE(csR)) U FIREABLE(msG))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A ((X (X (G (FIREABLE(csF)))) U (F (FIREABLE(csR)) U FIREABLE(msG))))
lola: processed formula: A ((X (X (G (FIREABLE(csF)))) U (F (FIREABLE(csR)) U FIREABLE(msG))))
lola: processed formula length: 69
lola: 0 rewrites
lola: formula mentions 0 of 25 places; total mentions: 0
lola: closed formula file ClientsAndServers-PT-N0020P3-LTLFireability.task
lola: the resulting B\xfcchi automaton has 8 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 72 bytes per marking, with 28 unused bits
lola: using a prefix tree store (--store=prefix)
lola: Formula contains X operator; stubborn sets not applicable
lola: SEARCH
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: LTL model checker
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: 1217 markings, 1217 edges
lola: ========================================
lola: subprocess 8 will run for 442 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (FIREABLE(crA))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: FIREABLE(crA)
lola: processed formula length: 13
lola: 1 rewrites
lola: formula mentions 0 of 25 places; total mentions: 0
lola: closed formula file ClientsAndServers-PT-N0020P3-LTLFireability.task
lola: processed formula with 0 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: preprocessing
lola: The net violates the given property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================
lola: subprocess 9 will run for 505 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A ((F (X (F (FIREABLE(mrR)))) U FIREABLE(mrF)))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A ((F (X (F (FIREABLE(mrR)))) U FIREABLE(mrF)))
lola: processed formula: A ((F (X (F (FIREABLE(mrR)))) U FIREABLE(mrF)))
lola: processed formula length: 47
lola: 0 rewrites
lola: formula mentions 0 of 25 places; total mentions: 0
lola: closed formula file ClientsAndServers-PT-N0020P3-LTLFireability.task
lola: the resulting B\xfcchi automaton has 2 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 72 bytes per marking, with 30 unused bits
lola: using a prefix tree store (--store=prefix)
lola: Formula contains X operator; stubborn sets not applicable
lola: SEARCH
lola: RUNNING
lola: 1882707 markings, 5641918 edges, 376541 markings/sec, 0 secs
lola: 3493361 markings, 11008154 edges, 322131 markings/sec, 5 secs
lola: 5060673 markings, 16320234 edges, 313462 markings/sec, 10 secs
lola: 6628534 markings, 21642421 edges, 313572 markings/sec, 15 secs
lola: 7888030 markings, 26275713 edges, 251899 markings/sec, 20 secs
lola: 9116024 markings, 30803833 edges, 245599 markings/sec, 25 secs
lola: 10516810 markings, 35756550 edges, 280157 markings/sec, 30 secs
lola: 11860926 markings, 40593802 edges, 268823 markings/sec, 35 secs
lola: 13214925 markings, 45453068 edges, 270800 markings/sec, 40 secs
lola: 14547438 markings, 50262742 edges, 266503 markings/sec, 45 secs
lola: 15876482 markings, 55051071 edges, 265809 markings/sec, 50 secs
lola: 17180044 markings, 59732313 edges, 260712 markings/sec, 55 secs
lola: 18459289 markings, 64431841 edges, 255849 markings/sec, 60 secs
lola: 19481890 markings, 68558343 edges, 204520 markings/sec, 65 secs
lola: 20471265 markings, 72408171 edges, 197875 markings/sec, 70 secs
lola: 21451295 markings, 76225545 edges, 196006 markings/sec, 75 secs
lola: 22430096 markings, 80119836 edges, 195760 markings/sec, 80 secs
lola: 23428657 markings, 84007136 edges, 199712 markings/sec, 85 secs
lola: 24421869 markings, 87872017 edges, 198642 markings/sec, 90 secs
lola: 25410266 markings, 91721144 edges, 197679 markings/sec, 95 secs
lola: 26561179 markings, 95954129 edges, 230183 markings/sec, 100 secs
lola: 27663355 markings, 100029093 edges, 220435 markings/sec, 105 secs
lola: 28701435 markings, 103949246 edges, 207616 markings/sec, 110 secs
lola: 29743219 markings, 107870986 edges, 208357 markings/sec, 115 secs
lola: 30839322 markings, 112015365 edges, 219221 markings/sec, 120 secs
lola: 32013285 markings, 116459072 edges, 234793 markings/sec, 125 secs
lola: 33184831 markings, 120892323 edges, 234309 markings/sec, 130 secs
lola: 34359693 markings, 125339754 edges, 234972 markings/sec, 135 secs
lola: 35535428 markings, 129790784 edges, 235147 markings/sec, 140 secs
lola: 36711516 markings, 134243246 edges, 235218 markings/sec, 145 secs
lola: 37836429 markings, 138492362 edges, 224983 markings/sec, 150 secs
lola: 38928791 markings, 142631644 edges, 218472 markings/sec, 155 secs
lola: 39969728 markings, 146610857 edges, 208187 markings/sec, 160 secs
lola: 41036044 markings, 150640219 edges, 213263 markings/sec, 165 secs
lola: 42097150 markings, 154641838 edges, 212221 markings/sec, 170 secs
lola: 43151917 markings, 158623153 edges, 210953 markings/sec, 175 secs
lola: 44209525 markings, 162624432 edges, 211522 markings/sec, 180 secs
lola: 45245934 markings, 166586932 edges, 207282 markings/sec, 185 secs
lola: 46142947 markings, 170660417 edges, 179403 markings/sec, 190 secs
lola: 46999460 markings, 174100119 edges, 171303 markings/sec, 195 secs
lola: 47774430 markings, 177271014 edges, 154994 markings/sec, 200 secs
lola: 48589827 markings, 180618217 edges, 163079 markings/sec, 205 secs
lola: 49416756 markings, 184019082 edges, 165386 markings/sec, 210 secs
lola: 50255722 markings, 187448830 edges, 167793 markings/sec, 215 secs
lola: 51089626 markings, 190863833 edges, 166781 markings/sec, 220 secs
lola: 51887679 markings, 194143282 edges, 159611 markings/sec, 225 secs
lola: 52657897 markings, 197300553 edges, 154044 markings/sec, 230 secs
lola: 53421942 markings, 200436620 edges, 152809 markings/sec, 235 secs
lola: 54185476 markings, 203569651 edges, 152707 markings/sec, 240 secs
lola: 54882251 markings, 206751146 edges, 139355 markings/sec, 245 secs
lola: 55771248 markings, 210278974 edges, 177799 markings/sec, 250 secs
lola: 56581916 markings, 213602899 edges, 162134 markings/sec, 255 secs
lola: 57419960 markings, 217046611 edges, 167609 markings/sec, 260 secs
lola: 58268793 markings, 220511420 edges, 169767 markings/sec, 265 secs
lola: 59112091 markings, 223980787 edges, 168660 markings/sec, 270 secs
lola: 59958154 markings, 227450159 edges, 169213 markings/sec, 275 secs
lola: 60782931 markings, 230819713 edges, 164955 markings/sec, 280 secs
lola: 61592800 markings, 234147811 edges, 161974 markings/sec, 285 secs
lola: 62421005 markings, 237549558 edges, 165641 markings/sec, 290 secs
lola: 63287058 markings, 241087108 edges, 173211 markings/sec, 295 secs
lola: 64384806 markings, 245478698 edges, 219550 markings/sec, 300 secs
lola: 65568159 markings, 249889431 edges, 236671 markings/sec, 305 secs
lola: 66669840 markings, 254104707 edges, 220336 markings/sec, 310 secs
lola: 67730813 markings, 258199614 edges, 212195 markings/sec, 315 secs
lola: 68768947 markings, 262247316 edges, 207627 markings/sec, 320 secs
lola: 69757639 markings, 266220172 edges, 197738 markings/sec, 325 secs
lola: 70766310 markings, 270192890 edges, 201734 markings/sec, 330 secs
lola: 71793553 markings, 274214406 edges, 205449 markings/sec, 335 secs
lola: 72821376 markings, 278251681 edges, 205565 markings/sec, 340 secs
lola: 73818641 markings, 282218039 edges, 199453 markings/sec, 345 secs
lola: 74838704 markings, 286313550 edges, 204013 markings/sec, 350 secs
lola: 75878167 markings, 290389661 edges, 207893 markings/sec, 355 secs
lola: 76923956 markings, 294490614 edges, 209158 markings/sec, 360 secs
lola: 77964702 markings, 298581612 edges, 208149 markings/sec, 365 secs
lola: 78949635 markings, 302523049 edges, 196987 markings/sec, 370 secs
lola: 79966245 markings, 306581996 edges, 203322 markings/sec, 375 secs
lola: 80997457 markings, 310640784 edges, 206242 markings/sec, 380 secs
lola: 82020786 markings, 314647667 edges, 204666 markings/sec, 385 secs
lola: 83021936 markings, 318586754 edges, 200230 markings/sec, 390 secs
lola: 83954431 markings, 322364399 edges, 186499 markings/sec, 395 secs
lola: 84959524 markings, 326310576 edges, 201019 markings/sec, 400 secs
lola: 85963729 markings, 330236886 edges, 200841 markings/sec, 405 secs
lola: 86948048 markings, 334109621 edges, 196864 markings/sec, 410 secs
lola: 87906514 markings, 337985594 edges, 191693 markings/sec, 415 secs
lola: 88885791 markings, 341854340 edges, 195855 markings/sec, 420 secs
lola: 89891144 markings, 345776872 edges, 201071 markings/sec, 425 secs
lola: 90881793 markings, 349660237 edges, 198130 markings/sec, 430 secs
lola: 91805406 markings, 353399803 edges, 184723 markings/sec, 435 secs
lola: 92782601 markings, 357269971 edges, 195439 markings/sec, 440 secs
lola: 93770873 markings, 361119336 edges, 197654 markings/sec, 445 secs
lola: 94699438 markings, 364762629 edges, 185713 markings/sec, 450 secs
lola: 95343763 markings, 367390115 edges, 128865 markings/sec, 455 secs
lola: Child process aborted or communication problem between parent and child process
lola: subprocess 10 will run for 512 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (X (G (FIREABLE(crG))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A (X (G (FIREABLE(crG))))
lola: processed formula: A (X (G (FIREABLE(crG))))
lola: processed formula length: 25
lola: 0 rewrites
lola: formula mentions 0 of 25 places; total mentions: 0
lola: closed formula file ClientsAndServers-PT-N0020P3-LTLFireability.task
lola: the resulting B\xfcchi automaton has 3 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 72 bytes per marking, with 30 unused bits
lola: using a prefix tree store (--store=prefix)
lola: Formula contains X operator; stubborn sets not applicable
lola: SEARCH
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: LTL model checker
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: 1217 markings, 1217 edges
lola: ========================================
lola: subprocess 11 will run for 615 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (X (FIREABLE(srG)))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A (X (FIREABLE(srG)))
lola: processed formula: A (X (FIREABLE(srG)))
lola: processed formula length: 21
lola: 0 rewrites
lola: formula mentions 0 of 25 places; total mentions: 0
lola: closed formula file ClientsAndServers-PT-N0020P3-LTLFireability.task
lola: the resulting B\xfcchi automaton has 3 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 72 bytes per marking, with 30 unused bits
lola: using a prefix tree store (--store=prefix)
lola: Formula contains X operator; stubborn sets not applicable
lola: SEARCH
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: LTL model checker
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: 1217 markings, 1217 edges
lola: ========================================
lola: subprocess 12 will run for 769 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G (X (G ((FIREABLE(mrF) U FIREABLE(mfU))))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A (G (X (G ((FIREABLE(mrF) U FIREABLE(mfU))))))
lola: processed formula: A (G (X (G ((FIREABLE(mrF) U FIREABLE(mfU))))))
lola: processed formula length: 47
lola: 0 rewrites
lola: formula mentions 0 of 25 places; total mentions: 0
lola: closed formula file ClientsAndServers-PT-N0020P3-LTLFireability.task
lola: the resulting B\xfcchi automaton has 4 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 72 bytes per marking, with 29 unused bits
lola: using a prefix tree store (--store=prefix)
lola: Formula contains X operator; stubborn sets not applicable
lola: SEARCH
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: LTL model checker
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: 1217 markings, 1217 edges
lola: ========================================
lola: subprocess 13 will run for 1025 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A ((FIREABLE(ssG) U FIREABLE(srG)))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A ((FIREABLE(ssG) U FIREABLE(srG)))
lola: processed formula: A ((FIREABLE(ssG) U FIREABLE(srG)))
lola: processed formula length: 35
lola: 0 rewrites
lola: formula mentions 0 of 25 places; total mentions: 0
lola: closed formula file ClientsAndServers-PT-N0020P3-LTLFireability.task
lola: the resulting B\xfcchi automaton has 2 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 72 bytes per marking, with 30 unused bits
lola: using a prefix tree store (--store=prefix)
lola: using ltl preserving stubborn set method (--stubborn)
lola: SEARCH
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: LTL model checker
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: 373 markings, 373 edges
lola: ========================================
lola: subprocess 14 will run for 1538 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (((FIREABLE(srG) U G (FIREABLE(crG))) U G (F (G (FIREABLE(ssA))))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A (((FIREABLE(srG) U G (FIREABLE(crG))) U F (G (FIREABLE(ssA)))))
lola: processed formula: A (((FIREABLE(srG) U G (FIREABLE(crG))) U F (G (FIREABLE(ssA)))))
lola: processed formula length: 65
lola: 1 rewrites
lola: formula mentions 0 of 25 places; total mentions: 0
lola: closed formula file ClientsAndServers-PT-N0020P3-LTLFireability.task
lola: the resulting B\xfcchi automaton has 2 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 72 bytes per marking, with 30 unused bits
lola: using a prefix tree store (--store=prefix)
lola: using ltl preserving stubborn set method (--stubborn)
lola: SEARCH
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: LTL model checker
lola: The net does not satisfy the given formula (language of the product automaton is nonempty).
lola: 730 markings, 731 edges
lola: ========================================
lola: subprocess 15 will run for 3076 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (X ((X (F (FIREABLE(msG))) U X (FIREABLE(srA)))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a B\xfcchi-Automaton
lola: processed formula: A (X (X ((F (FIREABLE(msG)) U FIREABLE(srA)))))
lola: processed formula: A (X (X ((F (FIREABLE(msG)) U FIREABLE(srA)))))
lola: processed formula length: 47
lola: 1 rewrites
lola: formula mentions 0 of 25 places; total mentions: 0
lola: closed formula file ClientsAndServers-PT-N0020P3-LTLFireability.task
lola: the resulting B\xfcchi automaton has 4 states
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 72 bytes per marking, with 29 unused bits
lola: using a prefix tree store (--store=prefix)
lola: Formula contains X operator; stubborn sets not applicable
lola: SEARCH
lola: RUNNING
lola: 3128574 markings, 7632023 edges, 625715 markings/sec, 0 secs
lola: 5302146 markings, 13710728 edges, 434714 markings/sec, 5 secs
lola: 7022110 markings, 19106649 edges, 343993 markings/sec, 10 secs
lola: 8574978 markings, 24045453 edges, 310574 markings/sec, 15 secs
lola: 10093750 markings, 28894473 edges, 303754 markings/sec, 20 secs
lola: 11572553 markings, 33636017 edges, 295761 markings/sec, 25 secs
lola: 13044267 markings, 38380805 edges, 294343 markings/sec, 30 secs
lola: 14524405 markings, 43319949 edges, 296028 markings/sec, 35 secs
lola: 15867851 markings, 48285072 edges, 268689 markings/sec, 40 secs
lola: 17197249 markings, 52798380 edges, 265880 markings/sec, 45 secs
lola: 18479527 markings, 57228203 edges, 256456 markings/sec, 50 secs
lola: 19744068 markings, 61598814 edges, 252908 markings/sec, 55 secs
lola: 20999861 markings, 65942351 edges, 251159 markings/sec, 60 secs
lola: 22243367 markings, 70287216 edges, 248701 markings/sec, 65 secs
lola: 23481572 markings, 74625766 edges, 247641 markings/sec, 70 secs
lola: 24722665 markings, 78977935 edges, 248219 markings/sec, 75 secs
lola: 25970592 markings, 83352819 edges, 249585 markings/sec, 80 secs
lola: 27212421 markings, 87703818 edges, 248366 markings/sec, 85 secs
lola: 28444444 markings, 92017508 edges, 246405 markings/sec, 90 secs
lola: 29670629 markings, 96307915 edges, 245237 markings/sec, 95 secs
lola: 30895321 markings, 100599614 edges, 244938 markings/sec, 100 secs
lola: 32102071 markings, 104866041 edges, 241350 markings/sec, 105 secs
lola: 33316881 markings, 109163341 edges, 242962 markings/sec, 110 secs
lola: 34527007 markings, 113394668 edges, 242025 markings/sec, 115 secs
lola: 35673120 markings, 117471180 edges, 229223 markings/sec, 120 secs
lola: 36824902 markings, 121518391 edges, 230356 markings/sec, 125 secs
lola: 37971214 markings, 125534734 edges, 229262 markings/sec, 130 secs
lola: 39086397 markings, 129512664 edges, 223037 markings/sec, 135 secs
lola: 40241779 markings, 133552843 edges, 231076 markings/sec, 140 secs
lola: 41352148 markings, 137524918 edges, 222074 markings/sec, 145 secs
lola: 42514518 markings, 141587517 edges, 232474 markings/sec, 150 secs
lola: 43624576 markings, 145555183 edges, 222012 markings/sec, 155 secs
lola: 44779119 markings, 149595980 edges, 230909 markings/sec, 160 secs
lola: 45900997 markings, 153602080 edges, 224376 markings/sec, 165 secs
lola: 47077759 markings, 157730032 edges, 235352 markings/sec, 170 secs
lola: 48235472 markings, 161857897 edges, 231543 markings/sec, 175 secs
lola: 49376624 markings, 165954530 edges, 228230 markings/sec, 180 secs
lola: 50194836 markings, 170424193 edges, 163642 markings/sec, 185 secs
lola: 50916853 markings, 174841653 edges, 144403 markings/sec, 190 secs
lola: 52203602 markings, 179239874 edges, 257350 markings/sec, 195 secs
lola: 53303629 markings, 183170832 edges, 220005 markings/sec, 200 secs
lola: 54320091 markings, 186897129 edges, 203292 markings/sec, 205 secs
lola: 55316498 markings, 190555366 edges, 199281 markings/sec, 210 secs
lola: 56321929 markings, 194231035 edges, 201086 markings/sec, 215 secs
lola: 57319400 markings, 197880223 edges, 199494 markings/sec, 220 secs
lola: 58301640 markings, 201477926 edges, 196448 markings/sec, 225 secs
lola: 59276720 markings, 205153541 edges, 195016 markings/sec, 230 secs
lola: 60302502 markings, 208942261 edges, 205156 markings/sec, 235 secs
lola: 61341390 markings, 212752219 edges, 207778 markings/sec, 240 secs
lola: 62321005 markings, 216482896 edges, 195923 markings/sec, 245 secs
lola: 63384235 markings, 220376971 edges, 212646 markings/sec, 250 secs
lola: 64373234 markings, 224150097 edges, 197800 markings/sec, 255 secs
lola: 65439899 markings, 228053582 edges, 213333 markings/sec, 260 secs
lola: 66423199 markings, 231801028 edges, 196660 markings/sec, 265 secs
lola: 67457131 markings, 235630920 edges, 206786 markings/sec, 270 secs
lola: 68466572 markings, 239435328 edges, 201888 markings/sec, 275 secs
lola: 69440351 markings, 243173531 edges, 194756 markings/sec, 280 secs
lola: 70508381 markings, 247070833 edges, 213606 markings/sec, 285 secs
lola: 71497818 markings, 250842152 edges, 197887 markings/sec, 290 secs
lola: 72465625 markings, 254571536 edges, 193561 markings/sec, 295 secs
lola: 73545712 markings, 258495428 edges, 216017 markings/sec, 300 secs
lola: 74526935 markings, 262251093 edges, 196245 markings/sec, 305 secs
lola: 75495235 markings, 265980088 edges, 193660 markings/sec, 310 secs
lola: 76569721 markings, 269890030 edges, 214897 markings/sec, 315 secs
lola: 77547722 markings, 273631517 edges, 195600 markings/sec, 320 secs
lola: 78516601 markings, 277364654 edges, 193776 markings/sec, 325 secs
lola: 79567151 markings, 281203796 edges, 210110 markings/sec, 330 secs
lola: 80544320 markings, 284912920 edges, 195434 markings/sec, 335 secs
lola: 81494657 markings, 288559162 edges, 190067 markings/sec, 340 secs
lola: 82430650 markings, 292178752 edges, 187199 markings/sec, 345 secs
lola: 83464196 markings, 295930031 edges, 206709 markings/sec, 350 secs
lola: 84332896 markings, 299241819 edges, 173740 markings/sec, 355 secs
lola: 85188030 markings, 302518593 edges, 171027 markings/sec, 360 secs
lola: 86035063 markings, 305788536 edges, 169407 markings/sec, 365 secs
lola: 86959382 markings, 309255230 edges, 184864 markings/sec, 370 secs
lola: 87923361 markings, 312806979 edges, 192796 markings/sec, 375 secs
lola: 88803618 markings, 316180136 edges, 176051 markings/sec, 380 secs
lola: 89677319 markings, 319541759 edges, 174740 markings/sec, 385 secs
lola: 90548836 markings, 322907819 edges, 174303 markings/sec, 390 secs
lola: 91516060 markings, 326435108 edges, 193445 markings/sec, 395 secs
lola: 92424017 markings, 329868647 edges, 181591 markings/sec, 400 secs
lola: 93320573 markings, 333304895 edges, 179311 markings/sec, 405 secs
lola: 94194780 markings, 336682100 edges, 174841 markings/sec, 410 secs
lola: 95077800 markings, 340089595 edges, 176604 markings/sec, 415 secs
lola: 96003218 markings, 343525400 edges, 185084 markings/sec, 420 secs
lola: 96967818 markings, 347107599 edges, 192920 markings/sec, 425 secs
lola: Child process aborted or communication problem between parent and child process
lola: RESULT
lola:
SUMMARY: no no no no no yes no no no unknown no no no no no unknown
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-0 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-1 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-2 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-3 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-4 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-5 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-6 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-7 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-8 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-9 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-11 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-12 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-13 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-14 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA ClientsAndServers-PT-N0020P3-LTLFireability-15 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
----- Kill lola and sara stderr -----
----- Kill lola and sara stdout -----
----- Finished stderr -----
----- Finished stdout -----
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="ClientsAndServers-PT-N0020P3"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="mcc4mcc-full"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
tar xzf /home/mcc/BenchKit/INPUTS/ClientsAndServers-PT-N0020P3.tgz
mv ClientsAndServers-PT-N0020P3 execution
cd execution
pwd
ls -lh
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-3637"
echo " Executing tool mcc4mcc-full"
echo " Input is ClientsAndServers-PT-N0020P3, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r214-smll-152732265000038"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;