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 irma4mcc-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 r210-smll-152732260300038
=====================================================================

--------------------
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 1527362744166


BK_STOP 1527363705718

--------------------
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...
----- Start make prepare stderr -----

Time: 3600 - MCC
----- Start make prepare stdout -----
===========================================================================================
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 stdout -----
----- Start make result stderr -----
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: 1910199 markings, 5731381 edges, 382040 markings/sec, 0 secs
lola: 3384393 markings, 10653699 edges, 294839 markings/sec, 5 secs
lola: 4875125 markings, 15685823 edges, 298146 markings/sec, 10 secs
lola: 6340229 markings, 20665125 edges, 293021 markings/sec, 15 secs
lola: 7577595 markings, 25135760 edges, 247473 markings/sec, 20 secs
lola: 8699085 markings, 29274408 edges, 224298 markings/sec, 25 secs
lola: 9931317 markings, 33690699 edges, 246446 markings/sec, 30 secs
lola: 11227681 markings, 38305570 edges, 259273 markings/sec, 35 secs
lola: 12496597 markings, 42875436 edges, 253783 markings/sec, 40 secs
lola: 13765498 markings, 47444959 edges, 253780 markings/sec, 45 secs
lola: 15036261 markings, 52018078 edges, 254153 markings/sec, 50 secs
lola: 16304291 markings, 56584175 edges, 253606 markings/sec, 55 secs
lola: 17569638 markings, 61142583 edges, 253069 markings/sec, 60 secs
lola: 18729943 markings, 65641116 edges, 232061 markings/sec, 65 secs
lola: 19701381 markings, 69415501 edges, 194288 markings/sec, 70 secs
lola: 20657661 markings, 73134376 edges, 191256 markings/sec, 75 secs
lola: 21584541 markings, 76745925 edges, 185376 markings/sec, 80 secs
lola: 22537664 markings, 80538729 edges, 190625 markings/sec, 85 secs
lola: 23515314 markings, 84341435 edges, 195530 markings/sec, 90 secs
lola: 24473825 markings, 88080288 edges, 191702 markings/sec, 95 secs
lola: 25465841 markings, 91943796 edges, 198403 markings/sec, 100 secs
lola: 26745423 markings, 96612567 edges, 255916 markings/sec, 105 secs
lola: 27909069 markings, 100935266 edges, 232729 markings/sec, 110 secs
lola: 29028681 markings, 105152398 edges, 223922 markings/sec, 115 secs
lola: 30134326 markings, 109337345 edges, 221129 markings/sec, 120 secs
lola: 31237494 markings, 113523801 edges, 220634 markings/sec, 125 secs
lola: 32324635 markings, 117668941 edges, 217428 markings/sec, 130 secs
lola: 33435209 markings, 121873581 edges, 222115 markings/sec, 135 secs
lola: 34551405 markings, 126088262 edges, 223239 markings/sec, 140 secs
lola: 35664854 markings, 130300423 edges, 222690 markings/sec, 145 secs
lola: 36821006 markings, 134674913 edges, 231230 markings/sec, 150 secs
lola: 37984228 markings, 139073027 edges, 232644 markings/sec, 155 secs
lola: 39151201 markings, 143486999 edges, 233395 markings/sec, 160 secs
lola: 40314703 markings, 147889944 edges, 232700 markings/sec, 165 secs
lola: 41472974 markings, 152277194 edges, 231654 markings/sec, 170 secs
lola: 42625437 markings, 156638140 edges, 230493 markings/sec, 175 secs
lola: 43787542 markings, 161038905 edges, 232421 markings/sec, 180 secs
lola: 44948528 markings, 165429354 edges, 232197 markings/sec, 185 secs
lola: 46022077 markings, 169839182 edges, 214710 markings/sec, 190 secs
lola: 46929993 markings, 173840461 edges, 181583 markings/sec, 195 secs
lola: 47819993 markings, 177460165 edges, 178000 markings/sec, 200 secs
lola: 48691655 markings, 181047865 edges, 174332 markings/sec, 205 secs
lola: 49539232 markings, 184506425 edges, 169515 markings/sec, 210 secs
lola: 50368599 markings, 187913749 edges, 165873 markings/sec, 215 secs
lola: 51201381 markings, 191336246 edges, 166556 markings/sec, 220 secs
lola: 52039961 markings, 194759414 edges, 167716 markings/sec, 225 secs
lola: 52869436 markings, 198164393 edges, 165895 markings/sec, 230 secs
lola: 53693859 markings, 201555039 edges, 164885 markings/sec, 235 secs
lola: 54525606 markings, 204960652 edges, 166349 markings/sec, 240 secs
lola: 55358623 markings, 208634933 edges, 166603 markings/sec, 245 secs
lola: 56237468 markings, 212182671 edges, 175769 markings/sec, 250 secs
lola: 57068561 markings, 215598700 edges, 166219 markings/sec, 255 secs
lola: 57889886 markings, 218971858 edges, 164265 markings/sec, 260 secs
lola: 58736217 markings, 222428299 edges, 169266 markings/sec, 265 secs
lola: 59568640 markings, 225845582 edges, 166485 markings/sec, 270 secs
lola: 60394641 markings, 229242830 edges, 165200 markings/sec, 275 secs
lola: 61246262 markings, 232720904 edges, 170324 markings/sec, 280 secs
lola: 62103575 markings, 236241150 edges, 171463 markings/sec, 285 secs
lola: 62959647 markings, 239759384 edges, 171214 markings/sec, 290 secs
lola: 63857035 markings, 243604470 edges, 179478 markings/sec, 295 secs
lola: 65093561 markings, 248114096 edges, 247305 markings/sec, 300 secs
lola: 66215745 markings, 252328916 edges, 224437 markings/sec, 305 secs
lola: 67216395 markings, 256277082 edges, 200130 markings/sec, 310 secs
lola: 68216979 markings, 260171130 edges, 200117 markings/sec, 315 secs
lola: 69226652 markings, 264086802 edges, 201935 markings/sec, 320 secs
lola: 70223118 markings, 267971719 edges, 199293 markings/sec, 325 secs
lola: 71153062 markings, 271716060 edges, 185989 markings/sec, 330 secs
lola: 72121278 markings, 275561704 edges, 193643 markings/sec, 335 secs
lola: 73101851 markings, 279396420 edges, 196115 markings/sec, 340 secs
lola: 74077693 markings, 283207483 edges, 195168 markings/sec, 345 secs
lola: 75015942 markings, 286996959 edges, 187650 markings/sec, 350 secs
lola: 75962100 markings, 290749716 edges, 189232 markings/sec, 355 secs
lola: 76945463 markings, 294578312 edges, 196673 markings/sec, 360 secs
lola: 77911629 markings, 298375781 edges, 193233 markings/sec, 365 secs
lola: 78822536 markings, 302062590 edges, 182181 markings/sec, 370 secs
lola: 79785580 markings, 305849566 edges, 192609 markings/sec, 375 secs
lola: 80753418 markings, 309638524 edges, 193568 markings/sec, 380 secs
lola: 81722020 markings, 313446183 edges, 193720 markings/sec, 385 secs
lola: 82638765 markings, 317161280 edges, 183349 markings/sec, 390 secs
lola: 83587196 markings, 320882164 edges, 189686 markings/sec, 395 secs
lola: 84561240 markings, 324694144 edges, 194809 markings/sec, 400 secs
lola: 85540751 markings, 328552145 edges, 195902 markings/sec, 405 secs
lola: 86464923 markings, 332284972 edges, 184834 markings/sec, 410 secs
lola: 87436800 markings, 336107674 edges, 194375 markings/sec, 415 secs
lola: 88428987 markings, 339984344 edges, 198437 markings/sec, 420 secs
lola: 89362617 markings, 343677069 edges, 186726 markings/sec, 425 secs
lola: 90277561 markings, 347364768 edges, 182989 markings/sec, 430 secs
lola: 91232601 markings, 351105430 edges, 191008 markings/sec, 435 secs
lola: 92195697 markings, 354860954 edges, 192619 markings/sec, 440 secs
lola: 93105117 markings, 358535546 edges, 181884 markings/sec, 445 secs
lola: 94034553 markings, 362202519 edges, 185887 markings/sec, 450 secs
lola: 94959235 markings, 365816025 edges, 184936 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 614 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 768 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 1024 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 1537 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 3074 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: 3227158 markings, 7865829 edges, 645432 markings/sec, 0 secs
lola: 5223326 markings, 13438253 edges, 399234 markings/sec, 5 secs
lola: 6817321 markings, 18460238 edges, 318799 markings/sec, 10 secs
lola: 8305481 markings, 23190670 edges, 297632 markings/sec, 15 secs
lola: 9775139 markings, 27881427 edges, 293932 markings/sec, 20 secs
lola: 11236122 markings, 32565521 edges, 292197 markings/sec, 25 secs
lola: 12692353 markings, 37232666 edges, 291246 markings/sec, 30 secs
lola: 14141966 markings, 41903563 edges, 289923 markings/sec, 35 secs
lola: 15420820 markings, 46791785 edges, 255771 markings/sec, 40 secs
lola: 16746563 markings, 51257500 edges, 265149 markings/sec, 45 secs
lola: 17995793 markings, 55568594 edges, 249846 markings/sec, 50 secs
lola: 19228608 markings, 59827761 edges, 246563 markings/sec, 55 secs
lola: 20439191 markings, 64004498 edges, 242117 markings/sec, 60 secs
lola: 21628122 markings, 68167511 edges, 237786 markings/sec, 65 secs
lola: 22839346 markings, 72350479 edges, 242245 markings/sec, 70 secs
lola: 24019467 markings, 76473440 edges, 236024 markings/sec, 75 secs
lola: 25186751 markings, 80559838 edges, 233457 markings/sec, 80 secs
lola: 26358652 markings, 84661645 edges, 234380 markings/sec, 85 secs
lola: 27504260 markings, 88693737 edges, 229122 markings/sec, 90 secs
lola: 28647740 markings, 92742123 edges, 228696 markings/sec, 95 secs
lola: 29806321 markings, 96795864 edges, 231716 markings/sec, 100 secs
lola: 30973173 markings, 100877732 edges, 233370 markings/sec, 105 secs
lola: 32112709 markings, 104895614 edges, 227907 markings/sec, 110 secs
lola: 33255613 markings, 108941462 edges, 228581 markings/sec, 115 secs
lola: 34418813 markings, 113010235 edges, 232640 markings/sec, 120 secs
lola: 35530580 markings, 116987981 edges, 222353 markings/sec, 125 secs
lola: 36684043 markings, 121016020 edges, 230693 markings/sec, 130 secs
lola: 37822288 markings, 125011199 edges, 227649 markings/sec, 135 secs
lola: 38937713 markings, 128981890 edges, 223085 markings/sec, 140 secs
lola: 40074130 markings, 132960613 edges, 227283 markings/sec, 145 secs
lola: 41174288 markings, 136883982 edges, 220032 markings/sec, 150 secs
lola: 42328793 markings, 140927250 edges, 230901 markings/sec, 155 secs
lola: 43451211 markings, 144934659 edges, 224484 markings/sec, 160 secs
lola: 44631179 markings, 149071834 edges, 235994 markings/sec, 165 secs
lola: 45779945 markings, 153167269 edges, 229753 markings/sec, 170 secs
lola: 46930287 markings, 157225493 edges, 230068 markings/sec, 175 secs
lola: 48097264 markings, 161360776 edges, 233395 markings/sec, 180 secs
lola: 49227305 markings, 165417085 edges, 226008 markings/sec, 185 secs
lola: 50092694 markings, 169793748 edges, 173078 markings/sec, 190 secs
lola: 50803518 markings, 174185053 edges, 142165 markings/sec, 195 secs
lola: 51996648 markings, 178518375 edges, 238626 markings/sec, 200 secs
lola: 53122935 markings, 182506129 edges, 225257 markings/sec, 205 secs
lola: 54168969 markings, 186322421 edges, 209207 markings/sec, 210 secs
lola: 55181004 markings, 190039485 edges, 202407 markings/sec, 215 secs
lola: 56198087 markings, 193759602 edges, 203417 markings/sec, 220 secs
lola: 57202260 markings, 197435196 edges, 200835 markings/sec, 225 secs
lola: 58181713 markings, 201025478 edges, 195891 markings/sec, 230 secs
lola: 59095250 markings, 204498067 edges, 182707 markings/sec, 235 secs
lola: 60093355 markings, 208138771 edges, 199621 markings/sec, 240 secs
lola: 61024377 markings, 211627442 edges, 186204 markings/sec, 245 secs
lola: 61979688 markings, 215176384 edges, 191062 markings/sec, 250 secs
lola: 62916150 markings, 218678258 edges, 187292 markings/sec, 255 secs
lola: 63877211 markings, 222251928 edges, 192212 markings/sec, 260 secs
lola: 64820808 markings, 225870342 edges, 188719 markings/sec, 265 secs
lola: 65825203 markings, 229518922 edges, 200879 markings/sec, 270 secs
lola: 66749762 markings, 233052512 edges, 184912 markings/sec, 275 secs
lola: 67746597 markings, 236694972 edges, 199367 markings/sec, 280 secs
lola: 68668746 markings, 240211727 edges, 184430 markings/sec, 285 secs
lola: 69581115 markings, 243710087 edges, 182474 markings/sec, 290 secs
lola: 70589956 markings, 247375514 edges, 201768 markings/sec, 295 secs
lola: 71512059 markings, 250897730 edges, 184421 markings/sec, 300 secs
lola: 72420249 markings, 254394482 edges, 181638 markings/sec, 305 secs
lola: 73431329 markings, 258062643 edges, 202216 markings/sec, 310 secs
lola: 74346784 markings, 261558228 edges, 183091 markings/sec, 315 secs
lola: 75247996 markings, 265026929 edges, 180242 markings/sec, 320 secs
lola: 76244206 markings, 268660120 edges, 199242 markings/sec, 325 secs
lola: 77163730 markings, 272157595 edges, 183905 markings/sec, 330 secs
lola: 78070681 markings, 275636787 edges, 181390 markings/sec, 335 secs
lola: 78964628 markings, 279089404 edges, 178789 markings/sec, 340 secs
lola: 79972783 markings, 282733155 edges, 201631 markings/sec, 345 secs
lola: 80880212 markings, 286197864 edges, 181486 markings/sec, 350 secs
lola: 81772332 markings, 289631509 edges, 178424 markings/sec, 355 secs
lola: 82658922 markings, 293057145 edges, 177318 markings/sec, 360 secs
lola: 83669252 markings, 296703554 edges, 202066 markings/sec, 365 secs
lola: 84575963 markings, 300166021 edges, 181342 markings/sec, 370 secs
lola: 85468475 markings, 303600551 edges, 178502 markings/sec, 375 secs
lola: 86356755 markings, 307032916 edges, 177656 markings/sec, 380 secs
lola: 87347019 markings, 310623882 edges, 198053 markings/sec, 385 secs
lola: 88264671 markings, 314113772 edges, 183530 markings/sec, 390 secs
lola: 89154860 markings, 317537026 edges, 178038 markings/sec, 395 secs
lola: 90039412 markings, 320943013 edges, 176910 markings/sec, 400 secs
lola: 90923593 markings, 324360141 edges, 176836 markings/sec, 405 secs
lola: 91911022 markings, 327918926 edges, 197486 markings/sec, 410 secs
lola: 92798647 markings, 331306295 edges, 177525 markings/sec, 415 secs
lola: 93664955 markings, 334637858 edges, 173262 markings/sec, 420 secs
lola: 94454974 markings, 337685966 edges, 158004 markings/sec, 425 secs
lola: 95320535 markings, 341029738 edges, 173112 markings/sec, 430 secs
lola: 96285162 markings, 344521348 edges, 192925 markings/sec, 435 secs
lola: 97132700 markings, 347737665 edges, 169508 markings/sec, 440 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 stdout -----
----- Kill lola and sara stderr -----
----- Finished stdout -----
----- Finished stderr -----

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="irma4mcc-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 irma4mcc-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 r210-smll-152732260300038"
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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;