About the Execution of LoLA for TCPcondis-PT-15
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
15919.270 | 1030307.00 | 937623.00 | 11402.00 | F?FTFTFFFTFFFFFT | 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 192K
-rw-r--r-- 1 mcc users 4.0K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 14K May 15 18:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 15 18:50 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.0K May 15 18:50 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 2.2K May 26 09:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 9.1K May 26 09:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.8K May 26 09:27 LTLFireability.txt
-rw-r--r-- 1 mcc users 9.1K May 26 09:27 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 20K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 106 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 344 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 2.9K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 19K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 15 18:50 equiv_col
-rw-r--r-- 1 mcc users 3 May 15 18:50 instance
-rw-r--r-- 1 mcc users 6 May 15 18:50 iscolored
-rwxr-xr-x 1 mcc users 24K May 15 18:50 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool lola
Input is TCPcondis-PT-15, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r208-smll-152732258100673
=====================================================================
--------------------
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 TCPcondis-PT-15-LTLCardinality-00
FORMULA_NAME TCPcondis-PT-15-LTLCardinality-01
FORMULA_NAME TCPcondis-PT-15-LTLCardinality-02
FORMULA_NAME TCPcondis-PT-15-LTLCardinality-03
FORMULA_NAME TCPcondis-PT-15-LTLCardinality-04
FORMULA_NAME TCPcondis-PT-15-LTLCardinality-05
FORMULA_NAME TCPcondis-PT-15-LTLCardinality-06
FORMULA_NAME TCPcondis-PT-15-LTLCardinality-07
FORMULA_NAME TCPcondis-PT-15-LTLCardinality-08
FORMULA_NAME TCPcondis-PT-15-LTLCardinality-09
FORMULA_NAME TCPcondis-PT-15-LTLCardinality-10
FORMULA_NAME TCPcondis-PT-15-LTLCardinality-11
FORMULA_NAME TCPcondis-PT-15-LTLCardinality-12
FORMULA_NAME TCPcondis-PT-15-LTLCardinality-13
FORMULA_NAME TCPcondis-PT-15-LTLCardinality-14
FORMULA_NAME TCPcondis-PT-15-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1528197888491
info: Time: 3600 - MCC
===========================================================================================
prep: translating TCPcondis-PT-15 Petri net model.pnml into LoLA format
===========================================================================================
prep: translating PT Petri net complete
prep: check for too many tokens
===========================================================================================
prep: translating TCPcondis-PT-15 formula LTLCardinality into LoLA format
===========================================================================================
prep: translating PT formula complete
vrfy: Checking LTLCardinality @ TCPcondis-PT-15 @ 3570 seconds
lola: LoLA will run for 3570 seconds at most (--timelimit)
lola: NET
lola: reading net from model.pnml.lola
lola: finished parsing
lola: closed net file model.pnml.lola
lola: 62/65536 symbol table entries, 0 collisions
lola: preprocessing...
lola: Size of bit vector: 960
lola: finding significant places
lola: 30 places, 32 transitions, 21 significant places
lola: computing forward-conflicting sets
lola: computing back-conflicting sets
lola: 48 transition conflict sets
lola: TASK
lola: reading formula from TCPcondis-PT-15-LTLCardinality.task
lola: A (G (G (X (G ((2 <= xCLOSING)))))) : A (F (G (((xSYNRCVD <= xFIN) U (1 <= ESTAB))))) : A (F (F ((2 <= xLASTACK)))) : A (F (X ((ESTAB <= xTIMEWAIT)))) : A (G ((2 <= FINACK))) : A (X ((xSYNRCVD <= xLISTEN))) : A (X ((2 <= xESTAB))) : A (F (((3 <= SYNSENT) U F ((1 <= LASTACK))))) : A (X (G (X (F ((3 <= SYNSENT)))))) : A (((xESTAB <= LASTACK) U X (F ((xESTAB <= CLOSING))))) : A (X (G (G (G ((LASTACK <= xFINWAIT1)))))) : A ((3 <= SYNSENT)) : A (G (F ((xESTAB <= xCLOSED)))) : A (G ((1 <= CLOSING))) : A (G (X (F (F ((xSYNSENT <= xSYNACK)))))) : A ((xSYNACK <= xFIN))
lola: rewrite Frontend/Parser/formula_rewrite.k:353
lola: rewrite Frontend/Parser/formula_rewrite.k:350
lola: rewrite Frontend/Parser/formula_rewrite.k:353
lola: rewrite Frontend/Parser/formula_rewrite.k:350
lola: rewrite Frontend/Parser/formula_rewrite.k:437
lola: rewrite Frontend/Parser/formula_rewrite.k:522
lola: rewrite Frontend/Parser/formula_rewrite.k:347
lola: rewrite Frontend/Parser/formula_rewrite.k:356
lola: rewrite Frontend/Parser/formula_rewrite.k:422
lola: rewrite Frontend/Parser/formula_rewrite.k:347
lola: rewrite Frontend/Parser/formula_rewrite.k:353
lola: rewrite Frontend/Parser/formula_rewrite.k:377
lola: rewrite Frontend/Parser/formula_rewrite.k:377
lola: rewrite Frontend/Parser/formula_rewrite.k:350
lola: rewrite Frontend/Parser/formula_rewrite.k:350
lola: rewrite Frontend/Parser/formula_rewrite.k:151
lola: rewrite Frontend/Parser/formula_rewrite.k:347
lola: rewrite Frontend/Parser/formula_rewrite.k:353
lola: rewrite Frontend/Parser/formula_rewrite.k:377
lola: rewrite Frontend/Parser/formula_rewrite.k:151
lola: computing a collection of formulas
lola: RUNNING
lola: subprocess 0 will run for 223 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (3 <= SYNSENT)
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (3 <= SYNSENT)
lola: processed formula length: 14
lola: 20 rewrites
lola: closed formula file TCPcondis-PT-15-LTLCardinality.task
lola: processed formula with 1 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: ========================================
FORMULA TCPcondis-PT-15-LTLCardinality-11 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 1 will run for 238 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (xSYNACK <= xFIN)
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (xSYNACK <= xFIN)
lola: processed formula length: 17
lola: 20 rewrites
lola: closed formula file TCPcondis-PT-15-LTLCardinality.task
lola: processed formula with 1 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: produced by: preprocessing
lola: The net satisfies the property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================
FORMULA TCPcondis-PT-15-LTLCardinality-15 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 2 will run for 255 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (X ((xSYNRCVD <= xLISTEN)))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: processed formula: A (X ((xSYNRCVD <= xLISTEN)))
lola: processed formula length: 29
lola: 20 rewrites
lola: closed formula file TCPcondis-PT-15-LTLCardinality.task
lola: the resulting Büchi automaton has 3 states
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
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: yes
lola: produced by: LTL model checker
lola: The net satisfies the given formula (language of the product automaton is empty).
lola: 5 markings, 4 edges
lola: ========================================
FORMULA TCPcondis-PT-15-LTLCardinality-5 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 3 will run for 274 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (X ((2 <= xESTAB)))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: processed formula: A (X ((2 <= xESTAB)))
lola: processed formula length: 21
lola: 20 rewrites
lola: closed formula file TCPcondis-PT-15-LTLCardinality.task
lola: the resulting Büchi automaton has 3 states
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
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: 158 markings, 158 edges
lola: ========================================
FORMULA TCPcondis-PT-15-LTLCardinality-6 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 4 will run for 297 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (((xESTAB <= LASTACK) U X (F ((xESTAB <= CLOSING)))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: processed formula: A (((xESTAB <= LASTACK) U X (F ((xESTAB <= CLOSING)))))
lola: processed formula length: 55
lola: 20 rewrites
lola: closed formula file TCPcondis-PT-15-LTLCardinality.task
lola: the resulting Büchi automaton has 3 states
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
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: yes
lola: produced by: LTL model checker
lola: The net satisfies the given formula (language of the product automaton is empty).
lola: 5 markings, 4 edges
lola: ========================================
FORMULA TCPcondis-PT-15-LTLCardinality-9 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 5 will run for 324 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (X (G ((LASTACK <= xFINWAIT1))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: processed formula: A (X (G ((LASTACK <= xFINWAIT1))))
lola: processed formula length: 34
lola: 20 rewrites
lola: closed formula file TCPcondis-PT-15-LTLCardinality.task
lola: the resulting Büchi automaton has 3 states
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
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: 516 markings, 750 edges
lola: ========================================
FORMULA TCPcondis-PT-15-LTLCardinality-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 6 will run for 357 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (X (G ((2 <= xCLOSING))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: processed formula: A (X (G ((2 <= xCLOSING))))
lola: processed formula length: 27
lola: 20 rewrites
lola: closed formula file TCPcondis-PT-15-LTLCardinality.task
lola: the resulting Büchi automaton has 3 states
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
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: 158 markings, 158 edges
lola: ========================================
FORMULA TCPcondis-PT-15-LTLCardinality-0 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 7 will run for 396 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (X (F ((ESTAB <= xTIMEWAIT))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: processed formula: A (X (F ((ESTAB <= xTIMEWAIT))))
lola: processed formula length: 32
lola: 20 rewrites
lola: closed formula file TCPcondis-PT-15-LTLCardinality.task
lola: the resulting Büchi automaton has 2 states
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
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: yes
lola: produced by: LTL model checker
lola: The net satisfies the given formula (language of the product automaton is empty).
lola: 5 markings, 4 edges
lola: ========================================
FORMULA TCPcondis-PT-15-LTLCardinality-3 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 8 will run for 446 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G ((1 <= CLOSING)))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: rewrite Frontend/Parser/formula_rewrite.k:631
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: processed formula: A (G ((1 <= CLOSING)))
lola: processed formula length: 22
lola: 22 rewrites
lola: closed formula file TCPcondis-PT-15-LTLCardinality.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: rewrite Frontend/Parser/formula_rewrite.k:631
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: formula 0: (CLOSING <= 0)
lola: The predicate is not invariant.
lola: 0 markings, 0 edges
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: ========================================
FORMULA TCPcondis-PT-15-LTLCardinality-13 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 9 will run for 510 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G ((2 <= FINACK)))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: rewrite Frontend/Parser/formula_rewrite.k:631
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: processed formula: A (G ((2 <= FINACK)))
lola: processed formula length: 21
lola: 22 rewrites
lola: closed formula file TCPcondis-PT-15-LTLCardinality.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: rewrite Frontend/Parser/formula_rewrite.k:631
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: formula 0: (FINACK <= 1)
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: 0 markings, 0 edges
lola: ========================================
FORMULA TCPcondis-PT-15-LTLCardinality-4 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 10 will run for 595 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (F ((1 <= LASTACK)))
lola: ========================================
lola: SUBTASK
lola: checking eventual occurrence
lola: rewrite Frontend/Parser/formula_rewrite.k:659
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: processed formula: (LASTACK <= 0)
lola: processed formula length: 14
lola: 22 rewrites
lola: closed formula file TCPcondis-PT-15-LTLCardinality.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space / EG)
lola: state space: using search routine for EG formula (--search=depth)
lola: state space: using EG preserving stubborn set method (--stubborn=tarjan)
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: state space / EG
lola: The predicate does not eventually occur.
lola: 60 markings, 60 edges
lola: ========================================
FORMULA TCPcondis-PT-15-LTLCardinality-7 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 11 will run for 714 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (F ((2 <= xLASTACK)))
lola: ========================================
lola: SUBTASK
lola: checking eventual occurrence
lola: rewrite Frontend/Parser/formula_rewrite.k:659
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: processed formula: (xLASTACK <= 1)
lola: processed formula length: 15
lola: 22 rewrites
lola: closed formula file TCPcondis-PT-15-LTLCardinality.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space / EG)
lola: state space: using search routine for EG formula (--search=depth)
lola: state space: using EG preserving stubborn set method (--stubborn=tarjan)
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: state space / EG
lola: The predicate does not eventually occur.
lola: 60 markings, 60 edges
lola: ========================================
FORMULA TCPcondis-PT-15-LTLCardinality-2 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 12 will run for 892 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G (F ((3 <= SYNSENT))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: processed formula: A (G (F ((3 <= SYNSENT))))
lola: processed formula length: 26
lola: 20 rewrites
lola: closed formula file TCPcondis-PT-15-LTLCardinality.task
lola: the resulting Büchi automaton has 2 states
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
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: 39 markings, 41 edges
lola: ========================================
FORMULA TCPcondis-PT-15-LTLCardinality-8 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 13 will run for 1190 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G (F ((xSYNSENT <= xSYNACK))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: processed formula: A (G (F ((xSYNSENT <= xSYNACK))))
lola: processed formula length: 33
lola: 20 rewrites
lola: closed formula file TCPcondis-PT-15-LTLCardinality.task
lola: the resulting Büchi automaton has 2 states
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
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: 1153 markings, 1845 edges
lola: ========================================
FORMULA TCPcondis-PT-15-LTLCardinality-14 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 14 will run for 1785 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G (F ((xESTAB <= xCLOSED))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: processed formula: A (G (F ((xESTAB <= xCLOSED))))
lola: processed formula length: 31
lola: 20 rewrites
lola: closed formula file TCPcondis-PT-15-LTLCardinality.task
lola: the resulting Büchi automaton has 2 states
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
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: 192844 markings, 349787 edges
lola: ========================================
FORMULA TCPcondis-PT-15-LTLCardinality-12 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 15 will run for 3569 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (F (G ((F ((1 <= ESTAB)) AND ((xSYNRCVD <= xFIN) OR (1 <= ESTAB))))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: processed formula: A (F (G ((F ((1 <= ESTAB)) AND ((xSYNRCVD <= xFIN) OR (1 <= ESTAB))))))
lola: processed formula length: 71
lola: 20 rewrites
lola: closed formula file TCPcondis-PT-15-LTLCardinality.task
lola: the resulting Büchi automaton has 3 states
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: using ltl preserving stubborn set method (--stubborn)
lola: SEARCH
lola: RUNNING
lola: 1586650 markings, 4403852 edges, 317330 markings/sec, 0 secs
lola: 3276827 markings, 9216760 edges, 338035 markings/sec, 5 secs
lola: 5018383 markings, 14046977 edges, 348311 markings/sec, 10 secs
lola: 6605267 markings, 18663811 edges, 317377 markings/sec, 15 secs
lola: 8201826 markings, 23279006 edges, 319312 markings/sec, 20 secs
lola: 9837462 markings, 27994352 edges, 327127 markings/sec, 25 secs
lola: 11488699 markings, 32722579 edges, 330247 markings/sec, 30 secs
lola: 13037792 markings, 37266082 edges, 309819 markings/sec, 35 secs
lola: 14516722 markings, 41749693 edges, 295786 markings/sec, 40 secs
lola: 16010132 markings, 46249356 edges, 298682 markings/sec, 45 secs
lola: 17542753 markings, 50735115 edges, 306524 markings/sec, 50 secs
lola: 18964373 markings, 55055385 edges, 284324 markings/sec, 55 secs
lola: 20355183 markings, 59332540 edges, 278162 markings/sec, 60 secs
lola: 21715733 markings, 63598688 edges, 272110 markings/sec, 65 secs
lola: 23185958 markings, 68022387 edges, 294045 markings/sec, 70 secs
lola: 24597753 markings, 72314420 edges, 282359 markings/sec, 75 secs
lola: 26057573 markings, 76809641 edges, 291964 markings/sec, 80 secs
lola: 27332698 markings, 80782507 edges, 255025 markings/sec, 85 secs
lola: 28595083 markings, 84501354 edges, 252477 markings/sec, 90 secs
lola: 29799664 markings, 88284748 edges, 240916 markings/sec, 95 secs
lola: 30986678 markings, 91784073 edges, 237403 markings/sec, 100 secs
lola: 32207914 markings, 95519997 edges, 244247 markings/sec, 105 secs
lola: 33399276 markings, 99086063 edges, 238272 markings/sec, 110 secs
lola: 34653234 markings, 102828962 edges, 250792 markings/sec, 115 secs
lola: 35680728 markings, 105953284 edges, 205499 markings/sec, 120 secs
lola: 36949350 markings, 109683686 edges, 253724 markings/sec, 125 secs
lola: 38139391 markings, 113239670 edges, 238008 markings/sec, 130 secs
lola: 39403847 markings, 116923976 edges, 252891 markings/sec, 135 secs
lola: 40616635 markings, 120496645 edges, 242558 markings/sec, 140 secs
lola: 41903958 markings, 124202753 edges, 257465 markings/sec, 145 secs
lola: 43180772 markings, 127867435 edges, 255363 markings/sec, 150 secs
lola: 44483008 markings, 131547621 edges, 260447 markings/sec, 155 secs
lola: 45820904 markings, 135246167 edges, 267579 markings/sec, 160 secs
lola: 47107640 markings, 139190881 edges, 257347 markings/sec, 165 secs
lola: 48186696 markings, 142763662 edges, 215811 markings/sec, 170 secs
lola: 49302650 markings, 146415226 edges, 223191 markings/sec, 175 secs
lola: 50411225 markings, 150000340 edges, 221715 markings/sec, 180 secs
lola: 51532047 markings, 153581096 edges, 224164 markings/sec, 185 secs
lola: 52670424 markings, 157151229 edges, 227675 markings/sec, 190 secs
lola: 53815140 markings, 160692151 edges, 228943 markings/sec, 195 secs
lola: 54982661 markings, 164228634 edges, 233504 markings/sec, 200 secs
lola: 56322688 markings, 168152908 edges, 268005 markings/sec, 205 secs
lola: 57660854 markings, 172179502 edges, 267633 markings/sec, 210 secs
lola: 59018669 markings, 176330012 edges, 271563 markings/sec, 215 secs
lola: 60228811 markings, 180095148 edges, 242028 markings/sec, 220 secs
lola: 61407661 markings, 183764696 edges, 235770 markings/sec, 225 secs
lola: 62541078 markings, 187198055 edges, 226683 markings/sec, 230 secs
lola: 63660835 markings, 190641414 edges, 223951 markings/sec, 235 secs
lola: 64734429 markings, 193956105 edges, 214719 markings/sec, 240 secs
lola: 65892330 markings, 197409160 edges, 231580 markings/sec, 245 secs
lola: 66934991 markings, 200612987 edges, 208532 markings/sec, 250 secs
lola: 68011911 markings, 203826713 edges, 215384 markings/sec, 255 secs
lola: 69173633 markings, 207322771 edges, 232344 markings/sec, 260 secs
lola: 70263856 markings, 210627573 edges, 218045 markings/sec, 265 secs
lola: 71377324 markings, 213920231 edges, 222694 markings/sec, 270 secs
lola: 72494720 markings, 217261085 edges, 223479 markings/sec, 275 secs
lola: 73673933 markings, 220719085 edges, 235843 markings/sec, 280 secs
lola: 74837013 markings, 224115706 edges, 232616 markings/sec, 285 secs
lola: 76001223 markings, 227501294 edges, 232842 markings/sec, 290 secs
lola: 77193272 markings, 230916523 edges, 238410 markings/sec, 295 secs
lola: 78450235 markings, 234422142 edges, 251393 markings/sec, 300 secs
lola: 79572707 markings, 238128432 edges, 224494 markings/sec, 305 secs
lola: 80662708 markings, 241851724 edges, 218000 markings/sec, 310 secs
lola: 81691930 markings, 245284931 edges, 205844 markings/sec, 315 secs
lola: 82712382 markings, 248649174 edges, 204090 markings/sec, 320 secs
lola: 83720533 markings, 251930622 edges, 201630 markings/sec, 325 secs
lola: 84711133 markings, 255123580 edges, 198120 markings/sec, 330 secs
lola: 85726450 markings, 258362821 edges, 203063 markings/sec, 335 secs
lola: 86756038 markings, 261598365 edges, 205918 markings/sec, 340 secs
lola: 87789027 markings, 264797283 edges, 206598 markings/sec, 345 secs
lola: 88949669 markings, 268270264 edges, 232128 markings/sec, 350 secs
lola: 90303394 markings, 272284758 edges, 270745 markings/sec, 355 secs
lola: 91562598 markings, 276006569 edges, 251841 markings/sec, 360 secs
lola: 92854836 markings, 279756773 edges, 258448 markings/sec, 365 secs
lola: 94058679 markings, 283232077 edges, 240769 markings/sec, 370 secs
lola: 95363725 markings, 286928703 edges, 261009 markings/sec, 375 secs
lola: 96663841 markings, 290547615 edges, 260023 markings/sec, 380 secs
lola: 97759532 markings, 294168322 edges, 219138 markings/sec, 385 secs
lola: 98807238 markings, 297584087 edges, 209541 markings/sec, 390 secs
lola: 99825348 markings, 300868317 edges, 203622 markings/sec, 395 secs
lola: 100868845 markings, 304176705 edges, 208699 markings/sec, 400 secs
lola: 101882334 markings, 307323046 edges, 202698 markings/sec, 405 secs
lola: 103052305 markings, 311135304 edges, 233994 markings/sec, 410 secs
lola: 104184946 markings, 314806015 edges, 226528 markings/sec, 415 secs
lola: 105332092 markings, 318361566 edges, 229429 markings/sec, 420 secs
lola: 106624892 markings, 322238030 edges, 258560 markings/sec, 425 secs
lola: 107743039 markings, 325830863 edges, 223629 markings/sec, 430 secs
lola: 108685681 markings, 329137763 edges, 188528 markings/sec, 435 secs
lola: 109544966 markings, 332193135 edges, 171857 markings/sec, 440 secs
lola: 110788836 markings, 335648108 edges, 248774 markings/sec, 445 secs
lola: 110930002 markings, 336050345 edges, 28233 markings/sec, 450 secs
lola: 110934126 markings, 336062723 edges, 825 markings/sec, 455 secs
lola: 110936822 markings, 336070697 edges, 539 markings/sec, 460 secs
lola: 110951384 markings, 336113528 edges, 2912 markings/sec, 465 secs
lola: 110961198 markings, 336141931 edges, 1963 markings/sec, 470 secs
lola: 110964494 markings, 336150269 edges, 659 markings/sec, 475 secs
lola: 110977525 markings, 336184409 edges, 2606 markings/sec, 480 secs
lola: 110980268 markings, 336191443 edges, 549 markings/sec, 485 secs
lola: 110985214 markings, 336204542 edges, 989 markings/sec, 490 secs
lola: 110985259 markings, 336204689 edges, 9 markings/sec, 495 secs
lola: 110990483 markings, 336218677 edges, 1045 markings/sec, 500 secs
lola: 110999658 markings, 336241677 edges, 1835 markings/sec, 505 secs
lola: 111013844 markings, 336278504 edges, 2837 markings/sec, 510 secs
lola: 111017721 markings, 336290306 edges, 775 markings/sec, 515 secs
lola: Child process aborted or communication problem between parent and child process
lola: ========================================
lola: ...considering subproblem: A (F (G ((F ((1 <= ESTAB)) AND ((xSYNRCVD <= xFIN) OR (1 <= ESTAB))))))
lola: ========================================
lola: SUBTASK
lola: checking LTL
lola: transforming LTL-Formula into a Büchi-Automaton
lola: processed formula: A (F (G ((F ((1 <= ESTAB)) AND ((xSYNRCVD <= xFIN) OR (1 <= ESTAB))))))
lola: processed formula length: 71
lola: 20 rewrites
lola: closed formula file TCPcondis-PT-15-LTLCardinality.task
lola: the resulting Büchi automaton has 3 states
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: using ltl preserving stubborn set method (--stubborn)
lola: SEARCH
lola: RUNNING
lola: 1709849 markings, 4741450 edges, 341970 markings/sec, 0 secs
lola: 3382561 markings, 9514924 edges, 334542 markings/sec, 5 secs
lola: 5106843 markings, 14302611 edges, 344856 markings/sec, 10 secs
lola: 6681450 markings, 18890242 edges, 314921 markings/sec, 15 secs
lola: 8265363 markings, 23454721 edges, 316783 markings/sec, 20 secs
lola: 9902246 markings, 28164823 edges, 327377 markings/sec, 25 secs
lola: 11530380 markings, 32854827 edges, 325627 markings/sec, 30 secs
lola: 13078775 markings, 37395781 edges, 309679 markings/sec, 35 secs
lola: 14551453 markings, 41852785 edges, 294536 markings/sec, 40 secs
lola: 16038390 markings, 46344160 edges, 297387 markings/sec, 45 secs
lola: 17572837 markings, 50819941 edges, 306889 markings/sec, 50 secs
lola: 18994298 markings, 55138205 edges, 284292 markings/sec, 55 secs
lola: 20380903 markings, 59403222 edges, 277321 markings/sec, 60 secs
lola: 21735142 markings, 63655372 edges, 270848 markings/sec, 65 secs
lola: 23204177 markings, 68084557 edges, 293807 markings/sec, 70 secs
lola: 24618138 markings, 72369230 edges, 282792 markings/sec, 75 secs
lola: 26071382 markings, 76849727 edges, 290649 markings/sec, 80 secs
lola: 27334667 markings, 80788206 edges, 252657 markings/sec, 85 secs
lola: 28666711 markings, 84737148 edges, 266409 markings/sec, 90 secs
lola: 29858059 markings, 88464561 edges, 238270 markings/sec, 95 secs
lola: 31137038 markings, 92228680 edges, 255796 markings/sec, 100 secs
lola: 32333283 markings, 95921920 edges, 239249 markings/sec, 105 secs
lola: 33546080 markings, 99519114 edges, 242559 markings/sec, 110 secs
lola: 34774279 markings, 103197933 edges, 245640 markings/sec, 115 secs
lola: 35921175 markings, 106675862 edges, 229379 markings/sec, 120 secs
lola: 37188265 markings, 110391451 edges, 253418 markings/sec, 125 secs
lola: 38358440 markings, 113892887 edges, 234035 markings/sec, 130 secs
lola: 39623391 markings, 117570178 edges, 252990 markings/sec, 135 secs
lola: 40825523 markings, 121103904 edges, 240426 markings/sec, 140 secs
lola: 42109396 markings, 124787601 edges, 256775 markings/sec, 145 secs
lola: 43390776 markings, 128465069 edges, 256276 markings/sec, 150 secs
lola: 44686664 markings, 132120685 edges, 259178 markings/sec, 155 secs
lola: 46043790 markings, 135847297 edges, 271425 markings/sec, 160 secs
lola: 47322074 markings, 139891806 edges, 255657 markings/sec, 165 secs
lola: 48457218 markings, 143672499 edges, 227029 markings/sec, 170 secs
lola: 49580340 markings, 147332760 edges, 224624 markings/sec, 175 secs
lola: 50689854 markings, 150895727 edges, 221903 markings/sec, 180 secs
lola: 51794233 markings, 154404405 edges, 220876 markings/sec, 185 secs
lola: 52920852 markings, 157944981 edges, 225324 markings/sec, 190 secs
lola: 54066046 markings, 161479675 edges, 229039 markings/sec, 195 secs
lola: 55286226 markings, 165103093 edges, 244036 markings/sec, 200 secs
lola: 56649474 markings, 169154156 edges, 272650 markings/sec, 205 secs
lola: 58039160 markings, 173293676 edges, 277937 markings/sec, 210 secs
lola: 59318872 markings, 177310052 edges, 255942 markings/sec, 215 secs
lola: 60563540 markings, 181079527 edges, 248934 markings/sec, 220 secs
lola: 61699269 markings, 184678368 edges, 227146 markings/sec, 225 secs
lola: 62914409 markings, 188298822 edges, 243028 markings/sec, 230 secs
lola: 64042777 markings, 191838494 edges, 225674 markings/sec, 235 secs
lola: 65161294 markings, 195199946 edges, 223703 markings/sec, 240 secs
lola: 66330876 markings, 198746951 edges, 233916 markings/sec, 245 secs
lola: 67418230 markings, 202075887 edges, 217471 markings/sec, 250 secs
lola: 68599698 markings, 205600924 edges, 236294 markings/sec, 255 secs
lola: 69710371 markings, 208951449 edges, 222135 markings/sec, 260 secs
lola: 70855210 markings, 212355028 edges, 228968 markings/sec, 265 secs
lola: 71992186 markings, 215751792 edges, 227395 markings/sec, 270 secs
lola: 73145835 markings, 219157343 edges, 230730 markings/sec, 275 secs
lola: 74283260 markings, 222512086 edges, 227485 markings/sec, 280 secs
lola: 75466432 markings, 225956269 edges, 236634 markings/sec, 285 secs
lola: 76656221 markings, 229383656 edges, 237958 markings/sec, 290 secs
lola: 77856372 markings, 232782405 edges, 240030 markings/sec, 295 secs
lola: 79082446 markings, 236500543 edges, 245215 markings/sec, 300 secs
lola: 80184106 markings, 240231734 edges, 220332 markings/sec, 305 secs
lola: 81247052 markings, 243790347 edges, 212589 markings/sec, 310 secs
lola: 82269272 markings, 247175711 edges, 204444 markings/sec, 315 secs
lola: 83266099 markings, 250455607 edges, 199365 markings/sec, 320 secs
lola: 84298241 markings, 253795330 edges, 206428 markings/sec, 325 secs
lola: 85316341 markings, 257041445 edges, 203620 markings/sec, 330 secs
lola: 86330711 markings, 260263339 edges, 202874 markings/sec, 335 secs
lola: 87367784 markings, 263489530 edges, 207415 markings/sec, 340 secs
lola: 88426696 markings, 266710941 edges, 211782 markings/sec, 345 secs
lola: 89778206 markings, 270755925 edges, 270302 markings/sec, 350 secs
lola: 91131146 markings, 274714589 edges, 270588 markings/sec, 355 secs
lola: 92437324 markings, 278551742 edges, 261236 markings/sec, 360 secs
lola: 93729371 markings, 282262213 edges, 258409 markings/sec, 365 secs
lola: 94982323 markings, 285863042 edges, 250590 markings/sec, 370 secs
lola: 96303045 markings, 289546875 edges, 264144 markings/sec, 375 secs
lola: 97470084 markings, 293219923 edges, 233408 markings/sec, 380 secs
lola: 98534969 markings, 296704170 edges, 212977 markings/sec, 385 secs
lola: 99571962 markings, 300052627 edges, 207399 markings/sec, 390 secs
lola: 100591575 markings, 303306188 edges, 203923 markings/sec, 395 secs
lola: 101649024 markings, 306601831 edges, 211490 markings/sec, 400 secs
lola: 102799428 markings, 310315348 edges, 230081 markings/sec, 405 secs
lola: 103936103 markings, 314023648 edges, 227335 markings/sec, 410 secs
lola: 105076034 markings, 317591324 edges, 227986 markings/sec, 415 secs
lola: 106372589 markings, 321453413 edges, 259311 markings/sec, 420 secs
lola: 107547202 markings, 325168741 edges, 234923 markings/sec, 425 secs
lola: 108520781 markings, 328556293 edges, 194716 markings/sec, 430 secs
lola: 109390606 markings, 331654731 edges, 173965 markings/sec, 435 secs
lola: 110570892 markings, 335052991 edges, 236057 markings/sec, 440 secs
lola: 110934359 markings, 336063437 edges, 72693 markings/sec, 445 secs
lola: 110936862 markings, 336070816 edges, 501 markings/sec, 450 secs
lola: 110938026 markings, 336074450 edges, 233 markings/sec, 455 secs
lola: 110942137 markings, 336086969 edges, 822 markings/sec, 460 secs
lola: 110959320 markings, 336137398 edges, 3437 markings/sec, 465 secs
lola: 110979204 markings, 336188668 edges, 3977 markings/sec, 470 secs
lola: 110979292 markings, 336188919 edges, 18 markings/sec, 475 secs
lola: 110987907 markings, 336211671 edges, 1723 markings/sec, 480 secs
lola: 110993894 markings, 336227180 edges, 1197 markings/sec, 485 secs
lola: 111014005 markings, 336278913 edges, 4022 markings/sec, 490 secs
lola: 111015740 markings, 336283844 edges, 347 markings/sec, 495 secs
lola: Child process aborted or communication problem between parent and child process
FORMULA TCPcondis-PT-15-LTLCardinality-1 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: RESULT
lola:
SUMMARY: no unknown no yes no yes no no no yes no no no no no yes
lola:
preliminary result: no unknown no yes no yes no no no yes no no no no no yes
lola: memory consumption: 16156 KB
lola: time consumption: 1030 seconds
BK_STOP 1528198918798
--------------------
content from 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="TCPcondis-PT-15"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="lola"
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/TCPcondis-PT-15.tgz
mv TCPcondis-PT-15 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 lola"
echo " Input is TCPcondis-PT-15, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r208-smll-152732258100673"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 ;