Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r165-tall-167838850400442.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
............................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is FlexibleBarrier-PT-04a, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r165-tall-167838850400442
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 6.7K Feb 25 12:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Feb 25 12:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Feb 25 12:28 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Feb 25 12:28 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 12:30 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 116K Feb 25 12:30 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Feb 25 12:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Feb 25 12:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:06 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 23K Mar 5 18:22 model.pnml

--------------------
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 FlexibleBarrier-PT-04a-CTLFireability-00
FORMULA_NAME FlexibleBarrier-PT-04a-CTLFireability-01
FORMULA_NAME FlexibleBarrier-PT-04a-CTLFireability-02
FORMULA_NAME FlexibleBarrier-PT-04a-CTLFireability-03
FORMULA_NAME FlexibleBarrier-PT-04a-CTLFireability-04
FORMULA_NAME FlexibleBarrier-PT-04a-CTLFireability-05
FORMULA_NAME FlexibleBarrier-PT-04a-CTLFireability-06
FORMULA_NAME FlexibleBarrier-PT-04a-CTLFireability-07
FORMULA_NAME FlexibleBarrier-PT-04a-CTLFireability-08
FORMULA_NAME FlexibleBarrier-PT-04a-CTLFireability-09
FORMULA_NAME FlexibleBarrier-PT-04a-CTLFireability-10
FORMULA_NAME FlexibleBarrier-PT-04a-CTLFireability-11
FORMULA_NAME FlexibleBarrier-PT-04a-CTLFireability-12
FORMULA_NAME FlexibleBarrier-PT-04a-CTLFireability-13
FORMULA_NAME FlexibleBarrier-PT-04a-CTLFireability-14
FORMULA_NAME FlexibleBarrier-PT-04a-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1679497434820

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-04a
Not applying reductions.
Model is PT
CTLFireability PT
Running Version 202303021504
[2023-03-22 15:03:56] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-22 15:03:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 15:03:56] [INFO ] Load time of PNML (sax parser for PT used): 32 ms
[2023-03-22 15:03:56] [INFO ] Transformed 51 places.
[2023-03-22 15:03:56] [INFO ] Transformed 88 transitions.
[2023-03-22 15:03:56] [INFO ] Found NUPN structural information;
[2023-03-22 15:03:56] [INFO ] Parsed PT model containing 51 places and 88 transitions and 309 arcs in 90 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 8 ms.
Initial state reduction rules removed 2 formulas.
Ensure Unique test removed 10 transitions
Reduce redundant transitions removed 10 transitions.
FORMULA FlexibleBarrier-PT-04a-CTLFireability-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-04a-CTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 43 out of 51 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 78/78 transitions.
Drop transitions removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 51 transition count 74
Applied a total of 4 rules in 11 ms. Remains 51 /51 variables (removed 0) and now considering 74/78 (removed 4) transitions.
// Phase 1: matrix 74 rows 51 cols
[2023-03-22 15:03:56] [INFO ] Computed 6 place invariants in 14 ms
[2023-03-22 15:03:56] [INFO ] Implicit Places using invariants in 175 ms returned []
[2023-03-22 15:03:56] [INFO ] Invariant cache hit.
[2023-03-22 15:03:56] [INFO ] State equation strengthened by 33 read => feed constraints.
[2023-03-22 15:03:56] [INFO ] Implicit Places using invariants and state equation in 80 ms returned []
Implicit Place search using SMT with State Equation took 279 ms to find 0 implicit places.
[2023-03-22 15:03:56] [INFO ] Invariant cache hit.
[2023-03-22 15:03:56] [INFO ] Dead Transitions using invariants and state equation in 60 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 51/51 places, 74/78 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 353 ms. Remains : 51/51 places, 74/78 transitions.
Support contains 43 out of 51 places after structural reductions.
[2023-03-22 15:03:57] [INFO ] Flatten gal took : 21 ms
[2023-03-22 15:03:57] [INFO ] Flatten gal took : 8 ms
[2023-03-22 15:03:57] [INFO ] Input system was already deterministic with 74 transitions.
Support contains 42 out of 51 places (down from 43) after GAL structural reductions.
Finished random walk after 1140 steps, including 0 resets, run visited all 54 properties in 52 ms. (steps per millisecond=21 )
[2023-03-22 15:03:57] [INFO ] Flatten gal took : 5 ms
[2023-03-22 15:03:57] [INFO ] Flatten gal took : 6 ms
[2023-03-22 15:03:57] [INFO ] Input system was already deterministic with 74 transitions.
Computed a total of 3 stabilizing places and 1 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 74/74 (removed 0) transitions.
[2023-03-22 15:03:57] [INFO ] Invariant cache hit.
[2023-03-22 15:03:57] [INFO ] Implicit Places using invariants in 38 ms returned []
[2023-03-22 15:03:57] [INFO ] Invariant cache hit.
[2023-03-22 15:03:57] [INFO ] State equation strengthened by 33 read => feed constraints.
[2023-03-22 15:03:57] [INFO ] Implicit Places using invariants and state equation in 73 ms returned []
Implicit Place search using SMT with State Equation took 113 ms to find 0 implicit places.
[2023-03-22 15:03:57] [INFO ] Invariant cache hit.
[2023-03-22 15:03:57] [INFO ] Dead Transitions using invariants and state equation in 48 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 164 ms. Remains : 51/51 places, 74/74 transitions.
[2023-03-22 15:03:57] [INFO ] Flatten gal took : 7 ms
[2023-03-22 15:03:57] [INFO ] Flatten gal took : 3 ms
[2023-03-22 15:03:57] [INFO ] Input system was already deterministic with 74 transitions.
[2023-03-22 15:03:57] [INFO ] Flatten gal took : 4 ms
[2023-03-22 15:03:57] [INFO ] Flatten gal took : 3 ms
[2023-03-22 15:03:57] [INFO ] Time to serialize gal into /tmp/CTLFireability12713154344976744326.gal : 1 ms
[2023-03-22 15:03:57] [INFO ] Time to serialize properties into /tmp/CTLFireability10787827396080185904.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability12713154344976744326.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability10787827396080185904.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,20737,0.025179,3720,2,152,5,1985,6,0,276,1530,0


Converting to forward existential form...Done !
original formula: (AG(((p9==1)&&(p50==1))) + E(((A((((((p21==1)&&(p50==1))||((p47==1)&&(p49==1)))||(!(((p23==1)&&(p36==1))&&(p49==1)))) * AG((p48==1))) U E...526
=> equivalent forward existential formula: [(FwdU((Init * !(E(((!((E(!(E((p32!=1) U !(E(TRUE U !(((p33==1)&&(p50==1))))))) U (!((((((p21==1)&&(p50==1))||((...835
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Using saturation style SCC detection
Using saturation style SCC detection
(forward)formula 0,0,0.078314,6180,1,0,31,14887,78,16,1558,9266,44
FORMULA FlexibleBarrier-PT-04a-CTLFireability-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Applied a total of 0 rules in 2 ms. Remains 51 /51 variables (removed 0) and now considering 74/74 (removed 0) transitions.
[2023-03-22 15:03:57] [INFO ] Invariant cache hit.
[2023-03-22 15:03:57] [INFO ] Implicit Places using invariants in 50 ms returned []
[2023-03-22 15:03:57] [INFO ] Invariant cache hit.
[2023-03-22 15:03:57] [INFO ] State equation strengthened by 33 read => feed constraints.
[2023-03-22 15:03:57] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 120 ms to find 0 implicit places.
[2023-03-22 15:03:57] [INFO ] Invariant cache hit.
[2023-03-22 15:03:57] [INFO ] Dead Transitions using invariants and state equation in 57 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 180 ms. Remains : 51/51 places, 74/74 transitions.
[2023-03-22 15:03:57] [INFO ] Flatten gal took : 3 ms
[2023-03-22 15:03:57] [INFO ] Flatten gal took : 4 ms
[2023-03-22 15:03:57] [INFO ] Input system was already deterministic with 74 transitions.
[2023-03-22 15:03:57] [INFO ] Flatten gal took : 3 ms
[2023-03-22 15:03:57] [INFO ] Flatten gal took : 3 ms
[2023-03-22 15:03:57] [INFO ] Time to serialize gal into /tmp/CTLFireability4531942901019527881.gal : 1 ms
[2023-03-22 15:03:57] [INFO ] Time to serialize properties into /tmp/CTLFireability16962970718792677116.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability4531942901019527881.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability16962970718792677116.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,20737,0.014414,3836,2,152,5,1985,6,0,276,1530,0


Converting to forward existential form...Done !
original formula: E((!(AG((p36==1))) * ((p3==1) + A(AG((p17!=1)) U (p36==1)))) U !(EF((A(!(((p45==1)&&(p50==1))) U (((p29==1)&&(p50==1))&&(p37==1))) * AG(A...195
=> equivalent forward existential formula: [(FwdU(Init,(!(!(E(TRUE U !((p36==1))))) * ((p3==1) + !((E(!((p36==1)) U (!(!(E(TRUE U !((p17!=1))))) * !((p36==...427
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 65/0/9
(forward)formula 0,1,0.037865,4944,1,0,13,6700,38,8,1413,3398,23
FORMULA FlexibleBarrier-PT-04a-CTLFireability-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Applied a total of 0 rules in 2 ms. Remains 51 /51 variables (removed 0) and now considering 74/74 (removed 0) transitions.
[2023-03-22 15:03:57] [INFO ] Invariant cache hit.
[2023-03-22 15:03:57] [INFO ] Implicit Places using invariants in 38 ms returned [49]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 40 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 50/51 places, 74/74 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 74/74 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43 ms. Remains : 50/51 places, 74/74 transitions.
[2023-03-22 15:03:57] [INFO ] Flatten gal took : 3 ms
[2023-03-22 15:03:57] [INFO ] Flatten gal took : 3 ms
[2023-03-22 15:03:57] [INFO ] Input system was already deterministic with 74 transitions.
[2023-03-22 15:03:57] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:57] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:57] [INFO ] Time to serialize gal into /tmp/CTLFireability5921126988506666676.gal : 1 ms
[2023-03-22 15:03:57] [INFO ] Time to serialize properties into /tmp/CTLFireability7085645206975424000.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability5921126988506666676.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability7085645206975424000.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,20737,0.012387,3800,2,141,5,1663,6,0,274,1228,0


Converting to forward existential form...Done !
original formula: (AG(AX((p22==1))) + EF(((p2==1)&&(p50==1))))
=> equivalent forward existential formula: [(EY(FwdU((Init * !(E(TRUE U ((p2==1)&&(p50==1))))),TRUE)) * !((p22==1)))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.026869,4380,1,0,8,5693,16,1,1219,2025,6
FORMULA FlexibleBarrier-PT-04a-CTLFireability-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in SI_CTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Graph (trivial) has 34 edges and 51 vertex of which 6 / 51 are part of one of the 2 SCC in 6 ms
Free SCC test removed 4 places
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 7 place count 44 transition count 66
Drop transitions removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 44 transition count 59
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 14 place count 44 transition count 58
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 16 place count 43 transition count 58
Applied a total of 16 rules in 28 ms. Remains 43 /51 variables (removed 8) and now considering 58/74 (removed 16) transitions.
[2023-03-22 15:03:57] [INFO ] Flow matrix only has 57 transitions (discarded 1 similar events)
// Phase 1: matrix 57 rows 43 cols
[2023-03-22 15:03:57] [INFO ] Computed 6 place invariants in 1 ms
[2023-03-22 15:03:57] [INFO ] Implicit Places using invariants in 34 ms returned [42]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 34 ms to find 1 implicit places.
Starting structural reductions in SI_CTL mode, iteration 1 : 42/51 places, 58/74 transitions.
Graph (trivial) has 45 edges and 42 vertex of which 14 / 42 are part of one of the 4 SCC in 1 ms
Free SCC test removed 10 places
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Drop transitions removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 32 transition count 39
Reduce places removed 5 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 6 rules applied. Total rules applied 12 place count 27 transition count 38
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 13 place count 26 transition count 38
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 13 place count 26 transition count 34
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 21 place count 22 transition count 34
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 23 place count 22 transition count 32
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 25 place count 21 transition count 31
Applied a total of 25 rules in 5 ms. Remains 21 /42 variables (removed 21) and now considering 31/58 (removed 27) transitions.
[2023-03-22 15:03:57] [INFO ] Flow matrix only has 28 transitions (discarded 3 similar events)
// Phase 1: matrix 28 rows 21 cols
[2023-03-22 15:03:57] [INFO ] Computed 5 place invariants in 0 ms
[2023-03-22 15:03:57] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-22 15:03:57] [INFO ] Flow matrix only has 28 transitions (discarded 3 similar events)
[2023-03-22 15:03:57] [INFO ] Invariant cache hit.
[2023-03-22 15:03:58] [INFO ] State equation strengthened by 6 read => feed constraints.
[2023-03-22 15:03:58] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
Starting structural reductions in SI_CTL mode, iteration 2 : 21/51 places, 31/74 transitions.
Finished structural reductions in SI_CTL mode , in 2 iterations and 127 ms. Remains : 21/51 places, 31/74 transitions.
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 1 ms
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:58] [INFO ] Input system was already deterministic with 31 transitions.
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 1 ms
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 1 ms
[2023-03-22 15:03:58] [INFO ] Time to serialize gal into /tmp/CTLFireability13848742802270347763.gal : 1 ms
[2023-03-22 15:03:58] [INFO ] Time to serialize properties into /tmp/CTLFireability7456662987719956812.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability13848742802270347763.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability7456662987719956812.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,295,0.004376,3472,2,54,5,295,6,0,111,201,0


Converting to forward existential form...Done !
original formula: AG((AG((((p36==1)&&(p47==1))&&(p49==1))) + (p17==0)))
=> equivalent forward existential formula: [(FwdU((FwdU(Init,TRUE) * !((p17==0))),TRUE) * !((((p36==1)&&(p47==1))&&(p49==1))))] = FALSE
(forward)formula 0,0,0.005763,3788,1,0,12,295,12,4,208,253,4
FORMULA FlexibleBarrier-PT-04a-CTLFireability-04 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 74/74 (removed 0) transitions.
// Phase 1: matrix 74 rows 51 cols
[2023-03-22 15:03:58] [INFO ] Computed 6 place invariants in 4 ms
[2023-03-22 15:03:58] [INFO ] Implicit Places using invariants in 31 ms returned []
[2023-03-22 15:03:58] [INFO ] Invariant cache hit.
[2023-03-22 15:03:58] [INFO ] State equation strengthened by 33 read => feed constraints.
[2023-03-22 15:03:58] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
[2023-03-22 15:03:58] [INFO ] Invariant cache hit.
[2023-03-22 15:03:58] [INFO ] Dead Transitions using invariants and state equation in 43 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 120 ms. Remains : 51/51 places, 74/74 transitions.
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 4 ms
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 3 ms
[2023-03-22 15:03:58] [INFO ] Input system was already deterministic with 74 transitions.
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 3 ms
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 3 ms
[2023-03-22 15:03:58] [INFO ] Time to serialize gal into /tmp/CTLFireability7781061070397061678.gal : 1 ms
[2023-03-22 15:03:58] [INFO ] Time to serialize properties into /tmp/CTLFireability17618061246930901737.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability7781061070397061678.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability17618061246930901737.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,20737,0.014812,3836,2,152,5,1985,6,0,276,1530,0


Converting to forward existential form...Done !
original formula: E(((AF((((p17==1) * AF(((p26==1)&&(p50==1)))) + E((p48==1) U (p35==1)))) * !(A(A(EF(((p30==1)&&(p49==1))) U AX(((p33==1)&&(p50==1)))) U A...355
=> equivalent forward existential formula: [(FwdU(Init,((!(EG(!((((p17==1) * !(EG(!(((p26==1)&&(p50==1)))))) + E((p48==1) U (p35==1)))))) * !(!((E(!(!(E(TR...750
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.031723,4416,1,0,9,4488,24,1,1345,1848,12
FORMULA FlexibleBarrier-PT-04a-CTLFireability-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in SI_CTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Graph (trivial) has 31 edges and 51 vertex of which 6 / 51 are part of one of the 2 SCC in 1 ms
Free SCC test removed 4 places
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 9 place count 43 transition count 65
Drop transitions removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 0 with 5 rules applied. Total rules applied 14 place count 43 transition count 60
Partial Post-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 0 with 3 rules applied. Total rules applied 17 place count 43 transition count 60
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 18 place count 42 transition count 59
Iterating global reduction 0 with 1 rules applied. Total rules applied 19 place count 42 transition count 59
Applied a total of 19 rules in 17 ms. Remains 42 /51 variables (removed 9) and now considering 59/74 (removed 15) transitions.
[2023-03-22 15:03:58] [INFO ] Flow matrix only has 57 transitions (discarded 2 similar events)
// Phase 1: matrix 57 rows 42 cols
[2023-03-22 15:03:58] [INFO ] Computed 6 place invariants in 2 ms
[2023-03-22 15:03:58] [INFO ] Implicit Places using invariants in 33 ms returned []
[2023-03-22 15:03:58] [INFO ] Flow matrix only has 57 transitions (discarded 2 similar events)
[2023-03-22 15:03:58] [INFO ] Invariant cache hit.
[2023-03-22 15:03:58] [INFO ] State equation strengthened by 30 read => feed constraints.
[2023-03-22 15:03:58] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
[2023-03-22 15:03:58] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-22 15:03:58] [INFO ] Flow matrix only has 57 transitions (discarded 2 similar events)
[2023-03-22 15:03:58] [INFO ] Invariant cache hit.
[2023-03-22 15:03:58] [INFO ] Dead Transitions using invariants and state equation in 43 ms found 0 transitions.
Starting structural reductions in SI_CTL mode, iteration 1 : 42/51 places, 59/74 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 156 ms. Remains : 42/51 places, 59/74 transitions.
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:58] [INFO ] Input system was already deterministic with 59 transitions.
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 1 ms
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:58] [INFO ] Time to serialize gal into /tmp/CTLFireability15276198036104008184.gal : 43 ms
[2023-03-22 15:03:58] [INFO ] Time to serialize properties into /tmp/CTLFireability5643095931119317607.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability15276198036104008184.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability5643095931119317607.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,8911,0.019141,3708,2,109,5,1323,6,0,223,1046,0


Converting to forward existential form...Done !
original formula: AF((!(A(((((p4==1)&&(p50==1)) + EF(((p19==1)&&(p50==1)))) * AG(((p16==1)&&(p50==1)))) U EG(AF(((p38==1)&&(p50==1)))))) + (((p47==1)&&(p49...173
=> equivalent forward existential formula: [FwdG(Init,!((!(!((E(!(EG(!(EG(!(((p38==1)&&(p50==1))))))) U (!(((((p4==1)&&(p50==1)) + E(TRUE U ((p19==1)&&(p50...339
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Using saturation style SCC detection
Using saturation style SCC detection
(forward)formula 0,1,0.031791,4552,1,0,12,2842,40,5,1145,1308,16
FORMULA FlexibleBarrier-PT-04a-CTLFireability-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Applied a total of 0 rules in 2 ms. Remains 51 /51 variables (removed 0) and now considering 74/74 (removed 0) transitions.
// Phase 1: matrix 74 rows 51 cols
[2023-03-22 15:03:58] [INFO ] Computed 6 place invariants in 5 ms
[2023-03-22 15:03:58] [INFO ] Implicit Places using invariants in 57 ms returned []
[2023-03-22 15:03:58] [INFO ] Invariant cache hit.
[2023-03-22 15:03:58] [INFO ] State equation strengthened by 33 read => feed constraints.
[2023-03-22 15:03:58] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 116 ms to find 0 implicit places.
[2023-03-22 15:03:58] [INFO ] Invariant cache hit.
[2023-03-22 15:03:58] [INFO ] Dead Transitions using invariants and state equation in 40 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 158 ms. Remains : 51/51 places, 74/74 transitions.
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 3 ms
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 3 ms
[2023-03-22 15:03:58] [INFO ] Input system was already deterministic with 74 transitions.
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 3 ms
[2023-03-22 15:03:58] [INFO ] Time to serialize gal into /tmp/CTLFireability10161322043842305873.gal : 1 ms
[2023-03-22 15:03:58] [INFO ] Time to serialize properties into /tmp/CTLFireability146477590098750291.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability10161322043842305873.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability146477590098750291.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,20737,0.016643,3844,2,152,5,1985,6,0,276,1530,0


Converting to forward existential form...Done !
original formula: AX(E((EF(EX((p20==1))) * ((!(((p35==1)&&(p49==1))) + EX((((p23==1)&&(p36==1))&&(p49==1)))) + !(AF(((p41==1)&&(p50==1)))))) U ((EG((((p24=...289
=> equivalent forward existential formula: [(EY(Init) * !(E((E(TRUE U EX((p20==1))) * ((!(((p35==1)&&(p49==1))) + EX((((p23==1)&&(p36==1))&&(p49==1)))) + !...360
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.041996,5216,1,0,22,7776,49,8,1380,3951,25
FORMULA FlexibleBarrier-PT-04a-CTLFireability-07 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Applied a total of 0 rules in 2 ms. Remains 51 /51 variables (removed 0) and now considering 74/74 (removed 0) transitions.
[2023-03-22 15:03:58] [INFO ] Invariant cache hit.
[2023-03-22 15:03:58] [INFO ] Implicit Places using invariants in 54 ms returned [50]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 55 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 50/51 places, 74/74 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 74/74 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 58 ms. Remains : 50/51 places, 74/74 transitions.
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 4 ms
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 3 ms
[2023-03-22 15:03:58] [INFO ] Input system was already deterministic with 74 transitions.
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 3 ms
[2023-03-22 15:03:58] [INFO ] Time to serialize gal into /tmp/CTLFireability16598344900590612066.gal : 1 ms
[2023-03-22 15:03:58] [INFO ] Time to serialize properties into /tmp/CTLFireability13001915750204410556.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability16598344900590612066.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability13001915750204410556.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,20737,0.011093,3780,2,164,5,1300,6,0,274,1016,0


Converting to forward existential form...Done !
original formula: EG(((AG(((EG(((p47==0)||(p49==0))) * EX((p11==0))) * (A(((p23==1)&&(p49==1)) U (p37==1)) + AX(((p11==1)&&(p49==1)))))) + (p48==1)) + AF(A...207
=> equivalent forward existential formula: [FwdG(Init,((!(E(TRUE U !(((EG(((p47==0)||(p49==0))) * EX((p11==0))) * (!((E(!((p37==1)) U (!(((p23==1)&&(p49==1...400
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 71/0/3
Hit Full ! (commute/partial/dont) 59/0/15
(forward)formula 0,0,0.034897,4888,1,0,14,6077,57,5,1390,3038,26
FORMULA FlexibleBarrier-PT-04a-CTLFireability-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 74/74 (removed 0) transitions.
[2023-03-22 15:03:58] [INFO ] Invariant cache hit.
[2023-03-22 15:03:58] [INFO ] Implicit Places using invariants in 32 ms returned [49]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 33 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 50/51 places, 74/74 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 74/74 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 35 ms. Remains : 50/51 places, 74/74 transitions.
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 8 ms
[2023-03-22 15:03:58] [INFO ] Input system was already deterministic with 74 transitions.
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:58] [INFO ] Time to serialize gal into /tmp/CTLFireability18012346874510796244.gal : 1 ms
[2023-03-22 15:03:58] [INFO ] Time to serialize properties into /tmp/CTLFireability12936527633263916087.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability18012346874510796244.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability12936527633263916087.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,20737,0.012402,3800,2,141,5,1663,6,0,274,1228,0


Converting to forward existential form...Done !
original formula: (EX(((p43==1)&&(p50==1))) + (E(!(((p4==1)&&(p50==1))) U !(((p16==1)&&(p50==1)))) * EF(((p38==1)&&(p50==1)))))
=> equivalent forward existential formula: ([(EY(Init) * ((p43==1)&&(p50==1)))] != FALSE + [(FwdU((Init * E(!(((p4==1)&&(p50==1))) U !(((p16==1)&&(p50==1))...199
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 53/0/21
(forward)formula 0,1,0.031756,4644,1,0,12,5798,22,3,1405,2917,11
FORMULA FlexibleBarrier-PT-04a-CTLFireability-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Applied a total of 0 rules in 0 ms. Remains 51 /51 variables (removed 0) and now considering 74/74 (removed 0) transitions.
[2023-03-22 15:03:58] [INFO ] Invariant cache hit.
[2023-03-22 15:03:58] [INFO ] Implicit Places using invariants in 51 ms returned [49, 50]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 54 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 49/51 places, 74/74 transitions.
Applied a total of 0 rules in 1 ms. Remains 49 /49 variables (removed 0) and now considering 74/74 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 55 ms. Remains : 49/51 places, 74/74 transitions.
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:58] [INFO ] Input system was already deterministic with 74 transitions.
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 3 ms
[2023-03-22 15:03:58] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:58] [INFO ] Time to serialize gal into /tmp/CTLFireability1364111335608138.gal : 0 ms
[2023-03-22 15:03:58] [INFO ] Time to serialize properties into /tmp/CTLFireability194603786707711737.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability1364111335608138.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability194603786707711737.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...279
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,20737,0.00915,3740,2,141,5,866,6,0,272,592,0


Converting to forward existential form...Done !
original formula: AX(EF((p10==1)))
=> equivalent forward existential formula: [(EY(Init) * !(E(TRUE U (p10==1))))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.019066,4056,1,0,6,3830,14,0,1160,1002,5
FORMULA FlexibleBarrier-PT-04a-CTLFireability-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in SI_CTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Graph (trivial) has 40 edges and 51 vertex of which 12 / 51 are part of one of the 4 SCC in 0 ms
Free SCC test removed 8 places
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 9 place count 39 transition count 59
Drop transitions removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 0 with 6 rules applied. Total rules applied 15 place count 39 transition count 53
Applied a total of 15 rules in 6 ms. Remains 39 /51 variables (removed 12) and now considering 53/74 (removed 21) transitions.
[2023-03-22 15:03:59] [INFO ] Flow matrix only has 50 transitions (discarded 3 similar events)
// Phase 1: matrix 50 rows 39 cols
[2023-03-22 15:03:59] [INFO ] Computed 6 place invariants in 1 ms
[2023-03-22 15:03:59] [INFO ] Implicit Places using invariants in 30 ms returned [38]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 31 ms to find 1 implicit places.
Starting structural reductions in SI_CTL mode, iteration 1 : 38/51 places, 53/74 transitions.
Graph (trivial) has 47 edges and 38 vertex of which 20 / 38 are part of one of the 4 SCC in 0 ms
Free SCC test removed 16 places
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Drop transitions removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 22 transition count 25
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 9 place count 18 transition count 25
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 9 place count 18 transition count 22
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 15 place count 15 transition count 22
Drop transitions removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 19 place count 15 transition count 18
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 27 place count 11 transition count 14
Applied a total of 27 rules in 3 ms. Remains 11 /38 variables (removed 27) and now considering 14/53 (removed 39) transitions.
[2023-03-22 15:03:59] [INFO ] Flow matrix only has 11 transitions (discarded 3 similar events)
// Phase 1: matrix 11 rows 11 cols
[2023-03-22 15:03:59] [INFO ] Computed 5 place invariants in 0 ms
[2023-03-22 15:03:59] [INFO ] Implicit Places using invariants in 17 ms returned []
[2023-03-22 15:03:59] [INFO ] Flow matrix only has 11 transitions (discarded 3 similar events)
[2023-03-22 15:03:59] [INFO ] Invariant cache hit.
[2023-03-22 15:03:59] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-03-22 15:03:59] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
Starting structural reductions in SI_CTL mode, iteration 2 : 11/51 places, 14/74 transitions.
Finished structural reductions in SI_CTL mode , in 2 iterations and 80 ms. Remains : 11/51 places, 14/74 transitions.
[2023-03-22 15:03:59] [INFO ] Flatten gal took : 1 ms
[2023-03-22 15:03:59] [INFO ] Flatten gal took : 1 ms
[2023-03-22 15:03:59] [INFO ] Input system was already deterministic with 14 transitions.
Finished random walk after 11 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=5 )
FORMULA FlexibleBarrier-PT-04a-CTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2023-03-22 15:03:59] [INFO ] Flatten gal took : 1 ms
[2023-03-22 15:03:59] [INFO ] Flatten gal took : 1 ms
[2023-03-22 15:03:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2600302269243215688.gal : 1 ms
[2023-03-22 15:03:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7158370747838113228.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2600302269243215688.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7158370747838113228.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Applied a total of 0 rules in 0 ms. Remains 51 /51 variables (removed 0) and now considering 74/74 (removed 0) transitions.
// Phase 1: matrix 74 rows 51 cols
[2023-03-22 15:03:59] [INFO ] Computed 6 place invariants in 3 ms
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality7158370747838113228.prop.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,4,0.009346,3360,2,21,5,61,6,0,54,26,0
Total reachable state count : 4

[2023-03-22 15:03:59] [INFO ] Implicit Places using invariants in 32 ms returned []
[2023-03-22 15:03:59] [INFO ] Invariant cache hit.
[2023-03-22 15:03:59] [INFO ] State equation strengthened by 33 read => feed constraints.
[2023-03-22 15:03:59] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 90 ms to find 0 implicit places.
[2023-03-22 15:03:59] [INFO ] Invariant cache hit.
[2023-03-22 15:03:59] [INFO ] Dead Transitions using invariants and state equation in 41 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 133 ms. Remains : 51/51 places, 74/74 transitions.
[2023-03-22 15:03:59] [INFO ] Flatten gal took : 3 ms
[2023-03-22 15:03:59] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:59] [INFO ] Input system was already deterministic with 74 transitions.
[2023-03-22 15:03:59] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:59] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:59] [INFO ] Time to serialize gal into /tmp/CTLFireability8842934575279903457.gal : 0 ms
[2023-03-22 15:03:59] [INFO ] Time to serialize properties into /tmp/CTLFireability16046682065279232494.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability8842934575279903457.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability16046682065279232494.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,20737,0.015046,3836,2,152,5,1985,6,0,276,1530,0


Converting to forward existential form...Done !
original formula: (E(AX(E((((p24==1)&&(p35==1))&&(p49==1)) U (((p36==1)&&(p47==1))&&(p49==1)))) U ((((p1==1)||((p26==1)&&(p50==1)))&&(p17==1))&&(p50==1))) ...194
=> equivalent forward existential formula: ([(FwdU(Init,!(EX(!(E((((p24==1)&&(p35==1))&&(p49==1)) U (((p36==1)&&(p47==1))&&(p49==1))))))) * ((((p1==1)||((p...266
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 55/27/19
(forward)formula 0,0,0.031327,4680,1,0,12,5184,22,3,1397,1862,12
FORMULA FlexibleBarrier-PT-04a-CTLFireability-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Applied a total of 0 rules in 2 ms. Remains 51 /51 variables (removed 0) and now considering 74/74 (removed 0) transitions.
[2023-03-22 15:03:59] [INFO ] Invariant cache hit.
[2023-03-22 15:03:59] [INFO ] Implicit Places using invariants in 33 ms returned [49]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 34 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 50/51 places, 74/74 transitions.
Applied a total of 0 rules in 0 ms. Remains 50 /50 variables (removed 0) and now considering 74/74 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 36 ms. Remains : 50/51 places, 74/74 transitions.
[2023-03-22 15:03:59] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:59] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:59] [INFO ] Input system was already deterministic with 74 transitions.
[2023-03-22 15:03:59] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:59] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:59] [INFO ] Time to serialize gal into /tmp/CTLFireability7927017323384277837.gal : 0 ms
[2023-03-22 15:03:59] [INFO ] Time to serialize properties into /tmp/CTLFireability2004311852983222797.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability7927017323384277837.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability2004311852983222797.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,20737,0.018245,3800,2,141,5,1663,6,0,274,1228,0


Converting to forward existential form...Done !
original formula: AF((EF(AX(((p41==0)&&(p36==0)))) + ((EG((p47==1)) * (p9==1)) * (p50==1))))
=> equivalent forward existential formula: [FwdG(Init,!((E(TRUE U !(EX(!(((p41==0)&&(p36==0)))))) + ((EG((p47==1)) * (p9==1)) * (p50==1)))))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.033528,4644,1,0,12,4456,30,4,1302,1997,13
FORMULA FlexibleBarrier-PT-04a-CTLFireability-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 74/74 (removed 0) transitions.
[2023-03-22 15:03:59] [INFO ] Invariant cache hit.
[2023-03-22 15:03:59] [INFO ] Implicit Places using invariants in 34 ms returned []
[2023-03-22 15:03:59] [INFO ] Invariant cache hit.
[2023-03-22 15:03:59] [INFO ] State equation strengthened by 33 read => feed constraints.
[2023-03-22 15:03:59] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 96 ms to find 0 implicit places.
[2023-03-22 15:03:59] [INFO ] Invariant cache hit.
[2023-03-22 15:03:59] [INFO ] Dead Transitions using invariants and state equation in 43 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 142 ms. Remains : 51/51 places, 74/74 transitions.
[2023-03-22 15:03:59] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:59] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:59] [INFO ] Input system was already deterministic with 74 transitions.
[2023-03-22 15:03:59] [INFO ] Flatten gal took : 2 ms
[2023-03-22 15:03:59] [INFO ] Flatten gal took : 9 ms
[2023-03-22 15:03:59] [INFO ] Time to serialize gal into /tmp/CTLFireability2099678649285450837.gal : 0 ms
[2023-03-22 15:03:59] [INFO ] Time to serialize properties into /tmp/CTLFireability6705115411622639395.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability2099678649285450837.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability6705115411622639395.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,20737,0.018957,3844,2,152,5,1985,6,0,276,1530,0


Converting to forward existential form...Done !
original formula: EF(EX(A(!(EX((((p12==1)&&(p23==1))&&(p49==1)))) U AX(((((p24==1)&&(p47==1))&&(p49==1))||((p7==1)&&(p50==1)))))))
=> equivalent forward existential formula: [((EY(FwdU(Init,TRUE)) * !(EG(!(!(EX(!(((((p24==1)&&(p47==1))&&(p49==1))||((p7==1)&&(p50==1)))))))))) * !(E(!(!(...350
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Using saturation style SCC detection
(forward)formula 0,1,0.077181,6800,1,0,26,19282,19,23,1360,15513,34
FORMULA FlexibleBarrier-PT-04a-CTLFireability-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

[2023-03-22 15:03:59] [INFO ] Flatten gal took : 6 ms
[2023-03-22 15:03:59] [INFO ] Flatten gal took : 5 ms
Total runtime 3419 ms.

BK_STOP 1679497440615

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution CTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="FlexibleBarrier-PT-04a"
export BK_EXAMINATION="CTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# 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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool itstools"
echo " Input is FlexibleBarrier-PT-04a, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r165-tall-167838850400442"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-04a.tgz
mv FlexibleBarrier-PT-04a execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;