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.r231-tall-167856415800283.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 lolaxred
Input is Kanban-PT-00500, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r231-tall-167856415800283
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 492K
-rw-r--r-- 1 mcc users 5.8K Feb 25 11:59 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Feb 25 11:59 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Feb 25 11:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Feb 25 11:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Feb 25 16:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 12:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K Feb 25 12:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 25 12:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K Feb 25 12:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:19 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 14K 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 Kanban-PT-00500-LTLCardinality-00
FORMULA_NAME Kanban-PT-00500-LTLCardinality-01
FORMULA_NAME Kanban-PT-00500-LTLCardinality-02
FORMULA_NAME Kanban-PT-00500-LTLCardinality-03
FORMULA_NAME Kanban-PT-00500-LTLCardinality-04
FORMULA_NAME Kanban-PT-00500-LTLCardinality-05
FORMULA_NAME Kanban-PT-00500-LTLCardinality-06
FORMULA_NAME Kanban-PT-00500-LTLCardinality-07
FORMULA_NAME Kanban-PT-00500-LTLCardinality-08
FORMULA_NAME Kanban-PT-00500-LTLCardinality-09
FORMULA_NAME Kanban-PT-00500-LTLCardinality-10
FORMULA_NAME Kanban-PT-00500-LTLCardinality-11
FORMULA_NAME Kanban-PT-00500-LTLCardinality-12
FORMULA_NAME Kanban-PT-00500-LTLCardinality-13
FORMULA_NAME Kanban-PT-00500-LTLCardinality-14
FORMULA_NAME Kanban-PT-00500-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1679443896008

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=lolaxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Kanban-PT-00500
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-22 00:11:37] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-22 00:11:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 00:11:37] [INFO ] Load time of PNML (sax parser for PT used): 20 ms
[2023-03-22 00:11:37] [INFO ] Transformed 16 places.
[2023-03-22 00:11:37] [INFO ] Transformed 16 transitions.
[2023-03-22 00:11:37] [INFO ] Parsed PT model containing 16 places and 16 transitions and 40 arcs in 73 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 8 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA Kanban-PT-00500-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Kanban-PT-00500-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Kanban-PT-00500-LTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 15 out of 16 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 16/16 places, 16/16 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 15 transition count 16
Applied a total of 1 rules in 8 ms. Remains 15 /16 variables (removed 1) and now considering 16/16 (removed 0) transitions.
// Phase 1: matrix 16 rows 15 cols
[2023-03-22 00:11:37] [INFO ] Computed 4 place invariants in 5 ms
[2023-03-22 00:11:37] [INFO ] Implicit Places using invariants in 95 ms returned []
[2023-03-22 00:11:37] [INFO ] Invariant cache hit.
[2023-03-22 00:11:37] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 175 ms to find 0 implicit places.
[2023-03-22 00:11:37] [INFO ] Invariant cache hit.
[2023-03-22 00:11:37] [INFO ] Dead Transitions using invariants and state equation in 35 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 15/16 places, 16/16 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 219 ms. Remains : 15/16 places, 16/16 transitions.
Support contains 15 out of 15 places after structural reductions.
[2023-03-22 00:11:38] [INFO ] Flatten gal took : 13 ms
[2023-03-22 00:11:38] [INFO ] Flatten gal took : 3 ms
[2023-03-22 00:11:38] [INFO ] Input system was already deterministic with 16 transitions.
Incomplete random walk after 10022 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=527 ) properties (out of 25) seen :13
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 145 ms. (steps per millisecond=68 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 12) seen :6
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 6) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-22 00:11:38] [INFO ] Invariant cache hit.
[2023-03-22 00:11:38] [INFO ] After 43ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-22 00:11:38] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2023-03-22 00:11:38] [INFO ] After 15ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-22 00:11:38] [INFO ] After 25ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 9 ms.
[2023-03-22 00:11:38] [INFO ] After 88ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Fused 4 Parikh solutions to 3 different solutions.
Finished Parikh walk after 4002 steps, including 0 resets, run visited all 2 properties in 32 ms. (steps per millisecond=125 )
Parikh walk visited 4 properties in 100 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X(F(p1)))))'
Support contains 4 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 16/16 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2023-03-22 00:11:39] [INFO ] Invariant cache hit.
[2023-03-22 00:11:39] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-22 00:11:39] [INFO ] Invariant cache hit.
[2023-03-22 00:11:39] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
[2023-03-22 00:11:39] [INFO ] Invariant cache hit.
[2023-03-22 00:11:39] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 85 ms. Remains : 15/15 places, 16/16 transitions.
Stuttering acceptance computed with spot in 206 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : Kanban-PT-00500-LTLCardinality-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(LEQ s1 s3), p1:(LEQ s8 s2)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 177 ms.
Product exploration explored 100000 steps with 50000 reset in 103 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X p0), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 3 factoid took 214 ms. Reduced automaton from 3 states, 3 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Kanban-PT-00500-LTLCardinality-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Kanban-PT-00500-LTLCardinality-00 finished in 842 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0&&X((!p0 U (p1||G(!p0))))) U p2))'
Support contains 3 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 16/16 transitions.
Graph (trivial) has 7 edges and 15 vertex of which 4 / 15 are part of one of the 2 SCC in 2 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
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 0 with 2 rules applied. Total rules applied 3 place count 12 transition count 13
Applied a total of 3 rules in 16 ms. Remains 12 /15 variables (removed 3) and now considering 13/16 (removed 3) transitions.
[2023-03-22 00:11:39] [INFO ] Flow matrix only has 12 transitions (discarded 1 similar events)
// Phase 1: matrix 12 rows 12 cols
[2023-03-22 00:11:39] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-22 00:11:39] [INFO ] Implicit Places using invariants in 43 ms returned []
[2023-03-22 00:11:39] [INFO ] Flow matrix only has 12 transitions (discarded 1 similar events)
[2023-03-22 00:11:39] [INFO ] Invariant cache hit.
[2023-03-22 00:11:39] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 00:11:39] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
[2023-03-22 00:11:39] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-22 00:11:39] [INFO ] Flow matrix only has 12 transitions (discarded 1 similar events)
[2023-03-22 00:11:39] [INFO ] Invariant cache hit.
[2023-03-22 00:11:39] [INFO ] Dead Transitions using invariants and state equation in 33 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 12/15 places, 13/16 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 127 ms. Remains : 12/15 places, 13/16 transitions.
Stuttering acceptance computed with spot in 120 ms :[(NOT p2), true, (AND p0 (NOT p1))]
Running random walk in product with property : Kanban-PT-00500-LTLCardinality-02 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p2) (NOT p0)), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p2) p0), acceptance={0} source=0 dest: 1}, { cond=(AND (NOT p2) (NOT p0)), acceptance={0} source=0 dest: 2}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=2 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 2}]], initial=0, aps=[p2:(LEQ 2 s4), p0:(AND (LEQ s0 s7) (LEQ 3 s0)), p1:(LEQ 3 s0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 949 steps with 14 reset in 14 ms.
FORMULA Kanban-PT-00500-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Kanban-PT-00500-LTLCardinality-02 finished in 279 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 16/16 transitions.
Graph (trivial) has 11 edges and 15 vertex of which 6 / 15 are part of one of the 3 SCC in 0 ms
Free SCC test removed 3 places
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 12 transition count 12
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 11 transition count 12
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 2 with 2 rules applied. Total rules applied 5 place count 10 transition count 11
Applied a total of 5 rules in 7 ms. Remains 10 /15 variables (removed 5) and now considering 11/16 (removed 5) transitions.
[2023-03-22 00:11:40] [INFO ] Flow matrix only has 9 transitions (discarded 2 similar events)
// Phase 1: matrix 9 rows 10 cols
[2023-03-22 00:11:40] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-22 00:11:40] [INFO ] Implicit Places using invariants in 18 ms returned []
[2023-03-22 00:11:40] [INFO ] Flow matrix only has 9 transitions (discarded 2 similar events)
[2023-03-22 00:11:40] [INFO ] Invariant cache hit.
[2023-03-22 00:11:40] [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.
[2023-03-22 00:11:40] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-22 00:11:40] [INFO ] Flow matrix only has 9 transitions (discarded 2 similar events)
[2023-03-22 00:11:40] [INFO ] Invariant cache hit.
[2023-03-22 00:11:40] [INFO ] Dead Transitions using invariants and state equation in 31 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/15 places, 11/16 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 85 ms. Remains : 10/15 places, 11/16 transitions.
Stuttering acceptance computed with spot in 77 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Kanban-PT-00500-LTLCardinality-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(LEQ 2 s4)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Kanban-PT-00500-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Kanban-PT-00500-LTLCardinality-04 finished in 175 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((G(p0)||X(X(X(F(p1)))))))'
Support contains 4 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 16/16 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 14 transition count 15
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 14 transition count 15
Applied a total of 2 rules in 3 ms. Remains 14 /15 variables (removed 1) and now considering 15/16 (removed 1) transitions.
// Phase 1: matrix 15 rows 14 cols
[2023-03-22 00:11:40] [INFO ] Computed 4 place invariants in 2 ms
[2023-03-22 00:11:40] [INFO ] Implicit Places using invariants in 31 ms returned []
[2023-03-22 00:11:40] [INFO ] Invariant cache hit.
[2023-03-22 00:11:40] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
[2023-03-22 00:11:40] [INFO ] Invariant cache hit.
[2023-03-22 00:11:40] [INFO ] Dead Transitions using invariants and state equation in 33 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 14/15 places, 15/16 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 103 ms. Remains : 14/15 places, 15/16 transitions.
Stuttering acceptance computed with spot in 206 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Kanban-PT-00500-LTLCardinality-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=p0, acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=(NOT p0), acceptance={} source=2 dest: 3}, { cond=p0, acceptance={} source=2 dest: 5}], [{ cond=true, acceptance={} source=3 dest: 4}], [{ cond=(NOT p1), acceptance={0} source=4 dest: 4}], [{ cond=(NOT p0), acceptance={} source=5 dest: 4}]], initial=0, aps=[p0:(LEQ s11 s9), p1:(LEQ s12 s7)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 19994 reset in 154 ms.
Product exploration explored 100000 steps with 19913 reset in 105 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), true, (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 160 ms. Reduced automaton from 6 states, 9 edges and 2 AP (stutter sensitive) to 6 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 239 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0))]
Incomplete random walk after 10022 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=2505 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-22 00:11:41] [INFO ] Invariant cache hit.
[2023-03-22 00:11:41] [INFO ] After 17ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-22 00:11:41] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2023-03-22 00:11:41] [INFO ] After 7ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-22 00:11:41] [INFO ] After 10ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 3 ms.
[2023-03-22 00:11:41] [INFO ] After 35ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Finished Parikh walk after 3456 steps, including 0 resets, run visited all 1 properties in 9 ms. (steps per millisecond=384 )
Parikh walk visited 1 properties in 8 ms.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), true, (X (X (NOT p0)))]
False Knowledge obtained : [(F p0), (F (NOT p1))]
Knowledge based reduction with 4 factoid took 204 ms. Reduced automaton from 6 states, 9 edges and 2 AP (stutter sensitive) to 6 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 216 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 228 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0))]
Support contains 4 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 14 /14 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2023-03-22 00:11:42] [INFO ] Invariant cache hit.
[2023-03-22 00:11:42] [INFO ] Implicit Places using invariants in 30 ms returned []
[2023-03-22 00:11:42] [INFO ] Invariant cache hit.
[2023-03-22 00:11:42] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
[2023-03-22 00:11:42] [INFO ] Invariant cache hit.
[2023-03-22 00:11:42] [INFO ] Dead Transitions using invariants and state equation in 29 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 91 ms. Remains : 14/14 places, 15/15 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), true, (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 184 ms. Reduced automaton from 6 states, 9 edges and 2 AP (stutter sensitive) to 6 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 227 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0))]
Incomplete random walk after 10030 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=1671 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=1428 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-22 00:11:42] [INFO ] Invariant cache hit.
[2023-03-22 00:11:42] [INFO ] After 32ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-22 00:11:42] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 00:11:42] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-22 00:11:42] [INFO ] After 10ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-22 00:11:42] [INFO ] After 48ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Finished Parikh walk after 3478 steps, including 0 resets, run visited all 1 properties in 5 ms. (steps per millisecond=695 )
Parikh walk visited 1 properties in 4 ms.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), true, (X (X (NOT p0)))]
False Knowledge obtained : [(F p0), (F (NOT p1))]
Knowledge based reduction with 4 factoid took 252 ms. Reduced automaton from 6 states, 9 edges and 2 AP (stutter sensitive) to 6 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 234 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 241 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 194 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 19934 reset in 67 ms.
Product exploration explored 100000 steps with 19973 reset in 172 ms.
Applying partial POR strategy [false, false, false, false, true, true]
Stuttering acceptance computed with spot in 214 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0))]
Support contains 4 out of 14 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 14/14 places, 15/15 transitions.
Graph (trivial) has 9 edges and 14 vertex of which 6 / 14 are part of one of the 3 SCC in 1 ms
Free SCC test removed 3 places
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Applied a total of 1 rules in 4 ms. Remains 11 /14 variables (removed 3) and now considering 12/15 (removed 3) transitions.
[2023-03-22 00:11:44] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-22 00:11:44] [INFO ] Flow matrix only has 10 transitions (discarded 2 similar events)
// Phase 1: matrix 10 rows 11 cols
[2023-03-22 00:11:44] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-22 00:11:44] [INFO ] Dead Transitions using invariants and state equation in 32 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 11/14 places, 12/15 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 47 ms. Remains : 11/14 places, 12/15 transitions.
Support contains 4 out of 14 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 14/14 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 14 /14 variables (removed 0) and now considering 15/15 (removed 0) transitions.
// Phase 1: matrix 15 rows 14 cols
[2023-03-22 00:11:44] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-22 00:11:44] [INFO ] Implicit Places using invariants in 19 ms returned []
[2023-03-22 00:11:44] [INFO ] Invariant cache hit.
[2023-03-22 00:11:44] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
[2023-03-22 00:11:44] [INFO ] Invariant cache hit.
[2023-03-22 00:11:44] [INFO ] Dead Transitions using invariants and state equation in 27 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 81 ms. Remains : 14/14 places, 15/15 transitions.
Treatment of property Kanban-PT-00500-LTLCardinality-05 finished in 4040 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 16/16 transitions.
Graph (trivial) has 12 edges and 15 vertex of which 6 / 15 are part of one of the 3 SCC in 0 ms
Free SCC test removed 3 places
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 12 transition count 12
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 11 transition count 12
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 2 with 2 rules applied. Total rules applied 5 place count 10 transition count 11
Applied a total of 5 rules in 5 ms. Remains 10 /15 variables (removed 5) and now considering 11/16 (removed 5) transitions.
[2023-03-22 00:11:44] [INFO ] Flow matrix only has 9 transitions (discarded 2 similar events)
// Phase 1: matrix 9 rows 10 cols
[2023-03-22 00:11:44] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-22 00:11:44] [INFO ] Implicit Places using invariants in 23 ms returned []
[2023-03-22 00:11:44] [INFO ] Flow matrix only has 9 transitions (discarded 2 similar events)
[2023-03-22 00:11:44] [INFO ] Invariant cache hit.
[2023-03-22 00:11:44] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 00:11:44] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2023-03-22 00:11:44] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-22 00:11:44] [INFO ] Flow matrix only has 9 transitions (discarded 2 similar events)
[2023-03-22 00:11:44] [INFO ] Invariant cache hit.
[2023-03-22 00:11:44] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/15 places, 11/16 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 92 ms. Remains : 10/15 places, 11/16 transitions.
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Running random walk in product with property : Kanban-PT-00500-LTLCardinality-06 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GT 3 s3)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 20 steps with 0 reset in 0 ms.
FORMULA Kanban-PT-00500-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Kanban-PT-00500-LTLCardinality-06 finished in 137 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(((p0 U (p1||G(p0)))&&(F(p2)||X(p3))))))'
Support contains 5 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 16/16 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 16/16 (removed 0) transitions.
// Phase 1: matrix 16 rows 15 cols
[2023-03-22 00:11:44] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-22 00:11:44] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-22 00:11:44] [INFO ] Invariant cache hit.
[2023-03-22 00:11:44] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2023-03-22 00:11:44] [INFO ] Invariant cache hit.
[2023-03-22 00:11:44] [INFO ] Dead Transitions using invariants and state equation in 32 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 85 ms. Remains : 15/15 places, 16/16 transitions.
Stuttering acceptance computed with spot in 332 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p2) (NOT p3))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p2) (NOT p3))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p2) (NOT p3))), true, (AND (NOT p1) (NOT p0)), (AND (NOT p2) (NOT p3)), (NOT p2)]
Running random walk in product with property : Kanban-PT-00500-LTLCardinality-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 3}, { cond=(AND (NOT p1) p0), acceptance={} source=2 dest: 4}, { cond=(OR (AND (NOT p2) p1) (AND (NOT p2) p0)), acceptance={} source=2 dest: 5}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=4 dest: 3}, { cond=(AND (NOT p1) p0), acceptance={} source=4 dest: 4}], [{ cond=(AND (NOT p2) (NOT p3)), acceptance={} source=5 dest: 6}], [{ cond=(NOT p2), acceptance={0} source=6 dest: 6}]], initial=0, aps=[p1:(AND (GT 1 s7) (GT s3 s2)), p0:(GT s3 s2), p2:(LEQ s12 s3), p3:(LEQ 1 s9)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 589 reset in 148 ms.
Stack based approach found an accepted trace after 28 steps with 0 reset with depth 29 and stack size 29 in 0 ms.
FORMULA Kanban-PT-00500-LTLCardinality-07 FALSE TECHNIQUES STACK_TEST
Treatment of property Kanban-PT-00500-LTLCardinality-07 finished in 590 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(p0)||G(!p1))))'
Support contains 2 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 16/16 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2023-03-22 00:11:45] [INFO ] Invariant cache hit.
[2023-03-22 00:11:45] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-22 00:11:45] [INFO ] Invariant cache hit.
[2023-03-22 00:11:45] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2023-03-22 00:11:45] [INFO ] Invariant cache hit.
[2023-03-22 00:11:45] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 76 ms. Remains : 15/15 places, 16/16 transitions.
Stuttering acceptance computed with spot in 60 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0))]
Running random walk in product with property : Kanban-PT-00500-LTLCardinality-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(GT 3 s5), p0:(LEQ 2 s11)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 2609 reset in 103 ms.
Stack based approach found an accepted trace after 13 steps with 0 reset with depth 14 and stack size 14 in 0 ms.
FORMULA Kanban-PT-00500-LTLCardinality-08 FALSE TECHNIQUES STACK_TEST
Treatment of property Kanban-PT-00500-LTLCardinality-08 finished in 260 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)||G(F(p1)))))'
Support contains 3 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 16/16 transitions.
Graph (trivial) has 8 edges and 15 vertex of which 4 / 15 are part of one of the 2 SCC in 0 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 13 transition count 13
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 12 transition count 13
Applied a total of 3 rules in 5 ms. Remains 12 /15 variables (removed 3) and now considering 13/16 (removed 3) transitions.
[2023-03-22 00:11:45] [INFO ] Flow matrix only has 12 transitions (discarded 1 similar events)
// Phase 1: matrix 12 rows 12 cols
[2023-03-22 00:11:45] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-22 00:11:45] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-22 00:11:45] [INFO ] Flow matrix only has 12 transitions (discarded 1 similar events)
[2023-03-22 00:11:45] [INFO ] Invariant cache hit.
[2023-03-22 00:11:45] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 00:11:45] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
[2023-03-22 00:11:45] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-22 00:11:45] [INFO ] Flow matrix only has 12 transitions (discarded 1 similar events)
[2023-03-22 00:11:45] [INFO ] Invariant cache hit.
[2023-03-22 00:11:45] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 12/15 places, 13/16 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 101 ms. Remains : 12/15 places, 13/16 transitions.
Stuttering acceptance computed with spot in 61 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Kanban-PT-00500-LTLCardinality-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(LEQ 2 s4), p1:(LEQ s1 s3)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 0 reset in 109 ms.
Product exploration explored 100000 steps with 0 reset in 181 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 175 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Incomplete random walk after 10022 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=2004 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-22 00:11:46] [INFO ] Flow matrix only has 12 transitions (discarded 1 similar events)
[2023-03-22 00:11:46] [INFO ] Invariant cache hit.
[2023-03-22 00:11:46] [INFO ] After 17ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-22 00:11:46] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 00:11:46] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-22 00:11:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 00:11:46] [INFO ] After 2ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-22 00:11:46] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 4 ms.
[2023-03-22 00:11:46] [INFO ] After 35ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Finished Parikh walk after 1003 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=501 )
Parikh walk visited 1 properties in 1 ms.
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(F (AND (NOT p0) (NOT p1))), (F (AND p0 (NOT p1)))]
Knowledge based reduction with 5 factoid took 217 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 66 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 52 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 3 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 13/13 transitions.
Applied a total of 0 rules in 2 ms. Remains 12 /12 variables (removed 0) and now considering 13/13 (removed 0) transitions.
[2023-03-22 00:11:46] [INFO ] Flow matrix only has 12 transitions (discarded 1 similar events)
[2023-03-22 00:11:46] [INFO ] Invariant cache hit.
[2023-03-22 00:11:46] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-22 00:11:46] [INFO ] Flow matrix only has 12 transitions (discarded 1 similar events)
[2023-03-22 00:11:46] [INFO ] Invariant cache hit.
[2023-03-22 00:11:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 00:11:46] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2023-03-22 00:11:46] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-22 00:11:46] [INFO ] Flow matrix only has 12 transitions (discarded 1 similar events)
[2023-03-22 00:11:46] [INFO ] Invariant cache hit.
[2023-03-22 00:11:46] [INFO ] Dead Transitions using invariants and state equation in 20 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 78 ms. Remains : 12/12 places, 13/13 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 146 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 61 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Incomplete random walk after 10022 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=2004 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 2) seen :0
Finished probabilistic random walk after 50923 steps, run visited all 2 properties in 195 ms. (steps per millisecond=261 )
Probabilistic random walk after 50923 steps, saw 32619 distinct states, run finished after 196 ms. (steps per millisecond=259 ) properties seen :2
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(F (AND (NOT p0) (NOT p1))), (F (AND p0 (NOT p1)))]
Knowledge based reduction with 5 factoid took 177 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 60 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 69 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 64 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 98 ms.
Product exploration explored 100000 steps with 0 reset in 136 ms.
Support contains 3 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 13/13 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 13/13 (removed 0) transitions.
[2023-03-22 00:11:47] [INFO ] Flow matrix only has 12 transitions (discarded 1 similar events)
[2023-03-22 00:11:47] [INFO ] Invariant cache hit.
[2023-03-22 00:11:47] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-22 00:11:47] [INFO ] Flow matrix only has 12 transitions (discarded 1 similar events)
[2023-03-22 00:11:47] [INFO ] Invariant cache hit.
[2023-03-22 00:11:47] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-22 00:11:47] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
[2023-03-22 00:11:47] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-22 00:11:47] [INFO ] Flow matrix only has 12 transitions (discarded 1 similar events)
[2023-03-22 00:11:47] [INFO ] Invariant cache hit.
[2023-03-22 00:11:47] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 99 ms. Remains : 12/12 places, 13/13 transitions.
Treatment of property Kanban-PT-00500-LTLCardinality-09 finished in 2430 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((X(F(p1))||p0))))'
Support contains 3 out of 15 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 15/15 places, 16/16 transitions.
Graph (trivial) has 10 edges and 15 vertex of which 6 / 15 are part of one of the 3 SCC in 0 ms
Free SCC test removed 3 places
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 12 transition count 12
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 11 transition count 12
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 2 with 2 rules applied. Total rules applied 5 place count 10 transition count 11
Applied a total of 5 rules in 8 ms. Remains 10 /15 variables (removed 5) and now considering 11/16 (removed 5) transitions.
[2023-03-22 00:11:47] [INFO ] Flow matrix only has 9 transitions (discarded 2 similar events)
// Phase 1: matrix 9 rows 10 cols
[2023-03-22 00:11:47] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-22 00:11:47] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-22 00:11:47] [INFO ] Flow matrix only has 9 transitions (discarded 2 similar events)
[2023-03-22 00:11:47] [INFO ] Invariant cache hit.
[2023-03-22 00:11:47] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2023-03-22 00:11:47] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-22 00:11:47] [INFO ] Flow matrix only has 9 transitions (discarded 2 similar events)
[2023-03-22 00:11:47] [INFO ] Invariant cache hit.
[2023-03-22 00:11:47] [INFO ] Dead Transitions using invariants and state equation in 27 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/15 places, 11/16 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 105 ms. Remains : 10/15 places, 11/16 transitions.
Stuttering acceptance computed with spot in 69 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Kanban-PT-00500-LTLCardinality-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (LEQ 3 s6) (LEQ 3 s1)), p1:(GT 2 s8)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 83 steps with 0 reset in 1 ms.
FORMULA Kanban-PT-00500-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Kanban-PT-00500-LTLCardinality-10 finished in 191 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(((p0&&X(p1)&&F(p2))||G(p1))))'
Support contains 4 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 16/16 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 14 transition count 15
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 14 transition count 15
Applied a total of 2 rules in 1 ms. Remains 14 /15 variables (removed 1) and now considering 15/16 (removed 1) transitions.
// Phase 1: matrix 15 rows 14 cols
[2023-03-22 00:11:47] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-22 00:11:47] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-22 00:11:47] [INFO ] Invariant cache hit.
[2023-03-22 00:11:47] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2023-03-22 00:11:47] [INFO ] Invariant cache hit.
[2023-03-22 00:11:48] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 14/15 places, 15/16 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 79 ms. Remains : 14/15 places, 15/16 transitions.
Stuttering acceptance computed with spot in 114 ms :[(NOT p1), (NOT p1), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : Kanban-PT-00500-LTLCardinality-11 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) p1), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=0 dest: 0}, { cond=(AND p0 p1), acceptance={} source=0 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={0} source=0 dest: 1}, { cond=(AND p0 (NOT p2)), acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={0} source=1 dest: 1}, { cond=(AND p0 (NOT p2) (NOT p1)), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p2) p1), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(LEQ s12 s2), p1:(GT s12 s1), p2:(AND (LEQ 2 s13) (LEQ s12 s2))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 815 reset in 118 ms.
Stack based approach found an accepted trace after 7 steps with 0 reset with depth 8 and stack size 8 in 0 ms.
FORMULA Kanban-PT-00500-LTLCardinality-11 FALSE TECHNIQUES STACK_TEST
Treatment of property Kanban-PT-00500-LTLCardinality-11 finished in 335 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 16/16 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 14 transition count 15
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 14 transition count 15
Applied a total of 2 rules in 1 ms. Remains 14 /15 variables (removed 1) and now considering 15/16 (removed 1) transitions.
[2023-03-22 00:11:48] [INFO ] Invariant cache hit.
[2023-03-22 00:11:48] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-22 00:11:48] [INFO ] Invariant cache hit.
[2023-03-22 00:11:48] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2023-03-22 00:11:48] [INFO ] Invariant cache hit.
[2023-03-22 00:11:48] [INFO ] Dead Transitions using invariants and state equation in 28 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 14/15 places, 15/16 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 83 ms. Remains : 14/15 places, 15/16 transitions.
Stuttering acceptance computed with spot in 73 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : Kanban-PT-00500-LTLCardinality-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(GT 1 s7)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Kanban-PT-00500-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Kanban-PT-00500-LTLCardinality-13 finished in 176 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&G(p1))))'
Support contains 4 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 16/16 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 14 transition count 15
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 14 transition count 15
Applied a total of 2 rules in 2 ms. Remains 14 /15 variables (removed 1) and now considering 15/16 (removed 1) transitions.
[2023-03-22 00:11:48] [INFO ] Invariant cache hit.
[2023-03-22 00:11:48] [INFO ] Implicit Places using invariants in 23 ms returned []
[2023-03-22 00:11:48] [INFO ] Invariant cache hit.
[2023-03-22 00:11:48] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2023-03-22 00:11:48] [INFO ] Invariant cache hit.
[2023-03-22 00:11:48] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 14/15 places, 15/16 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 80 ms. Remains : 14/15 places, 15/16 transitions.
Stuttering acceptance computed with spot in 110 ms :[true, (OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : Kanban-PT-00500-LTLCardinality-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=(NOT p1), acceptance={} source=2 dest: 0}, { cond=p1, acceptance={} source=2 dest: 2}], [{ cond=(OR (NOT p0) (NOT p1)), acceptance={} source=3 dest: 0}, { cond=(AND p0 p1), acceptance={} source=3 dest: 2}]], initial=1, aps=[p1:(GT s4 s1), p0:(LEQ s9 s5)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 7 steps with 0 reset in 0 ms.
FORMULA Kanban-PT-00500-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Kanban-PT-00500-LTLCardinality-14 finished in 201 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((X(X(p0))||G(p1))))))'
Support contains 4 out of 15 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 15/15 places, 16/16 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 16/16 (removed 0) transitions.
// Phase 1: matrix 16 rows 15 cols
[2023-03-22 00:11:48] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-22 00:11:48] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-22 00:11:48] [INFO ] Invariant cache hit.
[2023-03-22 00:11:48] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2023-03-22 00:11:48] [INFO ] Invariant cache hit.
[2023-03-22 00:11:48] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 88 ms. Remains : 15/15 places, 16/16 transitions.
Stuttering acceptance computed with spot in 283 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), true, (AND (NOT p1) (NOT p0)), (AND (NOT p1) p0)]
Running random walk in product with property : Kanban-PT-00500-LTLCardinality-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=true, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={} source=2 dest: 3}, { cond=p1, acceptance={} source=2 dest: 4}], [{ cond=true, acceptance={} source=3 dest: 5}], [{ cond=(NOT p1), acceptance={} source=4 dest: 5}, { cond=p1, acceptance={} source=4 dest: 7}], [{ cond=(NOT p0), acceptance={} source=5 dest: 6}], [{ cond=true, acceptance={0} source=6 dest: 6}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=7 dest: 6}, { cond=(AND p1 (NOT p0)), acceptance={} source=7 dest: 8}], [{ cond=(AND (NOT p1) p0), acceptance={} source=8 dest: 6}, { cond=(AND p1 p0), acceptance={} source=8 dest: 8}]], initial=0, aps=[p1:(GT s7 s3), p0:(LEQ s1 s11)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 170 steps with 29 reset in 0 ms.
FORMULA Kanban-PT-00500-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Kanban-PT-00500-LTLCardinality-15 finished in 390 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((G(p0)||X(X(X(F(p1)))))))'
Found a Shortening insensitive property : Kanban-PT-00500-LTLCardinality-05
Stuttering acceptance computed with spot in 216 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0))]
Support contains 4 out of 15 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 15/15 places, 16/16 transitions.
Graph (trivial) has 10 edges and 15 vertex of which 6 / 15 are part of one of the 3 SCC in 1 ms
Free SCC test removed 3 places
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
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 0 with 2 rules applied. Total rules applied 3 place count 11 transition count 12
Applied a total of 3 rules in 8 ms. Remains 11 /15 variables (removed 4) and now considering 12/16 (removed 4) transitions.
[2023-03-22 00:11:49] [INFO ] Flow matrix only has 10 transitions (discarded 2 similar events)
// Phase 1: matrix 10 rows 11 cols
[2023-03-22 00:11:49] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-22 00:11:49] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-22 00:11:49] [INFO ] Flow matrix only has 10 transitions (discarded 2 similar events)
[2023-03-22 00:11:49] [INFO ] Invariant cache hit.
[2023-03-22 00:11:49] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2023-03-22 00:11:49] [INFO ] Flow matrix only has 10 transitions (discarded 2 similar events)
[2023-03-22 00:11:49] [INFO ] Invariant cache hit.
[2023-03-22 00:11:49] [INFO ] Dead Transitions using invariants and state equation in 27 ms found 0 transitions.
Starting structural reductions in LI_LTL mode, iteration 1 : 11/15 places, 12/16 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 85 ms. Remains : 11/15 places, 12/16 transitions.
Running random walk in product with property : Kanban-PT-00500-LTLCardinality-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=p0, acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=(NOT p0), acceptance={} source=2 dest: 3}, { cond=p0, acceptance={} source=2 dest: 5}], [{ cond=true, acceptance={} source=3 dest: 4}], [{ cond=(NOT p1), acceptance={0} source=4 dest: 4}], [{ cond=(NOT p0), acceptance={} source=5 dest: 4}]], initial=0, aps=[p0:(LEQ s8 s7), p1:(LEQ s9 s5)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak, cl-invariant], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 19906 reset in 52 ms.
Product exploration explored 100000 steps with 19982 reset in 63 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), true, (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 287 ms. Reduced automaton from 6 states, 9 edges and 2 AP (stutter sensitive) to 6 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 199 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0))]
Incomplete random walk after 10022 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=2004 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-22 00:11:50] [INFO ] Flow matrix only has 10 transitions (discarded 2 similar events)
[2023-03-22 00:11:50] [INFO ] Invariant cache hit.
[2023-03-22 00:11:50] [INFO ] After 17ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-22 00:11:50] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 00:11:50] [INFO ] After 6ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-22 00:11:50] [INFO ] After 9ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 1 ms.
[2023-03-22 00:11:50] [INFO ] After 36ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 11 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 11/11 places, 12/12 transitions.
Graph (trivial) has 8 edges and 11 vertex of which 2 / 11 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Drop transitions removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 1 place count 10 transition count 4
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 7 rules applied. Total rules applied 8 place count 6 transition count 4
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 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 11 place count 4 transition count 3
Applied a total of 11 rules in 7 ms. Remains 4 /11 variables (removed 7) and now considering 3/12 (removed 9) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 4/11 places, 3/12 transitions.
Finished random walk after 1003 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=1003 )
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), true, (X (X (NOT p0)))]
False Knowledge obtained : [(F p0), (F (NOT p1))]
Knowledge based reduction with 4 factoid took 256 ms. Reduced automaton from 6 states, 9 edges and 2 AP (stutter sensitive) to 6 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 235 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 207 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0))]
Support contains 4 out of 11 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 11/11 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 11 /11 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2023-03-22 00:11:50] [INFO ] Flow matrix only has 10 transitions (discarded 2 similar events)
[2023-03-22 00:11:50] [INFO ] Invariant cache hit.
[2023-03-22 00:11:50] [INFO ] Implicit Places using invariants in 27 ms returned []
[2023-03-22 00:11:50] [INFO ] Flow matrix only has 10 transitions (discarded 2 similar events)
[2023-03-22 00:11:50] [INFO ] Invariant cache hit.
[2023-03-22 00:11:50] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
[2023-03-22 00:11:50] [INFO ] Flow matrix only has 10 transitions (discarded 2 similar events)
[2023-03-22 00:11:50] [INFO ] Invariant cache hit.
[2023-03-22 00:11:50] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 76 ms. Remains : 11/11 places, 12/12 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), true, (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 146 ms. Reduced automaton from 6 states, 9 edges and 2 AP (stutter sensitive) to 6 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 196 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0))]
Incomplete random walk after 10022 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=3340 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=1428 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-22 00:11:51] [INFO ] Flow matrix only has 10 transitions (discarded 2 similar events)
[2023-03-22 00:11:51] [INFO ] Invariant cache hit.
[2023-03-22 00:11:51] [INFO ] After 21ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-22 00:11:51] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2023-03-22 00:11:51] [INFO ] After 6ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-22 00:11:51] [INFO ] After 8ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-22 00:11:51] [INFO ] After 28ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 5 ms.
Support contains 2 out of 11 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 11/11 places, 12/12 transitions.
Graph (trivial) has 8 edges and 11 vertex of which 2 / 11 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Drop transitions removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 1 place count 10 transition count 4
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 7 rules applied. Total rules applied 8 place count 6 transition count 4
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 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 11 place count 4 transition count 3
Applied a total of 11 rules in 5 ms. Remains 4 /11 variables (removed 7) and now considering 3/12 (removed 9) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 4/11 places, 3/12 transitions.
Finished random walk after 2506 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=1253 )
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), true, (X (X (NOT p0)))]
False Knowledge obtained : [(F p0), (F (NOT p1))]
Knowledge based reduction with 4 factoid took 266 ms. Reduced automaton from 6 states, 9 edges and 2 AP (stutter sensitive) to 6 states, 9 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 209 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 215 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 216 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 19979 reset in 58 ms.
Product exploration explored 100000 steps with 19998 reset in 60 ms.
Applying partial POR strategy [false, false, false, false, true, true]
Stuttering acceptance computed with spot in 215 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0))]
Support contains 4 out of 11 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 11/11 places, 12/12 transitions.
Applied a total of 0 rules in 2 ms. Remains 11 /11 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2023-03-22 00:11:52] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-22 00:11:52] [INFO ] Flow matrix only has 10 transitions (discarded 2 similar events)
[2023-03-22 00:11:52] [INFO ] Invariant cache hit.
[2023-03-22 00:11:52] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 41 ms. Remains : 11/11 places, 12/12 transitions.
Support contains 4 out of 11 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 11/11 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 11 /11 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2023-03-22 00:11:52] [INFO ] Flow matrix only has 10 transitions (discarded 2 similar events)
[2023-03-22 00:11:52] [INFO ] Invariant cache hit.
[2023-03-22 00:11:52] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-22 00:11:52] [INFO ] Flow matrix only has 10 transitions (discarded 2 similar events)
[2023-03-22 00:11:52] [INFO ] Invariant cache hit.
[2023-03-22 00:11:52] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2023-03-22 00:11:52] [INFO ] Flow matrix only has 10 transitions (discarded 2 similar events)
[2023-03-22 00:11:52] [INFO ] Invariant cache hit.
[2023-03-22 00:11:52] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 70 ms. Remains : 11/11 places, 12/12 transitions.
Treatment of property Kanban-PT-00500-LTLCardinality-05 finished in 3767 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)||G(F(p1)))))'
[2023-03-22 00:11:52] [INFO ] Flatten gal took : 6 ms
[2023-03-22 00:11:52] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 1 ms.
[2023-03-22 00:11:52] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 15 places, 16 transitions and 38 arcs took 0 ms.
Total runtime 15479 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT Kanban-PT-00500
BK_EXAMINATION: LTLCardinality
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/377
LTLCardinality

FORMULA Kanban-PT-00500-LTLCardinality-05 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA Kanban-PT-00500-LTLCardinality-09 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679443914345

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

+ 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//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/377/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/377/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/377/LTLCardinality.xml
lola: Created skeleton in 0.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: LAUNCH task # 1 (type EXCL) for 0 Kanban-PT-00500-LTLCardinality-05
lola: time limit : 1800 sec
lola: memory limit: 32 pages
lola: FINISHED task # 1 (type EXCL) for Kanban-PT-00500-LTLCardinality-05
lola: result : false
lola: markings : 212558
lola: fired transitions : 487822
lola: time used : 0.000000
lola: memory pages used : 2
lola: LAUNCH task # 4 (type EXCL) for 3 Kanban-PT-00500-LTLCardinality-09
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: FINISHED task # 4 (type EXCL) for Kanban-PT-00500-LTLCardinality-09
lola: result : false
lola: markings : 8004
lola: fired transitions : 10008
lola: time used : 0.000000
lola: memory pages used : 1
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
Kanban-PT-00500-LTLCardinality-05: LTL false LTL model checker
Kanban-PT-00500-LTLCardinality-09: LTL false LTL model checker


Time elapsed: 0 secs. Pages in use: 2

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="Kanban-PT-00500"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is Kanban-PT-00500, 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 r231-tall-167856415800283"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Kanban-PT-00500.tgz
mv Kanban-PT-00500 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;