Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r334-tall-171679080000268.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool itstools
Input is RwMutex-PT-r0010w0020, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r334-tall-171679080000268
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 456K
-rw-r--r-- 1 mcc users 7.6K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.3K Apr 23 07:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Apr 23 07:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 23 07:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 23 07:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.5K Apr 13 06:38 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 74K Apr 13 06:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Apr 13 06:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K Apr 13 06:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 23 07:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 11 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 44K May 18 16:43 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 RwMutex-PT-r0010w0020-LTLFireability-00
FORMULA_NAME RwMutex-PT-r0010w0020-LTLFireability-01
FORMULA_NAME RwMutex-PT-r0010w0020-LTLFireability-02
FORMULA_NAME RwMutex-PT-r0010w0020-LTLFireability-03
FORMULA_NAME RwMutex-PT-r0010w0020-LTLFireability-04
FORMULA_NAME RwMutex-PT-r0010w0020-LTLFireability-05
FORMULA_NAME RwMutex-PT-r0010w0020-LTLFireability-06
FORMULA_NAME RwMutex-PT-r0010w0020-LTLFireability-07
FORMULA_NAME RwMutex-PT-r0010w0020-LTLFireability-08
FORMULA_NAME RwMutex-PT-r0010w0020-LTLFireability-09
FORMULA_NAME RwMutex-PT-r0010w0020-LTLFireability-10
FORMULA_NAME RwMutex-PT-r0010w0020-LTLFireability-11
FORMULA_NAME RwMutex-PT-r0010w0020-LTLFireability-12
FORMULA_NAME RwMutex-PT-r0010w0020-LTLFireability-13
FORMULA_NAME RwMutex-PT-r0010w0020-LTLFireability-14
FORMULA_NAME RwMutex-PT-r0010w0020-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716817083121

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RwMutex-PT-r0010w0020
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202405141337
[2024-05-27 13:38:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-27 13:38:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-27 13:38:04] [INFO ] Load time of PNML (sax parser for PT used): 65 ms
[2024-05-27 13:38:04] [INFO ] Transformed 70 places.
[2024-05-27 13:38:04] [INFO ] Transformed 60 transitions.
[2024-05-27 13:38:04] [INFO ] Found NUPN structural information;
[2024-05-27 13:38:04] [INFO ] Parsed PT model containing 70 places and 60 transitions and 540 arcs in 171 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
Support contains 35 out of 70 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 70/70 places, 60/60 transitions.
Applied a total of 0 rules in 10 ms. Remains 70 /70 variables (removed 0) and now considering 60/60 (removed 0) transitions.
// Phase 1: matrix 60 rows 70 cols
[2024-05-27 13:38:04] [INFO ] Computed 40 invariants in 13 ms
[2024-05-27 13:38:04] [INFO ] Implicit Places using invariants in 202 ms returned [1, 2, 4, 5, 6, 9, 10, 11, 12, 13, 18, 20, 21, 22, 23, 24, 44, 66, 69]
Discarding 19 places :
Implicit Place search using SMT only with invariants took 233 ms to find 19 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 51/70 places, 60/60 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 46 transition count 55
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 46 transition count 55
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 15 place count 46 transition count 50
Applied a total of 15 rules in 9 ms. Remains 46 /51 variables (removed 5) and now considering 50/60 (removed 10) transitions.
// Phase 1: matrix 50 rows 46 cols
[2024-05-27 13:38:04] [INFO ] Computed 21 invariants in 2 ms
[2024-05-27 13:38:04] [INFO ] Implicit Places using invariants in 32 ms returned []
[2024-05-27 13:38:04] [INFO ] Invariant cache hit.
[2024-05-27 13:38:05] [INFO ] Implicit Places using invariants and state equation in 70 ms returned []
Implicit Place search using SMT with State Equation took 104 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 46/70 places, 50/60 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 383 ms. Remains : 46/70 places, 50/60 transitions.
Support contains 35 out of 46 places after structural reductions.
[2024-05-27 13:38:05] [INFO ] Flatten gal took : 28 ms
[2024-05-27 13:38:05] [INFO ] Flatten gal took : 12 ms
[2024-05-27 13:38:05] [INFO ] Input system was already deterministic with 50 transitions.
Support contains 32 out of 46 places (down from 35) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 27 to 26
RANDOM walk for 37454 steps (8 resets) in 1157 ms. (32 steps per ms) remains 0/26 properties
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||X((p1||X(F(p2))))))'
Support contains 13 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 40 transition count 44
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 40 transition count 44
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 18 place count 40 transition count 38
Applied a total of 18 rules in 3 ms. Remains 40 /46 variables (removed 6) and now considering 38/50 (removed 12) transitions.
// Phase 1: matrix 38 rows 40 cols
[2024-05-27 13:38:06] [INFO ] Computed 21 invariants in 3 ms
[2024-05-27 13:38:06] [INFO ] Implicit Places using invariants in 46 ms returned [2, 3, 4, 5, 6, 7, 8, 33, 39]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 48 ms to find 9 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 31/46 places, 38/50 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 24 transition count 31
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 24 transition count 31
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 21 place count 24 transition count 24
Applied a total of 21 rules in 2 ms. Remains 24 /31 variables (removed 7) and now considering 24/38 (removed 14) transitions.
// Phase 1: matrix 24 rows 24 cols
[2024-05-27 13:38:06] [INFO ] Computed 12 invariants in 0 ms
[2024-05-27 13:38:06] [INFO ] Implicit Places using invariants in 22 ms returned []
[2024-05-27 13:38:06] [INFO ] Invariant cache hit.
[2024-05-27 13:38:06] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 24/46 places, 24/50 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 103 ms. Remains : 24/46 places, 24/50 transitions.
Stuttering acceptance computed with spot in 441 ms :[(AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : RwMutex-PT-r0010w0020-LTLFireability-00
Product exploration explored 100000 steps with 8465 reset in 250 ms.
Stack based approach found an accepted trace after 12 steps with 1 reset with depth 9 and stack size 9 in 0 ms.
FORMULA RwMutex-PT-r0010w0020-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property RwMutex-PT-r0010w0020-LTLFireability-00 finished in 877 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U X(G(!p1))))'
Support contains 14 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 41 transition count 45
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 41 transition count 45
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 15 place count 41 transition count 40
Applied a total of 15 rules in 5 ms. Remains 41 /46 variables (removed 5) and now considering 40/50 (removed 10) transitions.
// Phase 1: matrix 40 rows 41 cols
[2024-05-27 13:38:07] [INFO ] Computed 21 invariants in 3 ms
[2024-05-27 13:38:07] [INFO ] Implicit Places using invariants in 45 ms returned [1, 2, 3, 4, 5, 8, 17, 40]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 47 ms to find 8 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 33/46 places, 40/50 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 27 transition count 34
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 27 transition count 34
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 18 place count 27 transition count 28
Applied a total of 18 rules in 1 ms. Remains 27 /33 variables (removed 6) and now considering 28/40 (removed 12) transitions.
// Phase 1: matrix 28 rows 27 cols
[2024-05-27 13:38:07] [INFO ] Computed 13 invariants in 1 ms
[2024-05-27 13:38:07] [INFO ] Implicit Places using invariants in 35 ms returned []
[2024-05-27 13:38:07] [INFO ] Invariant cache hit.
[2024-05-27 13:38:07] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 27/46 places, 28/50 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 129 ms. Remains : 27/46 places, 28/50 transitions.
Stuttering acceptance computed with spot in 204 ms :[p1, (AND p1 (NOT p0)), p1, true, (AND (NOT p1) (NOT p0))]
Running random walk in product with property : RwMutex-PT-r0010w0020-LTLFireability-01
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA RwMutex-PT-r0010w0020-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RwMutex-PT-r0010w0020-LTLFireability-01 finished in 354 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 1 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 40 transition count 44
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 40 transition count 44
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 18 place count 40 transition count 38
Applied a total of 18 rules in 5 ms. Remains 40 /46 variables (removed 6) and now considering 38/50 (removed 12) transitions.
// Phase 1: matrix 38 rows 40 cols
[2024-05-27 13:38:07] [INFO ] Computed 21 invariants in 1 ms
[2024-05-27 13:38:07] [INFO ] Implicit Places using invariants in 47 ms returned [1, 2, 3, 4, 5, 6, 7, 8, 17, 33, 39]
Discarding 11 places :
Implicit Place search using SMT only with invariants took 48 ms to find 11 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 29/46 places, 38/50 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 21 transition count 30
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 21 transition count 30
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 24 place count 21 transition count 22
Applied a total of 24 rules in 2 ms. Remains 21 /29 variables (removed 8) and now considering 22/38 (removed 16) transitions.
// Phase 1: matrix 22 rows 21 cols
[2024-05-27 13:38:07] [INFO ] Computed 10 invariants in 0 ms
[2024-05-27 13:38:07] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-05-27 13:38:07] [INFO ] Invariant cache hit.
[2024-05-27 13:38:07] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 21/46 places, 22/50 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 111 ms. Remains : 21/46 places, 22/50 transitions.
Stuttering acceptance computed with spot in 92 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : RwMutex-PT-r0010w0020-LTLFireability-02
Product exploration explored 100000 steps with 8911 reset in 177 ms.
Stack based approach found an accepted trace after 10 steps with 0 reset with depth 11 and stack size 11 in 0 ms.
FORMULA RwMutex-PT-r0010w0020-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property RwMutex-PT-r0010w0020-LTLFireability-02 finished in 394 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G((G(F(p1)) U p2))))))'
Support contains 3 out of 46 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Graph (trivial) has 14 edges and 46 vertex of which 14 / 46 are part of one of the 7 SCC in 4 ms
Free SCC test removed 7 places
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 39 transition count 41
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 7 place count 35 transition count 41
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 13 place count 29 transition count 35
Iterating global reduction 2 with 6 rules applied. Total rules applied 19 place count 29 transition count 35
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 25 place count 29 transition count 29
Applied a total of 25 rules in 28 ms. Remains 29 /46 variables (removed 17) and now considering 29/50 (removed 21) transitions.
[2024-05-27 13:38:07] [INFO ] Flow matrix only has 21 transitions (discarded 8 similar events)
// Phase 1: matrix 21 rows 29 cols
[2024-05-27 13:38:07] [INFO ] Computed 19 invariants in 0 ms
[2024-05-27 13:38:07] [INFO ] Implicit Places using invariants in 36 ms returned [1, 2, 3, 4, 5, 6, 7, 8]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 43 ms to find 8 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 21/46 places, 29/50 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 14 transition count 22
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 14 transition count 22
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 21 place count 14 transition count 15
Applied a total of 21 rules in 4 ms. Remains 14 /21 variables (removed 7) and now considering 15/29 (removed 14) transitions.
[2024-05-27 13:38:07] [INFO ] Flow matrix only has 7 transitions (discarded 8 similar events)
// Phase 1: matrix 7 rows 14 cols
[2024-05-27 13:38:07] [INFO ] Computed 11 invariants in 1 ms
[2024-05-27 13:38:07] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-05-27 13:38:07] [INFO ] Flow matrix only has 7 transitions (discarded 8 similar events)
[2024-05-27 13:38:07] [INFO ] Invariant cache hit.
[2024-05-27 13:38:07] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 14/46 places, 15/50 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 130 ms. Remains : 14/46 places, 15/50 transitions.
Stuttering acceptance computed with spot in 230 ms :[(OR (NOT p0) (NOT p2)), (NOT p0), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : RwMutex-PT-r0010w0020-LTLFireability-03
Stuttering criterion allowed to conclude after 8 steps with 0 reset in 0 ms.
FORMULA RwMutex-PT-r0010w0020-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RwMutex-PT-r0010w0020-LTLFireability-03 finished in 382 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 46 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Graph (trivial) has 14 edges and 46 vertex of which 14 / 46 are part of one of the 7 SCC in 0 ms
Free SCC test removed 7 places
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 17 transitions
Trivial Post-agglo rules discarded 17 transitions
Performed 17 trivial Post agglomeration. Transition count delta: 17
Iterating post reduction 0 with 17 rules applied. Total rules applied 18 place count 39 transition count 26
Reduce places removed 27 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 1 with 40 rules applied. Total rules applied 58 place count 12 transition count 13
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 59 place count 12 transition count 12
Applied a total of 59 rules in 10 ms. Remains 12 /46 variables (removed 34) and now considering 12/50 (removed 38) transitions.
[2024-05-27 13:38:08] [INFO ] Flow matrix only has 3 transitions (discarded 9 similar events)
// Phase 1: matrix 3 rows 12 cols
[2024-05-27 13:38:08] [INFO ] Computed 11 invariants in 0 ms
[2024-05-27 13:38:08] [INFO ] Implicit Places using invariants in 22 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 24 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 11/46 places, 12/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 11 /11 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 35 ms. Remains : 11/46 places, 12/50 transitions.
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : RwMutex-PT-r0010w0020-LTLFireability-04
Product exploration explored 100000 steps with 14322 reset in 166 ms.
Product exploration explored 100000 steps with 14339 reset in 106 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 : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 212 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F (NOT p0))]
Knowledge based reduction with 1 factoid took 222 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 87 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Support contains 1 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.
[2024-05-27 13:38:09] [INFO ] Flow matrix only has 3 transitions (discarded 9 similar events)
// Phase 1: matrix 3 rows 11 cols
[2024-05-27 13:38:09] [INFO ] Computed 10 invariants in 0 ms
[2024-05-27 13:38:09] [INFO ] Implicit Places using invariants in 18 ms returned []
[2024-05-27 13:38:09] [INFO ] Flow matrix only has 3 transitions (discarded 9 similar events)
[2024-05-27 13:38:09] [INFO ] Invariant cache hit.
[2024-05-27 13:38:09] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2024-05-27 13:38:09] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2024-05-27 13:38:09] [INFO ] Flow matrix only has 3 transitions (discarded 9 similar events)
[2024-05-27 13:38:09] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/13 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/13 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/14 variables, and 21 constraints, problems are : Problem set: 0 solved, 1 unsolved in 51 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/13 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/14 variables, and 22 constraints, problems are : Problem set: 0 solved, 1 unsolved in 46 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 113ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 121ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 172 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 : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 175 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 85 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F (NOT p0))]
Knowledge based reduction with 1 factoid took 186 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 62 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 83 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 14316 reset in 70 ms.
Product exploration explored 100000 steps with 14215 reset in 71 ms.
Built C files in :
/tmp/ltsmin15236935768594468010
[2024-05-27 13:38:10] [INFO ] Computing symmetric may disable matrix : 12 transitions.
[2024-05-27 13:38:10] [INFO ] Computation of Complete disable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2024-05-27 13:38:10] [INFO ] Computing symmetric may enable matrix : 12 transitions.
[2024-05-27 13:38:10] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2024-05-27 13:38:10] [INFO ] Computing Do-Not-Accords matrix : 12 transitions.
[2024-05-27 13:38:10] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2024-05-27 13:38:10] [INFO ] Built C files in 12ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15236935768594468010
Running compilation step : cd /tmp/ltsmin15236935768594468010;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 220 ms.
Running link step : cd /tmp/ltsmin15236935768594468010;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 45 ms.
Running LTSmin : cd /tmp/ltsmin15236935768594468010;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased4890720166036701690.hoa' '--buchi-type=spotba'
LTSmin run took 212 ms.
FORMULA RwMutex-PT-r0010w0020-LTLFireability-04 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property RwMutex-PT-r0010w0020-LTLFireability-04 finished in 2638 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((X(((p1||X(X(G(p2)))) U p2))||p0)))))'
Support contains 12 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 41 transition count 45
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 41 transition count 45
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 15 place count 41 transition count 40
Applied a total of 15 rules in 3 ms. Remains 41 /46 variables (removed 5) and now considering 40/50 (removed 10) transitions.
// Phase 1: matrix 40 rows 41 cols
[2024-05-27 13:38:10] [INFO ] Computed 21 invariants in 2 ms
[2024-05-27 13:38:10] [INFO ] Implicit Places using invariants in 35 ms returned [2, 3, 4, 5, 6, 7, 8, 17, 33, 40]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 36 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 31/46 places, 40/50 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 24 transition count 33
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 24 transition count 33
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 21 place count 24 transition count 26
Applied a total of 21 rules in 1 ms. Remains 24 /31 variables (removed 7) and now considering 26/40 (removed 14) transitions.
// Phase 1: matrix 26 rows 24 cols
[2024-05-27 13:38:10] [INFO ] Computed 11 invariants in 2 ms
[2024-05-27 13:38:10] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-05-27 13:38:10] [INFO ] Invariant cache hit.
[2024-05-27 13:38:10] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 24/46 places, 26/50 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 99 ms. Remains : 24/46 places, 26/50 transitions.
Stuttering acceptance computed with spot in 397 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), true, (AND (NOT p0) (NOT p2)), (NOT p2)]
Running random walk in product with property : RwMutex-PT-r0010w0020-LTLFireability-05
Product exploration explored 100000 steps with 25000 reset in 110 ms.
Product exploration explored 100000 steps with 25000 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 (NOT p0) (NOT p2) p1)]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 81 ms. Reduced automaton from 8 states, 10 edges and 3 AP (stutter sensitive) to 8 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 281 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), true, (AND (NOT p0) (NOT p2))]
RANDOM walk for 33335 steps (7 resets) in 117 ms. (282 steps per ms) remains 0/5 properties
Knowledge obtained : [(AND (NOT p0) (NOT p2) p1)]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (AND p1 (NOT p2)))), (F p2), (F p0), (F (NOT (OR p1 p2)))]
Knowledge based reduction with 1 factoid took 228 ms. Reduced automaton from 8 states, 10 edges and 3 AP (stutter sensitive) to 8 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 276 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), true, (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 294 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), true, (AND (NOT p0) (NOT p2))]
[2024-05-27 13:38:12] [INFO ] Invariant cache hit.
[2024-05-27 13:38:12] [INFO ] [Real]Absence check using 11 positive place invariants in 1 ms returned sat
[2024-05-27 13:38:12] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-27 13:38:12] [INFO ] Computed and/alt/rep : 13/13/13 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-27 13:38:12] [INFO ] Added : 0 causal constraints over 0 iterations in 8 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Support contains 12 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 26/26 transitions.
Applied a total of 0 rules in 0 ms. Remains 24 /24 variables (removed 0) and now considering 26/26 (removed 0) transitions.
[2024-05-27 13:38:12] [INFO ] Invariant cache hit.
[2024-05-27 13:38:12] [INFO ] Implicit Places using invariants in 17 ms returned []
[2024-05-27 13:38:12] [INFO ] Invariant cache hit.
[2024-05-27 13:38:12] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Running 13 sub problems to find dead transitions.
[2024-05-27 13:38:12] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 11/24 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 26/50 variables, 24/35 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 0/50 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 50/50 variables, and 35 constraints, problems are : Problem set: 0 solved, 13 unsolved in 235 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 11/24 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 26/50 variables, 24/35 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 13/48 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (OVERLAPS) 0/50 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 50/50 variables, and 48 constraints, problems are : Problem set: 0 solved, 13 unsolved in 141 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints]
After SMT, in 381ms problems are : Problem set: 0 solved, 13 unsolved
Search for dead transitions found 0 dead transitions in 381ms
Finished structural reductions in LTL mode , in 1 iterations and 444 ms. Remains : 24/24 places, 26/26 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 (NOT p2))]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 90 ms. Reduced automaton from 8 states, 10 edges and 3 AP (stutter sensitive) to 8 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 326 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), true, (AND (NOT p0) (NOT p2))]
RANDOM walk for 15583 steps (3 resets) in 44 ms. (346 steps per ms) remains 0/5 properties
Knowledge obtained : [(AND (NOT p0) p1 (NOT p2))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (AND p1 (NOT p2)))), (F p2), (F p0), (F (NOT (OR p1 p2)))]
Knowledge based reduction with 1 factoid took 187 ms. Reduced automaton from 8 states, 10 edges and 3 AP (stutter sensitive) to 8 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 319 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), true, (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 331 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), true, (AND (NOT p0) (NOT p2))]
[2024-05-27 13:38:14] [INFO ] Invariant cache hit.
[2024-05-27 13:38:14] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2024-05-27 13:38:14] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-05-27 13:38:14] [INFO ] Computed and/alt/rep : 13/13/13 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-27 13:38:14] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p2))
Stuttering acceptance computed with spot in 274 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), true, (AND (NOT p0) (NOT p2))]
Product exploration explored 100000 steps with 25000 reset in 97 ms.
Product exploration explored 100000 steps with 25000 reset in 117 ms.
Applying partial POR strategy [false, false, false, true, false, false, true, false]
Stuttering acceptance computed with spot in 286 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p2), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), true, (AND (NOT p0) (NOT p2))]
Support contains 12 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 26/26 transitions.
Applied a total of 0 rules in 3 ms. Remains 24 /24 variables (removed 0) and now considering 26/26 (removed 0) transitions.
[2024-05-27 13:38:15] [INFO ] Redundant transitions in 0 ms returned []
Running 13 sub problems to find dead transitions.
[2024-05-27 13:38:15] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 11/24 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 26/50 variables, 24/35 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 0/50 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 50/50 variables, and 35 constraints, problems are : Problem set: 0 solved, 13 unsolved in 93 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 11/24 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 26/50 variables, 24/35 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 13/48 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (OVERLAPS) 0/50 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 50/50 variables, and 48 constraints, problems are : Problem set: 0 solved, 13 unsolved in 95 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints]
After SMT, in 193ms problems are : Problem set: 0 solved, 13 unsolved
Search for dead transitions found 0 dead transitions in 193ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 206 ms. Remains : 24/24 places, 26/26 transitions.
Built C files in :
/tmp/ltsmin15095678458533037158
[2024-05-27 13:38:15] [INFO ] Built C files in 3ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15095678458533037158
Running compilation step : cd /tmp/ltsmin15095678458533037158;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 126 ms.
Running link step : cd /tmp/ltsmin15095678458533037158;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 33 ms.
Running LTSmin : cd /tmp/ltsmin15095678458533037158;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202405141337/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased17562430434304811285.hoa' '--buchi-type=spotba'
LTSmin run took 456 ms.
FORMULA RwMutex-PT-r0010w0020-LTLFireability-05 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property RwMutex-PT-r0010w0020-LTLFireability-05 finished in 5675 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((!p0 U (p1||G(!p0))))))'
Support contains 12 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 40 transition count 44
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 40 transition count 44
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 18 place count 40 transition count 38
Applied a total of 18 rules in 1 ms. Remains 40 /46 variables (removed 6) and now considering 38/50 (removed 12) transitions.
// Phase 1: matrix 38 rows 40 cols
[2024-05-27 13:38:16] [INFO ] Computed 21 invariants in 1 ms
[2024-05-27 13:38:16] [INFO ] Implicit Places using invariants in 49 ms returned [1, 2, 3, 5, 6, 7, 17, 33, 39]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 49 ms to find 9 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 31/46 places, 38/50 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 25 transition count 32
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 25 transition count 32
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 18 place count 25 transition count 26
Applied a total of 18 rules in 1 ms. Remains 25 /31 variables (removed 6) and now considering 26/38 (removed 12) transitions.
// Phase 1: matrix 26 rows 25 cols
[2024-05-27 13:38:16] [INFO ] Computed 12 invariants in 1 ms
[2024-05-27 13:38:16] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-05-27 13:38:16] [INFO ] Invariant cache hit.
[2024-05-27 13:38:16] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 25/46 places, 26/50 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 103 ms. Remains : 25/46 places, 26/50 transitions.
Stuttering acceptance computed with spot in 84 ms :[(AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : RwMutex-PT-r0010w0020-LTLFireability-06
Product exploration explored 100000 steps with 50000 reset in 111 ms.
Product exploration explored 100000 steps with 50000 reset in 134 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 p1) p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND (NOT p1) p0))), (X (NOT p0)), (X p1), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
False Knowledge obtained : [(X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 6 factoid took 12 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA RwMutex-PT-r0010w0020-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property RwMutex-PT-r0010w0020-LTLFireability-06 finished in 467 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 11 out of 46 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 40 transition count 44
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 40 transition count 44
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 18 place count 40 transition count 38
Applied a total of 18 rules in 4 ms. Remains 40 /46 variables (removed 6) and now considering 38/50 (removed 12) transitions.
// Phase 1: matrix 38 rows 40 cols
[2024-05-27 13:38:16] [INFO ] Computed 21 invariants in 0 ms
[2024-05-27 13:38:16] [INFO ] Implicit Places using invariants in 28 ms returned [1, 2, 3, 4, 5, 6, 7, 17, 33, 39]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 28 ms to find 10 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 30/46 places, 38/50 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 23 transition count 31
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 23 transition count 31
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 21 place count 23 transition count 24
Applied a total of 21 rules in 2 ms. Remains 23 /30 variables (removed 7) and now considering 24/38 (removed 14) transitions.
// Phase 1: matrix 24 rows 23 cols
[2024-05-27 13:38:16] [INFO ] Computed 11 invariants in 1 ms
[2024-05-27 13:38:16] [INFO ] Implicit Places using invariants in 24 ms returned []
[2024-05-27 13:38:16] [INFO ] Invariant cache hit.
[2024-05-27 13:38:17] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 23/46 places, 24/50 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 91 ms. Remains : 23/46 places, 24/50 transitions.
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : RwMutex-PT-r0010w0020-LTLFireability-07
Product exploration explored 100000 steps with 0 reset in 135 ms.
Stack based approach found an accepted trace after 1 steps with 0 reset with depth 2 and stack size 2 in 0 ms.
FORMULA RwMutex-PT-r0010w0020-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property RwMutex-PT-r0010w0020-LTLFireability-07 finished in 273 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 1 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 41 transition count 45
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 41 transition count 45
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 15 place count 41 transition count 40
Applied a total of 15 rules in 3 ms. Remains 41 /46 variables (removed 5) and now considering 40/50 (removed 10) transitions.
// Phase 1: matrix 40 rows 41 cols
[2024-05-27 13:38:17] [INFO ] Computed 21 invariants in 0 ms
[2024-05-27 13:38:17] [INFO ] Implicit Places using invariants in 50 ms returned [1, 2, 3, 4, 5, 6, 7, 8, 17, 34, 40]
Discarding 11 places :
Implicit Place search using SMT only with invariants took 52 ms to find 11 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 30/46 places, 40/50 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 22 transition count 32
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 22 transition count 32
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 24 place count 22 transition count 24
Applied a total of 24 rules in 1 ms. Remains 22 /30 variables (removed 8) and now considering 24/40 (removed 16) transitions.
// Phase 1: matrix 24 rows 22 cols
[2024-05-27 13:38:17] [INFO ] Computed 10 invariants in 1 ms
[2024-05-27 13:38:17] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-05-27 13:38:17] [INFO ] Invariant cache hit.
[2024-05-27 13:38:17] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 22/46 places, 24/50 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 117 ms. Remains : 22/46 places, 24/50 transitions.
Stuttering acceptance computed with spot in 85 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : RwMutex-PT-r0010w0020-LTLFireability-08
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA RwMutex-PT-r0010w0020-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RwMutex-PT-r0010w0020-LTLFireability-08 finished in 217 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||(X(!p0)&&F(!p1))||X(G(!p0)))))'
Support contains 3 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 40 transition count 44
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 40 transition count 44
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 18 place count 40 transition count 38
Applied a total of 18 rules in 3 ms. Remains 40 /46 variables (removed 6) and now considering 38/50 (removed 12) transitions.
// Phase 1: matrix 38 rows 40 cols
[2024-05-27 13:38:17] [INFO ] Computed 21 invariants in 1 ms
[2024-05-27 13:38:17] [INFO ] Implicit Places using invariants in 47 ms returned [1, 2, 3, 4, 5, 6, 7, 8, 17, 33]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 48 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 30/46 places, 38/50 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 23 transition count 31
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 23 transition count 31
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 21 place count 23 transition count 24
Applied a total of 21 rules in 1 ms. Remains 23 /30 variables (removed 7) and now considering 24/38 (removed 14) transitions.
// Phase 1: matrix 24 rows 23 cols
[2024-05-27 13:38:17] [INFO ] Computed 11 invariants in 1 ms
[2024-05-27 13:38:17] [INFO ] Implicit Places using invariants in 19 ms returned []
[2024-05-27 13:38:17] [INFO ] Invariant cache hit.
[2024-05-27 13:38:17] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 23/46 places, 24/50 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 99 ms. Remains : 23/46 places, 24/50 transitions.
Stuttering acceptance computed with spot in 197 ms :[false, false, p0, (AND p1 p0), true, p1]
Running random walk in product with property : RwMutex-PT-r0010w0020-LTLFireability-09
Product exploration explored 100000 steps with 16327 reset in 115 ms.
Product exploration explored 100000 steps with 16050 reset in 126 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 (X (NOT (AND p0 p1)))), (X (X (NOT p0)))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (AND (NOT p0) p1)), (X (NOT (AND (NOT p0) p1))), (X p1), (X (NOT p1)), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 3 factoid took 310 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 145 ms :[p1, false, false, (AND p1 p0)]
RANDOM walk for 40000 steps (8 resets) in 138 ms. (287 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 203 ms. (196 steps per ms) remains 1/1 properties
[2024-05-27 13:38:18] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf1 is UNSAT
After SMT solving in domain Real declared 23/47 variables, and 11 constraints, problems are : Problem set: 1 solved, 0 unsolved in 19 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 0/23 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 27ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) p1), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (G (OR (NOT p1) (NOT p0)))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (AND (NOT p0) p1)), (X (NOT (AND (NOT p0) p1))), (X p1), (X (NOT p1)), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p1)), (X (X (NOT p1))), (F (NOT p1)), (F (NOT (AND p1 (NOT p0)))), (F p0)]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 10 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA RwMutex-PT-r0010w0020-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property RwMutex-PT-r0010w0020-LTLFireability-09 finished in 1161 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0||(X(G(p0)) U G(p1))))))'
Support contains 12 out of 46 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 41 transition count 45
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 41 transition count 45
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 15 place count 41 transition count 40
Applied a total of 15 rules in 9 ms. Remains 41 /46 variables (removed 5) and now considering 40/50 (removed 10) transitions.
// Phase 1: matrix 40 rows 41 cols
[2024-05-27 13:38:18] [INFO ] Computed 21 invariants in 1 ms
[2024-05-27 13:38:18] [INFO ] Implicit Places using invariants in 42 ms returned [1, 2, 3, 4, 6, 7, 8, 17, 33, 40]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 43 ms to find 10 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 31/46 places, 40/50 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 24 transition count 33
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 24 transition count 33
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 21 place count 24 transition count 26
Applied a total of 21 rules in 3 ms. Remains 24 /31 variables (removed 7) and now considering 26/40 (removed 14) transitions.
// Phase 1: matrix 26 rows 24 cols
[2024-05-27 13:38:18] [INFO ] Computed 11 invariants in 0 ms
[2024-05-27 13:38:18] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-05-27 13:38:18] [INFO ] Invariant cache hit.
[2024-05-27 13:38:18] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 24/46 places, 26/50 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 109 ms. Remains : 24/46 places, 26/50 transitions.
Stuttering acceptance computed with spot in 68 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : RwMutex-PT-r0010w0020-LTLFireability-10
Product exploration explored 100000 steps with 11 reset in 137 ms.
Stack based approach found an accepted trace after 4 steps with 0 reset with depth 5 and stack size 5 in 0 ms.
FORMULA RwMutex-PT-r0010w0020-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property RwMutex-PT-r0010w0020-LTLFireability-10 finished in 327 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||G((p1&&X(p2)))))'
Support contains 12 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 40 transition count 44
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 40 transition count 44
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 18 place count 40 transition count 38
Applied a total of 18 rules in 4 ms. Remains 40 /46 variables (removed 6) and now considering 38/50 (removed 12) transitions.
// Phase 1: matrix 38 rows 40 cols
[2024-05-27 13:38:18] [INFO ] Computed 21 invariants in 0 ms
[2024-05-27 13:38:18] [INFO ] Implicit Places using invariants in 39 ms returned [2, 3, 4, 5, 6, 7, 8, 17, 33, 39]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 41 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 30/46 places, 38/50 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 23 transition count 31
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 23 transition count 31
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 21 place count 23 transition count 24
Applied a total of 21 rules in 2 ms. Remains 23 /30 variables (removed 7) and now considering 24/38 (removed 14) transitions.
// Phase 1: matrix 24 rows 23 cols
[2024-05-27 13:38:18] [INFO ] Computed 11 invariants in 1 ms
[2024-05-27 13:38:18] [INFO ] Implicit Places using invariants in 22 ms returned []
[2024-05-27 13:38:18] [INFO ] Invariant cache hit.
[2024-05-27 13:38:19] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 23/46 places, 24/50 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 103 ms. Remains : 23/46 places, 24/50 transitions.
Stuttering acceptance computed with spot in 171 ms :[true, (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p2) (NOT p1)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0)]
Running random walk in product with property : RwMutex-PT-r0010w0020-LTLFireability-11
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA RwMutex-PT-r0010w0020-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RwMutex-PT-r0010w0020-LTLFireability-11 finished in 299 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 46 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Graph (trivial) has 14 edges and 46 vertex of which 14 / 46 are part of one of the 7 SCC in 0 ms
Free SCC test removed 7 places
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 17 transitions
Trivial Post-agglo rules discarded 17 transitions
Performed 17 trivial Post agglomeration. Transition count delta: 17
Iterating post reduction 0 with 17 rules applied. Total rules applied 18 place count 39 transition count 26
Reduce places removed 28 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 1 with 41 rules applied. Total rules applied 59 place count 11 transition count 13
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 60 place count 11 transition count 12
Applied a total of 60 rules in 4 ms. Remains 11 /46 variables (removed 35) and now considering 12/50 (removed 38) transitions.
[2024-05-27 13:38:19] [INFO ] Flow matrix only has 3 transitions (discarded 9 similar events)
// Phase 1: matrix 3 rows 11 cols
[2024-05-27 13:38:19] [INFO ] Computed 10 invariants in 1 ms
[2024-05-27 13:38:19] [INFO ] Implicit Places using invariants in 22 ms returned []
[2024-05-27 13:38:19] [INFO ] Flow matrix only has 3 transitions (discarded 9 similar events)
[2024-05-27 13:38:19] [INFO ] Invariant cache hit.
[2024-05-27 13:38:19] [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.
[2024-05-27 13:38:19] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2024-05-27 13:38:19] [INFO ] Flow matrix only has 3 transitions (discarded 9 similar events)
[2024-05-27 13:38:19] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/13 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/13 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/14 variables, and 21 constraints, problems are : Problem set: 0 solved, 1 unsolved in 36 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/13 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/14 variables, and 22 constraints, problems are : Problem set: 0 solved, 1 unsolved in 26 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 65ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 65ms
Starting structural reductions in SI_LTL mode, iteration 1 : 11/46 places, 12/50 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 122 ms. Remains : 11/46 places, 12/50 transitions.
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
Running random walk in product with property : RwMutex-PT-r0010w0020-LTLFireability-12
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA RwMutex-PT-r0010w0020-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RwMutex-PT-r0010w0020-LTLFireability-12 finished in 183 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G((p0&&((!p1&&X((!p1 U (!p2||G(!p1))))) U (G((!p1&&X((!p1 U (!p2||G(!p1))))))||(X((!p1 U (!p2||G(!p1))))&&p3)))))))))'
Support contains 5 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 41 transition count 45
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 41 transition count 45
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 15 place count 41 transition count 40
Applied a total of 15 rules in 2 ms. Remains 41 /46 variables (removed 5) and now considering 40/50 (removed 10) transitions.
// Phase 1: matrix 40 rows 41 cols
[2024-05-27 13:38:19] [INFO ] Computed 21 invariants in 1 ms
[2024-05-27 13:38:19] [INFO ] Implicit Places using invariants in 58 ms returned [1, 2, 3, 4, 5, 6, 7, 8, 33, 40]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 67 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 31/46 places, 40/50 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 24 transition count 33
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 24 transition count 33
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 21 place count 24 transition count 26
Applied a total of 21 rules in 1 ms. Remains 24 /31 variables (removed 7) and now considering 26/40 (removed 14) transitions.
// Phase 1: matrix 26 rows 24 cols
[2024-05-27 13:38:19] [INFO ] Computed 11 invariants in 1 ms
[2024-05-27 13:38:19] [INFO ] Implicit Places using invariants in 19 ms returned []
[2024-05-27 13:38:19] [INFO ] Invariant cache hit.
[2024-05-27 13:38:19] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 24/46 places, 26/50 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 129 ms. Remains : 24/46 places, 26/50 transitions.
Stuttering acceptance computed with spot in 264 ms :[true, (OR (NOT p0) (AND p1 (NOT p3)) (AND p1 p2)), (OR (NOT p0) (AND p1 (NOT p3)) (AND p1 p2)), (OR (NOT p0) (AND p1 (NOT p3)) (AND p1 p2)), (OR (NOT p0) (AND p1 (NOT p3)) (AND p1 p2)), (OR (NOT p0) (AND p1 (NOT p3)) (AND p1 p2))]
Running random walk in product with property : RwMutex-PT-r0010w0020-LTLFireability-13
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA RwMutex-PT-r0010w0020-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RwMutex-PT-r0010w0020-LTLFireability-13 finished in 409 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 12 out of 46 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 40 transition count 44
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 40 transition count 44
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 18 place count 40 transition count 38
Applied a total of 18 rules in 4 ms. Remains 40 /46 variables (removed 6) and now considering 38/50 (removed 12) transitions.
// Phase 1: matrix 38 rows 40 cols
[2024-05-27 13:38:19] [INFO ] Computed 21 invariants in 0 ms
[2024-05-27 13:38:19] [INFO ] Implicit Places using invariants in 32 ms returned [1, 3, 4, 5, 6, 8, 17, 33, 39]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 33 ms to find 9 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 31/46 places, 38/50 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 25 transition count 32
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 25 transition count 32
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 18 place count 25 transition count 26
Applied a total of 18 rules in 2 ms. Remains 25 /31 variables (removed 6) and now considering 26/38 (removed 12) transitions.
// Phase 1: matrix 26 rows 25 cols
[2024-05-27 13:38:19] [INFO ] Computed 12 invariants in 0 ms
[2024-05-27 13:38:19] [INFO ] Implicit Places using invariants in 18 ms returned []
[2024-05-27 13:38:19] [INFO ] Invariant cache hit.
[2024-05-27 13:38:19] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 25/46 places, 26/50 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 88 ms. Remains : 25/46 places, 26/50 transitions.
Stuttering acceptance computed with spot in 77 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : RwMutex-PT-r0010w0020-LTLFireability-14
Product exploration explored 100000 steps with 108 reset in 134 ms.
Stack based approach found an accepted trace after 15 steps with 0 reset with depth 16 and stack size 16 in 0 ms.
FORMULA RwMutex-PT-r0010w0020-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property RwMutex-PT-r0010w0020-LTLFireability-14 finished in 318 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X((X(p1) U (p0&&X(p1)))))))'
Support contains 2 out of 46 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 46/46 places, 50/50 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 40 transition count 44
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 40 transition count 44
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 18 place count 40 transition count 38
Applied a total of 18 rules in 2 ms. Remains 40 /46 variables (removed 6) and now considering 38/50 (removed 12) transitions.
// Phase 1: matrix 38 rows 40 cols
[2024-05-27 13:38:20] [INFO ] Computed 21 invariants in 1 ms
[2024-05-27 13:38:20] [INFO ] Implicit Places using invariants in 35 ms returned [1, 2, 3, 4, 5, 6, 7, 8, 17, 33, 39]
Discarding 11 places :
Implicit Place search using SMT only with invariants took 36 ms to find 11 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 29/46 places, 38/50 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 22 transition count 31
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 22 transition count 31
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 21 place count 22 transition count 24
Applied a total of 21 rules in 0 ms. Remains 22 /29 variables (removed 7) and now considering 24/38 (removed 14) transitions.
// Phase 1: matrix 24 rows 22 cols
[2024-05-27 13:38:20] [INFO ] Computed 10 invariants in 0 ms
[2024-05-27 13:38:20] [INFO ] Implicit Places using invariants in 29 ms returned []
[2024-05-27 13:38:20] [INFO ] Invariant cache hit.
[2024-05-27 13:38:20] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 22/46 places, 24/50 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 102 ms. Remains : 22/46 places, 24/50 transitions.
Stuttering acceptance computed with spot in 182 ms :[(NOT p0), (NOT p0), (OR (NOT p1) (NOT p0)), (NOT p1), true]
Running random walk in product with property : RwMutex-PT-r0010w0020-LTLFireability-15
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA RwMutex-PT-r0010w0020-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RwMutex-PT-r0010w0020-LTLFireability-15 finished in 304 ms.
All properties solved by simple procedures.
Total runtime 16103 ms.

BK_STOP 1716817100466

--------------------
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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -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_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -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="RwMutex-PT-r0010w0020"
export BK_EXAMINATION="LTLFireability"
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 2-5568"
echo " Executing tool itstools"
echo " Input is RwMutex-PT-r0010w0020, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r334-tall-171679080000268"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RwMutex-PT-r0010w0020.tgz
mv RwMutex-PT-r0010w0020 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;