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.r496-tall-171640602700100.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 ltsminxred
Input is FlexibleBarrier-PT-16a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r496-tall-171640602700100
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 608K
-rw-r--r-- 1 mcc users 7.2K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 22 14:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Apr 22 14:45 LTLFireability.txt
-rw-r--r-- 1 mcc users 14K Apr 22 14:45 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.8K Apr 13 11:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 88K Apr 13 11:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Apr 13 10:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K Apr 13 10:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:45 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:45 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 214K May 18 16:42 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-00
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-01
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-02
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-03
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-04
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-05
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-06
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-07
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-08
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-09
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-10
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-11
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-12
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-13
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-14
FORMULA_NAME FlexibleBarrier-PT-16a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717183028215

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-16a
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 19:17:09] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-31 19:17:09] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 19:17:09] [INFO ] Load time of PNML (sax parser for PT used): 94 ms
[2024-05-31 19:17:09] [INFO ] Transformed 195 places.
[2024-05-31 19:17:09] [INFO ] Transformed 724 transitions.
[2024-05-31 19:17:09] [INFO ] Found NUPN structural information;
[2024-05-31 19:17:09] [INFO ] Parsed PT model containing 195 places and 724 transitions and 3489 arcs in 193 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Ensure Unique test removed 226 transitions
Reduce redundant transitions removed 226 transitions.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-16a-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 29 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 498/498 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 195 transition count 482
Applied a total of 16 rules in 41 ms. Remains 195 /195 variables (removed 0) and now considering 482/498 (removed 16) transitions.
// Phase 1: matrix 482 rows 195 cols
[2024-05-31 19:17:09] [INFO ] Computed 18 invariants in 9 ms
[2024-05-31 19:17:09] [INFO ] Implicit Places using invariants in 234 ms returned []
[2024-05-31 19:17:09] [INFO ] Invariant cache hit.
[2024-05-31 19:17:10] [INFO ] State equation strengthened by 321 read => feed constraints.
[2024-05-31 19:17:10] [INFO ] Implicit Places using invariants and state equation in 291 ms returned []
Implicit Place search using SMT with State Equation took 553 ms to find 0 implicit places.
Running 481 sub problems to find dead transitions.
[2024-05-31 19:17:10] [INFO ] Invariant cache hit.
[2024-05-31 19:17:10] [INFO ] State equation strengthened by 321 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/194 variables, 194/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/194 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/195 variables, 18/212 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/677 variables, 195/408 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/677 variables, 321/729 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/677 variables, 0/729 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 8 (OVERLAPS) 0/677 variables, 0/729 constraints. Problems are: Problem set: 0 solved, 481 unsolved
No progress, stopping.
After SMT solving in domain Real declared 677/677 variables, and 729 constraints, problems are : Problem set: 0 solved, 481 unsolved in 21620 ms.
Refiners :[Domain max(s): 195/195 constraints, Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 195/195 constraints, ReadFeed: 321/321 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 481 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/194 variables, 194/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/194 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/195 variables, 18/212 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/677 variables, 195/408 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/677 variables, 321/729 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/677 variables, 481/1210 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/677 variables, 0/1210 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 9 (OVERLAPS) 0/677 variables, 0/1210 constraints. Problems are: Problem set: 0 solved, 481 unsolved
No progress, stopping.
After SMT solving in domain Int declared 677/677 variables, and 1210 constraints, problems are : Problem set: 0 solved, 481 unsolved in 20849 ms.
Refiners :[Domain max(s): 195/195 constraints, Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 195/195 constraints, ReadFeed: 321/321 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints]
After SMT, in 42871ms problems are : Problem set: 0 solved, 481 unsolved
Search for dead transitions found 0 dead transitions in 42892ms
Starting structural reductions in LTL mode, iteration 1 : 195/195 places, 482/498 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 43511 ms. Remains : 195/195 places, 482/498 transitions.
Support contains 29 out of 195 places after structural reductions.
[2024-05-31 19:17:53] [INFO ] Flatten gal took : 50 ms
[2024-05-31 19:17:53] [INFO ] Flatten gal took : 25 ms
[2024-05-31 19:17:53] [INFO ] Input system was already deterministic with 482 transitions.
Reduction of identical properties reduced properties to check from 26 to 25
RANDOM walk for 3583 steps (0 resets) in 294 ms. (12 steps per ms) remains 0/25 properties
Computed a total of 3 stabilizing places and 1 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(F((p0||G(p1)))))'
Support contains 5 out of 195 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Graph (trivial) has 150 edges and 195 vertex of which 36 / 195 are part of one of the 12 SCC in 2 ms
Free SCC test removed 24 places
Ensure Unique test removed 79 transitions
Reduce isomorphic transitions removed 79 transitions.
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 0 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 0 with 96 rules applied. Total rules applied 97 place count 123 transition count 355
Drop transitions (Redundant composition of simpler transitions.) removed 158 transitions
Redundant transition composition rules discarded 158 transitions
Iterating global reduction 0 with 158 rules applied. Total rules applied 255 place count 123 transition count 197
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 257 place count 123 transition count 197
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 259 place count 121 transition count 195
Iterating global reduction 0 with 2 rules applied. Total rules applied 261 place count 121 transition count 195
Applied a total of 261 rules in 72 ms. Remains 121 /195 variables (removed 74) and now considering 195/482 (removed 287) transitions.
[2024-05-31 19:17:53] [INFO ] Flow matrix only has 168 transitions (discarded 27 similar events)
// Phase 1: matrix 168 rows 121 cols
[2024-05-31 19:17:54] [INFO ] Computed 18 invariants in 1 ms
[2024-05-31 19:17:54] [INFO ] Implicit Places using invariants in 96 ms returned [120]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 98 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 120/195 places, 195/482 transitions.
Graph (trivial) has 156 edges and 120 vertex of which 36 / 120 are part of one of the 12 SCC in 1 ms
Free SCC test removed 24 places
Ensure Unique test removed 48 transitions
Reduce isomorphic transitions removed 48 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 96 transition count 131
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 33 place count 80 transition count 131
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 33 place count 80 transition count 115
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 65 place count 64 transition count 115
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 105 place count 44 transition count 95
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 2 with 16 rules applied. Total rules applied 121 place count 44 transition count 79
Applied a total of 121 rules in 18 ms. Remains 44 /120 variables (removed 76) and now considering 79/195 (removed 116) transitions.
[2024-05-31 19:17:54] [INFO ] Flow matrix only has 60 transitions (discarded 19 similar events)
// Phase 1: matrix 60 rows 44 cols
[2024-05-31 19:17:54] [INFO ] Computed 17 invariants in 0 ms
[2024-05-31 19:17:54] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-05-31 19:17:54] [INFO ] Flow matrix only has 60 transitions (discarded 19 similar events)
[2024-05-31 19:17:54] [INFO ] Invariant cache hit.
[2024-05-31 19:17:54] [INFO ] State equation strengthened by 29 read => feed constraints.
[2024-05-31 19:17:54] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 44/195 places, 79/482 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 265 ms. Remains : 44/195 places, 79/482 transitions.
Stuttering acceptance computed with spot in 194 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-01
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 2 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-01 finished in 519 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(G(p0))) U ((p2||F(p0))&&p1)))'
Support contains 5 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 7 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
// Phase 1: matrix 482 rows 195 cols
[2024-05-31 19:17:54] [INFO ] Computed 18 invariants in 6 ms
[2024-05-31 19:17:54] [INFO ] Implicit Places using invariants in 109 ms returned [194]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 110 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/195 places, 482/482 transitions.
Applied a total of 0 rules in 2 ms. Remains 194 /194 variables (removed 0) and now considering 482/482 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 120 ms. Remains : 194/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 145 ms :[(OR (NOT p1) (AND (NOT p0) (NOT p2))), (NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-02
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-02 finished in 286 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)||X((p1||X(X(F(p2))))))))'
Support contains 7 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 7 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
[2024-05-31 19:17:54] [INFO ] Invariant cache hit.
[2024-05-31 19:17:54] [INFO ] Implicit Places using invariants in 91 ms returned [194]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 98 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/195 places, 482/482 transitions.
Applied a total of 0 rules in 3 ms. Remains 194 /194 variables (removed 0) and now considering 482/482 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 109 ms. Remains : 194/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 290 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-03
Product exploration explored 100000 steps with 2572 reset in 744 ms.
Stack based approach found an accepted trace after 108 steps with 2 reset with depth 49 and stack size 49 in 1 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-03 finished in 1164 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 3 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 5 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
[2024-05-31 19:17:55] [INFO ] Invariant cache hit.
[2024-05-31 19:17:55] [INFO ] Implicit Places using invariants in 90 ms returned [194]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 92 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/195 places, 482/482 transitions.
Applied a total of 0 rules in 2 ms. Remains 194 /194 variables (removed 0) and now considering 482/482 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 100 ms. Remains : 194/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 70 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-04
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-04 finished in 187 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)||(!p1 U (p2||G(!p1)))))'
Support contains 4 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 5 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
[2024-05-31 19:17:56] [INFO ] Invariant cache hit.
[2024-05-31 19:17:56] [INFO ] Implicit Places using invariants in 69 ms returned []
[2024-05-31 19:17:56] [INFO ] Invariant cache hit.
[2024-05-31 19:17:56] [INFO ] State equation strengthened by 321 read => feed constraints.
[2024-05-31 19:17:56] [INFO ] Implicit Places using invariants and state equation in 245 ms returned []
Implicit Place search using SMT with State Equation took 317 ms to find 0 implicit places.
Running 481 sub problems to find dead transitions.
[2024-05-31 19:17:56] [INFO ] Invariant cache hit.
[2024-05-31 19:17:56] [INFO ] State equation strengthened by 321 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/194 variables, 194/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/194 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/195 variables, 18/212 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/677 variables, 195/408 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/677 variables, 321/729 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/677 variables, 0/729 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 8 (OVERLAPS) 0/677 variables, 0/729 constraints. Problems are: Problem set: 0 solved, 481 unsolved
No progress, stopping.
After SMT solving in domain Real declared 677/677 variables, and 729 constraints, problems are : Problem set: 0 solved, 481 unsolved in 21985 ms.
Refiners :[Domain max(s): 195/195 constraints, Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 195/195 constraints, ReadFeed: 321/321 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 481 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/194 variables, 194/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/194 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/195 variables, 18/212 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/195 variables, 1/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/195 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/677 variables, 195/408 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/677 variables, 321/729 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/677 variables, 481/1210 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/677 variables, 0/1210 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 9 (OVERLAPS) 0/677 variables, 0/1210 constraints. Problems are: Problem set: 0 solved, 481 unsolved
No progress, stopping.
After SMT solving in domain Int declared 677/677 variables, and 1210 constraints, problems are : Problem set: 0 solved, 481 unsolved in 20487 ms.
Refiners :[Domain max(s): 195/195 constraints, Positive P Invariants (semi-flows): 18/18 constraints, State Equation: 195/195 constraints, ReadFeed: 321/321 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints]
After SMT, in 42741ms problems are : Problem set: 0 solved, 481 unsolved
Search for dead transitions found 0 dead transitions in 42749ms
Finished structural reductions in LTL mode , in 1 iterations and 43075 ms. Remains : 195/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 242 ms :[true, (NOT p0), (AND (NOT p0) (NOT p2) p1), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p2) p1)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-05
Entered a terminal (fully accepting) state of product in 1435 steps with 93 reset in 18 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-05 finished in 43357 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 3 out of 195 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Graph (trivial) has 155 edges and 195 vertex of which 42 / 195 are part of one of the 14 SCC in 1 ms
Free SCC test removed 28 places
Ensure Unique test removed 106 transitions
Reduce isomorphic transitions removed 106 transitions.
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 0 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 0 with 96 rules applied. Total rules applied 97 place count 119 transition count 328
Drop transitions (Redundant composition of simpler transitions.) removed 145 transitions
Redundant transition composition rules discarded 145 transitions
Iterating global reduction 0 with 145 rules applied. Total rules applied 242 place count 119 transition count 183
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 243 place count 119 transition count 183
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 244 place count 118 transition count 182
Iterating global reduction 0 with 1 rules applied. Total rules applied 245 place count 118 transition count 182
Applied a total of 245 rules in 32 ms. Remains 118 /195 variables (removed 77) and now considering 182/482 (removed 300) transitions.
[2024-05-31 19:18:39] [INFO ] Flow matrix only has 153 transitions (discarded 29 similar events)
// Phase 1: matrix 153 rows 118 cols
[2024-05-31 19:18:39] [INFO ] Computed 18 invariants in 1 ms
[2024-05-31 19:18:39] [INFO ] Implicit Places using invariants in 79 ms returned [117]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 82 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 117/195 places, 182/482 transitions.
Graph (trivial) has 158 edges and 117 vertex of which 42 / 117 are part of one of the 14 SCC in 1 ms
Free SCC test removed 28 places
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 89 transition count 110
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 33 place count 73 transition count 110
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 33 place count 73 transition count 94
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 65 place count 57 transition count 94
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 101 place count 39 transition count 76
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 2 with 16 rules applied. Total rules applied 117 place count 39 transition count 60
Applied a total of 117 rules in 9 ms. Remains 39 /117 variables (removed 78) and now considering 60/182 (removed 122) transitions.
[2024-05-31 19:18:39] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
// Phase 1: matrix 43 rows 39 cols
[2024-05-31 19:18:39] [INFO ] Computed 17 invariants in 0 ms
[2024-05-31 19:18:39] [INFO ] Implicit Places using invariants in 24 ms returned []
[2024-05-31 19:18:39] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2024-05-31 19:18:39] [INFO ] Invariant cache hit.
[2024-05-31 19:18:39] [INFO ] State equation strengthened by 19 read => feed constraints.
[2024-05-31 19:18:39] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 39/195 places, 60/482 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 190 ms. Remains : 39/195 places, 60/482 transitions.
Stuttering acceptance computed with spot in 26 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-06
Stuttering criterion allowed to conclude after 24 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-06 finished in 235 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(F(p0))))'
Support contains 1 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 3 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
// Phase 1: matrix 482 rows 195 cols
[2024-05-31 19:18:39] [INFO ] Computed 18 invariants in 2 ms
[2024-05-31 19:18:39] [INFO ] Implicit Places using invariants in 166 ms returned [193, 194]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 172 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 193/195 places, 482/482 transitions.
Applied a total of 0 rules in 4 ms. Remains 193 /193 variables (removed 0) and now considering 482/482 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 182 ms. Remains : 193/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 93 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-07
Product exploration explored 100000 steps with 33333 reset in 368 ms.
Product exploration explored 100000 steps with 33333 reset in 364 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 12 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FlexibleBarrier-PT-16a-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-07 finished in 1043 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 3 out of 195 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Graph (trivial) has 155 edges and 195 vertex of which 42 / 195 are part of one of the 14 SCC in 0 ms
Free SCC test removed 28 places
Ensure Unique test removed 106 transitions
Reduce isomorphic transitions removed 106 transitions.
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 0 with 96 rules applied. Total rules applied 97 place count 119 transition count 328
Drop transitions (Redundant composition of simpler transitions.) removed 145 transitions
Redundant transition composition rules discarded 145 transitions
Iterating global reduction 0 with 145 rules applied. Total rules applied 242 place count 119 transition count 183
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 243 place count 119 transition count 183
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 244 place count 118 transition count 182
Iterating global reduction 0 with 1 rules applied. Total rules applied 245 place count 118 transition count 182
Applied a total of 245 rules in 27 ms. Remains 118 /195 variables (removed 77) and now considering 182/482 (removed 300) transitions.
[2024-05-31 19:18:40] [INFO ] Flow matrix only has 153 transitions (discarded 29 similar events)
// Phase 1: matrix 153 rows 118 cols
[2024-05-31 19:18:40] [INFO ] Computed 18 invariants in 1 ms
[2024-05-31 19:18:40] [INFO ] Implicit Places using invariants in 82 ms returned [117]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 83 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 117/195 places, 182/482 transitions.
Graph (trivial) has 158 edges and 117 vertex of which 42 / 117 are part of one of the 14 SCC in 0 ms
Free SCC test removed 28 places
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 89 transition count 110
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 33 place count 73 transition count 110
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 33 place count 73 transition count 94
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 65 place count 57 transition count 94
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 101 place count 39 transition count 76
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 2 with 16 rules applied. Total rules applied 117 place count 39 transition count 60
Applied a total of 117 rules in 5 ms. Remains 39 /117 variables (removed 78) and now considering 60/182 (removed 122) transitions.
[2024-05-31 19:18:40] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
// Phase 1: matrix 43 rows 39 cols
[2024-05-31 19:18:40] [INFO ] Computed 17 invariants in 0 ms
[2024-05-31 19:18:40] [INFO ] Implicit Places using invariants in 22 ms returned []
[2024-05-31 19:18:40] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2024-05-31 19:18:40] [INFO ] Invariant cache hit.
[2024-05-31 19:18:40] [INFO ] State equation strengthened by 19 read => feed constraints.
[2024-05-31 19:18:40] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 39/195 places, 60/482 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 178 ms. Remains : 39/195 places, 60/482 transitions.
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-08
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-08 finished in 215 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||G((X(p2)&&p1)))))'
Support contains 7 out of 195 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Graph (trivial) has 145 edges and 195 vertex of which 30 / 195 are part of one of the 10 SCC in 1 ms
Free SCC test removed 20 places
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 0 with 96 rules applied. Total rules applied 97 place count 127 transition count 378
Drop transitions (Redundant composition of simpler transitions.) removed 159 transitions
Redundant transition composition rules discarded 159 transitions
Iterating global reduction 0 with 159 rules applied. Total rules applied 256 place count 127 transition count 219
Partial Post-agglomeration rule applied 3 times.
Drop transitions (Partial Post agglomeration) removed 3 transitions
Iterating global reduction 0 with 3 rules applied. Total rules applied 259 place count 127 transition count 219
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 262 place count 124 transition count 216
Iterating global reduction 0 with 3 rules applied. Total rules applied 265 place count 124 transition count 216
Applied a total of 265 rules in 32 ms. Remains 124 /195 variables (removed 71) and now considering 216/482 (removed 266) transitions.
[2024-05-31 19:18:40] [INFO ] Flow matrix only has 191 transitions (discarded 25 similar events)
// Phase 1: matrix 191 rows 124 cols
[2024-05-31 19:18:40] [INFO ] Computed 18 invariants in 1 ms
[2024-05-31 19:18:41] [INFO ] Implicit Places using invariants in 78 ms returned [123]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 79 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 123/195 places, 216/482 transitions.
Graph (trivial) has 154 edges and 123 vertex of which 30 / 123 are part of one of the 10 SCC in 0 ms
Free SCC test removed 20 places
Ensure Unique test removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 103 transition count 160
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 33 place count 87 transition count 160
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 33 place count 87 transition count 144
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 65 place count 71 transition count 144
Performed 22 Post agglomeration using F-continuation condition.Transition count delta: 22
Deduced a syphon composed of 22 places in 0 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 2 with 44 rules applied. Total rules applied 109 place count 49 transition count 122
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 2 with 16 rules applied. Total rules applied 125 place count 49 transition count 106
Applied a total of 125 rules in 7 ms. Remains 49 /123 variables (removed 74) and now considering 106/216 (removed 110) transitions.
[2024-05-31 19:18:41] [INFO ] Flow matrix only has 85 transitions (discarded 21 similar events)
// Phase 1: matrix 85 rows 49 cols
[2024-05-31 19:18:41] [INFO ] Computed 17 invariants in 1 ms
[2024-05-31 19:18:41] [INFO ] Implicit Places using invariants in 29 ms returned []
[2024-05-31 19:18:41] [INFO ] Flow matrix only has 85 transitions (discarded 21 similar events)
[2024-05-31 19:18:41] [INFO ] Invariant cache hit.
[2024-05-31 19:18:41] [INFO ] State equation strengthened by 47 read => feed constraints.
[2024-05-31 19:18:41] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 49/195 places, 106/482 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 193 ms. Remains : 49/195 places, 106/482 transitions.
Stuttering acceptance computed with spot in 35 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-09
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-09 finished in 239 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(F(p0))))'
Support contains 2 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 4 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
// Phase 1: matrix 482 rows 195 cols
[2024-05-31 19:18:41] [INFO ] Computed 18 invariants in 2 ms
[2024-05-31 19:18:41] [INFO ] Implicit Places using invariants in 140 ms returned [193]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 142 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/195 places, 482/482 transitions.
Applied a total of 0 rules in 1 ms. Remains 194 /194 variables (removed 0) and now considering 482/482 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 147 ms. Remains : 194/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-10
Product exploration explored 100000 steps with 33333 reset in 377 ms.
Product exploration explored 100000 steps with 33333 reset in 366 ms.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Knowledge obtained : [p0, (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 14 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FlexibleBarrier-PT-16a-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-10 finished in 1027 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 2 out of 195 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Graph (trivial) has 158 edges and 195 vertex of which 48 / 195 are part of one of the 16 SCC in 1 ms
Free SCC test removed 32 places
Ensure Unique test removed 137 transitions
Reduce isomorphic transitions removed 137 transitions.
Performed 46 Post agglomeration using F-continuation condition.Transition count delta: 46
Deduced a syphon composed of 46 places in 0 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 0 with 92 rules applied. Total rules applied 93 place count 117 transition count 299
Drop transitions (Redundant composition of simpler transitions.) removed 120 transitions
Redundant transition composition rules discarded 120 transitions
Iterating global reduction 0 with 120 rules applied. Total rules applied 213 place count 117 transition count 179
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 215 place count 117 transition count 179
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 216 place count 116 transition count 178
Iterating global reduction 0 with 1 rules applied. Total rules applied 217 place count 116 transition count 178
Applied a total of 217 rules in 23 ms. Remains 116 /195 variables (removed 79) and now considering 178/482 (removed 304) transitions.
[2024-05-31 19:18:42] [INFO ] Flow matrix only has 148 transitions (discarded 30 similar events)
// Phase 1: matrix 148 rows 116 cols
[2024-05-31 19:18:42] [INFO ] Computed 18 invariants in 1 ms
[2024-05-31 19:18:42] [INFO ] Implicit Places using invariants in 57 ms returned [114]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 59 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 115/195 places, 178/482 transitions.
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 16 Pre rules applied. Total rules applied 0 place count 115 transition count 162
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 0 with 32 rules applied. Total rules applied 32 place count 99 transition count 162
Applied a total of 32 rules in 5 ms. Remains 99 /115 variables (removed 16) and now considering 162/178 (removed 16) transitions.
[2024-05-31 19:18:42] [INFO ] Flow matrix only has 132 transitions (discarded 30 similar events)
// Phase 1: matrix 132 rows 99 cols
[2024-05-31 19:18:42] [INFO ] Computed 17 invariants in 0 ms
[2024-05-31 19:18:42] [INFO ] Implicit Places using invariants in 42 ms returned []
[2024-05-31 19:18:42] [INFO ] Flow matrix only has 132 transitions (discarded 30 similar events)
[2024-05-31 19:18:42] [INFO ] Invariant cache hit.
[2024-05-31 19:18:42] [INFO ] State equation strengthened by 98 read => feed constraints.
[2024-05-31 19:18:42] [INFO ] Implicit Places using invariants and state equation in 95 ms returned []
Implicit Place search using SMT with State Equation took 141 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 99/195 places, 162/482 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 228 ms. Remains : 99/195 places, 162/482 transitions.
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-11
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-11 finished in 310 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)||X(F(p1))))'
Support contains 2 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 3 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
// Phase 1: matrix 482 rows 195 cols
[2024-05-31 19:18:42] [INFO ] Computed 18 invariants in 3 ms
[2024-05-31 19:18:42] [INFO ] Implicit Places using invariants in 142 ms returned [193]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 143 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/195 places, 482/482 transitions.
Applied a total of 0 rules in 1 ms. Remains 194 /194 variables (removed 0) and now considering 482/482 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 147 ms. Remains : 194/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 101 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-12
Product exploration explored 100000 steps with 50000 reset in 464 ms.
Product exploration explored 100000 steps with 50000 reset in 466 ms.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X p1)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 13 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FlexibleBarrier-PT-16a-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-12 finished in 1211 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((F(p0)&&G(F(p1))))))'
Support contains 4 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Applied a total of 0 rules in 2 ms. Remains 195 /195 variables (removed 0) and now considering 482/482 (removed 0) transitions.
[2024-05-31 19:18:43] [INFO ] Invariant cache hit.
[2024-05-31 19:18:43] [INFO ] Implicit Places using invariants in 95 ms returned [194]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 95 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 194/195 places, 482/482 transitions.
Applied a total of 0 rules in 1 ms. Remains 194 /194 variables (removed 0) and now considering 482/482 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 100 ms. Remains : 194/195 places, 482/482 transitions.
Stuttering acceptance computed with spot in 196 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-14
Product exploration explored 100000 steps with 3037 reset in 602 ms.
Stack based approach found an accepted trace after 129 steps with 12 reset with depth 15 and stack size 15 in 1 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-14 finished in 918 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(p1)))))'
Support contains 4 out of 195 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 195/195 places, 482/482 transitions.
Graph (trivial) has 153 edges and 195 vertex of which 42 / 195 are part of one of the 14 SCC in 0 ms
Free SCC test removed 28 places
Ensure Unique test removed 106 transitions
Reduce isomorphic transitions removed 106 transitions.
Performed 47 Post agglomeration using F-continuation condition.Transition count delta: 47
Deduced a syphon composed of 47 places in 0 ms
Reduce places removed 47 places and 0 transitions.
Iterating global reduction 0 with 94 rules applied. Total rules applied 95 place count 120 transition count 329
Drop transitions (Redundant composition of simpler transitions.) removed 145 transitions
Redundant transition composition rules discarded 145 transitions
Iterating global reduction 0 with 145 rules applied. Total rules applied 240 place count 120 transition count 184
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 241 place count 120 transition count 184
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 242 place count 119 transition count 183
Iterating global reduction 0 with 1 rules applied. Total rules applied 243 place count 119 transition count 183
Applied a total of 243 rules in 20 ms. Remains 119 /195 variables (removed 76) and now considering 183/482 (removed 299) transitions.
[2024-05-31 19:18:44] [INFO ] Flow matrix only has 154 transitions (discarded 29 similar events)
// Phase 1: matrix 154 rows 119 cols
[2024-05-31 19:18:44] [INFO ] Computed 18 invariants in 1 ms
[2024-05-31 19:18:44] [INFO ] Implicit Places using invariants in 88 ms returned [118]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 89 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 118/195 places, 183/482 transitions.
Graph (trivial) has 156 edges and 118 vertex of which 39 / 118 are part of one of the 13 SCC in 1 ms
Free SCC test removed 26 places
Ensure Unique test removed 52 transitions
Reduce isomorphic transitions removed 52 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 92 transition count 115
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 33 place count 76 transition count 115
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 33 place count 76 transition count 99
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 65 place count 60 transition count 99
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 101 place count 42 transition count 81
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 2 with 15 rules applied. Total rules applied 116 place count 42 transition count 66
Applied a total of 116 rules in 9 ms. Remains 42 /118 variables (removed 76) and now considering 66/183 (removed 117) transitions.
[2024-05-31 19:18:44] [INFO ] Flow matrix only has 47 transitions (discarded 19 similar events)
// Phase 1: matrix 47 rows 42 cols
[2024-05-31 19:18:44] [INFO ] Computed 17 invariants in 1 ms
[2024-05-31 19:18:44] [INFO ] Implicit Places using invariants in 27 ms returned []
[2024-05-31 19:18:44] [INFO ] Flow matrix only has 47 transitions (discarded 19 similar events)
[2024-05-31 19:18:44] [INFO ] Invariant cache hit.
[2024-05-31 19:18:44] [INFO ] State equation strengthened by 19 read => feed constraints.
[2024-05-31 19:18:44] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 42/195 places, 66/482 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 188 ms. Remains : 42/195 places, 66/482 transitions.
Stuttering acceptance computed with spot in 109 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLFireability-15
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-16a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLFireability-15 finished in 332 ms.
All properties solved by simple procedures.
Total runtime 95595 ms.
ITS solved all properties within timeout

BK_STOP 1717183124976

--------------------
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_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FlexibleBarrier-PT-16a"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is FlexibleBarrier-PT-16a, 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 r496-tall-171640602700100"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-16a.tgz
mv FlexibleBarrier-PT-16a 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 ;