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.r179-tall-171640600600004.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)
.................
=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is FlexibleBarrier-PT-04a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r179-tall-171640600600004
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 492K
-rw-r--r-- 1 mcc users 6.6K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K 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 3.4K Apr 22 14:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 22 14:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Apr 22 14:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Apr 22 14:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K Apr 13 08:42 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 101K Apr 13 08:42 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Apr 13 08:40 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 113K Apr 13 08:40 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:44 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:44 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 23K 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-04a-LTLFireability-00
FORMULA_NAME FlexibleBarrier-PT-04a-LTLFireability-01
FORMULA_NAME FlexibleBarrier-PT-04a-LTLFireability-02
FORMULA_NAME FlexibleBarrier-PT-04a-LTLFireability-03
FORMULA_NAME FlexibleBarrier-PT-04a-LTLFireability-04
FORMULA_NAME FlexibleBarrier-PT-04a-LTLFireability-05
FORMULA_NAME FlexibleBarrier-PT-04a-LTLFireability-06
FORMULA_NAME FlexibleBarrier-PT-04a-LTLFireability-07
FORMULA_NAME FlexibleBarrier-PT-04a-LTLFireability-08
FORMULA_NAME FlexibleBarrier-PT-04a-LTLFireability-09
FORMULA_NAME FlexibleBarrier-PT-04a-LTLFireability-10
FORMULA_NAME FlexibleBarrier-PT-04a-LTLFireability-11
FORMULA_NAME FlexibleBarrier-PT-04a-LTLFireability-12
FORMULA_NAME FlexibleBarrier-PT-04a-LTLFireability-13
FORMULA_NAME FlexibleBarrier-PT-04a-LTLFireability-14
FORMULA_NAME FlexibleBarrier-PT-04a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716415959290

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-04a
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-22 22:12:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-22 22:12:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-22 22:12:40] [INFO ] Load time of PNML (sax parser for PT used): 50 ms
[2024-05-22 22:12:40] [INFO ] Transformed 51 places.
[2024-05-22 22:12:40] [INFO ] Transformed 88 transitions.
[2024-05-22 22:12:40] [INFO ] Found NUPN structural information;
[2024-05-22 22:12:40] [INFO ] Parsed PT model containing 51 places and 88 transitions and 309 arcs in 148 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Ensure Unique test removed 10 transitions
Reduce redundant transitions removed 10 transitions.
FORMULA FlexibleBarrier-PT-04a-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-04a-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-04a-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-04a-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 22 out of 51 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 78/78 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 51 transition count 74
Applied a total of 4 rules in 19 ms. Remains 51 /51 variables (removed 0) and now considering 74/78 (removed 4) transitions.
// Phase 1: matrix 74 rows 51 cols
[2024-05-22 22:12:40] [INFO ] Computed 6 invariants in 10 ms
[2024-05-22 22:12:41] [INFO ] Implicit Places using invariants in 219 ms returned []
[2024-05-22 22:12:41] [INFO ] Invariant cache hit.
[2024-05-22 22:12:41] [INFO ] State equation strengthened by 33 read => feed constraints.
[2024-05-22 22:12:41] [INFO ] Implicit Places using invariants and state equation in 108 ms returned []
Implicit Place search using SMT with State Equation took 356 ms to find 0 implicit places.
Running 73 sub problems to find dead transitions.
[2024-05-22 22:12:41] [INFO ] Invariant cache hit.
[2024-05-22 22:12:41] [INFO ] State equation strengthened by 33 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 2 (OVERLAPS) 1/51 variables, 6/56 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/51 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 5 (OVERLAPS) 74/125 variables, 51/108 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/125 variables, 33/141 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/125 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 8 (OVERLAPS) 0/125 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 73 unsolved
No progress, stopping.
After SMT solving in domain Real declared 125/125 variables, and 141 constraints, problems are : Problem set: 0 solved, 73 unsolved in 1557 ms.
Refiners :[Domain max(s): 51/51 constraints, Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 51/51 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 73/73 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 73 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 2 (OVERLAPS) 1/51 variables, 6/56 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/51 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 5 (OVERLAPS) 74/125 variables, 51/108 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/125 variables, 33/141 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/125 variables, 73/214 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/125 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 9 (OVERLAPS) 0/125 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 73 unsolved
No progress, stopping.
After SMT solving in domain Int declared 125/125 variables, and 214 constraints, problems are : Problem set: 0 solved, 73 unsolved in 927 ms.
Refiners :[Domain max(s): 51/51 constraints, Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 51/51 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 73/73 constraints, Known Traps: 0/0 constraints]
After SMT, in 2539ms problems are : Problem set: 0 solved, 73 unsolved
Search for dead transitions found 0 dead transitions in 2554ms
Starting structural reductions in LTL mode, iteration 1 : 51/51 places, 74/78 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2947 ms. Remains : 51/51 places, 74/78 transitions.
Support contains 22 out of 51 places after structural reductions.
[2024-05-22 22:12:43] [INFO ] Flatten gal took : 21 ms
[2024-05-22 22:12:43] [INFO ] Flatten gal took : 10 ms
[2024-05-22 22:12:43] [INFO ] Input system was already deterministic with 74 transitions.
Reduction of identical properties reduced properties to check from 23 to 22
RANDOM walk for 40000 steps (8 resets) in 590 ms. (67 steps per ms) remains 1/22 properties
BEST_FIRST walk for 40004 steps (8 resets) in 80 ms. (493 steps per ms) remains 1/1 properties
[2024-05-22 22:12:44] [INFO ] Invariant cache hit.
[2024-05-22 22:12:44] [INFO ] State equation strengthened by 33 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/3 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp22 is UNSAT
After SMT solving in domain Real declared 14/125 variables, and 5 constraints, problems are : Problem set: 1 solved, 0 unsolved in 35 ms.
Refiners :[Domain max(s): 3/51 constraints, Positive P Invariants (semi-flows): 2/6 constraints, State Equation: 0/51 constraints, ReadFeed: 0/33 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 40ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 12 simplifications.
Initial state reduction rules removed 1 formulas.
FORMULA FlexibleBarrier-PT-04a-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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' '!(F(p0))'
Support contains 1 out of 51 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Graph (trivial) has 38 edges and 51 vertex of which 9 / 51 are part of one of the 3 SCC in 3 ms
Free SCC test removed 6 places
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 2 places and 0 transitions.
Graph (trivial) has 56 edges and 42 vertex of which 35 / 42 are part of one of the 5 SCC in 0 ms
Free SCC test removed 30 places
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 5 rules applied. Total rules applied 6 place count 12 transition count 62
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 1 with 54 rules applied. Total rules applied 60 place count 7 transition count 13
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 61 place count 6 transition count 11
Iterating global reduction 2 with 1 rules applied. Total rules applied 62 place count 6 transition count 11
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 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 2 with 3 rules applied. Total rules applied 65 place count 6 transition count 8
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 67 place count 4 transition count 8
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 69 place count 3 transition count 7
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 70 place count 3 transition count 6
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 5 with 2 rules applied. Total rules applied 72 place count 3 transition count 4
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 5 with 1 rules applied. Total rules applied 73 place count 3 transition count 3
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 74 place count 2 transition count 3
Applied a total of 74 rules in 41 ms. Remains 2 /51 variables (removed 49) and now considering 3/74 (removed 71) transitions.
// Phase 1: matrix 3 rows 2 cols
[2024-05-22 22:12:44] [INFO ] Computed 1 invariants in 0 ms
[2024-05-22 22:12:44] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-22 22:12:44] [INFO ] Invariant cache hit.
[2024-05-22 22:12:44] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 165 ms to find 0 implicit places.
[2024-05-22 22:12:44] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2024-05-22 22:12:44] [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) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4/5 variables, and 3 constraints, problems are : Problem set: 0 solved, 1 unsolved in 22 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 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) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4/5 variables, and 4 constraints, problems are : Problem set: 0 solved, 1 unsolved in 20 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 46ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 46ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/51 places, 3/74 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 259 ms. Remains : 2/51 places, 3/74 transitions.
Stuttering acceptance computed with spot in 266 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-04a-LTLFireability-00
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 2 ms.
FORMULA FlexibleBarrier-PT-04a-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-04a-LTLFireability-00 finished in 632 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 3 out of 51 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Graph (trivial) has 36 edges and 51 vertex of which 12 / 51 are part of one of the 4 SCC in 0 ms
Free SCC test removed 8 places
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 21 place count 33 transition count 53
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 0 with 6 rules applied. Total rules applied 27 place count 33 transition count 47
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 28 place count 33 transition count 47
Applied a total of 28 rules in 12 ms. Remains 33 /51 variables (removed 18) and now considering 47/74 (removed 27) transitions.
[2024-05-22 22:12:45] [INFO ] Flow matrix only has 41 transitions (discarded 6 similar events)
// Phase 1: matrix 41 rows 33 cols
[2024-05-22 22:12:45] [INFO ] Computed 6 invariants in 0 ms
[2024-05-22 22:12:45] [INFO ] Implicit Places using invariants in 45 ms returned [31]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 46 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 32/51 places, 47/74 transitions.
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 4 Pre rules applied. Total rules applied 0 place count 32 transition count 43
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 28 transition count 43
Applied a total of 8 rules in 4 ms. Remains 28 /32 variables (removed 4) and now considering 43/47 (removed 4) transitions.
[2024-05-22 22:12:45] [INFO ] Flow matrix only has 37 transitions (discarded 6 similar events)
// Phase 1: matrix 37 rows 28 cols
[2024-05-22 22:12:45] [INFO ] Computed 5 invariants in 1 ms
[2024-05-22 22:12:45] [INFO ] Implicit Places using invariants in 48 ms returned []
[2024-05-22 22:12:45] [INFO ] Flow matrix only has 37 transitions (discarded 6 similar events)
[2024-05-22 22:12:45] [INFO ] Invariant cache hit.
[2024-05-22 22:12:45] [INFO ] State equation strengthened by 25 read => feed constraints.
[2024-05-22 22:12:45] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 119 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 28/51 places, 43/74 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 181 ms. Remains : 28/51 places, 43/74 transitions.
Stuttering acceptance computed with spot in 124 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-04a-LTLFireability-01
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-04a-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-04a-LTLFireability-01 finished in 322 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||G(p1)))))'
Support contains 4 out of 51 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 74/74 (removed 0) transitions.
// Phase 1: matrix 74 rows 51 cols
[2024-05-22 22:12:45] [INFO ] Computed 6 invariants in 3 ms
[2024-05-22 22:12:45] [INFO ] Implicit Places using invariants in 61 ms returned [50]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 62 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 50/51 places, 74/74 transitions.
Applied a total of 0 rules in 2 ms. Remains 50 /50 variables (removed 0) and now considering 74/74 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 65 ms. Remains : 50/51 places, 74/74 transitions.
Stuttering acceptance computed with spot in 71 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-04a-LTLFireability-02
Product exploration explored 100000 steps with 50000 reset in 326 ms.
Product exploration explored 100000 steps with 50000 reset in 183 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 p0), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X p1), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0))]
False Knowledge obtained : [(X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 20 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FlexibleBarrier-PT-04a-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-04a-LTLFireability-02 finished in 693 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)) U (p0 U p1)))'
Support contains 4 out of 51 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Applied a total of 0 rules in 2 ms. Remains 51 /51 variables (removed 0) and now considering 74/74 (removed 0) transitions.
[2024-05-22 22:12:46] [INFO ] Invariant cache hit.
[2024-05-22 22:12:46] [INFO ] Implicit Places using invariants in 39 ms returned [50]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 40 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 50/51 places, 74/74 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 74/74 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43 ms. Remains : 50/51 places, 74/74 transitions.
Stuttering acceptance computed with spot in 181 ms :[(NOT p1), p0, (AND (NOT p1) p0), true, (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-04a-LTLFireability-03
Entered a terminal (fully accepting) state of product in 7 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-04a-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-04a-LTLFireability-03 finished in 240 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(p1)) U G(p2)))'
Support contains 3 out of 51 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Graph (trivial) has 34 edges and 51 vertex of which 9 / 51 are part of one of the 3 SCC in 0 ms
Free SCC test removed 6 places
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 0 with 18 rules applied. Total rules applied 19 place count 36 transition count 58
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 27 place count 36 transition count 50
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 28 place count 36 transition count 49
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 29 place count 35 transition count 49
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 31 place count 35 transition count 49
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 32 place count 34 transition count 48
Iterating global reduction 2 with 1 rules applied. Total rules applied 33 place count 34 transition count 48
Applied a total of 33 rules in 20 ms. Remains 34 /51 variables (removed 17) and now considering 48/74 (removed 26) transitions.
[2024-05-22 22:12:46] [INFO ] Flow matrix only has 42 transitions (discarded 6 similar events)
// Phase 1: matrix 42 rows 34 cols
[2024-05-22 22:12:46] [INFO ] Computed 6 invariants in 1 ms
[2024-05-22 22:12:46] [INFO ] Implicit Places using invariants in 61 ms returned [32, 33]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 65 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 32/51 places, 48/74 transitions.
Graph (trivial) has 38 edges and 32 vertex of which 17 / 32 are part of one of the 3 SCC in 0 ms
Free SCC test removed 14 places
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 18 transition count 25
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 17 transition count 25
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 3 place count 17 transition count 24
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 5 place count 16 transition count 24
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 7 place count 14 transition count 22
Iterating global reduction 2 with 2 rules applied. Total rules applied 9 place count 14 transition count 22
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 10 place count 13 transition count 20
Iterating global reduction 2 with 1 rules applied. Total rules applied 11 place count 13 transition count 20
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 2 rules applied. Total rules applied 13 place count 13 transition count 18
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 14 place count 12 transition count 18
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 16 place count 11 transition count 17
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 17 place count 11 transition count 16
Applied a total of 17 rules in 4 ms. Remains 11 /32 variables (removed 21) and now considering 16/48 (removed 32) transitions.
[2024-05-22 22:12:46] [INFO ] Flow matrix only has 13 transitions (discarded 3 similar events)
// Phase 1: matrix 13 rows 11 cols
[2024-05-22 22:12:46] [INFO ] Computed 3 invariants in 1 ms
[2024-05-22 22:12:46] [INFO ] Implicit Places using invariants in 18 ms returned []
[2024-05-22 22:12:46] [INFO ] Flow matrix only has 13 transitions (discarded 3 similar events)
[2024-05-22 22:12:46] [INFO ] Invariant cache hit.
[2024-05-22 22:12:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-22 22:12:46] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 11/51 places, 16/74 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 128 ms. Remains : 11/51 places, 16/74 transitions.
Stuttering acceptance computed with spot in 165 ms :[(NOT p2), (NOT p0), (AND (NOT p0) p2), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-04a-LTLFireability-04
Stuttering criterion allowed to conclude after 9 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-04a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-04a-LTLFireability-04 finished in 306 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) U X(X(G(!p1)))))'
Support contains 3 out of 51 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Applied a total of 0 rules in 4 ms. Remains 51 /51 variables (removed 0) and now considering 74/74 (removed 0) transitions.
// Phase 1: matrix 74 rows 51 cols
[2024-05-22 22:12:46] [INFO ] Computed 6 invariants in 3 ms
[2024-05-22 22:12:46] [INFO ] Implicit Places using invariants in 42 ms returned [49]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 43 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 50/51 places, 74/74 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 74/74 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 48 ms. Remains : 50/51 places, 74/74 transitions.
Stuttering acceptance computed with spot in 238 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), p1, (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-04a-LTLFireability-05
Product exploration explored 100000 steps with 24868 reset in 148 ms.
Product exploration explored 100000 steps with 24821 reset in 199 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 (NOT p0) (NOT p1)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 81 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 138 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), p1, (NOT p0)]
RANDOM walk for 446 steps (0 resets) in 14 ms. (29 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (OR (NOT p1) p0))), (F p1), (F p0)]
Knowledge based reduction with 6 factoid took 139 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 153 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), p1, (NOT p0)]
Stuttering acceptance computed with spot in 140 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), p1, (NOT p0)]
Support contains 3 out of 50 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 74/74 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 74/74 (removed 0) transitions.
// Phase 1: matrix 74 rows 50 cols
[2024-05-22 22:12:48] [INFO ] Computed 5 invariants in 2 ms
[2024-05-22 22:12:48] [INFO ] Implicit Places using invariants in 39 ms returned []
[2024-05-22 22:12:48] [INFO ] Invariant cache hit.
[2024-05-22 22:12:48] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-22 22:12:48] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 99 ms to find 0 implicit places.
Running 73 sub problems to find dead transitions.
[2024-05-22 22:12:48] [INFO ] Invariant cache hit.
[2024-05-22 22:12:48] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 2 (OVERLAPS) 1/50 variables, 5/54 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/50 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 5 (OVERLAPS) 74/124 variables, 50/105 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/124 variables, 20/125 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/124 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 8 (OVERLAPS) 0/124 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 73 unsolved
No progress, stopping.
After SMT solving in domain Real declared 124/124 variables, and 125 constraints, problems are : Problem set: 0 solved, 73 unsolved in 973 ms.
Refiners :[Domain max(s): 50/50 constraints, Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 50/50 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 73/73 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 73 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 49/49 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 2 (OVERLAPS) 1/50 variables, 5/54 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/50 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 5 (OVERLAPS) 74/124 variables, 50/105 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/124 variables, 20/125 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/124 variables, 73/198 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/124 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 9 (OVERLAPS) 0/124 variables, 0/198 constraints. Problems are: Problem set: 0 solved, 73 unsolved
No progress, stopping.
After SMT solving in domain Int declared 124/124 variables, and 198 constraints, problems are : Problem set: 0 solved, 73 unsolved in 807 ms.
Refiners :[Domain max(s): 50/50 constraints, Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 50/50 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 73/73 constraints, Known Traps: 0/0 constraints]
After SMT, in 1804ms problems are : Problem set: 0 solved, 73 unsolved
Search for dead transitions found 0 dead transitions in 1807ms
Finished structural reductions in LTL mode , in 1 iterations and 1907 ms. Remains : 50/50 places, 74/74 transitions.
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 (NOT p0) (NOT p1)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 115 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 155 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), p1, (NOT p0)]
RANDOM walk for 350 steps (0 resets) in 9 ms. (35 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p1)), (X (NOT p0)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (NOT (OR (NOT p1) p0))), (F p1), (F p0)]
Knowledge based reduction with 6 factoid took 179 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 183 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), p1, (NOT p0)]
Stuttering acceptance computed with spot in 158 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), p1, (NOT p0)]
Stuttering acceptance computed with spot in 162 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), p1, (NOT p0)]
Product exploration explored 100000 steps with 24787 reset in 92 ms.
Stack based approach found an accepted trace after 84954 steps with 20974 reset with depth 20 and stack size 20 in 123 ms.
FORMULA FlexibleBarrier-PT-04a-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-04a-LTLFireability-05 finished in 4446 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))||G(p1)))'
Support contains 6 out of 51 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Graph (trivial) has 35 edges and 51 vertex of which 6 / 51 are part of one of the 2 SCC in 0 ms
Free SCC test removed 4 places
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 24 rules applied. Total rules applied 25 place count 35 transition count 57
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 0 with 7 rules applied. Total rules applied 32 place count 35 transition count 50
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 32 place count 35 transition count 49
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 34 place count 34 transition count 49
Applied a total of 34 rules in 12 ms. Remains 34 /51 variables (removed 17) and now considering 49/74 (removed 25) transitions.
[2024-05-22 22:12:51] [INFO ] Flow matrix only has 44 transitions (discarded 5 similar events)
// Phase 1: matrix 44 rows 34 cols
[2024-05-22 22:12:51] [INFO ] Computed 6 invariants in 1 ms
[2024-05-22 22:12:51] [INFO ] Implicit Places using invariants in 37 ms returned []
[2024-05-22 22:12:51] [INFO ] Flow matrix only has 44 transitions (discarded 5 similar events)
[2024-05-22 22:12:51] [INFO ] Invariant cache hit.
[2024-05-22 22:12:51] [INFO ] State equation strengthened by 30 read => feed constraints.
[2024-05-22 22:12:51] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 90 ms to find 0 implicit places.
[2024-05-22 22:12:51] [INFO ] Redundant transitions in 12 ms returned [22]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 47 sub problems to find dead transitions.
[2024-05-22 22:12:51] [INFO ] Flow matrix only has 43 transitions (discarded 5 similar events)
// Phase 1: matrix 43 rows 34 cols
[2024-05-22 22:12:51] [INFO ] Computed 6 invariants in 0 ms
[2024-05-22 22:12:51] [INFO ] State equation strengthened by 29 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (OVERLAPS) 1/34 variables, 6/39 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/34 variables, 1/40 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/34 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (OVERLAPS) 42/76 variables, 34/74 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 28/102 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 8 (OVERLAPS) 1/77 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/77 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 10 (OVERLAPS) 0/77 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Real declared 77/77 variables, and 103 constraints, problems are : Problem set: 0 solved, 47 unsolved in 606 ms.
Refiners :[Domain max(s): 34/34 constraints, Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 34/34 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 47 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/33 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (OVERLAPS) 1/34 variables, 6/39 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/34 variables, 1/40 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/34 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (OVERLAPS) 42/76 variables, 34/74 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 28/102 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 47/149 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 9 (OVERLAPS) 1/77 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/77 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 11 (OVERLAPS) 0/77 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Int declared 77/77 variables, and 150 constraints, problems are : Problem set: 0 solved, 47 unsolved in 498 ms.
Refiners :[Domain max(s): 34/34 constraints, Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 34/34 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 0/0 constraints]
After SMT, in 1115ms problems are : Problem set: 0 solved, 47 unsolved
Search for dead transitions found 0 dead transitions in 1116ms
Starting structural reductions in SI_LTL mode, iteration 1 : 34/51 places, 48/74 transitions.
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 1 place count 34 transition count 48
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 33 transition count 47
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 33 transition count 47
Applied a total of 3 rules in 7 ms. Remains 33 /34 variables (removed 1) and now considering 47/48 (removed 1) transitions.
[2024-05-22 22:12:52] [INFO ] Flow matrix only has 42 transitions (discarded 5 similar events)
// Phase 1: matrix 42 rows 33 cols
[2024-05-22 22:12:52] [INFO ] Computed 6 invariants in 1 ms
[2024-05-22 22:12:52] [INFO ] Implicit Places using invariants in 30 ms returned []
[2024-05-22 22:12:52] [INFO ] Flow matrix only has 42 transitions (discarded 5 similar events)
[2024-05-22 22:12:52] [INFO ] Invariant cache hit.
[2024-05-22 22:12:52] [INFO ] State equation strengthened by 29 read => feed constraints.
[2024-05-22 22:12:52] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 33/51 places, 47/74 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1318 ms. Remains : 33/51 places, 47/74 transitions.
Stuttering acceptance computed with spot in 138 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-04a-LTLFireability-06
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-04a-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-04a-LTLFireability-06 finished in 1476 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)&&X(X(F(p1)))))'
Support contains 4 out of 51 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Applied a total of 0 rules in 2 ms. Remains 51 /51 variables (removed 0) and now considering 74/74 (removed 0) transitions.
// Phase 1: matrix 74 rows 51 cols
[2024-05-22 22:12:52] [INFO ] Computed 6 invariants in 1 ms
[2024-05-22 22:12:52] [INFO ] Implicit Places using invariants in 41 ms returned [49]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 42 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 50/51 places, 74/74 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 74/74 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 45 ms. Remains : 50/51 places, 74/74 transitions.
Stuttering acceptance computed with spot in 140 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-04a-LTLFireability-11
Product exploration explored 100000 steps with 399 reset in 92 ms.
Stack based approach found an accepted trace after 17 steps with 0 reset with depth 18 and stack size 18 in 0 ms.
FORMULA FlexibleBarrier-PT-04a-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-04a-LTLFireability-11 finished in 305 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(F((X(p1)||p0))))))'
Support contains 4 out of 51 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 74/74 (removed 0) transitions.
[2024-05-22 22:12:53] [INFO ] Invariant cache hit.
[2024-05-22 22:12:53] [INFO ] Implicit Places using invariants in 35 ms returned [50]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 35 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 50/51 places, 74/74 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 74/74 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 37 ms. Remains : 50/51 places, 74/74 transitions.
Stuttering acceptance computed with spot in 150 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : FlexibleBarrier-PT-04a-LTLFireability-12
Product exploration explored 100000 steps with 22603 reset in 83 ms.
Stack based approach found an accepted trace after 2072 steps with 469 reset with depth 7 and stack size 7 in 2 ms.
FORMULA FlexibleBarrier-PT-04a-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-04a-LTLFireability-12 finished in 290 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))))'
Support contains 3 out of 51 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 74/74 (removed 0) transitions.
[2024-05-22 22:12:53] [INFO ] Invariant cache hit.
[2024-05-22 22:12:53] [INFO ] Implicit Places using invariants in 40 ms returned [50]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 41 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 50/51 places, 74/74 transitions.
Applied a total of 0 rules in 0 ms. Remains 50 /50 variables (removed 0) and now considering 74/74 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 42 ms. Remains : 50/51 places, 74/74 transitions.
Stuttering acceptance computed with spot in 109 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-04a-LTLFireability-13
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-04a-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-04a-LTLFireability-13 finished in 170 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(p1)||X(F(p2)))))'
Support contains 5 out of 51 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 51/51 places, 74/74 transitions.
Applied a total of 0 rules in 2 ms. Remains 51 /51 variables (removed 0) and now considering 74/74 (removed 0) transitions.
[2024-05-22 22:12:53] [INFO ] Invariant cache hit.
[2024-05-22 22:12:53] [INFO ] Implicit Places using invariants in 40 ms returned [50]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 44 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 50/51 places, 74/74 transitions.
Applied a total of 0 rules in 0 ms. Remains 50 /50 variables (removed 0) and now considering 74/74 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 46 ms. Remains : 50/51 places, 74/74 transitions.
Stuttering acceptance computed with spot in 157 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (NOT p2), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : FlexibleBarrier-PT-04a-LTLFireability-14
Product exploration explored 100000 steps with 978 reset in 85 ms.
Stack based approach found an accepted trace after 11 steps with 0 reset with depth 12 and stack size 12 in 0 ms.
FORMULA FlexibleBarrier-PT-04a-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-04a-LTLFireability-14 finished in 309 ms.
All properties solved by simple procedures.
Total runtime 13297 ms.
ITS solved all properties within timeout

BK_STOP 1716415973860

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ 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-04a"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="greatspnxred"
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 greatspnxred"
echo " Input is FlexibleBarrier-PT-04a, 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 r179-tall-171640600600004"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-04a.tgz
mv FlexibleBarrier-PT-04a execution
cd execution
if [ "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 ;