About the Execution of GreatSPN+red for HirschbergSinclair-PT-45
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 11056.928 | 3600000.00 | 6094915.00 | 9701.90 | FTFFFFTF??FFT?F? | normal |
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.r201-smll-171649586600124.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 greatspnxred
Input is HirschbergSinclair-PT-45, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r201-smll-171649586600124
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 11K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K 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 4.9K May 19 07:10 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 19 15:59 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K May 19 07:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 18:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 24K Apr 13 02:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 176K Apr 13 02:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Apr 13 02:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K Apr 13 02:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Apr 22 14:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Apr 22 14:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 616K 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 HirschbergSinclair-PT-45-LTLFireability-00
FORMULA_NAME HirschbergSinclair-PT-45-LTLFireability-01
FORMULA_NAME HirschbergSinclair-PT-45-LTLFireability-02
FORMULA_NAME HirschbergSinclair-PT-45-LTLFireability-03
FORMULA_NAME HirschbergSinclair-PT-45-LTLFireability-04
FORMULA_NAME HirschbergSinclair-PT-45-LTLFireability-05
FORMULA_NAME HirschbergSinclair-PT-45-LTLFireability-06
FORMULA_NAME HirschbergSinclair-PT-45-LTLFireability-07
FORMULA_NAME HirschbergSinclair-PT-45-LTLFireability-08
FORMULA_NAME HirschbergSinclair-PT-45-LTLFireability-09
FORMULA_NAME HirschbergSinclair-PT-45-LTLFireability-10
FORMULA_NAME HirschbergSinclair-PT-45-LTLFireability-11
FORMULA_NAME HirschbergSinclair-PT-45-LTLFireability-12
FORMULA_NAME HirschbergSinclair-PT-45-LTLFireability-13
FORMULA_NAME HirschbergSinclair-PT-45-LTLFireability-14
FORMULA_NAME HirschbergSinclair-PT-45-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1716633996924
Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=HirschbergSinclair-PT-45
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-25 10:46:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-25 10:46:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-25 10:46:39] [INFO ] Load time of PNML (sax parser for PT used): 306 ms
[2024-05-25 10:46:39] [INFO ] Transformed 1138 places.
[2024-05-25 10:46:39] [INFO ] Transformed 1042 transitions.
[2024-05-25 10:46:39] [INFO ] Parsed PT model containing 1138 places and 1042 transitions and 3176 arcs in 534 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 26 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA HirschbergSinclair-PT-45-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HirschbergSinclair-PT-45-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 36 out of 1138 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1138/1138 places, 1042/1042 transitions.
Reduce places removed 45 places and 0 transitions.
Iterating post reduction 0 with 45 rules applied. Total rules applied 45 place count 1093 transition count 1042
Discarding 44 places :
Symmetric choice reduction at 1 with 44 rule applications. Total rules 89 place count 1049 transition count 998
Iterating global reduction 1 with 44 rules applied. Total rules applied 133 place count 1049 transition count 998
Discarding 43 places :
Symmetric choice reduction at 1 with 43 rule applications. Total rules 176 place count 1006 transition count 955
Iterating global reduction 1 with 43 rules applied. Total rules applied 219 place count 1006 transition count 955
Applied a total of 219 rules in 747 ms. Remains 1006 /1138 variables (removed 132) and now considering 955/1042 (removed 87) transitions.
// Phase 1: matrix 955 rows 1006 cols
[2024-05-25 10:46:41] [INFO ] Computed 51 invariants in 73 ms
[2024-05-25 10:46:43] [INFO ] Implicit Places using invariants in 2175 ms returned []
[2024-05-25 10:46:43] [INFO ] Invariant cache hit.
[2024-05-25 10:46:50] [INFO ] Implicit Places using invariants and state equation in 7334 ms returned []
Implicit Place search using SMT with State Equation took 9650 ms to find 0 implicit places.
Running 910 sub problems to find dead transitions.
[2024-05-25 10:46:50] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/961 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 910 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 961/1961 variables, and 6 constraints, problems are : Problem set: 0 solved, 910 unsolved in 30055 ms.
Refiners :[Generalized P Invariants (flows): 6/51 constraints, State Equation: 0/1006 constraints, PredecessorRefiner: 910/910 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 910 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/961 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 910 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/961 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 910 unsolved
At refinement iteration 2 (OVERLAPS) 45/1006 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 910 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1006/1961 variables, and 51 constraints, problems are : Problem set: 0 solved, 910 unsolved in 30040 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 0/1006 constraints, PredecessorRefiner: 0/910 constraints, Known Traps: 0/0 constraints]
After SMT, in 60861ms problems are : Problem set: 0 solved, 910 unsolved
Search for dead transitions found 0 dead transitions in 60925ms
Starting structural reductions in LTL mode, iteration 1 : 1006/1138 places, 955/1042 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 71384 ms. Remains : 1006/1138 places, 955/1042 transitions.
Support contains 36 out of 1006 places after structural reductions.
[2024-05-25 10:47:52] [INFO ] Flatten gal took : 279 ms
[2024-05-25 10:47:52] [INFO ] Flatten gal took : 135 ms
[2024-05-25 10:47:52] [INFO ] Input system was already deterministic with 955 transitions.
Support contains 35 out of 1006 places (down from 36) after GAL structural reductions.
RANDOM walk for 3636 steps (0 resets) in 615 ms. (5 steps per ms) remains 0/24 properties
Computed a total of 1006 stabilizing places and 955 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1006 transition count 955
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
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((G(p1)||p0))))'
Support contains 4 out of 1006 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1006/1006 places, 955/955 transitions.
Reduce places removed 43 places and 43 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 418 transitions
Trivial Post-agglo rules discarded 418 transitions
Performed 418 trivial Post agglomeration. Transition count delta: 418
Iterating post reduction 0 with 418 rules applied. Total rules applied 418 place count 963 transition count 494
Reduce places removed 418 places and 0 transitions.
Iterating post reduction 1 with 418 rules applied. Total rules applied 836 place count 545 transition count 494
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 838 place count 543 transition count 492
Iterating global reduction 2 with 2 rules applied. Total rules applied 840 place count 543 transition count 492
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 1 rules applied. Total rules applied 841 place count 543 transition count 491
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 842 place count 542 transition count 491
Applied a total of 842 rules in 152 ms. Remains 542 /1006 variables (removed 464) and now considering 491/955 (removed 464) transitions.
// Phase 1: matrix 491 rows 542 cols
[2024-05-25 10:47:53] [INFO ] Computed 51 invariants in 7 ms
[2024-05-25 10:47:55] [INFO ] Implicit Places using invariants in 1397 ms returned []
[2024-05-25 10:47:55] [INFO ] Invariant cache hit.
[2024-05-25 10:47:55] [INFO ] State equation strengthened by 8 read => feed constraints.
[2024-05-25 10:47:59] [INFO ] Implicit Places using invariants and state equation in 3922 ms returned []
Implicit Place search using SMT with State Equation took 5352 ms to find 0 implicit places.
[2024-05-25 10:47:59] [INFO ] Redundant transitions in 35 ms returned []
Running 406 sub problems to find dead transitions.
[2024-05-25 10:47:59] [INFO ] Invariant cache hit.
[2024-05-25 10:47:59] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/457 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/457 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 2 (OVERLAPS) 4/461 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/461 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 4 (OVERLAPS) 410/871 variables, 461/512 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/871 variables, 8/520 constraints. Problems are: Problem set: 0 solved, 406 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 871/1033 variables, and 520 constraints, problems are : Problem set: 0 solved, 406 unsolved in 30035 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 461/542 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 406/406 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 406 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/457 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/457 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 2 (OVERLAPS) 4/461 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/461 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 4 (OVERLAPS) 410/871 variables, 461/512 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/871 variables, 8/520 constraints. Problems are: Problem set: 0 solved, 406 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/871 variables, 406/926 constraints. Problems are: Problem set: 0 solved, 406 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 871/1033 variables, and 926 constraints, problems are : Problem set: 0 solved, 406 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 461/542 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 406/406 constraints, Known Traps: 0/0 constraints]
After SMT, in 60262ms problems are : Problem set: 0 solved, 406 unsolved
Search for dead transitions found 0 dead transitions in 60269ms
Starting structural reductions in SI_LTL mode, iteration 1 : 542/1006 places, 491/955 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 65820 ms. Remains : 542/1006 places, 491/955 transitions.
Stuttering acceptance computed with spot in 450 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : HirschbergSinclair-PT-45-LTLFireability-00
Product exploration explored 100000 steps with 337 reset in 1248 ms.
Product exploration explored 100000 steps with 337 reset in 794 ms.
Computed a total of 542 stabilizing places and 491 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 542 transition count 491
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p1 (NOT p0)))), (X (NOT p0)), (X (NOT p1)), (X (AND (NOT p1) (NOT p0))), (X (X (NOT p0))), (F (G (NOT p1))), (F (G (NOT p0)))]
False Knowledge obtained : [(X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p1)), (X (X (NOT p1))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
Property proved to be false thanks to negative knowledge :(X (X (AND p1 (NOT p0))))
Knowledge based reduction with 8 factoid took 195 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA HirschbergSinclair-PT-45-LTLFireability-00 FALSE TECHNIQUES KNOWLEDGE
Treatment of property HirschbergSinclair-PT-45-LTLFireability-00 finished in 69008 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 1006 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1006/1006 places, 955/955 transitions.
Reduce places removed 43 places and 43 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 403 transitions
Trivial Post-agglo rules discarded 403 transitions
Performed 403 trivial Post agglomeration. Transition count delta: 403
Iterating post reduction 0 with 403 rules applied. Total rules applied 403 place count 963 transition count 509
Reduce places removed 403 places and 0 transitions.
Iterating post reduction 1 with 403 rules applied. Total rules applied 806 place count 560 transition count 509
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 808 place count 558 transition count 507
Iterating global reduction 2 with 2 rules applied. Total rules applied 810 place count 558 transition count 507
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 1 rules applied. Total rules applied 811 place count 558 transition count 506
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 812 place count 557 transition count 506
Applied a total of 812 rules in 139 ms. Remains 557 /1006 variables (removed 449) and now considering 506/955 (removed 449) transitions.
// Phase 1: matrix 506 rows 557 cols
[2024-05-25 10:49:02] [INFO ] Computed 51 invariants in 8 ms
[2024-05-25 10:49:04] [INFO ] Implicit Places using invariants in 1604 ms returned []
[2024-05-25 10:49:04] [INFO ] Invariant cache hit.
[2024-05-25 10:49:07] [INFO ] Implicit Places using invariants and state equation in 3610 ms returned []
Implicit Place search using SMT with State Equation took 5233 ms to find 0 implicit places.
[2024-05-25 10:49:07] [INFO ] Redundant transitions in 20 ms returned []
Running 423 sub problems to find dead transitions.
[2024-05-25 10:49:07] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/474 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/474 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 2 (OVERLAPS) 4/478 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/478 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 4 (OVERLAPS) 427/905 variables, 478/529 constraints. Problems are: Problem set: 0 solved, 423 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 905/1063 variables, and 529 constraints, problems are : Problem set: 0 solved, 423 unsolved in 30031 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 478/557 constraints, PredecessorRefiner: 423/423 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 423 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/474 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/474 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 2 (OVERLAPS) 4/478 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/478 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 4 (OVERLAPS) 427/905 variables, 478/529 constraints. Problems are: Problem set: 0 solved, 423 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/905 variables, 423/952 constraints. Problems are: Problem set: 0 solved, 423 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 905/1063 variables, and 952 constraints, problems are : Problem set: 0 solved, 423 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 478/557 constraints, PredecessorRefiner: 423/423 constraints, Known Traps: 0/0 constraints]
After SMT, in 60221ms problems are : Problem set: 0 solved, 423 unsolved
Search for dead transitions found 0 dead transitions in 60231ms
Starting structural reductions in SI_LTL mode, iteration 1 : 557/1006 places, 506/955 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 65655 ms. Remains : 557/1006 places, 506/955 transitions.
Stuttering acceptance computed with spot in 296 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : HirschbergSinclair-PT-45-LTLFireability-01
Product exploration explored 100000 steps with 414 reset in 793 ms.
Product exploration explored 100000 steps with 418 reset in 570 ms.
Computed a total of 557 stabilizing places and 506 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 557 transition count 506
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 p1), (X p0), (X p1), (X (X p0)), (X (X p1)), (F (G p0)), (F (G p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 7 factoid took 48 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HirschbergSinclair-PT-45-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HirschbergSinclair-PT-45-LTLFireability-01 finished in 67783 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 2 out of 1006 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1006/1006 places, 955/955 transitions.
Reduce places removed 44 places and 44 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 419 transitions
Trivial Post-agglo rules discarded 419 transitions
Performed 419 trivial Post agglomeration. Transition count delta: 419
Iterating post reduction 0 with 419 rules applied. Total rules applied 419 place count 962 transition count 492
Reduce places removed 419 places and 0 transitions.
Iterating post reduction 1 with 419 rules applied. Total rules applied 838 place count 543 transition count 492
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 840 place count 541 transition count 490
Iterating global reduction 2 with 2 rules applied. Total rules applied 842 place count 541 transition count 490
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 1 rules applied. Total rules applied 843 place count 541 transition count 489
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 844 place count 540 transition count 489
Applied a total of 844 rules in 151 ms. Remains 540 /1006 variables (removed 466) and now considering 489/955 (removed 466) transitions.
// Phase 1: matrix 489 rows 540 cols
[2024-05-25 10:50:10] [INFO ] Computed 51 invariants in 7 ms
[2024-05-25 10:50:11] [INFO ] Implicit Places using invariants in 737 ms returned []
[2024-05-25 10:50:11] [INFO ] Invariant cache hit.
[2024-05-25 10:50:14] [INFO ] Implicit Places using invariants and state equation in 3614 ms returned []
Implicit Place search using SMT with State Equation took 4370 ms to find 0 implicit places.
[2024-05-25 10:50:14] [INFO ] Redundant transitions in 5 ms returned []
Running 403 sub problems to find dead transitions.
[2024-05-25 10:50:14] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/454 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 403 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/454 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 403 unsolved
At refinement iteration 2 (OVERLAPS) 3/457 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 403 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 403 unsolved
At refinement iteration 4 (OVERLAPS) 406/863 variables, 457/508 constraints. Problems are: Problem set: 0 solved, 403 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 863/1029 variables, and 508 constraints, problems are : Problem set: 0 solved, 403 unsolved in 30039 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 457/540 constraints, PredecessorRefiner: 403/403 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 403 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/454 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 403 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/454 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 403 unsolved
At refinement iteration 2 (OVERLAPS) 3/457 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 403 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 403 unsolved
At refinement iteration 4 (OVERLAPS) 406/863 variables, 457/508 constraints. Problems are: Problem set: 0 solved, 403 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/863 variables, 403/911 constraints. Problems are: Problem set: 0 solved, 403 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 863/1029 variables, and 911 constraints, problems are : Problem set: 0 solved, 403 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 457/540 constraints, PredecessorRefiner: 403/403 constraints, Known Traps: 0/0 constraints]
After SMT, in 60144ms problems are : Problem set: 0 solved, 403 unsolved
Search for dead transitions found 0 dead transitions in 60150ms
Starting structural reductions in SI_LTL mode, iteration 1 : 540/1006 places, 489/955 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 64696 ms. Remains : 540/1006 places, 489/955 transitions.
Stuttering acceptance computed with spot in 58 ms :[(NOT p0)]
Running random walk in product with property : HirschbergSinclair-PT-45-LTLFireability-02
Stuttering criterion allowed to conclude after 530 steps with 0 reset in 3 ms.
FORMULA HirschbergSinclair-PT-45-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-45-LTLFireability-02 finished in 64783 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 p1)))'
Support contains 4 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 955/955 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 1004 transition count 953
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 1004 transition count 953
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 1003 transition count 952
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 1003 transition count 952
Applied a total of 6 rules in 210 ms. Remains 1003 /1006 variables (removed 3) and now considering 952/955 (removed 3) transitions.
// Phase 1: matrix 952 rows 1003 cols
[2024-05-25 10:51:15] [INFO ] Computed 51 invariants in 27 ms
[2024-05-25 10:51:16] [INFO ] Implicit Places using invariants in 1151 ms returned []
[2024-05-25 10:51:16] [INFO ] Invariant cache hit.
[2024-05-25 10:51:24] [INFO ] Implicit Places using invariants and state equation in 8396 ms returned []
Implicit Place search using SMT with State Equation took 9552 ms to find 0 implicit places.
Running 907 sub problems to find dead transitions.
[2024-05-25 10:51:24] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/958 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
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(s817 1.0)
(s818 1.0)
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(s820 1.0)
(s821 1.0)
(s822 1.0)
(s823 1.0)
(s824 1.0)
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(s829 1.0)
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(s835 1.0)
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(s839 1.0)
(s840 1.0)
(s841 1.0)
(s842 timeout
1.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 958/1955 variables, and 6 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30042 ms.
Refiners :[Generalized P Invariants (flows): 6/51 constraints, State Equation: 0/1003 constraints, PredecessorRefiner: 907/907 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 907 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/958 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/958 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 2 (OVERLAPS) 45/1003 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
(s1 1)
(s2 0)
(s3 723)
(s4 0)
(s5 1)
(s6 722)
(s7 1)
(s8 0)
(s9 1)
(s10 0)
(s11 1)
(s12 720)
(s13 1)
(s14 720)
(s15 1)
(s16 0)
(s17 721)
(s18 0)
(s19 1)
(s20 0)
(s21 1)
(s22 717)
(s23 1)
(s24 715)
(s25 1)
(s26 0)
(s27 1)
(s28 0)
(s29 713)
(s30 0)
(s31 1)
(s32 0)
(s33 1)
(s34 0)
(s35 1)
(s36 0)
(s37 1)
(s38 709)
(s39 1)
(s40 0)
(s41 1)
(s42 707)
(s43 1)
(s44 0)
(s45 1)
(s46 0)
(s47 1)
(s48 704)
(s49 1)
(s50 0)
(s51 1)
(s52 0)
(s53 1)
(s54 0)
(s55 1)
(s56 699)
(s57 1)
(s58 0)
(s59 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1003/1955 variables, and 51 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30024 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 0/1003 constraints, PredecessorRefiner: 0/907 constraints, Known Traps: 0/0 constraints]
After SMT, in 60432ms problems are : Problem set: 0 solved, 907 unsolved
Search for dead transitions found 0 dead transitions in 60445ms
Starting structural reductions in LTL mode, iteration 1 : 1003/1006 places, 952/955 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 70210 ms. Remains : 1003/1006 places, 952/955 transitions.
Stuttering acceptance computed with spot in 131 ms :[(NOT p1), (NOT p1), true, (NOT p0)]
Running random walk in product with property : HirschbergSinclair-PT-45-LTLFireability-04
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA HirschbergSinclair-PT-45-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-45-LTLFireability-04 finished in 70378 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&&(p1 U X(X(G(p1))))&&X(F(p2)))))'
Support contains 3 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 955/955 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 1005 transition count 954
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 1005 transition count 954
Applied a total of 2 rules in 76 ms. Remains 1005 /1006 variables (removed 1) and now considering 954/955 (removed 1) transitions.
// Phase 1: matrix 954 rows 1005 cols
[2024-05-25 10:52:25] [INFO ] Computed 51 invariants in 7 ms
[2024-05-25 10:52:26] [INFO ] Implicit Places using invariants in 883 ms returned []
[2024-05-25 10:52:26] [INFO ] Invariant cache hit.
[2024-05-25 10:52:34] [INFO ] Implicit Places using invariants and state equation in 7802 ms returned []
Implicit Place search using SMT with State Equation took 8699 ms to find 0 implicit places.
Running 909 sub problems to find dead transitions.
[2024-05-25 10:52:34] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/960 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 909 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 960/1959 variables, and 6 constraints, problems are : Problem set: 0 solved, 909 unsolved in 30022 ms.
Refiners :[Generalized P Invariants (flows): 6/51 constraints, State Equation: 0/1005 constraints, PredecessorRefiner: 909/909 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 909 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/960 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 909 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/960 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 909 unsolved
At refinement iteration 2 (OVERLAPS) 45/1005 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 909 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1005/1959 variables, and 51 constraints, problems are : Problem set: 0 solved, 909 unsolved in 30022 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 0/1005 constraints, PredecessorRefiner: 0/909 constraints, Known Traps: 0/0 constraints]
After SMT, in 60370ms problems are : Problem set: 0 solved, 909 unsolved
Search for dead transitions found 0 dead transitions in 60381ms
Starting structural reductions in LTL mode, iteration 1 : 1005/1006 places, 954/955 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 69160 ms. Remains : 1005/1006 places, 954/955 transitions.
Stuttering acceptance computed with spot in 371 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (NOT p1), (NOT p2), (NOT p1), (NOT p1), (NOT p1), (AND (NOT p2) (NOT p1)), (NOT p1)]
Running random walk in product with property : HirschbergSinclair-PT-45-LTLFireability-05
Stuttering criterion allowed to conclude after 1286 steps with 1 reset in 8 ms.
FORMULA HirschbergSinclair-PT-45-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-45-LTLFireability-05 finished in 69576 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 1006 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1006/1006 places, 955/955 transitions.
Reduce places removed 45 places and 45 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 427 transitions
Trivial Post-agglo rules discarded 427 transitions
Performed 427 trivial Post agglomeration. Transition count delta: 427
Iterating post reduction 0 with 427 rules applied. Total rules applied 427 place count 961 transition count 483
Reduce places removed 427 places and 0 transitions.
Iterating post reduction 1 with 427 rules applied. Total rules applied 854 place count 534 transition count 483
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 856 place count 532 transition count 481
Iterating global reduction 2 with 2 rules applied. Total rules applied 858 place count 532 transition count 481
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 1 rules applied. Total rules applied 859 place count 532 transition count 480
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 860 place count 531 transition count 480
Applied a total of 860 rules in 63 ms. Remains 531 /1006 variables (removed 475) and now considering 480/955 (removed 475) transitions.
// Phase 1: matrix 480 rows 531 cols
[2024-05-25 10:53:35] [INFO ] Computed 51 invariants in 3 ms
[2024-05-25 10:53:35] [INFO ] Implicit Places using invariants in 693 ms returned []
[2024-05-25 10:53:35] [INFO ] Invariant cache hit.
[2024-05-25 10:53:38] [INFO ] Implicit Places using invariants and state equation in 2357 ms returned []
Implicit Place search using SMT with State Equation took 3053 ms to find 0 implicit places.
[2024-05-25 10:53:38] [INFO ] Redundant transitions in 2 ms returned []
Running 391 sub problems to find dead transitions.
[2024-05-25 10:53:38] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/442 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/442 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 2 (OVERLAPS) 2/444 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/444 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 4 (OVERLAPS) 393/837 variables, 444/495 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/837 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 391 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 837/1011 variables, and 495 constraints, problems are : Problem set: 0 solved, 391 unsolved in 30013 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 444/531 constraints, PredecessorRefiner: 391/391 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 391 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/442 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/442 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 2 (OVERLAPS) 2/444 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/444 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 4 (OVERLAPS) 393/837 variables, 444/495 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/837 variables, 391/886 constraints. Problems are: Problem set: 0 solved, 391 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 837/1011 variables, and 886 constraints, problems are : Problem set: 0 solved, 391 unsolved in 30015 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 444/531 constraints, PredecessorRefiner: 391/391 constraints, Known Traps: 0/0 constraints]
After SMT, in 60080ms problems are : Problem set: 0 solved, 391 unsolved
Search for dead transitions found 0 dead transitions in 60085ms
Starting structural reductions in SI_LTL mode, iteration 1 : 531/1006 places, 480/955 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 63211 ms. Remains : 531/1006 places, 480/955 transitions.
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : HirschbergSinclair-PT-45-LTLFireability-06
Product exploration explored 100000 steps with 308 reset in 447 ms.
Product exploration explored 100000 steps with 295 reset in 520 ms.
Computed a total of 531 stabilizing places and 480 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 531 transition count 480
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (G p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 23 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HirschbergSinclair-PT-45-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HirschbergSinclair-PT-45-LTLFireability-06 finished in 64544 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 1 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 955/955 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 1004 transition count 953
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 1004 transition count 953
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 1003 transition count 952
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 1003 transition count 952
Applied a total of 6 rules in 120 ms. Remains 1003 /1006 variables (removed 3) and now considering 952/955 (removed 3) transitions.
// Phase 1: matrix 952 rows 1003 cols
[2024-05-25 10:54:39] [INFO ] Computed 51 invariants in 7 ms
[2024-05-25 10:54:40] [INFO ] Implicit Places using invariants in 900 ms returned []
[2024-05-25 10:54:40] [INFO ] Invariant cache hit.
[2024-05-25 10:54:49] [INFO ] Implicit Places using invariants and state equation in 8758 ms returned []
Implicit Place search using SMT with State Equation took 9661 ms to find 0 implicit places.
Running 907 sub problems to find dead transitions.
[2024-05-25 10:54:49] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/958 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
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(s795 timeout
1.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 958/1955 variables, and 6 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30022 ms.
Refiners :[Generalized P Invariants (flows): 6/51 constraints, State Equation: 0/1003 constraints, PredecessorRefiner: 907/907 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 907 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/958 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/958 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 2 (OVERLAPS) 45/1003 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 907 unsolved
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(s546 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1003/1955 variables, and 51 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30040 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 0/1003 constraints, PredecessorRefiner: 0/907 constraints, Known Traps: 0/0 constraints]
After SMT, in 60354ms problems are : Problem set: 0 solved, 907 unsolved
Search for dead transitions found 0 dead transitions in 60368ms
Starting structural reductions in LTL mode, iteration 1 : 1003/1006 places, 952/955 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 70151 ms. Remains : 1003/1006 places, 952/955 transitions.
Stuttering acceptance computed with spot in 128 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : HirschbergSinclair-PT-45-LTLFireability-08
Product exploration explored 100000 steps with 127 reset in 663 ms.
Product exploration explored 100000 steps with 127 reset in 500 ms.
Computed a total of 1003 stabilizing places and 952 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1003 transition count 952
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 4 factoid took 100 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 3139 steps (0 resets) in 27 ms. (112 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 136 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
[2024-05-25 10:55:52] [INFO ] Invariant cache hit.
[2024-05-25 10:55:53] [INFO ] [Real]Absence check using 0 positive and 51 generalized place invariants in 382 ms returned sat
[2024-05-25 10:55:54] [INFO ] [Real]Absence check using state equation in 997 ms returned sat
[2024-05-25 10:55:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 10:55:56] [INFO ] [Nat]Absence check using 0 positive and 51 generalized place invariants in 306 ms returned sat
[2024-05-25 10:56:10] [INFO ] [Nat]Absence check using state equation in 13408 ms returned unknown
Could not prove EG (NOT p0)
Support contains 1 out of 1003 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1003/1003 places, 952/952 transitions.
Reduce places removed 45 places and 45 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 427 transitions
Trivial Post-agglo rules discarded 427 transitions
Performed 427 trivial Post agglomeration. Transition count delta: 427
Iterating post reduction 0 with 427 rules applied. Total rules applied 427 place count 958 transition count 480
Reduce places removed 427 places and 0 transitions.
Iterating post reduction 1 with 427 rules applied. Total rules applied 854 place count 531 transition count 480
Applied a total of 854 rules in 38 ms. Remains 531 /1003 variables (removed 472) and now considering 480/952 (removed 472) transitions.
// Phase 1: matrix 480 rows 531 cols
[2024-05-25 10:56:10] [INFO ] Computed 51 invariants in 4 ms
[2024-05-25 10:56:11] [INFO ] Implicit Places using invariants in 1041 ms returned []
[2024-05-25 10:56:11] [INFO ] Invariant cache hit.
[2024-05-25 10:56:14] [INFO ] Implicit Places using invariants and state equation in 3689 ms returned []
Implicit Place search using SMT with State Equation took 4751 ms to find 0 implicit places.
[2024-05-25 10:56:14] [INFO ] Redundant transitions in 4 ms returned []
Running 391 sub problems to find dead transitions.
[2024-05-25 10:56:14] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/442 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/442 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 2 (OVERLAPS) 2/444 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/444 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 4 (OVERLAPS) 393/837 variables, 444/495 constraints. Problems are: Problem set: 0 solved, 391 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 837/1011 variables, and 495 constraints, problems are : Problem set: 0 solved, 391 unsolved in 30044 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 444/531 constraints, PredecessorRefiner: 391/391 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 391 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/442 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/442 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 2 (OVERLAPS) 2/444 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/444 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 4 (OVERLAPS) 393/837 variables, 444/495 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/837 variables, 391/886 constraints. Problems are: Problem set: 0 solved, 391 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 837/1011 variables, and 886 constraints, problems are : Problem set: 0 solved, 391 unsolved in 30022 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 444/531 constraints, PredecessorRefiner: 391/391 constraints, Known Traps: 0/0 constraints]
After SMT, in 60145ms problems are : Problem set: 0 solved, 391 unsolved
Search for dead transitions found 0 dead transitions in 60153ms
Starting structural reductions in SI_LTL mode, iteration 1 : 531/1003 places, 480/952 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 64961 ms. Remains : 531/1003 places, 480/952 transitions.
Computed a total of 531 stabilizing places and 480 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 531 transition count 480
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 135 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 105 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 1548 steps (0 resets) in 15 ms. (96 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 244 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 100 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 108 ms :[(NOT p0), (NOT p0)]
[2024-05-25 10:57:16] [INFO ] Invariant cache hit.
[2024-05-25 10:57:17] [INFO ] [Real]Absence check using 0 positive and 51 generalized place invariants in 348 ms returned sat
[2024-05-25 10:57:19] [INFO ] [Real]Absence check using state equation in 2638 ms returned sat
[2024-05-25 10:57:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 10:57:20] [INFO ] [Nat]Absence check using 0 positive and 51 generalized place invariants in 458 ms returned sat
[2024-05-25 10:57:21] [INFO ] [Nat]Absence check using state equation in 261 ms returned sat
[2024-05-25 10:57:21] [INFO ] Computed and/alt/rep : 391/398/391 causal constraints (skipped 0 transitions) in 98 ms.
[2024-05-25 10:57:25] [INFO ] Added : 246 causal constraints over 50 iterations in 4153 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 104 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 269 reset in 597 ms.
Product exploration explored 100000 steps with 269 reset in 499 ms.
Support contains 1 out of 531 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 531/531 places, 480/480 transitions.
Applied a total of 0 rules in 22 ms. Remains 531 /531 variables (removed 0) and now considering 480/480 (removed 0) transitions.
[2024-05-25 10:57:26] [INFO ] Invariant cache hit.
[2024-05-25 10:57:27] [INFO ] Implicit Places using invariants in 851 ms returned []
[2024-05-25 10:57:27] [INFO ] Invariant cache hit.
[2024-05-25 10:57:30] [INFO ] Implicit Places using invariants and state equation in 2898 ms returned []
Implicit Place search using SMT with State Equation took 3766 ms to find 0 implicit places.
[2024-05-25 10:57:30] [INFO ] Redundant transitions in 3 ms returned []
Running 391 sub problems to find dead transitions.
[2024-05-25 10:57:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/442 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/442 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 2 (OVERLAPS) 2/444 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/444 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 4 (OVERLAPS) 393/837 variables, 444/495 constraints. Problems are: Problem set: 0 solved, 391 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 837/1011 variables, and 495 constraints, problems are : Problem set: 0 solved, 391 unsolved in 30018 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 444/531 constraints, PredecessorRefiner: 391/391 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 391 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/442 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/442 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 2 (OVERLAPS) 2/444 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/444 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 4 (OVERLAPS) 393/837 variables, 444/495 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/837 variables, 391/886 constraints. Problems are: Problem set: 0 solved, 391 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 837/1011 variables, and 886 constraints, problems are : Problem set: 0 solved, 391 unsolved in 30022 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 444/531 constraints, PredecessorRefiner: 391/391 constraints, Known Traps: 0/0 constraints]
After SMT, in 60115ms problems are : Problem set: 0 solved, 391 unsolved
Search for dead transitions found 0 dead transitions in 60121ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 63924 ms. Remains : 531/531 places, 480/480 transitions.
Treatment of property HirschbergSinclair-PT-45-LTLFireability-08 finished in 231179 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(p1)))'
Support contains 4 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 955/955 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 1004 transition count 953
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 1004 transition count 953
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 1003 transition count 952
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 1003 transition count 952
Applied a total of 6 rules in 254 ms. Remains 1003 /1006 variables (removed 3) and now considering 952/955 (removed 3) transitions.
// Phase 1: matrix 952 rows 1003 cols
[2024-05-25 10:58:31] [INFO ] Computed 51 invariants in 11 ms
[2024-05-25 10:58:32] [INFO ] Implicit Places using invariants in 982 ms returned []
[2024-05-25 10:58:32] [INFO ] Invariant cache hit.
[2024-05-25 10:58:40] [INFO ] Implicit Places using invariants and state equation in 8762 ms returned []
Implicit Place search using SMT with State Equation took 9747 ms to find 0 implicit places.
Running 907 sub problems to find dead transitions.
[2024-05-25 10:58:40] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/958 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 958/1955 variables, and 6 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 6/51 constraints, State Equation: 0/1003 constraints, PredecessorRefiner: 907/907 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 907 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/958 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/958 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 2 (OVERLAPS) 45/1003 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1003/1955 variables, and 51 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 0/1003 constraints, PredecessorRefiner: 0/907 constraints, Known Traps: 0/0 constraints]
After SMT, in 60371ms problems are : Problem set: 0 solved, 907 unsolved
Search for dead transitions found 0 dead transitions in 60381ms
Starting structural reductions in LTL mode, iteration 1 : 1003/1006 places, 952/955 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 70394 ms. Remains : 1003/1006 places, 952/955 transitions.
Stuttering acceptance computed with spot in 225 ms :[(NOT p1), (NOT p1), (AND p0 (NOT p1)), p0]
Running random walk in product with property : HirschbergSinclair-PT-45-LTLFireability-09
Product exploration explored 100000 steps with 149 reset in 698 ms.
Product exploration explored 100000 steps with 150 reset in 506 ms.
Computed a total of 1003 stabilizing places and 952 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1003 transition count 952
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p1)), (X (NOT p0)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p1))), (X (X (NOT p0))), (F (G (NOT p0))), (F (G (NOT p1)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 9 factoid took 198 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 72 ms :[(NOT p1), (NOT p1)]
RANDOM walk for 2950 steps (0 resets) in 35 ms. (81 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p1)), (X (NOT p0)), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p1))), (X (X (NOT p0))), (F (G (NOT p0))), (F (G (NOT p1)))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 9 factoid took 216 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 100 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 98 ms :[(NOT p1), (NOT p1)]
[2024-05-25 10:59:43] [INFO ] Invariant cache hit.
[2024-05-25 10:59:45] [INFO ] [Real]Absence check using 0 positive and 51 generalized place invariants in 560 ms returned sat
[2024-05-25 10:59:58] [INFO ] [Real]Absence check using state equation in 13047 ms returned unknown
Could not prove EG (NOT p1)
Support contains 2 out of 1003 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 1003/1003 places, 952/952 transitions.
Reduce places removed 43 places and 43 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 412 transitions
Trivial Post-agglo rules discarded 412 transitions
Performed 412 trivial Post agglomeration. Transition count delta: 412
Iterating post reduction 0 with 412 rules applied. Total rules applied 412 place count 960 transition count 497
Reduce places removed 412 places and 0 transitions.
Iterating post reduction 1 with 412 rules applied. Total rules applied 824 place count 548 transition count 497
Applied a total of 824 rules in 55 ms. Remains 548 /1003 variables (removed 455) and now considering 497/952 (removed 455) transitions.
// Phase 1: matrix 497 rows 548 cols
[2024-05-25 10:59:58] [INFO ] Computed 51 invariants in 3 ms
[2024-05-25 10:59:59] [INFO ] Implicit Places using invariants in 877 ms returned []
[2024-05-25 10:59:59] [INFO ] Invariant cache hit.
[2024-05-25 11:00:03] [INFO ] Implicit Places using invariants and state equation in 3464 ms returned []
Implicit Place search using SMT with State Equation took 4361 ms to find 0 implicit places.
[2024-05-25 11:00:03] [INFO ] Redundant transitions in 3 ms returned []
Running 412 sub problems to find dead transitions.
[2024-05-25 11:00:03] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/463 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/463 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 2 (OVERLAPS) 4/467 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/467 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 4 (OVERLAPS) 416/883 variables, 467/518 constraints. Problems are: Problem set: 0 solved, 412 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 883/1045 variables, and 518 constraints, problems are : Problem set: 0 solved, 412 unsolved in 30029 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 467/548 constraints, PredecessorRefiner: 412/412 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 412 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/463 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/463 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 2 (OVERLAPS) 4/467 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/467 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 4 (OVERLAPS) 416/883 variables, 467/518 constraints. Problems are: Problem set: 0 solved, 412 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/883 variables, 412/930 constraints. Problems are: Problem set: 0 solved, 412 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 883/1045 variables, and 930 constraints, problems are : Problem set: 0 solved, 412 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 467/548 constraints, PredecessorRefiner: 412/412 constraints, Known Traps: 0/0 constraints]
After SMT, in 60103ms problems are : Problem set: 0 solved, 412 unsolved
Search for dead transitions found 0 dead transitions in 60107ms
Starting structural reductions in SI_LTL mode, iteration 1 : 548/1003 places, 497/952 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 64533 ms. Remains : 548/1003 places, 497/952 transitions.
Computed a total of 548 stabilizing places and 497 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 548 transition count 497
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1))), (F (G (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 130 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 105 ms :[(NOT p1), (NOT p1)]
RANDOM walk for 1512 steps (0 resets) in 16 ms. (88 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1))), (F (G (NOT p1)))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 4 factoid took 159 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 96 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 99 ms :[(NOT p1), (NOT p1)]
[2024-05-25 11:01:04] [INFO ] Invariant cache hit.
[2024-05-25 11:01:05] [INFO ] [Real]Absence check using 0 positive and 51 generalized place invariants in 511 ms returned sat
[2024-05-25 11:01:13] [INFO ] [Real]Absence check using state equation in 7487 ms returned sat
[2024-05-25 11:01:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 11:01:14] [INFO ] [Nat]Absence check using 0 positive and 51 generalized place invariants in 226 ms returned sat
[2024-05-25 11:01:19] [INFO ] [Nat]Absence check using state equation in 5310 ms returned sat
[2024-05-25 11:01:19] [INFO ] Computed and/alt/rep : 396/420/396 causal constraints (skipped 16 transitions) in 37 ms.
[2024-05-25 11:01:27] [INFO ] Added : 243 causal constraints over 49 iterations in 7723 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 169 ms :[(NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 273 reset in 611 ms.
Product exploration explored 100000 steps with 273 reset in 517 ms.
Support contains 2 out of 548 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 548/548 places, 497/497 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 547 transition count 489
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 14 place count 540 transition count 489
Applied a total of 14 rules in 45 ms. Remains 540 /548 variables (removed 8) and now considering 489/497 (removed 8) transitions.
// Phase 1: matrix 489 rows 540 cols
[2024-05-25 11:01:28] [INFO ] Computed 51 invariants in 3 ms
[2024-05-25 11:01:29] [INFO ] Implicit Places using invariants in 1147 ms returned []
[2024-05-25 11:01:29] [INFO ] Invariant cache hit.
[2024-05-25 11:01:33] [INFO ] Implicit Places using invariants and state equation in 3386 ms returned []
Implicit Place search using SMT with State Equation took 4568 ms to find 0 implicit places.
[2024-05-25 11:01:33] [INFO ] Redundant transitions in 4 ms returned []
Running 403 sub problems to find dead transitions.
[2024-05-25 11:01:33] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/454 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 403 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/454 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 403 unsolved
At refinement iteration 2 (OVERLAPS) 3/457 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 403 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 403 unsolved
At refinement iteration 4 (OVERLAPS) 406/863 variables, 457/508 constraints. Problems are: Problem set: 0 solved, 403 unsolved
(s400 0.0timeout
^^^^^^^^^^
(error "Invalid token: 0.0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s323 0.0)
(s324 0.0)
(s325 0.0)
(s326 0.0)
(s327 0.0)
(s328 0.0)
(s329 0.0)
(s330 0.0)
(s331 0.0)
(s332 0.0)
(s333 0.0)
(s334 0.0)
(s335 0.0)
(s336 0.0)
(s337 0.0)
(s338 0.0)
(s339 0.0)
(s340 0.0)
(s341 0.0)
(s342 0.0)
(s343 0.0)
(s344 0.0)
(s345 0.0)
(s346 0.0)
(s347 0.0)
(s348 0.0)
(s349 0.0)
(s350 0.0)
(s351 0.0)
(s352 0.0)
(s353 0.0)
(s354 0.0)
(s355 0.0)
(s356 0.0)
(s357 0.0)
(s358 0.0)
(s359 0.0)
(s360 0.0)
(s361 0.0)
(s362 0.0)
(s363 0.0)
(s364 0.0)
(s365 0.0)
(s366 0.0)
(s367 0.0)
(s368 0.0)
(s369 0.0)
(s370 0.0)
(s371 0.0)
(s372 0.0)
(s373 0.0)
(s374 0.0)
(s375 0.0)
(s376 0.0)
(s377 0.0)
(s378 0.0)
(s379 0.0)
(s380 0.0)
(s381 0.0)
(s382 0.0)
(s383 0.0)
(s384 0.0)
(s385 0.0)
(s386 0.0)
(s387 0.0)
(s388 0.0)
(s389 0.0)
(s390 0.0)
(s391 0.0)
(s392 0.0)
(s393 0.0)
(s394 0.0)
(s395 0.0)
(s396 0.0)
(s397 0.0)
(s398 0.0)
(s399 0.0)
(s400 0.0timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 863/1029 variables, and 508 constraints, problems are : Problem set: 0 solved, 403 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 457/540 constraints, PredecessorRefiner: 403/403 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 403 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/454 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 403 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/454 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 403 unsolved
At refinement iteration 2 (OVERLAPS) 3/457 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 403 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 403 unsolved
At refinement iteration 4 (OVERLAPS) 406/863 variables, 457/508 constraints. Problems are: Problem set: 0 solved, 403 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/863 variables, 403/911 constraints. Problems are: Problem set: 0 solved, 403 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 863/1029 variables, and 911 constraints, problems are : Problem set: 0 solved, 403 unsolved in 30022 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 457/540 constraints, PredecessorRefiner: 403/403 constraints, Known Traps: 0/0 constraints]
After SMT, in 60128ms problems are : Problem set: 0 solved, 403 unsolved
Search for dead transitions found 0 dead transitions in 60136ms
Starting structural reductions in SI_LTL mode, iteration 1 : 540/548 places, 489/497 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 64771 ms. Remains : 540/548 places, 489/497 transitions.
Treatment of property HirschbergSinclair-PT-45-LTLFireability-09 finished in 242479 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 1006 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1006/1006 places, 955/955 transitions.
Reduce places removed 45 places and 45 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 427 transitions
Trivial Post-agglo rules discarded 427 transitions
Performed 427 trivial Post agglomeration. Transition count delta: 427
Iterating post reduction 0 with 427 rules applied. Total rules applied 427 place count 961 transition count 483
Reduce places removed 427 places and 0 transitions.
Iterating post reduction 1 with 427 rules applied. Total rules applied 854 place count 534 transition count 483
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 856 place count 532 transition count 481
Iterating global reduction 2 with 2 rules applied. Total rules applied 858 place count 532 transition count 481
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 1 rules applied. Total rules applied 859 place count 532 transition count 480
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 860 place count 531 transition count 480
Applied a total of 860 rules in 82 ms. Remains 531 /1006 variables (removed 475) and now considering 480/955 (removed 475) transitions.
// Phase 1: matrix 480 rows 531 cols
[2024-05-25 11:02:33] [INFO ] Computed 51 invariants in 7 ms
[2024-05-25 11:02:34] [INFO ] Implicit Places using invariants in 1116 ms returned []
[2024-05-25 11:02:34] [INFO ] Invariant cache hit.
[2024-05-25 11:02:37] [INFO ] Implicit Places using invariants and state equation in 3244 ms returned []
Implicit Place search using SMT with State Equation took 4366 ms to find 0 implicit places.
[2024-05-25 11:02:37] [INFO ] Redundant transitions in 4 ms returned []
Running 391 sub problems to find dead transitions.
[2024-05-25 11:02:37] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/442 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/442 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 2 (OVERLAPS) 2/444 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/444 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 4 (OVERLAPS) 393/837 variables, 444/495 constraints. Problems are: Problem set: 0 solved, 391 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 837/1011 variables, and 495 constraints, problems are : Problem set: 0 solved, 391 unsolved in 30022 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 444/531 constraints, PredecessorRefiner: 391/391 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 391 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/442 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/442 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 2 (OVERLAPS) 2/444 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/444 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 4 (OVERLAPS) 393/837 variables, 444/495 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/837 variables, 391/886 constraints. Problems are: Problem set: 0 solved, 391 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 837/1011 variables, and 886 constraints, problems are : Problem set: 0 solved, 391 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 444/531 constraints, PredecessorRefiner: 391/391 constraints, Known Traps: 0/0 constraints]
After SMT, in 60122ms problems are : Problem set: 0 solved, 391 unsolved
Search for dead transitions found 0 dead transitions in 60130ms
Starting structural reductions in SI_LTL mode, iteration 1 : 531/1006 places, 480/955 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 64599 ms. Remains : 531/1006 places, 480/955 transitions.
Stuttering acceptance computed with spot in 117 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : HirschbergSinclair-PT-45-LTLFireability-10
Product exploration explored 100000 steps with 391 reset in 693 ms.
Product exploration explored 100000 steps with 391 reset in 511 ms.
Computed a total of 531 stabilizing places and 480 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 531 transition count 480
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 103 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 87 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 1102 steps (0 resets) in 10 ms. (100 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : [(F p0)]
Property proved to be false thanks to negative knowledge :(F p0)
Knowledge based reduction with 4 factoid took 125 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA HirschbergSinclair-PT-45-LTLFireability-10 FALSE TECHNIQUES KNOWLEDGE
Treatment of property HirschbergSinclair-PT-45-LTLFireability-10 finished in 66570 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 1 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 955/955 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 1004 transition count 953
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 1004 transition count 953
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 1003 transition count 952
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 1003 transition count 952
Applied a total of 6 rules in 114 ms. Remains 1003 /1006 variables (removed 3) and now considering 952/955 (removed 3) transitions.
// Phase 1: matrix 952 rows 1003 cols
[2024-05-25 11:03:39] [INFO ] Computed 51 invariants in 6 ms
[2024-05-25 11:03:41] [INFO ] Implicit Places using invariants in 1040 ms returned []
[2024-05-25 11:03:41] [INFO ] Invariant cache hit.
[2024-05-25 11:03:49] [INFO ] Implicit Places using invariants and state equation in 8921 ms returned []
Implicit Place search using SMT with State Equation took 9964 ms to find 0 implicit places.
Running 907 sub problems to find dead transitions.
[2024-05-25 11:03:49] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/958 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 958/1955 variables, and 6 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30030 ms.
Refiners :[Generalized P Invariants (flows): 6/51 constraints, State Equation: 0/1003 constraints, PredecessorRefiner: 907/907 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 907 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/958 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/958 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 2 (OVERLAPS) 45/1003 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1003/1955 variables, and 51 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30037 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 0/1003 constraints, PredecessorRefiner: 0/907 constraints, Known Traps: 0/0 constraints]
After SMT, in 60349ms problems are : Problem set: 0 solved, 907 unsolved
Search for dead transitions found 0 dead transitions in 60358ms
Starting structural reductions in LTL mode, iteration 1 : 1003/1006 places, 952/955 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 70438 ms. Remains : 1003/1006 places, 952/955 transitions.
Stuttering acceptance computed with spot in 151 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : HirschbergSinclair-PT-45-LTLFireability-11
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA HirschbergSinclair-PT-45-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-45-LTLFireability-11 finished in 70624 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((G(p1)||p0))))'
Support contains 3 out of 1006 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1006/1006 places, 955/955 transitions.
Reduce places removed 44 places and 44 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 412 transitions
Trivial Post-agglo rules discarded 412 transitions
Performed 412 trivial Post agglomeration. Transition count delta: 412
Iterating post reduction 0 with 412 rules applied. Total rules applied 412 place count 962 transition count 499
Reduce places removed 412 places and 0 transitions.
Iterating post reduction 1 with 412 rules applied. Total rules applied 824 place count 550 transition count 499
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 826 place count 548 transition count 497
Iterating global reduction 2 with 2 rules applied. Total rules applied 828 place count 548 transition count 497
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 1 rules applied. Total rules applied 829 place count 548 transition count 496
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 830 place count 547 transition count 496
Applied a total of 830 rules in 79 ms. Remains 547 /1006 variables (removed 459) and now considering 496/955 (removed 459) transitions.
// Phase 1: matrix 496 rows 547 cols
[2024-05-25 11:04:50] [INFO ] Computed 51 invariants in 3 ms
[2024-05-25 11:04:51] [INFO ] Implicit Places using invariants in 1179 ms returned []
[2024-05-25 11:04:51] [INFO ] Invariant cache hit.
[2024-05-25 11:04:55] [INFO ] Implicit Places using invariants and state equation in 3563 ms returned []
Implicit Place search using SMT with State Equation took 4744 ms to find 0 implicit places.
[2024-05-25 11:04:55] [INFO ] Redundant transitions in 4 ms returned []
Running 409 sub problems to find dead transitions.
[2024-05-25 11:04:55] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (OVERLAPS) 1/461 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/461 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 4 (OVERLAPS) 410/871 variables, 461/512 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/871 variables, 0/512 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 871/1043 variables, and 512 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30015 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 461/547 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 409 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 2 (OVERLAPS) 1/461 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/461 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 4 (OVERLAPS) 410/871 variables, 461/512 constraints. Problems are: Problem set: 0 solved, 409 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/871 variables, 409/921 constraints. Problems are: Problem set: 0 solved, 409 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 871/1043 variables, and 921 constraints, problems are : Problem set: 0 solved, 409 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 461/547 constraints, PredecessorRefiner: 409/409 constraints, Known Traps: 0/0 constraints]
After SMT, in 60119ms problems are : Problem set: 0 solved, 409 unsolved
Search for dead transitions found 0 dead transitions in 60126ms
Starting structural reductions in SI_LTL mode, iteration 1 : 547/1006 places, 496/955 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 64964 ms. Remains : 547/1006 places, 496/955 transitions.
Stuttering acceptance computed with spot in 81 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : HirschbergSinclair-PT-45-LTLFireability-12
Product exploration explored 100000 steps with 615 reset in 598 ms.
Product exploration explored 100000 steps with 573 reset in 638 ms.
Computed a total of 547 stabilizing places and 496 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 547 transition count 496
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT (AND p1 (NOT p0)))), (X p0), (X (NOT p1)), (X (NOT (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT p1))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (F (G (NOT p1))), (F (G p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 11 factoid took 18 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HirschbergSinclair-PT-45-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HirschbergSinclair-PT-45-LTLFireability-12 finished in 66557 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((p0 U X(p1)))))'
Support contains 2 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 955/955 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 1004 transition count 953
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 1004 transition count 953
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 1003 transition count 952
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 1003 transition count 952
Applied a total of 6 rules in 126 ms. Remains 1003 /1006 variables (removed 3) and now considering 952/955 (removed 3) transitions.
// Phase 1: matrix 952 rows 1003 cols
[2024-05-25 11:05:57] [INFO ] Computed 51 invariants in 6 ms
[2024-05-25 11:05:58] [INFO ] Implicit Places using invariants in 964 ms returned []
[2024-05-25 11:05:58] [INFO ] Invariant cache hit.
[2024-05-25 11:06:07] [INFO ] Implicit Places using invariants and state equation in 9469 ms returned []
Implicit Place search using SMT with State Equation took 10437 ms to find 0 implicit places.
Running 907 sub problems to find dead transitions.
[2024-05-25 11:06:07] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/958 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 958/1955 variables, and 6 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30023 ms.
Refiners :[Generalized P Invariants (flows): 6/51 constraints, State Equation: 0/1003 constraints, PredecessorRefiner: 907/907 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 907 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/958 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/958 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 2 (OVERLAPS) 45/1003 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1003/1955 variables, and 51 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30022 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 0/1003 constraints, PredecessorRefiner: 0/907 constraints, Known Traps: 0/0 constraints]
After SMT, in 60330ms problems are : Problem set: 0 solved, 907 unsolved
Search for dead transitions found 0 dead transitions in 60340ms
Starting structural reductions in LTL mode, iteration 1 : 1003/1006 places, 952/955 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 70908 ms. Remains : 1003/1006 places, 952/955 transitions.
Stuttering acceptance computed with spot in 214 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), true]
Running random walk in product with property : HirschbergSinclair-PT-45-LTLFireability-13
Product exploration explored 100000 steps with 270 reset in 626 ms.
Product exploration explored 100000 steps with 271 reset in 682 ms.
Computed a total of 1003 stabilizing places and 952 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1003 transition count 952
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 (NOT p1)), (X (X p0)), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 112 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 231 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), true]
RANDOM walk for 3650 steps (0 resets) in 55 ms. (65 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p0 (NOT p1)), (X (X p0)), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (AND p0 (NOT p1)))), (F (NOT p0)), (F (NOT (OR p0 p1)))]
Knowledge based reduction with 4 factoid took 235 ms. Reduced automaton from 6 states, 7 edges and 2 AP (stutter sensitive) to 6 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 207 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), true]
Stuttering acceptance computed with spot in 199 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), true]
[2024-05-25 11:07:10] [INFO ] Invariant cache hit.
[2024-05-25 11:07:12] [INFO ] [Real]Absence check using 0 positive and 51 generalized place invariants in 299 ms returned sat
[2024-05-25 11:07:13] [INFO ] [Real]Absence check using state equation in 1289 ms returned sat
[2024-05-25 11:07:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 11:07:14] [INFO ] [Nat]Absence check using 0 positive and 51 generalized place invariants in 337 ms returned sat
[2024-05-25 11:07:23] [INFO ] [Nat]Absence check using state equation in 8069 ms returned sat
[2024-05-25 11:07:23] [INFO ] Computed and/alt/rep : 434/440/434 causal constraints (skipped 473 transitions) in 83 ms.
[2024-05-25 11:07:28] [INFO ] Added : 134 causal constraints over 27 iterations in 4948 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 2 out of 1003 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1003/1003 places, 952/952 transitions.
Applied a total of 0 rules in 41 ms. Remains 1003 /1003 variables (removed 0) and now considering 952/952 (removed 0) transitions.
[2024-05-25 11:07:28] [INFO ] Invariant cache hit.
[2024-05-25 11:07:29] [INFO ] Implicit Places using invariants in 967 ms returned []
[2024-05-25 11:07:29] [INFO ] Invariant cache hit.
[2024-05-25 11:07:38] [INFO ] Implicit Places using invariants and state equation in 9111 ms returned []
Implicit Place search using SMT with State Equation took 10081 ms to find 0 implicit places.
Running 907 sub problems to find dead transitions.
[2024-05-25 11:07:38] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/958 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
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(s669 timeout
1.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 958/1955 variables, and 6 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30022 ms.
Refiners :[Generalized P Invariants (flows): 6/51 constraints, State Equation: 0/1003 constraints, PredecessorRefiner: 907/907 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 907 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/958 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/958 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 2 (OVERLAPS) 45/1003 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1003/1955 variables, and 51 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30021 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 0/1003 constraints, PredecessorRefiner: 0/907 constraints, Known Traps: 0/0 constraints]
After SMT, in 60322ms problems are : Problem set: 0 solved, 907 unsolved
Search for dead transitions found 0 dead transitions in 60333ms
Finished structural reductions in LTL mode , in 1 iterations and 70461 ms. Remains : 1003/1003 places, 952/952 transitions.
Computed a total of 1003 stabilizing places and 952 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1003 transition count 952
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 (NOT p1)), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 99 ms. Reduced automaton from 6 states, 7 edges and 2 AP (stutter sensitive) to 6 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 211 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), true]
RANDOM walk for 3628 steps (0 resets) in 32 ms. (109 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND p0 (NOT p1)), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (AND p0 (NOT p1)))), (F (NOT p0)), (F (NOT (OR p0 p1)))]
Knowledge based reduction with 3 factoid took 198 ms. Reduced automaton from 6 states, 7 edges and 2 AP (stutter sensitive) to 6 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 209 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), true]
Stuttering acceptance computed with spot in 204 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), true]
[2024-05-25 11:08:39] [INFO ] Invariant cache hit.
[2024-05-25 11:08:41] [INFO ] [Real]Absence check using 0 positive and 51 generalized place invariants in 307 ms returned sat
[2024-05-25 11:08:42] [INFO ] [Real]Absence check using state equation in 1248 ms returned sat
[2024-05-25 11:08:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 11:08:43] [INFO ] [Nat]Absence check using 0 positive and 51 generalized place invariants in 333 ms returned sat
[2024-05-25 11:08:51] [INFO ] [Nat]Absence check using state equation in 8004 ms returned sat
[2024-05-25 11:08:52] [INFO ] Computed and/alt/rep : 434/440/434 causal constraints (skipped 473 transitions) in 91 ms.
[2024-05-25 11:08:56] [INFO ] Added : 134 causal constraints over 27 iterations in 4967 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 209 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), true]
Product exploration explored 100000 steps with 271 reset in 604 ms.
Product exploration explored 100000 steps with 271 reset in 669 ms.
Applying partial POR strategy [false, false, true, false, false, true]
Stuttering acceptance computed with spot in 206 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), true]
Support contains 2 out of 1003 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1003/1003 places, 952/952 transitions.
Performed 426 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 426 rules applied. Total rules applied 426 place count 1003 transition count 952
Deduced a syphon composed of 426 places in 5 ms
Applied a total of 426 rules in 333 ms. Remains 1003 /1003 variables (removed 0) and now considering 952/952 (removed 0) transitions.
[2024-05-25 11:08:59] [INFO ] Redundant transitions in 10 ms returned []
Running 907 sub problems to find dead transitions.
// Phase 1: matrix 952 rows 1003 cols
[2024-05-25 11:08:59] [INFO ] Computed 51 invariants in 6 ms
[2024-05-25 11:08:59] [INFO ] State equation strengthened by 426 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/958 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 958/1955 variables, and 6 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30035 ms.
Refiners :[Generalized P Invariants (flows): 6/51 constraints, State Equation: 0/1003 constraints, ReadFeed: 0/426 constraints, PredecessorRefiner: 907/907 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 907 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/958 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/958 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 2 (OVERLAPS) 45/1003 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
(s1 723)
(s2 0)
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(s4 0)
(s5 1)
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(s7 1)
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(s14 720)
(s15 1)
(s16 720)
(s17 1)
(s18 0)
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(s21 1)
(s22 0)
(s23 718)
(s24 715)
(s25 1)
(s26 713)
(s27 1)
(s28 0)
(s29 1)
(s30 0)
(s31 713)
(s32 0)
(s33 713)
(s34 0)
(s35 1)
(s36 710)
(s37 1)
(s38 709)
(s39 1)
(s40 0)
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(s42 0)
(s43 708)
(s44 706)
(s45 1)
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(s61 1)
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(s63 1)
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(s67 696)
(s68 694)
(s69 1)
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(s73 692)
(s74 689)
(s75 1)
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(s77 689)
(s78 0)
(s79 1)
(s80 685)
(s81 1)
(s82 683)
(s83 1)
(s84 0)
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(s87 1)
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1) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1003/1955 variables, and 51 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 0/1003 constraints, ReadFeed: 0/426 constraints, PredecessorRefiner: 0/907 constraints, Known Traps: 0/0 constraints]
After SMT, in 60299ms problems are : Problem set: 0 solved, 907 unsolved
Search for dead transitions found 0 dead transitions in 60310ms
Starting structural reductions in SI_LTL mode, iteration 1 : 1003/1003 places, 952/952 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60664 ms. Remains : 1003/1003 places, 952/952 transitions.
Support contains 2 out of 1003 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1003/1003 places, 952/952 transitions.
Applied a total of 0 rules in 50 ms. Remains 1003 /1003 variables (removed 0) and now considering 952/952 (removed 0) transitions.
// Phase 1: matrix 952 rows 1003 cols
[2024-05-25 11:09:59] [INFO ] Computed 51 invariants in 6 ms
[2024-05-25 11:10:00] [INFO ] Implicit Places using invariants in 992 ms returned []
[2024-05-25 11:10:00] [INFO ] Invariant cache hit.
[2024-05-25 11:10:09] [INFO ] Implicit Places using invariants and state equation in 9182 ms returned []
Implicit Place search using SMT with State Equation took 10178 ms to find 0 implicit places.
Running 907 sub problems to find dead transitions.
[2024-05-25 11:10:09] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/958 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 958/1955 variables, and 6 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 6/51 constraints, State Equation: 0/1003 constraints, PredecessorRefiner: 907/907 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 907 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/958 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/958 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 2 (OVERLAPS) 45/1003 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1003/1955 variables, and 51 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30051 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 0/1003 constraints, PredecessorRefiner: 0/907 constraints, Known Traps: 0/0 constraints]
After SMT, in 60407ms problems are : Problem set: 0 solved, 907 unsolved
Search for dead transitions found 0 dead transitions in 60419ms
Finished structural reductions in LTL mode , in 1 iterations and 70651 ms. Remains : 1003/1003 places, 952/952 transitions.
Treatment of property HirschbergSinclair-PT-45-LTLFireability-13 finished in 313267 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(G(p0))&&F(p1)))))'
Support contains 3 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 955/955 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 1004 transition count 953
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 1004 transition count 953
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 1003 transition count 952
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 1003 transition count 952
Applied a total of 6 rules in 139 ms. Remains 1003 /1006 variables (removed 3) and now considering 952/955 (removed 3) transitions.
[2024-05-25 11:11:10] [INFO ] Invariant cache hit.
[2024-05-25 11:11:11] [INFO ] Implicit Places using invariants in 810 ms returned []
[2024-05-25 11:11:11] [INFO ] Invariant cache hit.
[2024-05-25 11:11:20] [INFO ] Implicit Places using invariants and state equation in 8870 ms returned []
Implicit Place search using SMT with State Equation took 9684 ms to find 0 implicit places.
Running 907 sub problems to find dead transitions.
[2024-05-25 11:11:20] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/958 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
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(s951 timeout
1.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 958/1955 variables, and 6 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30030 ms.
Refiners :[Generalized P Invariants (flows): 6/51 constraints, State Equation: 0/1003 constraints, PredecessorRefiner: 907/907 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 907 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/958 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/958 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 907 unsolved
At refinement iteration 2 (OVERLAPS) 45/1003 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 907 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
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(s600 1)
(s601 1)
(s602 1)
(s603 1)
(s604 1)
(s605 1)
(s606 1)
(s607 1)
(s608 1)
(s609 1)
(s610 1)
(s611 1)
(s612 1)
(s613 1)
(s614 1)
(s615 1)
(s616 1)
(s617 1)
(s618 1)
(s619 1)
(s620 1)
(s621 1)
(s622 1)
(s623 1)
(s624 1)
(s625 1)
(s626 1)
(s627 1)
(s628 1)
(s629 1)
(s630 1)
(s631 1)
(s632 1)
(s633 1)
(s634 1)
(s635 1)
(s636 1)
(s637 1)
(s638 1)
(s639 1)
(s640 1)
(s641 1)
(s642 1)
(s643 1)
(s644 1)
(s645 1)
(s646 1)
(s647 1)
(s648 1)
(s649 1)
(s650 1)
(s651 1)
(s652 1)
(s653 1)
(s654 1)
(s655 1)
(s656 1)
(s657 1)
(s658 1)
(s659 1)
(s660 1)
(s661 1)
(s662 1)
(s663 1)
(s664 1)
(s665 1)
(s666 1)
(s667 1)
(s668 1)
(s669 1)
(s670 1)
(s671 1)
(s672 1)
(s673 1)
(s674 1)
(s675 1)
(s676 1)
(s677 1)
(s678 1)
(s679 1)
(s680 1)
(s681 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1003/1955 variables, and 51 constraints, problems are : Problem set: 0 solved, 907 unsolved in 30024 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 0/1003 constraints, PredecessorRefiner: 0/907 constraints, Known Traps: 0/0 constraints]
After SMT, in 60379ms problems are : Problem set: 0 solved, 907 unsolved
Search for dead transitions found 0 dead transitions in 60390ms
Starting structural reductions in LTL mode, iteration 1 : 1003/1006 places, 952/955 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 70216 ms. Remains : 1003/1006 places, 952/955 transitions.
Stuttering acceptance computed with spot in 213 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1)]
Running random walk in product with property : HirschbergSinclair-PT-45-LTLFireability-14
Stuttering criterion allowed to conclude after 2599 steps with 2 reset in 12 ms.
FORMULA HirschbergSinclair-PT-45-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-45-LTLFireability-14 finished in 70563 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))||F(p1)))'
Support contains 5 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1006/1006 places, 955/955 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 1005 transition count 954
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 1005 transition count 954
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 1004 transition count 953
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 1004 transition count 953
Applied a total of 4 rules in 128 ms. Remains 1004 /1006 variables (removed 2) and now considering 953/955 (removed 2) transitions.
// Phase 1: matrix 953 rows 1004 cols
[2024-05-25 11:12:21] [INFO ] Computed 51 invariants in 5 ms
[2024-05-25 11:12:21] [INFO ] Implicit Places using invariants in 940 ms returned []
[2024-05-25 11:12:21] [INFO ] Invariant cache hit.
[2024-05-25 11:12:30] [INFO ] Implicit Places using invariants and state equation in 8422 ms returned []
Implicit Place search using SMT with State Equation took 9364 ms to find 0 implicit places.
Running 908 sub problems to find dead transitions.
[2024-05-25 11:12:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/959 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 908 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 959/1957 variables, and 6 constraints, problems are : Problem set: 0 solved, 908 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 6/51 constraints, State Equation: 0/1004 constraints, PredecessorRefiner: 908/908 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 908 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/959 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 908 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/959 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 908 unsolved
At refinement iteration 2 (OVERLAPS) 45/1004 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 908 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1004/1957 variables, and 51 constraints, problems are : Problem set: 0 solved, 908 unsolved in 30029 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 0/1004 constraints, PredecessorRefiner: 0/908 constraints, Known Traps: 0/0 constraints]
After SMT, in 60352ms problems are : Problem set: 0 solved, 908 unsolved
Search for dead transitions found 0 dead transitions in 60363ms
Starting structural reductions in LTL mode, iteration 1 : 1004/1006 places, 953/955 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 69858 ms. Remains : 1004/1006 places, 953/955 transitions.
Stuttering acceptance computed with spot in 124 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : HirschbergSinclair-PT-45-LTLFireability-15
Product exploration explored 100000 steps with 1527 reset in 761 ms.
Product exploration explored 100000 steps with 1442 reset in 844 ms.
Computed a total of 1004 stabilizing places and 953 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1004 transition count 953
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND (NOT p1) p0))), (X (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT p1)), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0))), (F (G (NOT p1))), (F (G (NOT p0)))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
Knowledge based reduction with 9 factoid took 444 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 113 ms :[(NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 473 steps (0 resets) in 10 ms. (43 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND (NOT p1) p0))), (X (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT p1)), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0))), (F (G (NOT p1))), (F (G (NOT p0)))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (F p1)]
Knowledge based reduction with 9 factoid took 374 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 106 ms :[(NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 106 ms :[(NOT p1), (NOT p1), (NOT p1)]
[2024-05-25 11:13:34] [INFO ] Invariant cache hit.
[2024-05-25 11:13:35] [INFO ] [Real]Absence check using 0 positive and 51 generalized place invariants in 317 ms returned sat
[2024-05-25 11:13:40] [INFO ] [Real]Absence check using state equation in 4645 ms returned sat
[2024-05-25 11:13:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 11:13:41] [INFO ] [Nat]Absence check using 0 positive and 51 generalized place invariants in 347 ms returned sat
[2024-05-25 11:13:55] [INFO ] [Nat]Absence check using state equation in 13644 ms returned unknown
Could not prove EG (NOT p1)
Support contains 4 out of 1004 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 1004/1004 places, 953/953 transitions.
Applied a total of 0 rules in 46 ms. Remains 1004 /1004 variables (removed 0) and now considering 953/953 (removed 0) transitions.
[2024-05-25 11:13:55] [INFO ] Invariant cache hit.
[2024-05-25 11:13:56] [INFO ] Implicit Places using invariants in 964 ms returned []
[2024-05-25 11:13:56] [INFO ] Invariant cache hit.
[2024-05-25 11:14:04] [INFO ] Implicit Places using invariants and state equation in 8380 ms returned []
Implicit Place search using SMT with State Equation took 9360 ms to find 0 implicit places.
Running 908 sub problems to find dead transitions.
[2024-05-25 11:14:04] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/959 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 908 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 959/1957 variables, and 6 constraints, problems are : Problem set: 0 solved, 908 unsolved in 30023 ms.
Refiners :[Generalized P Invariants (flows): 6/51 constraints, State Equation: 0/1004 constraints, PredecessorRefiner: 908/908 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 908 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/959 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 908 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/959 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 908 unsolved
At refinement iteration 2 (OVERLAPS) 45/1004 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 908 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1004/1957 variables, and 51 constraints, problems are : Problem set: 0 solved, 908 unsolved in 30021 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 0/1004 constraints, PredecessorRefiner: 0/908 constraints, Known Traps: 0/0 constraints]
After SMT, in 60366ms problems are : Problem set: 0 solved, 908 unsolved
Search for dead transitions found 0 dead transitions in 60376ms
Finished structural reductions in LTL mode , in 1 iterations and 69785 ms. Remains : 1004/1004 places, 953/953 transitions.
Computed a total of 1004 stabilizing places and 953 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 1004 transition count 953
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p1), (F (G (NOT p1)))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1))]
Knowledge based reduction with 2 factoid took 137 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 110 ms :[(NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 118 steps (0 resets) in 6 ms. (16 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p1), (F (G (NOT p1)))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1)), (F p1)]
Knowledge based reduction with 2 factoid took 151 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 264 ms :[(NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 108 ms :[(NOT p1), (NOT p1), (NOT p1)]
[2024-05-25 11:15:06] [INFO ] Invariant cache hit.
[2024-05-25 11:15:07] [INFO ] [Real]Absence check using 0 positive and 51 generalized place invariants in 325 ms returned sat
[2024-05-25 11:15:12] [INFO ] [Real]Absence check using state equation in 4814 ms returned sat
[2024-05-25 11:15:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 11:15:13] [INFO ] [Nat]Absence check using 0 positive and 51 generalized place invariants in 352 ms returned sat
[2024-05-25 11:15:27] [INFO ] [Nat]Absence check using state equation in 13632 ms returned unknown
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 118 ms :[(NOT p1), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 1496 reset in 739 ms.
Product exploration explored 100000 steps with 1428 reset in 817 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 110 ms :[(NOT p1), (NOT p1), (NOT p1)]
Support contains 4 out of 1004 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1004/1004 places, 953/953 transitions.
Performed 411 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 411 rules applied. Total rules applied 411 place count 1004 transition count 953
Deduced a syphon composed of 411 places in 6 ms
Applied a total of 411 rules in 147 ms. Remains 1004 /1004 variables (removed 0) and now considering 953/953 (removed 0) transitions.
[2024-05-25 11:15:29] [INFO ] Redundant transitions in 11 ms returned []
Running 908 sub problems to find dead transitions.
// Phase 1: matrix 953 rows 1004 cols
[2024-05-25 11:15:29] [INFO ] Computed 51 invariants in 5 ms
[2024-05-25 11:15:29] [INFO ] State equation strengthened by 411 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/959 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 908 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 959/1957 variables, and 6 constraints, problems are : Problem set: 0 solved, 908 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 6/51 constraints, State Equation: 0/1004 constraints, ReadFeed: 0/411 constraints, PredecessorRefiner: 908/908 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 908 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/959 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 908 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/959 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 908 unsolved
At refinement iteration 2 (OVERLAPS) 45/1004 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 908 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1004/1957 variables, and 51 constraints, problems are : Problem set: 0 solved, 908 unsolved in 30022 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 0/1004 constraints, ReadFeed: 0/411 constraints, PredecessorRefiner: 0/908 constraints, Known Traps: 0/0 constraints]
After SMT, in 60290ms problems are : Problem set: 0 solved, 908 unsolved
Search for dead transitions found 0 dead transitions in 60301ms
Starting structural reductions in SI_LTL mode, iteration 1 : 1004/1004 places, 953/953 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60470 ms. Remains : 1004/1004 places, 953/953 transitions.
Support contains 4 out of 1004 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1004/1004 places, 953/953 transitions.
Applied a total of 0 rules in 43 ms. Remains 1004 /1004 variables (removed 0) and now considering 953/953 (removed 0) transitions.
// Phase 1: matrix 953 rows 1004 cols
[2024-05-25 11:16:29] [INFO ] Computed 51 invariants in 5 ms
[2024-05-25 11:16:30] [INFO ] Implicit Places using invariants in 914 ms returned []
[2024-05-25 11:16:30] [INFO ] Invariant cache hit.
[2024-05-25 11:16:38] [INFO ] Implicit Places using invariants and state equation in 7750 ms returned []
Implicit Place search using SMT with State Equation took 8670 ms to find 0 implicit places.
Running 908 sub problems to find dead transitions.
[2024-05-25 11:16:38] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/959 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 908 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 959/1957 variables, and 6 constraints, problems are : Problem set: 0 solved, 908 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 6/51 constraints, State Equation: 0/1004 constraints, PredecessorRefiner: 908/908 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 908 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/959 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 908 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/959 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 908 unsolved
At refinement iteration 2 (OVERLAPS) 45/1004 variables, 45/51 constraints. Problems are: Problem set: 0 solved, 908 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1004/1957 variables, and 51 constraints, problems are : Problem set: 0 solved, 908 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 0/1004 constraints, PredecessorRefiner: 0/908 constraints, Known Traps: 0/0 constraints]
After SMT, in 60338ms problems are : Problem set: 0 solved, 908 unsolved
Search for dead transitions found 0 dead transitions in 60347ms
Finished structural reductions in LTL mode , in 1 iterations and 69063 ms. Remains : 1004/1004 places, 953/953 transitions.
Treatment of property HirschbergSinclair-PT-45-LTLFireability-15 finished in 317972 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)))'
Found a Shortening insensitive property : HirschbergSinclair-PT-45-LTLFireability-08
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0)]
Support contains 1 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 1006/1006 places, 955/955 transitions.
Reduce places removed 45 places and 45 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 427 transitions
Trivial Post-agglo rules discarded 427 transitions
Performed 427 trivial Post agglomeration. Transition count delta: 427
Iterating post reduction 0 with 427 rules applied. Total rules applied 427 place count 961 transition count 483
Reduce places removed 427 places and 0 transitions.
Iterating post reduction 1 with 427 rules applied. Total rules applied 854 place count 534 transition count 483
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 856 place count 532 transition count 481
Iterating global reduction 2 with 2 rules applied. Total rules applied 858 place count 532 transition count 481
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 1 rules applied. Total rules applied 859 place count 532 transition count 480
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 860 place count 531 transition count 480
Applied a total of 860 rules in 51 ms. Remains 531 /1006 variables (removed 475) and now considering 480/955 (removed 475) transitions.
// Phase 1: matrix 480 rows 531 cols
[2024-05-25 11:17:39] [INFO ] Computed 51 invariants in 2 ms
[2024-05-25 11:17:40] [INFO ] Implicit Places using invariants in 884 ms returned []
[2024-05-25 11:17:40] [INFO ] Invariant cache hit.
[2024-05-25 11:17:43] [INFO ] Implicit Places using invariants and state equation in 3052 ms returned []
Implicit Place search using SMT with State Equation took 3939 ms to find 0 implicit places.
Running 391 sub problems to find dead transitions.
[2024-05-25 11:17:43] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/442 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/442 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 2 (OVERLAPS) 2/444 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/444 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 4 (OVERLAPS) 393/837 variables, 444/495 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/837 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 391 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 837/1011 variables, and 495 constraints, problems are : Problem set: 0 solved, 391 unsolved in 30014 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 444/531 constraints, PredecessorRefiner: 391/391 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 391 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/442 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/442 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 2 (OVERLAPS) 2/444 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/444 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 4 (OVERLAPS) 393/837 variables, 444/495 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/837 variables, 391/886 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/837 variables, 0/886 constraints. Problems are: Problem set: 0 solved, 391 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 837/1011 variables, and 886 constraints, problems are : Problem set: 0 solved, 391 unsolved in 30031 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 444/531 constraints, PredecessorRefiner: 391/391 constraints, Known Traps: 0/0 constraints]
After SMT, in 60099ms problems are : Problem set: 0 solved, 391 unsolved
Search for dead transitions found 0 dead transitions in 60104ms
Starting structural reductions in LI_LTL mode, iteration 1 : 531/1006 places, 480/955 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 64096 ms. Remains : 531/1006 places, 480/955 transitions.
Running random walk in product with property : HirschbergSinclair-PT-45-LTLFireability-08
Product exploration explored 100000 steps with 269 reset in 361 ms.
Product exploration explored 100000 steps with 268 reset in 425 ms.
Computed a total of 531 stabilizing places and 480 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 531 transition count 480
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 4 factoid took 95 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 1557 steps (0 resets) in 11 ms. (129 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 111 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
[2024-05-25 11:18:44] [INFO ] Invariant cache hit.
[2024-05-25 11:18:45] [INFO ] [Real]Absence check using 0 positive and 51 generalized place invariants in 225 ms returned sat
[2024-05-25 11:18:47] [INFO ] [Real]Absence check using state equation in 2440 ms returned sat
[2024-05-25 11:18:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 11:18:48] [INFO ] [Nat]Absence check using 0 positive and 51 generalized place invariants in 426 ms returned sat
[2024-05-25 11:18:49] [INFO ] [Nat]Absence check using state equation in 287 ms returned sat
[2024-05-25 11:18:49] [INFO ] Computed and/alt/rep : 391/398/391 causal constraints (skipped 0 transitions) in 36 ms.
[2024-05-25 11:18:51] [INFO ] Added : 246 causal constraints over 50 iterations in 2616 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 531 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 531/531 places, 480/480 transitions.
Applied a total of 0 rules in 24 ms. Remains 531 /531 variables (removed 0) and now considering 480/480 (removed 0) transitions.
[2024-05-25 11:18:51] [INFO ] Invariant cache hit.
[2024-05-25 11:18:52] [INFO ] Implicit Places using invariants in 909 ms returned []
[2024-05-25 11:18:52] [INFO ] Invariant cache hit.
[2024-05-25 11:18:55] [INFO ] Implicit Places using invariants and state equation in 2872 ms returned []
Implicit Place search using SMT with State Equation took 3800 ms to find 0 implicit places.
[2024-05-25 11:18:55] [INFO ] Redundant transitions in 2 ms returned []
Running 391 sub problems to find dead transitions.
[2024-05-25 11:18:55] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/442 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/442 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 2 (OVERLAPS) 2/444 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/444 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 4 (OVERLAPS) 393/837 variables, 444/495 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/837 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 391 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 837/1011 variables, and 495 constraints, problems are : Problem set: 0 solved, 391 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 444/531 constraints, PredecessorRefiner: 391/391 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 391 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/442 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/442 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 2 (OVERLAPS) 2/444 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/444 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 4 (OVERLAPS) 393/837 variables, 444/495 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/837 variables, 391/886 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/837 variables, 0/886 constraints. Problems are: Problem set: 0 solved, 391 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 837/1011 variables, and 886 constraints, problems are : Problem set: 0 solved, 391 unsolved in 30015 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 444/531 constraints, PredecessorRefiner: 391/391 constraints, Known Traps: 0/0 constraints]
After SMT, in 60099ms problems are : Problem set: 0 solved, 391 unsolved
Search for dead transitions found 0 dead transitions in 60103ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 63941 ms. Remains : 531/531 places, 480/480 transitions.
Computed a total of 531 stabilizing places and 480 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 531 transition count 480
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 96 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 76 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 1563 steps (0 resets) in 10 ms. (142 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 109 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 100 ms :[(NOT p0), (NOT p0)]
[2024-05-25 11:19:56] [INFO ] Invariant cache hit.
[2024-05-25 11:19:57] [INFO ] [Real]Absence check using 0 positive and 51 generalized place invariants in 223 ms returned sat
[2024-05-25 11:19:59] [INFO ] [Real]Absence check using state equation in 2390 ms returned sat
[2024-05-25 11:19:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-25 11:20:00] [INFO ] [Nat]Absence check using 0 positive and 51 generalized place invariants in 424 ms returned sat
[2024-05-25 11:20:00] [INFO ] [Nat]Absence check using state equation in 267 ms returned sat
[2024-05-25 11:20:00] [INFO ] Computed and/alt/rep : 391/398/391 causal constraints (skipped 0 transitions) in 35 ms.
[2024-05-25 11:20:03] [INFO ] Added : 246 causal constraints over 50 iterations in 2605 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 85 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 269 reset in 366 ms.
Product exploration explored 100000 steps with 268 reset in 427 ms.
Support contains 1 out of 531 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 531/531 places, 480/480 transitions.
Applied a total of 0 rules in 17 ms. Remains 531 /531 variables (removed 0) and now considering 480/480 (removed 0) transitions.
[2024-05-25 11:20:04] [INFO ] Invariant cache hit.
[2024-05-25 11:20:04] [INFO ] Implicit Places using invariants in 741 ms returned []
[2024-05-25 11:20:04] [INFO ] Invariant cache hit.
[2024-05-25 11:20:07] [INFO ] Implicit Places using invariants and state equation in 2918 ms returned []
Implicit Place search using SMT with State Equation took 3677 ms to find 0 implicit places.
[2024-05-25 11:20:07] [INFO ] Redundant transitions in 3 ms returned []
Running 391 sub problems to find dead transitions.
[2024-05-25 11:20:07] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/442 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/442 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 2 (OVERLAPS) 2/444 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/444 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 4 (OVERLAPS) 393/837 variables, 444/495 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/837 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 391 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 837/1011 variables, and 495 constraints, problems are : Problem set: 0 solved, 391 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 444/531 constraints, PredecessorRefiner: 391/391 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 391 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/442 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/442 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 2 (OVERLAPS) 2/444 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/444 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 4 (OVERLAPS) 393/837 variables, 444/495 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/837 variables, 391/886 constraints. Problems are: Problem set: 0 solved, 391 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/837 variables, 0/886 constraints. Problems are: Problem set: 0 solved, 391 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 837/1011 variables, and 886 constraints, problems are : Problem set: 0 solved, 391 unsolved in 30015 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 444/531 constraints, PredecessorRefiner: 391/391 constraints, Known Traps: 0/0 constraints]
After SMT, in 60086ms problems are : Problem set: 0 solved, 391 unsolved
Search for dead transitions found 0 dead transitions in 60090ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 63799 ms. Remains : 531/531 places, 480/480 transitions.
Treatment of property HirschbergSinclair-PT-45-LTLFireability-08 finished in 209215 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(p1)))'
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((p0 U X(p1)))))'
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))||F(p1)))'
Found a Lengthening insensitive property : HirschbergSinclair-PT-45-LTLFireability-15
Stuttering acceptance computed with spot in 112 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Support contains 5 out of 1006 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 1006/1006 places, 955/955 transitions.
Reduce places removed 42 places and 42 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 411 transitions
Trivial Post-agglo rules discarded 411 transitions
Performed 411 trivial Post agglomeration. Transition count delta: 411
Iterating post reduction 0 with 411 rules applied. Total rules applied 411 place count 964 transition count 502
Reduce places removed 411 places and 0 transitions.
Iterating post reduction 1 with 411 rules applied. Total rules applied 822 place count 553 transition count 502
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 823 place count 552 transition count 501
Iterating global reduction 2 with 1 rules applied. Total rules applied 824 place count 552 transition count 501
Applied a total of 824 rules in 43 ms. Remains 552 /1006 variables (removed 454) and now considering 501/955 (removed 454) transitions.
// Phase 1: matrix 501 rows 552 cols
[2024-05-25 11:21:08] [INFO ] Computed 51 invariants in 3 ms
[2024-05-25 11:21:09] [INFO ] Implicit Places using invariants in 894 ms returned []
[2024-05-25 11:21:09] [INFO ] Invariant cache hit.
[2024-05-25 11:21:10] [INFO ] State equation strengthened by 8 read => feed constraints.
[2024-05-25 11:21:13] [INFO ] Implicit Places using invariants and state equation in 3939 ms returned []
Implicit Place search using SMT with State Equation took 4868 ms to find 0 implicit places.
Running 419 sub problems to find dead transitions.
[2024-05-25 11:21:13] [INFO ] Invariant cache hit.
[2024-05-25 11:21:13] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/470 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/470 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 2 (OVERLAPS) 5/475 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/475 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 4 (OVERLAPS) 424/899 variables, 475/526 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/899 variables, 8/534 constraints. Problems are: Problem set: 0 solved, 419 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 899/1053 variables, and 534 constraints, problems are : Problem set: 0 solved, 419 unsolved in 30016 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 475/552 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 419/419 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 419 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/470 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/470 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 2 (OVERLAPS) 5/475 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/475 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 4 (OVERLAPS) 424/899 variables, 475/526 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/899 variables, 8/534 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/899 variables, 419/953 constraints. Problems are: Problem set: 0 solved, 419 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 899/1053 variables, and 953 constraints, problems are : Problem set: 0 solved, 419 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 475/552 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 419/419 constraints, Known Traps: 0/0 constraints]
After SMT, in 60099ms problems are : Problem set: 0 solved, 419 unsolved
Search for dead transitions found 0 dead transitions in 60105ms
Starting structural reductions in LI_LTL mode, iteration 1 : 552/1006 places, 501/955 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 65019 ms. Remains : 552/1006 places, 501/955 transitions.
Running random walk in product with property : HirschbergSinclair-PT-45-LTLFireability-15
Product exploration explored 100000 steps with 1338 reset in 812 ms.
Product exploration explored 100000 steps with 1313 reset in 901 ms.
Computed a total of 552 stabilizing places and 501 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 552 transition count 501
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND (NOT p1) p0))), (X (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT p1)), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0))), (F (G (NOT p1))), (F (G (NOT p0)))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
Knowledge based reduction with 9 factoid took 399 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 105 ms :[(NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 401 steps (0 resets) in 8 ms. (44 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND (NOT p1) p0))), (X (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT p1)), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT p0))), (F (G (NOT p1))), (F (G (NOT p0)))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (F p1)]
Knowledge based reduction with 9 factoid took 358 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 109 ms :[(NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 102 ms :[(NOT p1), (NOT p1), (NOT p1)]
[2024-05-25 11:22:16] [INFO ] Invariant cache hit.
[2024-05-25 11:22:17] [INFO ] [Real]Absence check using 0 positive and 51 generalized place invariants in 560 ms returned sat
[2024-05-25 11:22:31] [INFO ] [Real]Absence check using state equation in 13937 ms returned unknown
Could not prove EG (NOT p1)
Support contains 4 out of 552 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 552/552 places, 501/501 transitions.
Applied a total of 0 rules in 13 ms. Remains 552 /552 variables (removed 0) and now considering 501/501 (removed 0) transitions.
[2024-05-25 11:22:31] [INFO ] Invariant cache hit.
[2024-05-25 11:22:32] [INFO ] Implicit Places using invariants in 992 ms returned []
[2024-05-25 11:22:32] [INFO ] Invariant cache hit.
[2024-05-25 11:22:33] [INFO ] State equation strengthened by 8 read => feed constraints.
[2024-05-25 11:22:36] [INFO ] Implicit Places using invariants and state equation in 3878 ms returned []
Implicit Place search using SMT with State Equation took 4907 ms to find 0 implicit places.
Running 419 sub problems to find dead transitions.
[2024-05-25 11:22:36] [INFO ] Invariant cache hit.
[2024-05-25 11:22:36] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/470 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/470 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 2 (OVERLAPS) 5/475 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/475 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 4 (OVERLAPS) 424/899 variables, 475/526 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/899 variables, 8/534 constraints. Problems are: Problem set: 0 solved, 419 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 899/1053 variables, and 534 constraints, problems are : Problem set: 0 solved, 419 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 475/552 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 419/419 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 419 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/470 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/470 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 2 (OVERLAPS) 5/475 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/475 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 4 (OVERLAPS) 424/899 variables, 475/526 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/899 variables, 8/534 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/899 variables, 419/953 constraints. Problems are: Problem set: 0 solved, 419 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 899/1053 variables, and 953 constraints, problems are : Problem set: 0 solved, 419 unsolved in 30015 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 475/552 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 419/419 constraints, Known Traps: 0/0 constraints]
After SMT, in 60098ms problems are : Problem set: 0 solved, 419 unsolved
Search for dead transitions found 0 dead transitions in 60103ms
Finished structural reductions in LTL mode , in 1 iterations and 65025 ms. Remains : 552/552 places, 501/501 transitions.
Computed a total of 552 stabilizing places and 501 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 552 transition count 501
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p1), (F (G (NOT p1)))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1))]
Knowledge based reduction with 2 factoid took 126 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 107 ms :[(NOT p1), (NOT p1), (NOT p1)]
RANDOM walk for 369 steps (0 resets) in 7 ms. (46 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p1), (F (G (NOT p1)))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1)), (F p1)]
Knowledge based reduction with 2 factoid took 144 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 3 states, 3 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 102 ms :[(NOT p1), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 105 ms :[(NOT p1), (NOT p1), (NOT p1)]
[2024-05-25 11:23:37] [INFO ] Invariant cache hit.
[2024-05-25 11:23:38] [INFO ] [Real]Absence check using 0 positive and 51 generalized place invariants in 570 ms returned sat
[2024-05-25 11:23:52] [INFO ] [Real]Absence check using state equation in 13927 ms returned unknown
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 101 ms :[(NOT p1), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 1341 reset in 814 ms.
Product exploration explored 100000 steps with 1341 reset in 910 ms.
Applying partial POR strategy [true, false, false]
Stuttering acceptance computed with spot in 109 ms :[(NOT p1), (NOT p1), (NOT p1)]
Support contains 4 out of 552 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 552/552 places, 501/501 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 552 transition count 501
Deduced a syphon composed of 1 places in 2 ms
Applied a total of 1 rules in 23 ms. Remains 552 /552 variables (removed 0) and now considering 501/501 (removed 0) transitions.
[2024-05-25 11:23:54] [INFO ] Redundant transitions in 3 ms returned []
Running 419 sub problems to find dead transitions.
// Phase 1: matrix 501 rows 552 cols
[2024-05-25 11:23:54] [INFO ] Computed 51 invariants in 3 ms
[2024-05-25 11:23:54] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/470 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/470 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 2 (OVERLAPS) 5/475 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/475 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 419 unsolved
Problem TDEAD312 is UNSAT
At refinement iteration 4 (OVERLAPS) 424/899 variables, 475/526 constraints. Problems are: Problem set: 1 solved, 418 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/899 variables, 8/534 constraints. Problems are: Problem set: 1 solved, 418 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 899/1053 variables, and 534 constraints, problems are : Problem set: 1 solved, 418 unsolved in 30024 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 475/552 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 419/419 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 418 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/469 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 418 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/469 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 418 unsolved
At refinement iteration 2 (OVERLAPS) 6/475 variables, 47/51 constraints. Problems are: Problem set: 1 solved, 418 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/475 variables, 0/51 constraints. Problems are: Problem set: 1 solved, 418 unsolved
At refinement iteration 4 (OVERLAPS) 424/899 variables, 475/526 constraints. Problems are: Problem set: 1 solved, 418 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/899 variables, 8/534 constraints. Problems are: Problem set: 1 solved, 418 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/899 variables, 418/952 constraints. Problems are: Problem set: 1 solved, 418 unsolved
(s386 0timeout
^^^^^^^^
(error "Invalid token: 0timeout")
Error getting values : (error "ParserException while parsing response: ((s0 1)
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) org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 899/1053 variables, and 952 constraints, problems are : Problem set: 1 solved, 418 unsolved in 30016 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 475/552 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 418/419 constraints, Known Traps: 0/0 constraints]
After SMT, in 60097ms problems are : Problem set: 1 solved, 418 unsolved
Search for dead transitions found 1 dead transitions in 60102ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) removed 1 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 552/552 places, 500/501 transitions.
Graph (complete) has 1380 edges and 552 vertex of which 551 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 22 ms. Remains 551 /552 variables (removed 1) and now considering 500/500 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 551/552 places, 500/501 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 60166 ms. Remains : 551/552 places, 500/501 transitions.
Support contains 4 out of 552 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 552/552 places, 501/501 transitions.
Applied a total of 0 rules in 13 ms. Remains 552 /552 variables (removed 0) and now considering 501/501 (removed 0) transitions.
// Phase 1: matrix 501 rows 552 cols
[2024-05-25 11:24:54] [INFO ] Computed 51 invariants in 2 ms
[2024-05-25 11:24:55] [INFO ] Implicit Places using invariants in 854 ms returned []
[2024-05-25 11:24:55] [INFO ] Invariant cache hit.
[2024-05-25 11:24:56] [INFO ] State equation strengthened by 8 read => feed constraints.
[2024-05-25 11:24:59] [INFO ] Implicit Places using invariants and state equation in 3890 ms returned []
Implicit Place search using SMT with State Equation took 4771 ms to find 0 implicit places.
Running 419 sub problems to find dead transitions.
[2024-05-25 11:24:59] [INFO ] Invariant cache hit.
[2024-05-25 11:24:59] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/470 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/470 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 2 (OVERLAPS) 5/475 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/475 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 4 (OVERLAPS) 424/899 variables, 475/526 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/899 variables, 8/534 constraints. Problems are: Problem set: 0 solved, 419 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 899/1053 variables, and 534 constraints, problems are : Problem set: 0 solved, 419 unsolved in 30015 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 475/552 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 419/419 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 419 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/470 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/470 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 2 (OVERLAPS) 5/475 variables, 46/51 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/475 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 4 (OVERLAPS) 424/899 variables, 475/526 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/899 variables, 8/534 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/899 variables, 419/953 constraints. Problems are: Problem set: 0 solved, 419 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 899/1053 variables, and 953 constraints, problems are : Problem set: 0 solved, 419 unsolved in 30015 ms.
Refiners :[Generalized P Invariants (flows): 51/51 constraints, State Equation: 475/552 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 419/419 constraints, Known Traps: 0/0 constraints]
After SMT, in 60085ms problems are : Problem set: 0 solved, 419 unsolved
Search for dead transitions found 0 dead transitions in 60090ms
Finished structural reductions in LTL mode , in 1 iterations and 64877 ms. Remains : 552/552 places, 501/501 transitions.
Treatment of property HirschbergSinclair-PT-45-LTLFireability-15 finished in 291579 ms.
[2024-05-25 11:25:59] [INFO ] Flatten gal took : 62 ms
[2024-05-25 11:25:59] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/LTLFireability.sr.xml took 3 ms.
[2024-05-25 11:25:59] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 1006 places, 955 transitions and 2870 arcs took 8 ms.
Total runtime 2360786 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------
Running HirschbergSinclair-PT-45
IS_COLORED=
IS_NUPN=
LOADING PETRI NET FILE /home/mcc/execution/413/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 1006
TRANSITIONS: 955
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.019s, Sys 0.006s]
SAVING FILE /home/mcc/execution/413/model (.net / .def) ...
EXPORT TIME: [User 0.004s, Sys 0.000s]
----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES
Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net
Process ID: 2415
MODEL NAME: /home/mcc/execution/413/model
1006 places, 955 transitions.
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
BK_TIME_CONFINEMENT_REACHED
--------------------
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
MEDDLY ERROR: Insufficient memory
MEDDLY ERROR: Insufficient memory
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="HirschbergSinclair-PT-45"
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 HirschbergSinclair-PT-45, 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 r201-smll-171649586600124"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/HirschbergSinclair-PT-45.tgz
mv HirschbergSinclair-PT-45 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 '
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 ;