About the Execution of LTSMin+red for HirschbergSinclair-PT-35
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 1172.684 | 1579692.00 | 2670836.00 | 4073.70 | FTTFFF?FTTFTFTTT | 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.r500-smll-171649587500108.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is HirschbergSinclair-PT-35, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r500-smll-171649587500108
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1000K
-rw-r--r-- 1 mcc users 9.8K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.6K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 68K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.2K May 19 07:10 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 19 15:58 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K May 19 07:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:28 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 13 03:12 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 90K Apr 13 03:12 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Apr 13 03:11 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K Apr 13 03:11 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 544K 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-35-LTLFireability-00
FORMULA_NAME HirschbergSinclair-PT-35-LTLFireability-01
FORMULA_NAME HirschbergSinclair-PT-35-LTLFireability-02
FORMULA_NAME HirschbergSinclair-PT-35-LTLFireability-03
FORMULA_NAME HirschbergSinclair-PT-35-LTLFireability-04
FORMULA_NAME HirschbergSinclair-PT-35-LTLFireability-05
FORMULA_NAME HirschbergSinclair-PT-35-LTLFireability-06
FORMULA_NAME HirschbergSinclair-PT-35-LTLFireability-07
FORMULA_NAME HirschbergSinclair-PT-35-LTLFireability-08
FORMULA_NAME HirschbergSinclair-PT-35-LTLFireability-09
FORMULA_NAME HirschbergSinclair-PT-35-LTLFireability-10
FORMULA_NAME HirschbergSinclair-PT-35-LTLFireability-11
FORMULA_NAME HirschbergSinclair-PT-35-LTLFireability-12
FORMULA_NAME HirschbergSinclair-PT-35-LTLFireability-13
FORMULA_NAME HirschbergSinclair-PT-35-LTLFireability-14
FORMULA_NAME HirschbergSinclair-PT-35-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1717247047074
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=HirschbergSinclair-PT-35
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 13:04:09] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-06-01 13:04:09] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 13:04:10] [INFO ] Load time of PNML (sax parser for PT used): 421 ms
[2024-06-01 13:04:10] [INFO ] Transformed 998 places.
[2024-06-01 13:04:10] [INFO ] Transformed 922 transitions.
[2024-06-01 13:04:10] [INFO ] Parsed PT model containing 998 places and 922 transitions and 2806 arcs in 664 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 27 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA HirschbergSinclair-PT-35-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HirschbergSinclair-PT-35-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HirschbergSinclair-PT-35-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HirschbergSinclair-PT-35-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 37 out of 998 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 998/998 places, 922/922 transitions.
Reduce places removed 35 places and 0 transitions.
Iterating post reduction 0 with 35 rules applied. Total rules applied 35 place count 963 transition count 922
Discarding 31 places :
Symmetric choice reduction at 1 with 31 rule applications. Total rules 66 place count 932 transition count 891
Iterating global reduction 1 with 31 rules applied. Total rules applied 97 place count 932 transition count 891
Discarding 30 places :
Symmetric choice reduction at 1 with 30 rule applications. Total rules 127 place count 902 transition count 861
Iterating global reduction 1 with 30 rules applied. Total rules applied 157 place count 902 transition count 861
Applied a total of 157 rules in 730 ms. Remains 902 /998 variables (removed 96) and now considering 861/922 (removed 61) transitions.
// Phase 1: matrix 861 rows 902 cols
[2024-06-01 13:04:11] [INFO ] Computed 41 invariants in 69 ms
[2024-06-01 13:04:13] [INFO ] Implicit Places using invariants in 1681 ms returned []
[2024-06-01 13:04:13] [INFO ] Invariant cache hit.
[2024-06-01 13:04:18] [INFO ] Implicit Places using invariants and state equation in 5375 ms returned []
Implicit Place search using SMT with State Equation took 7124 ms to find 0 implicit places.
Running 826 sub problems to find dead transitions.
[2024-06-01 13:04:18] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/867 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 826 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 Real declared 867/1763 variables, and 6 constraints, problems are : Problem set: 0 solved, 826 unsolved in 30074 ms.
Refiners :[Generalized P Invariants (flows): 6/41 constraints, State Equation: 0/902 constraints, PredecessorRefiner: 826/826 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 826 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/867 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 826 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/867 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 826 unsolved
At refinement iteration 2 (OVERLAPS) 35/902 variables, 35/41 constraints. Problems are: Problem set: 0 solved, 826 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
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(s434 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 902/1763 variables, and 41 constraints, problems are : Problem set: 0 solved, 826 unsolved in 30031 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 0/902 constraints, PredecessorRefiner: 0/826 constraints, Known Traps: 0/0 constraints]
After SMT, in 61015ms problems are : Problem set: 0 solved, 826 unsolved
Search for dead transitions found 0 dead transitions in 61072ms
Starting structural reductions in LTL mode, iteration 1 : 902/998 places, 861/922 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 68990 ms. Remains : 902/998 places, 861/922 transitions.
Support contains 37 out of 902 places after structural reductions.
[2024-06-01 13:05:20] [INFO ] Flatten gal took : 213 ms
[2024-06-01 13:05:20] [INFO ] Flatten gal took : 120 ms
[2024-06-01 13:05:20] [INFO ] Input system was already deterministic with 861 transitions.
Support contains 34 out of 902 places (down from 37) after GAL structural reductions.
RANDOM walk for 6201 steps (3 resets) in 623 ms. (9 steps per ms) remains 0/23 properties
Computed a total of 902 stabilizing places and 861 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 902 transition count 861
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' '!((X(p0) U G(p1)))'
Support contains 3 out of 902 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 902/902 places, 861/861 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 897 transition count 856
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 897 transition count 856
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 14 place count 893 transition count 852
Iterating global reduction 0 with 4 rules applied. Total rules applied 18 place count 893 transition count 852
Applied a total of 18 rules in 177 ms. Remains 893 /902 variables (removed 9) and now considering 852/861 (removed 9) transitions.
// Phase 1: matrix 852 rows 893 cols
[2024-06-01 13:05:21] [INFO ] Computed 41 invariants in 9 ms
[2024-06-01 13:05:22] [INFO ] Implicit Places using invariants in 959 ms returned []
[2024-06-01 13:05:22] [INFO ] Invariant cache hit.
[2024-06-01 13:05:29] [INFO ] Implicit Places using invariants and state equation in 7016 ms returned []
Implicit Place search using SMT with State Equation took 7985 ms to find 0 implicit places.
Running 817 sub problems to find dead transitions.
[2024-06-01 13:05:29] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/858 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 817 unsolved
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
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(s823 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 858/1745 variables, and 6 constraints, problems are : Problem set: 0 solved, 817 unsolved in 30035 ms.
Refiners :[Generalized P Invariants (flows): 6/41 constraints, State Equation: 0/893 constraints, PredecessorRefiner: 817/817 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 817 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/858 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 817 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/858 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 817 unsolved
At refinement iteration 2 (OVERLAPS) 35/893 variables, 35/41 constraints. Problems are: Problem set: 0 solved, 817 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 893/1745 variables, and 41 constraints, problems are : Problem set: 0 solved, 817 unsolved in 30050 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 0/893 constraints, PredecessorRefiner: 0/817 constraints, Known Traps: 0/0 constraints]
After SMT, in 60658ms problems are : Problem set: 0 solved, 817 unsolved
Search for dead transitions found 0 dead transitions in 60678ms
Starting structural reductions in LTL mode, iteration 1 : 893/902 places, 852/861 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 68846 ms. Remains : 893/902 places, 852/861 transitions.
Stuttering acceptance computed with spot in 509 ms :[(NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), true, (AND (NOT p1) p0)]
Running random walk in product with property : HirschbergSinclair-PT-35-LTLFireability-00
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 3 ms.
FORMULA HirschbergSinclair-PT-35-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-35-LTLFireability-00 finished in 69464 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||F(p1)))))'
Support contains 2 out of 902 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 902/902 places, 861/861 transitions.
Reduce places removed 35 places and 35 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 389 transitions
Trivial Post-agglo rules discarded 389 transitions
Performed 389 trivial Post agglomeration. Transition count delta: 389
Iterating post reduction 0 with 389 rules applied. Total rules applied 389 place count 867 transition count 437
Reduce places removed 389 places and 0 transitions.
Iterating post reduction 1 with 389 rules applied. Total rules applied 778 place count 478 transition count 437
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 782 place count 474 transition count 433
Iterating global reduction 2 with 4 rules applied. Total rules applied 786 place count 474 transition count 433
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 787 place count 474 transition count 432
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 788 place count 473 transition count 432
Applied a total of 788 rules in 164 ms. Remains 473 /902 variables (removed 429) and now considering 432/861 (removed 429) transitions.
// Phase 1: matrix 432 rows 473 cols
[2024-06-01 13:06:31] [INFO ] Computed 41 invariants in 7 ms
[2024-06-01 13:06:32] [INFO ] Implicit Places using invariants in 928 ms returned []
[2024-06-01 13:06:32] [INFO ] Invariant cache hit.
[2024-06-01 13:06:35] [INFO ] Implicit Places using invariants and state equation in 2977 ms returned []
Implicit Place search using SMT with State Equation took 3916 ms to find 0 implicit places.
[2024-06-01 13:06:35] [INFO ] Redundant transitions in 39 ms returned []
Running 363 sub problems to find dead transitions.
[2024-06-01 13:06:35] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/404 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 363 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/404 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 363 unsolved
At refinement iteration 2 (OVERLAPS) 2/406 variables, 36/41 constraints. Problems are: Problem set: 0 solved, 363 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/406 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 363 unsolved
At refinement iteration 4 (OVERLAPS) 367/773 variables, 406/447 constraints. Problems are: Problem set: 0 solved, 363 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 773/905 variables, and 447 constraints, problems are : Problem set: 0 solved, 363 unsolved in 30022 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 406/473 constraints, PredecessorRefiner: 363/363 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 363 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/404 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 363 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/404 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 363 unsolved
At refinement iteration 2 (OVERLAPS) 2/406 variables, 36/41 constraints. Problems are: Problem set: 0 solved, 363 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/406 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 363 unsolved
At refinement iteration 4 (OVERLAPS) 367/773 variables, 406/447 constraints. Problems are: Problem set: 0 solved, 363 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/773 variables, 363/810 constraints. Problems are: Problem set: 0 solved, 363 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 773/905 variables, and 810 constraints, problems are : Problem set: 0 solved, 363 unsolved in 30024 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 406/473 constraints, PredecessorRefiner: 363/363 constraints, Known Traps: 0/0 constraints]
After SMT, in 60193ms problems are : Problem set: 0 solved, 363 unsolved
Search for dead transitions found 0 dead transitions in 60199ms
Starting structural reductions in SI_LTL mode, iteration 1 : 473/902 places, 432/861 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 64327 ms. Remains : 473/902 places, 432/861 transitions.
Stuttering acceptance computed with spot in 114 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : HirschbergSinclair-PT-35-LTLFireability-01
Product exploration explored 100000 steps with 214 reset in 821 ms.
Product exploration explored 100000 steps with 215 reset in 383 ms.
Computed a total of 473 stabilizing places and 432 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 473 transition count 432
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 (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p1)), (F (G p0)), (F (G p1))]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 21 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-35-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HirschbergSinclair-PT-35-LTLFireability-01 finished in 66022 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((G(F(!p0))||(!p1&&F(!p0))))))'
Support contains 4 out of 902 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 902/902 places, 861/861 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 897 transition count 856
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 897 transition count 856
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 14 place count 893 transition count 852
Iterating global reduction 0 with 4 rules applied. Total rules applied 18 place count 893 transition count 852
Applied a total of 18 rules in 112 ms. Remains 893 /902 variables (removed 9) and now considering 852/861 (removed 9) transitions.
// Phase 1: matrix 852 rows 893 cols
[2024-06-01 13:07:37] [INFO ] Computed 41 invariants in 12 ms
[2024-06-01 13:07:37] [INFO ] Implicit Places using invariants in 722 ms returned []
[2024-06-01 13:07:37] [INFO ] Invariant cache hit.
[2024-06-01 13:07:43] [INFO ] Implicit Places using invariants and state equation in 5517 ms returned []
Implicit Place search using SMT with State Equation took 6244 ms to find 0 implicit places.
Running 817 sub problems to find dead transitions.
[2024-06-01 13:07:43] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/858 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 817 unsolved
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(timeout
s599 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 858/1745 variables, and 6 constraints, problems are : Problem set: 0 solved, 817 unsolved in 30041 ms.
Refiners :[Generalized P Invariants (flows): 6/41 constraints, State Equation: 0/893 constraints, PredecessorRefiner: 817/817 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 817 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/858 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 817 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/858 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 817 unsolved
At refinement iteration 2 (OVERLAPS) 35/893 variables, 35/41 constraints. Problems are: Problem set: 0 solved, 817 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 893/1745 variables, and 41 constraints, problems are : Problem set: 0 solved, 817 unsolved in 30037 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 0/893 constraints, PredecessorRefiner: 0/817 constraints, Known Traps: 0/0 constraints]
After SMT, in 60567ms problems are : Problem set: 0 solved, 817 unsolved
Search for dead transitions found 0 dead transitions in 60583ms
Starting structural reductions in LTL mode, iteration 1 : 893/902 places, 852/861 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66951 ms. Remains : 893/902 places, 852/861 transitions.
Stuttering acceptance computed with spot in 242 ms :[p0, p0, p0]
Running random walk in product with property : HirschbergSinclair-PT-35-LTLFireability-02
Product exploration explored 100000 steps with 50000 reset in 844 ms.
Product exploration explored 100000 steps with 50000 reset in 760 ms.
Computed a total of 893 stabilizing places and 852 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 893 transition count 852
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 p0)), (X (NOT p1)), (X (X (NOT p1))), (F (G (NOT p1))), (F (G (NOT p0)))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 6 factoid took 14 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HirschbergSinclair-PT-35-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HirschbergSinclair-PT-35-LTLFireability-02 finished in 69225 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0) U G(p1)))'
Support contains 3 out of 902 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 902/902 places, 861/861 transitions.
Reduce places removed 34 places and 34 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 376 transitions
Trivial Post-agglo rules discarded 376 transitions
Performed 376 trivial Post agglomeration. Transition count delta: 376
Iterating post reduction 0 with 376 rules applied. Total rules applied 376 place count 868 transition count 451
Reduce places removed 376 places and 0 transitions.
Iterating post reduction 1 with 376 rules applied. Total rules applied 752 place count 492 transition count 451
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 757 place count 487 transition count 446
Iterating global reduction 2 with 5 rules applied. Total rules applied 762 place count 487 transition count 446
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 763 place count 487 transition count 445
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 764 place count 486 transition count 445
Applied a total of 764 rules in 88 ms. Remains 486 /902 variables (removed 416) and now considering 445/861 (removed 416) transitions.
// Phase 1: matrix 445 rows 486 cols
[2024-06-01 13:08:46] [INFO ] Computed 41 invariants in 5 ms
[2024-06-01 13:08:47] [INFO ] Implicit Places using invariants in 981 ms returned []
[2024-06-01 13:08:47] [INFO ] Invariant cache hit.
[2024-06-01 13:08:50] [INFO ] Implicit Places using invariants and state equation in 2776 ms returned []
Implicit Place search using SMT with State Equation took 3760 ms to find 0 implicit places.
[2024-06-01 13:08:50] [INFO ] Redundant transitions in 15 ms returned []
Running 379 sub problems to find dead transitions.
[2024-06-01 13:08:50] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 379 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/420 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 379 unsolved
At refinement iteration 2 (OVERLAPS) 3/423 variables, 36/41 constraints. Problems are: Problem set: 0 solved, 379 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/423 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 379 unsolved
At refinement iteration 4 (OVERLAPS) 382/805 variables, 423/464 constraints. Problems are: Problem set: 0 solved, 379 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 805/931 variables, and 464 constraints, problems are : Problem set: 0 solved, 379 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 423/486 constraints, PredecessorRefiner: 379/379 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 379 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 379 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/420 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 379 unsolved
At refinement iteration 2 (OVERLAPS) 3/423 variables, 36/41 constraints. Problems are: Problem set: 0 solved, 379 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/423 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 379 unsolved
At refinement iteration 4 (OVERLAPS) 382/805 variables, 423/464 constraints. Problems are: Problem set: 0 solved, 379 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/805 variables, 379/843 constraints. Problems are: Problem set: 0 solved, 379 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 805/931 variables, and 843 constraints, problems are : Problem set: 0 solved, 379 unsolved in 30022 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 423/486 constraints, PredecessorRefiner: 379/379 constraints, Known Traps: 0/0 constraints]
After SMT, in 60125ms problems are : Problem set: 0 solved, 379 unsolved
Search for dead transitions found 0 dead transitions in 60137ms
Starting structural reductions in SI_LTL mode, iteration 1 : 486/902 places, 445/861 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 64009 ms. Remains : 486/902 places, 445/861 transitions.
Stuttering acceptance computed with spot in 188 ms :[(NOT p1), true, (AND p1 (NOT p0)), (NOT p1)]
Running random walk in product with property : HirschbergSinclair-PT-35-LTLFireability-03
Product exploration explored 100000 steps with 33245 reset in 1181 ms.
Product exploration explored 100000 steps with 33308 reset in 988 ms.
Computed a total of 486 stabilizing places and 445 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 486 transition count 445
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 (NOT (AND p1 p0))), (X (AND (NOT p1) p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND p1 p0)))), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p1))), (F (G (NOT p1))), (F (G p0))]
False Knowledge obtained : []
Knowledge based reduction with 15 factoid took 289 ms. Reduced automaton from 4 states, 10 edges and 2 AP (stutter insensitive) to 4 states, 10 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 126 ms :[(NOT p1), true, (AND (NOT p0) p1), (NOT p1)]
RANDOM walk for 40000 steps (80 resets) in 567 ms. (70 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 283 ms. (140 steps per ms) remains 1/1 properties
[2024-06-01 13:09:53] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 366/369 variables, 37/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/369 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 50/419 variables, 4/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/419 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf1 is UNSAT
After SMT solving in domain Real declared 799/931 variables, and 460 constraints, problems are : Problem set: 1 solved, 0 unsolved in 387 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 419/486 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 404ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) p0), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND p1 p0))), (X (AND (NOT p1) p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND p1 p0)))), (X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p1))), (F (G (NOT p1))), (F (G p0)), (G (OR p0 (NOT p1)))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (OR (NOT p0) (NOT p1)))), (F p1), (F (NOT (AND p0 (NOT p1)))), (F (NOT (OR p0 p1)))]
Property proved to be false thanks to negative knowledge :(F (NOT p0))
Knowledge based reduction with 16 factoid took 217 ms. Reduced automaton from 4 states, 10 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA HirschbergSinclair-PT-35-LTLFireability-03 FALSE TECHNIQUES KNOWLEDGE
Treatment of property HirschbergSinclair-PT-35-LTLFireability-03 finished in 67953 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(X(X((X(p0)||!(G(p1) U !p1))))))'
Support contains 3 out of 902 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 902/902 places, 861/861 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 897 transition count 856
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 897 transition count 856
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 14 place count 893 transition count 852
Iterating global reduction 0 with 4 rules applied. Total rules applied 18 place count 893 transition count 852
Applied a total of 18 rules in 139 ms. Remains 893 /902 variables (removed 9) and now considering 852/861 (removed 9) transitions.
// Phase 1: matrix 852 rows 893 cols
[2024-06-01 13:09:54] [INFO ] Computed 41 invariants in 9 ms
[2024-06-01 13:09:54] [INFO ] Implicit Places using invariants in 676 ms returned []
[2024-06-01 13:09:54] [INFO ] Invariant cache hit.
[2024-06-01 13:10:01] [INFO ] Implicit Places using invariants and state equation in 6308 ms returned []
Implicit Place search using SMT with State Equation took 6991 ms to find 0 implicit places.
Running 817 sub problems to find dead transitions.
[2024-06-01 13:10:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/858 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 817 unsolved
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 858/1745 variables, and 6 constraints, problems are : Problem set: 0 solved, 817 unsolved in 30033 ms.
Refiners :[Generalized P Invariants (flows): 6/41 constraints, State Equation: 0/893 constraints, PredecessorRefiner: 817/817 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 817 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/858 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 817 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/858 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 817 unsolved
At refinement iteration 2 (OVERLAPS) 35/893 variables, 35/41 constraints. Problems are: Problem set: 0 solved, 817 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 893/1745 variables, and 41 constraints, problems are : Problem set: 0 solved, 817 unsolved in 30029 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 0/893 constraints, PredecessorRefiner: 0/817 constraints, Known Traps: 0/0 constraints]
After SMT, in 60539ms problems are : Problem set: 0 solved, 817 unsolved
Search for dead transitions found 0 dead transitions in 60554ms
Starting structural reductions in LTL mode, iteration 1 : 893/902 places, 852/861 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67689 ms. Remains : 893/902 places, 852/861 transitions.
Stuttering acceptance computed with spot in 241 ms :[true, (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : HirschbergSinclair-PT-35-LTLFireability-04
Entered a terminal (fully accepting) state of product in 43 steps with 0 reset in 1 ms.
FORMULA HirschbergSinclair-PT-35-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-35-LTLFireability-04 finished in 67966 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' '!((p0 U X(G(p0))))'
Support contains 1 out of 902 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 902/902 places, 861/861 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 898 transition count 857
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 898 transition count 857
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 11 place count 895 transition count 854
Iterating global reduction 0 with 3 rules applied. Total rules applied 14 place count 895 transition count 854
Applied a total of 14 rules in 167 ms. Remains 895 /902 variables (removed 7) and now considering 854/861 (removed 7) transitions.
// Phase 1: matrix 854 rows 895 cols
[2024-06-01 13:11:02] [INFO ] Computed 41 invariants in 10 ms
[2024-06-01 13:11:03] [INFO ] Implicit Places using invariants in 1057 ms returned []
[2024-06-01 13:11:03] [INFO ] Invariant cache hit.
[2024-06-01 13:11:09] [INFO ] Implicit Places using invariants and state equation in 5987 ms returned []
Implicit Place search using SMT with State Equation took 7050 ms to find 0 implicit places.
Running 819 sub problems to find dead transitions.
[2024-06-01 13:11:09] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/860 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 819 unsolved
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 860/1749 variables, and 6 constraints, problems are : Problem set: 0 solved, 819 unsolved in 30035 ms.
Refiners :[Generalized P Invariants (flows): 6/41 constraints, State Equation: 0/895 constraints, PredecessorRefiner: 819/819 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 819 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/860 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 819 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/860 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 819 unsolved
At refinement iteration 2 (OVERLAPS) 35/895 variables, 35/41 constraints. Problems are: Problem set: 0 solved, 819 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 895/1749 variables, and 41 constraints, problems are : Problem set: 0 solved, 819 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 0/895 constraints, PredecessorRefiner: 0/819 constraints, Known Traps: 0/0 constraints]
After SMT, in 60356ms problems are : Problem set: 0 solved, 819 unsolved
Search for dead transitions found 0 dead transitions in 60365ms
Starting structural reductions in LTL mode, iteration 1 : 895/902 places, 854/861 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67585 ms. Remains : 895/902 places, 854/861 transitions.
Stuttering acceptance computed with spot in 110 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : HirschbergSinclair-PT-35-LTLFireability-05
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA HirschbergSinclair-PT-35-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-35-LTLFireability-05 finished in 67727 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 3 out of 902 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 902/902 places, 861/861 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 897 transition count 856
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 897 transition count 856
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 14 place count 893 transition count 852
Iterating global reduction 0 with 4 rules applied. Total rules applied 18 place count 893 transition count 852
Applied a total of 18 rules in 164 ms. Remains 893 /902 variables (removed 9) and now considering 852/861 (removed 9) transitions.
// Phase 1: matrix 852 rows 893 cols
[2024-06-01 13:12:10] [INFO ] Computed 41 invariants in 13 ms
[2024-06-01 13:12:11] [INFO ] Implicit Places using invariants in 1142 ms returned []
[2024-06-01 13:12:11] [INFO ] Invariant cache hit.
[2024-06-01 13:12:17] [INFO ] Implicit Places using invariants and state equation in 6650 ms returned []
Implicit Place search using SMT with State Equation took 7797 ms to find 0 implicit places.
Running 817 sub problems to find dead transitions.
[2024-06-01 13:12:17] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/858 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 817 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 858/1745 variables, and 6 constraints, problems are : Problem set: 0 solved, 817 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 6/41 constraints, State Equation: 0/893 constraints, PredecessorRefiner: 817/817 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 817 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/858 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 817 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/858 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 817 unsolved
At refinement iteration 2 (OVERLAPS) 35/893 variables, 35/41 constraints. Problems are: Problem set: 0 solved, 817 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 893/1745 variables, and 41 constraints, problems are : Problem set: 0 solved, 817 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 0/893 constraints, PredecessorRefiner: 0/817 constraints, Known Traps: 0/0 constraints]
After SMT, in 60333ms problems are : Problem set: 0 solved, 817 unsolved
Search for dead transitions found 0 dead transitions in 60342ms
Starting structural reductions in LTL mode, iteration 1 : 893/902 places, 852/861 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 68307 ms. Remains : 893/902 places, 852/861 transitions.
Stuttering acceptance computed with spot in 116 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : HirschbergSinclair-PT-35-LTLFireability-06
Product exploration explored 100000 steps with 296 reset in 811 ms.
Product exploration explored 100000 steps with 297 reset in 901 ms.
Computed a total of 893 stabilizing places and 852 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 893 transition count 852
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 127 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 92 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 1331 steps (0 resets) in 24 ms. (53 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 162 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 98 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 98 ms :[(NOT p0), (NOT p0)]
[2024-06-01 13:13:21] [INFO ] Invariant cache hit.
[2024-06-01 13:13:22] [INFO ] [Real]Absence check using 0 positive and 41 generalized place invariants in 189 ms returned sat
[2024-06-01 13:13:36] [INFO ] [Real]Absence check using state equation in 13638 ms returned unknown
Could not prove EG (NOT p0)
Support contains 3 out of 893 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 893/893 places, 852/852 transitions.
Reduce places removed 34 places and 34 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 374 transitions
Trivial Post-agglo rules discarded 374 transitions
Performed 374 trivial Post agglomeration. Transition count delta: 374
Iterating post reduction 0 with 374 rules applied. Total rules applied 374 place count 859 transition count 444
Reduce places removed 374 places and 0 transitions.
Iterating post reduction 1 with 374 rules applied. Total rules applied 748 place count 485 transition count 444
Applied a total of 748 rules in 38 ms. Remains 485 /893 variables (removed 408) and now considering 444/852 (removed 408) transitions.
// Phase 1: matrix 444 rows 485 cols
[2024-06-01 13:13:36] [INFO ] Computed 41 invariants in 3 ms
[2024-06-01 13:13:36] [INFO ] Implicit Places using invariants in 777 ms returned []
[2024-06-01 13:13:36] [INFO ] Invariant cache hit.
[2024-06-01 13:13:39] [INFO ] Implicit Places using invariants and state equation in 2951 ms returned []
Implicit Place search using SMT with State Equation took 3734 ms to find 0 implicit places.
[2024-06-01 13:13:39] [INFO ] Redundant transitions in 5 ms returned []
Running 378 sub problems to find dead transitions.
[2024-06-01 13:13:39] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/419 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 2 (OVERLAPS) 3/422 variables, 36/41 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/422 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 4 (OVERLAPS) 381/803 variables, 422/463 constraints. Problems are: Problem set: 0 solved, 378 unsolved
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timeout
( org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 803/929 variables, and 463 constraints, problems are : Problem set: 0 solved, 378 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 422/485 constraints, PredecessorRefiner: 378/378 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 378 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/419 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 2 (OVERLAPS) 3/422 variables, 36/41 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/422 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 4 (OVERLAPS) 381/803 variables, 422/463 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/803 variables, 378/841 constraints. Problems are: Problem set: 0 solved, 378 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 803/929 variables, and 841 constraints, problems are : Problem set: 0 solved, 378 unsolved in 30021 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 422/485 constraints, PredecessorRefiner: 378/378 constraints, Known Traps: 0/0 constraints]
After SMT, in 60095ms problems are : Problem set: 0 solved, 378 unsolved
Search for dead transitions found 0 dead transitions in 60101ms
Starting structural reductions in SI_LTL mode, iteration 1 : 485/893 places, 444/852 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 63885 ms. Remains : 485/893 places, 444/852 transitions.
Computed a total of 485 stabilizing places and 444 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 485 transition count 444
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 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 105 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 709 steps (0 resets) in 11 ms. (59 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 165 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 98 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), (NOT p0)]
[2024-06-01 13:14:41] [INFO ] Invariant cache hit.
[2024-06-01 13:14:41] [INFO ] [Real]Absence check using 0 positive and 41 generalized place invariants in 223 ms returned sat
[2024-06-01 13:14:56] [INFO ] [Real]Absence check using state equation in 14108 ms returned unknown
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 75 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 624 reset in 675 ms.
Product exploration explored 100000 steps with 623 reset in 780 ms.
Support contains 3 out of 485 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 485/485 places, 444/444 transitions.
Applied a total of 0 rules in 38 ms. Remains 485 /485 variables (removed 0) and now considering 444/444 (removed 0) transitions.
[2024-06-01 13:14:57] [INFO ] Invariant cache hit.
[2024-06-01 13:14:58] [INFO ] Implicit Places using invariants in 822 ms returned []
[2024-06-01 13:14:58] [INFO ] Invariant cache hit.
[2024-06-01 13:15:01] [INFO ] Implicit Places using invariants and state equation in 2884 ms returned []
Implicit Place search using SMT with State Equation took 3710 ms to find 0 implicit places.
[2024-06-01 13:15:01] [INFO ] Redundant transitions in 2 ms returned []
Running 378 sub problems to find dead transitions.
[2024-06-01 13:15:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/419 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 2 (OVERLAPS) 3/422 variables, 36/41 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/422 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 4 (OVERLAPS) 381/803 variables, 422/463 constraints. Problems are: Problem set: 0 solved, 378 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 803/929 variables, and 463 constraints, problems are : Problem set: 0 solved, 378 unsolved in 30017 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 422/485 constraints, PredecessorRefiner: 378/378 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 378 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/419 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 2 (OVERLAPS) 3/422 variables, 36/41 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/422 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 4 (OVERLAPS) 381/803 variables, 422/463 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/803 variables, 378/841 constraints. Problems are: Problem set: 0 solved, 378 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 803/929 variables, and 841 constraints, problems are : Problem set: 0 solved, 378 unsolved in 30021 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 422/485 constraints, PredecessorRefiner: 378/378 constraints, Known Traps: 0/0 constraints]
After SMT, in 60090ms problems are : Problem set: 0 solved, 378 unsolved
Search for dead transitions found 0 dead transitions in 60094ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 63851 ms. Remains : 485/485 places, 444/444 transitions.
Treatment of property HirschbergSinclair-PT-35-LTLFireability-06 finished in 231799 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 1 out of 902 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 902/902 places, 861/861 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 897 transition count 856
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 897 transition count 856
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 14 place count 893 transition count 852
Iterating global reduction 0 with 4 rules applied. Total rules applied 18 place count 893 transition count 852
Applied a total of 18 rules in 164 ms. Remains 893 /902 variables (removed 9) and now considering 852/861 (removed 9) transitions.
// Phase 1: matrix 852 rows 893 cols
[2024-06-01 13:16:01] [INFO ] Computed 41 invariants in 9 ms
[2024-06-01 13:16:02] [INFO ] Implicit Places using invariants in 902 ms returned []
[2024-06-01 13:16:02] [INFO ] Invariant cache hit.
[2024-06-01 13:16:09] [INFO ] Implicit Places using invariants and state equation in 6782 ms returned []
Implicit Place search using SMT with State Equation took 7686 ms to find 0 implicit places.
Running 817 sub problems to find dead transitions.
[2024-06-01 13:16:09] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/858 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 817 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 858/1745 variables, and 6 constraints, problems are : Problem set: 0 solved, 817 unsolved in 30031 ms.
Refiners :[Generalized P Invariants (flows): 6/41 constraints, State Equation: 0/893 constraints, PredecessorRefiner: 817/817 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 817 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/858 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 817 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/858 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 817 unsolved
At refinement iteration 2 (OVERLAPS) 35/893 variables, 35/41 constraints. Problems are: Problem set: 0 solved, 817 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 893/1745 variables, and 41 constraints, problems are : Problem set: 0 solved, 817 unsolved in 30030 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 0/893 constraints, PredecessorRefiner: 0/817 constraints, Known Traps: 0/0 constraints]
After SMT, in 60346ms problems are : Problem set: 0 solved, 817 unsolved
Search for dead transitions found 0 dead transitions in 60355ms
Starting structural reductions in LTL mode, iteration 1 : 893/902 places, 852/861 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 68208 ms. Remains : 893/902 places, 852/861 transitions.
Stuttering acceptance computed with spot in 127 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : HirschbergSinclair-PT-35-LTLFireability-07
Entered a terminal (fully accepting) state of product in 591 steps with 0 reset in 4 ms.
FORMULA HirschbergSinclair-PT-35-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HirschbergSinclair-PT-35-LTLFireability-07 finished in 68381 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(((!p0&&X(F((F(p1)&&G(!p2)))))||G((F(p1)&&F(G(!p2)))))))'
Support contains 5 out of 902 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 902/902 places, 861/861 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 897 transition count 856
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 897 transition count 856
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 14 place count 893 transition count 852
Iterating global reduction 0 with 4 rules applied. Total rules applied 18 place count 893 transition count 852
Applied a total of 18 rules in 178 ms. Remains 893 /902 variables (removed 9) and now considering 852/861 (removed 9) transitions.
[2024-06-01 13:17:10] [INFO ] Invariant cache hit.
[2024-06-01 13:17:11] [INFO ] Implicit Places using invariants in 1093 ms returned []
[2024-06-01 13:17:11] [INFO ] Invariant cache hit.
[2024-06-01 13:17:17] [INFO ] Implicit Places using invariants and state equation in 6100 ms returned []
Implicit Place search using SMT with State Equation took 7196 ms to find 0 implicit places.
Running 817 sub problems to find dead transitions.
[2024-06-01 13:17:17] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/858 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 817 unsolved
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(s382timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 858/1745 variables, and 6 constraints, problems are : Problem set: 0 solved, 817 unsolved in 30027 ms.
Refiners :[Generalized P Invariants (flows): 6/41 constraints, State Equation: 0/893 constraints, PredecessorRefiner: 817/817 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 817 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/858 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 817 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/858 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 817 unsolved
At refinement iteration 2 (OVERLAPS) 35/893 variables, 35/41 constraints. Problems are: Problem set: 0 solved, 817 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 893/1745 variables, and 41 constraints, problems are : Problem set: 0 solved, 817 unsolved in 30028 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 0/893 constraints, PredecessorRefiner: 0/817 constraints, Known Traps: 0/0 constraints]
After SMT, in 60320ms problems are : Problem set: 0 solved, 817 unsolved
Search for dead transitions found 0 dead transitions in 60328ms
Starting structural reductions in LTL mode, iteration 1 : 893/902 places, 852/861 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67707 ms. Remains : 893/902 places, 852/861 transitions.
Stuttering acceptance computed with spot in 281 ms :[(OR (NOT p1) p2), (NOT p1), p2, (OR (NOT p1) p2), p2]
Running random walk in product with property : HirschbergSinclair-PT-35-LTLFireability-08
Product exploration explored 100000 steps with 108 reset in 745 ms.
Product exploration explored 100000 steps with 108 reset in 404 ms.
Computed a total of 893 stabilizing places and 852 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 893 transition count 852
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) p1 (NOT p2)), (X p1), (X (NOT p2)), (X (NOT p0)), (X (X p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT p0))), (F (G (NOT p0))), (F (G p1)), (F (G (NOT p2)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 11 factoid took 44 ms. Reduced automaton from 5 states, 15 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HirschbergSinclair-PT-35-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HirschbergSinclair-PT-35-LTLFireability-08 finished in 69570 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F((G(F(p1))||p0))))))'
Support contains 3 out of 902 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 902/902 places, 861/861 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 898 transition count 857
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 898 transition count 857
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 12 place count 894 transition count 853
Iterating global reduction 0 with 4 rules applied. Total rules applied 16 place count 894 transition count 853
Applied a total of 16 rules in 105 ms. Remains 894 /902 variables (removed 8) and now considering 853/861 (removed 8) transitions.
// Phase 1: matrix 853 rows 894 cols
[2024-06-01 13:18:19] [INFO ] Computed 41 invariants in 5 ms
[2024-06-01 13:18:20] [INFO ] Implicit Places using invariants in 1128 ms returned []
[2024-06-01 13:18:20] [INFO ] Invariant cache hit.
[2024-06-01 13:18:27] [INFO ] Implicit Places using invariants and state equation in 6685 ms returned []
Implicit Place search using SMT with State Equation took 7816 ms to find 0 implicit places.
Running 818 sub problems to find dead transitions.
[2024-06-01 13:18:27] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/859 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 818 unsolved
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(s834 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 859/1747 variables, and 6 constraints, problems are : Problem set: 0 solved, 818 unsolved in 30034 ms.
Refiners :[Generalized P Invariants (flows): 6/41 constraints, State Equation: 0/894 constraints, PredecessorRefiner: 818/818 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 818 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/859 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 818 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/859 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 818 unsolved
At refinement iteration 2 (OVERLAPS) 35/894 variables, 35/41 constraints. Problems are: Problem set: 0 solved, 818 unsolved
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(s517 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 894/1747 variables, and 41 constraints, problems are : Problem set: 0 solved, 818 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 0/894 constraints, PredecessorRefiner: 0/818 constraints, Known Traps: 0/0 constraints]
After SMT, in 60350ms problems are : Problem set: 0 solved, 818 unsolved
Search for dead transitions found 0 dead transitions in 60363ms
Starting structural reductions in LTL mode, iteration 1 : 894/902 places, 853/861 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 68287 ms. Remains : 894/902 places, 853/861 transitions.
Stuttering acceptance computed with spot in 273 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : HirschbergSinclair-PT-35-LTLFireability-11
Product exploration explored 100000 steps with 24296 reset in 749 ms.
Product exploration explored 100000 steps with 24274 reset in 550 ms.
Computed a total of 894 stabilizing places and 853 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 894 transition count 853
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), (F (G p0)), (F (G p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 19 ms. Reduced automaton from 5 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HirschbergSinclair-PT-35-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HirschbergSinclair-PT-35-LTLFireability-11 finished in 70288 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)&&F((G(p1)||G(p2))))))'
Support contains 5 out of 902 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 902/902 places, 861/861 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 898 transition count 857
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 898 transition count 857
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 11 place count 895 transition count 854
Iterating global reduction 0 with 3 rules applied. Total rules applied 14 place count 895 transition count 854
Applied a total of 14 rules in 162 ms. Remains 895 /902 variables (removed 7) and now considering 854/861 (removed 7) transitions.
// Phase 1: matrix 854 rows 895 cols
[2024-06-01 13:19:30] [INFO ] Computed 41 invariants in 9 ms
[2024-06-01 13:19:31] [INFO ] Implicit Places using invariants in 1156 ms returned []
[2024-06-01 13:19:31] [INFO ] Invariant cache hit.
[2024-06-01 13:19:36] [INFO ] Implicit Places using invariants and state equation in 5765 ms returned []
Implicit Place search using SMT with State Equation took 6927 ms to find 0 implicit places.
Running 819 sub problems to find dead transitions.
[2024-06-01 13:19:36] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/860 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 819 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 Real declared 860/1749 variables, and 6 constraints, problems are : Problem set: 0 solved, 819 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 6/41 constraints, State Equation: 0/895 constraints, PredecessorRefiner: 819/819 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 819 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/860 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 819 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/860 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 819 unsolved
At refinement iteration 2 (OVERLAPS) 35/895 variables, 35/41 constraints. Problems are: Problem set: 0 solved, 819 unsolved
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(timeout
s790 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 895/1749 variables, and 41 constraints, problems are : Problem set: 0 solved, 819 unsolved in 30032 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 0/895 constraints, PredecessorRefiner: 0/819 constraints, Known Traps: 0/0 constraints]
After SMT, in 60337ms problems are : Problem set: 0 solved, 819 unsolved
Search for dead transitions found 0 dead transitions in 60346ms
Starting structural reductions in LTL mode, iteration 1 : 895/902 places, 854/861 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67438 ms. Remains : 895/902 places, 854/861 transitions.
Stuttering acceptance computed with spot in 256 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : HirschbergSinclair-PT-35-LTLFireability-14
Product exploration explored 100000 steps with 108 reset in 630 ms.
Product exploration explored 100000 steps with 108 reset in 618 ms.
Computed a total of 895 stabilizing places and 854 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 895 transition count 854
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 p2), (X p0), (X (X p2)), (X (X (NOT (AND (NOT p1) p2)))), (X (X p0)), (X (X (NOT (AND p1 (NOT p2))))), (X (X (AND p1 p2))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p1)), (F (G p0)), (F (G p1)), (F (G p2))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 12 factoid took 15 ms. Reduced automaton from 4 states, 8 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HirschbergSinclair-PT-35-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HirschbergSinclair-PT-35-LTLFireability-14 finished in 69331 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 U (p1||G(p0))))))'
Support contains 2 out of 902 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 902/902 places, 861/861 transitions.
Reduce places removed 35 places and 35 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 389 transitions
Trivial Post-agglo rules discarded 389 transitions
Performed 389 trivial Post agglomeration. Transition count delta: 389
Iterating post reduction 0 with 389 rules applied. Total rules applied 389 place count 867 transition count 437
Reduce places removed 389 places and 0 transitions.
Iterating post reduction 1 with 389 rules applied. Total rules applied 778 place count 478 transition count 437
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 782 place count 474 transition count 433
Iterating global reduction 2 with 4 rules applied. Total rules applied 786 place count 474 transition count 433
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 787 place count 474 transition count 432
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 788 place count 473 transition count 432
Applied a total of 788 rules in 79 ms. Remains 473 /902 variables (removed 429) and now considering 432/861 (removed 429) transitions.
// Phase 1: matrix 432 rows 473 cols
[2024-06-01 13:20:39] [INFO ] Computed 41 invariants in 5 ms
[2024-06-01 13:20:40] [INFO ] Implicit Places using invariants in 1025 ms returned []
[2024-06-01 13:20:40] [INFO ] Invariant cache hit.
[2024-06-01 13:20:43] [INFO ] Implicit Places using invariants and state equation in 2804 ms returned []
Implicit Place search using SMT with State Equation took 3832 ms to find 0 implicit places.
[2024-06-01 13:20:43] [INFO ] Redundant transitions in 2 ms returned []
Running 363 sub problems to find dead transitions.
[2024-06-01 13:20:43] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/404 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 363 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/404 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 363 unsolved
At refinement iteration 2 (OVERLAPS) 2/406 variables, 36/41 constraints. Problems are: Problem set: 0 solved, 363 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/406 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 363 unsolved
At refinement iteration 4 (OVERLAPS) 366/772 variables, 406/447 constraints. Problems are: Problem set: 0 solved, 363 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 772/905 variables, and 447 constraints, problems are : Problem set: 0 solved, 363 unsolved in 30015 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 406/473 constraints, PredecessorRefiner: 363/363 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 363 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/404 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 363 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/404 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 363 unsolved
At refinement iteration 2 (OVERLAPS) 2/406 variables, 36/41 constraints. Problems are: Problem set: 0 solved, 363 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/406 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 363 unsolved
At refinement iteration 4 (OVERLAPS) 366/772 variables, 406/447 constraints. Problems are: Problem set: 0 solved, 363 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/772 variables, 363/810 constraints. Problems are: Problem set: 0 solved, 363 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 772/905 variables, and 810 constraints, problems are : Problem set: 0 solved, 363 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 406/473 constraints, PredecessorRefiner: 363/363 constraints, Known Traps: 0/0 constraints]
After SMT, in 60081ms problems are : Problem set: 0 solved, 363 unsolved
Search for dead transitions found 0 dead transitions in 60086ms
Starting structural reductions in SI_LTL mode, iteration 1 : 473/902 places, 432/861 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 64007 ms. Remains : 473/902 places, 432/861 transitions.
Stuttering acceptance computed with spot in 135 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : HirschbergSinclair-PT-35-LTLFireability-15
Product exploration explored 100000 steps with 321 reset in 597 ms.
Product exploration explored 100000 steps with 320 reset in 518 ms.
Computed a total of 473 stabilizing places and 432 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 473 transition count 432
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 (AND (NOT p1) p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (NOT p1)), (X (X (NOT p1))), (F (G (NOT p1))), (F (G p0))]
False Knowledge obtained : [(X (X (AND (NOT p1) p0))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 16 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-35-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HirschbergSinclair-PT-35-LTLFireability-15 finished in 65549 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-35-LTLFireability-06
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
Support contains 3 out of 902 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 902/902 places, 861/861 transitions.
Reduce places removed 34 places and 34 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 377 transitions
Trivial Post-agglo rules discarded 377 transitions
Performed 377 trivial Post agglomeration. Transition count delta: 377
Iterating post reduction 0 with 377 rules applied. Total rules applied 377 place count 868 transition count 450
Reduce places removed 377 places and 0 transitions.
Iterating post reduction 1 with 377 rules applied. Total rules applied 754 place count 491 transition count 450
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 759 place count 486 transition count 445
Iterating global reduction 2 with 5 rules applied. Total rules applied 764 place count 486 transition count 445
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 765 place count 486 transition count 444
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 766 place count 485 transition count 444
Applied a total of 766 rules in 85 ms. Remains 485 /902 variables (removed 417) and now considering 444/861 (removed 417) transitions.
// Phase 1: matrix 444 rows 485 cols
[2024-06-01 13:21:45] [INFO ] Computed 41 invariants in 2 ms
[2024-06-01 13:21:46] [INFO ] Implicit Places using invariants in 922 ms returned []
[2024-06-01 13:21:46] [INFO ] Invariant cache hit.
[2024-06-01 13:21:48] [INFO ] Implicit Places using invariants and state equation in 2700 ms returned []
Implicit Place search using SMT with State Equation took 3632 ms to find 0 implicit places.
Running 378 sub problems to find dead transitions.
[2024-06-01 13:21:48] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/419 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 2 (OVERLAPS) 3/422 variables, 36/41 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/422 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 4 (OVERLAPS) 381/803 variables, 422/463 constraints. Problems are: Problem set: 0 solved, 378 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 803/929 variables, and 463 constraints, problems are : Problem set: 0 solved, 378 unsolved in 30017 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 422/485 constraints, PredecessorRefiner: 378/378 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 378 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/419 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 2 (OVERLAPS) 3/422 variables, 36/41 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/422 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 4 (OVERLAPS) 381/803 variables, 422/463 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/803 variables, 378/841 constraints. Problems are: Problem set: 0 solved, 378 unsolved
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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 803/929 variables, and 841 constraints, problems are : Problem set: 0 solved, 378 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 422/485 constraints, PredecessorRefiner: 378/378 constraints, Known Traps: 0/0 constraints]
After SMT, in 60110ms problems are : Problem set: 0 solved, 378 unsolved
Search for dead transitions found 0 dead transitions in 60117ms
Starting structural reductions in LI_LTL mode, iteration 1 : 485/902 places, 444/861 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 63838 ms. Remains : 485/902 places, 444/861 transitions.
Running random walk in product with property : HirschbergSinclair-PT-35-LTLFireability-06
Product exploration explored 100000 steps with 623 reset in 784 ms.
Product exploration explored 100000 steps with 623 reset in 510 ms.
Computed a total of 485 stabilizing places and 444 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 485 transition count 444
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 103 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 79 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 700 steps (0 resets) in 8 ms. (77 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 134 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 p0), (NOT p0)]
Stuttering acceptance computed with spot in 94 ms :[(NOT p0), (NOT p0)]
[2024-06-01 13:22:50] [INFO ] Invariant cache hit.
[2024-06-01 13:22:51] [INFO ] [Real]Absence check using 0 positive and 41 generalized place invariants in 222 ms returned sat
[2024-06-01 13:23:06] [INFO ] [Real]Absence check using state equation in 14140 ms returned unknown
Could not prove EG (NOT p0)
Support contains 3 out of 485 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 485/485 places, 444/444 transitions.
Applied a total of 0 rules in 20 ms. Remains 485 /485 variables (removed 0) and now considering 444/444 (removed 0) transitions.
[2024-06-01 13:23:06] [INFO ] Invariant cache hit.
[2024-06-01 13:23:06] [INFO ] Implicit Places using invariants in 931 ms returned []
[2024-06-01 13:23:06] [INFO ] Invariant cache hit.
[2024-06-01 13:23:09] [INFO ] Implicit Places using invariants and state equation in 3026 ms returned []
Implicit Place search using SMT with State Equation took 3959 ms to find 0 implicit places.
[2024-06-01 13:23:09] [INFO ] Redundant transitions in 2 ms returned []
Running 378 sub problems to find dead transitions.
[2024-06-01 13:23:10] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/419 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 2 (OVERLAPS) 3/422 variables, 36/41 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/422 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 4 (OVERLAPS) 381/803 variables, 422/463 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/803 variables, 0/463 constraints. Problems are: Problem set: 0 solved, 378 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 803/929 variables, and 463 constraints, problems are : Problem set: 0 solved, 378 unsolved in 30013 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 422/485 constraints, PredecessorRefiner: 378/378 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 378 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/419 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 2 (OVERLAPS) 3/422 variables, 36/41 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/422 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 4 (OVERLAPS) 381/803 variables, 422/463 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/803 variables, 378/841 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/803 variables, 0/841 constraints. Problems are: Problem set: 0 solved, 378 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 803/929 variables, and 841 constraints, problems are : Problem set: 0 solved, 378 unsolved in 30017 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 422/485 constraints, PredecessorRefiner: 378/378 constraints, Known Traps: 0/0 constraints]
After SMT, in 60074ms problems are : Problem set: 0 solved, 378 unsolved
Search for dead transitions found 0 dead transitions in 60078ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 64067 ms. Remains : 485/485 places, 444/444 transitions.
Computed a total of 485 stabilizing places and 444 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 485 transition count 444
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 87 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 700 steps (0 resets) in 7 ms. (87 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 104 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 67 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
[2024-06-01 13:24:10] [INFO ] Invariant cache hit.
[2024-06-01 13:24:11] [INFO ] [Real]Absence check using 0 positive and 41 generalized place invariants in 139 ms returned sat
[2024-06-01 13:24:25] [INFO ] [Real]Absence check using state equation in 14387 ms returned unknown
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 623 reset in 477 ms.
Product exploration explored 100000 steps with 624 reset in 525 ms.
Support contains 3 out of 485 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 485/485 places, 444/444 transitions.
Applied a total of 0 rules in 18 ms. Remains 485 /485 variables (removed 0) and now considering 444/444 (removed 0) transitions.
[2024-06-01 13:24:26] [INFO ] Invariant cache hit.
[2024-06-01 13:24:27] [INFO ] Implicit Places using invariants in 724 ms returned []
[2024-06-01 13:24:27] [INFO ] Invariant cache hit.
[2024-06-01 13:24:29] [INFO ] Implicit Places using invariants and state equation in 2255 ms returned []
Implicit Place search using SMT with State Equation took 2981 ms to find 0 implicit places.
[2024-06-01 13:24:29] [INFO ] Redundant transitions in 2 ms returned []
Running 378 sub problems to find dead transitions.
[2024-06-01 13:24:29] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/419 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 2 (OVERLAPS) 3/422 variables, 36/41 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/422 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 4 (OVERLAPS) 381/803 variables, 422/463 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/803 variables, 0/463 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 6 (OVERLAPS) 0/803 variables, 0/463 constraints. Problems are: Problem set: 0 solved, 378 unsolved
No progress, stopping.
After SMT solving in domain Real declared 803/929 variables, and 463 constraints, problems are : Problem set: 0 solved, 378 unsolved in 30014 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 422/485 constraints, PredecessorRefiner: 378/378 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 378 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/419 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 2 (OVERLAPS) 3/422 variables, 36/41 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/422 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 4 (OVERLAPS) 381/803 variables, 422/463 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/803 variables, 378/841 constraints. Problems are: Problem set: 0 solved, 378 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/803 variables, 0/841 constraints. Problems are: Problem set: 0 solved, 378 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 803/929 variables, and 841 constraints, problems are : Problem set: 0 solved, 378 unsolved in 30015 ms.
Refiners :[Generalized P Invariants (flows): 41/41 constraints, State Equation: 422/485 constraints, PredecessorRefiner: 378/378 constraints, Known Traps: 0/0 constraints]
After SMT, in 60080ms problems are : Problem set: 0 solved, 378 unsolved
Search for dead transitions found 0 dead transitions in 60085ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 63093 ms. Remains : 485/485 places, 444/444 transitions.
Treatment of property HirschbergSinclair-PT-35-LTLFireability-06 finished in 225192 ms.
[2024-06-01 13:25:30] [INFO ] Flatten gal took : 54 ms
[2024-06-01 13:25:30] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2024-06-01 13:25:30] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 902 places, 861 transitions and 2585 arcs took 11 ms.
Total runtime 1280356 ms.
There are residual formulas that ITS could not solve within timeout
Could not compute solution for formula : HirschbergSinclair-PT-35-LTLFireability-06
BK_STOP 1717248626766
--------------------
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
mcc2024
ltl formula name HirschbergSinclair-PT-35-LTLFireability-06
ltl formula formula --ltl=/tmp/1311/ltl_0_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 902 places, 861 transitions and 2585 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.260 real 0.030 user 0.050 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1311/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1311/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1311/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1311/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 904 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 903, there are 864 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 3/ 4): ~349 levels ~10000 states ~48376 transitions
pnml2lts-mc( 1/ 4): ~348 levels ~20000 states ~77764 transitions
pnml2lts-mc( 1/ 4): ~348 levels ~40000 states ~147348 transitions
pnml2lts-mc( 1/ 4): ~348 levels ~80000 states ~296452 transitions
pnml2lts-mc( 1/ 4): ~348 levels ~160000 states ~620720 transitions
pnml2lts-mc( 1/ 4): ~348 levels ~320000 states ~1325876 transitions
pnml2lts-mc( 1/ 4): ~348 levels ~640000 states ~3221728 transitions
pnml2lts-mc( 1/ 4): ~348 levels ~1280000 states ~8151864 transitions
pnml2lts-mc( 2/ 4): ~348 levels ~2560000 states ~13509572 transitions
pnml2lts-mc( 2/ 4): ~348 levels ~5120000 states ~27854084 transitions
pnml2lts-mc( 3/ 4): Error: tree leafs table full! Change -s/--ratio.
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 9496047
pnml2lts-mc( 0/ 4): unique states count: 9497261
pnml2lts-mc( 0/ 4): unique transitions count: 59093675
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 49571371
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 9497537
pnml2lts-mc( 0/ 4): - cum. max stack depth: 1393
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 9497537 states 59094333 transitions, fanout: 6.222
pnml2lts-mc( 0/ 4): Total exploration time 295.400 sec (295.400 sec minimum, 295.400 sec on average)
pnml2lts-mc( 0/ 4): States per second: 32151, Transitions per second: 200049
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 136.6MB, 15.1 B/state, compr.: 0.4%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 28.0%/99.0%
pnml2lts-mc( 0/ 4): Stored 873 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 136.6MB (~256.0MB paged-in)
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-35"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is HirschbergSinclair-PT-35, 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 r500-smll-171649587500108"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/HirschbergSinclair-PT-35.tgz
mv HirschbergSinclair-PT-35 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 ;