About the Execution of ITS-Tools for ViralEpidemic-PT-S16D2C4A02
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 666771.00 | 0.00 | 0.00 | TFFTFTFTFFFFTTFT | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r240-tall-174915590901028.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is ViralEpidemic-PT-S16D2C4A02, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915590901028
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.7M
-rw-r--r-- 1 mcc users 12K May 29 14:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 103K May 29 14:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.8K May 29 14:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K May 29 14:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 29 14:33 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.6K May 29 14:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K May 29 14:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.8K May 29 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 65K May 29 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K May 29 14:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 102K May 29 14:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 29 14:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 29 14:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 11 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 3.2M May 29 14:33 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-LTLFireability-00
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-LTLFireability-01
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-LTLFireability-02
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-LTLFireability-03
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-LTLFireability-04
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-LTLFireability-05
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-LTLFireability-06
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-LTLFireability-07
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-LTLFireability-08
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-LTLFireability-09
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-LTLFireability-10
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-LTLFireability-11
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-LTLFireability-12
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-LTLFireability-13
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-LTLFireability-14
FORMULA_NAME ViralEpidemic-PT-S16D2C4A02-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1749311588784
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ViralEpidemic-PT-S16D2C4A02
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-07 15:53:10] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-07 15:53:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 15:53:10] [INFO ] Load time of PNML (sax parser for PT used): 278 ms
[2025-06-07 15:53:10] [INFO ] Transformed 4915 places.
[2025-06-07 15:53:10] [INFO ] Transformed 9009 transitions.
[2025-06-07 15:53:10] [INFO ] Parsed PT model containing 4915 places and 9009 transitions and 22113 arcs in 414 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA ViralEpidemic-PT-S16D2C4A02-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ViralEpidemic-PT-S16D2C4A02-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 64 out of 4915 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 4915/4915 places, 9009/9009 transitions.
Discarding 4054 places :
Symmetric choice reduction at 0 with 4054 rule applications. Total rules 4054 place count 861 transition count 919
Iterating global reduction 0 with 4054 rules applied. Total rules applied 8108 place count 861 transition count 919
Applied a total of 8108 rules in 582 ms. Remains 861 /4915 variables (removed 4054) and now considering 919/9009 (removed 8090) transitions.
// Phase 1: matrix 919 rows 861 cols
[2025-06-07 15:53:11] [INFO ] Computed 1 invariants in 70 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:53:12] [INFO ] Implicit Places using invariants in 770 ms returned []
[2025-06-07 15:53:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:53:13] [INFO ] Implicit Places using invariants and state equation in 985 ms returned []
Implicit Place search using SMT with State Equation took 1804 ms to find 0 implicit places.
Running 918 sub problems to find dead transitions.
[2025-06-07 15:53:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s1 1.0)
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(s435 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/860 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 918 unsolved
SMT process timed out in 30448ms, After SMT, problems are : Problem set: 0 solved, 918 unsolved
Search for dead transitions found 0 dead transitions in 30466ms
Starting structural reductions in LTL mode, iteration 1 : 861/4915 places, 919/9009 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32879 ms. Remains : 861/4915 places, 919/9009 transitions.
Support contains 64 out of 861 places after structural reductions.
[2025-06-07 15:53:43] [INFO ] Flatten gal took : 88 ms
[2025-06-07 15:53:44] [INFO ] Flatten gal took : 47 ms
[2025-06-07 15:53:44] [INFO ] Input system was already deterministic with 919 transitions.
Support contains 60 out of 861 places (down from 64) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 32 to 31
RANDOM walk for 37352 steps (41 resets) in 1953 ms. (19 steps per ms) remains 0/31 properties
FORMULA ViralEpidemic-PT-S16D2C4A02-LTLFireability-08 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 861 stabilizing places and 919 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 861 transition count 919
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_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G((p0||X(X(X(p1))))) U !p2)&&F(p1)))'
Support contains 6 out of 861 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 861/861 places, 919/919 transitions.
Discarding 52 places :
Symmetric choice reduction at 0 with 52 rule applications. Total rules 52 place count 809 transition count 811
Iterating global reduction 0 with 52 rules applied. Total rules applied 104 place count 809 transition count 811
Applied a total of 104 rules in 72 ms. Remains 809 /861 variables (removed 52) and now considering 811/919 (removed 108) transitions.
// Phase 1: matrix 811 rows 809 cols
[2025-06-07 15:53:45] [INFO ] Computed 1 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:53:45] [INFO ] Implicit Places using invariants in 675 ms returned []
[2025-06-07 15:53:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:53:46] [INFO ] Implicit Places using invariants and state equation in 588 ms returned []
Implicit Place search using SMT with State Equation took 1269 ms to find 0 implicit places.
Running 810 sub problems to find dead transitions.
[2025-06-07 15:53:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/808 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 810 unsolved
At refinement iteration 1 (OVERLAPS) 1/809 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 810 unsolved
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timeout
(s232 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 809/1620 variables, and 1 constraints, problems are : Problem set: 0 solved, 810 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/809 constraints, PredecessorRefiner: 810/810 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 810 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/808 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 810 unsolved
At refinement iteration 1 (OVERLAPS) 1/809 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 810 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 809/1620 variables, and 1 constraints, problems are : Problem set: 0 solved, 810 unsolved in 30024 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/809 constraints, PredecessorRefiner: 0/810 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60179ms problems are : Problem set: 0 solved, 810 unsolved
Search for dead transitions found 0 dead transitions in 60183ms
Starting structural reductions in LTL mode, iteration 1 : 809/861 places, 811/919 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61527 ms. Remains : 809/861 places, 811/919 transitions.
Stuttering acceptance computed with spot in 498 ms :[(OR (NOT p1) p2), (NOT p1), (AND (NOT p0) (NOT p1)), p2, (NOT p1), (NOT p1), (NOT p1), true]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A02-LTLFireability-01
Stuttering criterion allowed to conclude after 783 steps with 0 reset in 35 ms.
FORMULA ViralEpidemic-PT-S16D2C4A02-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S16D2C4A02-LTLFireability-01 finished in 62149 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X((p1 U X(G(p2)))))))'
Support contains 6 out of 861 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 861/861 places, 919/919 transitions.
Discarding 52 places :
Symmetric choice reduction at 0 with 52 rule applications. Total rules 52 place count 809 transition count 811
Iterating global reduction 0 with 52 rules applied. Total rules applied 104 place count 809 transition count 811
Applied a total of 104 rules in 38 ms. Remains 809 /861 variables (removed 52) and now considering 811/919 (removed 108) transitions.
// Phase 1: matrix 811 rows 809 cols
[2025-06-07 15:54:47] [INFO ] Computed 1 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:54:47] [INFO ] Implicit Places using invariants in 332 ms returned []
[2025-06-07 15:54:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:54:48] [INFO ] Implicit Places using invariants and state equation in 700 ms returned []
Implicit Place search using SMT with State Equation took 1036 ms to find 0 implicit places.
Running 810 sub problems to find dead transitions.
[2025-06-07 15:54:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/808 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 810 unsolved
At refinement iteration 1 (OVERLAPS) 1/809 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 810 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 809/1620 variables, and 1 constraints, problems are : Problem set: 0 solved, 810 unsolved in 30017 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/809 constraints, PredecessorRefiner: 810/810 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 810 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/808 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 810 unsolved
At refinement iteration 1 (OVERLAPS) 1/809 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 810 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 809/1620 variables, and 1 constraints, problems are : Problem set: 0 solved, 810 unsolved in 30022 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/809 constraints, PredecessorRefiner: 0/810 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60168ms problems are : Problem set: 0 solved, 810 unsolved
Search for dead transitions found 0 dead transitions in 60171ms
Starting structural reductions in LTL mode, iteration 1 : 809/861 places, 811/919 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61248 ms. Remains : 809/861 places, 811/919 transitions.
Stuttering acceptance computed with spot in 221 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p2), (NOT p2), true]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A02-LTLFireability-02
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA ViralEpidemic-PT-S16D2C4A02-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S16D2C4A02-LTLFireability-02 finished in 61498 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(((X(X(X(p0)))&&(!p1||F(!p2)))||G(p0))))'
Support contains 5 out of 861 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 861/861 places, 919/919 transitions.
Discarding 54 places :
Symmetric choice reduction at 0 with 54 rule applications. Total rules 54 place count 807 transition count 808
Iterating global reduction 0 with 54 rules applied. Total rules applied 108 place count 807 transition count 808
Applied a total of 108 rules in 42 ms. Remains 807 /861 variables (removed 54) and now considering 808/919 (removed 111) transitions.
// Phase 1: matrix 808 rows 807 cols
[2025-06-07 15:55:48] [INFO ] Computed 1 invariants in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:55:49] [INFO ] Implicit Places using invariants in 322 ms returned []
[2025-06-07 15:55:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:55:49] [INFO ] Implicit Places using invariants and state equation in 677 ms returned []
Implicit Place search using SMT with State Equation took 1001 ms to find 0 implicit places.
Running 807 sub problems to find dead transitions.
[2025-06-07 15:55:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/806 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 807 unsolved
At refinement iteration 1 (OVERLAPS) 1/807 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 807 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 807/1615 variables, and 1 constraints, problems are : Problem set: 0 solved, 807 unsolved in 30021 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/807 constraints, PredecessorRefiner: 807/807 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 807 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/806 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 807 unsolved
At refinement iteration 1 (OVERLAPS) 1/807 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 807 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 807/1615 variables, and 1 constraints, problems are : Problem set: 0 solved, 807 unsolved in 30023 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/807 constraints, PredecessorRefiner: 0/807 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60138ms problems are : Problem set: 0 solved, 807 unsolved
Search for dead transitions found 0 dead transitions in 60140ms
Starting structural reductions in LTL mode, iteration 1 : 807/861 places, 808/919 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61186 ms. Remains : 807/861 places, 808/919 transitions.
Stuttering acceptance computed with spot in 508 ms :[(NOT p0), (NOT p0), (AND (NOT p0) p2), (NOT p0), (AND (NOT p0) p2), (AND (NOT p0) p2), (NOT p0), (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2), (AND (NOT p0) p2)]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A02-LTLFireability-03
Product exploration explored 100000 steps with 12064 reset in 1263 ms.
Product exploration explored 100000 steps with 13201 reset in 1362 ms.
Computed a total of 807 stabilizing places and 808 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 807 transition count 808
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)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND (NOT p1) (NOT p2) p0), (X (NOT p2)), (X (NOT (AND (NOT p1) p2 p0))), (X (NOT (AND (NOT p1) p2 (NOT p0)))), (X (NOT (AND p1 p2))), (X (NOT (AND p1 p2 p0))), (X p0), (X (NOT p1)), (X (NOT (AND p1 p2 (NOT p0)))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p2 p0)))), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X (NOT (AND p1 p2)))), (X (X (NOT (AND p1 p2 p0)))), (X (X (NOT p1))), (X (X (NOT (AND p1 p2 (NOT p0))))), (F (G (NOT p1))), (F (G (NOT p2))), (F (G 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 19 factoid took 23 ms. Reduced automaton from 12 states, 32 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S16D2C4A02-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S16D2C4A02-LTLFireability-03 finished in 64616 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((F((F(p1)&&p0))&&X(X(p2))))))'
Support contains 6 out of 861 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 861/861 places, 919/919 transitions.
Discarding 52 places :
Symmetric choice reduction at 0 with 52 rule applications. Total rules 52 place count 809 transition count 811
Iterating global reduction 0 with 52 rules applied. Total rules applied 104 place count 809 transition count 811
Applied a total of 104 rules in 36 ms. Remains 809 /861 variables (removed 52) and now considering 811/919 (removed 108) transitions.
// Phase 1: matrix 811 rows 809 cols
[2025-06-07 15:56:53] [INFO ] Computed 1 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:56:53] [INFO ] Implicit Places using invariants in 311 ms returned []
[2025-06-07 15:56:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:56:54] [INFO ] Implicit Places using invariants and state equation in 717 ms returned []
Implicit Place search using SMT with State Equation took 1031 ms to find 0 implicit places.
Running 810 sub problems to find dead transitions.
[2025-06-07 15:56:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/808 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 810 unsolved
At refinement iteration 1 (OVERLAPS) 1/809 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 810 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 809/1620 variables, and 1 constraints, problems are : Problem set: 0 solved, 810 unsolved in 30031 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/809 constraints, PredecessorRefiner: 810/810 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 810 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/808 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 810 unsolved
At refinement iteration 1 (OVERLAPS) 1/809 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 810 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 809/1620 variables, and 1 constraints, problems are : Problem set: 0 solved, 810 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/809 constraints, PredecessorRefiner: 0/810 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60154ms problems are : Problem set: 0 solved, 810 unsolved
Search for dead transitions found 0 dead transitions in 60158ms
Starting structural reductions in LTL mode, iteration 1 : 809/861 places, 811/919 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61229 ms. Remains : 809/861 places, 811/919 transitions.
Stuttering acceptance computed with spot in 300 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p0) (NOT p2)), (OR (NOT p0) (NOT p1)), (NOT p2), (NOT p1), (NOT p2), true]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A02-LTLFireability-04
Stuttering criterion allowed to conclude after 777 steps with 0 reset in 11 ms.
FORMULA ViralEpidemic-PT-S16D2C4A02-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S16D2C4A02-LTLFireability-04 finished in 61563 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(F(p0))))))'
Support contains 2 out of 861 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 861/861 places, 919/919 transitions.
Discarding 56 places :
Symmetric choice reduction at 0 with 56 rule applications. Total rules 56 place count 805 transition count 805
Iterating global reduction 0 with 56 rules applied. Total rules applied 112 place count 805 transition count 805
Applied a total of 112 rules in 34 ms. Remains 805 /861 variables (removed 56) and now considering 805/919 (removed 114) transitions.
// Phase 1: matrix 805 rows 805 cols
[2025-06-07 15:57:55] [INFO ] Computed 1 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:57:55] [INFO ] Implicit Places using invariants in 349 ms returned []
[2025-06-07 15:57:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:57:56] [INFO ] Implicit Places using invariants and state equation in 666 ms returned []
Implicit Place search using SMT with State Equation took 1029 ms to find 0 implicit places.
Running 804 sub problems to find dead transitions.
[2025-06-07 15:57:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/804 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 804 unsolved
At refinement iteration 1 (OVERLAPS) 1/805 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 804 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 805/1610 variables, and 1 constraints, problems are : Problem set: 0 solved, 804 unsolved in 30021 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/805 constraints, PredecessorRefiner: 804/804 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 804 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/804 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 804 unsolved
At refinement iteration 1 (OVERLAPS) 1/805 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 804 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 805/1610 variables, and 1 constraints, problems are : Problem set: 0 solved, 804 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/805 constraints, PredecessorRefiner: 0/804 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60131ms problems are : Problem set: 0 solved, 804 unsolved
Search for dead transitions found 0 dead transitions in 60133ms
Starting structural reductions in LTL mode, iteration 1 : 805/861 places, 805/919 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61198 ms. Remains : 805/861 places, 805/919 transitions.
Stuttering acceptance computed with spot in 213 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A02-LTLFireability-05
Product exploration explored 100000 steps with 19685 reset in 933 ms.
Product exploration explored 100000 steps with 19573 reset in 1087 ms.
Computed a total of 805 stabilizing places and 805 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 805 transition count 805
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)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [p0, (F (G p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 17 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S16D2C4A02-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S16D2C4A02-LTLFireability-05 finished in 63700 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 861 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 861/861 places, 919/919 transitions.
Graph (complete) has 558 edges and 861 vertex of which 22 are kept as prefixes of interest. Removing 839 places using SCC suffix rule.7 ms
Discarding 839 places :
Also discarding 852 output transitions
Drop transitions (Output transitions of discarded places.) removed 852 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 0 with 18 rules applied. Total rules applied 19 place count 21 transition count 48
Discarding 12 places :
Symmetric choice reduction at 1 with 12 rule applications. Total rules 31 place count 9 transition count 12
Iterating global reduction 1 with 12 rules applied. Total rules applied 43 place count 9 transition count 12
Applied a total of 43 rules in 23 ms. Remains 9 /861 variables (removed 852) and now considering 12/919 (removed 907) transitions.
// Phase 1: matrix 12 rows 9 cols
[2025-06-07 15:58:58] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:58:58] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-06-07 15:58:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:58:58] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 15:58:58] [INFO ] Redundant transitions in 11 ms returned [11]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 11 rows 9 cols
[2025-06-07 15:58:58] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 8/14 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 2/16 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 2/18 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/18 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 18/20 variables, and 8 constraints, problems are : Problem set: 0 solved, 6 unsolved in 91 ms.
Refiners :[State Equation: 8/9 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 8/14 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 2/16 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/16 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 2/18 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/18 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 0/18 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 18/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 6 unsolved in 98 ms.
Refiners :[State Equation: 8/9 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 194ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 194ms
Starting structural reductions in SI_LTL mode, iteration 1 : 9/861 places, 11/919 transitions.
Graph (complete) has 3 edges and 9 vertex of which 8 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Applied a total of 1 rules in 1 ms. Remains 8 /9 variables (removed 1) and now considering 10/11 (removed 1) transitions.
// Phase 1: matrix 10 rows 8 cols
[2025-06-07 15:58:58] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:58:58] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-07 15:58:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:58:59] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 8/861 places, 10/919 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 317 ms. Remains : 8/861 places, 10/919 transitions.
Stuttering acceptance computed with spot in 80 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A02-LTLFireability-06
Stuttering criterion allowed to conclude after 16 steps with 1 reset in 1 ms.
FORMULA ViralEpidemic-PT-S16D2C4A02-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S16D2C4A02-LTLFireability-06 finished in 417 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(!(X(p0) U G((!F(X((G(p2)&&p1)))&&F(p2)))))'
Support contains 4 out of 861 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 861/861 places, 919/919 transitions.
Discarding 57 places :
Symmetric choice reduction at 0 with 57 rule applications. Total rules 57 place count 804 transition count 818
Iterating global reduction 0 with 57 rules applied. Total rules applied 114 place count 804 transition count 818
Applied a total of 114 rules in 39 ms. Remains 804 /861 variables (removed 57) and now considering 818/919 (removed 101) transitions.
// Phase 1: matrix 818 rows 804 cols
[2025-06-07 15:58:59] [INFO ] Computed 1 invariants in 14 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:58:59] [INFO ] Implicit Places using invariants in 362 ms returned []
[2025-06-07 15:58:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 15:59:00] [INFO ] Implicit Places using invariants and state equation in 686 ms returned []
Implicit Place search using SMT with State Equation took 1049 ms to find 0 implicit places.
Running 817 sub problems to find dead transitions.
[2025-06-07 15:59:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/803 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 817 unsolved
At refinement iteration 1 (OVERLAPS) 1/804 variables, 1/1 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 Real declared 804/1622 variables, and 1 constraints, problems are : Problem set: 0 solved, 817 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/804 constraints, PredecessorRefiner: 817/817 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 817 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/803 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 817 unsolved
At refinement iteration 1 (OVERLAPS) 1/804 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 817 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 804/1622 variables, and 1 constraints, problems are : Problem set: 0 solved, 817 unsolved in 30024 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/804 constraints, PredecessorRefiner: 0/817 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60155ms problems are : Problem set: 0 solved, 817 unsolved
Search for dead transitions found 0 dead transitions in 60159ms
Starting structural reductions in LTL mode, iteration 1 : 804/861 places, 818/919 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61250 ms. Remains : 804/861 places, 818/919 transitions.
Stuttering acceptance computed with spot in 182 ms :[(AND (NOT p1) p2), false, (AND p2 (NOT p1)), false]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A02-LTLFireability-07
Product exploration explored 100000 steps with 240 reset in 1149 ms.
Product exploration explored 100000 steps with 243 reset in 1249 ms.
Computed a total of 804 stabilizing places and 818 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 804 transition count 818
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)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT (AND p2 p1))), (X (NOT (AND p2 p0 p1))), (X (NOT p0)), (X (NOT (AND p2 (NOT p1)))), (X (NOT p1)), (X (X (NOT (AND p2 p0 p1)))), (X (X (NOT (AND p2 (NOT p1))))), (F (G (NOT p0))), (F (G (NOT p2))), (F (G (NOT p1)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND p2 p1))), (X (X (NOT (AND p2 p1)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 12 factoid took 23 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S16D2C4A02-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S16D2C4A02-LTLFireability-07 finished in 64111 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((G((p0||F(p1)))||(G(p3)&&p2))) U X(X(p3))))'
Support contains 6 out of 861 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 861/861 places, 919/919 transitions.
Discarding 51 places :
Symmetric choice reduction at 0 with 51 rule applications. Total rules 51 place count 810 transition count 827
Iterating global reduction 0 with 51 rules applied. Total rules applied 102 place count 810 transition count 827
Applied a total of 102 rules in 32 ms. Remains 810 /861 variables (removed 51) and now considering 827/919 (removed 92) transitions.
// Phase 1: matrix 827 rows 810 cols
[2025-06-07 16:00:03] [INFO ] Computed 1 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:00:03] [INFO ] Implicit Places using invariants in 336 ms returned []
[2025-06-07 16:00:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:00:04] [INFO ] Implicit Places using invariants and state equation in 693 ms returned []
Implicit Place search using SMT with State Equation took 1030 ms to find 0 implicit places.
Running 826 sub problems to find dead transitions.
[2025-06-07 16:00:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/809 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 826 unsolved
At refinement iteration 1 (OVERLAPS) 1/810 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 826 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 810/1637 variables, and 1 constraints, problems are : Problem set: 0 solved, 826 unsolved in 30018 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/810 constraints, PredecessorRefiner: 826/826 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 826 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/809 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 826 unsolved
At refinement iteration 1 (OVERLAPS) 1/810 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 826 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1)
(s1 1)
(s2 0)
(s3 1)
(s4 1)
(s5 1)
(s6 1)
(s7 1)
(s8 1)
(s9 1)
(s10 1)
(s11 1)
(s12 1)
(s13 1)
(s14 1)
(s15 1)
(s16 1)
(s17 1)
(s18 1)
(s19 1)
(s20 1)
(s21 1)
(s22 1)
(s23 1)
(s24 1)
(s25 1)
(s26 1)
(s27 1)
(s28 1)
(s29 1)
(s30 1)
(s31 1)
(s32 1)
(s33 1)
(s34 1)
(s35 1)
(s36 1)
(s37 1)
(s38 1)
(s39 1)
(s40 1)
(s41 1)
(s42 1)
(s43 1)
(s44 1)
(s45 1)
(s46 1)
(s47 1)
(s48 1)
(s49 1)
(s50 1)
(s51 1)
(s52 1)
(s53 1)
(s54 1)
(s55 1)
(s56 1)
(s57 1)
(s58 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 810/1637 variables, and 1 constraints, problems are : Problem set: 0 solved, 826 unsolved in 30024 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/810 constraints, PredecessorRefiner: 0/826 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60160ms problems are : Problem set: 0 solved, 826 unsolved
Search for dead transitions found 0 dead transitions in 60162ms
Starting structural reductions in LTL mode, iteration 1 : 810/861 places, 827/919 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61229 ms. Remains : 810/861 places, 827/919 transitions.
Stuttering acceptance computed with spot in 318 ms :[(NOT p3), (AND (NOT p1) p0 (NOT p3)), (NOT p3), (AND p0 (NOT p1) (NOT p3)), (NOT p3), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A02-LTLFireability-09
Stuttering criterion allowed to conclude after 777 steps with 0 reset in 9 ms.
FORMULA ViralEpidemic-PT-S16D2C4A02-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S16D2C4A02-LTLFireability-09 finished in 61592 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(G(p0))&&(X(X(!p1)) U ((!p2&&X(X(!p1)))||X(X(G(!p1))))))))'
Support contains 6 out of 861 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 861/861 places, 919/919 transitions.
Discarding 52 places :
Symmetric choice reduction at 0 with 52 rule applications. Total rules 52 place count 809 transition count 811
Iterating global reduction 0 with 52 rules applied. Total rules applied 104 place count 809 transition count 811
Applied a total of 104 rules in 39 ms. Remains 809 /861 variables (removed 52) and now considering 811/919 (removed 108) transitions.
// Phase 1: matrix 811 rows 809 cols
[2025-06-07 16:01:04] [INFO ] Computed 1 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:01:05] [INFO ] Implicit Places using invariants in 317 ms returned []
[2025-06-07 16:01:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:01:05] [INFO ] Implicit Places using invariants and state equation in 701 ms returned []
Implicit Place search using SMT with State Equation took 1020 ms to find 0 implicit places.
Running 810 sub problems to find dead transitions.
[2025-06-07 16:01:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/808 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 810 unsolved
At refinement iteration 1 (OVERLAPS) 1/809 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 810 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 809/1620 variables, and 1 constraints, problems are : Problem set: 0 solved, 810 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/809 constraints, PredecessorRefiner: 810/810 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 810 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/808 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 810 unsolved
At refinement iteration 1 (OVERLAPS) 1/809 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 810 unsolved
(s448 1timeout
^^^^^^^^
(error "Invalid token: 1timeout")
Error getting values : (error "ParserException while parsing response: ((s0 1)
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 809/1620 variables, and 1 constraints, problems are : Problem set: 0 solved, 810 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/809 constraints, PredecessorRefiner: 0/810 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60134ms problems are : Problem set: 0 solved, 810 unsolved
Search for dead transitions found 0 dead transitions in 60136ms
Starting structural reductions in LTL mode, iteration 1 : 809/861 places, 811/919 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61197 ms. Remains : 809/861 places, 811/919 transitions.
Stuttering acceptance computed with spot in 302 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), (NOT p0), p1, true, p1, p1]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A02-LTLFireability-11
Entered a terminal (fully accepting) state of product in 6 steps with 1 reset in 0 ms.
FORMULA ViralEpidemic-PT-S16D2C4A02-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S16D2C4A02-LTLFireability-11 finished in 61529 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((X(p1)||p0))))'
Support contains 2 out of 861 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 861/861 places, 919/919 transitions.
Discarding 56 places :
Symmetric choice reduction at 0 with 56 rule applications. Total rules 56 place count 805 transition count 805
Iterating global reduction 0 with 56 rules applied. Total rules applied 112 place count 805 transition count 805
Applied a total of 112 rules in 37 ms. Remains 805 /861 variables (removed 56) and now considering 805/919 (removed 114) transitions.
// Phase 1: matrix 805 rows 805 cols
[2025-06-07 16:02:06] [INFO ] Computed 1 invariants in 13 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:02:06] [INFO ] Implicit Places using invariants in 336 ms returned []
[2025-06-07 16:02:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:02:07] [INFO ] Implicit Places using invariants and state equation in 700 ms returned []
Implicit Place search using SMT with State Equation took 1037 ms to find 0 implicit places.
Running 804 sub problems to find dead transitions.
[2025-06-07 16:02:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/804 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 804 unsolved
At refinement iteration 1 (OVERLAPS) 1/805 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 804 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 805/1610 variables, and 1 constraints, problems are : Problem set: 0 solved, 804 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/805 constraints, PredecessorRefiner: 804/804 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 804 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/804 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 804 unsolved
At refinement iteration 1 (OVERLAPS) 1/805 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 804 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 805/1610 variables, and 1 constraints, problems are : Problem set: 0 solved, 804 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/805 constraints, PredecessorRefiner: 0/804 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60126ms problems are : Problem set: 0 solved, 804 unsolved
Search for dead transitions found 0 dead transitions in 60127ms
Starting structural reductions in LTL mode, iteration 1 : 805/861 places, 805/919 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61203 ms. Remains : 805/861 places, 805/919 transitions.
Stuttering acceptance computed with spot in 92 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A02-LTLFireability-12
Product exploration explored 100000 steps with 125 reset in 1063 ms.
Product exploration explored 100000 steps with 126 reset in 1231 ms.
Computed a total of 805 stabilizing places and 805 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 805 transition count 805
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)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 p1))), (X (AND p0 (NOT p1))), (X p0), (X (NOT p1)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 p1)))), (X (X (AND p0 (NOT p1)))), (X (X p0)), (X (X (NOT p1))), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 15 factoid took 14 ms. Reduced automaton from 2 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S16D2C4A02-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S16D2C4A02-LTLFireability-12 finished in 63822 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((!p0&&X((!p0 U (p1||G(!p0))))))))'
Support contains 4 out of 861 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 861/861 places, 919/919 transitions.
Discarding 54 places :
Symmetric choice reduction at 0 with 54 rule applications. Total rules 54 place count 807 transition count 808
Iterating global reduction 0 with 54 rules applied. Total rules applied 108 place count 807 transition count 808
Applied a total of 108 rules in 36 ms. Remains 807 /861 variables (removed 54) and now considering 808/919 (removed 111) transitions.
// Phase 1: matrix 808 rows 807 cols
[2025-06-07 16:03:10] [INFO ] Computed 1 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:03:10] [INFO ] Implicit Places using invariants in 292 ms returned []
[2025-06-07 16:03:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:03:11] [INFO ] Implicit Places using invariants and state equation in 673 ms returned []
Implicit Place search using SMT with State Equation took 978 ms to find 0 implicit places.
Running 807 sub problems to find dead transitions.
[2025-06-07 16:03:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/806 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 807 unsolved
At refinement iteration 1 (OVERLAPS) 1/807 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 807 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 807/1615 variables, and 1 constraints, problems are : Problem set: 0 solved, 807 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/807 constraints, PredecessorRefiner: 807/807 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 807 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/806 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 807 unsolved
At refinement iteration 1 (OVERLAPS) 1/807 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 807 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 807/1615 variables, and 1 constraints, problems are : Problem set: 0 solved, 807 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/807 constraints, PredecessorRefiner: 0/807 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60122ms problems are : Problem set: 0 solved, 807 unsolved
Search for dead transitions found 0 dead transitions in 60123ms
Starting structural reductions in LTL mode, iteration 1 : 807/861 places, 808/919 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61140 ms. Remains : 807/861 places, 808/919 transitions.
Stuttering acceptance computed with spot in 108 ms :[p0, p0, (AND p0 (NOT p1))]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A02-LTLFireability-13
Product exploration explored 100000 steps with 185 reset in 1099 ms.
Product exploration explored 100000 steps with 199 reset in 1315 ms.
Computed a total of 807 stabilizing places and 808 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 807 transition count 808
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)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X (NOT p1))), (F (G (NOT p0))), (F (G (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 11 factoid took 15 ms. Reduced automaton from 3 states, 7 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S16D2C4A02-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S16D2C4A02-LTLFireability-13 finished in 63915 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 861 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 861/861 places, 919/919 transitions.
Graph (complete) has 558 edges and 861 vertex of which 25 are kept as prefixes of interest. Removing 836 places using SCC suffix rule.3 ms
Discarding 836 places :
Also discarding 849 output transitions
Drop transitions (Output transitions of discarded places.) removed 849 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 23 place count 24 transition count 47
Discarding 14 places :
Symmetric choice reduction at 1 with 14 rule applications. Total rules 37 place count 10 transition count 14
Iterating global reduction 1 with 14 rules applied. Total rules applied 51 place count 10 transition count 14
Applied a total of 51 rules in 6 ms. Remains 10 /861 variables (removed 851) and now considering 14/919 (removed 905) transitions.
// Phase 1: matrix 14 rows 10 cols
[2025-06-07 16:04:14] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:04:14] [INFO ] Implicit Places using invariants in 77 ms returned []
[2025-06-07 16:04:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:04:14] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 101 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 16:04:14] [INFO ] Redundant transitions in 12 ms returned [6, 13]
Found 2 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 2 transitions
Redundant transitions reduction (with SMT) removed 2 transitions.
Running 7 sub problems to find dead transitions.
// Phase 1: matrix 12 rows 10 cols
[2025-06-07 16:04:14] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 9/16 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 2/18 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 2/20 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/22 variables, and 9 constraints, problems are : Problem set: 0 solved, 7 unsolved in 75 ms.
Refiners :[State Equation: 9/10 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 9/16 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 2/18 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 2/20 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/22 variables, and 16 constraints, problems are : Problem set: 0 solved, 7 unsolved in 94 ms.
Refiners :[State Equation: 9/10 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 192ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 192ms
Starting structural reductions in SI_LTL mode, iteration 1 : 10/861 places, 12/919 transitions.
Graph (complete) has 4 edges and 10 vertex of which 8 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Applied a total of 1 rules in 2 ms. Remains 8 /10 variables (removed 2) and now considering 10/12 (removed 2) transitions.
// Phase 1: matrix 10 rows 8 cols
[2025-06-07 16:04:14] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:04:14] [INFO ] Implicit Places using invariants in 16 ms returned []
[2025-06-07 16:04:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:04:14] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 8/861 places, 10/919 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 367 ms. Remains : 8/861 places, 10/919 transitions.
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A02-LTLFireability-14
Stuttering criterion allowed to conclude after 13 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S16D2C4A02-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S16D2C4A02-LTLFireability-14 finished in 454 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 861 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 861/861 places, 919/919 transitions.
Graph (complete) has 558 edges and 861 vertex of which 21 are kept as prefixes of interest. Removing 840 places using SCC suffix rule.2 ms
Discarding 840 places :
Also discarding 853 output transitions
Drop transitions (Output transitions of discarded places.) removed 853 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 0 with 21 rules applied. Total rules applied 22 place count 20 transition count 44
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 32 place count 10 transition count 14
Iterating global reduction 1 with 10 rules applied. Total rules applied 42 place count 10 transition count 14
Applied a total of 42 rules in 5 ms. Remains 10 /861 variables (removed 851) and now considering 14/919 (removed 905) transitions.
// Phase 1: matrix 14 rows 10 cols
[2025-06-07 16:04:14] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:04:14] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-06-07 16:04:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:04:14] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 16:04:14] [INFO ] Redundant transitions in 13 ms returned [6, 13]
Found 2 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 2 transitions
Redundant transitions reduction (with SMT) removed 2 transitions.
Running 7 sub problems to find dead transitions.
// Phase 1: matrix 12 rows 10 cols
[2025-06-07 16:04:14] [INFO ] Computed 0 invariants in 6 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 9/16 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 2/18 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 2/20 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/22 variables, and 9 constraints, problems are : Problem set: 0 solved, 7 unsolved in 118 ms.
Refiners :[State Equation: 9/10 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 9/16 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/16 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 2/18 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 2/20 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/22 variables, and 16 constraints, problems are : Problem set: 0 solved, 7 unsolved in 104 ms.
Refiners :[State Equation: 9/10 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 241ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 241ms
Starting structural reductions in SI_LTL mode, iteration 1 : 10/861 places, 12/919 transitions.
Graph (complete) has 4 edges and 10 vertex of which 8 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Applied a total of 1 rules in 0 ms. Remains 8 /10 variables (removed 2) and now considering 10/12 (removed 2) transitions.
// Phase 1: matrix 10 rows 8 cols
[2025-06-07 16:04:14] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:04:14] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-07 16:04:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:04:14] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 8/861 places, 10/919 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 355 ms. Remains : 8/861 places, 10/919 transitions.
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S16D2C4A02-LTLFireability-15
Product exploration explored 100000 steps with 6549 reset in 81 ms.
Product exploration explored 100000 steps with 6560 reset in 102 ms.
Computed a total of 8 stabilizing places and 10 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 8 transition count 10
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)...)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Knowledge obtained : [p0, (X p0), (F (G 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 3 factoid took 46 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S16D2C4A02-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S16D2C4A02-LTLFireability-15 finished in 658 ms.
All properties solved by simple procedures.
Total runtime 665008 ms.
BK_STOP 1749312255555
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="ViralEpidemic-PT-S16D2C4A02"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is ViralEpidemic-PT-S16D2C4A02, 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 r240-tall-174915590901028"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ViralEpidemic-PT-S16D2C4A02.tgz
mv ViralEpidemic-PT-S16D2C4A02 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.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 ;