About the Execution of ITS-Tools for ViralEpidemic-PT-S03D1C1A06
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 570101.00 | 0.00 | 0.00 | TFTFFFFFFFFFTFFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r240-tall-174915590800956.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-S03D1C1A06, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915590800956
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.5M
-rw-r--r-- 1 mcc users 7.4K May 29 14:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K May 29 14:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 29 14:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K 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 20K May 29 14:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K May 29 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 148K May 29 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K 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 3.1M 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-S03D1C1A06-LTLFireability-00
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-LTLFireability-01
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-LTLFireability-02
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-LTLFireability-03
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-LTLFireability-04
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-LTLFireability-05
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-LTLFireability-06
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-LTLFireability-07
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-LTLFireability-08
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-LTLFireability-09
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-LTLFireability-10
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-LTLFireability-11
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-LTLFireability-12
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-LTLFireability-13
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-LTLFireability-14
FORMULA_NAME ViralEpidemic-PT-S03D1C1A06-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1749294948789
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-S03D1C1A06
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-07 11:15:50] [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 11:15:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 11:15:50] [INFO ] Load time of PNML (sax parser for PT used): 374 ms
[2025-06-07 11:15:50] [INFO ] Transformed 5466 places.
[2025-06-07 11:15:50] [INFO ] Transformed 7651 transitions.
[2025-06-07 11:15:50] [INFO ] Found NUPN structural information;
[2025-06-07 11:15:50] [INFO ] Parsed PT model containing 5466 places and 7651 transitions and 17488 arcs in 539 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 3 formulas.
FORMULA ViralEpidemic-PT-S03D1C1A06-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ViralEpidemic-PT-S03D1C1A06-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ViralEpidemic-PT-S03D1C1A06-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 67 out of 5466 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 5466/5466 places, 7651/7651 transitions.
Discarding 2501 places :
Symmetric choice reduction at 0 with 2501 rule applications. Total rules 2501 place count 2965 transition count 3007
Iterating global reduction 0 with 2501 rules applied. Total rules applied 5002 place count 2965 transition count 3007
Applied a total of 5002 rules in 945 ms. Remains 2965 /5466 variables (removed 2501) and now considering 3007/7651 (removed 4644) transitions.
// Phase 1: matrix 3007 rows 2965 cols
[2025-06-07 11:15:52] [INFO ] Invariants computation overflowed in 185 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:15:53] [INFO ] Implicit Places using invariants in 1583 ms returned []
// Phase 1: matrix 3007 rows 2965 cols
[2025-06-07 11:15:53] [INFO ] Invariants computation overflowed in 142 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:15:56] [INFO ] Implicit Places using invariants and state equation in 3172 ms returned []
Implicit Place search using SMT with State Equation took 4800 ms to find 0 implicit places.
Running 3006 sub problems to find dead transitions.
// Phase 1: matrix 3007 rows 2965 cols
[2025-06-07 11:15:57] [INFO ] Invariants computation overflowed in 34 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s2 1.0)
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(s293 1.0)
(s294 1.0)
(s295 1.0)
(s296 1.0)
(s297 1.0)
(s298 1.0)
(s299 1.0)
(s300 1.0)
(s301 1.0)
(s302 1.0)
(s303 1.0)
(s304 1.0)
(s305 1.0)
(s306 1.0)
(s307 1.0)
(s308 1.0)
(s309 1.0)
(s310 1.0)
(s311 1.0)
(s312 1.0)
(s313 1.0)
(s314 1.0)
(s315 1.0)
(s316 1.0)
(s317 1.0)
(s318 1.0)
(s319 1.0)
(s320 1.0)
(s321 1.0)
(s322 1.0)
(s323 1.0)
(s324 1.0)
(s325 1.0)
(s326 1.0)
(s327 1.0)
(s328 1.0)
(s329 1.0)
(s330 1.0)
(s331 1.0)
(s332 1.0)
(s333 1.0)
(s334 1.0)
(s335 1.0)
(s336 1.0)
(s337 1.0)
(s338 1.0)
(s339 1.0)
(s340 1.0)
(s341 1.0)
(s342 1.0)
(s343 1.0)
(s344 1.0)
(s345 1.0)
(s346 1.0)
(s347 1.0)
(s348 1.0)
(s349 1.0)
(s350 1.0)
(s351 1.0)
(s352 1.0)
(s353 1.0)
(s354 1.0)
(s355 1.0)
(s356 1.0)
(s357 1.0)
(s358 1.0)
(s359 1.0)
(s360 1.0)
(s361 1.0)
(s362 1.0)
(s363 1.0)
(s364 1.0)
(s365 1.0)
(s366 1.0)
(s367 1.0)
(s368 1.0)
(s369 1.0)
(s370 1.0)
(s371 1.0)
(s372 1.0)
(s373 1.0)
(s374 1.0)
(s375 1.0)
(s376 1.0)
(s377 1.0)
(s378 1.0)
(s379 1.0)
(s380 1.0)
(s381 1.0)
(s382 1.0)
(s383 1.0)
(s384 1.0)
(s385 1.0)
(s386 1.0)
(s387 1.0)
(s388 1.0)
(s389 1.0)
(s390 1.0)
(s391 1.0)
(s392 1.0)
(s393 1.0)
(s394 1.0)
(s395 1.0)
(s396 1.0)
(s397 1.0)
(s398 1.0)
(s399 1.0)
(s400 1.0)
(s401 1.0)
(s402 1.0)
(s403 1.0)
(s404 1.0)
(s405 1.0)
(s406 1.0)
(s407 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2964/5972 variables, and 0 constraints, problems are : Problem set: 0 solved, 3006 unsolved in 30088 ms.
Refiners :[State Equation: 0/2965 constraints, PredecessorRefiner: 3006/3006 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3006 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2964/5972 variables, and 0 constraints, problems are : Problem set: 0 solved, 3006 unsolved in 30056 ms.
Refiners :[State Equation: 0/2965 constraints, PredecessorRefiner: 0/3006 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61245ms problems are : Problem set: 0 solved, 3006 unsolved
Search for dead transitions found 0 dead transitions in 61275ms
Starting structural reductions in LTL mode, iteration 1 : 2965/5466 places, 3007/7651 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67065 ms. Remains : 2965/5466 places, 3007/7651 transitions.
Support contains 67 out of 2965 places after structural reductions.
[2025-06-07 11:16:58] [INFO ] Flatten gal took : 189 ms
[2025-06-07 11:16:58] [INFO ] Flatten gal took : 133 ms
[2025-06-07 11:16:59] [INFO ] Input system was already deterministic with 3007 transitions.
Reduction of identical properties reduced properties to check from 37 to 36
RANDOM walk for 40000 steps (291 resets) in 2482 ms. (16 steps per ms) remains 1/36 properties
BEST_FIRST walk for 38564 steps (10 resets) in 805 ms. (47 steps per ms) remains 0/1 properties
Computed a total of 2965 stabilizing places and 3007 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2965 transition count 3007
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(F(p0)))'
Support contains 2 out of 2965 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2965/2965 places, 3007/3007 transitions.
Graph (complete) has 1840 edges and 2965 vertex of which 23 are kept as prefixes of interest. Removing 2942 places using SCC suffix rule.9 ms
Discarding 2942 places :
Also discarding 2972 output transitions
Drop transitions (Output transitions of discarded places.) removed 2972 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 22 transition count 32
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 5 place count 20 transition count 28
Iterating global reduction 1 with 2 rules applied. Total rules applied 7 place count 20 transition count 28
Applied a total of 7 rules in 35 ms. Remains 20 /2965 variables (removed 2945) and now considering 28/3007 (removed 2979) transitions.
// Phase 1: matrix 28 rows 20 cols
[2025-06-07 11:17:00] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:17:00] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-07 11:17:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:17:00] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 11:17:00] [INFO ] Redundant transitions in 14 ms returned [11, 15]
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 20 sub problems to find dead transitions.
// Phase 1: matrix 26 rows 20 cols
[2025-06-07 11:17:00] [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) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/42 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 2/44 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 2/46 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/46 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 0/46 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 46/46 variables, and 20 constraints, problems are : Problem set: 0 solved, 20 unsolved in 327 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/42 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 2/44 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 2/46 variables, 1/40 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/46 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/46 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 46/46 variables, and 40 constraints, problems are : Problem set: 0 solved, 20 unsolved in 291 ms.
Refiners :[State Equation: 20/20 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 623ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 624ms
Starting structural reductions in SI_LTL mode, iteration 1 : 20/2965 places, 26/3007 transitions.
Graph (complete) has 11 edges and 20 vertex of which 18 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 1 ms. Remains 18 /20 variables (removed 2) and now considering 24/26 (removed 2) transitions.
// Phase 1: matrix 24 rows 18 cols
[2025-06-07 11:17:01] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:17:01] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-07 11:17:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:17:01] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 18/2965 places, 24/3007 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 782 ms. Remains : 18/2965 places, 24/3007 transitions.
Stuttering acceptance computed with spot in 213 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S03D1C1A06-LTLFireability-00
Product exploration explored 100000 steps with 8489 reset in 221 ms.
Product exploration explored 100000 steps with 8480 reset in 153 ms.
Computed a total of 18 stabilizing places and 24 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 18 transition count 24
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), (X (X p0)), (F (G p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 20 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S03D1C1A06-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S03D1C1A06-LTLFireability-00 finished in 1496 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(F(p0))&&(G(p1) U (G(F(p2)) U !p3))))'
Support contains 8 out of 2965 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2965/2965 places, 3007/3007 transitions.
Discarding 43 places :
Symmetric choice reduction at 0 with 43 rule applications. Total rules 43 place count 2922 transition count 2926
Iterating global reduction 0 with 43 rules applied. Total rules applied 86 place count 2922 transition count 2926
Applied a total of 86 rules in 241 ms. Remains 2922 /2965 variables (removed 43) and now considering 2926/3007 (removed 81) transitions.
// Phase 1: matrix 2926 rows 2922 cols
[2025-06-07 11:17:02] [INFO ] Invariants computation overflowed in 35 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:17:03] [INFO ] Implicit Places using invariants in 1208 ms returned []
// Phase 1: matrix 2926 rows 2922 cols
[2025-06-07 11:17:03] [INFO ] Invariants computation overflowed in 29 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:17:06] [INFO ] Implicit Places using invariants and state equation in 3175 ms returned []
Implicit Place search using SMT with State Equation took 4387 ms to find 0 implicit places.
Running 2925 sub problems to find dead transitions.
// Phase 1: matrix 2926 rows 2922 cols
[2025-06-07 11:17:06] [INFO ] Invariants computation overflowed in 27 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 2921/5848 variables, and 0 constraints, problems are : Problem set: 0 solved, 2925 unsolved in 30050 ms.
Refiners :[State Equation: 0/2922 constraints, PredecessorRefiner: 2925/2925 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2925 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2921/5848 variables, and 0 constraints, problems are : Problem set: 0 solved, 2925 unsolved in 30057 ms.
Refiners :[State Equation: 0/2922 constraints, PredecessorRefiner: 0/2925 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60839ms problems are : Problem set: 0 solved, 2925 unsolved
Search for dead transitions found 0 dead transitions in 60849ms
Starting structural reductions in LTL mode, iteration 1 : 2922/2965 places, 2926/3007 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 65486 ms. Remains : 2922/2965 places, 2926/3007 transitions.
Stuttering acceptance computed with spot in 296 ms :[(OR (NOT p0) p3), (NOT p0), (NOT p2), (NOT p2), p3, (AND (NOT p2) (NOT p1)), p3]
Running random walk in product with property : ViralEpidemic-PT-S03D1C1A06-LTLFireability-01
Stuttering criterion allowed to conclude after 106 steps with 0 reset in 3 ms.
FORMULA ViralEpidemic-PT-S03D1C1A06-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S03D1C1A06-LTLFireability-01 finished in 65816 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' '!(!(p0 U G((p1 U (!p2 U X(p3))))))'
Support contains 8 out of 2965 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2965/2965 places, 3007/3007 transitions.
Discarding 45 places :
Symmetric choice reduction at 0 with 45 rule applications. Total rules 45 place count 2920 transition count 2926
Iterating global reduction 0 with 45 rules applied. Total rules applied 90 place count 2920 transition count 2926
Applied a total of 90 rules in 300 ms. Remains 2920 /2965 variables (removed 45) and now considering 2926/3007 (removed 81) transitions.
// Phase 1: matrix 2926 rows 2920 cols
[2025-06-07 11:18:08] [INFO ] Invariants computation overflowed in 29 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:18:09] [INFO ] Implicit Places using invariants in 1193 ms returned []
// Phase 1: matrix 2926 rows 2920 cols
[2025-06-07 11:18:09] [INFO ] Invariants computation overflowed in 27 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:18:12] [INFO ] Implicit Places using invariants and state equation in 3229 ms returned []
Implicit Place search using SMT with State Equation took 4427 ms to find 0 implicit places.
Running 2925 sub problems to find dead transitions.
// Phase 1: matrix 2926 rows 2920 cols
[2025-06-07 11:18:12] [INFO ] Invariants computation overflowed in 31 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2919/5846 variables, and 0 constraints, problems are : Problem set: 0 solved, 2925 unsolved in 30062 ms.
Refiners :[State Equation: 0/2920 constraints, PredecessorRefiner: 2925/2925 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2925 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2919/5846 variables, and 0 constraints, problems are : Problem set: 0 solved, 2925 unsolved in 30050 ms.
Refiners :[State Equation: 0/2920 constraints, PredecessorRefiner: 0/2925 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60829ms problems are : Problem set: 0 solved, 2925 unsolved
Search for dead transitions found 0 dead transitions in 60836ms
Starting structural reductions in LTL mode, iteration 1 : 2920/2965 places, 2926/3007 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 65578 ms. Remains : 2920/2965 places, 2926/3007 transitions.
Stuttering acceptance computed with spot in 202 ms :[p3, false, p3, false]
Running random walk in product with property : ViralEpidemic-PT-S03D1C1A06-LTLFireability-02
Product exploration explored 100000 steps with 33364 reset in 2184 ms.
Product exploration explored 100000 steps with 33388 reset in 2545 ms.
Computed a total of 2920 stabilizing places and 2926 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2920 transition count 2926
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) (NOT p2) (NOT p3)), (X (NOT p2)), (X (OR (AND p1 (NOT p2)) (AND (NOT p2) (NOT p3)))), (X (NOT p3)), (X (AND (NOT p1) (NOT p2) (NOT p3))), (X (NOT (AND (NOT p1) (NOT p2) p3))), (X (NOT (AND p1 (NOT p3)))), (X (NOT (AND p1 p3))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (NOT p1)), (X (AND (NOT p0) (NOT p1) (NOT p2))), (X (X (NOT p2))), (X (X (OR (AND p1 (NOT p2)) (AND (NOT p2) (NOT p3))))), (X (X (NOT p3))), (X (X (AND (NOT p1) (NOT p2) (NOT p3)))), (X (X (NOT (AND (NOT p1) (NOT p2) p3)))), (X (X (NOT (AND p1 (NOT p3))))), (X (X (NOT (AND p1 p3)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT p0))), (X (X (NOT p1))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (F (G (NOT p0))), (F (G (NOT p1))), (F (G (NOT p2))), (F (G (NOT p3)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 27 factoid took 23 ms. Reduced automaton from 4 states, 12 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S03D1C1A06-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S03D1C1A06-LTLFireability-02 finished in 71661 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((p0||(F(G(p1)) U p1)))))'
Support contains 3 out of 2965 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2965/2965 places, 3007/3007 transitions.
Discarding 49 places :
Symmetric choice reduction at 0 with 49 rule applications. Total rules 49 place count 2916 transition count 2917
Iterating global reduction 0 with 49 rules applied. Total rules applied 98 place count 2916 transition count 2917
Applied a total of 98 rules in 293 ms. Remains 2916 /2965 variables (removed 49) and now considering 2917/3007 (removed 90) transitions.
// Phase 1: matrix 2917 rows 2916 cols
[2025-06-07 11:19:19] [INFO ] Invariants computation overflowed in 29 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:19:21] [INFO ] Implicit Places using invariants in 1187 ms returned []
// Phase 1: matrix 2917 rows 2916 cols
[2025-06-07 11:19:21] [INFO ] Invariants computation overflowed in 32 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:19:24] [INFO ] Implicit Places using invariants and state equation in 3129 ms returned []
Implicit Place search using SMT with State Equation took 4318 ms to find 0 implicit places.
Running 2916 sub problems to find dead transitions.
// Phase 1: matrix 2917 rows 2916 cols
[2025-06-07 11:19:24] [INFO ] Invariants computation overflowed in 33 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2915/5833 variables, and 0 constraints, problems are : Problem set: 0 solved, 2916 unsolved in 30044 ms.
Refiners :[State Equation: 0/2916 constraints, PredecessorRefiner: 2916/2916 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2916 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 2915/5833 variables, and 0 constraints, problems are : Problem set: 0 solved, 2916 unsolved in 30043 ms.
Refiners :[State Equation: 0/2916 constraints, PredecessorRefiner: 0/2916 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60879ms problems are : Problem set: 0 solved, 2916 unsolved
Search for dead transitions found 0 dead transitions in 60886ms
Starting structural reductions in LTL mode, iteration 1 : 2916/2965 places, 2917/3007 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 65509 ms. Remains : 2916/2965 places, 2917/3007 transitions.
Stuttering acceptance computed with spot in 189 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S03D1C1A06-LTLFireability-03
Stuttering criterion allowed to conclude after 125 steps with 0 reset in 6 ms.
FORMULA ViralEpidemic-PT-S03D1C1A06-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S03D1C1A06-LTLFireability-03 finished in 65733 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((p0||G((p1||X(X(X(p1))))))))))'
Support contains 4 out of 2965 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2965/2965 places, 3007/3007 transitions.
Discarding 47 places :
Symmetric choice reduction at 0 with 47 rule applications. Total rules 47 place count 2918 transition count 2920
Iterating global reduction 0 with 47 rules applied. Total rules applied 94 place count 2918 transition count 2920
Applied a total of 94 rules in 284 ms. Remains 2918 /2965 variables (removed 47) and now considering 2920/3007 (removed 87) transitions.
// Phase 1: matrix 2920 rows 2918 cols
[2025-06-07 11:20:25] [INFO ] Invariants computation overflowed in 34 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:20:26] [INFO ] Implicit Places using invariants in 1240 ms returned []
// Phase 1: matrix 2920 rows 2918 cols
[2025-06-07 11:20:26] [INFO ] Invariants computation overflowed in 26 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:20:30] [INFO ] Implicit Places using invariants and state equation in 3382 ms returned []
Implicit Place search using SMT with State Equation took 4625 ms to find 0 implicit places.
Running 2919 sub problems to find dead transitions.
// Phase 1: matrix 2920 rows 2918 cols
[2025-06-07 11:20:30] [INFO ] Invariants computation overflowed in 32 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2917/5838 variables, and 0 constraints, problems are : Problem set: 0 solved, 2919 unsolved in 30046 ms.
Refiners :[State Equation: 0/2918 constraints, PredecessorRefiner: 2919/2919 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2919 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2917/5838 variables, and 0 constraints, problems are : Problem set: 0 solved, 2919 unsolved in 30049 ms.
Refiners :[State Equation: 0/2918 constraints, PredecessorRefiner: 0/2919 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60919ms problems are : Problem set: 0 solved, 2919 unsolved
Search for dead transitions found 0 dead transitions in 60925ms
Starting structural reductions in LTL mode, iteration 1 : 2918/2965 places, 2920/3007 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 65842 ms. Remains : 2918/2965 places, 2920/3007 transitions.
Stuttering acceptance computed with spot in 224 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)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ViralEpidemic-PT-S03D1C1A06-LTLFireability-06
Stuttering criterion allowed to conclude after 320 steps with 0 reset in 10 ms.
FORMULA ViralEpidemic-PT-S03D1C1A06-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S03D1C1A06-LTLFireability-06 finished in 66113 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(G((p0&&X(p1))))&&(!p2 U (p3||G(!p2)))))))'
Support contains 8 out of 2965 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2965/2965 places, 3007/3007 transitions.
Discarding 43 places :
Symmetric choice reduction at 0 with 43 rule applications. Total rules 43 place count 2922 transition count 2926
Iterating global reduction 0 with 43 rules applied. Total rules applied 86 place count 2922 transition count 2926
Applied a total of 86 rules in 295 ms. Remains 2922 /2965 variables (removed 43) and now considering 2926/3007 (removed 81) transitions.
// Phase 1: matrix 2926 rows 2922 cols
[2025-06-07 11:21:31] [INFO ] Invariants computation overflowed in 30 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:21:32] [INFO ] Implicit Places using invariants in 1134 ms returned []
// Phase 1: matrix 2926 rows 2922 cols
[2025-06-07 11:21:32] [INFO ] Invariants computation overflowed in 29 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:21:35] [INFO ] Implicit Places using invariants and state equation in 3073 ms returned []
Implicit Place search using SMT with State Equation took 4212 ms to find 0 implicit places.
Running 2925 sub problems to find dead transitions.
// Phase 1: matrix 2926 rows 2922 cols
[2025-06-07 11:21:35] [INFO ] Invariants computation overflowed in 33 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 2921/5848 variables, and 0 constraints, problems are : Problem set: 0 solved, 2925 unsolved in 30040 ms.
Refiners :[State Equation: 0/2922 constraints, PredecessorRefiner: 2925/2925 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2925 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 1)
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(s1210 timeout
1 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2921/5848 variables, and 0 constraints, problems are : Problem set: 0 solved, 2925 unsolved in 30050 ms.
Refiners :[State Equation: 0/2922 constraints, PredecessorRefiner: 0/2925 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60858ms problems are : Problem set: 0 solved, 2925 unsolved
Search for dead transitions found 0 dead transitions in 60864ms
Starting structural reductions in LTL mode, iteration 1 : 2922/2965 places, 2926/3007 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 65380 ms. Remains : 2922/2965 places, 2926/3007 transitions.
Stuttering acceptance computed with spot in 281 ms :[(OR (NOT p0) (NOT p1) (AND p2 (NOT p3))), (OR (NOT p0) (NOT p1) (AND p2 (NOT p3))), (OR (NOT p1) (NOT p0) (AND p2 (NOT p3))), true, (OR (NOT p0) (NOT p1)), (AND (NOT p3) p2), (AND p0 (NOT p1))]
Running random walk in product with property : ViralEpidemic-PT-S03D1C1A06-LTLFireability-07
Product exploration explored 100000 steps with 16685 reset in 1995 ms.
Product exploration explored 100000 steps with 16686 reset in 2429 ms.
Computed a total of 2922 stabilizing places and 2926 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2922 transition count 2926
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 p3 (NOT p2) p0 p1), (X (X (NOT p2))), (X (X p3)), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X (OR p3 (NOT p2)))), (X (X (NOT (AND (NOT p3) p2)))), (F (G p3)), (F (G (NOT p2))), (F (G p0)), (F (G p1))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 80 ms. Reduced automaton from 7 states, 12 edges and 4 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 221 ms :[true, (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Reduction of identical properties reduced properties to check from 4 to 3
RANDOM walk for 18521 steps (137 resets) in 476 ms. (38 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND p3 (NOT p2) p0 p1), (X (X (NOT p2))), (X (X p3)), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X (OR p3 (NOT p2)))), (X (X (NOT (AND (NOT p3) p2)))), (F (G p3)), (F (G (NOT p2))), (F (G p0)), (F (G p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (AND p1 p0))), (F (NOT p0)), (F (NOT (AND p1 p0)))]
Knowledge based reduction with 10 factoid took 198 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 187 ms :[true, (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 208 ms :[true, (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Support contains 4 out of 2922 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 2922/2922 places, 2926/2926 transitions.
Applied a total of 0 rules in 135 ms. Remains 2922 /2922 variables (removed 0) and now considering 2926/2926 (removed 0) transitions.
// Phase 1: matrix 2926 rows 2922 cols
[2025-06-07 11:22:43] [INFO ] Invariants computation overflowed in 33 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:22:44] [INFO ] Implicit Places using invariants in 1079 ms returned []
// Phase 1: matrix 2926 rows 2922 cols
[2025-06-07 11:22:44] [INFO ] Invariants computation overflowed in 27 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:22:47] [INFO ] Implicit Places using invariants and state equation in 3070 ms returned []
Implicit Place search using SMT with State Equation took 4154 ms to find 0 implicit places.
Running 2925 sub problems to find dead transitions.
// Phase 1: matrix 2926 rows 2922 cols
[2025-06-07 11:22:48] [INFO ] Invariants computation overflowed in 27 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s2183 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2921/5848 variables, and 0 constraints, problems are : Problem set: 0 solved, 2925 unsolved in 30047 ms.
Refiners :[State Equation: 0/2922 constraints, PredecessorRefiner: 2925/2925 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2925 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2921/5848 variables, and 0 constraints, problems are : Problem set: 0 solved, 2925 unsolved in 30041 ms.
Refiners :[State Equation: 0/2922 constraints, PredecessorRefiner: 0/2925 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60795ms problems are : Problem set: 0 solved, 2925 unsolved
Search for dead transitions found 0 dead transitions in 60801ms
Finished structural reductions in LTL mode , in 1 iterations and 65103 ms. Remains : 2922/2922 places, 2926/2926 transitions.
Computed a total of 2922 stabilizing places and 2926 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2922 transition count 2926
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 p1), (F (G p0)), (F (G p1))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 81 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 198 ms :[true, (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Reduction of identical properties reduced properties to check from 4 to 3
RANDOM walk for 38580 steps (280 resets) in 886 ms. (43 steps per ms) remains 0/3 properties
Knowledge obtained : [(AND p0 p1), (F (G p0)), (F (G p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (AND p0 p1))), (F (NOT p0)), (F (NOT (AND p0 p1)))]
Knowledge based reduction with 3 factoid took 197 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 248 ms :[true, (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 221 ms :[true, (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 192 ms :[true, (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Entered a terminal (fully accepting) state of product in 3756 steps with 32 reset in 78 ms.
FORMULA ViralEpidemic-PT-S03D1C1A06-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S03D1C1A06-LTLFireability-07 finished in 139951 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(p0))'
Support contains 2 out of 2965 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2965/2965 places, 3007/3007 transitions.
Graph (complete) has 1840 edges and 2965 vertex of which 19 are kept as prefixes of interest. Removing 2946 places using SCC suffix rule.8 ms
Discarding 2946 places :
Also discarding 2974 output transitions
Drop transitions (Output transitions of discarded places.) removed 2974 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 18 transition count 29
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 6 place count 16 transition count 24
Iterating global reduction 1 with 2 rules applied. Total rules applied 8 place count 16 transition count 24
Applied a total of 8 rules in 16 ms. Remains 16 /2965 variables (removed 2949) and now considering 24/3007 (removed 2983) transitions.
// Phase 1: matrix 24 rows 16 cols
[2025-06-07 11:23:51] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:23:51] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-06-07 11:23:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:23:51] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 11:23:51] [INFO ] Redundant transitions in 12 ms returned [8]
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 15 sub problems to find dead transitions.
// Phase 1: matrix 23 rows 16 cols
[2025-06-07 11:23:51] [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) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 20/33 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/33 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 2/35 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/35 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (OVERLAPS) 2/37 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/37 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (OVERLAPS) 2/39 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (OVERLAPS) 0/39 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 16 constraints, problems are : Problem set: 0 solved, 15 unsolved in 243 ms.
Refiners :[State Equation: 16/16 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 20/33 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/33 variables, 15/28 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/33 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (OVERLAPS) 2/35 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/35 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (OVERLAPS) 2/37 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/37 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (OVERLAPS) 2/39 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/39 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (OVERLAPS) 0/39 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 31 constraints, problems are : Problem set: 0 solved, 15 unsolved in 236 ms.
Refiners :[State Equation: 16/16 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 482ms problems are : Problem set: 0 solved, 15 unsolved
Search for dead transitions found 0 dead transitions in 482ms
Starting structural reductions in SI_LTL mode, iteration 1 : 16/2965 places, 23/3007 transitions.
Graph (complete) has 7 edges and 16 vertex of which 15 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 15 /16 variables (removed 1) and now considering 22/23 (removed 1) transitions.
// Phase 1: matrix 22 rows 15 cols
[2025-06-07 11:23:51] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:23:51] [INFO ] Implicit Places using invariants in 16 ms returned []
[2025-06-07 11:23:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:23:51] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 15/2965 places, 22/3007 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 614 ms. Remains : 15/2965 places, 22/3007 transitions.
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S03D1C1A06-LTLFireability-08
Stuttering criterion allowed to conclude after 11 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S03D1C1A06-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S03D1C1A06-LTLFireability-08 finished in 668 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)&&F(G(p1)))))'
Support contains 5 out of 2965 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2965/2965 places, 3007/3007 transitions.
Graph (complete) has 1840 edges and 2965 vertex of which 59 are kept as prefixes of interest. Removing 2906 places using SCC suffix rule.9 ms
Discarding 2906 places :
Also discarding 2918 output transitions
Drop transitions (Output transitions of discarded places.) removed 2918 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 58 transition count 85
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 11 place count 51 transition count 71
Iterating global reduction 1 with 7 rules applied. Total rules applied 18 place count 51 transition count 71
Applied a total of 18 rules in 18 ms. Remains 51 /2965 variables (removed 2914) and now considering 71/3007 (removed 2936) transitions.
// Phase 1: matrix 71 rows 51 cols
[2025-06-07 11:23:52] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:23:52] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-07 11:23:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:23:52] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 11:23:52] [INFO ] Redundant transitions in 17 ms returned [8, 51, 58]
Found 3 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 3 transitions
Redundant transitions reduction (with SMT) removed 3 transitions.
Running 55 sub problems to find dead transitions.
// Phase 1: matrix 68 rows 51 cols
[2025-06-07 11:23:52] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (OVERLAPS) 64/111 variables, 47/47 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (OVERLAPS) 4/115 variables, 2/49 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/115 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 2/117 variables, 1/50 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/117 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (OVERLAPS) 2/119 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/119 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 9 (OVERLAPS) 0/119 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 119/119 variables, and 51 constraints, problems are : Problem set: 0 solved, 55 unsolved in 1499 ms.
Refiners :[State Equation: 51/51 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 55 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (OVERLAPS) 64/111 variables, 47/47 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 55/102 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/111 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (OVERLAPS) 4/115 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/115 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 6 (OVERLAPS) 2/117 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/117 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 8 (OVERLAPS) 2/119 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/119 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 10 (OVERLAPS) 0/119 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 119/119 variables, and 106 constraints, problems are : Problem set: 0 solved, 55 unsolved in 2363 ms.
Refiners :[State Equation: 51/51 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3867ms problems are : Problem set: 0 solved, 55 unsolved
Search for dead transitions found 0 dead transitions in 3868ms
Starting structural reductions in SI_LTL mode, iteration 1 : 51/2965 places, 68/3007 transitions.
Graph (complete) has 29 edges and 51 vertex of which 48 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Applied a total of 1 rules in 2 ms. Remains 48 /51 variables (removed 3) and now considering 65/68 (removed 3) transitions.
// Phase 1: matrix 65 rows 48 cols
[2025-06-07 11:23:56] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:23:56] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-06-07 11:23:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:23:56] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 48/2965 places, 65/3007 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 4044 ms. Remains : 48/2965 places, 65/3007 transitions.
Stuttering acceptance computed with spot in 121 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S03D1C1A06-LTLFireability-09
Stuttering criterion allowed to conclude after 33 steps with 0 reset in 1 ms.
FORMULA ViralEpidemic-PT-S03D1C1A06-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S03D1C1A06-LTLFireability-09 finished in 4183 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(X(p0)) U p0) U ((F(p0) U p2)&&p1)))'
Support contains 6 out of 2965 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2965/2965 places, 3007/3007 transitions.
Graph (complete) has 1840 edges and 2965 vertex of which 50 are kept as prefixes of interest. Removing 2915 places using SCC suffix rule.6 ms
Discarding 2915 places :
Also discarding 2927 output transitions
Drop transitions (Output transitions of discarded places.) removed 2927 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 49 transition count 76
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 9 place count 44 transition count 64
Iterating global reduction 1 with 5 rules applied. Total rules applied 14 place count 44 transition count 64
Applied a total of 14 rules in 15 ms. Remains 44 /2965 variables (removed 2921) and now considering 64/3007 (removed 2943) transitions.
// Phase 1: matrix 64 rows 44 cols
[2025-06-07 11:23:56] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:23:56] [INFO ] Implicit Places using invariants in 35 ms returned []
[2025-06-07 11:23:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:23:56] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 11:23:56] [INFO ] Redundant transitions in 18 ms returned [5, 15, 50]
Found 3 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 3 transitions
Redundant transitions reduction (with SMT) removed 3 transitions.
Running 49 sub problems to find dead transitions.
// Phase 1: matrix 61 rows 44 cols
[2025-06-07 11:23:56] [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) 0/40 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 1 (OVERLAPS) 57/97 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/97 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 3 (OVERLAPS) 4/101 variables, 2/42 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/101 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 5 (OVERLAPS) 2/103 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/103 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 7 (OVERLAPS) 2/105 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/105 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 9 (OVERLAPS) 0/105 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 49 unsolved
No progress, stopping.
After SMT solving in domain Real declared 105/105 variables, and 44 constraints, problems are : Problem set: 0 solved, 49 unsolved in 1229 ms.
Refiners :[State Equation: 44/44 constraints, PredecessorRefiner: 49/49 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 49 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 1 (OVERLAPS) 57/97 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/97 variables, 49/89 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/97 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 4 (OVERLAPS) 4/101 variables, 2/91 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/101 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 6 (OVERLAPS) 2/103 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/103 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 8 (OVERLAPS) 2/105 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/105 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 49 unsolved
At refinement iteration 10 (OVERLAPS) 0/105 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 49 unsolved
No progress, stopping.
After SMT solving in domain Int declared 105/105 variables, and 93 constraints, problems are : Problem set: 0 solved, 49 unsolved in 1145 ms.
Refiners :[State Equation: 44/44 constraints, PredecessorRefiner: 49/49 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2378ms problems are : Problem set: 0 solved, 49 unsolved
Search for dead transitions found 0 dead transitions in 2378ms
Starting structural reductions in SI_LTL mode, iteration 1 : 44/2965 places, 61/3007 transitions.
Graph (complete) has 24 edges and 44 vertex of which 41 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Applied a total of 1 rules in 2 ms. Remains 41 /44 variables (removed 3) and now considering 58/61 (removed 3) transitions.
// Phase 1: matrix 58 rows 41 cols
[2025-06-07 11:23:58] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:23:58] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-06-07 11:23:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:23:58] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 41/2965 places, 58/3007 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2580 ms. Remains : 41/2965 places, 58/3007 transitions.
Stuttering acceptance computed with spot in 205 ms :[(OR (NOT p1) (NOT p2)), true, (NOT p0), (NOT p2), p0]
Running random walk in product with property : ViralEpidemic-PT-S03D1C1A06-LTLFireability-10
Stuttering criterion allowed to conclude after 18 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S03D1C1A06-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S03D1C1A06-LTLFireability-10 finished in 2817 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&&(G(F(p1))||F(G(p0))||G(p2)))))'
Support contains 4 out of 2965 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2965/2965 places, 3007/3007 transitions.
Discarding 46 places :
Symmetric choice reduction at 0 with 46 rule applications. Total rules 46 place count 2919 transition count 2920
Iterating global reduction 0 with 46 rules applied. Total rules applied 92 place count 2919 transition count 2920
Applied a total of 92 rules in 286 ms. Remains 2919 /2965 variables (removed 46) and now considering 2920/3007 (removed 87) transitions.
// Phase 1: matrix 2920 rows 2919 cols
[2025-06-07 11:23:59] [INFO ] Invariants computation overflowed in 34 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:24:00] [INFO ] Implicit Places using invariants in 1178 ms returned []
// Phase 1: matrix 2920 rows 2919 cols
[2025-06-07 11:24:00] [INFO ] Invariants computation overflowed in 26 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:24:03] [INFO ] Implicit Places using invariants and state equation in 3096 ms returned []
Implicit Place search using SMT with State Equation took 4277 ms to find 0 implicit places.
Running 2919 sub problems to find dead transitions.
// Phase 1: matrix 2920 rows 2919 cols
[2025-06-07 11:24:03] [INFO ] Invariants computation overflowed in 30 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s2 1.0)
(s3 1.0)
(s4 1.0)
(s5 1.0)
(s6 1.0)
(s7 1.0)
(s8 1.0)
(s9 1.0)
(s10 1.0)
(s11 1.0)
(s12 1.0)
(s13 1.0)
(s14 1.0)
(s15 1.0)
(s16 1.0)
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(s2000 1.0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2918/5839 variables, and 0 constraints, problems are : Problem set: 0 solved, 2919 unsolved in 30053 ms.
Refiners :[State Equation: 0/2919 constraints, PredecessorRefiner: 2919/2919 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2919 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 1)
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(s468 1)
(s469 1)
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(s474 1)
(s475 1)
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(s479 1)
(s480 1)
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(s482 1)
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(s484 1)
(s485 1)
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(s490 1)
(s491 1)
(s492 1)
(s493 1)
(s494 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2918/5839 variables, and 0 constraints, problems are : Problem set: 0 solved, 2919 unsolved in 30042 ms.
Refiners :[State Equation: 0/2919 constraints, PredecessorRefiner: 0/2919 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60890ms problems are : Problem set: 0 solved, 2919 unsolved
Search for dead transitions found 0 dead transitions in 60895ms
Starting structural reductions in LTL mode, iteration 1 : 2919/2965 places, 2920/3007 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 65468 ms. Remains : 2919/2965 places, 2920/3007 transitions.
Stuttering acceptance computed with spot in 238 ms :[(NOT p0), (NOT p0), true, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ViralEpidemic-PT-S03D1C1A06-LTLFireability-12
Product exploration explored 100000 steps with 828 reset in 1947 ms.
Product exploration explored 100000 steps with 830 reset in 2473 ms.
Computed a total of 2919 stabilizing places and 2920 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2919 transition count 2920
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 p2 (NOT p1)), (X p2), (X (AND p0 p2)), (X (NOT (AND p0 (NOT p2)))), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X p2)), (X (X p0)), (X (X (NOT p1))), (F (G p0)), (F (G p2)), (F (G (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 13 factoid took 16 ms. Reduced automaton from 6 states, 12 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S03D1C1A06-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S03D1C1A06-LTLFireability-12 finished in 71138 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(((p1||(p2 U p3))&&p0))))'
Support contains 8 out of 2965 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2965/2965 places, 3007/3007 transitions.
Graph (complete) has 1840 edges and 2965 vertex of which 71 are kept as prefixes of interest. Removing 2894 places using SCC suffix rule.5 ms
Discarding 2894 places :
Also discarding 2894 output transitions
Drop transitions (Output transitions of discarded places.) removed 2894 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 70 transition count 106
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 14 place count 63 transition count 90
Iterating global reduction 1 with 7 rules applied. Total rules applied 21 place count 63 transition count 90
Applied a total of 21 rules in 12 ms. Remains 63 /2965 variables (removed 2902) and now considering 90/3007 (removed 2917) transitions.
// Phase 1: matrix 90 rows 63 cols
[2025-06-07 11:25:10] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:25:10] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-06-07 11:25:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:25:10] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 11:25:10] [INFO ] Redundant transitions in 16 ms returned [5, 38, 42, 59]
Found 4 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 4 transitions
Redundant transitions reduction (with SMT) removed 4 transitions.
Running 70 sub problems to find dead transitions.
// Phase 1: matrix 86 rows 63 cols
[2025-06-07 11:25:10] [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) 0/59 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 1 (OVERLAPS) 83/142 variables, 59/59 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/142 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 3 (OVERLAPS) 6/148 variables, 3/62 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 5 (OVERLAPS) 1/149 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/149 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 7 (OVERLAPS) 0/149 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 70 unsolved
No progress, stopping.
After SMT solving in domain Real declared 149/149 variables, and 63 constraints, problems are : Problem set: 0 solved, 70 unsolved in 1852 ms.
Refiners :[State Equation: 63/63 constraints, PredecessorRefiner: 70/70 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 70 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 1 (OVERLAPS) 83/142 variables, 59/59 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/142 variables, 70/129 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/142 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 4 (OVERLAPS) 6/148 variables, 3/132 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/148 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 6 (OVERLAPS) 1/149 variables, 1/133 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/149 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 70 unsolved
At refinement iteration 8 (OVERLAPS) 0/149 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 70 unsolved
No progress, stopping.
After SMT solving in domain Int declared 149/149 variables, and 133 constraints, problems are : Problem set: 0 solved, 70 unsolved in 1695 ms.
Refiners :[State Equation: 63/63 constraints, PredecessorRefiner: 70/70 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3558ms problems are : Problem set: 0 solved, 70 unsolved
Search for dead transitions found 0 dead transitions in 3558ms
Starting structural reductions in SI_LTL mode, iteration 1 : 63/2965 places, 86/3007 transitions.
Graph (complete) has 35 edges and 63 vertex of which 59 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Applied a total of 1 rules in 2 ms. Remains 59 /63 variables (removed 4) and now considering 82/86 (removed 4) transitions.
// Phase 1: matrix 82 rows 59 cols
[2025-06-07 11:25:13] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:25:13] [INFO ] Implicit Places using invariants in 25 ms returned []
[2025-06-07 11:25:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:25:13] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 59/2965 places, 82/3007 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 3750 ms. Remains : 59/2965 places, 82/3007 transitions.
Stuttering acceptance computed with spot in 84 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3)))]
Running random walk in product with property : ViralEpidemic-PT-S03D1C1A06-LTLFireability-13
Stuttering criterion allowed to conclude after 26 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S03D1C1A06-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S03D1C1A06-LTLFireability-13 finished in 3850 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((p0||G((F(p2)&&F(p3)&&p1)))))'
Support contains 6 out of 2965 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2965/2965 places, 3007/3007 transitions.
Graph (complete) has 1840 edges and 2965 vertex of which 56 are kept as prefixes of interest. Removing 2909 places using SCC suffix rule.7 ms
Discarding 2909 places :
Also discarding 2923 output transitions
Drop transitions (Output transitions of discarded places.) removed 2923 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 55 transition count 82
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 9 place count 48 transition count 67
Iterating global reduction 1 with 7 rules applied. Total rules applied 16 place count 48 transition count 67
Applied a total of 16 rules in 15 ms. Remains 48 /2965 variables (removed 2917) and now considering 67/3007 (removed 2940) transitions.
// Phase 1: matrix 67 rows 48 cols
[2025-06-07 11:25:14] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:25:14] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-06-07 11:25:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:25:14] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 11:25:14] [INFO ] Redundant transitions in 12 ms returned [2, 18, 58]
Found 3 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 3 transitions
Redundant transitions reduction (with SMT) removed 3 transitions.
Running 56 sub problems to find dead transitions.
// Phase 1: matrix 64 rows 48 cols
[2025-06-07 11:25:14] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 1 (OVERLAPS) 61/106 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 3 (OVERLAPS) 2/108 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 5 (OVERLAPS) 2/110 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/110 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 7 (OVERLAPS) 0/110 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 56 unsolved
No progress, stopping.
After SMT solving in domain Real declared 110/112 variables, and 47 constraints, problems are : Problem set: 0 solved, 56 unsolved in 1221 ms.
Refiners :[State Equation: 47/48 constraints, PredecessorRefiner: 56/56 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 56 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 1 (OVERLAPS) 61/106 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/106 variables, 56/101 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/106 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 4 (OVERLAPS) 2/108 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 6 (OVERLAPS) 2/110 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/110 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 56 unsolved
At refinement iteration 8 (OVERLAPS) 0/110 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 56 unsolved
No progress, stopping.
After SMT solving in domain Int declared 110/112 variables, and 103 constraints, problems are : Problem set: 0 solved, 56 unsolved in 1082 ms.
Refiners :[State Equation: 47/48 constraints, PredecessorRefiner: 56/56 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2306ms problems are : Problem set: 0 solved, 56 unsolved
Search for dead transitions found 0 dead transitions in 2306ms
Starting structural reductions in SI_LTL mode, iteration 1 : 48/2965 places, 64/3007 transitions.
Graph (complete) has 28 edges and 48 vertex of which 45 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Applied a total of 1 rules in 1 ms. Remains 45 /48 variables (removed 3) and now considering 61/64 (removed 3) transitions.
// Phase 1: matrix 61 rows 45 cols
[2025-06-07 11:25:16] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:25:16] [INFO ] Implicit Places using invariants in 39 ms returned []
[2025-06-07 11:25:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:25:16] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 45/2965 places, 61/3007 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2500 ms. Remains : 45/2965 places, 61/3007 transitions.
Stuttering acceptance computed with spot in 97 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3))), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p3))]
Running random walk in product with property : ViralEpidemic-PT-S03D1C1A06-LTLFireability-14
Stuttering criterion allowed to conclude after 10 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S03D1C1A06-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S03D1C1A06-LTLFireability-14 finished in 2611 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(p0)||G((p1||G(p2)))))'
Support contains 4 out of 2965 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2965/2965 places, 3007/3007 transitions.
Graph (complete) has 1840 edges and 2965 vertex of which 41 are kept as prefixes of interest. Removing 2924 places using SCC suffix rule.6 ms
Discarding 2924 places :
Also discarding 2944 output transitions
Drop transitions (Output transitions of discarded places.) removed 2944 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 40 transition count 59
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 8 place count 36 transition count 51
Iterating global reduction 1 with 4 rules applied. Total rules applied 12 place count 36 transition count 51
Applied a total of 12 rules in 13 ms. Remains 36 /2965 variables (removed 2929) and now considering 51/3007 (removed 2956) transitions.
// Phase 1: matrix 51 rows 36 cols
[2025-06-07 11:25:16] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:25:16] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-07 11:25:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:25:16] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 11:25:16] [INFO ] Redundant transitions in 14 ms returned [8, 18]
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 38 sub problems to find dead transitions.
// Phase 1: matrix 49 rows 36 cols
[2025-06-07 11:25:16] [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) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (OVERLAPS) 45/77 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/77 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 4/81 variables, 2/34 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (OVERLAPS) 2/83 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/83 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 2/85 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/85 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 9 (OVERLAPS) 0/85 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 85/85 variables, and 36 constraints, problems are : Problem set: 0 solved, 38 unsolved in 772 ms.
Refiners :[State Equation: 36/36 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (OVERLAPS) 45/77 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/77 variables, 38/70 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/77 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 4/81 variables, 2/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (OVERLAPS) 2/83 variables, 1/73 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/83 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 2/85 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/85 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 10 (OVERLAPS) 0/85 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 85/85 variables, and 74 constraints, problems are : Problem set: 0 solved, 38 unsolved in 800 ms.
Refiners :[State Equation: 36/36 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1578ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 1578ms
Starting structural reductions in SI_LTL mode, iteration 1 : 36/2965 places, 49/3007 transitions.
Graph (complete) has 20 edges and 36 vertex of which 34 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 34 /36 variables (removed 2) and now considering 47/49 (removed 2) transitions.
// Phase 1: matrix 47 rows 34 cols
[2025-06-07 11:25:18] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:25:18] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-06-07 11:25:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 11:25:18] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 34/2965 places, 47/3007 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1742 ms. Remains : 34/2965 places, 47/3007 transitions.
Stuttering acceptance computed with spot in 122 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S03D1C1A06-LTLFireability-15
Stuttering criterion allowed to conclude after 13 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S03D1C1A06-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S03D1C1A06-LTLFireability-15 finished in 1876 ms.
All properties solved by simple procedures.
Total runtime 568141 ms.
BK_STOP 1749295518890
--------------------
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-S03D1C1A06"
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-S03D1C1A06, 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-174915590800956"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ViralEpidemic-PT-S03D1C1A06.tgz
mv ViralEpidemic-PT-S03D1C1A06 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 ;