About the Execution of ITS-Tools for CloudDeployment-PT-6a
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 884542.00 | 0.00 | 0.00 | FFFFTFFFTTFTTFFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r044-tall-174854027700067.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 CloudDeployment-PT-6a, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854027700067
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 704K
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 66K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 45K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 317K May 29 14:32 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 CloudDeployment-PT-6a-LTLCardinality-00
FORMULA_NAME CloudDeployment-PT-6a-LTLCardinality-01
FORMULA_NAME CloudDeployment-PT-6a-LTLCardinality-02
FORMULA_NAME CloudDeployment-PT-6a-LTLCardinality-03
FORMULA_NAME CloudDeployment-PT-6a-LTLCardinality-04
FORMULA_NAME CloudDeployment-PT-6a-LTLCardinality-05
FORMULA_NAME CloudDeployment-PT-6a-LTLCardinality-06
FORMULA_NAME CloudDeployment-PT-6a-LTLCardinality-07
FORMULA_NAME CloudDeployment-PT-6a-LTLCardinality-08
FORMULA_NAME CloudDeployment-PT-6a-LTLCardinality-09
FORMULA_NAME CloudDeployment-PT-6a-LTLCardinality-10
FORMULA_NAME CloudDeployment-PT-6a-LTLCardinality-11
FORMULA_NAME CloudDeployment-PT-6a-LTLCardinality-12
FORMULA_NAME CloudDeployment-PT-6a-LTLCardinality-13
FORMULA_NAME CloudDeployment-PT-6a-LTLCardinality-14
FORMULA_NAME CloudDeployment-PT-6a-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1748560168991
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudDeployment-PT-6a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-05-29 23:09:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-29 23:09:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-29 23:09:30] [INFO ] Load time of PNML (sax parser for PT used): 110 ms
[2025-05-29 23:09:30] [INFO ] Transformed 221 places.
[2025-05-29 23:09:30] [INFO ] Transformed 908 transitions.
[2025-05-29 23:09:30] [INFO ] Found NUPN structural information;
[2025-05-29 23:09:30] [INFO ] Parsed PT model containing 221 places and 908 transitions and 5517 arcs in 207 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Ensure Unique test removed 114 transitions
Reduce redundant transitions removed 114 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA CloudDeployment-PT-6a-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-6a-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-6a-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-6a-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-6a-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-6a-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-6a-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 32 out of 221 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 221/221 places, 794/794 transitions.
Ensure Unique test removed 11 places
Iterating post reduction 0 with 11 rules applied. Total rules applied 11 place count 210 transition count 794
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 13 place count 208 transition count 792
Iterating global reduction 1 with 2 rules applied. Total rules applied 15 place count 208 transition count 792
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 17 place count 206 transition count 790
Iterating global reduction 1 with 2 rules applied. Total rules applied 19 place count 206 transition count 790
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 20 place count 205 transition count 789
Iterating global reduction 1 with 1 rules applied. Total rules applied 21 place count 205 transition count 789
Drop transitions (Redundant composition of simpler transitions.) removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 1 with 75 rules applied. Total rules applied 96 place count 205 transition count 714
Applied a total of 96 rules in 77 ms. Remains 205 /221 variables (removed 16) and now considering 714/794 (removed 80) transitions.
[2025-05-29 23:09:30] [INFO ] Flow matrix only has 379 transitions (discarded 335 similar events)
// Phase 1: matrix 379 rows 205 cols
[2025-05-29 23:09:30] [INFO ] Computed 25 invariants in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:09:30] [INFO ] Implicit Places using invariants in 302 ms returned []
[2025-05-29 23:09:30] [INFO ] Flow matrix only has 379 transitions (discarded 335 similar events)
[2025-05-29 23:09:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:09:31] [INFO ] State equation strengthened by 177 read => feed constraints.
[2025-05-29 23:09:31] [INFO ] Implicit Places using invariants and state equation in 558 ms returned []
Implicit Place search using SMT with State Equation took 893 ms to find 0 implicit places.
Running 713 sub problems to find dead transitions.
[2025-05-29 23:09:31] [INFO ] Flow matrix only has 379 transitions (discarded 335 similar events)
[2025-05-29 23:09:31] [INFO ] Invariant cache hit.
[2025-05-29 23:09:31] [INFO ] State equation strengthened by 177 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/204 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/204 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 2 (OVERLAPS) 378/582 variables, 204/229 constraints. Problems are: Problem set: 0 solved, 713 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/582 variables, 176/405 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/582 variables, 0/405 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 5 (OVERLAPS) 1/583 variables, 1/406 constraints. Problems are: Problem set: 0 solved, 713 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 583/584 variables, and 406 constraints, problems are : Problem set: 0 solved, 713 unsolved in 30039 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 205/205 constraints, ReadFeed: 176/177 constraints, PredecessorRefiner: 713/712 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 713 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/204 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/204 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 2 (OVERLAPS) 378/582 variables, 204/229 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/582 variables, 176/405 constraints. Problems are: Problem set: 0 solved, 713 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/582 variables, 712/1117 constraints. Problems are: Problem set: 0 solved, 713 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 582/584 variables, and 1117 constraints, problems are : Problem set: 0 solved, 713 unsolved in 30021 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 204/205 constraints, ReadFeed: 176/177 constraints, PredecessorRefiner: 713/712 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61050ms problems are : Problem set: 0 solved, 713 unsolved
Search for dead transitions found 0 dead transitions in 61066ms
Starting structural reductions in LTL mode, iteration 1 : 205/221 places, 714/794 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 62076 ms. Remains : 205/221 places, 714/794 transitions.
Support contains 32 out of 205 places after structural reductions.
[2025-05-29 23:10:32] [INFO ] Flatten gal took : 119 ms
[2025-05-29 23:10:33] [INFO ] Flatten gal took : 105 ms
[2025-05-29 23:10:33] [INFO ] Input system was already deterministic with 714 transitions.
Support contains 28 out of 205 places (down from 32) after GAL structural reductions.
RANDOM walk for 40000 steps (445 resets) in 1217 ms. (32 steps per ms) remains 1/18 properties
BEST_FIRST walk for 40004 steps (49 resets) in 121 ms. (327 steps per ms) remains 1/1 properties
[2025-05-29 23:10:33] [INFO ] Flow matrix only has 379 transitions (discarded 335 similar events)
[2025-05-29 23:10:33] [INFO ] Invariant cache hit.
[2025-05-29 23:10:33] [INFO ] State equation strengthened by 177 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 26/27 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 177/204 variables, 24/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 378/582 variables, 204/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/582 variables, 176/405 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/582 variables, 0/405 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/583 variables, 1/406 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/583 variables, 0/406 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/584 variables, 1/407 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/584 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/584 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 584/584 variables, and 407 constraints, problems are : Problem set: 0 solved, 1 unsolved in 226 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 205/205 constraints, ReadFeed: 177/177 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 26/27 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 177/204 variables, 24/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 378/582 variables, 204/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/582 variables, 176/405 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/582 variables, 1/406 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/582 variables, 0/406 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/583 variables, 1/407 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/583 variables, 0/407 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/584 variables, 1/408 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/584 variables, 0/408 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/584 variables, 0/408 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 584/584 variables, and 408 constraints, problems are : Problem set: 0 solved, 1 unsolved in 366 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 205/205 constraints, ReadFeed: 177/177 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 607ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 102 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=102 )
Parikh walk visited 1 properties in 8 ms.
FORMULA CloudDeployment-PT-6a-LTLCardinality-14 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA CloudDeployment-PT-6a-LTLCardinality-06 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 103 stabilizing places and 510 stable transitions
Graph (complete) has 2000 edges and 205 vertex of which 203 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.11 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) U p1) U p2)))'
Support contains 4 out of 205 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 205/205 places, 714/714 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 204 transition count 714
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 3 place count 202 transition count 712
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 202 transition count 712
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 201 transition count 711
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 201 transition count 711
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 200 transition count 710
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 200 transition count 710
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 10 place count 199 transition count 709
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 199 transition count 709
Applied a total of 11 rules in 20 ms. Remains 199 /205 variables (removed 6) and now considering 709/714 (removed 5) transitions.
[2025-05-29 23:10:34] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
// Phase 1: matrix 374 rows 199 cols
[2025-05-29 23:10:34] [INFO ] Computed 24 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:10:34] [INFO ] Implicit Places using invariants in 91 ms returned []
[2025-05-29 23:10:34] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
[2025-05-29 23:10:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:10:34] [INFO ] State equation strengthened by 172 read => feed constraints.
[2025-05-29 23:10:35] [INFO ] Implicit Places using invariants and state equation in 506 ms returned []
Implicit Place search using SMT with State Equation took 598 ms to find 0 implicit places.
Running 708 sub problems to find dead transitions.
[2025-05-29 23:10:35] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
[2025-05-29 23:10:35] [INFO ] Invariant cache hit.
[2025-05-29 23:10:35] [INFO ] State equation strengthened by 172 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 2 (OVERLAPS) 373/571 variables, 198/222 constraints. Problems are: Problem set: 0 solved, 708 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/571 variables, 171/393 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/571 variables, 0/393 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 5 (OVERLAPS) 1/572 variables, 1/394 constraints. Problems are: Problem set: 0 solved, 708 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 572/573 variables, and 394 constraints, problems are : Problem set: 0 solved, 708 unsolved in 30027 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 199/199 constraints, ReadFeed: 171/172 constraints, PredecessorRefiner: 708/707 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 708 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 2 (OVERLAPS) 373/571 variables, 198/222 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/571 variables, 171/393 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/571 variables, 707/1100 constraints. Problems are: Problem set: 0 solved, 708 unsolved
(t365 1timeout
^^^^^^^^
(error "Invalid token: 1timeout")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 571/573 variables, and 1100 constraints, problems are : Problem set: 0 solved, 708 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 198/199 constraints, ReadFeed: 171/172 constraints, PredecessorRefiner: 708/707 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60855ms problems are : Problem set: 0 solved, 708 unsolved
Search for dead transitions found 0 dead transitions in 60861ms
Starting structural reductions in LTL mode, iteration 1 : 199/205 places, 709/714 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61483 ms. Remains : 199/205 places, 709/714 transitions.
Stuttering acceptance computed with spot in 278 ms :[(NOT p2), (NOT p2), (NOT p0), (NOT p1)]
Running random walk in product with property : CloudDeployment-PT-6a-LTLCardinality-00
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA CloudDeployment-PT-6a-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudDeployment-PT-6a-LTLCardinality-00 finished in 61825 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 X(G(p1))))'
Support contains 4 out of 205 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 205/205 places, 714/714 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 204 transition count 714
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 203 transition count 713
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 203 transition count 713
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 4 place count 202 transition count 712
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 202 transition count 712
Applied a total of 5 rules in 11 ms. Remains 202 /205 variables (removed 3) and now considering 712/714 (removed 2) transitions.
[2025-05-29 23:11:36] [INFO ] Flow matrix only has 377 transitions (discarded 335 similar events)
// Phase 1: matrix 377 rows 202 cols
[2025-05-29 23:11:36] [INFO ] Computed 24 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:11:36] [INFO ] Implicit Places using invariants in 128 ms returned []
[2025-05-29 23:11:36] [INFO ] Flow matrix only has 377 transitions (discarded 335 similar events)
[2025-05-29 23:11:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:11:36] [INFO ] State equation strengthened by 175 read => feed constraints.
[2025-05-29 23:11:37] [INFO ] Implicit Places using invariants and state equation in 508 ms returned []
Implicit Place search using SMT with State Equation took 642 ms to find 0 implicit places.
Running 711 sub problems to find dead transitions.
[2025-05-29 23:11:37] [INFO ] Flow matrix only has 377 transitions (discarded 335 similar events)
[2025-05-29 23:11:37] [INFO ] Invariant cache hit.
[2025-05-29 23:11:37] [INFO ] State equation strengthened by 175 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/201 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 711 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/201 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 711 unsolved
At refinement iteration 2 (OVERLAPS) 376/577 variables, 201/225 constraints. Problems are: Problem set: 0 solved, 711 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/577 variables, 174/399 constraints. Problems are: Problem set: 0 solved, 711 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/577 variables, 0/399 constraints. Problems are: Problem set: 0 solved, 711 unsolved
At refinement iteration 5 (OVERLAPS) 1/578 variables, 1/400 constraints. Problems are: Problem set: 0 solved, 711 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 578/579 variables, and 400 constraints, problems are : Problem set: 0 solved, 711 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 202/202 constraints, ReadFeed: 174/175 constraints, PredecessorRefiner: 711/710 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 711 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/201 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 711 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/201 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 711 unsolved
At refinement iteration 2 (OVERLAPS) 376/577 variables, 201/225 constraints. Problems are: Problem set: 0 solved, 711 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/577 variables, 174/399 constraints. Problems are: Problem set: 0 solved, 711 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/577 variables, 710/1109 constraints. Problems are: Problem set: 0 solved, 711 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 577/579 variables, and 1109 constraints, problems are : Problem set: 0 solved, 711 unsolved in 30023 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 201/202 constraints, ReadFeed: 174/175 constraints, PredecessorRefiner: 711/710 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60691ms problems are : Problem set: 0 solved, 711 unsolved
Search for dead transitions found 0 dead transitions in 60694ms
Starting structural reductions in LTL mode, iteration 1 : 202/205 places, 712/714 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61349 ms. Remains : 202/205 places, 712/714 transitions.
Stuttering acceptance computed with spot in 81 ms :[(NOT p1), (NOT p1), true]
Running random walk in product with property : CloudDeployment-PT-6a-LTLCardinality-03
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA CloudDeployment-PT-6a-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudDeployment-PT-6a-LTLCardinality-03 finished in 61451 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(X((p1 U (G(p1)||(p1&&(X(p2) U ((!p3&&X(p2))||X(G(p2)))))))))||p0)))'
Support contains 6 out of 205 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 205/205 places, 714/714 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 204 transition count 714
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 3 place count 202 transition count 712
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 202 transition count 712
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 201 transition count 711
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 201 transition count 711
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 200 transition count 710
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 200 transition count 710
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 10 place count 199 transition count 709
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 199 transition count 709
Applied a total of 11 rules in 23 ms. Remains 199 /205 variables (removed 6) and now considering 709/714 (removed 5) transitions.
[2025-05-29 23:12:37] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
// Phase 1: matrix 374 rows 199 cols
[2025-05-29 23:12:37] [INFO ] Computed 24 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:12:37] [INFO ] Implicit Places using invariants in 84 ms returned []
[2025-05-29 23:12:37] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
[2025-05-29 23:12:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:12:38] [INFO ] State equation strengthened by 172 read => feed constraints.
[2025-05-29 23:12:38] [INFO ] Implicit Places using invariants and state equation in 575 ms returned []
Implicit Place search using SMT with State Equation took 662 ms to find 0 implicit places.
Running 708 sub problems to find dead transitions.
[2025-05-29 23:12:38] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
[2025-05-29 23:12:38] [INFO ] Invariant cache hit.
[2025-05-29 23:12:38] [INFO ] State equation strengthened by 172 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 2 (OVERLAPS) 373/571 variables, 198/222 constraints. Problems are: Problem set: 0 solved, 708 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/571 variables, 171/393 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/571 variables, 0/393 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 5 (OVERLAPS) 1/572 variables, 1/394 constraints. Problems are: Problem set: 0 solved, 708 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 572/573 variables, and 394 constraints, problems are : Problem set: 0 solved, 708 unsolved in 30024 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 199/199 constraints, ReadFeed: 171/172 constraints, PredecessorRefiner: 708/707 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 708 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 2 (OVERLAPS) 373/571 variables, 198/222 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/571 variables, 171/393 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/571 variables, 707/1100 constraints. Problems are: Problem set: 0 solved, 708 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 571/573 variables, and 1100 constraints, problems are : Problem set: 0 solved, 708 unsolved in 30035 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 198/199 constraints, ReadFeed: 171/172 constraints, PredecessorRefiner: 708/707 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60688ms problems are : Problem set: 0 solved, 708 unsolved
Search for dead transitions found 0 dead transitions in 60691ms
Starting structural reductions in LTL mode, iteration 1 : 199/205 places, 709/714 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61381 ms. Remains : 199/205 places, 709/714 transitions.
Stuttering acceptance computed with spot in 284 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2)]
Running random walk in product with property : CloudDeployment-PT-6a-LTLCardinality-07
Product exploration explored 100000 steps with 0 reset in 156 ms.
Product exploration explored 100000 steps with 0 reset in 107 ms.
Computed a total of 97 stabilizing places and 505 stable transitions
Graph (complete) has 1967 edges and 199 vertex of which 198 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.6 ms
Computed a total of 97 stabilizing places and 505 stable transitions
Detected a total of 97/199 stabilizing places and 505/709 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND p0 p1 p3 p2), (X (X p1)), (X (X p3)), (X (X (AND p3 p1))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 129 ms. Reduced automaton from 8 states, 18 edges and 4 AP (stutter sensitive) to 8 states, 18 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 366 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2)]
RANDOM walk for 40000 steps (447 resets) in 439 ms. (90 steps per ms) remains 3/13 properties
BEST_FIRST walk for 40003 steps (52 resets) in 126 ms. (314 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (54 resets) in 118 ms. (336 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (50 resets) in 126 ms. (314 steps per ms) remains 3/3 properties
[2025-05-29 23:13:40] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
[2025-05-29 23:13:40] [INFO ] Invariant cache hit.
[2025-05-29 23:13:40] [INFO ] State equation strengthened by 172 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 143/147 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/147 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 51/198 variables, 18/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/198 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 373/571 variables, 198/222 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/571 variables, 171/393 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/571 variables, 0/393 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 1/572 variables, 1/394 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/572 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 1/573 variables, 1/395 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/573 variables, 0/395 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 0/573 variables, 0/395 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 573/573 variables, and 395 constraints, problems are : Problem set: 0 solved, 3 unsolved in 655 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 199/199 constraints, ReadFeed: 172/172 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 143/147 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/147 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 51/198 variables, 18/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/198 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 373/571 variables, 198/222 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/571 variables, 171/393 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/571 variables, 3/396 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/571 variables, 0/396 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 1/572 variables, 1/397 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/572 variables, 0/397 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 1/573 variables, 1/398 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/573 variables, 0/398 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/573 variables, 0/398 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 573/573 variables, and 398 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1131 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 199/199 constraints, ReadFeed: 172/172 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1797ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 2 properties in 80 ms.
Support contains 2 out of 199 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 199/199 places, 709/709 transitions.
Graph (trivial) has 239 edges and 199 vertex of which 59 / 199 are part of one of the 18 SCC in 2 ms
Free SCC test removed 41 places
Drop transitions (Empty/Sink Transition effects.) removed 130 transitions
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 166 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 6 place count 153 transition count 508
Iterating global reduction 0 with 5 rules applied. Total rules applied 11 place count 153 transition count 508
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: -66
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 0 with 36 rules applied. Total rules applied 47 place count 135 transition count 574
Drop transitions (Redundant composition of simpler transitions.) removed 108 transitions
Redundant transition composition rules discarded 108 transitions
Iterating global reduction 0 with 108 rules applied. Total rules applied 155 place count 135 transition count 466
Free-agglomeration rule (complex) applied 6 times.
Iterating global reduction 0 with 6 rules applied. Total rules applied 161 place count 135 transition count 523
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 167 place count 129 transition count 523
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 168 place count 129 transition count 523
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 169 place count 128 transition count 522
Applied a total of 169 rules in 103 ms. Remains 128 /199 variables (removed 71) and now considering 522/709 (removed 187) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 103 ms. Remains : 128/199 places, 522/709 transitions.
RANDOM walk for 40000 steps (601 resets) in 169 ms. (235 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (16 resets) in 81 ms. (487 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 915660 steps, run timeout after 3001 ms. (steps per millisecond=305 ) properties seen :0 out of 1
Probabilistic random walk after 915660 steps, saw 166742 distinct states, run finished after 3005 ms. (steps per millisecond=304 ) properties seen :0
[2025-05-29 23:13:45] [INFO ] Flow matrix only has 258 transitions (discarded 264 similar events)
// Phase 1: matrix 258 rows 128 cols
[2025-05-29 23:13:45] [INFO ] Computed 24 invariants in 5 ms
[2025-05-29 23:13:45] [INFO ] State equation strengthened by 8 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 75/77 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/77 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 51/128 variables, 18/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 258/386 variables, 128/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/386 variables, 8/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/386 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 386/386 variables, and 160 constraints, problems are : Problem set: 0 solved, 1 unsolved in 144 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 128/128 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 75/77 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/77 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 51/128 variables, 18/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 258/386 variables, 128/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/386 variables, 8/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/386 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/386 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 386/386 variables, and 161 constraints, problems are : Problem set: 0 solved, 1 unsolved in 218 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 128/128 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 377ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 23 ms.
Support contains 2 out of 128 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 128/128 places, 522/522 transitions.
Applied a total of 0 rules in 11 ms. Remains 128 /128 variables (removed 0) and now considering 522/522 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 128/128 places, 522/522 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 128/128 places, 522/522 transitions.
Applied a total of 0 rules in 10 ms. Remains 128 /128 variables (removed 0) and now considering 522/522 (removed 0) transitions.
[2025-05-29 23:13:46] [INFO ] Flow matrix only has 258 transitions (discarded 264 similar events)
[2025-05-29 23:13:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:13:46] [INFO ] Implicit Places using invariants in 91 ms returned []
[2025-05-29 23:13:46] [INFO ] Flow matrix only has 258 transitions (discarded 264 similar events)
[2025-05-29 23:13:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:13:46] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-29 23:13:46] [INFO ] Implicit Places using invariants and state equation in 322 ms returned []
Implicit Place search using SMT with State Equation took 415 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 23:13:46] [INFO ] Redundant transitions in 47 ms returned []
Running 486 sub problems to find dead transitions.
[2025-05-29 23:13:46] [INFO ] Flow matrix only has 258 transitions (discarded 264 similar events)
[2025-05-29 23:13:46] [INFO ] Invariant cache hit.
[2025-05-29 23:13:46] [INFO ] State equation strengthened by 8 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 2 (OVERLAPS) 6/128 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/128 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 4 (OVERLAPS) 258/386 variables, 128/152 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/386 variables, 8/160 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/386 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 486 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 386/386 variables, and 160 constraints, problems are : Problem set: 0 solved, 486 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 128/128 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 486/484 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 486 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 2 (OVERLAPS) 6/128 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/128 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 4 (OVERLAPS) 258/386 variables, 128/152 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/386 variables, 8/160 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/386 variables, 484/644 constraints. Problems are: Problem set: 0 solved, 486 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 386/386 variables, and 644 constraints, problems are : Problem set: 0 solved, 486 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 128/128 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 486/484 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60523ms problems are : Problem set: 0 solved, 486 unsolved
Search for dead transitions found 0 dead transitions in 60524ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61001 ms. Remains : 128/128 places, 522/522 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 105 edges and 128 vertex of which 42 / 128 are part of one of the 6 SCC in 0 ms
Free SCC test removed 36 places
Drop transitions (Empty/Sink Transition effects.) removed 48 transitions
Ensure Unique test removed 264 transitions
Reduce isomorphic transitions removed 312 transitions.
Ensure Unique test removed 11 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 22 transitions
Trivial Post-agglo rules discarded 22 transitions
Performed 22 trivial Post agglomeration. Transition count delta: 22
Iterating post reduction 0 with 33 rules applied. Total rules applied 34 place count 81 transition count 188
Reduce places removed 22 places and 0 transitions.
Iterating post reduction 1 with 22 rules applied. Total rules applied 56 place count 59 transition count 188
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 56 place count 59 transition count 178
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 76 place count 49 transition count 178
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 81 place count 44 transition count 173
Iterating global reduction 2 with 5 rules applied. Total rules applied 86 place count 44 transition count 173
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 91 place count 39 transition count 143
Iterating global reduction 2 with 5 rules applied. Total rules applied 96 place count 39 transition count 143
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 101 place count 39 transition count 138
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 103 place count 38 transition count 137
Drop transitions (Redundant composition of simpler transitions.) removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 3 with 11 rules applied. Total rules applied 114 place count 38 transition count 126
Free-agglomeration rule applied 6 times with reduction of 54 identical transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 120 place count 38 transition count 66
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 14 rules applied. Total rules applied 134 place count 32 transition count 58
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 135 place count 32 transition count 57
Applied a total of 135 rules in 23 ms. Remains 32 /128 variables (removed 96) and now considering 57/522 (removed 465) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 57 rows 32 cols
[2025-05-29 23:14:47] [INFO ] Computed 13 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 23:14:47] [INFO ] [Real]Absence check using 0 positive and 13 generalized place invariants in 47 ms returned sat
[2025-05-29 23:14:47] [INFO ] After 32ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-29 23:14:47] [INFO ] After 50ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2025-05-29 23:14:47] [INFO ] After 195ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 23:14:47] [INFO ] [Nat]Absence check using 0 positive and 13 generalized place invariants in 2 ms returned sat
[2025-05-29 23:14:47] [INFO ] After 17ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-29 23:14:47] [INFO ] After 22ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-29 23:14:47] [INFO ] After 48ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 278 ms.
Knowledge obtained : [(AND p0 p1 p3 p2), (X (X p1)), (X (X p3)), (X (X (AND p3 p1))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT (AND p1 p2))), (F (NOT (AND p3 p2))), (F (NOT (AND p1 p3 p2))), (F (NOT (AND p1 p3))), (F (NOT (OR (NOT p1) p2))), (F (NOT p0)), (F (NOT (OR p1 (NOT p3)))), (F (NOT p2)), (F (NOT p3)), (F (NOT p1)), (F (NOT (OR (NOT p1) (NOT p3) p2))), (F (NOT (OR (NOT p3) p2)))]
Knowledge based reduction with 5 factoid took 505 ms. Reduced automaton from 8 states, 18 edges and 4 AP (stutter sensitive) to 8 states, 18 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 290 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2)]
Stuttering acceptance computed with spot in 297 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2)]
Support contains 6 out of 199 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 199/199 places, 709/709 transitions.
Applied a total of 0 rules in 4 ms. Remains 199 /199 variables (removed 0) and now considering 709/709 (removed 0) transitions.
[2025-05-29 23:14:48] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
// Phase 1: matrix 374 rows 199 cols
[2025-05-29 23:14:48] [INFO ] Computed 24 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:14:48] [INFO ] Implicit Places using invariants in 106 ms returned []
[2025-05-29 23:14:48] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
[2025-05-29 23:14:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:14:48] [INFO ] State equation strengthened by 172 read => feed constraints.
[2025-05-29 23:14:49] [INFO ] Implicit Places using invariants and state equation in 496 ms returned []
Implicit Place search using SMT with State Equation took 606 ms to find 0 implicit places.
Running 708 sub problems to find dead transitions.
[2025-05-29 23:14:49] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
[2025-05-29 23:14:49] [INFO ] Invariant cache hit.
[2025-05-29 23:14:49] [INFO ] State equation strengthened by 172 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 2 (OVERLAPS) 373/571 variables, 198/222 constraints. Problems are: Problem set: 0 solved, 708 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/571 variables, 171/393 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/571 variables, 0/393 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 5 (OVERLAPS) 1/572 variables, 1/394 constraints. Problems are: Problem set: 0 solved, 708 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 572/573 variables, and 394 constraints, problems are : Problem set: 0 solved, 708 unsolved in 30024 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 199/199 constraints, ReadFeed: 171/172 constraints, PredecessorRefiner: 708/707 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 708 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 2 (OVERLAPS) 373/571 variables, 198/222 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/571 variables, 171/393 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/571 variables, 707/1100 constraints. Problems are: Problem set: 0 solved, 708 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 571/573 variables, and 1100 constraints, problems are : Problem set: 0 solved, 708 unsolved in 30024 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 198/199 constraints, ReadFeed: 171/172 constraints, PredecessorRefiner: 708/707 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60710ms problems are : Problem set: 0 solved, 708 unsolved
Search for dead transitions found 0 dead transitions in 60714ms
Finished structural reductions in LTL mode , in 1 iterations and 61328 ms. Remains : 199/199 places, 709/709 transitions.
Computed a total of 97 stabilizing places and 505 stable transitions
Graph (complete) has 1967 edges and 199 vertex of which 198 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 ms
Computed a total of 97 stabilizing places and 505 stable transitions
Detected a total of 97/199 stabilizing places and 505/709 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND p0 p1 p3 p2), (X (X p1)), (X (X p3)), (X (X (AND p1 p3))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 129 ms. Reduced automaton from 8 states, 18 edges and 4 AP (stutter sensitive) to 8 states, 18 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 308 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2)]
RANDOM walk for 40000 steps (451 resets) in 228 ms. (174 steps per ms) remains 3/13 properties
BEST_FIRST walk for 40003 steps (49 resets) in 88 ms. (449 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (54 resets) in 59 ms. (666 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (55 resets) in 79 ms. (500 steps per ms) remains 3/3 properties
[2025-05-29 23:15:50] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
[2025-05-29 23:15:50] [INFO ] Invariant cache hit.
[2025-05-29 23:15:50] [INFO ] State equation strengthened by 172 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 143/147 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/147 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 51/198 variables, 18/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/198 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 373/571 variables, 198/222 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/571 variables, 171/393 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/571 variables, 0/393 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 1/572 variables, 1/394 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/572 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 1/573 variables, 1/395 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/573 variables, 0/395 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 0/573 variables, 0/395 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 573/573 variables, and 395 constraints, problems are : Problem set: 0 solved, 3 unsolved in 620 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 199/199 constraints, ReadFeed: 172/172 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 143/147 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/147 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 51/198 variables, 18/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/198 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 373/571 variables, 198/222 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/571 variables, 171/393 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/571 variables, 3/396 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/571 variables, 0/396 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 1/572 variables, 1/397 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/572 variables, 0/397 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 1/573 variables, 1/398 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/573 variables, 0/398 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/573 variables, 0/398 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 573/573 variables, and 398 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1041 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 199/199 constraints, ReadFeed: 172/172 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1670ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 2 properties in 68 ms.
Support contains 2 out of 199 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 199/199 places, 709/709 transitions.
Graph (trivial) has 239 edges and 199 vertex of which 59 / 199 are part of one of the 18 SCC in 1 ms
Free SCC test removed 41 places
Drop transitions (Empty/Sink Transition effects.) removed 130 transitions
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 166 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 6 place count 153 transition count 508
Iterating global reduction 0 with 5 rules applied. Total rules applied 11 place count 153 transition count 508
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: -66
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 0 with 36 rules applied. Total rules applied 47 place count 135 transition count 574
Drop transitions (Redundant composition of simpler transitions.) removed 108 transitions
Redundant transition composition rules discarded 108 transitions
Iterating global reduction 0 with 108 rules applied. Total rules applied 155 place count 135 transition count 466
Free-agglomeration rule (complex) applied 6 times.
Iterating global reduction 0 with 6 rules applied. Total rules applied 161 place count 135 transition count 523
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 167 place count 129 transition count 523
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 168 place count 129 transition count 523
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 169 place count 128 transition count 522
Applied a total of 169 rules in 65 ms. Remains 128 /199 variables (removed 71) and now considering 522/709 (removed 187) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 128/199 places, 522/709 transitions.
RANDOM walk for 40000 steps (595 resets) in 173 ms. (229 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (9 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 957585 steps, run timeout after 3001 ms. (steps per millisecond=319 ) properties seen :0 out of 1
Probabilistic random walk after 957585 steps, saw 174038 distinct states, run finished after 3001 ms. (steps per millisecond=319 ) properties seen :0
[2025-05-29 23:15:55] [INFO ] Flow matrix only has 258 transitions (discarded 264 similar events)
// Phase 1: matrix 258 rows 128 cols
[2025-05-29 23:15:55] [INFO ] Computed 24 invariants in 6 ms
[2025-05-29 23:15:55] [INFO ] State equation strengthened by 8 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 75/77 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/77 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 51/128 variables, 18/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 258/386 variables, 128/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/386 variables, 8/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/386 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 386/386 variables, and 160 constraints, problems are : Problem set: 0 solved, 1 unsolved in 140 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 128/128 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 75/77 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/77 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 51/128 variables, 18/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 258/386 variables, 128/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/386 variables, 8/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/386 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/386 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/386 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 386/386 variables, and 161 constraints, problems are : Problem set: 0 solved, 1 unsolved in 211 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 128/128 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 369ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 16 ms.
Support contains 2 out of 128 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 128/128 places, 522/522 transitions.
Applied a total of 0 rules in 14 ms. Remains 128 /128 variables (removed 0) and now considering 522/522 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 128/128 places, 522/522 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 128/128 places, 522/522 transitions.
Applied a total of 0 rules in 10 ms. Remains 128 /128 variables (removed 0) and now considering 522/522 (removed 0) transitions.
[2025-05-29 23:15:55] [INFO ] Flow matrix only has 258 transitions (discarded 264 similar events)
[2025-05-29 23:15:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:15:55] [INFO ] Implicit Places using invariants in 116 ms returned []
[2025-05-29 23:15:55] [INFO ] Flow matrix only has 258 transitions (discarded 264 similar events)
[2025-05-29 23:15:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:15:55] [INFO ] State equation strengthened by 8 read => feed constraints.
[2025-05-29 23:15:56] [INFO ] Implicit Places using invariants and state equation in 336 ms returned []
Implicit Place search using SMT with State Equation took 454 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 23:15:56] [INFO ] Redundant transitions in 15 ms returned []
Running 486 sub problems to find dead transitions.
[2025-05-29 23:15:56] [INFO ] Flow matrix only has 258 transitions (discarded 264 similar events)
[2025-05-29 23:15:56] [INFO ] Invariant cache hit.
[2025-05-29 23:15:56] [INFO ] State equation strengthened by 8 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 2 (OVERLAPS) 6/128 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/128 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 4 (OVERLAPS) 258/386 variables, 128/152 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/386 variables, 8/160 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/386 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 486 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 386/386 variables, and 160 constraints, problems are : Problem set: 0 solved, 486 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 128/128 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 486/484 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 486 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 2 (OVERLAPS) 6/128 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/128 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 4 (OVERLAPS) 258/386 variables, 128/152 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/386 variables, 8/160 constraints. Problems are: Problem set: 0 solved, 486 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/386 variables, 484/644 constraints. Problems are: Problem set: 0 solved, 486 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 386/386 variables, and 644 constraints, problems are : Problem set: 0 solved, 486 unsolved in 30018 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 128/128 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 486/484 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60494ms problems are : Problem set: 0 solved, 486 unsolved
Search for dead transitions found 0 dead transitions in 60496ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60982 ms. Remains : 128/128 places, 522/522 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 105 edges and 128 vertex of which 42 / 128 are part of one of the 6 SCC in 0 ms
Free SCC test removed 36 places
Drop transitions (Empty/Sink Transition effects.) removed 48 transitions
Ensure Unique test removed 264 transitions
Reduce isomorphic transitions removed 312 transitions.
Ensure Unique test removed 11 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 22 transitions
Trivial Post-agglo rules discarded 22 transitions
Performed 22 trivial Post agglomeration. Transition count delta: 22
Iterating post reduction 0 with 33 rules applied. Total rules applied 34 place count 81 transition count 188
Reduce places removed 22 places and 0 transitions.
Iterating post reduction 1 with 22 rules applied. Total rules applied 56 place count 59 transition count 188
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 56 place count 59 transition count 178
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 76 place count 49 transition count 178
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 81 place count 44 transition count 173
Iterating global reduction 2 with 5 rules applied. Total rules applied 86 place count 44 transition count 173
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 91 place count 39 transition count 143
Iterating global reduction 2 with 5 rules applied. Total rules applied 96 place count 39 transition count 143
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 101 place count 39 transition count 138
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 103 place count 38 transition count 137
Drop transitions (Redundant composition of simpler transitions.) removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 3 with 11 rules applied. Total rules applied 114 place count 38 transition count 126
Free-agglomeration rule applied 6 times with reduction of 54 identical transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 120 place count 38 transition count 66
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 14 rules applied. Total rules applied 134 place count 32 transition count 58
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 135 place count 32 transition count 57
Applied a total of 135 rules in 13 ms. Remains 32 /128 variables (removed 96) and now considering 57/522 (removed 465) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 57 rows 32 cols
[2025-05-29 23:16:56] [INFO ] Computed 13 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 23:16:56] [INFO ] [Real]Absence check using 0 positive and 13 generalized place invariants in 2 ms returned sat
[2025-05-29 23:16:56] [INFO ] After 16ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-29 23:16:56] [INFO ] After 20ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2025-05-29 23:16:56] [INFO ] After 55ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 23:16:56] [INFO ] [Nat]Absence check using 0 positive and 13 generalized place invariants in 2 ms returned sat
[2025-05-29 23:16:56] [INFO ] After 13ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-29 23:16:56] [INFO ] After 17ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-29 23:16:56] [INFO ] After 48ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 121 ms.
Knowledge obtained : [(AND p0 p1 p3 p2), (X (X p1)), (X (X p3)), (X (X (AND p1 p3))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT (AND p1 p2))), (F (NOT (AND p3 p2))), (F (NOT (AND p1 p3 p2))), (F (NOT (AND p1 p3))), (F (NOT (OR (NOT p1) p2))), (F (NOT p0)), (F (NOT (OR p1 (NOT p3)))), (F (NOT p2)), (F (NOT p3)), (F (NOT p1)), (F (NOT (OR (NOT p1) (NOT p3) p2))), (F (NOT (OR (NOT p3) p2)))]
Knowledge based reduction with 5 factoid took 497 ms. Reduced automaton from 8 states, 18 edges and 4 AP (stutter sensitive) to 8 states, 18 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 301 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2)]
Stuttering acceptance computed with spot in 284 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2)]
Stuttering acceptance computed with spot in 288 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2)]
Product exploration explored 100000 steps with 0 reset in 84 ms.
Product exploration explored 100000 steps with 0 reset in 141 ms.
Applying partial POR strategy [false, false, false, true, false, false, true, false]
Stuttering acceptance computed with spot in 375 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p2)]
Support contains 6 out of 199 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 199/199 places, 709/709 transitions.
Graph (trivial) has 230 edges and 199 vertex of which 55 / 199 are part of one of the 17 SCC in 1 ms
Free SCC test removed 38 places
Ensure Unique test removed 105 transitions
Reduce isomorphic transitions removed 105 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 6 place count 156 transition count 564
Iterating global reduction 0 with 5 rules applied. Total rules applied 11 place count 156 transition count 564
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: -108
Deduced a syphon composed of 18 places in 1 ms
Iterating global reduction 0 with 18 rules applied. Total rules applied 29 place count 156 transition count 672
Deduced a syphon composed of 18 places in 1 ms
Drop transitions (Redundant composition of simpler transitions.) removed 126 transitions
Redundant transition composition rules discarded 126 transitions
Iterating global reduction 0 with 126 rules applied. Total rules applied 155 place count 156 transition count 546
Deduced a syphon composed of 18 places in 1 ms
Applied a total of 155 rules in 77 ms. Remains 156 /199 variables (removed 43) and now considering 546/709 (removed 163) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 23:16:59] [INFO ] Redundant transitions in 355 ms returned []
Running 545 sub problems to find dead transitions.
[2025-05-29 23:16:59] [INFO ] Flow matrix only has 234 transitions (discarded 312 similar events)
// Phase 1: matrix 234 rows 156 cols
[2025-05-29 23:16:59] [INFO ] Computed 24 invariants in 1 ms
[2025-05-29 23:16:59] [INFO ] State equation strengthened by 131 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 545 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 545 unsolved
Problem TDEAD3 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD55 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD75 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD79 is UNSAT
Problem TDEAD89 is UNSAT
Problem TDEAD91 is UNSAT
Problem TDEAD94 is UNSAT
Problem TDEAD95 is UNSAT
Problem TDEAD105 is UNSAT
At refinement iteration 2 (OVERLAPS) 233/388 variables, 155/179 constraints. Problems are: Problem set: 24 solved, 521 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/388 variables, 130/309 constraints. Problems are: Problem set: 24 solved, 521 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/388 variables, 0/309 constraints. Problems are: Problem set: 24 solved, 521 unsolved
At refinement iteration 5 (OVERLAPS) 1/389 variables, 1/310 constraints. Problems are: Problem set: 24 solved, 521 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/389 variables, 0/310 constraints. Problems are: Problem set: 24 solved, 521 unsolved
At refinement iteration 7 (OVERLAPS) 1/390 variables, 1/311 constraints. Problems are: Problem set: 24 solved, 521 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 390/390 variables, and 311 constraints, problems are : Problem set: 24 solved, 521 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 156/156 constraints, ReadFeed: 131/131 constraints, PredecessorRefiner: 545/545 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 24 solved, 521 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/137 variables, 18/18 constraints. Problems are: Problem set: 24 solved, 521 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/137 variables, 0/18 constraints. Problems are: Problem set: 24 solved, 521 unsolved
At refinement iteration 2 (OVERLAPS) 18/155 variables, 6/24 constraints. Problems are: Problem set: 24 solved, 521 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/155 variables, 0/24 constraints. Problems are: Problem set: 24 solved, 521 unsolved
At refinement iteration 4 (OVERLAPS) 233/388 variables, 155/179 constraints. Problems are: Problem set: 24 solved, 521 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/388 variables, 130/309 constraints. Problems are: Problem set: 24 solved, 521 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/388 variables, 521/830 constraints. Problems are: Problem set: 24 solved, 521 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/388 variables, 0/830 constraints. Problems are: Problem set: 24 solved, 521 unsolved
At refinement iteration 8 (OVERLAPS) 1/389 variables, 1/831 constraints. Problems are: Problem set: 24 solved, 521 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 389/390 variables, and 831 constraints, problems are : Problem set: 24 solved, 521 unsolved in 30023 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 156/156 constraints, ReadFeed: 130/131 constraints, PredecessorRefiner: 521/545 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60385ms problems are : Problem set: 24 solved, 521 unsolved
Search for dead transitions found 24 dead transitions in 60386ms
Found 24 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 24 transitions
Dead transitions reduction (with SMT) removed 24 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 156/199 places, 522/709 transitions.
Graph (complete) has 1652 edges and 156 vertex of which 138 are kept as prefixes of interest. Removing 18 places using SCC suffix rule.2 ms
Discarding 18 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 31 ms. Remains 138 /156 variables (removed 18) and now considering 522/522 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 138/199 places, 522/709 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 60858 ms. Remains : 138/199 places, 522/709 transitions.
Built C files in :
/tmp/ltsmin10110874476845812848
[2025-05-29 23:17:59] [INFO ] Built C files in 25ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10110874476845812848
Running compilation step : cd /tmp/ltsmin10110874476845812848;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1356 ms.
Running link step : cd /tmp/ltsmin10110874476845812848;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 45 ms.
Running LTSmin : cd /tmp/ltsmin10110874476845812848;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased8156259915247244498.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 6 out of 199 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 199/199 places, 709/709 transitions.
Applied a total of 0 rules in 10 ms. Remains 199 /199 variables (removed 0) and now considering 709/709 (removed 0) transitions.
[2025-05-29 23:18:15] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
// Phase 1: matrix 374 rows 199 cols
[2025-05-29 23:18:15] [INFO ] Computed 24 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:18:15] [INFO ] Implicit Places using invariants in 99 ms returned []
[2025-05-29 23:18:15] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
[2025-05-29 23:18:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:18:15] [INFO ] State equation strengthened by 172 read => feed constraints.
[2025-05-29 23:18:15] [INFO ] Implicit Places using invariants and state equation in 530 ms returned []
Implicit Place search using SMT with State Equation took 632 ms to find 0 implicit places.
Running 708 sub problems to find dead transitions.
[2025-05-29 23:18:15] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
[2025-05-29 23:18:15] [INFO ] Invariant cache hit.
[2025-05-29 23:18:15] [INFO ] State equation strengthened by 172 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 2 (OVERLAPS) 373/571 variables, 198/222 constraints. Problems are: Problem set: 0 solved, 708 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/571 variables, 171/393 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/571 variables, 0/393 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 5 (OVERLAPS) 1/572 variables, 1/394 constraints. Problems are: Problem set: 0 solved, 708 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 572/573 variables, and 394 constraints, problems are : Problem set: 0 solved, 708 unsolved in 30021 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 199/199 constraints, ReadFeed: 171/172 constraints, PredecessorRefiner: 708/707 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 708 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 2 (OVERLAPS) 373/571 variables, 198/222 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/571 variables, 171/393 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/571 variables, 707/1100 constraints. Problems are: Problem set: 0 solved, 708 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 571/573 variables, and 1100 constraints, problems are : Problem set: 0 solved, 708 unsolved in 30018 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 198/199 constraints, ReadFeed: 171/172 constraints, PredecessorRefiner: 708/707 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60754ms problems are : Problem set: 0 solved, 708 unsolved
Search for dead transitions found 0 dead transitions in 60760ms
Finished structural reductions in LTL mode , in 1 iterations and 61406 ms. Remains : 199/199 places, 709/709 transitions.
Built C files in :
/tmp/ltsmin6555005705869607865
[2025-05-29 23:19:16] [INFO ] Built C files in 23ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6555005705869607865
Running compilation step : cd /tmp/ltsmin6555005705869607865;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1243 ms.
Running link step : cd /tmp/ltsmin6555005705869607865;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 37 ms.
Running LTSmin : cd /tmp/ltsmin6555005705869607865;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased4012047857893788834.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2025-05-29 23:19:31] [INFO ] Flatten gal took : 38 ms
[2025-05-29 23:19:31] [INFO ] Flatten gal took : 34 ms
[2025-05-29 23:19:31] [INFO ] Time to serialize gal into /tmp/LTL15905701959945911538.gal : 6 ms
[2025-05-29 23:19:31] [INFO ] Time to serialize properties into /tmp/LTL10114857517786996552.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL15905701959945911538.gal' '-t' 'CGAL' '-hoa' '/tmp/aut17263933530566208432.hoa' '-atoms' '/tmp/LTL10114857517786996552.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...320
Loading property file /tmp/LTL10114857517786996552.prop.
Loaded 4 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut17263933530566208432.hoa
Reverse transition relation is NOT exact ! Due to transitions t2, t3, t16, t24, t29, t32, t33, t36, t38, t51, t59, t64, t67, t68, t71, t73, t86, t94, t99, ...453
Computing Next relation with stutter on 2 deadlock states
Detected timeout of ITS tools.
[2025-05-29 23:19:46] [INFO ] Flatten gal took : 33 ms
[2025-05-29 23:19:46] [INFO ] Flatten gal took : 32 ms
[2025-05-29 23:19:46] [INFO ] Time to serialize gal into /tmp/LTL2525094764046123469.gal : 15 ms
[2025-05-29 23:19:46] [INFO ] Time to serialize properties into /tmp/LTL7474549367526769240.ltl : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL2525094764046123469.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL7474549367526769240.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...275
Read 1 LTL properties
Checking formula 0 : !((G(("((p70==0)||(p218==1))")||(X(X(("(p57!=1)")U((G("(p57!=1)"))||(("(p57!=1)")&&((X("(p73!=1)"))U((X(G("(p73!=1)")))||((!("((p155==...199
Formula 0 simplified : F(!"((p70==0)||(p218==1))" & XX((X!"(p73!=1)" R (XF!"(p73!=1)" & ("((p155==0)||(p68==1))" | X!"(p73!=1)"))) U !"(p57!=1)"))
Reverse transition relation is NOT exact ! Due to transitions t2, t3, t16, t24, t29, t32, t33, t36, t38, t51, t59, t64, t67, t68, t71, t73, t86, t94, t99, ...453
Computing Next relation with stutter on 2 deadlock states
Detected timeout of ITS tools.
[2025-05-29 23:20:02] [INFO ] Flatten gal took : 29 ms
[2025-05-29 23:20:02] [INFO ] Applying decomposition
[2025-05-29 23:20:02] [INFO ] Flatten gal took : 27 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph698015545941290025.txt' '-o' '/tmp/graph698015545941290025.bin' '-w' '/tmp/graph698015545941290025.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph698015545941290025.bin' '-l' '-1' '-v' '-w' '/tmp/graph698015545941290025.weights' '-q' '0' '-e' '0.001'
[2025-05-29 23:20:02] [INFO ] Decomposing Gal with order
[2025-05-29 23:20:02] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-29 23:20:02] [INFO ] Removed a total of 822 redundant transitions.
[2025-05-29 23:20:02] [INFO ] Flatten gal took : 146 ms
[2025-05-29 23:20:02] [INFO ] Fuse similar labels procedure discarded/fused a total of 271 labels/synchronizations in 19 ms.
[2025-05-29 23:20:02] [INFO ] Time to serialize gal into /tmp/LTL9876946050704036382.gal : 6 ms
[2025-05-29 23:20:02] [INFO ] Time to serialize properties into /tmp/LTL7904820023718479377.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL9876946050704036382.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL7904820023718479377.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...254
Read 1 LTL properties
Checking formula 0 : !((G(("((i2.i0.u18.p70==0)||(i0.i1.u53.p218==1))")||(X(X(("(i7.u54.p57!=1)")U((G("(i7.u54.p57!=1)"))||(("(i7.u54.p57!=1)")&&((X("(i2.i...290
Formula 0 simplified : F(!"((i2.i0.u18.p70==0)||(i0.i1.u53.p218==1))" & XX((X!"(i2.i0.u20.p73!=1)" R (XF!"(i2.i0.u20.p73!=1)" & ("((i5.i0.u39.p155==0)||(i2...223
Reverse transition relation is NOT exact ! Due to transitions t213, t617, t628, i0.t208, i0.t207, i0.i0.t191, i0.i0.t199, i0.i0.t204, i0.i0.u3.t580, i0.i1....758
Computing Next relation with stutter on 2 deadlock states
6 unique states visited
6 strongly connected components in search stack
7 transitions explored
6 items max in DFS search stack
129 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,1.35626,63476,1,0,74643,2703,4729,162632,1405,16299,188735
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA CloudDeployment-PT-6a-LTLCardinality-07 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Treatment of property CloudDeployment-PT-6a-LTLCardinality-07 finished in 446198 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) U X(p1))))'
Support contains 4 out of 205 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 205/205 places, 714/714 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 204 transition count 714
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 3 place count 202 transition count 712
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 202 transition count 712
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 201 transition count 711
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 201 transition count 711
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 200 transition count 710
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 200 transition count 710
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 10 place count 199 transition count 709
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 199 transition count 709
Applied a total of 11 rules in 17 ms. Remains 199 /205 variables (removed 6) and now considering 709/714 (removed 5) transitions.
[2025-05-29 23:20:04] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
// Phase 1: matrix 374 rows 199 cols
[2025-05-29 23:20:04] [INFO ] Computed 24 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:20:04] [INFO ] Implicit Places using invariants in 126 ms returned []
[2025-05-29 23:20:04] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
[2025-05-29 23:20:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:20:04] [INFO ] State equation strengthened by 172 read => feed constraints.
[2025-05-29 23:20:04] [INFO ] Implicit Places using invariants and state equation in 433 ms returned []
Implicit Place search using SMT with State Equation took 561 ms to find 0 implicit places.
Running 708 sub problems to find dead transitions.
[2025-05-29 23:20:04] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
[2025-05-29 23:20:04] [INFO ] Invariant cache hit.
[2025-05-29 23:20:04] [INFO ] State equation strengthened by 172 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 2 (OVERLAPS) 373/571 variables, 198/222 constraints. Problems are: Problem set: 0 solved, 708 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/571 variables, 171/393 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/571 variables, 0/393 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 5 (OVERLAPS) 1/572 variables, 1/394 constraints. Problems are: Problem set: 0 solved, 708 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 572/573 variables, and 394 constraints, problems are : Problem set: 0 solved, 708 unsolved in 30017 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 199/199 constraints, ReadFeed: 171/172 constraints, PredecessorRefiner: 708/707 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 708 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 2 (OVERLAPS) 373/571 variables, 198/222 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/571 variables, 171/393 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/571 variables, 707/1100 constraints. Problems are: Problem set: 0 solved, 708 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 571/573 variables, and 1100 constraints, problems are : Problem set: 0 solved, 708 unsolved in 30029 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 198/199 constraints, ReadFeed: 171/172 constraints, PredecessorRefiner: 708/707 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60685ms problems are : Problem set: 0 solved, 708 unsolved
Search for dead transitions found 0 dead transitions in 60687ms
Starting structural reductions in LTL mode, iteration 1 : 199/205 places, 709/714 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61270 ms. Remains : 199/205 places, 709/714 transitions.
Stuttering acceptance computed with spot in 209 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : CloudDeployment-PT-6a-LTLCardinality-09
Product exploration explored 100000 steps with 33333 reset in 1453 ms.
Product exploration explored 100000 steps with 33333 reset in 1441 ms.
Computed a total of 97 stabilizing places and 505 stable transitions
Graph (complete) has 1967 edges and 199 vertex of which 198 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Computed a total of 97 stabilizing places and 505 stable transitions
Knowledge obtained : [(AND p0 p1), (X (NOT p0)), (X (X p1)), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 14 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CloudDeployment-PT-6a-LTLCardinality-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudDeployment-PT-6a-LTLCardinality-09 finished in 64420 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||(p1 U (p2||G(p1)))))))'
Support contains 4 out of 205 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 205/205 places, 714/714 transitions.
Graph (trivial) has 236 edges and 205 vertex of which 60 / 205 are part of one of the 18 SCC in 0 ms
Free SCC test removed 42 places
Ensure Unique test removed 120 transitions
Reduce isomorphic transitions removed 120 transitions.
Ensure Unique test removed 1 places
Reduce places removed 2 places and 1 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 8 place count 154 transition count 544
Iterating global reduction 0 with 7 rules applied. Total rules applied 15 place count 154 transition count 544
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: -56
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 0 with 34 rules applied. Total rules applied 49 place count 137 transition count 600
Drop transitions (Redundant composition of simpler transitions.) removed 97 transitions
Redundant transition composition rules discarded 97 transitions
Iterating global reduction 0 with 97 rules applied. Total rules applied 146 place count 137 transition count 503
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 148 place count 136 transition count 502
Applied a total of 148 rules in 37 ms. Remains 136 /205 variables (removed 69) and now considering 502/714 (removed 212) transitions.
[2025-05-29 23:21:08] [INFO ] Flow matrix only has 203 transitions (discarded 299 similar events)
// Phase 1: matrix 203 rows 136 cols
[2025-05-29 23:21:08] [INFO ] Computed 24 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:21:08] [INFO ] Implicit Places using invariants in 104 ms returned []
[2025-05-29 23:21:08] [INFO ] Flow matrix only has 203 transitions (discarded 299 similar events)
[2025-05-29 23:21:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:21:08] [INFO ] State equation strengthened by 7 read => feed constraints.
[2025-05-29 23:21:08] [INFO ] Implicit Places using invariants and state equation in 225 ms returned []
Implicit Place search using SMT with State Equation took 333 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 23:21:09] [INFO ] Redundant transitions in 277 ms returned []
Running 459 sub problems to find dead transitions.
[2025-05-29 23:21:09] [INFO ] Flow matrix only has 203 transitions (discarded 299 similar events)
[2025-05-29 23:21:09] [INFO ] Invariant cache hit.
[2025-05-29 23:21:09] [INFO ] State equation strengthened by 7 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/130 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 459 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/130 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 459 unsolved
At refinement iteration 2 (OVERLAPS) 6/136 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 459 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/136 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 459 unsolved
At refinement iteration 4 (OVERLAPS) 202/338 variables, 136/160 constraints. Problems are: Problem set: 0 solved, 459 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/338 variables, 7/167 constraints. Problems are: Problem set: 0 solved, 459 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/338 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 459 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 338/339 variables, and 167 constraints, problems are : Problem set: 0 solved, 459 unsolved in 30021 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 136/136 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 459/459 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 459 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/130 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 459 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/130 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 459 unsolved
At refinement iteration 2 (OVERLAPS) 6/136 variables, 6/24 constraints. Problems are: Problem set: 0 solved, 459 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/136 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 459 unsolved
At refinement iteration 4 (OVERLAPS) 202/338 variables, 136/160 constraints. Problems are: Problem set: 0 solved, 459 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/338 variables, 7/167 constraints. Problems are: Problem set: 0 solved, 459 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/338 variables, 459/626 constraints. Problems are: Problem set: 0 solved, 459 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/338 variables, 0/626 constraints. Problems are: Problem set: 0 solved, 459 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 338/339 variables, and 626 constraints, problems are : Problem set: 0 solved, 459 unsolved in 30026 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 136/136 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 459/459 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60313ms problems are : Problem set: 0 solved, 459 unsolved
Search for dead transitions found 0 dead transitions in 60314ms
Starting structural reductions in SI_LTL mode, iteration 1 : 136/205 places, 502/714 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 60973 ms. Remains : 136/205 places, 502/714 transitions.
Stuttering acceptance computed with spot in 83 ms :[(AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1))]
Running random walk in product with property : CloudDeployment-PT-6a-LTLCardinality-12
Product exploration explored 100000 steps with 0 reset in 86 ms.
Product exploration explored 100000 steps with 0 reset in 77 ms.
Computed a total of 82 stabilizing places and 394 stable transitions
Graph (complete) has 1593 edges and 136 vertex of which 135 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 82 stabilizing places and 394 stable transitions
Detected a total of 82/136 stabilizing places and 394/502 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 3/3 atomic propositions.
Knowledge obtained : [(AND (NOT p2) p0 p1), (X (NOT p2)), (X (NOT (AND (NOT p2) (NOT p0) (NOT p1)))), (X p0), (X (NOT (AND (NOT p2) (NOT p0) p1))), (X p1), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X p1)), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 14 factoid took 757 ms. Reduced automaton from 2 states, 4 edges and 3 AP (stutter insensitive) to 2 states, 4 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 73 ms :[(AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (670 resets) in 116 ms. (341 steps per ms) remains 1/5 properties
BEST_FIRST walk for 40002 steps (86 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
[2025-05-29 23:22:10] [INFO ] Flow matrix only has 203 transitions (discarded 299 similar events)
[2025-05-29 23:22:10] [INFO ] Invariant cache hit.
[2025-05-29 23:22:10] [INFO ] State equation strengthened by 7 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 43/45 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 91/136 variables, 18/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/136 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf1 is UNSAT
After SMT solving in domain Real declared 338/339 variables, and 160 constraints, problems are : Problem set: 1 solved, 0 unsolved in 71 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 136/136 constraints, ReadFeed: 0/7 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 76ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p2) p0 p1), (X (NOT p2)), (X (NOT (AND (NOT p2) (NOT p0) (NOT p1)))), (X p0), (X (NOT (AND (NOT p2) (NOT p0) p1))), (X p1), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X p1)), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p1) (G (NOT p1)))), (G (OR p2 p0 p1))]
False Knowledge obtained : [(F (NOT (OR p2 p0 (NOT p1)))), (F (NOT p1)), (F p2), (F (NOT p0))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 15 factoid took 13 ms. Reduced automaton from 2 states, 4 edges and 3 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CloudDeployment-PT-6a-LTLCardinality-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudDeployment-PT-6a-LTLCardinality-12 finished in 62235 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)))'
Support contains 2 out of 205 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 205/205 places, 714/714 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 204 transition count 714
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 3 place count 202 transition count 712
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 202 transition count 712
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 201 transition count 711
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 201 transition count 711
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 200 transition count 710
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 200 transition count 710
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 10 place count 199 transition count 709
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 199 transition count 709
Applied a total of 11 rules in 11 ms. Remains 199 /205 variables (removed 6) and now considering 709/714 (removed 5) transitions.
[2025-05-29 23:22:10] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
// Phase 1: matrix 374 rows 199 cols
[2025-05-29 23:22:10] [INFO ] Computed 24 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:22:10] [INFO ] Implicit Places using invariants in 91 ms returned []
[2025-05-29 23:22:10] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
[2025-05-29 23:22:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:22:10] [INFO ] State equation strengthened by 172 read => feed constraints.
[2025-05-29 23:22:11] [INFO ] Implicit Places using invariants and state equation in 463 ms returned []
Implicit Place search using SMT with State Equation took 556 ms to find 0 implicit places.
Running 708 sub problems to find dead transitions.
[2025-05-29 23:22:11] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
[2025-05-29 23:22:11] [INFO ] Invariant cache hit.
[2025-05-29 23:22:11] [INFO ] State equation strengthened by 172 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 2 (OVERLAPS) 373/571 variables, 198/222 constraints. Problems are: Problem set: 0 solved, 708 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/571 variables, 171/393 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/571 variables, 0/393 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 5 (OVERLAPS) 1/572 variables, 1/394 constraints. Problems are: Problem set: 0 solved, 708 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 572/573 variables, and 394 constraints, problems are : Problem set: 0 solved, 708 unsolved in 30016 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 199/199 constraints, ReadFeed: 171/172 constraints, PredecessorRefiner: 708/707 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 708 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 2 (OVERLAPS) 373/571 variables, 198/222 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/571 variables, 171/393 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/571 variables, 707/1100 constraints. Problems are: Problem set: 0 solved, 708 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 571/573 variables, and 1100 constraints, problems are : Problem set: 0 solved, 708 unsolved in 30021 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 198/199 constraints, ReadFeed: 171/172 constraints, PredecessorRefiner: 708/707 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60704ms problems are : Problem set: 0 solved, 708 unsolved
Search for dead transitions found 0 dead transitions in 60706ms
Starting structural reductions in LTL mode, iteration 1 : 199/205 places, 709/714 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61277 ms. Remains : 199/205 places, 709/714 transitions.
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudDeployment-PT-6a-LTLCardinality-13
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA CloudDeployment-PT-6a-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudDeployment-PT-6a-LTLCardinality-13 finished in 61366 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(p0))))'
Support contains 1 out of 205 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 205/205 places, 714/714 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 204 transition count 714
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 3 place count 202 transition count 712
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 202 transition count 712
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 201 transition count 711
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 201 transition count 711
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 200 transition count 710
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 200 transition count 710
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 10 place count 199 transition count 709
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 199 transition count 709
Applied a total of 11 rules in 13 ms. Remains 199 /205 variables (removed 6) and now considering 709/714 (removed 5) transitions.
[2025-05-29 23:23:12] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
[2025-05-29 23:23:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:23:12] [INFO ] Implicit Places using invariants in 90 ms returned []
[2025-05-29 23:23:12] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
[2025-05-29 23:23:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 23:23:12] [INFO ] State equation strengthened by 172 read => feed constraints.
[2025-05-29 23:23:12] [INFO ] Implicit Places using invariants and state equation in 464 ms returned []
Implicit Place search using SMT with State Equation took 559 ms to find 0 implicit places.
Running 708 sub problems to find dead transitions.
[2025-05-29 23:23:12] [INFO ] Flow matrix only has 374 transitions (discarded 335 similar events)
[2025-05-29 23:23:12] [INFO ] Invariant cache hit.
[2025-05-29 23:23:12] [INFO ] State equation strengthened by 172 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 2 (OVERLAPS) 373/571 variables, 198/222 constraints. Problems are: Problem set: 0 solved, 708 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/571 variables, 171/393 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/571 variables, 0/393 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 5 (OVERLAPS) 1/572 variables, 1/394 constraints. Problems are: Problem set: 0 solved, 708 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 572/573 variables, and 394 constraints, problems are : Problem set: 0 solved, 708 unsolved in 30027 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 199/199 constraints, ReadFeed: 171/172 constraints, PredecessorRefiner: 708/707 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 708 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/198 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/198 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 2 (OVERLAPS) 373/571 variables, 198/222 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/571 variables, 171/393 constraints. Problems are: Problem set: 0 solved, 708 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/571 variables, 707/1100 constraints. Problems are: Problem set: 0 solved, 708 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 571/573 variables, and 1100 constraints, problems are : Problem set: 0 solved, 708 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 24/24 constraints, State Equation: 198/199 constraints, ReadFeed: 171/172 constraints, PredecessorRefiner: 708/707 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60719ms problems are : Problem set: 0 solved, 708 unsolved
Search for dead transitions found 0 dead transitions in 60721ms
Starting structural reductions in LTL mode, iteration 1 : 199/205 places, 709/714 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61298 ms. Remains : 199/205 places, 709/714 transitions.
Stuttering acceptance computed with spot in 146 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : CloudDeployment-PT-6a-LTLCardinality-15
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA CloudDeployment-PT-6a-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudDeployment-PT-6a-LTLCardinality-15 finished in 61457 ms.
All properties solved by simple procedures.
Total runtime 883290 ms.
BK_STOP 1748561053533
--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -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="CloudDeployment-PT-6a"
export BK_EXAMINATION="LTLCardinality"
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 CloudDeployment-PT-6a, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r044-tall-174854027700067"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-6a.tgz
mv CloudDeployment-PT-6a execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;