Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r254-tall-174931340100540.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 ZombiesAndSurvivors-PT-Circular04100100, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r254-tall-174931340100540
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 8.1K Jun 6 09:15 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Jun 6 09:15 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Jun 6 09:12 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Jun 6 09:12 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.7K Jun 6 12:17 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Jun 6 12:17 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Jun 6 12:17 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Jun 6 12:17 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 18K Jun 6 09:15 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 161K Jun 6 09:15 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K Jun 6 09:15 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 48K Jun 6 09:15 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Jun 6 12:17 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Jun 6 12:17 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 17 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 11K Jun 5 20:08 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 ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-00
FORMULA_NAME ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-01
FORMULA_NAME ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-02
FORMULA_NAME ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-03
FORMULA_NAME ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-04
FORMULA_NAME ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-05
FORMULA_NAME ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-06
FORMULA_NAME ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-07
FORMULA_NAME ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-08
FORMULA_NAME ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-09
FORMULA_NAME ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-10
FORMULA_NAME ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-11
FORMULA_NAME ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-12
FORMULA_NAME ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-13
FORMULA_NAME ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-14
FORMULA_NAME ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749413499000

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ZombiesAndSurvivors-PT-Circular04100100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-08 20:11:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-08 20:11:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-08 20:11:40] [INFO ] Load time of PNML (sax parser for PT used): 29 ms
[2025-06-08 20:11:40] [INFO ] Transformed 8 places.
[2025-06-08 20:11:40] [INFO ] Transformed 24 transitions.
[2025-06-08 20:11:40] [INFO ] Parsed PT model containing 8 places and 24 transitions and 56 arcs in 117 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 8 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 24/24 transitions.
Applied a total of 0 rules in 6 ms. Remains 8 /8 variables (removed 0) and now considering 24/24 (removed 0) transitions.
// Phase 1: matrix 24 rows 8 cols
[2025-06-08 20:11:40] [INFO ] Computed 0 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:40] [INFO ] Implicit Places using invariants in 86 ms returned []
[2025-06-08 20:11:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:40] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-08 20:11:40] [INFO ] Implicit Places using invariants and state equation in 74 ms returned []
Implicit Place search using SMT with State Equation took 201 ms to find 0 implicit places.
Running 20 sub problems to find dead transitions.
[2025-06-08 20:11:40] [INFO ] Invariant cache hit.
[2025-06-08 20:11:40] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 14 constraints, problems are : Problem set: 0 solved, 20 unsolved in 218 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 20/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 34 constraints, problems are : Problem set: 0 solved, 20 unsolved in 292 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 534ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 543ms
Finished structural reductions in LTL mode , in 1 iterations and 769 ms. Remains : 8/8 places, 24/24 transitions.
Support contains 8 out of 8 places after structural reductions.
[2025-06-08 20:11:41] [INFO ] Flatten gal took : 13 ms
[2025-06-08 20:11:41] [INFO ] Flatten gal took : 3 ms
[2025-06-08 20:11:41] [INFO ] Input system was already deterministic with 24 transitions.
Reduction of identical properties reduced properties to check from 16 to 15
RANDOM walk for 40297 steps (8 resets) in 153 ms. (261 steps per ms) remains 1/15 properties
BEST_FIRST walk for 151 steps (0 resets) in 5 ms. (25 steps per ms) remains 0/1 properties
FORMULA ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-14 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 4 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X((!p0&&X((!p0 U (!p1||G(!p0))))))))))'
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 24/24 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 24/24 (removed 0) transitions.
[2025-06-08 20:11:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:42] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-08 20:11:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:42] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-08 20:11:42] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
Running 20 sub problems to find dead transitions.
[2025-06-08 20:11:42] [INFO ] Invariant cache hit.
[2025-06-08 20:11:42] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 14 constraints, problems are : Problem set: 0 solved, 20 unsolved in 117 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 20/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 34 constraints, problems are : Problem set: 0 solved, 20 unsolved in 307 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 432ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 432ms
Finished structural reductions in LTL mode , in 1 iterations and 483 ms. Remains : 8/8 places, 24/24 transitions.
Stuttering acceptance computed with spot in 391 ms :[true, p0, (AND p0 p1), p0, p0, p0, p0]
Running random walk in product with property : ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-00
Entered a terminal (fully accepting) state of product in 38 steps with 3 reset in 4 ms.
FORMULA ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-00 finished in 940 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)))||X(X(F(p2)))))'
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 24/24 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 24/24 (removed 0) transitions.
[2025-06-08 20:11:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:42] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-08 20:11:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:42] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-08 20:11:42] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
Running 20 sub problems to find dead transitions.
[2025-06-08 20:11:42] [INFO ] Invariant cache hit.
[2025-06-08 20:11:42] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 14 constraints, problems are : Problem set: 0 solved, 20 unsolved in 98 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 20/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 34 constraints, problems are : Problem set: 0 solved, 20 unsolved in 179 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 296ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 296ms
Finished structural reductions in LTL mode , in 1 iterations and 336 ms. Remains : 8/8 places, 24/24 transitions.
Stuttering acceptance computed with spot in 244 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-01
Product exploration explored 100000 steps with 14 reset in 183 ms.
Stack based approach found an accepted trace after 9 steps with 0 reset with depth 10 and stack size 10 in 0 ms.
FORMULA ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-01 finished in 780 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(p1))))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 24/24 transitions.
Graph (trivial) has 6 edges and 8 vertex of which 5 / 8 are part of one of the 2 SCC in 1 ms
Free SCC test removed 3 places
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Applied a total of 1 rules in 9 ms. Remains 5 /8 variables (removed 3) and now considering 16/24 (removed 8) transitions.
[2025-06-08 20:11:43] [INFO ] Flow matrix only has 15 transitions (discarded 1 similar events)
// Phase 1: matrix 15 rows 5 cols
[2025-06-08 20:11:43] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:43] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-08 20:11:43] [INFO ] Flow matrix only has 15 transitions (discarded 1 similar events)
[2025-06-08 20:11:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:43] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-08 20:11:43] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 20:11:43] [INFO ] Redundant transitions in 0 ms returned []
Running 9 sub problems to find dead transitions.
[2025-06-08 20:11:43] [INFO ] Flow matrix only has 15 transitions (discarded 1 similar events)
[2025-06-08 20:11:43] [INFO ] Invariant cache hit.
[2025-06-08 20:11:43] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 13/17 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 9 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 2/19 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/19 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 0/19 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 19/20 variables, and 8 constraints, problems are : Problem set: 0 solved, 9 unsolved in 84 ms.
Refiners :[State Equation: 5/5 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 13/17 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 2/19 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/19 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 0/19 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 19/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 9 unsolved in 94 ms.
Refiners :[State Equation: 5/5 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 183ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 183ms
Starting structural reductions in SI_LTL mode, iteration 1 : 5/8 places, 16/24 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 234 ms. Remains : 5/8 places, 16/24 transitions.
Stuttering acceptance computed with spot in 97 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-04
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-04 finished in 343 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(((p0||F(!p1)) U (G((p0||F(!p1)))||((p0||F(!p1))&&X(p2))))) U X((!p2 U p3))))'
Support contains 5 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 24/24 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 24/24 (removed 0) transitions.
// Phase 1: matrix 24 rows 8 cols
[2025-06-08 20:11:44] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:44] [INFO ] Implicit Places using invariants in 14 ms returned []
[2025-06-08 20:11:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:44] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-08 20:11:44] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
Running 20 sub problems to find dead transitions.
[2025-06-08 20:11:44] [INFO ] Invariant cache hit.
[2025-06-08 20:11:44] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 14 constraints, problems are : Problem set: 0 solved, 20 unsolved in 96 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 20/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 34 constraints, problems are : Problem set: 0 solved, 20 unsolved in 174 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 275ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 275ms
Finished structural reductions in LTL mode , in 1 iterations and 319 ms. Remains : 8/8 places, 24/24 transitions.
Stuttering acceptance computed with spot in 184 ms :[(NOT p3), (NOT p3), (AND (NOT p0) p1 (NOT p3) p2), (AND (NOT p0) p1), (AND (NOT p0) p1 (NOT p2))]
Running random walk in product with property : ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-05
Product exploration explored 100000 steps with 50000 reset in 95 ms.
Product exploration explored 100000 steps with 50000 reset in 97 ms.
Computed a total of 0 stabilizing places and 4 stable transitions
Computed a total of 0 stabilizing places and 4 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) p3 (NOT p2)), (X (NOT p2)), (X p3), (X (NOT (AND (NOT p0) p1 (NOT p3)))), (X (NOT (AND (NOT p0) p1 p2 (NOT p3)))), (X (NOT (AND p0 p1 p2 (NOT p3)))), (X p0), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p3)), (X (X (NOT (AND (NOT p0) p1 (NOT p3))))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (NOT (AND (NOT p0) p1 p2 (NOT p3))))), (X (X (NOT (AND p0 p1 p2 (NOT p3)))))]
False Knowledge obtained : [(X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X (AND p0 p1 (NOT p2)))), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 15 factoid took 22 ms. Reduced automaton from 5 states, 10 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-05 finished in 762 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0) U (G(F(!p0)) U (!p0 U X(X(G(p1)))))))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 24/24 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 24/24 (removed 0) transitions.
[2025-06-08 20:11:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:44] [INFO ] Implicit Places using invariants in 14 ms returned []
[2025-06-08 20:11:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:44] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-08 20:11:44] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Running 20 sub problems to find dead transitions.
[2025-06-08 20:11:44] [INFO ] Invariant cache hit.
[2025-06-08 20:11:44] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 14 constraints, problems are : Problem set: 0 solved, 20 unsolved in 112 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 20/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 34 constraints, problems are : Problem set: 0 solved, 20 unsolved in 244 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 361ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 361ms
Finished structural reductions in LTL mode , in 1 iterations and 423 ms. Remains : 8/8 places, 24/24 transitions.
Stuttering acceptance computed with spot in 306 ms :[(NOT p1), false, (NOT p1), (NOT p1), (AND (NOT p1) p0), (AND (NOT p1) p0), p0, p0]
Running random walk in product with property : ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-06
Product exploration explored 100000 steps with 334 reset in 75 ms.
Stack based approach found an accepted trace after 13 steps with 2 reset with depth 7 and stack size 7 in 0 ms.
FORMULA ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-06 finished in 828 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(p0)||(X(F(X(p0)))&&p1))) U p2)))'
Support contains 5 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 24/24 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 24/24 (removed 0) transitions.
[2025-06-08 20:11:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:45] [INFO ] Implicit Places using invariants in 14 ms returned []
[2025-06-08 20:11:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:45] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-08 20:11:45] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Running 20 sub problems to find dead transitions.
[2025-06-08 20:11:45] [INFO ] Invariant cache hit.
[2025-06-08 20:11:45] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 14 constraints, problems are : Problem set: 0 solved, 20 unsolved in 91 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 20/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 34 constraints, problems are : Problem set: 0 solved, 20 unsolved in 183 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 292ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 292ms
Finished structural reductions in LTL mode , in 1 iterations and 349 ms. Remains : 8/8 places, 24/24 transitions.
Stuttering acceptance computed with spot in 164 ms :[(NOT p2), (OR (NOT p0) (NOT p2)), (NOT p0), (NOT p0), true]
Running random walk in product with property : ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-07
Product exploration explored 100000 steps with 6866 reset in 95 ms.
Stack based approach found an accepted trace after 9 steps with 1 reset with depth 6 and stack size 6 in 0 ms.
FORMULA ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-07 finished in 633 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 24/24 transitions.
Graph (trivial) has 8 edges and 8 vertex of which 6 / 8 are part of one of the 2 SCC in 0 ms
Free SCC test removed 4 places
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Applied a total of 1 rules in 0 ms. Remains 4 /8 variables (removed 4) and now considering 10/24 (removed 14) transitions.
[2025-06-08 20:11:46] [INFO ] Flow matrix only has 9 transitions (discarded 1 similar events)
// Phase 1: matrix 9 rows 4 cols
[2025-06-08 20:11:46] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:46] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-08 20:11:46] [INFO ] Flow matrix only has 9 transitions (discarded 1 similar events)
[2025-06-08 20:11:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:46] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-08 20:11:46] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 20:11:46] [INFO ] Redundant transitions in 1 ms returned []
Running 7 sub problems to find dead transitions.
[2025-06-08 20:11:46] [INFO ] Flow matrix only has 9 transitions (discarded 1 similar events)
[2025-06-08 20:11:46] [INFO ] Invariant cache hit.
[2025-06-08 20:11:46] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 8/12 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 0/12 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12/13 variables, and 6 constraints, problems are : Problem set: 0 solved, 7 unsolved in 59 ms.
Refiners :[State Equation: 4/4 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 8/12 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 0/12 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 7 unsolved in 64 ms.
Refiners :[State Equation: 4/4 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 128ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 129ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/8 places, 10/24 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 173 ms. Remains : 4/8 places, 10/24 transitions.
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Running random walk in product with property : ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-08
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-08 finished in 218 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(G(!p0))||F(p1))))'
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 24/24 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 24/24 (removed 0) transitions.
// Phase 1: matrix 24 rows 8 cols
[2025-06-08 20:11:46] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:46] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-08 20:11:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:46] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-08 20:11:46] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
Running 20 sub problems to find dead transitions.
[2025-06-08 20:11:46] [INFO ] Invariant cache hit.
[2025-06-08 20:11:46] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 14 constraints, problems are : Problem set: 0 solved, 20 unsolved in 121 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 20/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 34 constraints, problems are : Problem set: 0 solved, 20 unsolved in 150 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 285ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 285ms
Finished structural reductions in LTL mode , in 1 iterations and 328 ms. Remains : 8/8 places, 24/24 transitions.
Stuttering acceptance computed with spot in 136 ms :[(NOT p1), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-09
Product exploration explored 100000 steps with 9821 reset in 66 ms.
Stack based approach found an accepted trace after 79 steps with 28 reset with depth 11 and stack size 11 in 0 ms.
FORMULA ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-09 finished in 547 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((F(G(!p0))&&G(p1)))))'
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 24/24 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 24/24 (removed 0) transitions.
[2025-06-08 20:11:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:47] [INFO ] Implicit Places using invariants in 12 ms returned []
[2025-06-08 20:11:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:47] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-08 20:11:47] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 34 ms to find 0 implicit places.
Running 20 sub problems to find dead transitions.
[2025-06-08 20:11:47] [INFO ] Invariant cache hit.
[2025-06-08 20:11:47] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 14 constraints, problems are : Problem set: 0 solved, 20 unsolved in 82 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 20/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 34 constraints, problems are : Problem set: 0 solved, 20 unsolved in 166 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 250ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 251ms
Finished structural reductions in LTL mode , in 1 iterations and 289 ms. Remains : 8/8 places, 24/24 transitions.
Stuttering acceptance computed with spot in 150 ms :[(OR (NOT p1) p0), (OR (NOT p1) p0), (OR (NOT p1) p0), true, p0]
Running random walk in product with property : ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-10
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-10 finished in 460 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((!p0||X(p1))) U X(X(X(p2)))))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 24/24 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 24/24 (removed 0) transitions.
[2025-06-08 20:11:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:47] [INFO ] Implicit Places using invariants in 12 ms returned []
[2025-06-08 20:11:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:47] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-08 20:11:47] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
Running 20 sub problems to find dead transitions.
[2025-06-08 20:11:47] [INFO ] Invariant cache hit.
[2025-06-08 20:11:47] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 14 constraints, problems are : Problem set: 0 solved, 20 unsolved in 81 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 20/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 34 constraints, problems are : Problem set: 0 solved, 20 unsolved in 172 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 262ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 262ms
Finished structural reductions in LTL mode , in 1 iterations and 311 ms. Remains : 8/8 places, 24/24 transitions.
Stuttering acceptance computed with spot in 413 ms :[(NOT p2), (NOT p2), (AND p0 (NOT p1) (NOT p2)), (NOT p2), (AND p0 (NOT p1) (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (NOT p2), (AND p0 (NOT p1) (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (AND p0 (NOT p1))]
Running random walk in product with property : ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-11
Product exploration explored 100000 steps with 12753 reset in 106 ms.
Stack based approach found an accepted trace after 23 steps with 1 reset with depth 11 and stack size 11 in 0 ms.
FORMULA ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-11 finished in 846 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(p0) U (X(p2)&&p1)) U X(p3)))))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 24/24 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 24/24 (removed 0) transitions.
[2025-06-08 20:11:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:48] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-08 20:11:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:48] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-08 20:11:48] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
Running 20 sub problems to find dead transitions.
[2025-06-08 20:11:48] [INFO ] Invariant cache hit.
[2025-06-08 20:11:48] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 14 constraints, problems are : Problem set: 0 solved, 20 unsolved in 106 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 20/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 34 constraints, problems are : Problem set: 0 solved, 20 unsolved in 162 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 273ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 273ms
Finished structural reductions in LTL mode , in 1 iterations and 317 ms. Remains : 8/8 places, 24/24 transitions.
Stuttering acceptance computed with spot in 556 ms :[(OR (NOT p2) (NOT p0)), (OR (AND (NOT p0) p3) (AND (NOT p1) p3) (AND (NOT p2) p3)), (OR (AND (NOT p0) p3) (AND (NOT p2) p3)), (NOT p0), true, (OR (NOT p2) (NOT p1) (NOT p0)), p3, p3, p3, p3, p3, p3, p3, p3]
Running random walk in product with property : ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-12
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 0 ms.
FORMULA ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-12 finished in 899 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(!p0)||F(p1))))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 24/24 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 24/24 (removed 0) transitions.
[2025-06-08 20:11:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:49] [INFO ] Implicit Places using invariants in 14 ms returned []
[2025-06-08 20:11:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:49] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-08 20:11:49] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
Running 20 sub problems to find dead transitions.
[2025-06-08 20:11:49] [INFO ] Invariant cache hit.
[2025-06-08 20:11:49] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 0/32 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 32/32 variables, and 14 constraints, problems are : Problem set: 0 solved, 20 unsolved in 109 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 20/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 0/32 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 32/32 variables, and 34 constraints, problems are : Problem set: 0 solved, 20 unsolved in 154 ms.
Refiners :[State Equation: 8/8 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 282ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 282ms
Finished structural reductions in LTL mode , in 1 iterations and 319 ms. Remains : 8/8 places, 24/24 transitions.
Stuttering acceptance computed with spot in 140 ms :[(AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (NOT p1)]
Running random walk in product with property : ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-13
Product exploration explored 100000 steps with 10187 reset in 160 ms.
Stack based approach found an accepted trace after 37 steps with 6 reset with depth 5 and stack size 5 in 0 ms.
FORMULA ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-13 finished in 629 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(!p1)))))'
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 24/24 transitions.
Graph (trivial) has 10 edges and 8 vertex of which 6 / 8 are part of one of the 2 SCC in 0 ms
Free SCC test removed 4 places
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Applied a total of 1 rules in 8 ms. Remains 4 /8 variables (removed 4) and now considering 14/24 (removed 10) transitions.
[2025-06-08 20:11:49] [INFO ] Flow matrix only has 13 transitions (discarded 1 similar events)
// Phase 1: matrix 13 rows 4 cols
[2025-06-08 20:11:49] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:49] [INFO ] Implicit Places using invariants in 13 ms returned []
[2025-06-08 20:11:49] [INFO ] Flow matrix only has 13 transitions (discarded 1 similar events)
[2025-06-08 20:11:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 20:11:49] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-08 20:11:49] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 31 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 20:11:49] [INFO ] Redundant transitions in 0 ms returned []
Running 9 sub problems to find dead transitions.
[2025-06-08 20:11:49] [INFO ] Flow matrix only has 13 transitions (discarded 1 similar events)
[2025-06-08 20:11:49] [INFO ] Invariant cache hit.
[2025-06-08 20:11:49] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 11/14 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 2/16 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/16 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 0/16 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 16/17 variables, and 6 constraints, problems are : Problem set: 0 solved, 9 unsolved in 106 ms.
Refiners :[State Equation: 4/4 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 11/14 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 2/16 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/16 variables, 9/15 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/16 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 0/16 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 16/17 variables, and 15 constraints, problems are : Problem set: 0 solved, 9 unsolved in 79 ms.
Refiners :[State Equation: 4/4 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 202ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 202ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/8 places, 14/24 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 248 ms. Remains : 4/8 places, 14/24 transitions.
Stuttering acceptance computed with spot in 93 ms :[(OR (NOT p0) p1), (NOT p0), p1]
Running random walk in product with property : ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-15
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ZombiesAndSurvivors-PT-Circular04100100-LTLFireability-15 finished in 359 ms.
All properties solved by simple procedures.
Total runtime 10009 ms.

BK_STOP 1749413510238

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="ZombiesAndSurvivors-PT-Circular04100100"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is ZombiesAndSurvivors-PT-Circular04100100, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r254-tall-174931340100540"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ZombiesAndSurvivors-PT-Circular04100100.tgz
mv ZombiesAndSurvivors-PT-Circular04100100 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;