Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r156-tall-174881253500194.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 PhilosophersDyn-COL-03, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r156-tall-174881253500194
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K 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 6.3K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 127K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 63K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 31K 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 PhilosophersDyn-COL-03-CTLFireability-2025-00
FORMULA_NAME PhilosophersDyn-COL-03-CTLFireability-2025-01
FORMULA_NAME PhilosophersDyn-COL-03-CTLFireability-2025-02
FORMULA_NAME PhilosophersDyn-COL-03-CTLFireability-2025-03
FORMULA_NAME PhilosophersDyn-COL-03-CTLFireability-2025-04
FORMULA_NAME PhilosophersDyn-COL-03-CTLFireability-2025-05
FORMULA_NAME PhilosophersDyn-COL-03-CTLFireability-2025-06
FORMULA_NAME PhilosophersDyn-COL-03-CTLFireability-2025-07
FORMULA_NAME PhilosophersDyn-COL-03-CTLFireability-2025-08
FORMULA_NAME PhilosophersDyn-COL-03-CTLFireability-2025-09
FORMULA_NAME PhilosophersDyn-COL-03-CTLFireability-2025-10
FORMULA_NAME PhilosophersDyn-COL-03-CTLFireability-2025-11
FORMULA_NAME PhilosophersDyn-COL-03-CTLFireability-2025-12
FORMULA_NAME PhilosophersDyn-COL-03-CTLFireability-2025-13
FORMULA_NAME PhilosophersDyn-COL-03-CTLFireability-2025-14
FORMULA_NAME PhilosophersDyn-COL-03-CTLFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748878319279

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PhilosophersDyn-COL-03
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
CTLFireability COL
Running Version 202505121319
[2025-06-02 15:32:00] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 15:32:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 15:32:00] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2025-06-02 15:32:00] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-02 15:32:01] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 547 ms
[2025-06-02 15:32:01] [INFO ] Imported 8 HL places and 7 HL transitions for a total of 30 PT places and 87.0 transition bindings in 17 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 16 ms.
[2025-06-02 15:32:01] [INFO ] Built PT skeleton of HLPN with 8 places and 7 transitions 33 arcs in 4 ms.
[2025-06-02 15:32:01] [INFO ] Skeletonized 5 HLPN properties in 1 ms. Removed 11 properties that had guard overlaps.
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 5 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 40000 steps (5483 resets) in 656 ms. (60 steps per ms) remains 1/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 312 ms. (127 steps per ms) remains 1/1 properties
// Phase 1: matrix 7 rows 8 cols
[2025-06-02 15:32:01] [INFO ] Computed 3 invariants in 8 ms
[2025-06-02 15:32:01] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/8 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/15 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 15 constraints, problems are : Problem set: 0 solved, 1 unsolved in 162 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 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) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/8 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/15 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 16 constraints, problems are : Problem set: 0 solved, 1 unsolved in 64 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 276ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 2 ms.
Support contains 5 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 7/7 transitions.
Applied a total of 0 rules in 7 ms. Remains 8 /8 variables (removed 0) and now considering 7/7 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2025-06-02 15:32:01] [INFO ] Invariant cache hit.
[2025-06-02 15:32:01] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 7/15 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/15 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 15 constraints, problems are : Problem set: 0 solved, 6 unsolved in 110 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 7/15 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 6/21 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 21 constraints, problems are : Problem set: 0 solved, 6 unsolved in 97 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 215ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 215ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 233 ms. Remains : 8/8 places, 7/7 transitions.
RANDOM walk for 40002 steps (5469 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 83 ms. (476 steps per ms) remains 1/1 properties
Probably explored full state space saw : 42 states, properties seen :0
Probabilistic random walk after 118 steps, saw 42 distinct states, run finished after 9 ms. (steps per millisecond=13 ) properties seen :0
Explored full state space saw : 42 states, properties seen :0
Exhaustive walk after 118 steps, saw 42 distinct states, run finished after 2 ms. (steps per millisecond=59 ) properties seen :0
Successfully simplified 1 atomic propositions for a total of 5 simplifications.
FORMULA PhilosophersDyn-COL-03-CTLFireability-2025-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-02 15:32:02] [INFO ] Flatten gal took : 12 ms
[2025-06-02 15:32:02] [INFO ] Flatten gal took : 2 ms
Domain [Philosopher(3), Philosopher(3)] of place Neighbourhood breaks symmetries in sort Philosopher
[2025-06-02 15:32:02] [INFO ] Unfolded HLPN to a Petri net with 30 places and 84 transitions 564 arcs in 14 ms.
[2025-06-02 15:32:02] [INFO ] Unfolded 15 HLPN properties in 1 ms.
Initial state reduction rules removed 1 formulas.
[2025-06-02 15:32:02] [INFO ] Reduced 5 identical enabling conditions.
[2025-06-02 15:32:02] [INFO ] Reduced 5 identical enabling conditions.
[2025-06-02 15:32:02] [INFO ] Reduced 5 identical enabling conditions.
[2025-06-02 15:32:02] [INFO ] Reduced 5 identical enabling conditions.
[2025-06-02 15:32:02] [INFO ] Reduced 5 identical enabling conditions.
[2025-06-02 15:32:02] [INFO ] Reduced 5 identical enabling conditions.
[2025-06-02 15:32:02] [INFO ] Reduced 5 identical enabling conditions.
[2025-06-02 15:32:02] [INFO ] Reduced 5 identical enabling conditions.
[2025-06-02 15:32:02] [INFO ] Reduced 5 identical enabling conditions.
[2025-06-02 15:32:02] [INFO ] Reduced 5 identical enabling conditions.
[2025-06-02 15:32:02] [INFO ] Reduced 5 identical enabling conditions.
[2025-06-02 15:32:02] [INFO ] Reduced 5 identical enabling conditions.
Ensure Unique test removed 3 transitions
Reduce redundant transitions removed 3 transitions.
FORMULA PhilosophersDyn-COL-03-CTLFireability-2025-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 30 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 81/81 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 81/81 (removed 0) transitions.
Running 78 sub problems to find dead transitions.
[2025-06-02 15:32:02] [INFO ] Flow matrix only has 57 transitions (discarded 24 similar events)
// Phase 1: matrix 57 rows 30 cols
[2025-06-02 15:32:02] [INFO ] Computed 11 invariants in 6 ms
[2025-06-02 15:32:02] [INFO ] State equation strengthened by 36 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
Problem TDEAD7 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD55 is UNSAT
Problem TDEAD56 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 10/10 constraints. Problems are: Problem set: 20 solved, 58 unsolved
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD48 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 1/11 constraints. Problems are: Problem set: 30 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/11 constraints. Problems are: Problem set: 30 solved, 48 unsolved
At refinement iteration 3 (OVERLAPS) 57/87 variables, 30/41 constraints. Problems are: Problem set: 30 solved, 48 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 36/77 constraints. Problems are: Problem set: 30 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 0/77 constraints. Problems are: Problem set: 30 solved, 48 unsolved
At refinement iteration 6 (OVERLAPS) 0/87 variables, 0/77 constraints. Problems are: Problem set: 30 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 87/87 variables, and 77 constraints, problems are : Problem set: 30 solved, 48 unsolved in 1168 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 78/78 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 30 solved, 48 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 10/10 constraints. Problems are: Problem set: 30 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 1/11 constraints. Problems are: Problem set: 30 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/11 constraints. Problems are: Problem set: 30 solved, 48 unsolved
At refinement iteration 3 (OVERLAPS) 57/87 variables, 30/41 constraints. Problems are: Problem set: 30 solved, 48 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 36/77 constraints. Problems are: Problem set: 30 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 48/125 constraints. Problems are: Problem set: 30 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/87 variables, 0/125 constraints. Problems are: Problem set: 30 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/87 variables, 0/125 constraints. Problems are: Problem set: 30 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 87/87 variables, and 125 constraints, problems are : Problem set: 30 solved, 48 unsolved in 1677 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 48/78 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2957ms problems are : Problem set: 30 solved, 48 unsolved
Search for dead transitions found 30 dead transitions in 2958ms
Found 30 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 30 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 30 transitions.
// Phase 1: matrix 51 rows 30 cols
[2025-06-02 15:32:05] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:32:06] [INFO ] Implicit Places using invariants in 963 ms returned []
[2025-06-02 15:32:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:32:06] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-02 15:32:06] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 1019 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 30/30 places, 51/81 transitions.
Applied a total of 0 rules in 0 ms. Remains 30 /30 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3987 ms. Remains : 30/30 places, 51/81 transitions.
Support contains 30 out of 30 places after structural reductions.
[2025-06-02 15:32:06] [INFO ] Flatten gal took : 28 ms
[2025-06-02 15:32:06] [INFO ] Flatten gal took : 39 ms
[2025-06-02 15:32:06] [INFO ] Input system was already deterministic with 51 transitions.
Reduction of identical properties reduced properties to check from 32 to 22
RANDOM walk for 40000 steps (5726 resets) in 1007 ms. (39 steps per ms) remains 4/22 properties
BEST_FIRST walk for 40004 steps (546 resets) in 832 ms. (48 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (2099 resets) in 186 ms. (213 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 308 ms. (129 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (1711 resets) in 296 ms. (134 steps per ms) remains 4/4 properties
[2025-06-02 15:32:07] [INFO ] Invariant cache hit.
[2025-06-02 15:32:07] [INFO ] State equation strengthened by 30 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem AtomicPropp30 is UNSAT
Problem AtomicPropp19 is UNSAT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 2 solved, 2 unsolved
Problem AtomicPropp22 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/11 constraints. Problems are: Problem set: 3 solved, 1 unsolved
Problem AtomicPropp24 is UNSAT
After SMT solving in domain Real declared 81/81 variables, and 41 constraints, problems are : Problem set: 4 solved, 0 unsolved in 63 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 0/30 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 85ms problems are : Problem set: 4 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 4 atomic propositions for a total of 14 simplifications.
[2025-06-02 15:32:07] [INFO ] Flatten gal took : 20 ms
[2025-06-02 15:32:07] [INFO ] Flatten gal took : 18 ms
[2025-06-02 15:32:08] [INFO ] Input system was already deterministic with 51 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 51/51 transitions.
Applied a total of 0 rules in 0 ms. Remains 30 /30 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:32:08] [INFO ] Invariant cache hit.
[2025-06-02 15:32:08] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:08] [INFO ] Deduced a trap composed of 7 places in 49 ms of which 9 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1108 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:09] [INFO ] Deduced a trap composed of 11 places in 45 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:10] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:11] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3359 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4497ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4497ms
[2025-06-02 15:32:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:32:12] [INFO ] Implicit Places using invariants in 37 ms returned []
[2025-06-02 15:32:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:32:12] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-02 15:32:12] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:32:12] [INFO ] Invariant cache hit.
[2025-06-02 15:32:12] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:12] [INFO ] Deduced a trap composed of 7 places in 39 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1061 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:14] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:14] [INFO ] Deduced a trap composed of 11 places in 44 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:15] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3336 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4420ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4421ms
Finished structural reductions in LTL mode , in 1 iterations and 9012 ms. Remains : 30/30 places, 51/51 transitions.
[2025-06-02 15:32:17] [INFO ] Flatten gal took : 8 ms
[2025-06-02 15:32:17] [INFO ] Flatten gal took : 5 ms
[2025-06-02 15:32:17] [INFO ] Input system was already deterministic with 51 transitions.
[2025-06-02 15:32:17] [INFO ] Flatten gal took : 4 ms
[2025-06-02 15:32:17] [INFO ] Flatten gal took : 4 ms
[2025-06-02 15:32:17] [INFO ] Time to serialize gal into /tmp/CTLFireability10763862836228017557.gal : 2 ms
[2025-06-02 15:32:17] [INFO ] Time to serialize properties into /tmp/CTLFireability10982357071497879028.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability10763862836228017557.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability10982357071497879028.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,325,0.028926,4476,2,501,5,2420,6,0,180,2376,0


Converting to forward existential form...Done !
original formula: A((EG(((EX((((Think_0>=1)||(Think_1>=1))||(Think_2>=1))) + (Think_0>=1)) + ((Think_1>=1)||(Think_2>=1)))) + AF(AX(((((((((Neighbourhood_4...2090
=> equivalent forward existential formula: [((Init * !(EG(!(((((Forks_2>=1)&&(WaitLeft_2>=1))||((Forks_1>=1)&&(WaitLeft_1>=1)))||((Forks_0>=1)&&(WaitLeft_0...2381
Reverse transition relation is NOT exact ! Due to transitions t15, t16, t17, t18, t19, t20, t21, t22, t23, t24, t25, t26, Intersection with reachable at e...220
Using saturation style SCC detection
Fast SCC detection found a local SCC at level 0
Using saturation style SCC detection
Fast SCC detection found a local SCC at level 0
(forward)formula 0,0,0.26957,14204,1,0,208,48649,130,111,1971,37109,276
FORMULA PhilosophersDyn-COL-03-CTLFireability-2025-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 51/51 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:32:17] [INFO ] Invariant cache hit.
[2025-06-02 15:32:17] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:17] [INFO ] Deduced a trap composed of 7 places in 48 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1019 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:18] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:19] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:20] [INFO ] Deduced a trap composed of 11 places in 44 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3253 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4287ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4287ms
[2025-06-02 15:32:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:32:21] [INFO ] Implicit Places using invariants in 29 ms returned []
[2025-06-02 15:32:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:32:21] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-02 15:32:21] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:32:21] [INFO ] Invariant cache hit.
[2025-06-02 15:32:21] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:21] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1004 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:23] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:23] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:24] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3211 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4231ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4231ms
Finished structural reductions in LTL mode , in 1 iterations and 8605 ms. Remains : 30/30 places, 51/51 transitions.
[2025-06-02 15:32:26] [INFO ] Flatten gal took : 8 ms
[2025-06-02 15:32:26] [INFO ] Flatten gal took : 5 ms
[2025-06-02 15:32:26] [INFO ] Input system was already deterministic with 51 transitions.
[2025-06-02 15:32:26] [INFO ] Flatten gal took : 5 ms
[2025-06-02 15:32:26] [INFO ] Flatten gal took : 5 ms
[2025-06-02 15:32:26] [INFO ] Time to serialize gal into /tmp/CTLFireability4820794856421830189.gal : 1 ms
[2025-06-02 15:32:26] [INFO ] Time to serialize properties into /tmp/CTLFireability3321353250008953488.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability4820794856421830189.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability3321353250008953488.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,325,0.020192,4476,2,501,5,2420,6,0,180,2376,0


Converting to forward existential form...Done !
original formula: EX((EX(((((((((Neighbourhood_2<1)||(Neighbourhood_3<1))||((Think_0<1)||(Forks_0<1)))&&(((Neighbourhood_8<2)||(Think_2<1))||(Forks_2<1)))&...4414
=> equivalent forward existential formula: [(((EY(Init) * EX(((((((((Neighbourhood_2<1)||(Neighbourhood_3<1))||((Think_0<1)||(Forks_0<1)))&&(((Neighbourhoo...5621
Reverse transition relation is NOT exact ! Due to transitions t15, t16, t17, t18, t19, t20, t21, t22, t23, t24, t25, t26, Intersection with reachable at e...220
Using saturation style SCC detection
Fast SCC detection found a local SCC at level 0
(forward)formula 0,0,0.29328,14460,1,0,195,49795,129,104,2013,39238,256
FORMULA PhilosophersDyn-COL-03-CTLFireability-2025-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 51/51 transitions.
Applied a total of 0 rules in 0 ms. Remains 30 /30 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:32:26] [INFO ] Invariant cache hit.
[2025-06-02 15:32:26] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:26] [INFO ] Deduced a trap composed of 7 places in 34 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1014 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:27] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:28] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:29] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3187 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4219ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4220ms
[2025-06-02 15:32:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:32:30] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-02 15:32:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:32:30] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-02 15:32:30] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:32:30] [INFO ] Invariant cache hit.
[2025-06-02 15:32:30] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:30] [INFO ] Deduced a trap composed of 7 places in 38 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:32] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:32] [INFO ] Deduced a trap composed of 11 places in 52 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:33] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3228 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4281ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4281ms
Finished structural reductions in LTL mode , in 1 iterations and 8564 ms. Remains : 30/30 places, 51/51 transitions.
[2025-06-02 15:32:34] [INFO ] Flatten gal took : 6 ms
[2025-06-02 15:32:34] [INFO ] Flatten gal took : 7 ms
[2025-06-02 15:32:34] [INFO ] Input system was already deterministic with 51 transitions.
[2025-06-02 15:32:34] [INFO ] Flatten gal took : 7 ms
[2025-06-02 15:32:34] [INFO ] Flatten gal took : 7 ms
[2025-06-02 15:32:34] [INFO ] Time to serialize gal into /tmp/CTLFireability10537416968646237055.gal : 1 ms
[2025-06-02 15:32:34] [INFO ] Time to serialize properties into /tmp/CTLFireability14130292362032399923.ctl : 4 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability10537416968646237055.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability14130292362032399923.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,325,0.021122,4472,2,501,5,2420,6,0,180,2376,0


Converting to forward existential form...Done !
original formula: ((AG((((((((Neighbourhood_6>=1)&&(Forks_0>=1))&&(WaitRight_2>=1))||(((Neighbourhood_3>=1)&&(Forks_0>=1))&&(WaitRight_1>=1)))||((((Neighbo...25162
=> equivalent forward existential formula: (([(FwdU(((Init * !((!(E(TRUE U !((((((((Neighbourhood_6>=1)&&(Forks_0>=1))&&(WaitRight_2>=1))||(((Neighbourhood...80014
Reverse transition relation is NOT exact ! Due to transitions t15, t16, t17, t18, t19, t20, t21, t22, t23, t24, t25, t26, Intersection with reachable at e...220
Using saturation style SCC detection
(forward)formula 0,1,0.735529,19892,1,0,274,67380,151,160,2169,58986,396
FORMULA PhilosophersDyn-COL-03-CTLFireability-2025-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in SI_CTL mode, iteration 0 : 30/30 places, 51/51 transitions.
Applied a total of 0 rules in 3 ms. Remains 30 /30 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:32:35] [INFO ] Invariant cache hit.
[2025-06-02 15:32:35] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:35] [INFO ] Deduced a trap composed of 7 places in 38 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 998 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:37] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:37] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:38] [INFO ] Deduced a trap composed of 11 places in 45 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3217 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4233ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4233ms
[2025-06-02 15:32:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:32:40] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-02 15:32:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:32:40] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-02 15:32:40] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 15:32:40] [INFO ] Redundant transitions in 0 ms returned []
Running 48 sub problems to find dead transitions.
[2025-06-02 15:32:40] [INFO ] Invariant cache hit.
[2025-06-02 15:32:40] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:40] [INFO ] Deduced a trap composed of 7 places in 37 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1023 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:41] [INFO ] Deduced a trap composed of 11 places in 43 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:41] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:42] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3149 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4187ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4187ms
Finished structural reductions in SI_CTL mode , in 1 iterations and 8503 ms. Remains : 30/30 places, 51/51 transitions.
[2025-06-02 15:32:44] [INFO ] Flatten gal took : 5 ms
[2025-06-02 15:32:44] [INFO ] Flatten gal took : 4 ms
[2025-06-02 15:32:44] [INFO ] Input system was already deterministic with 51 transitions.
[2025-06-02 15:32:44] [INFO ] Flatten gal took : 4 ms
[2025-06-02 15:32:44] [INFO ] Flatten gal took : 4 ms
[2025-06-02 15:32:44] [INFO ] Time to serialize gal into /tmp/CTLFireability4749713978107073023.gal : 1 ms
[2025-06-02 15:32:44] [INFO ] Time to serialize properties into /tmp/CTLFireability16710295322946509366.ctl : 2 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability4749713978107073023.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability16710295322946509366.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,325,0.020931,4472,2,501,5,2420,6,0,180,2376,0


Converting to forward existential form...Done !
original formula: E(AG(((((A(((!((((Forks_2>=1)&&(WaitLeft_2>=1))||((Forks_1>=1)&&(WaitLeft_1>=1)))||((Forks_0>=1)&&(WaitLeft_0>=1))))&&(!(((Think_0>=1)||(...8186
=> equivalent forward existential formula: [((FwdU(Init,!(E(TRUE U !(((((!((E(!(!((E(!(((((Forks_2>=1)&&(WaitLeft_2>=1))||((Forks_1>=1)&&(WaitLeft_1>=1)))|...13183
Reverse transition relation is NOT exact ! Due to transitions t15, t16, t17, t18, t19, t20, t21, t22, t23, t24, t25, t26, Intersection with reachable at e...220
(forward)formula 0,0,0.432722,17400,1,0,249,60038,149,140,2101,51212,360
FORMULA PhilosophersDyn-COL-03-CTLFireability-2025-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in SI_CTL mode, iteration 0 : 30/30 places, 51/51 transitions.
Applied a total of 0 rules in 5 ms. Remains 30 /30 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:32:44] [INFO ] Invariant cache hit.
[2025-06-02 15:32:44] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:44] [INFO ] Deduced a trap composed of 7 places in 41 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1013 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:46] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:46] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:47] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3240 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4266ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4266ms
[2025-06-02 15:32:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:32:49] [INFO ] Implicit Places using invariants in 29 ms returned []
[2025-06-02 15:32:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:32:49] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-02 15:32:49] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 15:32:49] [INFO ] Redundant transitions in 0 ms returned []
Running 48 sub problems to find dead transitions.
[2025-06-02 15:32:49] [INFO ] Invariant cache hit.
[2025-06-02 15:32:49] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:49] [INFO ] Deduced a trap composed of 7 places in 35 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1051 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:50] [INFO ] Deduced a trap composed of 11 places in 43 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:51] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:51] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3155 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4220ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4220ms
Finished structural reductions in SI_CTL mode , in 1 iterations and 8585 ms. Remains : 30/30 places, 51/51 transitions.
[2025-06-02 15:32:53] [INFO ] Flatten gal took : 7 ms
[2025-06-02 15:32:53] [INFO ] Flatten gal took : 4 ms
[2025-06-02 15:32:53] [INFO ] Input system was already deterministic with 51 transitions.
[2025-06-02 15:32:53] [INFO ] Flatten gal took : 5 ms
[2025-06-02 15:32:53] [INFO ] Flatten gal took : 5 ms
[2025-06-02 15:32:53] [INFO ] Time to serialize gal into /tmp/CTLFireability14142431157264659267.gal : 1 ms
[2025-06-02 15:32:53] [INFO ] Time to serialize properties into /tmp/CTLFireability14931581966377637059.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability14142431157264659267.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability14931581966377637059.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,325,0.020542,4476,2,501,5,2420,6,0,180,2376,0


Converting to forward existential form...Done !
original formula: AG((((((AG(((EF(((((((((Neighbourhood_2>=1)&&(Neighbourhood_3>=1))&&((Think_0>=1)&&(Forks_0>=1)))||(((Neighbourhood_8>=2)&&(Think_2>=1))&...7098
=> equivalent forward existential formula: ((((([(((FwdU(FwdU(Init,TRUE),TRUE) * !((((Forks_1>=1)&&(WaitLeft_1>=1))||((Forks_0>=1)&&(WaitLeft_0>=1))))) * !...7664
(forward)formula 0,0,0.030415,4732,1,0,8,2420,9,2,283,2376,1
FORMULA PhilosophersDyn-COL-03-CTLFireability-2025-04 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in SI_CTL mode, iteration 0 : 30/30 places, 51/51 transitions.
Applied a total of 0 rules in 3 ms. Remains 30 /30 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:32:53] [INFO ] Invariant cache hit.
[2025-06-02 15:32:53] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:53] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1024 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:55] [INFO ] Deduced a trap composed of 11 places in 45 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:55] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:56] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3238 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4277ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4278ms
[2025-06-02 15:32:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:32:57] [INFO ] Implicit Places using invariants in 37 ms returned []
[2025-06-02 15:32:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:32:57] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-02 15:32:57] [INFO ] Implicit Places using invariants and state equation in 83 ms returned []
Implicit Place search using SMT with State Equation took 121 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 15:32:57] [INFO ] Redundant transitions in 1 ms returned []
Running 48 sub problems to find dead transitions.
[2025-06-02 15:32:57] [INFO ] Invariant cache hit.
[2025-06-02 15:32:57] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:57] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1038 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:59] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:32:59] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:00] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 1 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3180 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4232ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4233ms
Finished structural reductions in SI_CTL mode , in 1 iterations and 8642 ms. Remains : 30/30 places, 51/51 transitions.
[2025-06-02 15:33:02] [INFO ] Flatten gal took : 9 ms
[2025-06-02 15:33:02] [INFO ] Flatten gal took : 3 ms
[2025-06-02 15:33:02] [INFO ] Input system was already deterministic with 51 transitions.
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
FORMULA PhilosophersDyn-COL-03-CTLFireability-2025-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-06-02 15:33:02] [INFO ] Flatten gal took : 5 ms
[2025-06-02 15:33:02] [INFO ] Flatten gal took : 4 ms
[2025-06-02 15:33:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18348291249679914930.gal : 1 ms
[2025-06-02 15:33:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4406948350418210643.prop : 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-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality18348291249679914930.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4406948350418210643.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 51/51 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:33:02] [INFO ] Invariant cache hit.
[2025-06-02 15:33:02] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:02] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1016 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:03] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:04] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:04] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3142 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4176ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4176ms
[2025-06-02 15:33:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:33:06] [INFO ] Implicit Places using invariants in 53 ms returned []
[2025-06-02 15:33:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:33:06] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-02 15:33:06] [INFO ] Implicit Places using invariants and state equation in 90 ms returned []
Implicit Place search using SMT with State Equation took 145 ms to find 0 implicit places.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:33:06] [INFO ] Invariant cache hit.
[2025-06-02 15:33:06] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:06] [INFO ] Deduced a trap composed of 7 places in 30 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1014 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:08] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:08] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:09] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3125 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4154ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4154ms
Finished structural reductions in LTL mode , in 1 iterations and 8476 ms. Remains : 30/30 places, 51/51 transitions.
[2025-06-02 15:33:10] [INFO ] Flatten gal took : 7 ms
[2025-06-02 15:33:10] [INFO ] Flatten gal took : 4 ms
[2025-06-02 15:33:10] [INFO ] Input system was already deterministic with 51 transitions.
[2025-06-02 15:33:10] [INFO ] Flatten gal took : 3 ms
[2025-06-02 15:33:10] [INFO ] Flatten gal took : 3 ms
[2025-06-02 15:33:10] [INFO ] Time to serialize gal into /tmp/CTLFireability12979584239849640640.gal : 1 ms
[2025-06-02 15:33:10] [INFO ] Time to serialize properties into /tmp/CTLFireability16810214131623937917.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability12979584239849640640.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability16810214131623937917.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,325,0.023882,4472,2,501,5,2420,6,0,180,2376,0


Converting to forward existential form...Done !
original formula: EX((((Think_0<1)&&(Think_1<1))&&(Think_2<1)))
=> equivalent forward existential formula: [(EY(Init) * (((Think_0<1)&&(Think_1<1))&&(Think_2<1)))] != FALSE
(forward)formula 0,0,0.02545,4728,1,0,8,2420,8,1,331,2376,2
FORMULA PhilosophersDyn-COL-03-CTLFireability-2025-06 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in SI_CTL mode, iteration 0 : 30/30 places, 51/51 transitions.
Applied a total of 0 rules in 5 ms. Remains 30 /30 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:33:10] [INFO ] Invariant cache hit.
[2025-06-02 15:33:10] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:10] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1015 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:12] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:12] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:13] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 3 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3156 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4184ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4184ms
[2025-06-02 15:33:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:33:14] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-06-02 15:33:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:33:14] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-02 15:33:14] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 15:33:14] [INFO ] Redundant transitions in 1 ms returned []
Running 48 sub problems to find dead transitions.
[2025-06-02 15:33:14] [INFO ] Invariant cache hit.
[2025-06-02 15:33:14] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:15] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1031 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:16] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:16] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:17] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3200 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4248ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4249ms
Finished structural reductions in SI_CTL mode , in 1 iterations and 8532 ms. Remains : 30/30 places, 51/51 transitions.
[2025-06-02 15:33:19] [INFO ] Flatten gal took : 7 ms
[2025-06-02 15:33:19] [INFO ] Flatten gal took : 4 ms
[2025-06-02 15:33:19] [INFO ] Input system was already deterministic with 51 transitions.
[2025-06-02 15:33:19] [INFO ] Flatten gal took : 4 ms
[2025-06-02 15:33:19] [INFO ] Flatten gal took : 6 ms
[2025-06-02 15:33:19] [INFO ] Time to serialize gal into /tmp/CTLFireability396623893479808868.gal : 1 ms
[2025-06-02 15:33:19] [INFO ] Time to serialize properties into /tmp/CTLFireability14052727933957808938.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability396623893479808868.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability14052727933957808938.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,325,0.024711,4472,2,501,5,2420,6,0,180,2376,0


Converting to forward existential form...Done !
original formula: A(!(((((((((Neighbourhood_2<1)||(Neighbourhood_3<1))||((Think_0<1)||(Forks_0<1)))&&(((Neighbourhood_8<2)||(Think_2<1))||(Forks_2<1)))&&((...3635
=> equivalent forward existential formula: [((Init * !(EG(!(!(!(EG(!((!((((((((Neighbourhood_6>=1)&&(Forks_0>=1))&&(WaitRight_2>=1))||(((Neighbourhood_3>=1...10291
Reverse transition relation is NOT exact ! Due to transitions t15, t16, t17, t18, t19, t20, t21, t22, t23, t24, t25, t26, Intersection with reachable at e...220
(forward)formula 0,1,0.362457,13304,1,0,172,42877,130,87,1943,34838,224
FORMULA PhilosophersDyn-COL-03-CTLFireability-2025-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 51/51 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:33:19] [INFO ] Invariant cache hit.
[2025-06-02 15:33:19] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:19] [INFO ] Deduced a trap composed of 7 places in 37 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 975 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:21] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:21] [INFO ] Deduced a trap composed of 11 places in 44 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:22] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3269 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4269ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4269ms
[2025-06-02 15:33:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:33:23] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-06-02 15:33:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:33:23] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-02 15:33:23] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:33:23] [INFO ] Invariant cache hit.
[2025-06-02 15:33:23] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:24] [INFO ] Deduced a trap composed of 7 places in 35 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1052 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:25] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:25] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:26] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 1 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3199 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4268ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4268ms
Finished structural reductions in LTL mode , in 1 iterations and 8614 ms. Remains : 30/30 places, 51/51 transitions.
[2025-06-02 15:33:28] [INFO ] Flatten gal took : 7 ms
[2025-06-02 15:33:28] [INFO ] Flatten gal took : 4 ms
[2025-06-02 15:33:28] [INFO ] Input system was already deterministic with 51 transitions.
[2025-06-02 15:33:28] [INFO ] Flatten gal took : 4 ms
[2025-06-02 15:33:28] [INFO ] Flatten gal took : 4 ms
[2025-06-02 15:33:28] [INFO ] Time to serialize gal into /tmp/CTLFireability2171418571973380868.gal : 1 ms
[2025-06-02 15:33:28] [INFO ] Time to serialize properties into /tmp/CTLFireability3975570202957397936.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability2171418571973380868.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability3975570202957397936.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,325,0.020084,4472,2,501,5,2420,6,0,180,2376,0


Converting to forward existential form...Done !
original formula: EX(E(!(EG((((Think_0>=1)||(Think_1>=1))||(Think_2>=1)))) U (((AX((((((((Neighbourhood_6>=1)&&(Forks_0>=1))&&(WaitRight_2>=1))||(((Neighbo...6017
=> equivalent forward existential formula: ([(((FwdU(EY(Init),!(EG((((Think_0>=1)||(Think_1>=1))||(Think_2>=1))))) * (!(EX(!((((((((Neighbourhood_6>=1)&&(F...6293
Reverse transition relation is NOT exact ! Due to transitions t15, t16, t17, t18, t19, t20, t21, t22, t23, t24, t25, t26, Intersection with reachable at e...220
(forward)formula 0,0,0.218523,12024,1,0,152,36628,138,78,2087,26311,188
FORMULA PhilosophersDyn-COL-03-CTLFireability-2025-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 51/51 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:33:28] [INFO ] Invariant cache hit.
[2025-06-02 15:33:28] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:28] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1056 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:30] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:30] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:31] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3172 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4245ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4245ms
[2025-06-02 15:33:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:33:32] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-06-02 15:33:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:33:32] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-02 15:33:32] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 83 ms to find 0 implicit places.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:33:32] [INFO ] Invariant cache hit.
[2025-06-02 15:33:32] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:32] [INFO ] Deduced a trap composed of 7 places in 30 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 997 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:34] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:34] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:35] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3155 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4185ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4185ms
Finished structural reductions in LTL mode , in 1 iterations and 8514 ms. Remains : 30/30 places, 51/51 transitions.
[2025-06-02 15:33:37] [INFO ] Flatten gal took : 6 ms
[2025-06-02 15:33:37] [INFO ] Flatten gal took : 4 ms
[2025-06-02 15:33:37] [INFO ] Input system was already deterministic with 51 transitions.
[2025-06-02 15:33:37] [INFO ] Flatten gal took : 3 ms
[2025-06-02 15:33:37] [INFO ] Flatten gal took : 2 ms
[2025-06-02 15:33:37] [INFO ] Time to serialize gal into /tmp/CTLFireability6439468164196418749.gal : 1 ms
[2025-06-02 15:33:37] [INFO ] Time to serialize properties into /tmp/CTLFireability13930703045420551071.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability6439468164196418749.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability13930703045420551071.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,325,0.022819,4472,2,501,5,2420,6,0,180,2376,0


Converting to forward existential form...Done !
original formula: EF(AG(A(((((((!(((Outside_0>=1)&&(Outside_1>=1))&&(Outside_2>=1)))||(((Neighbourhood_4>=1)&&(Outside_1>=1))&&(Forks_1>=2)))||((((Neighbou...2482
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U !(!((E(!(!(EX((((((((Neighbourhood_6>=1)&&(Forks_0>=1))&&(WaitRight_2>=1))||(((Ne...3661
Reverse transition relation is NOT exact ! Due to transitions t15, t16, t17, t18, t19, t20, t21, t22, t23, t24, t25, t26, Intersection with reachable at e...220
Using saturation style SCC detection
Fast SCC detection found a local SCC at level 0
(forward)formula 0,1,0.159823,9592,1,0,117,26608,124,56,1981,17393,131
FORMULA PhilosophersDyn-COL-03-CTLFireability-2025-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 51/51 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:33:37] [INFO ] Invariant cache hit.
[2025-06-02 15:33:37] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:37] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 999 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:38] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:39] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:39] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 1 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3155 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4169ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4170ms
[2025-06-02 15:33:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:33:41] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-06-02 15:33:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:33:41] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-02 15:33:41] [INFO ] Implicit Places using invariants and state equation in 76 ms returned []
Implicit Place search using SMT with State Equation took 104 ms to find 0 implicit places.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:33:41] [INFO ] Invariant cache hit.
[2025-06-02 15:33:41] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:41] [INFO ] Deduced a trap composed of 7 places in 26 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1032 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:43] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:43] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:44] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3158 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4204ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4204ms
Finished structural reductions in LTL mode , in 1 iterations and 8481 ms. Remains : 30/30 places, 51/51 transitions.
[2025-06-02 15:33:45] [INFO ] Flatten gal took : 9 ms
[2025-06-02 15:33:45] [INFO ] Flatten gal took : 3 ms
[2025-06-02 15:33:45] [INFO ] Input system was already deterministic with 51 transitions.
[2025-06-02 15:33:45] [INFO ] Flatten gal took : 3 ms
[2025-06-02 15:33:45] [INFO ] Flatten gal took : 3 ms
[2025-06-02 15:33:45] [INFO ] Time to serialize gal into /tmp/CTLFireability16883235309380256118.gal : 1 ms
[2025-06-02 15:33:45] [INFO ] Time to serialize properties into /tmp/CTLFireability2496574904881505504.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability16883235309380256118.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability2496574904881505504.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,325,0.023722,4468,2,501,5,2420,6,0,180,2376,0


Converting to forward existential form...Done !
original formula: EF(AX(AF(((((((((Neighbourhood_4>=1)&&(Outside_1>=1))&&(Forks_1>=2))||(((Neighbourhood_5>=1)&&(Outside_1>=1))&&((Forks_1>=1)&&(Forks_2>=1...1934
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(EX(!(!(EG(!(((((((((Neighbourhood_4>=1)&&(Outside_1>=1))&&(Forks_1>=2))||(((Neighbourhood_...1998
Reverse transition relation is NOT exact ! Due to transitions t15, t16, t17, t18, t19, t20, t21, t22, t23, t24, t25, t26, Intersection with reachable at e...220
(forward)formula 0,1,0.160541,9972,1,0,132,27901,116,63,1939,22083,159
FORMULA PhilosophersDyn-COL-03-CTLFireability-2025-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 51/51 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:33:45] [INFO ] Invariant cache hit.
[2025-06-02 15:33:45] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:46] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 994 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:47] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:47] [INFO ] Deduced a trap composed of 11 places in 45 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:48] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3058 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4076ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4076ms
[2025-06-02 15:33:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:33:49] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-06-02 15:33:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:33:50] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-02 15:33:50] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:33:50] [INFO ] Invariant cache hit.
[2025-06-02 15:33:50] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:50] [INFO ] Deduced a trap composed of 7 places in 26 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 970 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:51] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:51] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:52] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3043 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4036ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4036ms
Finished structural reductions in LTL mode , in 1 iterations and 8195 ms. Remains : 30/30 places, 51/51 transitions.
[2025-06-02 15:33:54] [INFO ] Flatten gal took : 9 ms
[2025-06-02 15:33:54] [INFO ] Flatten gal took : 3 ms
[2025-06-02 15:33:54] [INFO ] Input system was already deterministic with 51 transitions.
[2025-06-02 15:33:54] [INFO ] Flatten gal took : 2 ms
[2025-06-02 15:33:54] [INFO ] Flatten gal took : 3 ms
[2025-06-02 15:33:54] [INFO ] Time to serialize gal into /tmp/CTLFireability15248967754834571621.gal : 0 ms
[2025-06-02 15:33:54] [INFO ] Time to serialize properties into /tmp/CTLFireability1159661346240312241.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability15248967754834571621.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability1159661346240312241.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,325,0.02203,4472,2,501,5,2420,6,0,180,2376,0


Converting to forward existential form...Done !
original formula: AX(AX(EF((!(E((((Outside_0>=1)&&(Outside_1>=1))&&(Outside_2>=1)) U ((((Forks_2>=1)&&(WaitLeft_2>=1))||((Forks_1>=1)&&(WaitLeft_1>=1)))||(...2045
=> equivalent forward existential formula: [(EY(EY(Init)) * !(E(TRUE U (!(E((((Outside_0>=1)&&(Outside_1>=1))&&(Outside_2>=1)) U ((((Forks_2>=1)&&(WaitLeft...2098
Reverse transition relation is NOT exact ! Due to transitions t15, t16, t17, t18, t19, t20, t21, t22, t23, t24, t25, t26, Intersection with reachable at e...220
(forward)formula 0,0,0.090349,7160,1,0,106,15849,119,45,1890,10227,113
FORMULA PhilosophersDyn-COL-03-CTLFireability-2025-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 51/51 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:33:54] [INFO ] Invariant cache hit.
[2025-06-02 15:33:54] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:54] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 957 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:55] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:56] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:56] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3138 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4113ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4114ms
[2025-06-02 15:33:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:33:58] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-06-02 15:33:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:33:58] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-02 15:33:58] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:33:58] [INFO ] Invariant cache hit.
[2025-06-02 15:33:58] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:58] [INFO ] Deduced a trap composed of 7 places in 30 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1023 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:33:59] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:34:00] [INFO ] Deduced a trap composed of 11 places in 45 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:34:01] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3145 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4181ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4181ms
Finished structural reductions in LTL mode , in 1 iterations and 8378 ms. Remains : 30/30 places, 51/51 transitions.
[2025-06-02 15:34:02] [INFO ] Flatten gal took : 6 ms
[2025-06-02 15:34:02] [INFO ] Flatten gal took : 3 ms
[2025-06-02 15:34:02] [INFO ] Input system was already deterministic with 51 transitions.
[2025-06-02 15:34:02] [INFO ] Flatten gal took : 5 ms
[2025-06-02 15:34:02] [INFO ] Flatten gal took : 3 ms
[2025-06-02 15:34:02] [INFO ] Time to serialize gal into /tmp/CTLFireability9762018029492461920.gal : 0 ms
[2025-06-02 15:34:02] [INFO ] Time to serialize properties into /tmp/CTLFireability15890932801850727940.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability9762018029492461920.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability15890932801850727940.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,325,0.020931,4472,2,501,5,2420,6,0,180,2376,0


Converting to forward existential form...Done !
original formula: (EG(E(EX(EG(((((Forks_2>=1)&&(WaitLeft_2>=1))||((Forks_1>=1)&&(WaitLeft_1>=1)))||((Forks_0>=1)&&(WaitLeft_0>=1))))) U !(((((((((Neighbour...3234
=> equivalent forward existential formula: (((([(FwdU(FwdU((Init * EG(E(EX(EG(((((Forks_2>=1)&&(WaitLeft_2>=1))||((Forks_1>=1)&&(WaitLeft_1>=1)))||((Forks_...11853
Reverse transition relation is NOT exact ! Due to transitions t15, t16, t17, t18, t19, t20, t21, t22, t23, t24, t25, t26, Intersection with reachable at e...220
Using saturation style SCC detection
(forward)formula 0,0,0.156662,9848,1,0,135,23334,137,60,2028,16468,171
FORMULA PhilosophersDyn-COL-03-CTLFireability-2025-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 51/51 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 51/51 (removed 0) transitions.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:34:02] [INFO ] Invariant cache hit.
[2025-06-02 15:34:02] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:34:02] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1018 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:34:04] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:34:04] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:34:05] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3030 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4070ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4071ms
[2025-06-02 15:34:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:34:06] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-06-02 15:34:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 15:34:06] [INFO ] State equation strengthened by 30 read => feed constraints.
[2025-06-02 15:34:06] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
Running 48 sub problems to find dead transitions.
[2025-06-02 15:34:06] [INFO ] Invariant cache hit.
[2025-06-02 15:34:06] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:34:07] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/81 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 81/81 variables, and 72 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1001 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 51/81 variables, 30/42 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 30/72 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 48/120 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:34:08] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:34:08] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/81 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/81 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 15:34:09] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/81 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/81 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 81/81 variables, and 123 constraints, problems are : Problem set: 0 solved, 48 unsolved in 3210 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 30/30 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4230ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4230ms
Finished structural reductions in LTL mode , in 1 iterations and 8356 ms. Remains : 30/30 places, 51/51 transitions.
[2025-06-02 15:34:11] [INFO ] Flatten gal took : 7 ms
[2025-06-02 15:34:11] [INFO ] Flatten gal took : 4 ms
[2025-06-02 15:34:11] [INFO ] Input system was already deterministic with 51 transitions.
[2025-06-02 15:34:11] [INFO ] Flatten gal took : 4 ms
[2025-06-02 15:34:11] [INFO ] Flatten gal took : 4 ms
[2025-06-02 15:34:11] [INFO ] Time to serialize gal into /tmp/CTLFireability13680310000315529593.gal : 0 ms
[2025-06-02 15:34:11] [INFO ] Time to serialize properties into /tmp/CTLFireability9531417179068753432.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability13680310000315529593.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability9531417179068753432.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,325,0.022773,4476,2,501,5,2420,6,0,180,2376,0


Converting to forward existential form...Done !
original formula: (EF(EG((((((((Neighbourhood_2<1)||(HasLeft_0<1))||(HasRight_0<1))&&(((Neighbourhood_3<1)||(HasLeft_1<1))||(HasRight_1<1)))&&((((Neighbour...10325
=> equivalent forward existential formula: ([(((Init * E(TRUE U EG((((((((Neighbourhood_2<1)||(HasLeft_0<1))||(HasRight_0<1))&&(((Neighbourhood_3<1)||(HasL...40542
Reverse transition relation is NOT exact ! Due to transitions t15, t16, t17, t18, t19, t20, t21, t22, t23, t24, t25, t26, Intersection with reachable at e...220
Using saturation style SCC detection
Fast SCC detection found a local SCC at level 0
(forward)formula 0,0,0.468197,16380,1,0,212,50830,157,117,2226,40547,311
FORMULA PhilosophersDyn-COL-03-CTLFireability-2025-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-02 15:34:11] [INFO ] Flatten gal took : 5 ms
[2025-06-02 15:34:11] [INFO ] Flatten gal took : 2 ms
Total runtime 131159 ms.

BK_STOP 1748878451696

--------------------
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
+ [[ CTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution CTLFireability -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 CTLFireability -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="PhilosophersDyn-COL-03"
export BK_EXAMINATION="CTLFireability"
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 PhilosophersDyn-COL-03, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r156-tall-174881253500194"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PhilosophersDyn-COL-03.tgz
mv PhilosophersDyn-COL-03 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;