Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028900690.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 CSRepetitions-COL-02, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028900690
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 564K
-rw-r--r-- 1 mcc users 9.1K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 68K 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 6.5K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 5.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 19K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 160K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 84K 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 3.9K 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 13K 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 CSRepetitions-COL-02-CTLFireability-2025-00
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-2025-01
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-2025-02
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-2025-03
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-2025-04
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-2025-05
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-2025-06
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-2025-07
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-2025-08
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-2025-09
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-2025-10
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-2025-11
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-2025-12
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-2025-13
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-2025-14
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748641802039

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CSRepetitions-COL-02
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
CTLFireability COL
Running Version 202505121319
[2025-05-30 21:50:03] [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]
[2025-05-30 21:50:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 21:50:03] [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.
[2025-05-30 21:50:03] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-05-30 21:50:03] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 525 ms
[2025-05-30 21:50:03] [INFO ] Imported 6 HL places and 5 HL transitions for a total of 23 PT places and 28.0 transition bindings in 14 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 18 ms.
[2025-05-30 21:50:03] [INFO ] Built PT skeleton of HLPN with 6 places and 5 transitions 15 arcs in 4 ms.
[2025-05-30 21:50:03] [INFO ] Skeletonized 16 HLPN properties in 2 ms.
Initial state reduction rules removed 2 formulas.
FORMULA CSRepetitions-COL-02-CTLFireability-2025-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CSRepetitions-COL-02-CTLFireability-2025-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 1 stable transitions
Remains 2 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 1 stable transitions
Reduction of identical properties reduced properties to check from 5 to 4
RANDOM walk for 75 steps (3 resets) in 8 ms. (8 steps per ms) remains 0/4 properties
[2025-05-30 21:50:04] [INFO ] Flatten gal took : 10 ms
[2025-05-30 21:50:04] [INFO ] Flatten gal took : 1 ms
Transition Send_Answer forces synchronizations/join behavior on parameter c of sort Client
Symmetric sort wr.t. initial and guards and successors and join/free detected :Server
Symmetric sort wr.t. initial detected :Server
Symmetric sort wr.t. initial and guards detected :Server
Applying symmetric unfolding of full symmetric sort :Server domain size was 2
[2025-05-30 21:50:04] [INFO ] Unfolded HLPN to a Petri net with 18 places and 20 transitions 60 arcs in 30 ms.
[2025-05-30 21:50:04] [INFO ] Unfolded 14 HLPN properties in 0 ms.
Support contains 18 out of 18 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 20/20 transitions.
Applied a total of 0 rules in 3 ms. Remains 18 /18 variables (removed 0) and now considering 20/20 (removed 0) transitions.
// Phase 1: matrix 20 rows 18 cols
[2025-05-30 21:50:04] [INFO ] Computed 5 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:04] [INFO ] Implicit Places using invariants in 111 ms returned []
[2025-05-30 21:50:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:04] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 21:50:04] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 187 ms to find 0 implicit places.
Running 16 sub problems to find dead transitions.
[2025-05-30 21:50:04] [INFO ] Invariant cache hit.
[2025-05-30 21:50:04] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 38/38 variables, and 27 constraints, problems are : Problem set: 0 solved, 16 unsolved in 322 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 16/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 38/38 variables, and 43 constraints, problems are : Problem set: 0 solved, 16 unsolved in 230 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 577ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 585ms
Finished structural reductions in LTL mode , in 1 iterations and 786 ms. Remains : 18/18 places, 20/20 transitions.
Support contains 18 out of 18 places after structural reductions.
[2025-05-30 21:50:04] [INFO ] Flatten gal took : 7 ms
[2025-05-30 21:50:04] [INFO ] Flatten gal took : 9 ms
[2025-05-30 21:50:05] [INFO ] Input system was already deterministic with 20 transitions.
Reduction of identical properties reduced properties to check from 31 to 22
RANDOM walk for 40000 steps (2339 resets) in 665 ms. (60 steps per ms) remains 2/22 properties
BEST_FIRST walk for 40004 steps (506 resets) in 201 ms. (198 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (568 resets) in 116 ms. (341 steps per ms) remains 2/2 properties
[2025-05-30 21:50:05] [INFO ] Invariant cache hit.
[2025-05-30 21:50:05] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem AtomicPropp4 is UNSAT
Problem AtomicPropp20 is UNSAT
After SMT solving in domain Real declared 8/38 variables, and 0 constraints, problems are : Problem set: 2 solved, 0 unsolved in 15 ms.
Refiners :[Positive P Invariants (semi-flows): 0/5 constraints, State Equation: 0/18 constraints, ReadFeed: 0/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 19ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 2 atomic propositions for a total of 14 simplifications.
[2025-05-30 21:50:05] [INFO ] Flatten gal took : 6 ms
[2025-05-30 21:50:05] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
FORMULA CSRepetitions-COL-02-CTLFireability-2025-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-05-30 21:50:05] [INFO ] Flatten gal took : 7 ms
[2025-05-30 21:50:05] [INFO ] Input system was already deterministic with 20 transitions.
Computed a total of 0 stabilizing places and 4 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 20/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 18 /18 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2025-05-30 21:50:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:05] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-05-30 21:50:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:05] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 21:50:05] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Running 16 sub problems to find dead transitions.
[2025-05-30 21:50:05] [INFO ] Invariant cache hit.
[2025-05-30 21:50:05] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 38/38 variables, and 27 constraints, problems are : Problem set: 0 solved, 16 unsolved in 189 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 16/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 38/38 variables, and 43 constraints, problems are : Problem set: 0 solved, 16 unsolved in 196 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 391ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 391ms
Finished structural reductions in LTL mode , in 1 iterations and 446 ms. Remains : 18/18 places, 20/20 transitions.
[2025-05-30 21:50:05] [INFO ] Flatten gal took : 3 ms
[2025-05-30 21:50:05] [INFO ] Flatten gal took : 3 ms
[2025-05-30 21:50:05] [INFO ] Input system was already deterministic with 20 transitions.
[2025-05-30 21:50:05] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:05] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:05] [INFO ] Time to serialize gal into /tmp/CTLFireability4993098309870088019.gal : 1 ms
[2025-05-30 21:50:05] [INFO ] Time to serialize properties into /tmp/CTLFireability10279411896250732851.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/CTLFireability4993098309870088019.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability10279411896250732851.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,4430,0.027288,4168,2,257,5,1930,6,0,91,2575,0


Converting to forward existential form...Done !
original formula: E(AF((((AX(EX(((((RequestBufferSlots>=1)&&(Client_Sending_3>=1))||((RequestBufferSlots>=1)&&(Client_Sending_0>=1)))||(((RequestBufferSlot...756
=> equivalent forward existential formula: [((FwdU(Init,!(EG(!((((!(EX(!(EX(((((RequestBufferSlots>=1)&&(Client_Sending_3>=1))||((RequestBufferSlots>=1)&&(...826
Reverse transition relation is NOT exact ! Due to transitions t8, t9, t10, t11, t12, t13, t14, t15, t16, t17, t18, t19, Intersection with reachable at eac...217
(forward)formula 0,0,0.05141,5192,1,0,63,8140,62,23,560,8501,50
FORMULA CSRepetitions-COL-02-CTLFireability-2025-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in SI_CTL mode, iteration 0 : 18/18 places, 20/20 transitions.
Applied a total of 0 rules in 5 ms. Remains 18 /18 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2025-05-30 21:50:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:06] [INFO ] Implicit Places using invariants in 25 ms returned []
[2025-05-30 21:50:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:06] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 21:50:06] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 21:50:06] [INFO ] Redundant transitions in 0 ms returned []
Running 16 sub problems to find dead transitions.
[2025-05-30 21:50:06] [INFO ] Invariant cache hit.
[2025-05-30 21:50:06] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 38/38 variables, and 27 constraints, problems are : Problem set: 0 solved, 16 unsolved in 200 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 16/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 38/38 variables, and 43 constraints, problems are : Problem set: 0 solved, 16 unsolved in 181 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 387ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 388ms
Finished structural reductions in SI_CTL mode , in 1 iterations and 459 ms. Remains : 18/18 places, 20/20 transitions.
[2025-05-30 21:50:06] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:06] [INFO ] Flatten gal took : 7 ms
[2025-05-30 21:50:06] [INFO ] Input system was already deterministic with 20 transitions.
[2025-05-30 21:50:06] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:06] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:06] [INFO ] Time to serialize gal into /tmp/CTLFireability16382029171352857147.gal : 0 ms
[2025-05-30 21:50:06] [INFO ] Time to serialize properties into /tmp/CTLFireability7461283876309561718.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/CTLFireability16382029171352857147.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability7461283876309561718.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,4430,0.014498,4212,2,257,5,1930,6,0,91,2575,0


Converting to forward existential form...Done !
original formula: AG(A((((RequestBuffer_0>=1)||(RequestBuffer_1>=1))||((RequestBuffer_2>=1)||(RequestBuffer_3>=1))) U (((E((((Client_Waiting_0>=1)||(Client...942
=> equivalent forward existential formula: ([(FwdU(((((FwdU(FwdU(Init,TRUE),!((((E((((Client_Waiting_0>=1)||(Client_Waiting_1>=1))||((Client_Waiting_2>=1)|...2750
Reverse transition relation is NOT exact ! Due to transitions t8, t9, t10, t11, t12, t13, t14, t15, t16, t17, t18, t19, Intersection with reachable at eac...217
(forward)formula 0,0,0.067381,6644,1,0,95,14206,76,46,590,18360,95
FORMULA CSRepetitions-COL-02-CTLFireability-2025-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 20/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 18 /18 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2025-05-30 21:50:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:06] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-05-30 21:50:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:06] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 21:50:06] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
Running 16 sub problems to find dead transitions.
[2025-05-30 21:50:06] [INFO ] Invariant cache hit.
[2025-05-30 21:50:06] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 38/38 variables, and 27 constraints, problems are : Problem set: 0 solved, 16 unsolved in 171 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 16/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 38/38 variables, and 43 constraints, problems are : Problem set: 0 solved, 16 unsolved in 194 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 372ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 372ms
Finished structural reductions in LTL mode , in 1 iterations and 436 ms. Remains : 18/18 places, 20/20 transitions.
[2025-05-30 21:50:06] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:07] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:07] [INFO ] Input system was already deterministic with 20 transitions.
[2025-05-30 21:50:07] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:07] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:07] [INFO ] Time to serialize gal into /tmp/CTLFireability9804633079481011380.gal : 0 ms
[2025-05-30 21:50:07] [INFO ] Time to serialize properties into /tmp/CTLFireability7763843730565028258.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/CTLFireability9804633079481011380.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability7763843730565028258.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,4430,0.010615,4216,2,257,5,1930,6,0,91,2575,0


Converting to forward existential form...Done !
original formula: AG(EF(EX((((EX((((RequestBuffer_0>=1)||(RequestBuffer_1>=1))||((RequestBuffer_2>=1)||(RequestBuffer_3>=1)))) * ((((RequestBuffer_0>=1)&&(...693
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U EX((((EX((((RequestBuffer_0>=1)||(RequestBuffer_1>=1))||((RequestBuffer_2>=1)||(R...753
Reverse transition relation is NOT exact ! Due to transitions t8, t9, t10, t11, t12, t13, t14, t15, t16, t17, t18, t19, Intersection with reachable at eac...217
(forward)formula 0,0,0.038815,5496,1,0,77,9347,64,32,585,10994,60
FORMULA CSRepetitions-COL-02-CTLFireability-2025-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 20/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2025-05-30 21:50:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:07] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-05-30 21:50:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:07] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 21:50:07] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Running 16 sub problems to find dead transitions.
[2025-05-30 21:50:07] [INFO ] Invariant cache hit.
[2025-05-30 21:50:07] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 38/38 variables, and 27 constraints, problems are : Problem set: 0 solved, 16 unsolved in 174 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 16/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 38/38 variables, and 43 constraints, problems are : Problem set: 0 solved, 16 unsolved in 173 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 370ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 370ms
Finished structural reductions in LTL mode , in 1 iterations and 428 ms. Remains : 18/18 places, 20/20 transitions.
[2025-05-30 21:50:07] [INFO ] Flatten gal took : 3 ms
[2025-05-30 21:50:07] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:07] [INFO ] Input system was already deterministic with 20 transitions.
[2025-05-30 21:50:07] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:07] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:07] [INFO ] Time to serialize gal into /tmp/CTLFireability4462775295626893031.gal : 1 ms
[2025-05-30 21:50:07] [INFO ] Time to serialize properties into /tmp/CTLFireability2708763965913659983.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/CTLFireability4462775295626893031.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability2708763965913659983.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,4430,0.009835,4212,2,257,5,1930,6,0,91,2575,0


Converting to forward existential form...Done !
original formula: AG((AX(((((((((RequestBuffer_0>=1)||(RequestBuffer_1>=1))||((RequestBuffer_2>=1)||(RequestBuffer_3>=1)))||((((RequestBuffer_0>=1)&&(Serve...1773
=> equivalent forward existential formula: ((([(EY(((FwdU(Init,TRUE) * !(!(EX(!(((((((((RequestBuffer_0>=1)||(RequestBuffer_1>=1))||((RequestBuffer_2>=1)||...5766
Reverse transition relation is NOT exact ! Due to transitions t8, t9, t10, t11, t12, t13, t14, t15, t16, t17, t18, t19, Intersection with reachable at eac...217
(forward)formula 0,1,0.096322,6644,1,0,140,13817,78,69,617,16944,159
FORMULA CSRepetitions-COL-02-CTLFireability-2025-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 20/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2025-05-30 21:50:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:07] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-05-30 21:50:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:07] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 21:50:07] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
Running 16 sub problems to find dead transitions.
[2025-05-30 21:50:07] [INFO ] Invariant cache hit.
[2025-05-30 21:50:07] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 38/38 variables, and 27 constraints, problems are : Problem set: 0 solved, 16 unsolved in 165 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 16/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 38/38 variables, and 43 constraints, problems are : Problem set: 0 solved, 16 unsolved in 181 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 352ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 353ms
Finished structural reductions in LTL mode , in 1 iterations and 415 ms. Remains : 18/18 places, 20/20 transitions.
[2025-05-30 21:50:08] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:08] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:08] [INFO ] Input system was already deterministic with 20 transitions.
[2025-05-30 21:50:08] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:08] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:08] [INFO ] Time to serialize gal into /tmp/CTLFireability18142033925230586656.gal : 1 ms
[2025-05-30 21:50:08] [INFO ] Time to serialize properties into /tmp/CTLFireability7700016338852980968.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/CTLFireability18142033925230586656.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability7700016338852980968.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,4430,0.010473,4208,2,257,5,1930,6,0,91,2575,0


Converting to forward existential form...Done !
original formula: AG((EF((AF(((((RequestBuffer_0<1)||(Server_Waiting<1))&&((RequestBuffer_1<1)||(Server_Waiting<1)))&&(((RequestBuffer_3<1)||(Server_Waitin...2393
=> equivalent forward existential formula: ([(FwdU(Init,TRUE) * !(E(TRUE U (!(EG(!(((((RequestBuffer_0<1)||(Server_Waiting<1))&&((RequestBuffer_1<1)||(Serv...16414
Reverse transition relation is NOT exact ! Due to transitions t8, t9, t10, t11, t12, t13, t14, t15, t16, t17, t18, t19, Intersection with reachable at eac...217
Using saturation style SCC detection
Using saturation style SCC detection
(forward)formula 0,1,0.336687,14448,1,0,373,56342,103,224,644,79145,485
FORMULA CSRepetitions-COL-02-CTLFireability-2025-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 20/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 18 /18 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2025-05-30 21:50:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:08] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-05-30 21:50:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:08] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 21:50:08] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
Running 16 sub problems to find dead transitions.
[2025-05-30 21:50:08] [INFO ] Invariant cache hit.
[2025-05-30 21:50:08] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 38/38 variables, and 27 constraints, problems are : Problem set: 0 solved, 16 unsolved in 214 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 16/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 38/38 variables, and 43 constraints, problems are : Problem set: 0 solved, 16 unsolved in 174 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 392ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 393ms
Finished structural reductions in LTL mode , in 1 iterations and 436 ms. Remains : 18/18 places, 20/20 transitions.
[2025-05-30 21:50:08] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:08] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:08] [INFO ] Input system was already deterministic with 20 transitions.
[2025-05-30 21:50:08] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:08] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:08] [INFO ] Time to serialize gal into /tmp/CTLFireability13051982177074870539.gal : 0 ms
[2025-05-30 21:50:08] [INFO ] Time to serialize properties into /tmp/CTLFireability86372535582788601.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/CTLFireability13051982177074870539.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability86372535582788601.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 -...282
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,4430,0.011153,4212,2,257,5,1930,6,0,91,2575,0


Converting to forward existential form...Done !
original formula: AX(E((!(((E(((((Client_Sending_1>=1)&&(Server_Anwering_1>=1))||((Client_Sending_3>=1)&&(Server_Anwering_3>=1)))||(((Client_Sending_0>=1)&...1544
=> equivalent forward existential formula: [(EY(Init) * !(E((!(((E(((((Client_Sending_1>=1)&&(Server_Anwering_1>=1))||((Client_Sending_3>=1)&&(Server_Anwer...1848
Reverse transition relation is NOT exact ! Due to transitions t8, t9, t10, t11, t12, t13, t14, t15, t16, t17, t18, t19, Intersection with reachable at eac...217
(forward)formula 0,0,0.132032,9844,1,0,255,32106,91,136,608,43415,331
FORMULA CSRepetitions-COL-02-CTLFireability-2025-06 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 20/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2025-05-30 21:50:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:08] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-05-30 21:50:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:09] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 21:50:09] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
Running 16 sub problems to find dead transitions.
[2025-05-30 21:50:09] [INFO ] Invariant cache hit.
[2025-05-30 21:50:09] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 38/38 variables, and 27 constraints, problems are : Problem set: 0 solved, 16 unsolved in 180 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 16/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 38/38 variables, and 43 constraints, problems are : Problem set: 0 solved, 16 unsolved in 180 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 365ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 366ms
Finished structural reductions in LTL mode , in 1 iterations and 411 ms. Remains : 18/18 places, 20/20 transitions.
[2025-05-30 21:50:09] [INFO ] Flatten gal took : 3 ms
[2025-05-30 21:50:09] [INFO ] Flatten gal took : 7 ms
[2025-05-30 21:50:09] [INFO ] Input system was already deterministic with 20 transitions.
[2025-05-30 21:50:09] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:09] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:09] [INFO ] Time to serialize gal into /tmp/CTLFireability10846636273604970722.gal : 0 ms
[2025-05-30 21:50:09] [INFO ] Time to serialize properties into /tmp/CTLFireability6860160480394054585.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/CTLFireability10846636273604970722.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability6860160480394054585.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,4430,0.012256,4096,2,257,5,1930,6,0,91,2575,0


Converting to forward existential form...Done !
original formula: (E(EG(EF(!(AF(((((RequestBuffer_0>=1)&&(Server_Waiting>=1))||((RequestBuffer_1>=1)&&(Server_Waiting>=1)))||(((RequestBuffer_3>=1)&&(Serve...1879
=> equivalent forward existential formula: ([(Init * !(E(EG(E(TRUE U !(!(EG(!(((((RequestBuffer_0>=1)&&(Server_Waiting>=1))||((RequestBuffer_1>=1)&&(Server...6157
Reverse transition relation is NOT exact ! Due to transitions t8, t9, t10, t11, t12, t13, t14, t15, t16, t17, t18, t19, Intersection with reachable at eac...217
Using saturation style SCC detection
Using saturation style SCC detection
Using saturation style SCC detection
(forward)formula 0,1,0.32589,17136,1,0,520,73076,102,319,631,100889,664
FORMULA CSRepetitions-COL-02-CTLFireability-2025-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 20/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 18 /18 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2025-05-30 21:50:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:09] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-05-30 21:50:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:09] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 21:50:09] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Running 16 sub problems to find dead transitions.
[2025-05-30 21:50:09] [INFO ] Invariant cache hit.
[2025-05-30 21:50:09] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 38/38 variables, and 27 constraints, problems are : Problem set: 0 solved, 16 unsolved in 172 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 16/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 38/38 variables, and 43 constraints, problems are : Problem set: 0 solved, 16 unsolved in 178 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 353ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 354ms
Finished structural reductions in LTL mode , in 1 iterations and 418 ms. Remains : 18/18 places, 20/20 transitions.
[2025-05-30 21:50:10] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:10] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:10] [INFO ] Input system was already deterministic with 20 transitions.
[2025-05-30 21:50:10] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:10] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:10] [INFO ] Time to serialize gal into /tmp/CTLFireability10378494460135736025.gal : 0 ms
[2025-05-30 21:50:10] [INFO ] Time to serialize properties into /tmp/CTLFireability16597771531677671992.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/CTLFireability10378494460135736025.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability16597771531677671992.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,4430,0.010246,4212,2,257,5,1930,6,0,91,2575,0


Converting to forward existential form...Done !
original formula: AX(EF((((((RequestBufferSlots>=1)&&(Client_Sending_3>=1))||((RequestBufferSlots>=1)&&(Client_Sending_0>=1)))||(((RequestBufferSlots>=1)&&...518
=> equivalent forward existential formula: [(EY(Init) * !(E(TRUE U (((((RequestBufferSlots>=1)&&(Client_Sending_3>=1))||((RequestBufferSlots>=1)&&(Client_S...571
Reverse transition relation is NOT exact ! Due to transitions t8, t9, t10, t11, t12, t13, t14, t15, t16, t17, t18, t19, Intersection with reachable at eac...217
(forward)formula 0,1,0.042802,5620,1,0,70,10681,61,28,572,12168,59
FORMULA CSRepetitions-COL-02-CTLFireability-2025-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 20/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 18 /18 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2025-05-30 21:50:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:10] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-05-30 21:50:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:10] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 21:50:10] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
Running 16 sub problems to find dead transitions.
[2025-05-30 21:50:10] [INFO ] Invariant cache hit.
[2025-05-30 21:50:10] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 38/38 variables, and 27 constraints, problems are : Problem set: 0 solved, 16 unsolved in 160 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 16/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 38/38 variables, and 43 constraints, problems are : Problem set: 0 solved, 16 unsolved in 171 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 335ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 336ms
Finished structural reductions in LTL mode , in 1 iterations and 396 ms. Remains : 18/18 places, 20/20 transitions.
[2025-05-30 21:50:10] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:10] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:10] [INFO ] Input system was already deterministic with 20 transitions.
[2025-05-30 21:50:10] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:10] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:10] [INFO ] Time to serialize gal into /tmp/CTLFireability3789943519175255720.gal : 0 ms
[2025-05-30 21:50:10] [INFO ] Time to serialize properties into /tmp/CTLFireability12940380173459347209.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/CTLFireability3789943519175255720.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability12940380173459347209.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,4430,0.010176,4204,2,257,5,1930,6,0,91,2575,0


Converting to forward existential form...Done !
original formula: A(((((RequestBufferSlots>=1)&&(Client_Sending_3>=1))||((RequestBufferSlots>=1)&&(Client_Sending_0>=1)))||(((RequestBufferSlots>=1)&&(Clie...2779
=> equivalent forward existential formula: [((Init * !(EG(!(!((E(!(((!((E(!(E(((((RequestBufferSlots>=1)&&(Client_Sending_3>=1))||((RequestBufferSlots>=1)&...29156
Reverse transition relation is NOT exact ! Due to transitions t8, t9, t10, t11, t12, t13, t14, t15, t16, t17, t18, t19, Intersection with reachable at eac...217
Using saturation style SCC detection
Using saturation style SCC detection
Using saturation style SCC detection
Using saturation style SCC detection
(forward)formula 0,0,0.521316,18624,1,0,593,79164,101,384,639,109642,712
FORMULA CSRepetitions-COL-02-CTLFireability-2025-09 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 20/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 18 /18 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2025-05-30 21:50:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:11] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-05-30 21:50:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:11] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 21:50:11] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
Running 16 sub problems to find dead transitions.
[2025-05-30 21:50:11] [INFO ] Invariant cache hit.
[2025-05-30 21:50:11] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 38/38 variables, and 27 constraints, problems are : Problem set: 0 solved, 16 unsolved in 144 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 16/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 38/38 variables, and 43 constraints, problems are : Problem set: 0 solved, 16 unsolved in 166 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 312ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 312ms
Finished structural reductions in LTL mode , in 1 iterations and 363 ms. Remains : 18/18 places, 20/20 transitions.
[2025-05-30 21:50:11] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:11] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:11] [INFO ] Input system was already deterministic with 20 transitions.
[2025-05-30 21:50:11] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:11] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:11] [INFO ] Time to serialize gal into /tmp/CTLFireability18187009485260080514.gal : 1 ms
[2025-05-30 21:50:11] [INFO ] Time to serialize properties into /tmp/CTLFireability16442957222357613245.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/CTLFireability18187009485260080514.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability16442957222357613245.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,4430,0.010468,4216,2,257,5,1930,6,0,91,2575,0


Converting to forward existential form...Done !
original formula: A(AX(!(EF(((((AX((((Client_Waiting_0>=1)||(Client_Waiting_1>=1))||((Client_Waiting_2>=1)||(Client_Waiting_3>=1)))) + ((Client_Sending_1>=...1263
=> equivalent forward existential formula: [((Init * !(EG(!((((!(E(TRUE U !((((Client_Waiting_0>=1)||(Client_Waiting_1>=1))||((Client_Waiting_2>=1)||(Clien...4713
Reverse transition relation is NOT exact ! Due to transitions t8, t9, t10, t11, t12, t13, t14, t15, t16, t17, t18, t19, Intersection with reachable at eac...217
Using saturation style SCC detection
Using saturation style SCC detection
Using saturation style SCC detection
Using saturation style SCC detection
(forward)formula 0,0,0.125719,8696,1,0,213,26343,84,151,597,37413,273
FORMULA CSRepetitions-COL-02-CTLFireability-2025-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 20/20 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2025-05-30 21:50:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:11] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-05-30 21:50:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:11] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 21:50:11] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
Running 16 sub problems to find dead transitions.
[2025-05-30 21:50:11] [INFO ] Invariant cache hit.
[2025-05-30 21:50:11] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 38/38 variables, and 27 constraints, problems are : Problem set: 0 solved, 16 unsolved in 155 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 16/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 38/38 variables, and 43 constraints, problems are : Problem set: 0 solved, 16 unsolved in 175 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 333ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 334ms
Finished structural reductions in LTL mode , in 1 iterations and 382 ms. Remains : 18/18 places, 20/20 transitions.
[2025-05-30 21:50:12] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:12] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:12] [INFO ] Input system was already deterministic with 20 transitions.
[2025-05-30 21:50:12] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:12] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:12] [INFO ] Time to serialize gal into /tmp/CTLFireability6662796923190682740.gal : 0 ms
[2025-05-30 21:50:12] [INFO ] Time to serialize properties into /tmp/CTLFireability16810001955003540752.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/CTLFireability6662796923190682740.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability16810001955003540752.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,4430,0.010991,4216,2,257,5,1930,6,0,91,2575,0


Converting to forward existential form...Done !
original formula: (EG(A(EX(!((((((Client_Sending_1>=1)&&(Server_Anwering_1>=1))||((Client_Sending_3>=1)&&(Server_Anwering_3>=1)))||(((Client_Sending_0>=1)&...1369
=> equivalent forward existential formula: ([FwdG(Init,!((E(!(E(!((E(!((((RequestBuffer_0>=1)||(RequestBuffer_1>=1))||((RequestBuffer_2>=1)||(RequestBuffer...2934
Reverse transition relation is NOT exact ! Due to transitions t8, t9, t10, t11, t12, t13, t14, t15, t16, t17, t18, t19, Intersection with reachable at eac...217
Using saturation style SCC detection
Using saturation style SCC detection
(forward)formula 0,1,0.125088,9336,1,0,230,28626,83,157,617,43248,285
FORMULA CSRepetitions-COL-02-CTLFireability-2025-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

Starting structural reductions in SI_CTL mode, iteration 0 : 18/18 places, 20/20 transitions.
Applied a total of 0 rules in 2 ms. Remains 18 /18 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2025-05-30 21:50:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:12] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-05-30 21:50:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:12] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 21:50:12] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-30 21:50:12] [INFO ] Redundant transitions in 0 ms returned []
Running 16 sub problems to find dead transitions.
[2025-05-30 21:50:12] [INFO ] Invariant cache hit.
[2025-05-30 21:50:12] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 38/38 variables, and 27 constraints, problems are : Problem set: 0 solved, 16 unsolved in 162 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 16/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 38/38 variables, and 43 constraints, problems are : Problem set: 0 solved, 16 unsolved in 176 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 343ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 343ms
Finished structural reductions in SI_CTL mode , in 1 iterations and 401 ms. Remains : 18/18 places, 20/20 transitions.
[2025-05-30 21:50:12] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:12] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:12] [INFO ] Input system was already deterministic with 20 transitions.
[2025-05-30 21:50:12] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:12] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:12] [INFO ] Time to serialize gal into /tmp/CTLFireability15741128000425117924.gal : 0 ms
[2025-05-30 21:50:12] [INFO ] Time to serialize properties into /tmp/CTLFireability6029606966809557817.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/CTLFireability15741128000425117924.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability6029606966809557817.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,4430,0.0101,4208,2,257,5,1930,6,0,91,2575,0


Converting to forward existential form...Done !
original formula: EG(((((Client_Waiting_0<1)&&(Client_Waiting_1<1))&&((Client_Waiting_2<1)&&(Client_Waiting_3<1))) + ((AG(EF((((RequestBuffer_0<1)&&(Reques...1873
=> equivalent forward existential formula: [FwdG(Init,((((Client_Waiting_0<1)&&(Client_Waiting_1<1))&&((Client_Waiting_2<1)&&(Client_Waiting_3<1))) + ((!(E...2383
Reverse transition relation is NOT exact ! Due to transitions t8, t9, t10, t11, t12, t13, t14, t15, t16, t17, t18, t19, Intersection with reachable at eac...217
(forward)formula 0,1,0.171706,11504,1,0,265,41190,88,153,618,56822,305
FORMULA CSRepetitions-COL-02-CTLFireability-2025-13 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

Starting structural reductions in LTL mode, iteration 0 : 18/18 places, 20/20 transitions.
Applied a total of 0 rules in 0 ms. Remains 18 /18 variables (removed 0) and now considering 20/20 (removed 0) transitions.
[2025-05-30 21:50:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:12] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-05-30 21:50:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 21:50:12] [INFO ] State equation strengthened by 4 read => feed constraints.
[2025-05-30 21:50:12] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Running 16 sub problems to find dead transitions.
[2025-05-30 21:50:12] [INFO ] Invariant cache hit.
[2025-05-30 21:50:12] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/38 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 38/38 variables, and 27 constraints, problems are : Problem set: 0 solved, 16 unsolved in 149 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 4/18 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 20/38 variables, 18/23 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 16/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 0/38 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 38/38 variables, and 43 constraints, problems are : Problem set: 0 solved, 16 unsolved in 178 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 18/18 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 331ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 331ms
Finished structural reductions in LTL mode , in 1 iterations and 385 ms. Remains : 18/18 places, 20/20 transitions.
[2025-05-30 21:50:13] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:13] [INFO ] Flatten gal took : 2 ms
[2025-05-30 21:50:13] [INFO ] Input system was already deterministic with 20 transitions.
[2025-05-30 21:50:13] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:13] [INFO ] Flatten gal took : 1 ms
[2025-05-30 21:50:13] [INFO ] Time to serialize gal into /tmp/CTLFireability13361062172559577076.gal : 0 ms
[2025-05-30 21:50:13] [INFO ] Time to serialize properties into /tmp/CTLFireability6971682460341905541.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/CTLFireability13361062172559577076.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability6971682460341905541.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,4430,0.015029,4212,2,257,5,1930,6,0,91,2575,0


Converting to forward existential form...Done !
original formula: EG((EF(AG((((RequestBuffer_0<1)&&(RequestBuffer_1<1))&&((RequestBuffer_2<1)&&(RequestBuffer_3<1))))) * EX((((((RequestBufferSlots<1)||(Cl...508
=> equivalent forward existential formula: [FwdG(Init,(E(TRUE U !(E(TRUE U !((((RequestBuffer_0<1)&&(RequestBuffer_1<1))&&((RequestBuffer_2<1)&&(RequestBuf...575
Reverse transition relation is NOT exact ! Due to transitions t8, t9, t10, t11, t12, t13, t14, t15, t16, t17, t18, t19, Intersection with reachable at eac...217
(forward)formula 0,1,0.089093,7796,1,0,116,19394,70,78,594,30755,125
FORMULA CSRepetitions-COL-02-CTLFireability-2025-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

[2025-05-30 21:50:13] [INFO ] Flatten gal took : 3 ms
[2025-05-30 21:50:13] [INFO ] Flatten gal took : 2 ms
Total runtime 10066 ms.

BK_STOP 1748641813337

--------------------
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="CSRepetitions-COL-02"
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 CSRepetitions-COL-02, 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 r044-tall-174854028900690"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CSRepetitions-COL-02.tgz
mv CSRepetitions-COL-02 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 ;