Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r114-tall-174876423000596.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 LamportFastMutEx-COL-2, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-tall-174876423000596
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 596K
-rw-r--r-- 1 mcc users 7.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 72K 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 6.6K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.4K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 176K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 2 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 38K 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 LamportFastMutEx-COL-2-LTLFireability-00
FORMULA_NAME LamportFastMutEx-COL-2-LTLFireability-01
FORMULA_NAME LamportFastMutEx-COL-2-LTLFireability-02
FORMULA_NAME LamportFastMutEx-COL-2-LTLFireability-03
FORMULA_NAME LamportFastMutEx-COL-2-LTLFireability-04
FORMULA_NAME LamportFastMutEx-COL-2-LTLFireability-05
FORMULA_NAME LamportFastMutEx-COL-2-LTLFireability-06
FORMULA_NAME LamportFastMutEx-COL-2-LTLFireability-07
FORMULA_NAME LamportFastMutEx-COL-2-LTLFireability-08
FORMULA_NAME LamportFastMutEx-COL-2-LTLFireability-09
FORMULA_NAME LamportFastMutEx-COL-2-LTLFireability-10
FORMULA_NAME LamportFastMutEx-COL-2-LTLFireability-11
FORMULA_NAME LamportFastMutEx-COL-2-LTLFireability-12
FORMULA_NAME LamportFastMutEx-COL-2-LTLFireability-13
FORMULA_NAME LamportFastMutEx-COL-2-LTLFireability-14
FORMULA_NAME LamportFastMutEx-COL-2-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748871489555

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LamportFastMutEx-COL-2
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202505121319
[2025-06-02 13:38:11] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 13:38:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 13:38:11] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2025-06-02 13:38:11] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-02 13:38:11] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 675 ms
[2025-06-02 13:38:11] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 69 PT places and 117.0 transition bindings in 22 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
[2025-06-02 13:38:12] [INFO ] Built PT skeleton of HLPN with 18 places and 17 transitions 68 arcs in 10 ms.
[2025-06-02 13:38:12] [INFO ] Skeletonized 12 HLPN properties in 4 ms. Removed 4 properties that had guard overlaps.
Computed a total of 3 stabilizing places and 0 stable transitions
Remains 12 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Reduction of identical properties reduced properties to check from 14 to 13
RANDOM walk for 346 steps (0 resets) in 34 ms. (9 steps per ms) remains 0/13 properties
[2025-06-02 13:38:12] [INFO ] Flatten gal took : 21 ms
[2025-06-02 13:38:12] [INFO ] Flatten gal took : 3 ms
Domain [pid(3), pid(3)] of place P_wait breaks symmetries in sort pid
Symmetric sort wr.t. initial and guards and successors and join/free detected :P_bool
Arc [3:1*[$i, 1]] contains constants of sort P_bool
Transition T_setbi_2 : constants on arcs in [[3:1*[$i, 1]]] introduces in P_bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2025-06-02 13:38:12] [INFO ] Unfolded HLPN to a Petri net with 69 places and 96 transitions 402 arcs in 22 ms.
[2025-06-02 13:38:12] [INFO ] Unfolded 16 HLPN properties in 0 ms.
Initial state reduction rules removed 1 formulas.
Deduced a syphon composed of 25 places in 0 ms
Reduce places removed 25 places and 34 transitions.
FORMULA LamportFastMutEx-COL-2-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 40 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 62/62 transitions.
Applied a total of 0 rules in 5 ms. Remains 44 /44 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2025-06-02 13:38:12] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
// Phase 1: matrix 56 rows 44 cols
[2025-06-02 13:38:12] [INFO ] Computed 10 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:12] [INFO ] Implicit Places using invariants in 150 ms returned []
[2025-06-02 13:38:12] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2025-06-02 13:38:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:12] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-06-02 13:38:12] [INFO ] Implicit Places using invariants and state equation in 68 ms returned []
Implicit Place search using SMT with State Equation took 253 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2025-06-02 13:38:12] [INFO ] Flow matrix only has 56 transitions (discarded 6 similar events)
[2025-06-02 13:38:12] [INFO ] Invariant cache hit.
[2025-06-02 13:38:12] [INFO ] State equation strengthened by 16 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:12] [INFO ] Deduced a trap composed of 8 places in 54 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:12] [INFO ] Deduced a trap composed of 8 places in 46 ms of which 4 ms to minimize.
Problem TDEAD10 is UNSAT
Problem TDEAD13 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:12] [INFO ] Deduced a trap composed of 8 places in 28 ms of which 2 ms to minimize.
Problem TDEAD14 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:13] [INFO ] Deduced a trap composed of 8 places in 42 ms of which 3 ms to minimize.
Problem TDEAD15 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:13] [INFO ] Deduced a trap composed of 11 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:13] [INFO ] Deduced a trap composed of 11 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:13] [INFO ] Deduced a trap composed of 9 places in 37 ms of which 2 ms to minimize.
Problem TDEAD24 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:13] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:13] [INFO ] Deduced a trap composed of 11 places in 44 ms of which 4 ms to minimize.
Problem TDEAD27 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:13] [INFO ] Deduced a trap composed of 4 places in 41 ms of which 4 ms to minimize.
Problem TDEAD28 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:13] [INFO ] Deduced a trap composed of 4 places in 32 ms of which 1 ms to minimize.
Problem TDEAD29 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD33 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:13] [INFO ] Deduced a trap composed of 9 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:13] [INFO ] Deduced a trap composed of 10 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:13] [INFO ] Deduced a trap composed of 10 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:13] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:13] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:13] [INFO ] Deduced a trap composed of 4 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:13] [INFO ] Deduced a trap composed of 11 places in 46 ms of which 3 ms to minimize.
Problem TDEAD3 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/44 variables, 18/28 constraints. Problems are: Problem set: 11 solved, 49 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:13] [INFO ] Deduced a trap composed of 9 places in 38 ms of which 2 ms to minimize.
Problem TDEAD2 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 1/29 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/44 variables, 0/29 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 4 (OVERLAPS) 56/100 variables, 44/73 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 16/89 constraints. Problems are: Problem set: 12 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:14] [INFO ] Deduced a trap composed of 11 places in 50 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/100 variables, 1/90 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 0/90 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 8 (OVERLAPS) 0/100 variables, 0/90 constraints. Problems are: Problem set: 12 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 100/100 variables, and 90 constraints, problems are : Problem set: 12 solved, 48 unsolved in 2312 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 44/44 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 12 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 4/4 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 11/15 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/15 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 3 (OVERLAPS) 2/44 variables, 6/21 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 9/30 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/30 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 6 (OVERLAPS) 56/100 variables, 44/74 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 16/90 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 48/138 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/100 variables, 0/138 constraints. Problems are: Problem set: 12 solved, 48 unsolved
At refinement iteration 10 (OVERLAPS) 0/100 variables, 0/138 constraints. Problems are: Problem set: 12 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 100/100 variables, and 138 constraints, problems are : Problem set: 12 solved, 48 unsolved in 1296 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 44/44 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 48/60 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3665ms problems are : Problem set: 12 solved, 48 unsolved
Search for dead transitions found 12 dead transitions in 3677ms
Found 12 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 12 transitions
Dead transitions reduction (with SMT) removed 12 transitions
Starting structural reductions in LTL mode, iteration 1 : 44/44 places, 50/62 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 50/50 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 3952 ms. Remains : 44/44 places, 50/62 transitions.
Support contains 40 out of 44 places after structural reductions.
[2025-06-02 13:38:16] [INFO ] Flatten gal took : 7 ms
[2025-06-02 13:38:16] [INFO ] Flatten gal took : 8 ms
[2025-06-02 13:38:16] [INFO ] Input system was already deterministic with 50 transitions.
Reduction of identical properties reduced properties to check from 19 to 16
RANDOM walk for 402 steps (0 resets) in 43 ms. (9 steps per ms) remains 0/16 properties
FORMULA LamportFastMutEx-COL-2-LTLFireability-14 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA LamportFastMutEx-COL-2-LTLFireability-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 1 stabilizing places and 2 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0||(X(G((p2||G(p3))))&&p1)))))'
Support contains 13 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2025-06-02 13:38:16] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
// Phase 1: matrix 48 rows 44 cols
[2025-06-02 13:38:16] [INFO ] Computed 10 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:16] [INFO ] Implicit Places using invariants in 47 ms returned [30, 31]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 50 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 42/44 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 42 /42 variables (removed 0) and now considering 50/50 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 52 ms. Remains : 42/44 places, 50/50 transitions.
Stuttering acceptance computed with spot in 352 ms :[true, (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p2) (NOT p3))), (OR (NOT p3) (AND (NOT p0) (NOT p1)))]
Running random walk in product with property : LamportFastMutEx-COL-2-LTLFireability-00
Entered a terminal (fully accepting) state of product in 7 steps with 0 reset in 3 ms.
FORMULA LamportFastMutEx-COL-2-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-2-LTLFireability-00 finished in 484 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)||X(p1))))'
Support contains 7 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2025-06-02 13:38:17] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
[2025-06-02 13:38:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:17] [INFO ] Implicit Places using invariants in 42 ms returned [30, 31]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 60 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 42/44 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 42 /42 variables (removed 0) and now considering 50/50 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 62 ms. Remains : 42/44 places, 50/50 transitions.
Stuttering acceptance computed with spot in 140 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : LamportFastMutEx-COL-2-LTLFireability-01
Product exploration explored 100000 steps with 4412 reset in 319 ms.
Stack based approach found an accepted trace after 138 steps with 6 reset with depth 24 and stack size 24 in 1 ms.
FORMULA LamportFastMutEx-COL-2-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-2-LTLFireability-01 finished in 540 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U p1))'
Support contains 12 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Applied a total of 0 rules in 5 ms. Remains 44 /44 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2025-06-02 13:38:17] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
[2025-06-02 13:38:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:17] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-06-02 13:38:17] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
[2025-06-02 13:38:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:17] [INFO ] State equation strengthened by 14 read => feed constraints.
[2025-06-02 13:38:18] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 97 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:38:18] [INFO ] Redundant transitions in 0 ms returned []
Running 48 sub problems to find dead transitions.
[2025-06-02 13:38:18] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
[2025-06-02 13:38:18] [INFO ] Invariant cache hit.
[2025-06-02 13:38:18] [INFO ] State equation strengthened by 14 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (OVERLAPS) 2/44 variables, 6/10 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:18] [INFO ] Deduced a trap composed of 4 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:18] [INFO ] Deduced a trap composed of 4 places in 35 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:18] [INFO ] Deduced a trap composed of 8 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:18] [INFO ] Deduced a trap composed of 7 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:18] [INFO ] Deduced a trap composed of 8 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:18] [INFO ] Deduced a trap composed of 8 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:18] [INFO ] Deduced a trap composed of 7 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:18] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:18] [INFO ] Deduced a trap composed of 8 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:18] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:18] [INFO ] Deduced a trap composed of 9 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:18] [INFO ] Deduced a trap composed of 9 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:18] [INFO ] Deduced a trap composed of 9 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:18] [INFO ] Deduced a trap composed of 10 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:18] [INFO ] Deduced a trap composed of 9 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:18] [INFO ] Deduced a trap composed of 10 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:18] [INFO ] Deduced a trap composed of 8 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:19] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/44 variables, 18/28 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:19] [INFO ] Deduced a trap composed of 11 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:19] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 2/30 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (OVERLAPS) 48/92 variables, 44/74 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/92 variables, 14/88 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (OVERLAPS) 0/92 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 92/92 variables, and 88 constraints, problems are : Problem set: 0 solved, 48 unsolved in 2026 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 44/44 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 11/15 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (OVERLAPS) 2/44 variables, 6/21 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 9/30 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (OVERLAPS) 48/92 variables, 44/74 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/92 variables, 14/88 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 48/136 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:20] [INFO ] Deduced a trap composed of 11 places in 49 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:20] [INFO ] Deduced a trap along path composed of 3 places in 31 ms of which 6 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/92 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/92 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 92/92 variables, and 138 constraints, problems are : Problem set: 0 solved, 48 unsolved in 2132 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 44/44 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 4178ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4180ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 4291 ms. Remains : 44/44 places, 50/50 transitions.
Stuttering acceptance computed with spot in 44 ms :[true, (NOT p1)]
Running random walk in product with property : LamportFastMutEx-COL-2-LTLFireability-02
Entered a terminal (fully accepting) state of product in 8 steps with 0 reset in 0 ms.
FORMULA LamportFastMutEx-COL-2-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-2-LTLFireability-02 finished in 4348 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(F((X((F(p1)||G(p2)))&&p0)))||(F(!p3)&&F((X((F(p1)||G(p2)))&&p4)))))'
Support contains 9 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Applied a total of 0 rules in 2 ms. Remains 44 /44 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2025-06-02 13:38:22] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
[2025-06-02 13:38:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:22] [INFO ] Implicit Places using invariants in 39 ms returned [30, 31]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 40 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 42/44 places, 50/50 transitions.
Applied a total of 0 rules in 2 ms. Remains 42 /42 variables (removed 0) and now considering 50/50 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 44 ms. Remains : 42/44 places, 50/50 transitions.
Stuttering acceptance computed with spot in 577 ms :[(OR (AND (NOT p0) (NOT p4)) (AND (NOT p1) (NOT p2)) (AND (NOT p0) p3)), (OR (AND (NOT p0) (NOT p4)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p4)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) (NOT p4)), (OR (AND (NOT p1) (NOT p2) p3) (AND (NOT p0) p3)), (OR (AND (NOT p1) (NOT p2) p3) (AND (NOT p0) p3)), (AND (NOT p1) (NOT p2) p3), (OR (AND (NOT p0) (NOT p1) (NOT p4)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1) (NOT p4)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1) p3) (AND (NOT p1) (NOT p2) p3))]
Running random walk in product with property : LamportFastMutEx-COL-2-LTLFireability-04
Product exploration explored 100000 steps with 50000 reset in 251 ms.
Product exploration explored 100000 steps with 50000 reset in 226 ms.
Computed a total of 1 stabilizing places and 2 stable transitions
Computed a total of 1 stabilizing places and 2 stable transitions
Knowledge obtained : [(AND p0 p4 (NOT p3) p1 p2), (X p2), (X (NOT p3)), (X p4), (X (NOT (AND (NOT p1) p2))), (X (NOT (AND (NOT p0) p3))), (X (NOT (AND p3 (NOT p1) p2))), (X (NOT (AND (NOT p0) (NOT p4)))), (X (NOT (OR (AND p4 (NOT p1)) (AND (NOT p1) p2)))), (X (NOT (AND (NOT p0) (NOT p4) (NOT p1) (NOT p2)))), (X (OR p0 p4)), (X (NOT (AND (NOT p4) (NOT p1) (NOT p2)))), (X (NOT (AND p0 p3))), (X (NOT (AND p0 p3 (NOT p1) (NOT p2)))), (X (NOT (OR (AND p0 (NOT p1) (NOT p2)) (AND p4 (NOT p1) (NOT p2))))), (X (NOT (AND (NOT p0) p3 (NOT p1) (NOT p2)))), (X p0), (X p1), (X (X (NOT p3))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND (NOT p0) p3)))), (X (X (NOT (AND p3 (NOT p1) p2)))), (X (X (NOT (AND p0 p3 (NOT p1))))), (X (X (NOT (AND (NOT p4) (NOT p1))))), (X (X (NOT (OR (AND p4 (NOT p1)) (AND (NOT p1) p2))))), (X (X (NOT (AND (NOT p0) (NOT p4) (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p4) (NOT p1) (NOT p2))))), (X (X (NOT (AND p0 p3)))), (X (X (NOT (AND (NOT p0) p3 (NOT p1))))), (X (X (NOT (OR (AND p0 (NOT p1)) (AND p4 (NOT p1)))))), (X (X (NOT (AND p0 p3 (NOT p1) (NOT p2))))), (X (X (NOT (OR (AND p0 (NOT p1) (NOT p2)) (AND p4 (NOT p1) (NOT p2)))))), (X (X (NOT (AND (NOT p0) (NOT p4) (NOT p1))))), (X (X (NOT (AND p4 (NOT p1))))), (X (X (NOT (AND (NOT p0) p3 (NOT p1) (NOT p2))))), (X (X p1))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X p4)), (X (X (NOT p4))), (X (X (AND (NOT p0) (NOT p4)))), (X (X (NOT (AND (NOT p0) (NOT p4))))), (X (X (OR p0 p4))), (X (X (NOT (OR p0 p4)))), (X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 36 factoid took 26 ms. Reduced automaton from 11 states, 34 edges and 5 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA LamportFastMutEx-COL-2-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property LamportFastMutEx-COL-2-LTLFireability-04 finished in 1166 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 5 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 42 transition count 48
Applied a total of 4 rules in 15 ms. Remains 42 /44 variables (removed 2) and now considering 48/50 (removed 2) transitions.
[2025-06-02 13:38:23] [INFO ] Flow matrix only has 46 transitions (discarded 2 similar events)
// Phase 1: matrix 46 rows 42 cols
[2025-06-02 13:38:23] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:23] [INFO ] Implicit Places using invariants in 46 ms returned [28, 29]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 47 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 40/44 places, 48/50 transitions.
Applied a total of 0 rules in 2 ms. Remains 40 /40 variables (removed 0) and now considering 48/48 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 64 ms. Remains : 40/44 places, 48/50 transitions.
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : LamportFastMutEx-COL-2-LTLFireability-05
Product exploration explored 100000 steps with 1492 reset in 120 ms.
Stack based approach found an accepted trace after 19 steps with 0 reset with depth 20 and stack size 20 in 0 ms.
FORMULA LamportFastMutEx-COL-2-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-2-LTLFireability-05 finished in 269 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G(p0))||(!p1 U G(!p0))))'
Support contains 8 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2025-06-02 13:38:23] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
// Phase 1: matrix 48 rows 44 cols
[2025-06-02 13:38:23] [INFO ] Computed 10 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:23] [INFO ] Implicit Places using invariants in 52 ms returned [30, 31]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 53 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 42/44 places, 50/50 transitions.
Applied a total of 0 rules in 0 ms. Remains 42 /42 variables (removed 0) and now considering 50/50 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 54 ms. Remains : 42/44 places, 50/50 transitions.
Stuttering acceptance computed with spot in 263 ms :[false, (NOT p0), false, false, true, p0, p0]
Running random walk in product with property : LamportFastMutEx-COL-2-LTLFireability-06
Entered a terminal (fully accepting) state of product in 12 steps with 0 reset in 0 ms.
FORMULA LamportFastMutEx-COL-2-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-2-LTLFireability-06 finished in 340 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(X(X(X(F(p1)))))))'
Support contains 5 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Applied a total of 0 rules in 2 ms. Remains 44 /44 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2025-06-02 13:38:24] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
[2025-06-02 13:38:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:24] [INFO ] Implicit Places using invariants in 54 ms returned [30, 31]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 55 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 42/44 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 42 /42 variables (removed 0) and now considering 50/50 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 58 ms. Remains : 42/44 places, 50/50 transitions.
Stuttering acceptance computed with spot in 255 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : LamportFastMutEx-COL-2-LTLFireability-07
Product exploration explored 100000 steps with 8093 reset in 108 ms.
Stack based approach found an accepted trace after 62 steps with 5 reset with depth 26 and stack size 26 in 0 ms.
FORMULA LamportFastMutEx-COL-2-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-2-LTLFireability-07 finished in 441 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(!p0)))'
Support contains 4 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 42 transition count 48
Applied a total of 4 rules in 8 ms. Remains 42 /44 variables (removed 2) and now considering 48/50 (removed 2) transitions.
[2025-06-02 13:38:24] [INFO ] Flow matrix only has 46 transitions (discarded 2 similar events)
// Phase 1: matrix 46 rows 42 cols
[2025-06-02 13:38:24] [INFO ] Computed 10 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:24] [INFO ] Implicit Places using invariants in 45 ms returned [28, 29]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 51 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 40/44 places, 48/50 transitions.
Applied a total of 0 rules in 3 ms. Remains 40 /40 variables (removed 0) and now considering 48/48 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 63 ms. Remains : 40/44 places, 48/50 transitions.
Stuttering acceptance computed with spot in 47 ms :[p0]
Running random walk in product with property : LamportFastMutEx-COL-2-LTLFireability-08
Product exploration explored 100000 steps with 0 reset in 125 ms.
Stack based approach found an accepted trace after 19 steps with 0 reset with depth 20 and stack size 20 in 0 ms.
FORMULA LamportFastMutEx-COL-2-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-2-LTLFireability-08 finished in 254 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U X((X((!p1&&X(p2)))&&(p3 U G(!p1))))))'
Support contains 18 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Applied a total of 0 rules in 2 ms. Remains 44 /44 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2025-06-02 13:38:24] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
// Phase 1: matrix 48 rows 44 cols
[2025-06-02 13:38:24] [INFO ] Computed 10 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:24] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-02 13:38:24] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
[2025-06-02 13:38:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:24] [INFO ] State equation strengthened by 14 read => feed constraints.
[2025-06-02 13:38:24] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 99 ms to find 0 implicit places.
Running 48 sub problems to find dead transitions.
[2025-06-02 13:38:24] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
[2025-06-02 13:38:24] [INFO ] Invariant cache hit.
[2025-06-02 13:38:24] [INFO ] State equation strengthened by 14 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (OVERLAPS) 2/44 variables, 6/10 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:25] [INFO ] Deduced a trap composed of 4 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:25] [INFO ] Deduced a trap composed of 4 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:25] [INFO ] Deduced a trap composed of 8 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:25] [INFO ] Deduced a trap composed of 7 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:25] [INFO ] Deduced a trap composed of 8 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:25] [INFO ] Deduced a trap composed of 8 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:25] [INFO ] Deduced a trap composed of 7 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:25] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:25] [INFO ] Deduced a trap composed of 8 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:25] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:25] [INFO ] Deduced a trap composed of 9 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:25] [INFO ] Deduced a trap composed of 9 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:25] [INFO ] Deduced a trap composed of 9 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:25] [INFO ] Deduced a trap composed of 10 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:25] [INFO ] Deduced a trap composed of 9 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:25] [INFO ] Deduced a trap composed of 10 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:25] [INFO ] Deduced a trap composed of 8 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:25] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/44 variables, 18/28 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:25] [INFO ] Deduced a trap composed of 11 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:26] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 2/30 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (OVERLAPS) 48/92 variables, 44/74 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/92 variables, 14/88 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (OVERLAPS) 0/92 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 92/92 variables, and 88 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1919 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 44/44 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 11/15 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (OVERLAPS) 2/44 variables, 6/21 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 9/30 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (OVERLAPS) 48/92 variables, 44/74 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/92 variables, 14/88 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 48/136 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:27] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:27] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/92 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/92 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 92/92 variables, and 138 constraints, problems are : Problem set: 0 solved, 48 unsolved in 2104 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 44/44 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 4031ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4031ms
Finished structural reductions in LTL mode , in 1 iterations and 4133 ms. Remains : 44/44 places, 50/50 transitions.
Stuttering acceptance computed with spot in 1380 ms :[(OR (NOT p2) p1), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (OR (NOT p2) p1), (NOT p0), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) p1 p3)), (AND (NOT p0) p1), (AND (NOT p0) p1 (NOT p3)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p1)), (AND (NOT p0) p1), (OR (NOT p2) p1), p1, p1, (AND (NOT p0) (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2) p3)), (AND (NOT p0) p1 (NOT p2)), (AND (NOT p0) p1 (NOT p3) (NOT p2)), (AND (NOT p0) p1 p3), (AND (NOT p0) (NOT p2)), (AND (NOT p0) p1 (NOT p2)), (NOT p2), (AND p1 (NOT p2)), (AND p1 (NOT p2)), (AND (NOT p0) p1 p3), (AND p1 p3), (AND (NOT p0) p1 (NOT p2) p3), (AND (NOT p0) p1 p3 (NOT p2)), (AND p1 (NOT p2) p3)]
Running random walk in product with property : LamportFastMutEx-COL-2-LTLFireability-09
Product exploration explored 100000 steps with 6307 reset in 121 ms.
Stack based approach found an accepted trace after 80 steps with 5 reset with depth 11 and stack size 11 in 0 ms.
FORMULA LamportFastMutEx-COL-2-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-2-LTLFireability-09 finished in 5676 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((!p0||F(p1)||G(p2))))'
Support contains 15 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2025-06-02 13:38:30] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
[2025-06-02 13:38:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:30] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-06-02 13:38:30] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
[2025-06-02 13:38:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:30] [INFO ] State equation strengthened by 14 read => feed constraints.
[2025-06-02 13:38:30] [INFO ] Implicit Places using invariants and state equation in 107 ms returned []
Implicit Place search using SMT with State Equation took 154 ms to find 0 implicit places.
Running 48 sub problems to find dead transitions.
[2025-06-02 13:38:30] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
[2025-06-02 13:38:30] [INFO ] Invariant cache hit.
[2025-06-02 13:38:30] [INFO ] State equation strengthened by 14 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (OVERLAPS) 2/44 variables, 6/10 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:30] [INFO ] Deduced a trap composed of 4 places in 51 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:30] [INFO ] Deduced a trap composed of 4 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:30] [INFO ] Deduced a trap composed of 8 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:31] [INFO ] Deduced a trap composed of 7 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:31] [INFO ] Deduced a trap composed of 8 places in 50 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:31] [INFO ] Deduced a trap composed of 8 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:31] [INFO ] Deduced a trap composed of 7 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:31] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:31] [INFO ] Deduced a trap composed of 8 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:31] [INFO ] Deduced a trap composed of 11 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:31] [INFO ] Deduced a trap composed of 9 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:31] [INFO ] Deduced a trap composed of 9 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:31] [INFO ] Deduced a trap composed of 9 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:31] [INFO ] Deduced a trap composed of 10 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:31] [INFO ] Deduced a trap composed of 9 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:31] [INFO ] Deduced a trap composed of 10 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:31] [INFO ] Deduced a trap composed of 8 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:31] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/44 variables, 18/28 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:31] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:31] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 2/30 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (OVERLAPS) 48/92 variables, 44/74 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/92 variables, 14/88 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 9 (OVERLAPS) 0/92 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 92/92 variables, and 88 constraints, problems are : Problem set: 0 solved, 48 unsolved in 2101 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 44/44 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 11/15 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (OVERLAPS) 2/44 variables, 6/21 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/44 variables, 9/30 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (OVERLAPS) 48/92 variables, 44/74 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/92 variables, 14/88 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 48/136 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:33] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:33] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/92 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 12 (OVERLAPS) 0/92 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 92/92 variables, and 138 constraints, problems are : Problem set: 0 solved, 48 unsolved in 2082 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 44/44 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 4195ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 4196ms
Finished structural reductions in LTL mode , in 1 iterations and 4351 ms. Remains : 44/44 places, 50/50 transitions.
Stuttering acceptance computed with spot in 178 ms :[(NOT p1), (AND (NOT p1) (NOT p2) p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) p0)]
Running random walk in product with property : LamportFastMutEx-COL-2-LTLFireability-10
Product exploration explored 100000 steps with 50000 reset in 86 ms.
Product exploration explored 100000 steps with 50000 reset in 93 ms.
Computed a total of 1 stabilizing places and 2 stable transitions
Computed a total of 1 stabilizing places and 2 stable transitions
Knowledge obtained : [(AND p1 (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT (AND p0 (NOT p1) p2))), (X (NOT (AND p0 (NOT p1) (NOT p2)))), (X (NOT p0)), (X p1), (X (X (NOT p2))), (X (X p1)), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND (NOT p1) (NOT p2)))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 10 factoid took 18 ms. Reduced automaton from 4 states, 6 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA LamportFastMutEx-COL-2-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property LamportFastMutEx-COL-2-LTLFireability-10 finished in 4751 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(!p1)))))'
Support contains 10 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 42 transition count 48
Applied a total of 4 rules in 8 ms. Remains 42 /44 variables (removed 2) and now considering 48/50 (removed 2) transitions.
[2025-06-02 13:38:35] [INFO ] Flow matrix only has 46 transitions (discarded 2 similar events)
// Phase 1: matrix 46 rows 42 cols
[2025-06-02 13:38:35] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:35] [INFO ] Implicit Places using invariants in 47 ms returned [28, 29]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 48 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 40/44 places, 48/50 transitions.
Applied a total of 0 rules in 2 ms. Remains 40 /40 variables (removed 0) and now considering 48/48 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 58 ms. Remains : 40/44 places, 48/50 transitions.
Stuttering acceptance computed with spot in 107 ms :[(OR (NOT p0) p1), (NOT p0), p1]
Running random walk in product with property : LamportFastMutEx-COL-2-LTLFireability-11
Product exploration explored 100000 steps with 2 reset in 144 ms.
Stack based approach found an accepted trace after 70 steps with 1 reset with depth 45 and stack size 45 in 0 ms.
FORMULA LamportFastMutEx-COL-2-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-2-LTLFireability-11 finished in 328 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)&&(G((p1||F(!p2))) U X(!p2)))))'
Support contains 15 out of 44 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 44 /44 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2025-06-02 13:38:35] [INFO ] Flow matrix only has 48 transitions (discarded 2 similar events)
// Phase 1: matrix 48 rows 44 cols
[2025-06-02 13:38:35] [INFO ] Computed 10 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:35] [INFO ] Implicit Places using invariants in 44 ms returned [30, 31]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 45 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 42/44 places, 50/50 transitions.
Applied a total of 0 rules in 0 ms. Remains 42 /42 variables (removed 0) and now considering 50/50 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 46 ms. Remains : 42/44 places, 50/50 transitions.
Stuttering acceptance computed with spot in 266 ms :[(OR (NOT p0) p2), (OR (NOT p0) p2), true, (NOT p0), p2, p2, (AND p2 (NOT p1))]
Running random walk in product with property : LamportFastMutEx-COL-2-LTLFireability-12
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA LamportFastMutEx-COL-2-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-2-LTLFireability-12 finished in 339 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(!p0) U !p1)&&((p2 U p3)||(!p2 U (p4||G(!p2))))))'
Support contains 16 out of 44 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 44/44 places, 50/50 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 42 transition count 48
Applied a total of 4 rules in 7 ms. Remains 42 /44 variables (removed 2) and now considering 48/50 (removed 2) transitions.
[2025-06-02 13:38:35] [INFO ] Flow matrix only has 46 transitions (discarded 2 similar events)
// Phase 1: matrix 46 rows 42 cols
[2025-06-02 13:38:35] [INFO ] Computed 10 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:35] [INFO ] Implicit Places using invariants in 43 ms returned [28, 29]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 44 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 40/44 places, 48/50 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 40 transition count 46
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 38 transition count 46
Applied a total of 4 rules in 7 ms. Remains 38 /40 variables (removed 2) and now considering 46/48 (removed 2) transitions.
[2025-06-02 13:38:35] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
// Phase 1: matrix 44 rows 38 cols
[2025-06-02 13:38:35] [INFO ] Computed 8 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:35] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-02 13:38:35] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
[2025-06-02 13:38:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:35] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-02 13:38:35] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 38/44 places, 46/50 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 141 ms. Remains : 38/44 places, 46/50 transitions.
Stuttering acceptance computed with spot in 248 ms :[(OR p1 (AND p2 (NOT p3) (NOT p4))), p0, p1, (NOT p3), (AND p2 (NOT p4)), true]
Running random walk in product with property : LamportFastMutEx-COL-2-LTLFireability-13
Product exploration explored 100000 steps with 9406 reset in 132 ms.
Product exploration explored 100000 steps with 9346 reset in 158 ms.
Computed a total of 1 stabilizing places and 2 stable transitions
Computed a total of 1 stabilizing places and 2 stable transitions
Knowledge obtained : [(AND p1 p0 (NOT p3) (NOT p2) p4), (X (NOT p2)), (X (NOT p3)), (X (NOT p4)), (X (NOT (AND p2 (NOT p4)))), (X (NOT (AND (NOT p3) p2))), (X (AND (NOT p3) (NOT p2))), (X (AND p1 p0)), (X p0), (X (AND (NOT p2) (NOT p4))), (X p1), (X (X (NOT p2))), (X (X (NOT (AND p2 (NOT p4))))), (X (X (NOT (AND (NOT p3) p2)))), (X (X p0))]
False Knowledge obtained : [(X (X p3)), (X (X (NOT p3))), (X (X p4)), (X (X (NOT p4))), (X (X (AND (NOT p3) (NOT p2)))), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X (AND p1 p0))), (X (X (NOT (AND p1 p0)))), (X (X (AND (NOT p2) (NOT p4)))), (X (X (NOT (AND (NOT p2) (NOT p4))))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 15 factoid took 511 ms. Reduced automaton from 6 states, 12 edges and 5 AP (stutter insensitive) to 6 states, 15 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 246 ms :[(OR p0 p1), p0, p1, false, false, false]
RANDOM walk for 428 steps (0 resets) in 22 ms. (18 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND p1 p0 (NOT p3) (NOT p2) p4), (X (NOT p2)), (X (NOT p3)), (X (NOT p4)), (X (NOT (AND p2 (NOT p4)))), (X (NOT (AND (NOT p3) p2))), (X (AND (NOT p3) (NOT p2))), (X (AND p1 p0)), (X p0), (X (AND (NOT p2) (NOT p4))), (X p1), (X (X (NOT p2))), (X (X (NOT (AND p2 (NOT p4))))), (X (X (NOT (AND (NOT p3) p2)))), (X (X p0))]
False Knowledge obtained : [(X (X p3)), (X (X (NOT p3))), (X (X p4)), (X (X (NOT p4))), (X (X (AND (NOT p3) (NOT p2)))), (X (X (NOT (AND (NOT p3) (NOT p2))))), (X (X (AND p1 p0))), (X (X (NOT (AND p1 p0)))), (X (X (AND (NOT p2) (NOT p4)))), (X (X (NOT (AND (NOT p2) (NOT p4))))), (X (X p1)), (X (X (NOT p1))), (F (NOT p0)), (F (NOT (AND p0 p1))), (F (NOT p1)), (F (NOT (OR (NOT p0) p1))), (F (NOT (OR p0 (NOT p1)))), (F (NOT (OR p0 p1)))]
Knowledge based reduction with 15 factoid took 659 ms. Reduced automaton from 6 states, 15 edges and 2 AP (stutter insensitive) to 6 states, 15 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 266 ms :[(OR p0 p1), p0, p1, false, false, false]
Stuttering acceptance computed with spot in 241 ms :[(OR p0 p1), p0, p1, false, false, false]
[2025-06-02 13:38:38] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
[2025-06-02 13:38:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-02 13:38:38] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:38] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2025-06-02 13:38:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-02 13:38:38] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:38] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-02 13:38:38] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-02 13:38:38] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:38] [INFO ] Deduced a trap composed of 7 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:38] [INFO ] Deduced a trap composed of 9 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:38] [INFO ] Deduced a trap composed of 4 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:38] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:38] [INFO ] Deduced a trap composed of 7 places in 35 ms of which 4 ms to minimize.
[2025-06-02 13:38:38] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 218 ms
[2025-06-02 13:38:38] [INFO ] Computed and/alt/rep : 44/124/42 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-02 13:38:38] [INFO ] Added : 40 causal constraints over 8 iterations in 54 ms. Result :sat
Could not prove EG p0
[2025-06-02 13:38:38] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
[2025-06-02 13:38:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-02 13:38:38] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:38] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-02 13:38:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-02 13:38:38] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:39] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-02 13:38:39] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-02 13:38:39] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:39] [INFO ] Deduced a trap composed of 7 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:39] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:39] [INFO ] Deduced a trap composed of 9 places in 32 ms of which 2 ms to minimize.
[2025-06-02 13:38:39] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 114 ms
[2025-06-02 13:38:39] [INFO ] Computed and/alt/rep : 44/124/42 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-02 13:38:39] [INFO ] Added : 30 causal constraints over 7 iterations in 40 ms. Result :sat
Could not prove EG p1
Support contains 9 out of 38 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 38/38 places, 46/46 transitions.
Applied a total of 0 rules in 3 ms. Remains 38 /38 variables (removed 0) and now considering 46/46 (removed 0) transitions.
[2025-06-02 13:38:39] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
[2025-06-02 13:38:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:39] [INFO ] Implicit Places using invariants in 37 ms returned []
[2025-06-02 13:38:39] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
[2025-06-02 13:38:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 13:38:39] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-02 13:38:39] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 95 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 13:38:39] [INFO ] Redundant transitions in 1 ms returned []
Running 44 sub problems to find dead transitions.
[2025-06-02 13:38:39] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
[2025-06-02 13:38:39] [INFO ] Invariant cache hit.
[2025-06-02 13:38:39] [INFO ] State equation strengthened by 10 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (OVERLAPS) 2/38 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:39] [INFO ] Deduced a trap composed of 4 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:39] [INFO ] Deduced a trap composed of 8 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:39] [INFO ] Deduced a trap composed of 7 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:39] [INFO ] Deduced a trap composed of 9 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:39] [INFO ] Deduced a trap composed of 7 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:39] [INFO ] Deduced a trap composed of 7 places in 67 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:39] [INFO ] Deduced a trap composed of 8 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:39] [INFO ] Deduced a trap composed of 11 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:39] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:39] [INFO ] Deduced a trap composed of 7 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:40] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:40] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:40] [INFO ] Deduced a trap composed of 9 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:40] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:40] [INFO ] Deduced a trap composed of 7 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:40] [INFO ] Deduced a trap composed of 10 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:40] [INFO ] Deduced a trap composed of 10 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:40] [INFO ] Deduced a trap composed of 7 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:40] [INFO ] Deduced a trap composed of 11 places in 43 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 19/27 constraints. Problems are: Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:40] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:40] [INFO ] Deduced a trap composed of 10 places in 36 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:40] [INFO ] Deduced a trap composed of 4 places in 33 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:40] [INFO ] Deduced a trap composed of 10 places in 35 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/38 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (OVERLAPS) 44/82 variables, 38/69 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/82 variables, 10/79 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/82 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 11 (OVERLAPS) 0/82 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Real declared 82/82 variables, and 79 constraints, problems are : Problem set: 0 solved, 44 unsolved in 1948 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 38/38 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 23/23 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 12/16 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (OVERLAPS) 2/38 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 11/31 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (OVERLAPS) 44/82 variables, 38/69 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 10/79 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 44/123 constraints. Problems are: Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:41] [INFO ] Deduced a trap composed of 10 places in 40 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/82 variables, 1/124 constraints. Problems are: Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:41] [INFO ] Deduced a trap along path composed of 2 places in 27 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/82 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/82 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 12 (OVERLAPS) 0/82 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Int declared 82/82 variables, and 125 constraints, problems are : Problem set: 0 solved, 44 unsolved in 1832 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 38/38 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3787ms problems are : Problem set: 0 solved, 44 unsolved
Search for dead transitions found 0 dead transitions in 3788ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 3919 ms. Remains : 38/38 places, 46/46 transitions.
Computed a total of 1 stabilizing places and 2 stable transitions
Computed a total of 1 stabilizing places and 2 stable transitions
Knowledge obtained : [(AND p0 p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X (AND p0 p1)), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 10 factoid took 326 ms. Reduced automaton from 6 states, 15 edges and 2 AP (stutter insensitive) to 6 states, 15 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 266 ms :[(OR p0 p1), p0, p1, false, false, false]
RANDOM walk for 359 steps (0 resets) in 12 ms. (27 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND p0 p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X (AND p0 p1)), (X p0), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X p1)), (X (X (NOT p1))), (F (NOT p0)), (F (NOT (AND p0 p1))), (F (NOT p1)), (F (NOT (OR (NOT p0) p1))), (F (NOT (OR p0 (NOT p1)))), (F (NOT (OR p0 p1)))]
Knowledge based reduction with 10 factoid took 528 ms. Reduced automaton from 6 states, 15 edges and 2 AP (stutter insensitive) to 6 states, 15 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 264 ms :[(OR p0 p1), p0, p1, false, false, false]
Stuttering acceptance computed with spot in 263 ms :[(OR p0 p1), p0, p1, false, false, false]
[2025-06-02 13:38:44] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
[2025-06-02 13:38:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-02 13:38:44] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:44] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-02 13:38:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-02 13:38:44] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:44] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-02 13:38:44] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-02 13:38:44] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:44] [INFO ] Deduced a trap composed of 7 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:44] [INFO ] Deduced a trap composed of 9 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:45] [INFO ] Deduced a trap composed of 4 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:45] [INFO ] Deduced a trap composed of 7 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:45] [INFO ] Deduced a trap composed of 7 places in 40 ms of which 3 ms to minimize.
[2025-06-02 13:38:45] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 228 ms
[2025-06-02 13:38:45] [INFO ] Computed and/alt/rep : 44/124/42 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-02 13:38:45] [INFO ] Added : 40 causal constraints over 8 iterations in 47 ms. Result :sat
Could not prove EG p0
[2025-06-02 13:38:45] [INFO ] Flow matrix only has 44 transitions (discarded 2 similar events)
[2025-06-02 13:38:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-02 13:38:45] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2025-06-02 13:38:45] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-02 13:38:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-02 13:38:45] [INFO ] [Nat]Absence check using 8 positive place invariants in 1 ms returned sat
[2025-06-02 13:38:45] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-02 13:38:45] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-02 13:38:45] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:45] [INFO ] Deduced a trap composed of 7 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:45] [INFO ] Deduced a trap composed of 10 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 13:38:45] [INFO ] Deduced a trap composed of 9 places in 29 ms of which 1 ms to minimize.
[2025-06-02 13:38:45] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 116 ms
[2025-06-02 13:38:45] [INFO ] Computed and/alt/rep : 44/124/42 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-02 13:38:45] [INFO ] Added : 30 causal constraints over 7 iterations in 41 ms. Result :sat
Could not prove EG p1
Stuttering acceptance computed with spot in 253 ms :[(OR p0 p1), p0, p1, false, false, false]
Product exploration explored 100000 steps with 9386 reset in 163 ms.
Product exploration explored 100000 steps with 9425 reset in 165 ms.
Built C files in :
/tmp/ltsmin7566094628995451548
[2025-06-02 13:38:46] [INFO ] Computing symmetric may disable matrix : 46 transitions.
[2025-06-02 13:38:46] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:38:46] [INFO ] Computing symmetric may enable matrix : 46 transitions.
[2025-06-02 13:38:46] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:38:46] [INFO ] Computing Do-Not-Accords matrix : 46 transitions.
[2025-06-02 13:38:46] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 13:38:46] [INFO ] Built C files in 24ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7566094628995451548
Running compilation step : cd /tmp/ltsmin7566094628995451548;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 296 ms.
Running link step : cd /tmp/ltsmin7566094628995451548;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 55 ms.
Running LTSmin : cd /tmp/ltsmin7566094628995451548;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased17298939415353845445.hoa' '--buchi-type=spotba'
LTSmin run took 180 ms.
FORMULA LamportFastMutEx-COL-2-LTLFireability-13 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property LamportFastMutEx-COL-2-LTLFireability-13 finished in 10813 ms.
All properties solved by simple procedures.
Total runtime 35622 ms.

BK_STOP 1748871526684

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="LamportFastMutEx-COL-2"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is LamportFastMutEx-COL-2, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r114-tall-174876423000596"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-COL-2.tgz
mv LamportFastMutEx-COL-2 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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