Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r240-tall-174915589900492.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 TwoPhaseLocking-PT-nC00020vN, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915589900492
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 8.6K May 29 14:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K May 29 14:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 29 14:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K May 29 14:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 29 14:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 138K May 29 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K May 29 14:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K May 29 14:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 10 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 4.6K May 29 14:33 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 TwoPhaseLocking-PT-nC00020vN-LTLFireability-00
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-01
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-02
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-03
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-04
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-05
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-06
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-07
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-08
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-09
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-10
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-11
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-12
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-13
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-14
FORMULA_NAME TwoPhaseLocking-PT-nC00020vN-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749236364426

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=TwoPhaseLocking-PT-nC00020vN
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-06 18:59:25] [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]
[2025-06-06 18:59:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 18:59:26] [INFO ] Load time of PNML (sax parser for PT used): 32 ms
[2025-06-06 18:59:26] [INFO ] Transformed 8 places.
[2025-06-06 18:59:26] [INFO ] Transformed 6 transitions.
[2025-06-06 18:59:26] [INFO ] Parsed PT model containing 8 places and 6 transitions and 18 arcs in 137 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 8 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 7 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2025-06-06 18:59:26] [INFO ] Computed 3 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:26] [INFO ] Implicit Places using invariants in 170 ms returned []
[2025-06-06 18:59:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:26] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 271 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2025-06-06 18:59:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 113 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 100 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 227ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 238ms
Finished structural reductions in LTL mode , in 1 iterations and 534 ms. Remains : 8/8 places, 6/6 transitions.
Support contains 8 out of 8 places after structural reductions.
[2025-06-06 18:59:26] [INFO ] Flatten gal took : 13 ms
[2025-06-06 18:59:26] [INFO ] Flatten gal took : 2 ms
[2025-06-06 18:59:26] [INFO ] Input system was already deterministic with 6 transitions.
RANDOM walk for 189 steps (0 resets) in 10 ms. (17 steps per ms) remains 0/7 properties
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-11 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 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' '!((F(p0) U X((G((p1 U X(X(X(p0))))) U !p1))))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2025-06-06 18:59:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:27] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-06-06 18:59:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:27] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2025-06-06 18:59:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 74 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 63 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 142ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 143ms
Finished structural reductions in LTL mode , in 1 iterations and 200 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 353 ms :[p1, p1, p1, (NOT p0), (OR (NOT p0) p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-00
Product exploration explored 100000 steps with 1566 reset in 285 ms.
Stack based approach found an accepted trace after 6 steps with 0 reset with depth 7 and stack size 7 in 1 ms.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-00 finished in 955 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)&&F(p1))))'
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 2 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2025-06-06 18:59:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:28] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-06-06 18:59:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:28] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2025-06-06 18:59:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 72 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 60 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 137ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 138ms
Finished structural reductions in LTL mode , in 1 iterations and 202 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 162 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (NOT p0), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-01
Product exploration explored 100000 steps with 4992 reset in 150 ms.
Stack based approach found an accepted trace after 12 steps with 0 reset with depth 13 and stack size 13 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-01 finished in 534 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 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 7 transition count 5
Applied a total of 2 rules in 12 ms. Remains 7 /8 variables (removed 1) and now considering 5/6 (removed 1) transitions.
// Phase 1: matrix 5 rows 7 cols
[2025-06-06 18:59:28] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:28] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-06 18:59:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:28] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 18:59:28] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2025-06-06 18:59:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/12 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12/12 variables, and 10 constraints, problems are : Problem set: 0 solved, 4 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/12 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12/12 variables, and 14 constraints, problems are : Problem set: 0 solved, 4 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 121ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 122ms
Starting structural reductions in SI_LTL mode, iteration 1 : 7/8 places, 5/6 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 181 ms. Remains : 7/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 593 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-02
Product exploration explored 100000 steps with 1 reset in 106 ms.
Stack based approach found an accepted trace after 28 steps with 0 reset with depth 29 and stack size 29 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-02 finished in 898 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(!p0)))'
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 7 transition count 5
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 2 place count 7 transition count 4
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 6 transition count 4
Applied a total of 4 rules in 7 ms. Remains 6 /8 variables (removed 2) and now considering 4/6 (removed 2) transitions.
// Phase 1: matrix 4 rows 6 cols
[2025-06-06 18:59:29] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:29] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-06 18:59:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:29] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 18:59:29] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-06 18:59:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 4/10 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/10 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 10/10 variables, and 9 constraints, problems are : Problem set: 0 solved, 3 unsolved in 40 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 1/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 4/10 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/10 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/10 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 10/10 variables, and 12 constraints, problems are : Problem set: 0 solved, 3 unsolved in 40 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 83ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 83ms
Starting structural reductions in SI_LTL mode, iteration 1 : 6/8 places, 4/6 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 139 ms. Remains : 6/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 30 ms :[p0]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-04
Product exploration explored 100000 steps with 0 reset in 90 ms.
Stack based approach found an accepted trace after 12 steps with 0 reset with depth 13 and stack size 13 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-04 finished in 279 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(p0)||(!p1 U G(!p2))||X(F(!p1))))'
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2025-06-06 18:59:30] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:30] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-06-06 18:59:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:30] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2025-06-06 18:59:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 58 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 121ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 121ms
Finished structural reductions in LTL mode , in 1 iterations and 169 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 184 ms :[p1, (AND p1 (NOT p0) p2), (AND p1 p2), (AND p1 p2 (NOT p0)), (AND p1 (NOT p0))]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-05
Product exploration explored 100000 steps with 50000 reset in 89 ms.
Product exploration explored 100000 steps with 50000 reset in 86 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 (NOT p0) (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p0) p2 p1))), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 (NOT p2) p1))), (X (NOT (AND p2 p1))), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (NOT (AND p0 p2 p1))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND (NOT p2) p1))), (X (NOT (AND p0 p1))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p2 p1)))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (NOT (AND p0 p2 p1))))]
False Knowledge obtained : [(X (X (AND p0 (NOT p2) p1))), (X (X (NOT (AND p0 (NOT p2) p1)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p2) p1)))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1))))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 18 factoid took 22 ms. Reduced automaton from 5 states, 13 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-05 finished in 576 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||G(p2))) U (p3 U X(X(p3)))))'
Support contains 5 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2025-06-06 18:59:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:30] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-06-06 18:59:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:30] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2025-06-06 18:59:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 70 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 148ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 148ms
Finished structural reductions in LTL mode , in 1 iterations and 202 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 816 ms :[(NOT p3), (NOT p3), (AND (NOT p1) (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p3) (NOT p2)), (NOT p3), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND p1 (NOT p2) (NOT p3))), (NOT p3), true, (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p3) (NOT p2)), (NOT p3), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND p1 (NOT p2) (NOT p3))), (NOT p2), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-06
Product exploration explored 100000 steps with 10265 reset in 122 ms.
Product exploration explored 100000 steps with 10214 reset in 115 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p3) p1 (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND p3 (NOT p1) (NOT p2) p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (OR p1 p2 (NOT p0))), (X (NOT (AND (NOT p1) (NOT p2) p0))), (X (NOT (AND (NOT p3) (NOT p1) (NOT p2) p0))), (X (NOT (OR (AND p3 p1 (NOT p2)) (AND p3 (NOT p2) (NOT p0))))), (X (OR (AND (NOT p3) p1 (NOT p2)) (AND (NOT p3) (NOT p2) (NOT p0)))), (X (NOT (AND (NOT p3) (NOT p1) (NOT p0)))), (X (NOT (OR (AND p3 p1 p2) (AND p3 p2 (NOT p0))))), (X (NOT (AND (NOT p3) (NOT p1) p2 p0))), (X (NOT p0)), (X (NOT (AND (NOT p1) p2 p0))), (X p1), (X (NOT (AND p3 (NOT p1) p2 p0))), (X (NOT (OR (AND (NOT p3) p1 p2) (AND (NOT p3) p2 (NOT p0))))), (X (X (NOT (AND (NOT p3) (NOT p1) (NOT p2) p0)))), (X (X (NOT p2))), (X (X (OR (AND (NOT p3) p1) (AND (NOT p3) p2) (AND (NOT p3) (NOT p0))))), (X (X (NOT p3))), (X (X (OR (AND (NOT p3) p1 (NOT p2)) (AND (NOT p3) (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p3) (NOT p1) (NOT p0))))), (X (X (AND (NOT p3) (NOT p2)))), (X (X (NOT (AND (NOT p3) (NOT p1) p2 p0)))), (X (X (NOT (AND (NOT p3) p2)))), (X (X (NOT p0))), (X (X p1)), (X (X (NOT (OR (AND (NOT p3) p1 p2) (AND (NOT p3) p2 (NOT p0))))))]
False Knowledge obtained : []
Knowledge based reduction with 30 factoid took 141 ms. Reduced automaton from 19 states, 50 edges and 4 AP (stutter sensitive) to 12 states, 25 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 528 ms :[(NOT p3), (NOT p3), (NOT p3), true, (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p3) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2))]
RANDOM walk for 997 steps (0 resets) in 43 ms. (22 steps per ms) remains 0/14 properties
Knowledge obtained : [(AND (NOT p3) p1 (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT p3)), (X (NOT (AND p3 (NOT p1) (NOT p2) p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (OR p1 p2 (NOT p0))), (X (NOT (AND (NOT p1) (NOT p2) p0))), (X (NOT (AND (NOT p3) (NOT p1) (NOT p2) p0))), (X (NOT (OR (AND p3 p1 (NOT p2)) (AND p3 (NOT p2) (NOT p0))))), (X (OR (AND (NOT p3) p1 (NOT p2)) (AND (NOT p3) (NOT p2) (NOT p0)))), (X (NOT (AND (NOT p3) (NOT p1) (NOT p0)))), (X (NOT (OR (AND p3 p1 p2) (AND p3 p2 (NOT p0))))), (X (NOT (AND (NOT p3) (NOT p1) p2 p0))), (X (NOT p0)), (X (NOT (AND (NOT p1) p2 p0))), (X p1), (X (NOT (AND p3 (NOT p1) p2 p0))), (X (NOT (OR (AND (NOT p3) p1 p2) (AND (NOT p3) p2 (NOT p0))))), (X (X (NOT (AND (NOT p3) (NOT p1) (NOT p2) p0)))), (X (X (NOT p2))), (X (X (OR (AND (NOT p3) p1) (AND (NOT p3) p2) (AND (NOT p3) (NOT p0))))), (X (X (NOT p3))), (X (X (OR (AND (NOT p3) p1 (NOT p2)) (AND (NOT p3) (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p3) (NOT p1) (NOT p0))))), (X (X (AND (NOT p3) (NOT p2)))), (X (X (NOT (AND (NOT p3) (NOT p1) p2 p0)))), (X (X (NOT (AND (NOT p3) p2)))), (X (X (NOT p0))), (X (X p1)), (X (X (NOT (OR (AND (NOT p3) p1 p2) (AND (NOT p3) p2 (NOT p0))))))]
False Knowledge obtained : [(F (NOT (AND (NOT p2) (NOT p3)))), (F (NOT (OR p0 p1 p3))), (F (NOT (OR p0 p1 (NOT p2)))), (F (NOT (OR (NOT p0) p1 (NOT p2) p3))), (F (NOT (OR (AND (NOT p0) (NOT p3)) (AND p1 (NOT p3)) (AND p2 (NOT p3))))), (F (NOT p1)), (F p3), (F (NOT (OR (NOT p0) p1 (NOT p2)))), (F (NOT (OR (NOT p0) p1 p2))), (F p2), (F (NOT (OR p0 p1 p2))), (F (NOT (OR (NOT p2) p3))), (F p0), (F (NOT (OR (NOT p0) p1 p2 p3)))]
Knowledge based reduction with 30 factoid took 678 ms. Reduced automaton from 12 states, 25 edges and 4 AP (stutter sensitive) to 12 states, 25 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 505 ms :[(NOT p3), (NOT p3), (NOT p3), true, (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p3) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 541 ms :[(NOT p3), (NOT p3), (NOT p3), true, (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p3) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2))]
[2025-06-06 18:59:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 18:59:34] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 18:59:34] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-06 18:59:34] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 0 ms.
[2025-06-06 18:59:34] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Could not prove EG (NOT p3)
Support contains 5 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2025-06-06 18:59:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:34] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-06-06 18:59:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:34] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2025-06-06 18:59:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 60 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 62 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 124ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 124ms
Finished structural reductions in LTL mode , in 1 iterations and 176 ms. Remains : 8/8 places, 6/6 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p3) (NOT p0) p1 (NOT p2)), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (OR (AND (NOT p0) (NOT p3)) (AND p1 (NOT p3)) (AND p2 (NOT p3))))), (X (X (NOT (AND p0 (NOT p1) p2 (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p3))))), (X (X (NOT (AND p0 (NOT p1) (NOT p2) (NOT p3))))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 138 ms. Reduced automaton from 12 states, 25 edges and 4 AP (stutter sensitive) to 12 states, 25 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 532 ms :[(NOT p3), (NOT p3), (NOT p3), true, (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p3) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2))]
RANDOM walk for 1220 steps (0 resets) in 29 ms. (40 steps per ms) remains 0/14 properties
Knowledge obtained : [(AND (NOT p3) (NOT p0) p1 (NOT p2)), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (OR (AND (NOT p0) (NOT p3)) (AND p1 (NOT p3)) (AND p2 (NOT p3))))), (X (X (NOT (AND p0 (NOT p1) p2 (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p3))))), (X (X (NOT (AND p0 (NOT p1) (NOT p2) (NOT p3))))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) p3 p1 (NOT p2)))), (F p3), (F (NOT (OR p0 p1 (NOT p2)))), (F (NOT (OR (NOT p0) p3 p1 p2))), (F (NOT (OR (NOT p0) p1 p2))), (F (NOT p1)), (F (NOT (OR p0 p3 p1))), (F (NOT (OR (NOT p0) p1 (NOT p2)))), (F (NOT (AND (NOT p3) (NOT p2)))), (F p2), (F (NOT (OR (AND (NOT p0) (NOT p3)) (AND (NOT p3) p1) (AND (NOT p3) p2)))), (F (NOT (OR p0 p1 p2))), (F p0), (F (NOT (OR p3 (NOT p2))))]
Knowledge based reduction with 9 factoid took 606 ms. Reduced automaton from 12 states, 25 edges and 4 AP (stutter sensitive) to 12 states, 25 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 535 ms :[(NOT p3), (NOT p3), (NOT p3), true, (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p3) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 514 ms :[(NOT p3), (NOT p3), (NOT p3), true, (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p3) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2))]
[2025-06-06 18:59:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 18:59:36] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 18:59:37] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-06 18:59:37] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-06 18:59:37] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Could not prove EG (NOT p3)
Stuttering acceptance computed with spot in 532 ms :[(NOT p3), (NOT p3), (NOT p3), true, (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p3) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 10259 reset in 98 ms.
Product exploration explored 100000 steps with 10313 reset in 115 ms.
Applying partial POR strategy [false, false, true, true, true, true, false, false, false, false, true, true]
Stuttering acceptance computed with spot in 533 ms :[(NOT p3), (NOT p3), (NOT p3), true, (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p3) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2))]
Support contains 5 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 8 transition count 6
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 6
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 4 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 18:59:38] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
// Phase 1: matrix 6 rows 8 cols
[2025-06-06 18:59:38] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem TDEAD3 is UNSAT
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 1 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 1 solved, 4 unsolved in 60 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 4 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 2/8 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/14 variables, 4/15 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 15 constraints, problems are : Problem set: 1 solved, 4 unsolved in 51 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 4/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 115ms problems are : Problem set: 1 solved, 4 unsolved
Search for dead transitions found 1 dead transitions in 115ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) removed 1 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 8/8 places, 5/6 transitions.
Graph (complete) has 12 edges and 8 vertex of which 7 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 3 ms. Remains 7 /8 variables (removed 1) and now considering 5/5 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 7/8 places, 5/6 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 140 ms. Remains : 7/8 places, 5/6 transitions.
Built C files in :
/tmp/ltsmin17836612314922675273
[2025-06-06 18:59:38] [INFO ] Built C files in 9ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17836612314922675273
Running compilation step : cd /tmp/ltsmin17836612314922675273;'/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 221 ms.
Running link step : cd /tmp/ltsmin17836612314922675273;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 54 ms.
Running LTSmin : cd /tmp/ltsmin17836612314922675273;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased13715704107279292952.hoa' '--buchi-type=spotba'
LTSmin run took 93 ms.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-06 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-06 finished in 8489 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((!X(F(p0)) U p1)))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2025-06-06 18:59:39] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:39] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-06 18:59:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:39] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2025-06-06 18:59:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 52 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 54 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 110ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 110ms
Finished structural reductions in LTL mode , in 1 iterations and 159 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 186 ms :[p0, (NOT p1), true, (NOT p1), (OR (NOT p1) p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-07
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-07 finished in 361 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(p0)||X(X((p1||(p0&&X(!p0)))))))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2025-06-06 18:59:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:39] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-06-06 18:59:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:39] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2025-06-06 18:59:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 68 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 131ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 132ms
Finished structural reductions in LTL mode , in 1 iterations and 194 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 293 ms :[(NOT p1), p0, false, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), true, (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-08
Entered a terminal (fully accepting) state of product in 11 steps with 3 reset in 1 ms.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-08 finished in 506 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((X(X((G(!p0)||X(!p1)))) U (p0 U X(p0))))))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2025-06-06 18:59:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:40] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-06-06 18:59:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:40] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2025-06-06 18:59:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 54 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 59 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 116ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 116ms
Finished structural reductions in LTL mode , in 1 iterations and 169 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 342 ms :[p1, (NOT p0), (OR (NOT p0) p1), (OR (NOT p0) p1), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-09
Product exploration explored 100000 steps with 25000 reset in 107 ms.
Product exploration explored 100000 steps with 25000 reset in 106 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 102 ms. Reduced automaton from 10 states, 14 edges and 2 AP (stutter sensitive) to 8 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 313 ms :[p1, (NOT p0), (OR (NOT p0) p1), (NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
RANDOM walk for 92 steps (0 resets) in 4 ms. (18 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p1) p0), (X (X p0))]
False Knowledge obtained : [(F p1), (F (NOT (OR p0 p1))), (F (NOT p0)), (F (NOT (AND p0 (NOT p1))))]
Knowledge based reduction with 2 factoid took 198 ms. Reduced automaton from 8 states, 10 edges and 2 AP (stutter sensitive) to 8 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 302 ms :[p1, (NOT p0), (OR (NOT p0) p1), (NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Stuttering acceptance computed with spot in 303 ms :[p1, (NOT p0), (OR (NOT p0) p1), (NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2025-06-06 18:59:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:42] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-06-06 18:59:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:42] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2025-06-06 18:59:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 69 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 131ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 131ms
Finished structural reductions in LTL mode , in 1 iterations and 190 ms. Remains : 8/8 places, 6/6 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) p0)]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 87 ms. Reduced automaton from 8 states, 10 edges and 2 AP (stutter sensitive) to 8 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 325 ms :[p1, (NOT p0), (OR (NOT p0) p1), (NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
RANDOM walk for 92 steps (0 resets) in 4 ms. (18 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p1) p0)]
False Knowledge obtained : [(F p1), (F (NOT (OR p0 p1))), (F (NOT p0)), (F (NOT (AND p0 (NOT p1))))]
Knowledge based reduction with 1 factoid took 160 ms. Reduced automaton from 8 states, 10 edges and 2 AP (stutter sensitive) to 8 states, 10 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 292 ms :[p1, (NOT p0), (OR (NOT p0) p1), (NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
Stuttering acceptance computed with spot in 294 ms :[p1, (NOT p0), (OR (NOT p0) p1), (NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
Stuttering acceptance computed with spot in 307 ms :[p1, (NOT p0), (OR (NOT p0) p1), (NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
Product exploration explored 100000 steps with 25000 reset in 58 ms.
Product exploration explored 100000 steps with 25000 reset in 68 ms.
Applying partial POR strategy [true, false, false, false, false, false, true, false]
Stuttering acceptance computed with spot in 265 ms :[p1, (NOT p0), (OR (NOT p0) p1), (NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 6
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 1 place count 8 transition count 6
Deduced a syphon composed of 2 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 2 place count 8 transition count 6
Deduced a syphon composed of 2 places in 0 ms
Applied a total of 2 rules in 2 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 18:59:44] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
// Phase 1: matrix 6 rows 8 cols
[2025-06-06 18:59:44] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD3 is UNSAT
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 2 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 2 solved, 3 unsolved in 55 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/8 variables, 3/3 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/14 variables, 3/14 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/14 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/14 constraints. Problems are: Problem set: 2 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 14 constraints, problems are : Problem set: 2 solved, 3 unsolved in 51 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 3/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 110ms problems are : Problem set: 2 solved, 3 unsolved
Search for dead transitions found 2 dead transitions in 111ms
Found 2 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 2 transitions
Dead transitions reduction (with SMT) removed 2 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 8/8 places, 4/6 transitions.
Graph (complete) has 12 edges and 8 vertex of which 6 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 1 ms. Remains 6 /8 variables (removed 2) and now considering 4/4 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 6/8 places, 4/6 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 119 ms. Remains : 6/8 places, 4/6 transitions.
Built C files in :
/tmp/ltsmin8575219532629917241
[2025-06-06 18:59:44] [INFO ] Built C files in 1ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8575219532629917241
Running compilation step : cd /tmp/ltsmin8575219532629917241;'/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 74 ms.
Running link step : cd /tmp/ltsmin8575219532629917241;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 31 ms.
Running LTSmin : cd /tmp/ltsmin8575219532629917241;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased11008502798647503198.hoa' '--buchi-type=spotba'
LTSmin run took 126 ms.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-09 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-09 finished in 4562 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&&F(p1)))||(X(X(X(!p2))) U ((!p3&&X(X(X(!p2))))||X(X(X(G(!p2)))))))))'
Support contains 6 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2025-06-06 18:59:44] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:44] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-06-06 18:59:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:44] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2025-06-06 18:59:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 69 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 129ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 130ms
Finished structural reductions in LTL mode , in 1 iterations and 181 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 796 ms :[(OR (AND (NOT p1) p2) (AND p0 p2)), (AND (NOT p1) p2), (OR (AND (NOT p1) p2) (AND p0 p2)), (AND (NOT p1) p2), (OR (AND (NOT p1) p2) (AND p0 p2)), (AND (NOT p1) p2), (OR (AND (NOT p1) p2) (AND p0 p2)), (AND (NOT p1) p2), (OR (AND (NOT p1) p2) (AND p0 p2)), (AND (NOT p1) p2), (OR (AND (NOT p1) p2) (AND p0 p2)), (AND (NOT p1) p2), (OR (AND (NOT p1) p2) (AND p0 p2)), (AND (NOT p1) p2), (OR (AND (NOT p1) p2) (AND p0 p2)), (AND (NOT p1) p2)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-10
Product exploration explored 100000 steps with 5748 reset in 122 ms.
Stack based approach found an accepted trace after 52 steps with 5 reset with depth 17 and stack size 17 in 1 ms.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-10 finished in 1129 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2025-06-06 18:59:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:45] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-06-06 18:59:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:45] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2025-06-06 18:59:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/14 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 14/14 variables, and 11 constraints, problems are : Problem set: 0 solved, 5 unsolved in 55 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 6/14 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/14 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/14 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 14/14 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 69 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 126ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 126ms
Finished structural reductions in LTL mode , in 1 iterations and 183 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 130 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-12
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-12 finished in 332 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||G(p1))))'
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 7 transition count 5
Applied a total of 2 rules in 4 ms. Remains 7 /8 variables (removed 1) and now considering 5/6 (removed 1) transitions.
// Phase 1: matrix 5 rows 7 cols
[2025-06-06 18:59:46] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:46] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-06 18:59:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:46] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 18:59:46] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2025-06-06 18:59:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/12 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12/12 variables, and 10 constraints, problems are : Problem set: 0 solved, 4 unsolved in 54 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/12 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12/12 variables, and 14 constraints, problems are : Problem set: 0 solved, 4 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 114ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 114ms
Starting structural reductions in SI_LTL mode, iteration 1 : 7/8 places, 5/6 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 169 ms. Remains : 7/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 46 ms :[(AND (NOT p1) (NOT p0))]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-13
Product exploration explored 100000 steps with 10230 reset in 74 ms.
Product exploration explored 100000 steps with 10262 reset in 77 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p1 (NOT p0)))), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 90 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 25 ms :[(AND (NOT p0) (NOT p1))]
RANDOM walk for 140 steps (0 resets) in 6 ms. (20 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p1 (NOT p0)))), (X (AND (NOT p1) (NOT p0))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (OR p0 (NOT p1)))), (F p0), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 9 factoid took 241 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 43 ms :[(AND (NOT p0) (NOT p1))]
[2025-06-06 18:59:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 18:59:46] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 18:59:46] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-06 18:59:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 18:59:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 18:59:46] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2025-06-06 18:59:46] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 0 ms.
[2025-06-06 18:59:46] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Support contains 2 out of 7 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 7/7 places, 5/5 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2025-06-06 18:59:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:46] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-06 18:59:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:46] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 18:59:46] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2025-06-06 18:59:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/12 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12/12 variables, and 10 constraints, problems are : Problem set: 0 solved, 4 unsolved in 49 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/12 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12/12 variables, and 14 constraints, problems are : Problem set: 0 solved, 4 unsolved in 49 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 101ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 101ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 166 ms. Remains : 7/7 places, 5/5 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 94 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[(AND (NOT p0) (NOT p1))]
RANDOM walk for 140 steps (0 resets) in 7 ms. (17 steps per ms) remains 0/4 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1), (F (NOT (OR p0 (NOT p1)))), (F p0), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 9 factoid took 231 ms. Reduced automaton from 1 states, 2 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 39 ms :[(AND (NOT p0) (NOT p1))]
[2025-06-06 18:59:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 18:59:47] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-06 18:59:47] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-06 18:59:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 18:59:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2025-06-06 18:59:47] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-06 18:59:47] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-06 18:59:47] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Stuttering acceptance computed with spot in 41 ms :[(AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 10245 reset in 80 ms.
Product exploration explored 100000 steps with 10231 reset in 85 ms.
Built C files in :
/tmp/ltsmin15678304675466643154
[2025-06-06 18:59:47] [INFO ] Computing symmetric may disable matrix : 5 transitions.
[2025-06-06 18:59:47] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 18:59:47] [INFO ] Computing symmetric may enable matrix : 5 transitions.
[2025-06-06 18:59:47] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 18:59:47] [INFO ] Computing Do-Not-Accords matrix : 5 transitions.
[2025-06-06 18:59:47] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 18:59:47] [INFO ] Built C files in 17ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15678304675466643154
Running compilation step : cd /tmp/ltsmin15678304675466643154;'/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 82 ms.
Running link step : cd /tmp/ltsmin15678304675466643154;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 30 ms.
Running LTSmin : cd /tmp/ltsmin15678304675466643154;'/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/stateBased17756590360801277211.hoa' '--buchi-type=spotba'
LTSmin run took 61 ms.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-13 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-13 finished in 2028 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 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 7 transition count 5
Applied a total of 2 rules in 1 ms. Remains 7 /8 variables (removed 1) and now considering 5/6 (removed 1) transitions.
// Phase 1: matrix 5 rows 7 cols
[2025-06-06 18:59:48] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:48] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-06 18:59:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 18:59:48] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 18:59:48] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2025-06-06 18:59:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/12 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/12 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12/12 variables, and 10 constraints, problems are : Problem set: 0 solved, 4 unsolved in 43 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/7 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 5/12 variables, 7/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12/12 variables, and 14 constraints, problems are : Problem set: 0 solved, 4 unsolved in 52 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 98ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 98ms
Starting structural reductions in SI_LTL mode, iteration 1 : 7/8 places, 5/6 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 148 ms. Remains : 7/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00020vN-LTLFireability-14
Product exploration explored 100000 steps with 0 reset in 96 ms.
Stack based approach found an accepted trace after 23 steps with 0 reset with depth 24 and stack size 24 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00020vN-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00020vN-LTLFireability-14 finished in 292 ms.
All properties solved by simple procedures.
Total runtime 22438 ms.

BK_STOP 1749236388362

--------------------
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="TwoPhaseLocking-PT-nC00020vN"
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 TwoPhaseLocking-PT-nC00020vN, 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 r240-tall-174915589900492"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/TwoPhaseLocking-PT-nC00020vN.tgz
mv TwoPhaseLocking-PT-nC00020vN 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 ;