Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r240-tall-174915590000532.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-nC00200vD, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915590000532
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 8.9K May 29 14:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 91K 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 51K May 29 14:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K May 29 14:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 29 14:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 29 14:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K May 29 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 90K 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-nC00200vD-LTLFireability-00
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-01
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-02
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-03
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-04
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-05
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-06
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-07
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-08
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-09
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-10
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-11
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-12
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-13
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-14
FORMULA_NAME TwoPhaseLocking-PT-nC00200vD-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749239529571

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-nC00200vD
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-06 19:52:11] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-06 19:52:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 19:52:11] [INFO ] Load time of PNML (sax parser for PT used): 32 ms
[2025-06-06 19:52:11] [INFO ] Transformed 8 places.
[2025-06-06 19:52:11] [INFO ] Transformed 6 transitions.
[2025-06-06 19:52:11] [INFO ] Parsed PT model containing 8 places and 6 transitions and 18 arcs in 136 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 5 formulas.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 8 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 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 19:52:11] [INFO ] Computed 3 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 19:52:11] [INFO ] Implicit Places using invariants in 171 ms returned []
[2025-06-06 19:52:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 19:52:12] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 269 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2025-06-06 19:52:12] [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 119 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 120 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 261ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 271ms
Finished structural reductions in LTL mode , in 1 iterations and 574 ms. Remains : 8/8 places, 6/6 transitions.
Support contains 8 out of 8 places after structural reductions.
[2025-06-06 19:52:12] [INFO ] Flatten gal took : 12 ms
[2025-06-06 19:52:12] [INFO ] Flatten gal took : 2 ms
[2025-06-06 19:52:12] [INFO ] Input system was already deterministic with 6 transitions.
Reduction of identical properties reduced properties to check from 10 to 9
RANDOM walk for 34688 steps (38 resets) in 157 ms. (219 steps per ms) remains 0/9 properties
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' '!(G(F(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
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 2 with 2 rules applied. Total rules applied 4 place count 6 transition count 4
Applied a total of 4 rules in 11 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 19:52:12] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 19:52:13] [INFO ] Implicit Places using invariants in 33 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 35 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/8 places, 4/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 47 ms. Remains : 5/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 199 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-00
Product exploration explored 100000 steps with 57 reset in 214 ms.
Product exploration explored 100000 steps with 67 reset in 163 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 : [(NOT p0), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 134 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 122 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 80 ms :[(NOT p0), (NOT p0)]
// Phase 1: matrix 4 rows 5 cols
[2025-06-06 19:52:14] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 19:52:14] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 19:52:14] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-06 19:52:14] [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 19:52:14] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 19:52:14] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-06 19:52:14] [INFO ] Computed and/alt/rep : 3/3/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-06 19:52:14] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 3 out of 5 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 5/5 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2025-06-06 19:52:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 19:52:14] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-06 19:52:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 19:52:14] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 19:52:14] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-06 19:52:14] [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) 4/9 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 0/9 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 9/9 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 53 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 5/5 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) 4/9 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 0/9 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 9/9 variables, and 10 constraints, problems are : Problem set: 0 solved, 3 unsolved in 45 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 5/5 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 101ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 101ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 149 ms. Remains : 5/5 places, 4/4 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 : [(NOT p0), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 113 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 82 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 165 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 86 ms :[(NOT p0), (NOT p0)]
[2025-06-06 19:52:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 19:52:14] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 19:52:14] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-06 19:52:14] [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 19:52:14] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 19:52:14] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-06 19:52:14] [INFO ] Computed and/alt/rep : 3/3/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-06 19:52:14] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 76 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 67 reset in 131 ms.
Stuttering criterion allowed to conclude after 27624 steps with 33 reset in 35 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-00 finished in 2318 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(!(p0 U X((!(F(G(p0))&&X(X(p1)))&&F(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.
// Phase 1: matrix 6 rows 8 cols
[2025-06-06 19:52:15] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 19:52:15] [INFO ] Implicit Places using invariants in 25 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 26 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 27 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 373 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1)), (OR (NOT p0) (NOT p1)), (AND p0 (NOT p1)), (OR (NOT p1) (NOT p0)), true, (NOT p0), (AND p0 (NOT p1)), p0, false]
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-01
Stuttering criterion allowed to conclude after 40186 steps with 0 reset in 50 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-01 finished in 478 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(p0)))'
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 19:52:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 19:52:15] [INFO ] Implicit Places using invariants in 26 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 27 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 28 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 114 ms :[(NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-03
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-03 finished in 153 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p1)||p0)))'
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.
[2025-06-06 19:52:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 19:52:15] [INFO ] Implicit Places using invariants in 21 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 22 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 23 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 138 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-04
Product exploration explored 100000 steps with 50000 reset in 90 ms.
Product exploration explored 100000 steps with 50000 reset in 107 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 p0), (X p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X p1), (X (NOT (AND (NOT p0) p1)))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 5 factoid took 11 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-04 finished in 382 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&X(p1)&&(p0||F(!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 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2025-06-06 19:52:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 19:52:16] [INFO ] Implicit Places using invariants in 20 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 21 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 23 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 173 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1), (NOT p0), p1, true]
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-05
Product exploration explored 100000 steps with 15436 reset in 72 ms.
Product exploration explored 100000 steps with 15519 reset in 71 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 p0) p1), (X (NOT p0)), (X (AND (NOT p0) p1)), (X p1), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 69 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 131 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), (NOT p0), p1]
RANDOM walk for 2431 steps (3 resets) in 7 ms. (303 steps per ms) remains 0/2 properties
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X (AND (NOT p0) p1)), (X p1), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : [(F p0), (F (NOT p1))]
Knowledge based reduction with 6 factoid took 125 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 159 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), (NOT p0), p1]
Stuttering acceptance computed with spot in 141 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), (NOT p0), p1]
// Phase 1: matrix 6 rows 7 cols
[2025-06-06 19:52:17] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
Proved EG (NOT p0)
[2025-06-06 19:52:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 19:52:17] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 19:52:17] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-06 19:52:17] [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 19:52:17] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 19:52:17] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2025-06-06 19:52:17] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 0 ms.
[2025-06-06 19:52:17] [INFO ] Added : 4 causal constraints over 1 iterations in 4 ms. Result :sat
Could not prove EG p1
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X (AND (NOT p0) p1)), (X p1), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : [(F p0), (F (NOT p1)), (G (NOT p0))]
Property proved to be false thanks to negative knowledge :(G (NOT p0))
Knowledge based reduction with 6 factoid took 186 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-05 FALSE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-05 finished in 1287 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(F(!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.
// Phase 1: matrix 6 rows 8 cols
[2025-06-06 19:52:17] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 19:52:17] [INFO ] Implicit Places using invariants in 27 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 28 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 31 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 149 ms :[p0, p0, p0, p0]
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-06
Product exploration explored 100000 steps with 4333 reset in 85 ms.
Stack based approach found an accepted trace after 164 steps with 13 reset with depth 99 and stack size 99 in 1 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-06 finished in 280 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(G(!p0))&&F(p1))))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 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 2 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 19:52:17] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 19:52:17] [INFO ] Implicit Places using invariants in 22 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 23 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/8 places, 5/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 5/5 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 27 ms. Remains : 6/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 106 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-08
Product exploration explored 100000 steps with 1 reset in 74 ms.
Stack based approach found an accepted trace after 15 steps with 0 reset with depth 16 and stack size 16 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-08 finished in 228 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(((!p0&&X(F(!p1))&&F(!p2))||G((!p0&&F(!p1))))) U p0))'
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.
Applied a total of 0 rules in 3 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 19:52:18] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 19:52:18] [INFO ] Implicit Places using invariants in 21 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 22 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 27 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 165 ms :[(NOT p0), p1, (OR (AND p0 p2) (AND p1 p2)), (AND p2 p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-09
Product exploration explored 100000 steps with 22923 reset in 62 ms.
Product exploration explored 100000 steps with 23231 reset in 82 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 p0) (NOT p2) p1), (X p0), (X (NOT p2)), (X (NOT (AND p0 p2))), (X (NOT (AND (NOT p0) p2))), (X p1), (X (NOT (AND (NOT p0) p1 p2))), (X (X (NOT p2))), (X (X (NOT (AND p0 p2)))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND p1 p2)))), (X (X p1)), (X (X (NOT (AND (NOT p0) p1 p2))))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 13 factoid took 200 ms. Reduced automaton from 4 states, 8 edges and 3 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 62 ms :[p1, p1]
RANDOM walk for 812 steps (0 resets) in 5 ms. (135 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p0) (NOT p2) p1), (X p0), (X (NOT p2)), (X (NOT (AND p0 p2))), (X (NOT (AND (NOT p0) p2))), (X p1), (X (NOT (AND (NOT p0) p1 p2))), (X (X (NOT p2))), (X (X (NOT (AND p0 p2)))), (X (X (NOT (AND (NOT p0) p2)))), (X (X (NOT (AND p1 p2)))), (X (X p1)), (X (X (NOT (AND (NOT p0) p1 p2))))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F (NOT p1))]
Knowledge based reduction with 13 factoid took 237 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 67 ms :[p1, p1]
Stuttering acceptance computed with spot in 75 ms :[p1, p1]
// Phase 1: matrix 6 rows 7 cols
[2025-06-06 19:52:19] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 19:52:19] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 19:52:19] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-06 19:52:19] [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 19:52:19] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 19:52:19] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-06 19:52:19] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-06 19:52:19] [INFO ] Added : 4 causal constraints over 1 iterations in 9 ms. Result :sat
Could not prove EG p1
Support contains 2 out of 7 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 7/7 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2025-06-06 19:52:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 19:52:19] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-06 19:52:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 19:52:19] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 19:52:19] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2025-06-06 19:52:19] [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) 6/13 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 9 constraints, problems are : Problem set: 0 solved, 5 unsolved in 55 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 7/7 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) 6/13 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 0/13 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 14 constraints, problems are : Problem set: 0 solved, 5 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 7/7 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 136ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 136ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 179 ms. Remains : 7/7 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 : [p1, (X p1), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 84 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 80 ms :[p1, p1]
RANDOM walk for 812 steps (0 resets) in 6 ms. (116 steps per ms) remains 0/1 properties
Knowledge obtained : [p1, (X p1), (X (X p1))]
False Knowledge obtained : [(F (NOT p1))]
Knowledge based reduction with 3 factoid took 88 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 86 ms :[p1, p1]
Stuttering acceptance computed with spot in 60 ms :[p1, p1]
[2025-06-06 19:52:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-06 19:52:19] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2025-06-06 19:52:19] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-06 19:52:19] [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 19:52:19] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-06 19:52:19] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-06 19:52:19] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-06 19:52:19] [INFO ] Added : 4 causal constraints over 1 iterations in 4 ms. Result :sat
Could not prove EG p1
Stuttering acceptance computed with spot in 60 ms :[p1, p1]
Product exploration explored 100000 steps with 15138 reset in 56 ms.
Product exploration explored 100000 steps with 15090 reset in 73 ms.
Built C files in :
/tmp/ltsmin9048799670721873246
[2025-06-06 19:52:20] [INFO ] Computing symmetric may disable matrix : 6 transitions.
[2025-06-06 19:52:20] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 19:52:20] [INFO ] Computing symmetric may enable matrix : 6 transitions.
[2025-06-06 19:52:20] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 19:52:20] [INFO ] Computing Do-Not-Accords matrix : 6 transitions.
[2025-06-06 19:52:20] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-06 19:52:20] [INFO ] Built C files in 15ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9048799670721873246
Running compilation step : cd /tmp/ltsmin9048799670721873246;'/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 212 ms.
Running link step : cd /tmp/ltsmin9048799670721873246;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 46 ms.
Running LTSmin : cd /tmp/ltsmin9048799670721873246;'/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/stateBased7685073866337770196.hoa' '--buchi-type=spotba'
LTSmin run took 127 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-09 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-09 finished in 2434 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_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 19:52:20] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 19:52:20] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-06 19:52:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 19:52:20] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 19:52:20] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2025-06-06 19:52:20] [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 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]
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 81 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 146ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 146ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 206 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-10
Product exploration explored 100000 steps with 1 reset in 114 ms.
Stack based approach found an accepted trace after 97 steps with 0 reset with depth 98 and stack size 98 in 1 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-10 finished in 372 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(!p0)&&X((G(F(!p1))||(F(!p2)&&(G(F(!p1))||(F(!p1)&&F(!p0))))))))'
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 19:52:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 19:52:20] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-06 19:52:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 19:52:20] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
Running 5 sub problems to find dead transitions.
[2025-06-06 19:52:20] [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 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]
After SMT, in 135ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 136ms
Finished structural reductions in LTL mode , in 1 iterations and 189 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 360 ms :[(OR p1 p0), p0, p1, p1, (AND p2 p1), (AND p0 p1), (AND p1 p2), (AND p0 p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-11
Product exploration explored 100000 steps with 40 reset in 99 ms.
Stack based approach found an accepted trace after 26 steps with 0 reset with depth 27 and stack size 27 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-11 finished in 679 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&&G(p1)&&F((G(p0)||G(!p2)))))))'
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 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2025-06-06 19:52:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 19:52:21] [INFO ] Implicit Places using invariants in 27 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 29 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 29 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 201 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (AND (NOT p0) p2), (OR (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00200vD-LTLFireability-14
Stuttering criterion allowed to conclude after 46042 steps with 0 reset in 40 ms.
FORMULA TwoPhaseLocking-PT-nC00200vD-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00200vD-LTLFireability-14 finished in 295 ms.
All properties solved by simple procedures.
Total runtime 10432 ms.

BK_STOP 1749239541872

--------------------
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-nC00200vD"
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-nC00200vD, 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-174915590000532"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/TwoPhaseLocking-PT-nC00200vD.tgz
mv TwoPhaseLocking-PT-nC00200vD 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 ;