Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r086-smll-174860102600468.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 FlexibleBarrier-PT-12a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r086-smll-174860102600468
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 640K
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 128K May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-00
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-01
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-02
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-03
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-04
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-05
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-06
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-07
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-08
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-09
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-10
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-11
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-12
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-13
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-14
FORMULA_NAME FlexibleBarrier-PT-12a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748940161019

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-12a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-03 08:42:43] [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]
[2025-06-03 08:42:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 08:42:43] [INFO ] Load time of PNML (sax parser for PT used): 160 ms
[2025-06-03 08:42:43] [INFO ] Transformed 147 places.
[2025-06-03 08:42:43] [INFO ] Transformed 448 transitions.
[2025-06-03 08:42:43] [INFO ] Found NUPN structural information;
[2025-06-03 08:42:43] [INFO ] Parsed PT model containing 147 places and 448 transitions and 2045 arcs in 340 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 16 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
Ensure Unique test removed 122 transitions
Reduce redundant transitions removed 122 transitions.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-12a-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-12a-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-12a-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-12a-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 34 out of 147 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 326/326 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 147 transition count 314
Applied a total of 12 rules in 64 ms. Remains 147 /147 variables (removed 0) and now considering 314/326 (removed 12) transitions.
// Phase 1: matrix 314 rows 147 cols
[2025-06-03 08:42:43] [INFO ] Computed 14 invariants in 23 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:42:44] [INFO ] Implicit Places using invariants in 582 ms returned []
[2025-06-03 08:42:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:42:44] [INFO ] State equation strengthened by 193 read => feed constraints.
[2025-06-03 08:42:44] [INFO ] Implicit Places using invariants and state equation in 596 ms returned []
Implicit Place search using SMT with State Equation took 1232 ms to find 0 implicit places.
Running 313 sub problems to find dead transitions.
[2025-06-03 08:42:45] [INFO ] Invariant cache hit.
[2025-06-03 08:42:45] [INFO ] State equation strengthened by 193 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/146 variables, 146/146 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/146 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (OVERLAPS) 1/147 variables, 14/160 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/147 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 5 (OVERLAPS) 314/461 variables, 147/308 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/461 variables, 193/501 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/461 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 8 (OVERLAPS) 0/461 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 313 unsolved
No progress, stopping.
After SMT solving in domain Real declared 461/461 variables, and 501 constraints, problems are : Problem set: 0 solved, 313 unsolved in 28447 ms.
Refiners :[Domain max(s): 147/147 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 147/147 constraints, ReadFeed: 193/193 constraints, PredecessorRefiner: 313/313 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 313 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/146 variables, 146/146 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/146 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (OVERLAPS) 1/147 variables, 14/160 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/147 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 5 (OVERLAPS) 314/461 variables, 147/308 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/461 variables, 193/501 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/461 variables, 313/814 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/461 variables, 0/814 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 9 (OVERLAPS) 0/461 variables, 0/814 constraints. Problems are: Problem set: 0 solved, 313 unsolved
No progress, stopping.
After SMT solving in domain Int declared 461/461 variables, and 814 constraints, problems are : Problem set: 0 solved, 313 unsolved in 28164 ms.
Refiners :[Domain max(s): 147/147 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 147/147 constraints, ReadFeed: 193/193 constraints, PredecessorRefiner: 313/313 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 56896ms problems are : Problem set: 0 solved, 313 unsolved
Search for dead transitions found 0 dead transitions in 56927ms
Starting structural reductions in LTL mode, iteration 1 : 147/147 places, 314/326 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 58253 ms. Remains : 147/147 places, 314/326 transitions.
Support contains 34 out of 147 places after structural reductions.
[2025-06-03 08:43:42] [INFO ] Flatten gal took : 69 ms
[2025-06-03 08:43:42] [INFO ] Flatten gal took : 32 ms
[2025-06-03 08:43:42] [INFO ] Input system was already deterministic with 314 transitions.
Reduction of identical properties reduced properties to check from 27 to 26
RANDOM walk for 2765 steps (0 resets) in 245 ms. (11 steps per ms) remains 0/26 properties
Computed a total of 3 stabilizing places and 1 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((X(X(X(F(((p2&&X(F(p2)))||p1)))))||p0)))'
Support contains 6 out of 147 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Applied a total of 0 rules in 14 ms. Remains 147 /147 variables (removed 0) and now considering 314/314 (removed 0) transitions.
[2025-06-03 08:43:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:43:43] [INFO ] Implicit Places using invariants in 147 ms returned []
[2025-06-03 08:43:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:43:43] [INFO ] State equation strengthened by 193 read => feed constraints.
[2025-06-03 08:43:43] [INFO ] Implicit Places using invariants and state equation in 381 ms returned []
Implicit Place search using SMT with State Equation took 531 ms to find 0 implicit places.
Running 313 sub problems to find dead transitions.
[2025-06-03 08:43:43] [INFO ] Invariant cache hit.
[2025-06-03 08:43:43] [INFO ] State equation strengthened by 193 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/146 variables, 146/146 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/146 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (OVERLAPS) 1/147 variables, 14/160 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/147 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 5 (OVERLAPS) 314/461 variables, 147/308 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/461 variables, 193/501 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/461 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 8 (OVERLAPS) 0/461 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 313 unsolved
No progress, stopping.
After SMT solving in domain Real declared 461/461 variables, and 501 constraints, problems are : Problem set: 0 solved, 313 unsolved in 28831 ms.
Refiners :[Domain max(s): 147/147 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 147/147 constraints, ReadFeed: 193/193 constraints, PredecessorRefiner: 313/313 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 313 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/146 variables, 146/146 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/146 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (OVERLAPS) 1/147 variables, 14/160 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/147 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 5 (OVERLAPS) 314/461 variables, 147/308 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/461 variables, 193/501 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/461 variables, 313/814 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/461 variables, 0/814 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 9 (OVERLAPS) 0/461 variables, 0/814 constraints. Problems are: Problem set: 0 solved, 313 unsolved
No progress, stopping.
After SMT solving in domain Int declared 461/461 variables, and 814 constraints, problems are : Problem set: 0 solved, 313 unsolved in 27498 ms.
Refiners :[Domain max(s): 147/147 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 147/147 constraints, ReadFeed: 193/193 constraints, PredecessorRefiner: 313/313 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 56551ms problems are : Problem set: 0 solved, 313 unsolved
Search for dead transitions found 0 dead transitions in 56558ms
Finished structural reductions in LTL mode , in 1 iterations and 57106 ms. Remains : 147/147 places, 314/314 transitions.
Stuttering acceptance computed with spot in 426 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-00
Product exploration explored 100000 steps with 266 reset in 964 ms.
Product exploration explored 100000 steps with 298 reset in 622 ms.
Computed a total of 3 stabilizing places and 1 stable transitions
Computed a total of 3 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 p1 p2)]
False Knowledge obtained : []
Knowledge based reduction with 1 factoid took 98 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 210 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
RANDOM walk for 40000 steps (8 resets) in 517 ms. (77 steps per ms) remains 1/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 141 ms. (281 steps per ms) remains 1/1 properties
[2025-06-03 08:44:42] [INFO ] Invariant cache hit.
[2025-06-03 08:44:42] [INFO ] State equation strengthened by 193 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 22/27 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/27 variables, 22/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/27 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 120/147 variables, 10/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/147 variables, 120/161 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/147 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 314/461 variables, 147/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/461 variables, 193/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/461 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/461 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 461/461 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 249 ms.
Refiners :[Domain max(s): 147/147 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 147/147 constraints, ReadFeed: 193/193 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf1 is UNSAT
After SMT solving in domain Int declared 27/461 variables, and 9 constraints, problems are : Problem set: 1 solved, 0 unsolved in 37 ms.
Refiners :[Domain max(s): 5/147 constraints, Positive P Invariants (semi-flows): 4/14 constraints, State Equation: 0/147 constraints, ReadFeed: 0/193 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 303ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 p1 p2), (G (OR p1 p2))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR p1 (NOT p2)))), (F (NOT p2)), (F (NOT p0))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 2 factoid took 18 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FlexibleBarrier-PT-12a-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-00 finished in 60096 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) U !p1)||X(p2)) U X(X(p0))))))'
Support contains 5 out of 147 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Applied a total of 0 rules in 7 ms. Remains 147 /147 variables (removed 0) and now considering 314/314 (removed 0) transitions.
[2025-06-03 08:44:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:44:43] [INFO ] Implicit Places using invariants in 167 ms returned [146]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 170 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 146/147 places, 314/314 transitions.
Applied a total of 0 rules in 8 ms. Remains 146 /146 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 186 ms. Remains : 146/147 places, 314/314 transitions.
Stuttering acceptance computed with spot in 330 ms :[p0, p0, p0, p0, (AND p0 p2), p0, true]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-01
Entered a terminal (fully accepting) state of product in 147 steps with 25 reset in 2 ms.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-01 finished in 545 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((!(p0 U p1)||(X(X(p1))&&(p1 U p0)))))'
Support contains 4 out of 147 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Applied a total of 0 rules in 5 ms. Remains 147 /147 variables (removed 0) and now considering 314/314 (removed 0) transitions.
[2025-06-03 08:44:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:44:43] [INFO ] Implicit Places using invariants in 191 ms returned [146]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 193 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 146/147 places, 314/314 transitions.
Applied a total of 0 rules in 6 ms. Remains 146 /146 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 205 ms. Remains : 146/147 places, 314/314 transitions.
Stuttering acceptance computed with spot in 363 ms :[(AND p1 (NOT p0)), (AND p1 (NOT p0)), (NOT p1), (NOT p0), false, (NOT p1), true, false, p1]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-02
Product exploration explored 100000 steps with 50000 reset in 1212 ms.
Product exploration explored 100000 steps with 50000 reset in 868 ms.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X (NOT p0)), (X (NOT p1))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 5 factoid took 15 ms. Reduced automaton from 9 states, 14 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FlexibleBarrier-PT-12a-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-02 finished in 2693 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 U (p1||G(!p0))))))'
Support contains 5 out of 147 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Applied a total of 0 rules in 9 ms. Remains 147 /147 variables (removed 0) and now considering 314/314 (removed 0) transitions.
[2025-06-03 08:44:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:44:46] [INFO ] Implicit Places using invariants in 176 ms returned [146]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 180 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 146/147 places, 314/314 transitions.
Applied a total of 0 rules in 4 ms. Remains 146 /146 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 194 ms. Remains : 146/147 places, 314/314 transitions.
Stuttering acceptance computed with spot in 127 ms :[true, (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-03
Entered a terminal (fully accepting) state of product in 71 steps with 21 reset in 1 ms.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-03 finished in 339 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((X(G(X(!G((p0 U p1))))) U p0)) U X(p2)))'
Support contains 6 out of 147 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Applied a total of 0 rules in 4 ms. Remains 147 /147 variables (removed 0) and now considering 314/314 (removed 0) transitions.
[2025-06-03 08:44:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:44:46] [INFO ] Implicit Places using invariants in 139 ms returned []
[2025-06-03 08:44:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:44:46] [INFO ] State equation strengthened by 193 read => feed constraints.
[2025-06-03 08:44:47] [INFO ] Implicit Places using invariants and state equation in 388 ms returned []
Implicit Place search using SMT with State Equation took 532 ms to find 0 implicit places.
Running 313 sub problems to find dead transitions.
[2025-06-03 08:44:47] [INFO ] Invariant cache hit.
[2025-06-03 08:44:47] [INFO ] State equation strengthened by 193 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/146 variables, 146/146 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/146 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (OVERLAPS) 1/147 variables, 14/160 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/147 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 5 (OVERLAPS) 314/461 variables, 147/308 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/461 variables, 193/501 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/461 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 8 (OVERLAPS) 0/461 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 313 unsolved
No progress, stopping.
After SMT solving in domain Real declared 461/461 variables, and 501 constraints, problems are : Problem set: 0 solved, 313 unsolved in 29723 ms.
Refiners :[Domain max(s): 147/147 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 147/147 constraints, ReadFeed: 193/193 constraints, PredecessorRefiner: 313/313 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 313 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/146 variables, 146/146 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/146 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (OVERLAPS) 1/147 variables, 14/160 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/147 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 5 (OVERLAPS) 314/461 variables, 147/308 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/461 variables, 193/501 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/461 variables, 313/814 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/461 variables, 0/814 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 9 (OVERLAPS) 0/461 variables, 0/814 constraints. Problems are: Problem set: 0 solved, 313 unsolved
No progress, stopping.
After SMT solving in domain Int declared 461/461 variables, and 814 constraints, problems are : Problem set: 0 solved, 313 unsolved in 30024 ms.
Refiners :[Domain max(s): 147/147 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 147/147 constraints, ReadFeed: 193/193 constraints, PredecessorRefiner: 313/313 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 59898ms problems are : Problem set: 0 solved, 313 unsolved
Search for dead transitions found 0 dead transitions in 59900ms
Finished structural reductions in LTL mode , in 1 iterations and 60438 ms. Remains : 147/147 places, 314/314 transitions.
Stuttering acceptance computed with spot in 285 ms :[(NOT p2), (AND p0 p1 (NOT p2)), (NOT p2), p1, p1, (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-05
Product exploration explored 100000 steps with 1191 reset in 387 ms.
Stack based approach found an accepted trace after 1129 steps with 11 reset with depth 175 and stack size 171 in 5 ms.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-05 finished in 61147 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 3 out of 147 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Graph (trivial) has 115 edges and 147 vertex of which 30 / 147 are part of one of the 10 SCC in 3 ms
Free SCC test removed 20 places
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: 36
Deduced a syphon composed of 36 places in 0 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 0 with 72 rules applied. Total rules applied 73 place count 91 transition count 222
Drop transitions (Redundant composition of simpler transitions.) removed 83 transitions
Redundant transition composition rules discarded 83 transitions
Iterating global reduction 0 with 83 rules applied. Total rules applied 156 place count 91 transition count 139
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 157 place count 91 transition count 139
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 158 place count 90 transition count 138
Iterating global reduction 0 with 1 rules applied. Total rules applied 159 place count 90 transition count 138
Applied a total of 159 rules in 94 ms. Remains 90 /147 variables (removed 57) and now considering 138/314 (removed 176) transitions.
[2025-06-03 08:45:47] [INFO ] Flow matrix only has 117 transitions (discarded 21 similar events)
// Phase 1: matrix 117 rows 90 cols
[2025-06-03 08:45:47] [INFO ] Computed 14 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:45:48] [INFO ] Implicit Places using invariants in 209 ms returned [89]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 212 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 89/147 places, 138/314 transitions.
Graph (trivial) has 118 edges and 89 vertex of which 30 / 89 are part of one of the 10 SCC in 0 ms
Free SCC test removed 20 places
Ensure Unique test removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 69 transition count 86
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 25 place count 57 transition count 86
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 25 place count 57 transition count 74
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 49 place count 45 transition count 74
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 2 with 28 rules applied. Total rules applied 77 place count 31 transition count 60
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 2 with 12 rules applied. Total rules applied 89 place count 31 transition count 48
Applied a total of 89 rules in 25 ms. Remains 31 /89 variables (removed 58) and now considering 48/138 (removed 90) transitions.
[2025-06-03 08:45:48] [INFO ] Flow matrix only has 35 transitions (discarded 13 similar events)
// Phase 1: matrix 35 rows 31 cols
[2025-06-03 08:45:48] [INFO ] Computed 13 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:45:48] [INFO ] Implicit Places using invariants in 49 ms returned []
[2025-06-03 08:45:48] [INFO ] Flow matrix only has 35 transitions (discarded 13 similar events)
[2025-06-03 08:45:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:45:48] [INFO ] State equation strengthened by 15 read => feed constraints.
[2025-06-03 08:45:48] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 133 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 31/147 places, 48/314 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 465 ms. Remains : 31/147 places, 48/314 transitions.
Stuttering acceptance computed with spot in 87 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-07
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-07 finished in 571 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||X(p0)) U G(p1)) U X(X(p2))))'
Support contains 5 out of 147 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Applied a total of 0 rules in 4 ms. Remains 147 /147 variables (removed 0) and now considering 314/314 (removed 0) transitions.
// Phase 1: matrix 314 rows 147 cols
[2025-06-03 08:45:48] [INFO ] Computed 14 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:45:48] [INFO ] Implicit Places using invariants in 242 ms returned [146]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 244 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 146/147 places, 314/314 transitions.
Applied a total of 0 rules in 4 ms. Remains 146 /146 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 252 ms. Remains : 146/147 places, 314/314 transitions.
Stuttering acceptance computed with spot in 686 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1) (NOT p0)), (NOT p2), true, (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p1) p0 (NOT p2)), (NOT p0), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-08
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-08 finished in 986 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' '!((((p1 U p2)&&p0) U (F(!p3) U (p2&&X(!p4)))))'
Support contains 8 out of 147 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Applied a total of 0 rules in 2 ms. Remains 147 /147 variables (removed 0) and now considering 314/314 (removed 0) transitions.
[2025-06-03 08:45:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:45:49] [INFO ] Implicit Places using invariants in 220 ms returned [146]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 222 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 146/147 places, 314/314 transitions.
Applied a total of 0 rules in 2 ms. Remains 146 /146 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 227 ms. Remains : 146/147 places, 314/314 transitions.
Stuttering acceptance computed with spot in 426 ms :[(OR (NOT p2) p4), p3, (OR (NOT p2) p4), p4, p4, (AND p3 p2 p4)]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-11
Product exploration explored 100000 steps with 2306 reset in 843 ms.
Stack based approach found an accepted trace after 21 steps with 1 reset with depth 8 and stack size 8 in 1 ms.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-11 finished in 1538 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 3 out of 147 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Graph (trivial) has 115 edges and 147 vertex of which 30 / 147 are part of one of the 10 SCC in 0 ms
Free SCC test removed 20 places
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: 36
Deduced a syphon composed of 36 places in 0 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 0 with 72 rules applied. Total rules applied 73 place count 91 transition count 222
Drop transitions (Redundant composition of simpler transitions.) removed 83 transitions
Redundant transition composition rules discarded 83 transitions
Iterating global reduction 0 with 83 rules applied. Total rules applied 156 place count 91 transition count 139
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 157 place count 91 transition count 139
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 158 place count 90 transition count 138
Iterating global reduction 0 with 1 rules applied. Total rules applied 159 place count 90 transition count 138
Applied a total of 159 rules in 50 ms. Remains 90 /147 variables (removed 57) and now considering 138/314 (removed 176) transitions.
[2025-06-03 08:45:50] [INFO ] Flow matrix only has 117 transitions (discarded 21 similar events)
// Phase 1: matrix 117 rows 90 cols
[2025-06-03 08:45:50] [INFO ] Computed 14 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:45:51] [INFO ] Implicit Places using invariants in 186 ms returned [89]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 189 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 89/147 places, 138/314 transitions.
Graph (trivial) has 118 edges and 89 vertex of which 30 / 89 are part of one of the 10 SCC in 0 ms
Free SCC test removed 20 places
Ensure Unique test removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 69 transition count 86
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 25 place count 57 transition count 86
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 25 place count 57 transition count 74
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 49 place count 45 transition count 74
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 2 with 28 rules applied. Total rules applied 77 place count 31 transition count 60
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 2 with 12 rules applied. Total rules applied 89 place count 31 transition count 48
Applied a total of 89 rules in 23 ms. Remains 31 /89 variables (removed 58) and now considering 48/138 (removed 90) transitions.
[2025-06-03 08:45:51] [INFO ] Flow matrix only has 35 transitions (discarded 13 similar events)
// Phase 1: matrix 35 rows 31 cols
[2025-06-03 08:45:51] [INFO ] Computed 13 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:45:51] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-03 08:45:51] [INFO ] Flow matrix only has 35 transitions (discarded 13 similar events)
[2025-06-03 08:45:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:45:51] [INFO ] State equation strengthened by 15 read => feed constraints.
[2025-06-03 08:45:51] [INFO ] Implicit Places using invariants and state equation in 76 ms returned []
Implicit Place search using SMT with State Equation took 122 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 31/147 places, 48/314 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 385 ms. Remains : 31/147 places, 48/314 transitions.
Stuttering acceptance computed with spot in 97 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-12
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-12 finished in 496 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(F(p0))||G(p1))))'
Support contains 5 out of 147 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Graph (trivial) has 114 edges and 147 vertex of which 30 / 147 are part of one of the 10 SCC in 0 ms
Free SCC test removed 20 places
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: 36
Deduced a syphon composed of 36 places in 1 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 0 with 72 rules applied. Total rules applied 73 place count 91 transition count 222
Drop transitions (Redundant composition of simpler transitions.) removed 83 transitions
Redundant transition composition rules discarded 83 transitions
Iterating global reduction 0 with 83 rules applied. Total rules applied 156 place count 91 transition count 139
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 157 place count 91 transition count 139
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 158 place count 90 transition count 138
Iterating global reduction 0 with 1 rules applied. Total rules applied 159 place count 90 transition count 138
Applied a total of 159 rules in 39 ms. Remains 90 /147 variables (removed 57) and now considering 138/314 (removed 176) transitions.
[2025-06-03 08:45:51] [INFO ] Flow matrix only has 117 transitions (discarded 21 similar events)
// Phase 1: matrix 117 rows 90 cols
[2025-06-03 08:45:51] [INFO ] Computed 14 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:45:51] [INFO ] Implicit Places using invariants in 100 ms returned []
[2025-06-03 08:45:51] [INFO ] Flow matrix only has 117 transitions (discarded 21 similar events)
[2025-06-03 08:45:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:45:51] [INFO ] State equation strengthened by 87 read => feed constraints.
[2025-06-03 08:45:51] [INFO ] Implicit Places using invariants and state equation in 261 ms returned []
Implicit Place search using SMT with State Equation took 364 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 08:45:51] [INFO ] Redundant transitions in 23 ms returned [63]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 136 sub problems to find dead transitions.
[2025-06-03 08:45:51] [INFO ] Flow matrix only has 116 transitions (discarded 21 similar events)
// Phase 1: matrix 116 rows 90 cols
[2025-06-03 08:45:51] [INFO ] Computed 14 invariants in 1 ms
[2025-06-03 08:45:51] [INFO ] State equation strengthened by 86 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (OVERLAPS) 1/90 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (OVERLAPS) 115/205 variables, 90/104 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/205 variables, 85/189 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/205 variables, 0/189 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 1/206 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (OVERLAPS) 0/206 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 190 constraints, problems are : Problem set: 0 solved, 136 unsolved in 8408 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 90/90 constraints, ReadFeed: 86/86 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (OVERLAPS) 1/90 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/90 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (OVERLAPS) 115/205 variables, 90/104 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/205 variables, 85/189 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/205 variables, 136/325 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/205 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (OVERLAPS) 1/206 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/206 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (OVERLAPS) 0/206 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 326 constraints, problems are : Problem set: 0 solved, 136 unsolved in 8442 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 90/90 constraints, ReadFeed: 86/86 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 16886ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 16887ms
Starting structural reductions in SI_LTL mode, iteration 1 : 90/147 places, 137/314 transitions.
Applied a total of 0 rules in 10 ms. Remains 90 /90 variables (removed 0) and now considering 137/137 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 17331 ms. Remains : 90/147 places, 137/314 transitions.
Stuttering acceptance computed with spot in 79 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-14
Stuttering criterion allowed to conclude after 223 steps with 0 reset in 4 ms.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-14 finished in 17436 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0) U G(p1)))'
Support contains 5 out of 147 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 314/314 transitions.
Applied a total of 0 rules in 2 ms. Remains 147 /147 variables (removed 0) and now considering 314/314 (removed 0) transitions.
// Phase 1: matrix 314 rows 147 cols
[2025-06-03 08:46:08] [INFO ] Computed 14 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 08:46:08] [INFO ] Implicit Places using invariants in 192 ms returned [146]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 194 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 146/147 places, 314/314 transitions.
Applied a total of 0 rules in 4 ms. Remains 146 /146 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 201 ms. Remains : 146/147 places, 314/314 transitions.
Stuttering acceptance computed with spot in 156 ms :[(NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), true, (AND (NOT p1) p0)]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLFireability-15
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-12a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLFireability-15 finished in 375 ms.
All properties solved by simple procedures.
Total runtime 206143 ms.

BK_STOP 1748940369231

--------------------
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="FlexibleBarrier-PT-12a"
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 FlexibleBarrier-PT-12a, 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 r086-smll-174860102600468"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-12a.tgz
mv FlexibleBarrier-PT-12a 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 ;