About the Execution of ITS-Tools for GPPP-PT-C0100N0000000100
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 257628.00 | 0.00 | 0.00 | FFFFFFFFFTFFTTTF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r100-smll-174867007700324.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 GPPP-PT-C0100N0000000100, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-smll-174867007700324
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 480K
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K 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 6.0K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 31K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.4K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 66K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 16K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 116K 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 3.8K 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 17 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 1 May 29 14:32 large_marking
-rw-r--r-- 1 mcc users 21K 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 GPPP-PT-C0100N0000000100-LTLFireability-00
FORMULA_NAME GPPP-PT-C0100N0000000100-LTLFireability-01
FORMULA_NAME GPPP-PT-C0100N0000000100-LTLFireability-02
FORMULA_NAME GPPP-PT-C0100N0000000100-LTLFireability-03
FORMULA_NAME GPPP-PT-C0100N0000000100-LTLFireability-04
FORMULA_NAME GPPP-PT-C0100N0000000100-LTLFireability-05
FORMULA_NAME GPPP-PT-C0100N0000000100-LTLFireability-06
FORMULA_NAME GPPP-PT-C0100N0000000100-LTLFireability-07
FORMULA_NAME GPPP-PT-C0100N0000000100-LTLFireability-08
FORMULA_NAME GPPP-PT-C0100N0000000100-LTLFireability-09
FORMULA_NAME GPPP-PT-C0100N0000000100-LTLFireability-10
FORMULA_NAME GPPP-PT-C0100N0000000100-LTLFireability-11
FORMULA_NAME GPPP-PT-C0100N0000000100-LTLFireability-12
FORMULA_NAME GPPP-PT-C0100N0000000100-LTLFireability-13
FORMULA_NAME GPPP-PT-C0100N0000000100-LTLFireability-14
FORMULA_NAME GPPP-PT-C0100N0000000100-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748933535645
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=GPPP-PT-C0100N0000000100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-03 06:52:17] [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 06:52:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 06:52:17] [INFO ] Load time of PNML (sax parser for PT used): 86 ms
[2025-06-03 06:52:17] [INFO ] Transformed 33 places.
[2025-06-03 06:52:17] [INFO ] Transformed 22 transitions.
[2025-06-03 06:52:17] [INFO ] Parsed PT model containing 33 places and 22 transitions and 83 arcs in 292 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 22 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA GPPP-PT-C0100N0000000100-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPPP-PT-C0100N0000000100-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPPP-PT-C0100N0000000100-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 32 out of 33 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 33/33 places, 22/22 transitions.
Applied a total of 0 rules in 12 ms. Remains 33 /33 variables (removed 0) and now considering 22/22 (removed 0) transitions.
Running 21 sub problems to find dead transitions.
// Phase 1: matrix 22 rows 33 cols
[2025-06-03 06:52:18] [INFO ] Computed 12 invariants in 8 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/32 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 21 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 1/33 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 21 unsolved
Problem TDEAD19 is UNSAT
At refinement iteration 6 (OVERLAPS) 22/55 variables, 33/45 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/55 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/55 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 55/55 variables, and 45 constraints, problems are : Problem set: 1 solved, 20 unsolved in 3812 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 33/33 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 20 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 3/8 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 2/33 variables, 1/9 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 3/12 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 22/55 variables, 33/45 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/55 variables, 20/65 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/55 variables, 0/65 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/55 variables, 0/65 constraints. Problems are: Problem set: 1 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 55/55 variables, and 65 constraints, problems are : Problem set: 1 solved, 20 unsolved in 13840 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 33/33 constraints, PredecessorRefiner: 20/21 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 17741ms problems are : Problem set: 1 solved, 20 unsolved
Search for dead transitions found 1 dead transitions in 17759ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 1 transitions.
// Phase 1: matrix 21 rows 33 cols
[2025-06-03 06:52:35] [INFO ] Computed 13 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:52:35] [INFO ] Implicit Places using invariants in 54 ms returned []
[2025-06-03 06:52:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:52:36] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 116 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 33/33 places, 21/22 transitions.
Applied a total of 0 rules in 1 ms. Remains 33 /33 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 17954 ms. Remains : 33/33 places, 21/22 transitions.
Support contains 32 out of 33 places after structural reductions.
[2025-06-03 06:52:36] [INFO ] Flatten gal took : 24 ms
[2025-06-03 06:52:36] [INFO ] Flatten gal took : 10 ms
[2025-06-03 06:52:36] [INFO ] Input system was already deterministic with 21 transitions.
Reduction of identical properties reduced properties to check from 22 to 21
RANDOM walk for 40104 steps (12 resets) in 517 ms. (77 steps per ms) remains 2/21 properties
BEST_FIRST walk for 40003 steps (8 resets) in 478 ms. (83 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 389 ms. (102 steps per ms) remains 2/2 properties
[2025-06-03 06:52:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 11/19 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 12/31 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/31 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AtomicPropp16 is UNSAT
At refinement iteration 5 (OVERLAPS) 2/33 variables, 2/13 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/33 variables, 0/13 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 21/54 variables, 33/46 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/54 variables, 0/46 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/54 variables, 0/46 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 46 constraints, problems are : Problem set: 1 solved, 1 unsolved in 192 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 33/33 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 11/17 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/19 variables, 1/6 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 12/31 variables, 5/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/31 variables, 0/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Problem AtomicPropp18 is UNSAT
After SMT solving in domain Int declared 33/54 variables, and 13 constraints, problems are : Problem set: 2 solved, 0 unsolved in 330 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 0/33 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 541ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 3 atomic propositions for a total of 13 simplifications.
Computed a total of 31 stabilizing places and 19 stable transitions
Graph (complete) has 81 edges and 33 vertex of which 32 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
FORMULA GPPP-PT-C0100N0000000100-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPPP-PT-C0100N0000000100-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 4 out of 33 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 33/33 places, 21/21 transitions.
Graph (trivial) has 4 edges and 33 vertex of which 2 / 33 are part of one of the 1 SCC in 2 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Graph (complete) has 79 edges and 32 vertex of which 31 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 30 transition count 18
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 4 place count 29 transition count 18
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 4 place count 29 transition count 17
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 6 place count 28 transition count 17
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 5 rules applied. Total rules applied 11 place count 25 transition count 15
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 2 places and 0 transitions.
Iterating global reduction 2 with 3 rules applied. Total rules applied 14 place count 23 transition count 14
Applied a total of 14 rules in 38 ms. Remains 23 /33 variables (removed 10) and now considering 14/21 (removed 7) transitions.
Running 13 sub problems to find dead transitions.
// Phase 1: matrix 14 rows 23 cols
[2025-06-03 06:52:38] [INFO ] Computed 10 invariants in 1 ms
[2025-06-03 06:52:38] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (OVERLAPS) 1/23 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 13 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 13/36 variables, 23/33 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (OVERLAPS) 1/37 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/37 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (OVERLAPS) 0/37 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 37/37 variables, and 34 constraints, problems are : Problem set: 0 solved, 13 unsolved in 470 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 23/23 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (OVERLAPS) 1/23 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/23 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 13 unsolved
SMT process timed out in 20492ms, After SMT, problems are : Problem set: 0 solved, 13 unsolved
Search for dead transitions found 0 dead transitions in 20492ms
[2025-06-03 06:52:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:52:58] [INFO ] Implicit Places using invariants in 67 ms returned [0, 3, 13]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 75 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 20/33 places, 14/21 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 19 transition count 13
Applied a total of 2 rules in 3 ms. Remains 19 /20 variables (removed 1) and now considering 13/14 (removed 1) transitions.
// Phase 1: matrix 13 rows 19 cols
[2025-06-03 06:52:58] [INFO ] Computed 7 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:52:58] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-06-03 06:52:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:52:58] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 06:52:58] [INFO ] Implicit Places using invariants and state equation in 60 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 110 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 18/33 places, 13/21 transitions.
Applied a total of 0 rules in 3 ms. Remains 18 /18 variables (removed 0) and now considering 13/13 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 20730 ms. Remains : 18/33 places, 13/21 transitions.
Stuttering acceptance computed with spot in 338 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : GPPP-PT-C0100N0000000100-LTLFireability-00
Stuttering criterion allowed to conclude after 24 steps with 1 reset in 3 ms.
FORMULA GPPP-PT-C0100N0000000100-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPPP-PT-C0100N0000000100-LTLFireability-00 finished in 21184 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 3 out of 33 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 33/33 places, 21/21 transitions.
Graph (complete) has 81 edges and 33 vertex of which 32 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 31 transition count 19
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 30 transition count 19
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 3 place count 30 transition count 18
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 5 place count 29 transition count 18
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 2 places and 0 transitions.
Iterating global reduction 2 with 3 rules applied. Total rules applied 8 place count 27 transition count 17
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 2 places and 0 transitions.
Iterating global reduction 2 with 3 rules applied. Total rules applied 11 place count 25 transition count 16
Applied a total of 11 rules in 7 ms. Remains 25 /33 variables (removed 8) and now considering 16/21 (removed 5) transitions.
Running 15 sub problems to find dead transitions.
// Phase 1: matrix 16 rows 25 cols
[2025-06-03 06:52:59] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 1/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 15 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (OVERLAPS) 16/41 variables, 25/35 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/41 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (OVERLAPS) 0/41 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 41/41 variables, and 35 constraints, problems are : Problem set: 0 solved, 15 unsolved in 281 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 25/25 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 1/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (OVERLAPS) 16/41 variables, 25/35 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/41 variables, 15/50 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/41 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (OVERLAPS) 0/41 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Int declared 41/41 variables, and 50 constraints, problems are : Problem set: 0 solved, 15 unsolved in 16019 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 25/25 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 16310ms problems are : Problem set: 0 solved, 15 unsolved
Search for dead transitions found 0 dead transitions in 16311ms
[2025-06-03 06:53:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:53:15] [INFO ] Implicit Places using invariants in 84 ms returned [0, 15]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 85 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 23/33 places, 16/21 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 22 transition count 15
Applied a total of 2 rules in 4 ms. Remains 22 /23 variables (removed 1) and now considering 15/16 (removed 1) transitions.
// Phase 1: matrix 15 rows 22 cols
[2025-06-03 06:53:15] [INFO ] Computed 8 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:53:15] [INFO ] Implicit Places using invariants in 77 ms returned []
[2025-06-03 06:53:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:53:15] [INFO ] Implicit Places using invariants and state equation in 88 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 187 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 21/33 places, 15/21 transitions.
Applied a total of 0 rules in 3 ms. Remains 21 /21 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 16598 ms. Remains : 21/33 places, 15/21 transitions.
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Running random walk in product with property : GPPP-PT-C0100N0000000100-LTLFireability-01
Stuttering criterion allowed to conclude after 1264 steps with 0 reset in 16 ms.
FORMULA GPPP-PT-C0100N0000000100-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPPP-PT-C0100N0000000100-LTLFireability-01 finished in 16687 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(p1))) U X(X((!p1 U (!p0&&X(!p2)))))))'
Support contains 4 out of 33 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 33/33 places, 21/21 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 32 transition count 21
Applied a total of 1 rules in 1 ms. Remains 32 /33 variables (removed 1) and now considering 21/21 (removed 0) transitions.
Running 20 sub problems to find dead transitions.
// Phase 1: matrix 21 rows 32 cols
[2025-06-03 06:53:15] [INFO ] Computed 12 invariants in 1 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 1/32 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 21/53 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 0/53 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 53/53 variables, and 44 constraints, problems are : Problem set: 0 solved, 20 unsolved in 513 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 32/32 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 1/32 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 20 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 32/53 variables, and 12 constraints, problems are : Problem set: 0 solved, 20 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/32 constraints, PredecessorRefiner: 0/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20541ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 20543ms
[2025-06-03 06:53:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:53:36] [INFO ] Implicit Places using invariants in 63 ms returned [3, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 64 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 30/33 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 20610 ms. Remains : 30/33 places, 21/21 transitions.
Stuttering acceptance computed with spot in 555 ms :[(NOT p1), (OR (NOT p1) p2 p0), (OR (NOT p0) (NOT p1)), p2, p2, p2, (OR p0 p2), (OR p0 p2), (OR p2 p0), (OR p0 p2), (OR p2 p0), (OR p2 p0), (OR (NOT p0) (NOT p1) p2)]
Running random walk in product with property : GPPP-PT-C0100N0000000100-LTLFireability-03
Stuttering criterion allowed to conclude after 3185 steps with 4 reset in 21 ms.
FORMULA GPPP-PT-C0100N0000000100-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPPP-PT-C0100N0000000100-LTLFireability-03 finished in 21225 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(p1)&&(p2 U !p3)&&p0)))'
Support contains 7 out of 33 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 33/33 places, 21/21 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 32 transition count 21
Applied a total of 1 rules in 1 ms. Remains 32 /33 variables (removed 1) and now considering 21/21 (removed 0) transitions.
Running 20 sub problems to find dead transitions.
[2025-06-03 06:53:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 1/32 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 21/53 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 0/53 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 53/53 variables, and 44 constraints, problems are : Problem set: 0 solved, 20 unsolved in 343 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 32/32 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 1/32 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 20 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 32/53 variables, and 12 constraints, problems are : Problem set: 0 solved, 20 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/32 constraints, PredecessorRefiner: 0/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20363ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 20364ms
[2025-06-03 06:53:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:53:57] [INFO ] Implicit Places using invariants in 66 ms returned [3, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 67 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 30/33 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 20445 ms. Remains : 30/33 places, 21/21 transitions.
Stuttering acceptance computed with spot in 205 ms :[(OR (NOT p0) (NOT p1) p3), (OR (NOT p0) (NOT p1) p3), true, (NOT p1), p3]
Running random walk in product with property : GPPP-PT-C0100N0000000100-LTLFireability-04
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA GPPP-PT-C0100N0000000100-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPPP-PT-C0100N0000000100-LTLFireability-04 finished in 20671 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((F(p0)||X(G(!p1))))))'
Support contains 2 out of 33 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 33/33 places, 21/21 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 32 transition count 21
Applied a total of 1 rules in 1 ms. Remains 32 /33 variables (removed 1) and now considering 21/21 (removed 0) transitions.
Running 20 sub problems to find dead transitions.
[2025-06-03 06:53:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 1/32 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 21/53 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 0/53 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 53/53 variables, and 44 constraints, problems are : Problem set: 0 solved, 20 unsolved in 315 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 32/32 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 1/32 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 20 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 32/53 variables, and 12 constraints, problems are : Problem set: 0 solved, 20 unsolved in 20006 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/32 constraints, PredecessorRefiner: 0/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20333ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 20334ms
[2025-06-03 06:54:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:54:18] [INFO ] Implicit Places using invariants in 48 ms returned [3, 19]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 49 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 30/33 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 20385 ms. Remains : 30/33 places, 21/21 transitions.
Stuttering acceptance computed with spot in 172 ms :[(NOT p0), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1)]
Running random walk in product with property : GPPP-PT-C0100N0000000100-LTLFireability-05
Stuttering criterion allowed to conclude after 2899 steps with 0 reset in 12 ms.
FORMULA GPPP-PT-C0100N0000000100-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPPP-PT-C0100N0000000100-LTLFireability-05 finished in 20584 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 4 out of 33 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 33/33 places, 21/21 transitions.
Graph (complete) has 81 edges and 33 vertex of which 32 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 32 transition count 20
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 31 transition count 20
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 3 place count 31 transition count 19
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 5 place count 30 transition count 19
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 2 places and 0 transitions.
Iterating global reduction 2 with 3 rules applied. Total rules applied 8 place count 28 transition count 18
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 2 places and 0 transitions.
Iterating global reduction 2 with 3 rules applied. Total rules applied 11 place count 26 transition count 17
Applied a total of 11 rules in 6 ms. Remains 26 /33 variables (removed 7) and now considering 17/21 (removed 4) transitions.
Running 16 sub problems to find dead transitions.
// Phase 1: matrix 17 rows 26 cols
[2025-06-03 06:54:18] [INFO ] Computed 10 invariants in 0 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 1/26 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 16 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/26 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 17/43 variables, 26/36 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/43 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/43 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 43/43 variables, and 36 constraints, problems are : Problem set: 0 solved, 16 unsolved in 246 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 26/26 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 1/26 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 16 unsolved
(s17 81timeout
^^^^^^^^^
(error "Invalid token: 81timeout")
Error getting values : (error "ParserException while parsing response: ((s0 747)
(s1 0)
(s2 116)
(s3 84)
(s4 0)
(s5 200)
(s6 2)
(s7 0)
(s8 4)
(s9 0)
(s10 11)
(s11 107)
(s12 5)
(s13 13)
(s14 3)
(s15 1100)
(s16 0)
(s17 81timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 26/43 variables, and 10 constraints, problems are : Problem set: 0 solved, 16 unsolved in 20009 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/26 constraints, PredecessorRefiner: 0/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20261ms problems are : Problem set: 0 solved, 16 unsolved
Search for dead transitions found 0 dead transitions in 20261ms
[2025-06-03 06:54:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:54:38] [INFO ] Implicit Places using invariants in 49 ms returned [3, 15]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 50 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 24/33 places, 17/21 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 22 transition count 15
Applied a total of 4 rules in 2 ms. Remains 22 /24 variables (removed 2) and now considering 15/17 (removed 2) transitions.
// Phase 1: matrix 15 rows 22 cols
[2025-06-03 06:54:38] [INFO ] Computed 8 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:54:38] [INFO ] Implicit Places using invariants in 34 ms returned []
[2025-06-03 06:54:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:54:38] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 22/33 places, 15/21 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 20403 ms. Remains : 22/33 places, 15/21 transitions.
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : GPPP-PT-C0100N0000000100-LTLFireability-06
Product exploration explored 100000 steps with 2292 reset in 416 ms.
Stack based approach found an accepted trace after 317 steps with 8 reset with depth 18 and stack size 18 in 3 ms.
FORMULA GPPP-PT-C0100N0000000100-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property GPPP-PT-C0100N0000000100-LTLFireability-06 finished in 20906 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(G(!p0)) U !p1)))))'
Support contains 4 out of 33 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 33/33 places, 21/21 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 32 transition count 21
Applied a total of 1 rules in 2 ms. Remains 32 /33 variables (removed 1) and now considering 21/21 (removed 0) transitions.
Running 20 sub problems to find dead transitions.
// Phase 1: matrix 21 rows 32 cols
[2025-06-03 06:54:39] [INFO ] Computed 12 invariants in 2 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 1/32 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 21/53 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 0/53 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 53/53 variables, and 44 constraints, problems are : Problem set: 0 solved, 20 unsolved in 663 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 32/32 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 1/32 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 20 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 32/53 variables, and 12 constraints, problems are : Problem set: 0 solved, 20 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/32 constraints, PredecessorRefiner: 0/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20685ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 20686ms
[2025-06-03 06:55:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:55:00] [INFO ] Implicit Places using invariants in 51 ms returned [3]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 53 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 31/33 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 31 /31 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 20742 ms. Remains : 31/33 places, 21/21 transitions.
Stuttering acceptance computed with spot in 192 ms :[p1, p1, p1, p1, p0]
Running random walk in product with property : GPPP-PT-C0100N0000000100-LTLFireability-07
Product exploration explored 100000 steps with 34 reset in 281 ms.
Stack based approach found an accepted trace after 17453 steps with 6 reset with depth 140 and stack size 138 in 100 ms.
FORMULA GPPP-PT-C0100N0000000100-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property GPPP-PT-C0100N0000000100-LTLFireability-07 finished in 21342 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(!p0) U p1)||G((p2 U X((!p3&&F(G(p1))))))))'
Support contains 7 out of 33 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 33/33 places, 21/21 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 32 transition count 21
Applied a total of 1 rules in 3 ms. Remains 32 /33 variables (removed 1) and now considering 21/21 (removed 0) transitions.
Running 20 sub problems to find dead transitions.
[2025-06-03 06:55:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 1/32 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 21/53 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 0/53 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 53/53 variables, and 44 constraints, problems are : Problem set: 0 solved, 20 unsolved in 425 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 32/32 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 1/32 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 20 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 32/53 variables, and 12 constraints, problems are : Problem set: 0 solved, 20 unsolved in 20007 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/32 constraints, PredecessorRefiner: 0/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20440ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 20441ms
[2025-06-03 06:55:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:55:21] [INFO ] Implicit Places using invariants in 43 ms returned [3]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 44 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 31/33 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 31 /31 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 20489 ms. Remains : 31/33 places, 21/21 transitions.
Stuttering acceptance computed with spot in 423 ms :[(NOT p1), (NOT p1), (NOT p1), (OR (AND p0 (NOT p1)) (AND p0 p3)), (OR (AND p0 (NOT p1)) (AND p0 p3)), (OR (AND p0 (NOT p1)) (AND p0 p3)), p0, (NOT p1), (NOT p1), (AND (NOT p1) p0)]
Running random walk in product with property : GPPP-PT-C0100N0000000100-LTLFireability-08
Product exploration explored 100000 steps with 22209 reset in 147 ms.
Product exploration explored 100000 steps with 22140 reset in 175 ms.
Computed a total of 29 stabilizing places and 19 stable transitions
Computed a total of 29 stabilizing places and 19 stable transitions
Detected a total of 29/31 stabilizing places and 19/21 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 4/4 atomic propositions.
Knowledge obtained : [(AND (NOT p1) (NOT p2) p0 p3), (X (NOT p2)), (X (NOT (AND p0 p2))), (X (NOT p3)), (X (AND p0 (NOT p3))), (X (NOT (AND (NOT p1) p2 p3))), (X (AND (NOT p1) (NOT p2))), (X (AND (NOT p1) p0 (NOT p2))), (X (NOT (AND (NOT p1) p0 p2 p3))), (X (AND (NOT p1) p0)), (X (NOT (AND p0 (NOT p2) p3))), (X (NOT (AND (NOT p1) (NOT p2) p3))), (X (NOT (AND (NOT p1) p2))), (X (AND (NOT p1) p0 (NOT p3))), (X (NOT (AND p0 p3))), (X (NOT p1)), (X (NOT (AND (NOT p1) p3))), (X (NOT (AND (NOT p1) p0 p3))), (X (AND p0 (NOT p2))), (X (NOT (AND (NOT p1) p0 p2))), (X (NOT (AND p0 p2 p3))), (X (NOT (AND (NOT p1) p0 (NOT p2) p3))), (X p0), (X (AND (NOT p1) (NOT p3))), (X (X (NOT p2))), (X (X (NOT (AND p0 p2)))), (X (X (NOT p3))), (X (X (AND p0 (NOT p3)))), (X (X (NOT (AND (NOT p1) p2 p3)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p1) p0 (NOT p2))))), (X (X (NOT (AND (NOT p1) p0 p2 p3)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND p0 (NOT p2) p3)))), (X (X (NOT (AND (NOT p1) (NOT p2) p3)))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND (NOT p1) p0 (NOT p3))))), (X (X (NOT (AND p0 p3)))), (X (X p1)), (X (X (NOT (AND (NOT p1) p3)))), (X (X (NOT (AND (NOT p1) p0 p3)))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND (NOT p1) p0 p2)))), (X (X (NOT (AND p0 p2 p3)))), (X (X (NOT (AND (NOT p1) p0 (NOT p2) p3)))), (X (X (AND p1 p0))), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p3))))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : []
Knowledge based reduction with 52 factoid took 455 ms. Reduced automaton from 10 states, 31 edges and 4 AP (stutter sensitive) to 6 states, 12 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 279 ms :[(OR (AND p0 (NOT p1)) (AND p0 p3)), (OR (AND p0 (NOT p1)) (AND p0 p3)), (OR (AND p0 (NOT p1) p2) (AND p0 p2 p3)), (OR (AND p0 (NOT p1)) (AND p0 p3)), p0, (AND p0 (NOT p1))]
RANDOM walk for 40169 steps (12 resets) in 59 ms. (669 steps per ms) remains 1/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 230 ms. (173 steps per ms) remains 1/1 properties
// Phase 1: matrix 21 rows 31 cols
[2025-06-03 06:55:22] [INFO ] Computed 11 invariants in 2 ms
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, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 5/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 14/24 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 3/27 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/27 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf5 is UNSAT
After SMT solving in domain Real declared 46/52 variables, and 36 constraints, problems are : Problem set: 1 solved, 0 unsolved in 83 ms.
Refiners :[Positive P Invariants (semi-flows): 5/7 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 27/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 93ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p1) (NOT p2) p0 p3), (X (NOT p2)), (X (NOT (AND p0 p2))), (X (NOT p3)), (X (AND p0 (NOT p3))), (X (NOT (AND (NOT p1) p2 p3))), (X (AND (NOT p1) (NOT p2))), (X (AND (NOT p1) p0 (NOT p2))), (X (NOT (AND (NOT p1) p0 p2 p3))), (X (AND (NOT p1) p0)), (X (NOT (AND p0 (NOT p2) p3))), (X (NOT (AND (NOT p1) (NOT p2) p3))), (X (NOT (AND (NOT p1) p2))), (X (AND (NOT p1) p0 (NOT p3))), (X (NOT (AND p0 p3))), (X (NOT p1)), (X (NOT (AND (NOT p1) p3))), (X (NOT (AND (NOT p1) p0 p3))), (X (AND p0 (NOT p2))), (X (NOT (AND (NOT p1) p0 p2))), (X (NOT (AND p0 p2 p3))), (X (NOT (AND (NOT p1) p0 (NOT p2) p3))), (X p0), (X (AND (NOT p1) (NOT p3))), (X (X (NOT p2))), (X (X (NOT (AND p0 p2)))), (X (X (NOT p3))), (X (X (AND p0 (NOT p3)))), (X (X (NOT (AND (NOT p1) p2 p3)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT (AND (NOT p1) p0 (NOT p2))))), (X (X (NOT (AND (NOT p1) p0 p2 p3)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND p0 (NOT p2) p3)))), (X (X (NOT (AND (NOT p1) (NOT p2) p3)))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND (NOT p1) p0 (NOT p3))))), (X (X (NOT (AND p0 p3)))), (X (X p1)), (X (X (NOT (AND (NOT p1) p3)))), (X (X (NOT (AND (NOT p1) p0 p3)))), (X (X (AND p0 (NOT p2)))), (X (X (NOT (AND (NOT p1) p0 p2)))), (X (X (NOT (AND p0 p2 p3)))), (X (X (NOT (AND (NOT p1) p0 (NOT p2) p3)))), (X (X (AND p1 p0))), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p3))))), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p3) (G (NOT p3)))), (G (OR (NOT p0) (NOT p2) (NOT p3)))]
False Knowledge obtained : [(F (NOT (AND p0 (NOT p2) p3))), (F (NOT (OR (NOT p0) p3))), (F (NOT (OR (NOT p0) (NOT p1)))), (F (NOT (OR (NOT p0) (NOT p2)))), (F (NOT p3)), (F p2), (F (NOT p0)), (F p1), (F (NOT (AND p0 p3))), (F (NOT (AND p0 (NOT p1))))]
Knowledge based reduction with 53 factoid took 1971 ms. Reduced automaton from 6 states, 12 edges and 4 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 147 ms :[(OR (AND p0 (NOT p1)) (AND p0 p3)), (OR (AND p0 (NOT p1)) (AND p0 p3)), p0, (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 142 ms :[(OR (AND p0 (NOT p1)) (AND p0 p3)), (OR (AND p0 (NOT p1)) (AND p0 p3)), p0, (AND p0 (NOT p1))]
[2025-06-03 06:55:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 06:55:25] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-06-03 06:55:25] [INFO ] [Real]Absence check using 7 positive and 4 generalized place invariants in 4 ms returned sat
[2025-06-03 06:55:25] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-06-03 06:55:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 06:55:25] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-06-03 06:55:25] [INFO ] [Nat]Absence check using 7 positive and 4 generalized place invariants in 167 ms returned sat
[2025-06-03 06:55:26] [INFO ] [Nat]Absence check using state equation in 596 ms returned sat
[2025-06-03 06:55:26] [INFO ] Computed and/alt/rep : 20/45/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 06:55:26] [INFO ] Added : 19 causal constraints over 4 iterations in 86 ms. Result :sat
Could not prove EG (AND p0 (NOT p1))
[2025-06-03 06:55:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 06:55:26] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2025-06-03 06:55:26] [INFO ] [Real]Absence check using 7 positive and 4 generalized place invariants in 4 ms returned sat
[2025-06-03 06:55:26] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-03 06:55:26] [INFO ] Computed and/alt/rep : 20/45/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 06:55:26] [INFO ] Added : 0 causal constraints over 0 iterations in 8 ms. Result :sat
Could not prove EG (AND p0 p3)
Support contains 5 out of 31 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 31 /31 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 20 sub problems to find dead transitions.
[2025-06-03 06:55:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 1/31 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/31 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 21/52 variables, 31/42 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/52 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 0/52 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 42 constraints, problems are : Problem set: 0 solved, 20 unsolved in 281 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 31/31 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 1/31 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 20 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 31/52 variables, and 11 constraints, problems are : Problem set: 0 solved, 20 unsolved in 20007 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/31 constraints, PredecessorRefiner: 0/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20293ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 20295ms
[2025-06-03 06:55:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:55:46] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-06-03 06:55:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:55:46] [INFO ] Implicit Places using invariants and state equation in 76 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 125 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 30/31 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 20422 ms. Remains : 30/31 places, 21/21 transitions.
Computed a total of 28 stabilizing places and 19 stable transitions
Graph (complete) has 71 edges and 30 vertex of which 29 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Computed a total of 28 stabilizing places and 19 stable transitions
Detected a total of 28/30 stabilizing places and 19/21 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 3/3 atomic propositions.
Knowledge obtained : [(AND p0 p3 (NOT p1)), (X (NOT p3)), (X (AND p0 (NOT p3))), (X (NOT (AND p0 p3))), (X p0), (X (X (AND p0 p1))), (X (X p0)), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p3) (G (NOT p3)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 12 factoid took 1157 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 173 ms :[(OR (AND p0 (NOT p1)) (AND p0 p3)), (OR (AND p0 (NOT p1)) (AND p0 p3)), p0, (AND p0 (NOT p1))]
RANDOM walk for 7956 steps (0 resets) in 9 ms. (795 steps per ms) remains 0/7 properties
Knowledge obtained : [(AND p0 p3 (NOT p1)), (X (NOT p3)), (X (AND p0 (NOT p3))), (X (NOT (AND p0 p3))), (X p0), (X (X (AND p0 p1))), (X (X p0)), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (F (OR (G p3) (G (NOT p3)))), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (AND p0 p3))), (F p1), (F (NOT (AND p0 (NOT p1)))), (F (NOT p3)), (F (NOT (OR (NOT p0) (NOT p1)))), (F (NOT (OR (NOT p0) p3)))]
Knowledge based reduction with 12 factoid took 3742 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 154 ms :[(OR (AND p0 (NOT p1)) (AND p0 p3)), (OR (AND p0 (NOT p1)) (AND p0 p3)), p0, (AND p0 (NOT p1))]
Stuttering acceptance computed with spot in 166 ms :[(OR (AND p0 (NOT p1)) (AND p0 p3)), (OR (AND p0 (NOT p1)) (AND p0 p3)), p0, (AND p0 (NOT p1))]
// Phase 1: matrix 21 rows 30 cols
[2025-06-03 06:55:52] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 06:55:52] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2025-06-03 06:55:52] [INFO ] [Real]Absence check using 5 positive and 5 generalized place invariants in 6 ms returned sat
[2025-06-03 06:55:52] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2025-06-03 06:55:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 06:55:52] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2025-06-03 06:55:52] [INFO ] [Nat]Absence check using 5 positive and 5 generalized place invariants in 46 ms returned sat
[2025-06-03 06:55:52] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2025-06-03 06:55:52] [INFO ] Computed and/alt/rep : 20/45/20 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-03 06:55:52] [INFO ] Added : 0 causal constraints over 0 iterations in 12 ms. Result :sat
Could not prove EG (AND p0 (NOT p1))
[2025-06-03 06:55:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-03 06:55:52] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2025-06-03 06:55:52] [INFO ] [Real]Absence check using 5 positive and 5 generalized place invariants in 6 ms returned sat
[2025-06-03 06:55:52] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-06-03 06:55:52] [INFO ] Computed and/alt/rep : 20/45/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 06:55:52] [INFO ] Added : 0 causal constraints over 0 iterations in 10 ms. Result :sat
Could not prove EG (AND p0 p3)
Stuttering acceptance computed with spot in 150 ms :[(OR (AND p0 (NOT p1)) (AND p0 p3)), (OR (AND p0 (NOT p1)) (AND p0 p3)), p0, (AND p0 (NOT p1))]
Product exploration explored 100000 steps with 15054 reset in 123 ms.
Stack based approach found an accepted trace after 88 steps with 10 reset with depth 7 and stack size 7 in 0 ms.
FORMULA GPPP-PT-C0100N0000000100-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property GPPP-PT-C0100N0000000100-LTLFireability-08 finished in 52080 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(X(X(F(!p0))))||F(p1))))'
Support contains 3 out of 33 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 33/33 places, 21/21 transitions.
Graph (trivial) has 4 edges and 33 vertex of which 2 / 33 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Graph (complete) has 79 edges and 32 vertex of which 31 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 31 transition count 19
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 4 place count 30 transition count 19
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 4 place count 30 transition count 18
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 6 place count 29 transition count 18
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 5 rules applied. Total rules applied 11 place count 26 transition count 16
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 2 places and 0 transitions.
Iterating global reduction 2 with 3 rules applied. Total rules applied 14 place count 24 transition count 15
Applied a total of 14 rules in 6 ms. Remains 24 /33 variables (removed 9) and now considering 15/21 (removed 6) transitions.
Running 14 sub problems to find dead transitions.
// Phase 1: matrix 15 rows 24 cols
[2025-06-03 06:55:52] [INFO ] Computed 10 invariants in 2 ms
[2025-06-03 06:55:52] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 1/24 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 14/38 variables, 24/34 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 1/39 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 9 (OVERLAPS) 0/39 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 35 constraints, problems are : Problem set: 0 solved, 14 unsolved in 255 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 24/24 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 1/24 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 14/38 variables, 24/34 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 14/48 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/38 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (OVERLAPS) 1/39 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/39 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 10 (OVERLAPS) 0/39 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 49 constraints, problems are : Problem set: 0 solved, 14 unsolved in 3680 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 24/24 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3941ms problems are : Problem set: 0 solved, 14 unsolved
Search for dead transitions found 0 dead transitions in 3942ms
[2025-06-03 06:55:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:55:56] [INFO ] Implicit Places using invariants in 53 ms returned [3]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 54 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 23/33 places, 15/21 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 22 transition count 14
Applied a total of 2 rules in 3 ms. Remains 22 /23 variables (removed 1) and now considering 14/15 (removed 1) transitions.
// Phase 1: matrix 14 rows 22 cols
[2025-06-03 06:55:56] [INFO ] Computed 9 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:55:56] [INFO ] Implicit Places using invariants in 58 ms returned []
[2025-06-03 06:55:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:55:56] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 06:55:56] [INFO ] Implicit Places using invariants and state equation in 57 ms returned [2]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 117 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 21/33 places, 14/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 14/14 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 4124 ms. Remains : 21/33 places, 14/21 transitions.
Stuttering acceptance computed with spot in 171 ms :[(AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : GPPP-PT-C0100N0000000100-LTLFireability-09
Product exploration explored 100000 steps with 2697 reset in 321 ms.
Product exploration explored 100000 steps with 2674 reset in 367 ms.
Computed a total of 21 stabilizing places and 13 stable transitions
Computed a total of 21 stabilizing places and 13 stable transitions
Detected a total of 21/21 stabilizing places and 13/14 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 2/2 atomic propositions.
Knowledge obtained : [(AND p1 p0), (X p1), (X (X p1)), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 193 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 127 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1))]
RANDOM walk for 40003 steps (28 resets) in 96 ms. (412 steps per ms) remains 1/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 123 ms. (322 steps per ms) remains 1/1 properties
// Phase 1: matrix 14 rows 21 cols
[2025-06-03 06:55:58] [INFO ] Computed 8 invariants in 1 ms
[2025-06-03 06:55:58] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 15/19 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/19 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/21 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/21 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf0 is UNSAT
After SMT solving in domain Real declared 34/35 variables, and 29 constraints, problems are : Problem set: 1 solved, 0 unsolved in 87 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 21/21 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 109ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 p0), (X p1), (X (X p1)), (F (OR (G p1) (G (NOT p1)))), (F (OR (G p0) (G (NOT p0)))), (G (OR (NOT p0) p1))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT p0))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 6 factoid took 40 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA GPPP-PT-C0100N0000000100-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property GPPP-PT-C0100N0000000100-LTLFireability-09 finished in 5559 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(p1)) U ((G(p2) U p1) U (!p3||X(p0)))))'
Support contains 7 out of 33 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 33/33 places, 21/21 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 32 transition count 21
Applied a total of 1 rules in 2 ms. Remains 32 /33 variables (removed 1) and now considering 21/21 (removed 0) transitions.
Running 20 sub problems to find dead transitions.
// Phase 1: matrix 21 rows 32 cols
[2025-06-03 06:55:58] [INFO ] Computed 12 invariants in 1 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 1/32 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/32 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 21/53 variables, 32/44 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 0/53 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 53/53 variables, and 44 constraints, problems are : Problem set: 0 solved, 20 unsolved in 385 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 32/32 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 1/32 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 20 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 32/53 variables, and 12 constraints, problems are : Problem set: 0 solved, 20 unsolved in 20007 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/32 constraints, PredecessorRefiner: 0/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20399ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 20400ms
[2025-06-03 06:56:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:56:18] [INFO ] Implicit Places using invariants in 39 ms returned [3]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 40 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 31/33 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 31 /31 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 20444 ms. Remains : 31/33 places, 21/21 transitions.
Stuttering acceptance computed with spot in 669 ms :[(AND (NOT p0) p3), (AND (NOT p1) (NOT p0)), (AND (NOT p0) p3), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) p3), (NOT p1), true, (NOT p1), (NOT p2), (NOT p1), (NOT p0), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p0) p3), (NOT p1)]
Running random walk in product with property : GPPP-PT-C0100N0000000100-LTLFireability-11
Entered a terminal (fully accepting) state of product in 23 steps with 0 reset in 1 ms.
FORMULA GPPP-PT-C0100N0000000100-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPPP-PT-C0100N0000000100-LTLFireability-11 finished in 21151 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 5 out of 33 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 33/33 places, 21/21 transitions.
Graph (trivial) has 3 edges and 33 vertex of which 2 / 33 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Graph (complete) has 79 edges and 32 vertex of which 31 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Reduce places removed 1 places and 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 30 transition count 18
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 4 place count 29 transition count 18
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 5 rules applied. Total rules applied 9 place count 26 transition count 16
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 2 places and 0 transitions.
Iterating global reduction 2 with 3 rules applied. Total rules applied 12 place count 24 transition count 15
Applied a total of 12 rules in 8 ms. Remains 24 /33 variables (removed 9) and now considering 15/21 (removed 6) transitions.
Running 14 sub problems to find dead transitions.
// Phase 1: matrix 15 rows 24 cols
[2025-06-03 06:56:19] [INFO ] Computed 10 invariants in 1 ms
[2025-06-03 06:56:19] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 1/24 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 14/38 variables, 24/34 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 1/39 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/39 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (OVERLAPS) 0/39 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 35 constraints, problems are : Problem set: 0 solved, 14 unsolved in 304 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 24/24 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 1/24 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 14/38 variables, 24/34 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/38 variables, 14/48 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/38 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 1/39 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 9 (OVERLAPS) 0/39 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 49 constraints, problems are : Problem set: 0 solved, 14 unsolved in 13340 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 24/24 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13652ms problems are : Problem set: 0 solved, 14 unsolved
Search for dead transitions found 0 dead transitions in 13652ms
[2025-06-03 06:56:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:56:33] [INFO ] Implicit Places using invariants in 49 ms returned [0, 13]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 50 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 22/33 places, 15/21 transitions.
Applied a total of 0 rules in 2 ms. Remains 22 /22 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 13713 ms. Remains : 22/33 places, 15/21 transitions.
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Running random walk in product with property : GPPP-PT-C0100N0000000100-LTLFireability-15
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 0 ms.
FORMULA GPPP-PT-C0100N0000000100-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPPP-PT-C0100N0000000100-LTLFireability-15 finished in 13768 ms.
All properties solved by simple procedures.
Total runtime 255716 ms.
BK_STOP 1748933793273
--------------------
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="GPPP-PT-C0100N0000000100"
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 GPPP-PT-C0100N0000000100, 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 r100-smll-174867007700324"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/GPPP-PT-C0100N0000000100.tgz
mv GPPP-PT-C0100N0000000100 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 '
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 ;