Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r240-tall-174915590600876.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 UtilityControlRoom-PT-Z4T4N04, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915590600876
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.5M
-rw-r--r-- 1 mcc users 25K May 29 14:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 140K May 29 14:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 23K May 29 14:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 99K May 29 14:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 45K May 29 14:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 19K May 29 14:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 59K May 29 14:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 55K May 29 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 295K May 29 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 107K May 29 14:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 421K May 29 14:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.8K May 29 14:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.0K May 29 14:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 8 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 128K May 29 14:33 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME UtilityControlRoom-PT-Z4T4N04-LTLFireability-00
FORMULA_NAME UtilityControlRoom-PT-Z4T4N04-LTLFireability-01
FORMULA_NAME UtilityControlRoom-PT-Z4T4N04-LTLFireability-02
FORMULA_NAME UtilityControlRoom-PT-Z4T4N04-LTLFireability-03
FORMULA_NAME UtilityControlRoom-PT-Z4T4N04-LTLFireability-04
FORMULA_NAME UtilityControlRoom-PT-Z4T4N04-LTLFireability-05
FORMULA_NAME UtilityControlRoom-PT-Z4T4N04-LTLFireability-06
FORMULA_NAME UtilityControlRoom-PT-Z4T4N04-LTLFireability-07
FORMULA_NAME UtilityControlRoom-PT-Z4T4N04-LTLFireability-08
FORMULA_NAME UtilityControlRoom-PT-Z4T4N04-LTLFireability-09
FORMULA_NAME UtilityControlRoom-PT-Z4T4N04-LTLFireability-10
FORMULA_NAME UtilityControlRoom-PT-Z4T4N04-LTLFireability-11
FORMULA_NAME UtilityControlRoom-PT-Z4T4N04-LTLFireability-12
FORMULA_NAME UtilityControlRoom-PT-Z4T4N04-LTLFireability-13
FORMULA_NAME UtilityControlRoom-PT-Z4T4N04-LTLFireability-14
FORMULA_NAME UtilityControlRoom-PT-Z4T4N04-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1749280511881

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=UtilityControlRoom-PT-Z4T4N04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-07 07:15:13] [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]
[2025-06-07 07:15:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 07:15:13] [INFO ] Load time of PNML (sax parser for PT used): 78 ms
[2025-06-07 07:15:13] [INFO ] Transformed 154 places.
[2025-06-07 07:15:13] [INFO ] Transformed 300 transitions.
[2025-06-07 07:15:13] [INFO ] Parsed PT model containing 154 places and 300 transitions and 964 arcs in 185 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
[2025-06-07 07:15:13] [INFO ] Reduced 12 identical enabling conditions.
[2025-06-07 07:15:13] [INFO ] Reduced 12 identical enabling conditions.
[2025-06-07 07:15:13] [INFO ] Reduced 12 identical enabling conditions.
Ensure Unique test removed 64 transitions
Reduce redundant transitions removed 64 transitions.
FORMULA UtilityControlRoom-PT-Z4T4N04-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 134 out of 154 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 154/154 places, 236/236 transitions.
Applied a total of 0 rules in 9 ms. Remains 154 /154 variables (removed 0) and now considering 236/236 (removed 0) transitions.
// Phase 1: matrix 236 rows 154 cols
[2025-06-07 07:15:14] [INFO ] Computed 11 invariants in 15 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:15:14] [INFO ] Implicit Places using invariants in 257 ms returned [125]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 298 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 153/154 places, 236/236 transitions.
Applied a total of 0 rules in 3 ms. Remains 153 /153 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 325 ms. Remains : 153/154 places, 236/236 transitions.
Support contains 134 out of 153 places after structural reductions.
[2025-06-07 07:15:14] [INFO ] Flatten gal took : 48 ms
[2025-06-07 07:15:14] [INFO ] Flatten gal took : 23 ms
[2025-06-07 07:15:14] [INFO ] Input system was already deterministic with 236 transitions.
Reduction of identical properties reduced properties to check from 30 to 29
RANDOM walk for 40000 steps (8 resets) in 1252 ms. (31 steps per ms) remains 1/29 properties
BEST_FIRST walk for 40004 steps (8 resets) in 182 ms. (218 steps per ms) remains 1/1 properties
// Phase 1: matrix 236 rows 153 cols
[2025-06-07 07:15:15] [INFO ] Computed 10 invariants in 3 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp24 is UNSAT
After SMT solving in domain Real declared 129/389 variables, and 4 constraints, problems are : Problem set: 1 solved, 0 unsolved in 94 ms.
Refiners :[Positive P Invariants (semi-flows): 4/10 constraints, State Equation: 0/153 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 125ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 15 simplifications.
FORMULA UtilityControlRoom-PT-Z4T4N04-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U X((F(G(p1))||(p0 U X(G(p2)))))))'
Support contains 24 out of 153 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 153/153 places, 236/236 transitions.
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 48 place count 105 transition count 188
Iterating global reduction 0 with 48 rules applied. Total rules applied 96 place count 105 transition count 188
Applied a total of 96 rules in 12 ms. Remains 105 /153 variables (removed 48) and now considering 188/236 (removed 48) transitions.
// Phase 1: matrix 188 rows 105 cols
[2025-06-07 07:15:16] [INFO ] Computed 10 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:15:16] [INFO ] Implicit Places using invariants in 116 ms returned [76]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 118 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 104/153 places, 188/236 transitions.
Applied a total of 0 rules in 2 ms. Remains 104 /104 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 132 ms. Remains : 104/153 places, 188/236 transitions.
Stuttering acceptance computed with spot in 279 ms :[(AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p1)]
Running random walk in product with property : UtilityControlRoom-PT-Z4T4N04-LTLFireability-00
Product exploration explored 100000 steps with 0 reset in 306 ms.
Stack based approach found an accepted trace after 543 steps with 0 reset with depth 544 and stack size 544 in 2 ms.
FORMULA UtilityControlRoom-PT-Z4T4N04-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z4T4N04-LTLFireability-00 finished in 835 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(((p0 U p1)&&X(!p2))) U X((X(!p0)||p3))))'
Support contains 105 out of 153 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 153/153 places, 236/236 transitions.
Applied a total of 0 rules in 5 ms. Remains 153 /153 variables (removed 0) and now considering 236/236 (removed 0) transitions.
// Phase 1: matrix 236 rows 153 cols
[2025-06-07 07:15:17] [INFO ] Computed 10 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:15:17] [INFO ] Implicit Places using invariants in 64 ms returned []
[2025-06-07 07:15:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:15:18] [INFO ] Implicit Places using invariants and state equation in 996 ms returned []
Implicit Place search using SMT with State Equation took 1062 ms to find 0 implicit places.
Running 232 sub problems to find dead transitions.
[2025-06-07 07:15:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/149 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/149 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 2 (OVERLAPS) 4/153 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/153 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 4 (OVERLAPS) 236/389 variables, 153/163 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/389 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 6 (OVERLAPS) 0/389 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 232 unsolved
No progress, stopping.
After SMT solving in domain Real declared 389/389 variables, and 163 constraints, problems are : Problem set: 0 solved, 232 unsolved in 11774 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 153/153 constraints, PredecessorRefiner: 232/232 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 232 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/149 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/149 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 2 (OVERLAPS) 4/153 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/153 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 4 (OVERLAPS) 236/389 variables, 153/163 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/389 variables, 232/395 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/389 variables, 0/395 constraints. Problems are: Problem set: 0 solved, 232 unsolved
At refinement iteration 7 (OVERLAPS) 0/389 variables, 0/395 constraints. Problems are: Problem set: 0 solved, 232 unsolved
No progress, stopping.
After SMT solving in domain Int declared 389/389 variables, and 395 constraints, problems are : Problem set: 0 solved, 232 unsolved in 18357 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 153/153 constraints, PredecessorRefiner: 232/232 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 30264ms problems are : Problem set: 0 solved, 232 unsolved
Search for dead transitions found 0 dead transitions in 30267ms
Finished structural reductions in LTL mode , in 1 iterations and 31338 ms. Remains : 153/153 places, 236/236 transitions.
Stuttering acceptance computed with spot in 481 ms :[(AND p0 (NOT p3)), (AND (NOT p3) p0), (AND p0 (NOT p3)), p0, true, (OR (AND p0 (NOT p1)) (AND p0 p2)), (OR (AND p0 (NOT p1) (NOT p3)) (AND p0 p2 (NOT p3))), (AND p0 (NOT p3)), (NOT p1), (OR (NOT p1) p2)]
Running random walk in product with property : UtilityControlRoom-PT-Z4T4N04-LTLFireability-01
Product exploration explored 100000 steps with 33333 reset in 351 ms.
Product exploration explored 100000 steps with 33333 reset in 339 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0) (NOT p3) (NOT p2)), (X (NOT p2)), (X (OR (AND (NOT p1) (NOT p0) (NOT p3)) (AND (NOT p3) p2))), (X (NOT (OR (AND p1 (NOT p3) (NOT p2)) (AND p0 (NOT p3) (NOT p2))))), (X (NOT (OR (AND p1 (NOT p3)) (AND p0 (NOT p3))))), (X (NOT p3)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT p3))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND p0 (NOT p3))))), (X (X (NOT (AND p0 p2)))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p1) p0 (NOT p2)))))]
False Knowledge obtained : [(X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 15 factoid took 21 ms. Reduced automaton from 10 states, 20 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA UtilityControlRoom-PT-Z4T4N04-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property UtilityControlRoom-PT-Z4T4N04-LTLFireability-01 finished in 32990 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))'
Support contains 37 out of 153 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 153/153 places, 236/236 transitions.
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 48 place count 105 transition count 188
Iterating global reduction 0 with 48 rules applied. Total rules applied 96 place count 105 transition count 188
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 104 place count 101 transition count 184
Applied a total of 104 rules in 22 ms. Remains 101 /153 variables (removed 52) and now considering 184/236 (removed 52) transitions.
// Phase 1: matrix 184 rows 101 cols
[2025-06-07 07:15:49] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:15:49] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-06-07 07:15:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:15:50] [INFO ] Implicit Places using invariants and state equation in 80 ms returned []
Implicit Place search using SMT with State Equation took 129 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 07:15:50] [INFO ] Redundant transitions in 8 ms returned []
Running 164 sub problems to find dead transitions.
[2025-06-07 07:15:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 2 (OVERLAPS) 4/101 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/101 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 4 (OVERLAPS) 184/285 variables, 101/111 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 6 (OVERLAPS) 0/285 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 164 unsolved
No progress, stopping.
After SMT solving in domain Real declared 285/285 variables, and 111 constraints, problems are : Problem set: 0 solved, 164 unsolved in 5400 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 101/101 constraints, PredecessorRefiner: 164/164 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 164 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 2 (OVERLAPS) 4/101 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/101 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 4 (OVERLAPS) 184/285 variables, 101/111 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 164/275 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 164 unsolved
At refinement iteration 7 (OVERLAPS) 0/285 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 164 unsolved
No progress, stopping.
After SMT solving in domain Int declared 285/285 variables, and 275 constraints, problems are : Problem set: 0 solved, 164 unsolved in 10478 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 101/101 constraints, PredecessorRefiner: 164/164 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15951ms problems are : Problem set: 0 solved, 164 unsolved
Search for dead transitions found 0 dead transitions in 15953ms
Starting structural reductions in SI_LTL mode, iteration 1 : 101/153 places, 184/236 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 16121 ms. Remains : 101/153 places, 184/236 transitions.
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Running random walk in product with property : UtilityControlRoom-PT-Z4T4N04-LTLFireability-02
Product exploration explored 100000 steps with 3964 reset in 258 ms.
Stack based approach found an accepted trace after 9126 steps with 360 reset with depth 27 and stack size 27 in 25 ms.
FORMULA UtilityControlRoom-PT-Z4T4N04-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z4T4N04-LTLFireability-02 finished in 16448 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 153 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 153/153 places, 236/236 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 64 transitions
Trivial Post-agglo rules discarded 64 transitions
Performed 64 trivial Post agglomeration. Transition count delta: 64
Iterating post reduction 0 with 64 rules applied. Total rules applied 64 place count 153 transition count 172
Reduce places removed 64 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 80 rules applied. Total rules applied 144 place count 89 transition count 156
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 144 place count 89 transition count 140
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 176 place count 73 transition count 140
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 179 place count 70 transition count 92
Iterating global reduction 2 with 3 rules applied. Total rules applied 182 place count 70 transition count 92
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 194 place count 58 transition count 80
Iterating global reduction 2 with 12 rules applied. Total rules applied 206 place count 58 transition count 80
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 218 place count 46 transition count 56
Iterating global reduction 2 with 12 rules applied. Total rules applied 230 place count 46 transition count 56
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 242 place count 34 transition count 44
Iterating global reduction 2 with 12 rules applied. Total rules applied 254 place count 34 transition count 44
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 266 place count 34 transition count 32
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 266 place count 34 transition count 28
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 274 place count 30 transition count 28
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 282 place count 26 transition count 24
Applied a total of 282 rules in 21 ms. Remains 26 /153 variables (removed 127) and now considering 24/236 (removed 212) transitions.
// Phase 1: matrix 24 rows 26 cols
[2025-06-07 07:16:06] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:16:06] [INFO ] Implicit Places using invariants in 38 ms returned [0, 9]
[2025-06-07 07:16:06] [INFO ] Actually due to overlaps returned [0]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 40 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 25/153 places, 24/236 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 24/24 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 62 ms. Remains : 25/153 places, 24/236 transitions.
Stuttering acceptance computed with spot in 57 ms :[p0, p0]
Running random walk in product with property : UtilityControlRoom-PT-Z4T4N04-LTLFireability-03
Product exploration explored 100000 steps with 5228 reset in 164 ms.
Stack based approach found an accepted trace after 621 steps with 32 reset with depth 28 and stack size 28 in 2 ms.
FORMULA UtilityControlRoom-PT-Z4T4N04-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z4T4N04-LTLFireability-03 finished in 304 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)) U !X(((F(p1)||G(p1))&&p0))) U p2))'
Support contains 29 out of 153 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 153/153 places, 236/236 transitions.
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 48 place count 105 transition count 188
Iterating global reduction 0 with 48 rules applied. Total rules applied 96 place count 105 transition count 188
Applied a total of 96 rules in 12 ms. Remains 105 /153 variables (removed 48) and now considering 188/236 (removed 48) transitions.
// Phase 1: matrix 188 rows 105 cols
[2025-06-07 07:16:06] [INFO ] Computed 10 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:16:06] [INFO ] Implicit Places using invariants in 49 ms returned []
[2025-06-07 07:16:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:16:06] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 133 ms to find 0 implicit places.
Running 184 sub problems to find dead transitions.
[2025-06-07 07:16:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 4/105 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/105 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (OVERLAPS) 188/293 variables, 105/115 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/293 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (OVERLAPS) 0/293 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Real declared 293/293 variables, and 115 constraints, problems are : Problem set: 0 solved, 184 unsolved in 6071 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 105/105 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 4/105 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/105 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (OVERLAPS) 188/293 variables, 105/115 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/293 variables, 184/299 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/293 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 7 (OVERLAPS) 0/293 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Int declared 293/293 variables, and 299 constraints, problems are : Problem set: 0 solved, 184 unsolved in 11683 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 105/105 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 17816ms problems are : Problem set: 0 solved, 184 unsolved
Search for dead transitions found 0 dead transitions in 17818ms
Starting structural reductions in LTL mode, iteration 1 : 105/153 places, 188/236 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 17963 ms. Remains : 105/153 places, 188/236 transitions.
Stuttering acceptance computed with spot in 241 ms :[(NOT p2), (OR (NOT p2) (AND p0 p1)), (NOT p0), (AND (NOT p0) p1), (AND p0 p1), (NOT p0)]
Running random walk in product with property : UtilityControlRoom-PT-Z4T4N04-LTLFireability-04
Product exploration explored 100000 steps with 4294 reset in 260 ms.
Product exploration explored 100000 steps with 4264 reset in 270 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (NOT (AND p2 p0))), (X (NOT (AND p0 (NOT p1)))), (X (AND p0 p1)), (X (NOT p2)), (X p0), (X p1)]
False Knowledge obtained : [(X (X (AND p2 p0))), (X (X (NOT (AND p2 p0)))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p2))), (X (X p2)), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 7 factoid took 553 ms. Reduced automaton from 6 states, 15 edges and 3 AP (stutter sensitive) to 10 states, 30 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 442 ms :[(OR (NOT p2) (AND p0 p1)), (OR (NOT p2) (AND p0 p1)), (NOT p0), (AND (NOT p0) p1), (AND p0 p1), (NOT p0), false, false, false, (AND p2 p0 p1)]
RANDOM walk for 2163 steps (0 resets) in 25 ms. (83 steps per ms) remains 0/11 properties
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (NOT (AND p2 p0))), (X (NOT (AND p0 (NOT p1)))), (X (AND p0 p1)), (X (NOT p2)), (X p0), (X p1)]
False Knowledge obtained : [(X (X (AND p2 p0))), (X (X (NOT (AND p2 p0)))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p2))), (X (X p2)), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR p0 p1 (NOT p2)))), (F (NOT (OR (NOT p0) p1))), (F (NOT (OR p0 (NOT p1) (NOT p2)))), (F (NOT (OR (NOT p0) (NOT p1)))), (F p2), (F (NOT (OR (NOT p0) (NOT p1) (NOT p2)))), (F (NOT (OR (NOT p0) p1 (NOT p2)))), (F (NOT (OR p0 (NOT p1)))), (F p1), (F (NOT (OR (NOT p0) (NOT p2)))), (F p0)]
Knowledge based reduction with 7 factoid took 935 ms. Reduced automaton from 10 states, 30 edges and 3 AP (stutter insensitive) to 10 states, 30 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 477 ms :[(OR (NOT p2) (AND p0 p1)), (OR (NOT p2) (AND p0 p1)), (NOT p0), (AND (NOT p0) p1), (AND p0 p1), (NOT p0), false, false, false, (AND p2 p0 p1)]
Stuttering acceptance computed with spot in 457 ms :[(OR (NOT p2) (AND p0 p1)), (OR (NOT p2) (AND p0 p1)), (NOT p0), (AND (NOT p0) p1), (AND p0 p1), (NOT p0), false, false, false, (AND p2 p0 p1)]
[2025-06-07 07:16:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 07:16:28] [INFO ] [Real]Absence check using 10 positive place invariants in 12 ms returned sat
[2025-06-07 07:16:28] [INFO ] [Real]Absence check using state equation in 129 ms returned sat
[2025-06-07 07:16:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 07:16:29] [INFO ] [Nat]Absence check using 10 positive place invariants in 17 ms returned sat
[2025-06-07 07:16:29] [INFO ] [Nat]Absence check using state equation in 112 ms returned sat
[2025-06-07 07:16:29] [INFO ] Computed and/alt/rep : 184/308/184 causal constraints (skipped 0 transitions) in 28 ms.
[2025-06-07 07:16:29] [INFO ] Added : 4 causal constraints over 1 iterations in 69 ms. Result :sat
Could not prove EG (NOT p2)
Support contains 29 out of 105 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 105/105 places, 188/188 transitions.
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 16 Pre rules applied. Total rules applied 0 place count 105 transition count 172
Deduced a syphon composed of 16 places in 1 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 0 with 32 rules applied. Total rules applied 32 place count 89 transition count 172
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 0 with 32 rules applied. Total rules applied 64 place count 73 transition count 156
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 80 place count 73 transition count 140
Applied a total of 80 rules in 12 ms. Remains 73 /105 variables (removed 32) and now considering 140/188 (removed 48) transitions.
// Phase 1: matrix 140 rows 73 cols
[2025-06-07 07:16:29] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:16:29] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-06-07 07:16:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:16:29] [INFO ] Implicit Places using invariants and state equation in 70 ms returned []
Implicit Place search using SMT with State Equation took 117 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 07:16:29] [INFO ] Redundant transitions in 2 ms returned []
Running 136 sub problems to find dead transitions.
[2025-06-07 07:16:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/69 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 4/73 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/73 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (OVERLAPS) 140/213 variables, 73/83 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/213 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (OVERLAPS) 0/213 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 213/213 variables, and 83 constraints, problems are : Problem set: 0 solved, 136 unsolved in 3485 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 73/73 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/69 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 4/73 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/73 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (OVERLAPS) 140/213 variables, 73/83 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/213 variables, 136/219 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (OVERLAPS) 0/213 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Int declared 213/213 variables, and 219 constraints, problems are : Problem set: 0 solved, 136 unsolved in 5813 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 73/73 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9329ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 9330ms
Starting structural reductions in SI_LTL mode, iteration 1 : 73/105 places, 140/188 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 9469 ms. Remains : 73/105 places, 140/188 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT (AND p0 (NOT p1) p2))), (X (NOT (AND p0 p1 p2))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1) p2))), (X (AND p0 p1)), (X (NOT (AND (NOT p0) p1 p2))), (X (NOT p2)), (X (NOT (AND p0 p2))), (X (NOT (AND (NOT p0) p1))), (X p0), (X p1), (X (X (NOT (AND p0 p1 p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (NOT (AND (NOT p0) p1 p2))))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1) p2))), (X (X (NOT (AND p0 (NOT p1) p2)))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p2))), (X (X p2)), (X (X (AND p0 p2))), (X (X (NOT (AND p0 p2)))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 15 factoid took 715 ms. Reduced automaton from 10 states, 30 edges and 3 AP (stutter insensitive) to 10 states, 30 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 400 ms :[(OR (NOT p2) (AND p0 p1)), (OR (NOT p2) (AND p0 p1)), (NOT p0), (AND (NOT p0) p1), (AND p0 p1), (NOT p0), false, false, false, (AND p2 p0 p1)]
RANDOM walk for 835 steps (0 resets) in 11 ms. (69 steps per ms) remains 0/11 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (NOT (AND p0 (NOT p1) p2))), (X (NOT (AND p0 p1 p2))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1) p2))), (X (AND p0 p1)), (X (NOT (AND (NOT p0) p1 p2))), (X (NOT p2)), (X (NOT (AND p0 p2))), (X (NOT (AND (NOT p0) p1))), (X p0), (X p1), (X (X (NOT (AND p0 p1 p2)))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (NOT (AND (NOT p0) p1 p2))))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1) p2))), (X (X (NOT (AND p0 (NOT p1) p2)))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p2))), (X (X p2)), (X (X (AND p0 p2))), (X (X (NOT (AND p0 p2)))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR p0 p1 (NOT p2)))), (F (NOT (OR (NOT p0) p1))), (F (NOT (OR p0 (NOT p1) (NOT p2)))), (F (NOT (OR (NOT p0) (NOT p1)))), (F p2), (F (NOT (OR (NOT p0) (NOT p1) (NOT p2)))), (F (NOT (OR (NOT p0) p1 (NOT p2)))), (F (NOT (OR p0 (NOT p1)))), (F p1), (F (NOT (OR (NOT p0) (NOT p2)))), (F p0)]
Knowledge based reduction with 15 factoid took 1037 ms. Reduced automaton from 10 states, 30 edges and 3 AP (stutter insensitive) to 10 states, 30 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 419 ms :[(OR (NOT p2) (AND p0 p1)), (OR (NOT p2) (AND p0 p1)), (NOT p0), (AND (NOT p0) p1), (AND p0 p1), (NOT p0), false, false, false, (AND p2 p0 p1)]
Stuttering acceptance computed with spot in 388 ms :[(OR (NOT p2) (AND p0 p1)), (OR (NOT p2) (AND p0 p1)), (NOT p0), (AND (NOT p0) p1), (AND p0 p1), (NOT p0), false, false, false, (AND p2 p0 p1)]
[2025-06-07 07:16:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 07:16:42] [INFO ] [Real]Absence check using 10 positive place invariants in 8 ms returned sat
[2025-06-07 07:16:42] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2025-06-07 07:16:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-07 07:16:42] [INFO ] [Nat]Absence check using 10 positive place invariants in 5 ms returned sat
[2025-06-07 07:16:42] [INFO ] [Nat]Absence check using state equation in 62 ms returned sat
[2025-06-07 07:16:42] [INFO ] Computed and/alt/rep : 136/292/136 causal constraints (skipped 0 transitions) in 10 ms.
[2025-06-07 07:16:42] [INFO ] Added : 93 causal constraints over 19 iterations in 191 ms. Result :sat
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 405 ms :[(OR (NOT p2) (AND p0 p1)), (OR (NOT p2) (AND p0 p1)), (NOT p0), (AND (NOT p0) p1), (AND p0 p1), (NOT p0), false, false, false, (AND p2 p0 p1)]
Product exploration explored 100000 steps with 5388 reset in 285 ms.
Product exploration explored 100000 steps with 5261 reset in 292 ms.
Built C files in :
/tmp/ltsmin18145469805014225943
[2025-06-07 07:16:43] [INFO ] Computing symmetric may disable matrix : 140 transitions.
[2025-06-07 07:16:43] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 07:16:43] [INFO ] Computing symmetric may enable matrix : 140 transitions.
[2025-06-07 07:16:43] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 07:16:43] [INFO ] Computing Do-Not-Accords matrix : 140 transitions.
[2025-06-07 07:16:43] [INFO ] Computation of Completed DNA matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-07 07:16:43] [INFO ] Built C files in 41ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin18145469805014225943
Running compilation step : cd /tmp/ltsmin18145469805014225943;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 476 ms.
Running link step : cd /tmp/ltsmin18145469805014225943;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 45 ms.
Running LTSmin : cd /tmp/ltsmin18145469805014225943;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased2005893274272082744.hoa' '--buchi-type=spotba'
LTSmin run took 211 ms.
FORMULA UtilityControlRoom-PT-Z4T4N04-LTLFireability-04 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property UtilityControlRoom-PT-Z4T4N04-LTLFireability-04 finished in 37745 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((!p0||G(!p1)))&&(X(X(!p1)) U ((!p2&&X(X(!p1)))||X(X(G(!p1)))))))'
Support contains 41 out of 153 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 153/153 places, 236/236 transitions.
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 48 place count 105 transition count 188
Iterating global reduction 0 with 48 rules applied. Total rules applied 96 place count 105 transition count 188
Applied a total of 96 rules in 5 ms. Remains 105 /153 variables (removed 48) and now considering 188/236 (removed 48) transitions.
// Phase 1: matrix 188 rows 105 cols
[2025-06-07 07:16:44] [INFO ] Computed 10 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:16:44] [INFO ] Implicit Places using invariants in 50 ms returned []
[2025-06-07 07:16:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:16:44] [INFO ] Implicit Places using invariants and state equation in 80 ms returned []
Implicit Place search using SMT with State Equation took 132 ms to find 0 implicit places.
Running 184 sub problems to find dead transitions.
[2025-06-07 07:16:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 4/105 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/105 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (OVERLAPS) 188/293 variables, 105/115 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/293 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (OVERLAPS) 0/293 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Real declared 293/293 variables, and 115 constraints, problems are : Problem set: 0 solved, 184 unsolved in 6430 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 105/105 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 4/105 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/105 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (OVERLAPS) 188/293 variables, 105/115 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/293 variables, 184/299 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/293 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 7 (OVERLAPS) 0/293 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Int declared 293/293 variables, and 299 constraints, problems are : Problem set: 0 solved, 184 unsolved in 11784 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 105/105 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 18258ms problems are : Problem set: 0 solved, 184 unsolved
Search for dead transitions found 0 dead transitions in 18259ms
Starting structural reductions in LTL mode, iteration 1 : 105/153 places, 188/236 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 18396 ms. Remains : 105/153 places, 188/236 transitions.
Stuttering acceptance computed with spot in 217 ms :[p1, (AND p0 p1), p1, p1, p1, true]
Running random walk in product with property : UtilityControlRoom-PT-Z4T4N04-LTLFireability-05
Product exploration explored 100000 steps with 33333 reset in 279 ms.
Product exploration explored 100000 steps with 33333 reset in 287 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT p2)), (X (NOT (AND (NOT p1) p2))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND p0 p1))), (X (NOT (AND p1 p2))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p1 p2)))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 13 factoid took 14 ms. Reduced automaton from 6 states, 11 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA UtilityControlRoom-PT-Z4T4N04-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property UtilityControlRoom-PT-Z4T4N04-LTLFireability-05 finished in 19221 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0&&X(p1)) U (X((!p0&&X((!p0 U (!p3||G(!p0))))))||p2)))'
Support contains 44 out of 153 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 153/153 places, 236/236 transitions.
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 48 place count 105 transition count 188
Iterating global reduction 0 with 48 rules applied. Total rules applied 96 place count 105 transition count 188
Applied a total of 96 rules in 6 ms. Remains 105 /153 variables (removed 48) and now considering 188/236 (removed 48) transitions.
[2025-06-07 07:17:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:17:03] [INFO ] Implicit Places using invariants in 99 ms returned [76]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 100 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 104/153 places, 188/236 transitions.
Applied a total of 0 rules in 1 ms. Remains 104 /104 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 107 ms. Remains : 104/153 places, 188/236 transitions.
Stuttering acceptance computed with spot in 192 ms :[true, (AND p0 (NOT p2)), (OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), p0, (AND p0 p3)]
Running random walk in product with property : UtilityControlRoom-PT-Z4T4N04-LTLFireability-07
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA UtilityControlRoom-PT-Z4T4N04-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property UtilityControlRoom-PT-Z4T4N04-LTLFireability-07 finished in 324 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((p0||G((p0||X(X(X(p0))))))))'
Support contains 1 out of 153 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 153/153 places, 236/236 transitions.
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 48 place count 105 transition count 188
Iterating global reduction 0 with 48 rules applied. Total rules applied 96 place count 105 transition count 188
Applied a total of 96 rules in 5 ms. Remains 105 /153 variables (removed 48) and now considering 188/236 (removed 48) transitions.
[2025-06-07 07:17:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:17:04] [INFO ] Implicit Places using invariants in 120 ms returned [76]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 121 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 104/153 places, 188/236 transitions.
Applied a total of 0 rules in 3 ms. Remains 104 /104 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 129 ms. Remains : 104/153 places, 188/236 transitions.
Stuttering acceptance computed with spot in 163 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : UtilityControlRoom-PT-Z4T4N04-LTLFireability-08
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA UtilityControlRoom-PT-Z4T4N04-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property UtilityControlRoom-PT-Z4T4N04-LTLFireability-08 finished in 312 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((F(p0) U (!p1&&F(p2)))))))'
Support contains 5 out of 153 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 153/153 places, 236/236 transitions.
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 48 place count 105 transition count 188
Iterating global reduction 0 with 48 rules applied. Total rules applied 96 place count 105 transition count 188
Applied a total of 96 rules in 4 ms. Remains 105 /153 variables (removed 48) and now considering 188/236 (removed 48) transitions.
[2025-06-07 07:17:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:17:04] [INFO ] Implicit Places using invariants in 119 ms returned [76]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 121 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 104/153 places, 188/236 transitions.
Applied a total of 0 rules in 2 ms. Remains 104 /104 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 127 ms. Remains : 104/153 places, 188/236 transitions.
Stuttering acceptance computed with spot in 257 ms :[(OR (NOT p2) p1), (OR (NOT p2) p1), (OR (NOT p2) p1), (OR (NOT p2) p1), (NOT p0), (NOT p2)]
Running random walk in product with property : UtilityControlRoom-PT-Z4T4N04-LTLFireability-09
Product exploration explored 100000 steps with 114 reset in 185 ms.
Stack based approach found an accepted trace after 1133 steps with 3 reset with depth 379 and stack size 379 in 3 ms.
FORMULA UtilityControlRoom-PT-Z4T4N04-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z4T4N04-LTLFireability-09 finished in 592 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||F(p1)) U X(p2)))'
Support contains 5 out of 153 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 153/153 places, 236/236 transitions.
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 48 place count 105 transition count 188
Iterating global reduction 0 with 48 rules applied. Total rules applied 96 place count 105 transition count 188
Applied a total of 96 rules in 5 ms. Remains 105 /153 variables (removed 48) and now considering 188/236 (removed 48) transitions.
[2025-06-07 07:17:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:17:04] [INFO ] Implicit Places using invariants in 71 ms returned []
[2025-06-07 07:17:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:17:05] [INFO ] Implicit Places using invariants and state equation in 107 ms returned []
Implicit Place search using SMT with State Equation took 180 ms to find 0 implicit places.
Running 184 sub problems to find dead transitions.
[2025-06-07 07:17:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 4/105 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/105 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (OVERLAPS) 188/293 variables, 105/115 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/293 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (OVERLAPS) 0/293 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Real declared 293/293 variables, and 115 constraints, problems are : Problem set: 0 solved, 184 unsolved in 6503 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 105/105 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 4/105 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/105 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (OVERLAPS) 188/293 variables, 105/115 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/293 variables, 184/299 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/293 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 7 (OVERLAPS) 0/293 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Int declared 293/293 variables, and 299 constraints, problems are : Problem set: 0 solved, 184 unsolved in 12167 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 105/105 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 18719ms problems are : Problem set: 0 solved, 184 unsolved
Search for dead transitions found 0 dead transitions in 18720ms
Starting structural reductions in LTL mode, iteration 1 : 105/153 places, 188/236 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 18905 ms. Remains : 105/153 places, 188/236 transitions.
Stuttering acceptance computed with spot in 176 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1)]
Running random walk in product with property : UtilityControlRoom-PT-Z4T4N04-LTLFireability-10
Product exploration explored 100000 steps with 2875 reset in 194 ms.
Stack based approach found an accepted trace after 8708 steps with 244 reset with depth 45 and stack size 45 in 21 ms.
FORMULA UtilityControlRoom-PT-Z4T4N04-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z4T4N04-LTLFireability-10 finished in 19322 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&&(p1||G(p2))))))'
Support contains 3 out of 153 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 153/153 places, 236/236 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 60 transitions
Trivial Post-agglo rules discarded 60 transitions
Performed 60 trivial Post agglomeration. Transition count delta: 60
Iterating post reduction 0 with 60 rules applied. Total rules applied 60 place count 153 transition count 176
Reduce places removed 60 places and 0 transitions.
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 1 with 75 rules applied. Total rules applied 135 place count 93 transition count 161
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 15 Pre rules applied. Total rules applied 135 place count 93 transition count 146
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 165 place count 78 transition count 146
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 167 place count 76 transition count 144
Iterating global reduction 2 with 2 rules applied. Total rules applied 169 place count 76 transition count 144
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 171 place count 74 transition count 112
Iterating global reduction 2 with 2 rules applied. Total rules applied 173 place count 74 transition count 112
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 181 place count 66 transition count 104
Iterating global reduction 2 with 8 rules applied. Total rules applied 189 place count 66 transition count 104
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 197 place count 58 transition count 88
Iterating global reduction 2 with 8 rules applied. Total rules applied 205 place count 58 transition count 88
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 213 place count 50 transition count 72
Iterating global reduction 2 with 8 rules applied. Total rules applied 221 place count 50 transition count 72
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 229 place count 50 transition count 64
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 3 with 32 rules applied. Total rules applied 261 place count 34 transition count 48
Applied a total of 261 rules in 22 ms. Remains 34 /153 variables (removed 119) and now considering 48/236 (removed 188) transitions.
// Phase 1: matrix 48 rows 34 cols
[2025-06-07 07:17:24] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:17:24] [INFO ] Implicit Places using invariants in 35 ms returned [25]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 37 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 33/153 places, 48/236 transitions.
Applied a total of 0 rules in 2 ms. Remains 33 /33 variables (removed 0) and now considering 48/48 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 61 ms. Remains : 33/153 places, 48/236 transitions.
Stuttering acceptance computed with spot in 74 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2)))]
Running random walk in product with property : UtilityControlRoom-PT-Z4T4N04-LTLFireability-11
Product exploration explored 100000 steps with 0 reset in 169 ms.
Stack based approach found an accepted trace after 3 steps with 0 reset with depth 4 and stack size 4 in 0 ms.
FORMULA UtilityControlRoom-PT-Z4T4N04-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z4T4N04-LTLFireability-11 finished in 326 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 1 out of 153 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 153/153 places, 236/236 transitions.
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 48 place count 105 transition count 188
Iterating global reduction 0 with 48 rules applied. Total rules applied 96 place count 105 transition count 188
Applied a total of 96 rules in 3 ms. Remains 105 /153 variables (removed 48) and now considering 188/236 (removed 48) transitions.
// Phase 1: matrix 188 rows 105 cols
[2025-06-07 07:17:24] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:17:24] [INFO ] Implicit Places using invariants in 114 ms returned [76]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 115 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 104/153 places, 188/236 transitions.
Applied a total of 0 rules in 2 ms. Remains 104 /104 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 121 ms. Remains : 104/153 places, 188/236 transitions.
Stuttering acceptance computed with spot in 84 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : UtilityControlRoom-PT-Z4T4N04-LTLFireability-12
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA UtilityControlRoom-PT-Z4T4N04-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property UtilityControlRoom-PT-Z4T4N04-LTLFireability-12 finished in 221 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0||X((p1||X(p1)))))&&X(p2)))'
Support contains 6 out of 153 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 153/153 places, 236/236 transitions.
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 48 place count 105 transition count 188
Iterating global reduction 0 with 48 rules applied. Total rules applied 96 place count 105 transition count 188
Applied a total of 96 rules in 3 ms. Remains 105 /153 variables (removed 48) and now considering 188/236 (removed 48) transitions.
[2025-06-07 07:17:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:17:24] [INFO ] Implicit Places using invariants in 68 ms returned []
[2025-06-07 07:17:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:17:24] [INFO ] Implicit Places using invariants and state equation in 109 ms returned []
Implicit Place search using SMT with State Equation took 179 ms to find 0 implicit places.
Running 184 sub problems to find dead transitions.
[2025-06-07 07:17:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 4/105 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/105 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (OVERLAPS) 188/293 variables, 105/115 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/293 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (OVERLAPS) 0/293 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Real declared 293/293 variables, and 115 constraints, problems are : Problem set: 0 solved, 184 unsolved in 6427 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 105/105 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 184 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 4/105 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/105 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (OVERLAPS) 188/293 variables, 105/115 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/293 variables, 184/299 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/293 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 7 (OVERLAPS) 0/293 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Int declared 293/293 variables, and 299 constraints, problems are : Problem set: 0 solved, 184 unsolved in 12403 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 105/105 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 18888ms problems are : Problem set: 0 solved, 184 unsolved
Search for dead transitions found 0 dead transitions in 18888ms
Starting structural reductions in LTL mode, iteration 1 : 105/153 places, 188/236 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 19071 ms. Remains : 105/153 places, 188/236 transitions.
Stuttering acceptance computed with spot in 232 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p2), (NOT p1), true]
Running random walk in product with property : UtilityControlRoom-PT-Z4T4N04-LTLFireability-13
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA UtilityControlRoom-PT-Z4T4N04-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property UtilityControlRoom-PT-Z4T4N04-LTLFireability-13 finished in 19318 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((p1 U p2))||p0)))'
Support contains 7 out of 153 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 153/153 places, 236/236 transitions.
Performed 64 Post agglomeration using F-continuation condition.Transition count delta: 64
Iterating post reduction 0 with 64 rules applied. Total rules applied 64 place count 153 transition count 172
Reduce places removed 64 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 80 rules applied. Total rules applied 144 place count 89 transition count 156
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 15 Pre rules applied. Total rules applied 144 place count 89 transition count 141
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 174 place count 74 transition count 141
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 176 place count 72 transition count 109
Iterating global reduction 2 with 2 rules applied. Total rules applied 178 place count 72 transition count 109
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 186 place count 64 transition count 101
Iterating global reduction 2 with 8 rules applied. Total rules applied 194 place count 64 transition count 101
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 201 place count 57 transition count 87
Iterating global reduction 2 with 7 rules applied. Total rules applied 208 place count 57 transition count 87
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 215 place count 50 transition count 73
Iterating global reduction 2 with 7 rules applied. Total rules applied 222 place count 50 transition count 73
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 229 place count 50 transition count 66
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 239 place count 45 transition count 61
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 3 with 4 rules applied. Total rules applied 243 place count 43 transition count 59
Applied a total of 243 rules in 17 ms. Remains 43 /153 variables (removed 110) and now considering 59/236 (removed 177) transitions.
// Phase 1: matrix 59 rows 43 cols
[2025-06-07 07:17:44] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:17:44] [INFO ] Implicit Places using invariants in 39 ms returned []
[2025-06-07 07:17:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 07:17:44] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 07:17:44] [INFO ] Redundant transitions in 0 ms returned []
Running 50 sub problems to find dead transitions.
[2025-06-07 07:17:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/39 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 2 (OVERLAPS) 4/43 variables, 6/10 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 4 (OVERLAPS) 59/102 variables, 43/53 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 6 (OVERLAPS) 0/102 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 50 unsolved
No progress, stopping.
After SMT solving in domain Real declared 102/102 variables, and 53 constraints, problems are : Problem set: 0 solved, 50 unsolved in 809 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 43/43 constraints, PredecessorRefiner: 50/50 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 50 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/39 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 2 (OVERLAPS) 4/43 variables, 6/10 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 4 (OVERLAPS) 59/102 variables, 43/53 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 50/103 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/102 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 50 unsolved
At refinement iteration 7 (OVERLAPS) 0/102 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 50 unsolved
No progress, stopping.
After SMT solving in domain Int declared 102/102 variables, and 103 constraints, problems are : Problem set: 0 solved, 50 unsolved in 1137 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 43/43 constraints, PredecessorRefiner: 50/50 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1954ms problems are : Problem set: 0 solved, 50 unsolved
Search for dead transitions found 0 dead transitions in 1955ms
Starting structural reductions in SI_LTL mode, iteration 1 : 43/153 places, 59/236 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2067 ms. Remains : 43/153 places, 59/236 transitions.
Stuttering acceptance computed with spot in 86 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : UtilityControlRoom-PT-Z4T4N04-LTLFireability-15
Product exploration explored 100000 steps with 16693 reset in 201 ms.
Stack based approach found an accepted trace after 2749 steps with 462 reset with depth 9 and stack size 9 in 6 ms.
FORMULA UtilityControlRoom-PT-Z4T4N04-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z4T4N04-LTLFireability-15 finished in 2383 ms.
All properties solved by simple procedures.
Total runtime 153153 ms.

BK_STOP 1749280666489

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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="UtilityControlRoom-PT-Z4T4N04"
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 UtilityControlRoom-PT-Z4T4N04, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r240-tall-174915590600876"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtilityControlRoom-PT-Z4T4N04.tgz
mv UtilityControlRoom-PT-Z4T4N04 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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