Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r030-smll-174853813800387.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 CircularTrains-PT-012, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r030-smll-174853813800387
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 460K
-rw-r--r-- 1 mcc users 6.9K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K 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 6.4K 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 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.5K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 94K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K 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 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 9.2K 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 CircularTrains-PT-012-LTLCardinality-00
FORMULA_NAME CircularTrains-PT-012-LTLCardinality-01
FORMULA_NAME CircularTrains-PT-012-LTLCardinality-02
FORMULA_NAME CircularTrains-PT-012-LTLCardinality-03
FORMULA_NAME CircularTrains-PT-012-LTLCardinality-04
FORMULA_NAME CircularTrains-PT-012-LTLCardinality-05
FORMULA_NAME CircularTrains-PT-012-LTLCardinality-06
FORMULA_NAME CircularTrains-PT-012-LTLCardinality-07
FORMULA_NAME CircularTrains-PT-012-LTLCardinality-08
FORMULA_NAME CircularTrains-PT-012-LTLCardinality-09
FORMULA_NAME CircularTrains-PT-012-LTLCardinality-10
FORMULA_NAME CircularTrains-PT-012-LTLCardinality-11
FORMULA_NAME CircularTrains-PT-012-LTLCardinality-12
FORMULA_NAME CircularTrains-PT-012-LTLCardinality-13
FORMULA_NAME CircularTrains-PT-012-LTLCardinality-14
FORMULA_NAME CircularTrains-PT-012-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1748887405964

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CircularTrains-PT-012
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-02 18:03:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 18:03:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 18:03:28] [INFO ] Load time of PNML (sax parser for PT used): 50 ms
[2025-06-02 18:03:28] [INFO ] Transformed 24 places.
[2025-06-02 18:03:28] [INFO ] Transformed 12 transitions.
[2025-06-02 18:03:28] [INFO ] Parsed PT model containing 24 places and 12 transitions and 48 arcs in 210 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 23 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA CircularTrains-PT-012-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircularTrains-PT-012-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircularTrains-PT-012-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircularTrains-PT-012-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CircularTrains-PT-012-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 22 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 11 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
// Phase 1: matrix 12 rows 24 cols
[2025-06-02 18:03:28] [INFO ] Computed 13 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:03:28] [INFO ] Implicit Places using invariants in 227 ms returned []
[2025-06-02 18:03:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:03:28] [INFO ] Implicit Places using invariants and state equation in 90 ms returned []
Implicit Place search using SMT with State Equation took 370 ms to find 0 implicit places.
Running 8 sub problems to find dead transitions.
[2025-06-02 18:03:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 5/21 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 3/24 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 12/36 variables, 24/37 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 37 constraints, problems are : Problem set: 0 solved, 8 unsolved in 427 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 5/21 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 3/24 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 12/36 variables, 24/37 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 8/45 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/36 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (OVERLAPS) 0/36 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 45 constraints, problems are : Problem set: 0 solved, 8 unsolved in 322 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 777ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 790ms
Finished structural reductions in LTL mode , in 1 iterations and 1198 ms. Remains : 24/24 places, 12/12 transitions.
Support contains 22 out of 24 places after structural reductions.
[2025-06-02 18:03:29] [INFO ] Flatten gal took : 21 ms
[2025-06-02 18:03:29] [INFO ] Flatten gal took : 7 ms
[2025-06-02 18:03:29] [INFO ] Input system was already deterministic with 12 transitions.
RANDOM walk for 40000 steps (8 resets) in 1203 ms. (33 steps per ms) remains 5/30 properties
BEST_FIRST walk for 40002 steps (8 resets) in 387 ms. (103 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (8 resets) in 541 ms. (73 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 321 ms. (124 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (8 resets) in 258 ms. (154 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (8 resets) in 126 ms. (314 steps per ms) remains 5/5 properties
[2025-06-02 18:03:30] [INFO ] Invariant cache hit.
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, 5 unsolved
Problem AtomicPropp0 is UNSAT
Problem AtomicPropp26 is UNSAT
At refinement iteration 1 (OVERLAPS) 6/11 variables, 3/3 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 2 solved, 3 unsolved
Problem AtomicPropp17 is UNSAT
Problem AtomicPropp19 is UNSAT
Problem AtomicPropp21 is UNSAT
After SMT solving in domain Real declared 22/36 variables, and 11 constraints, problems are : Problem set: 5 solved, 0 unsolved in 83 ms.
Refiners :[Positive P Invariants (semi-flows): 3/5 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 0/24 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 91ms problems are : Problem set: 5 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 5 atomic propositions for a total of 11 simplifications.
FORMULA CircularTrains-PT-012-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
FORMULA CircularTrains-PT-012-LTLCardinality-09 FALSE 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((p0 U X(X(p1)))) U G(p2)))'
Support contains 6 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 2 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2025-06-02 18:03:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:03:31] [INFO ] Implicit Places using invariants in 47 ms returned [5, 15, 21]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 52 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 55 ms. Remains : 21/24 places, 12/12 transitions.
Stuttering acceptance computed with spot in 627 ms :[(NOT p2), (NOT p1), (AND (NOT p1) p2), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p1), true, (NOT p1), (NOT p1), (AND (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : CircularTrains-PT-012-LTLCardinality-01
Entered a terminal (fully accepting) state of product in 50 steps with 14 reset in 2 ms.
FORMULA CircularTrains-PT-012-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircularTrains-PT-012-LTLCardinality-01 finished in 784 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 G((F(p1) U p2)))||X(p3))))'
Support contains 4 out of 24 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2025-06-02 18:03:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:03:32] [INFO ] Implicit Places using invariants in 65 ms returned [5, 20]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 66 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/24 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 22 /22 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 69 ms. Remains : 22/24 places, 12/12 transitions.
Stuttering acceptance computed with spot in 180 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p1) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3))]
Running random walk in product with property : CircularTrains-PT-012-LTLCardinality-02
Product exploration explored 100000 steps with 25398 reset in 332 ms.
Product exploration explored 100000 steps with 25495 reset in 263 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) p1 p3), (X (NOT p2)), (X (NOT (AND p2 (NOT p1) (NOT p3))))]
False Knowledge obtained : [(X p3), (X (NOT p3)), (X (AND (NOT p2) (NOT p1) (NOT p3))), (X (NOT (AND (NOT p2) (NOT p1) (NOT p3)))), (X (AND (NOT p2) (NOT p3))), (X (NOT (AND (NOT p2) (NOT p3)))), (X p1), (X (NOT p1)), (X (X p2)), (X (X (NOT p2))), (X (X p3)), (X (X (NOT p3))), (X (X (AND (NOT p2) (NOT p1) (NOT p3)))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p3))))), (X (X (AND p2 (NOT p1) (NOT p3)))), (X (X (NOT (AND p2 (NOT p1) (NOT p3))))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 3 factoid took 759 ms. Reduced automaton from 4 states, 10 edges and 3 AP (stutter sensitive) to 4 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 230 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3))]
RANDOM walk for 28 steps (0 resets) in 7 ms. (3 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND (NOT p2) p1 p3), (X (NOT p2)), (X (NOT (AND p2 (NOT p1) (NOT p3))))]
False Knowledge obtained : [(X p3), (X (NOT p3)), (X (AND (NOT p2) (NOT p1) (NOT p3))), (X (NOT (AND (NOT p2) (NOT p1) (NOT p3)))), (X (AND (NOT p2) (NOT p3))), (X (NOT (AND (NOT p2) (NOT p3)))), (X p1), (X (NOT p1)), (X (X p2)), (X (X (NOT p2))), (X (X p3)), (X (X (NOT p3))), (X (X (AND (NOT p2) (NOT p1) (NOT p3)))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p3))))), (X (X (AND p2 (NOT p1) (NOT p3)))), (X (X (NOT (AND p2 (NOT p1) (NOT p3))))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR p1 (NOT p2) p3))), (F (NOT (OR p2 p3))), (F (NOT p1)), (F p2), (F (NOT (OR p1 p2 p3))), (F (NOT p3))]
Knowledge based reduction with 3 factoid took 910 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter sensitive) to 4 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 220 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3))]
Stuttering acceptance computed with spot in 197 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3))]
Support contains 4 out of 22 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 12/12 (removed 0) transitions.
// Phase 1: matrix 12 rows 22 cols
[2025-06-02 18:03:35] [INFO ] Computed 11 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:03:35] [INFO ] Implicit Places using invariants in 54 ms returned []
[2025-06-02 18:03:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:03:35] [INFO ] Implicit Places using invariants and state equation in 77 ms returned []
Implicit Place search using SMT with State Equation took 134 ms to find 0 implicit places.
Running 8 sub problems to find dead transitions.
[2025-06-02 18:03:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 6/20 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 2/22 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/22 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 12/34 variables, 22/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/34 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 0/34 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 34/34 variables, and 33 constraints, problems are : Problem set: 0 solved, 8 unsolved in 301 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 6/20 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 2/22 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/22 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 12/34 variables, 22/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/34 variables, 8/41 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/34 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (OVERLAPS) 0/34 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 34/34 variables, and 41 constraints, problems are : Problem set: 0 solved, 8 unsolved in 271 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 579ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 579ms
Finished structural reductions in LTL mode , in 1 iterations and 716 ms. Remains : 22/22 places, 12/12 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 p1 (NOT p2) p3), (X (NOT p2))]
False Knowledge obtained : [(X p3), (X (NOT p3)), (X (AND (NOT p1) (NOT p2) (NOT p3))), (X (NOT (AND (NOT p1) (NOT p2) (NOT p3)))), (X (AND (NOT p2) (NOT p3))), (X (NOT (AND (NOT p2) (NOT p3)))), (X p1), (X (NOT p1)), (X (X p2)), (X (X (NOT p2))), (X (X p3)), (X (X (NOT p3))), (X (X (AND (NOT p1) (NOT p2) (NOT p3)))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p3))))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X (AND (NOT p1) p2 (NOT p3)))), (X (X (NOT (AND (NOT p1) p2 (NOT p3))))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 2 factoid took 780 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter sensitive) to 4 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 219 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3))]
RANDOM walk for 25 steps (0 resets) in 6 ms. (3 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND p1 (NOT p2) p3), (X (NOT p2))]
False Knowledge obtained : [(X p3), (X (NOT p3)), (X (AND (NOT p1) (NOT p2) (NOT p3))), (X (NOT (AND (NOT p1) (NOT p2) (NOT p3)))), (X (AND (NOT p2) (NOT p3))), (X (NOT (AND (NOT p2) (NOT p3)))), (X p1), (X (NOT p1)), (X (X p2)), (X (X (NOT p2))), (X (X p3)), (X (X (NOT p3))), (X (X (AND (NOT p1) (NOT p2) (NOT p3)))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p3))))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X (AND (NOT p1) p2 (NOT p3)))), (X (X (NOT (AND (NOT p1) p2 (NOT p3))))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR p1 (NOT p2) p3))), (F (NOT (OR p2 p3))), (F (NOT p1)), (F p2), (F (NOT (OR p1 p2 p3))), (F (NOT p3))]
Knowledge based reduction with 2 factoid took 842 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter sensitive) to 4 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 199 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3))]
Stuttering acceptance computed with spot in 185 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3))]
Stuttering acceptance computed with spot in 205 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3))]
Product exploration explored 100000 steps with 25018 reset in 228 ms.
Product exploration explored 100000 steps with 25208 reset in 241 ms.
Applying partial POR strategy [false, true, true, true]
Stuttering acceptance computed with spot in 226 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3))]
Support contains 4 out of 22 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 22/22 places, 12/12 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 22 transition count 12
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 22 transition count 12
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 22 transition count 12
Deduced a syphon composed of 2 places in 0 ms
Applied a total of 2 rules in 23 ms. Remains 22 /22 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 18:03:39] [INFO ] Redundant transitions in 0 ms returned []
Running 8 sub problems to find dead transitions.
// Phase 1: matrix 12 rows 22 cols
[2025-06-02 18:03:39] [INFO ] Computed 11 invariants in 2 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 6/20 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:03:39] [INFO ] Deduced a trap composed of 2 places in 58 ms of which 8 ms to minimize.
Problem TDEAD0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 18:03:39] [INFO ] Deduced a trap composed of 2 places in 32 ms of which 3 ms to minimize.
Problem TDEAD9 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 2/11 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/11 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 2/22 variables, 2/13 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/22 variables, 0/13 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 12/34 variables, 22/35 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/34 variables, 0/35 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 0/34 variables, 0/35 constraints. Problems are: Problem set: 2 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 34/34 variables, and 35 constraints, problems are : Problem set: 2 solved, 6 unsolved in 383 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 9/20 variables, 6/6 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 3/9 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 2/11 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 0/11 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 2/22 variables, 2/13 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/22 variables, 0/13 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 12/34 variables, 22/35 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/34 variables, 6/41 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/34 variables, 0/41 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 0/34 variables, 0/41 constraints. Problems are: Problem set: 2 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 34/34 variables, and 41 constraints, problems are : Problem set: 2 solved, 6 unsolved in 212 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 6/8 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 604ms problems are : Problem set: 2 solved, 6 unsolved
Search for dead transitions found 2 dead transitions in 605ms
Found 2 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 2 transitions
Dead transitions reduction (with SMT) removed 2 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 22/22 places, 10/12 transitions.
Graph (complete) has 40 edges and 22 vertex of which 20 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 7 ms. Remains 20 /22 variables (removed 2) and now considering 10/10 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 20/22 places, 10/12 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 650 ms. Remains : 20/22 places, 10/12 transitions.
Built C files in :
/tmp/ltsmin2385614727210535413
[2025-06-02 18:03:40] [INFO ] Built C files in 11ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2385614727210535413
Running compilation step : cd /tmp/ltsmin2385614727210535413;'/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 422 ms.
Running link step : cd /tmp/ltsmin2385614727210535413;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 79 ms.
Running LTSmin : cd /tmp/ltsmin2385614727210535413;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased12403489109270093474.hoa' '--buchi-type=spotba'
LTSmin run took 135 ms.
FORMULA CircularTrains-PT-012-LTLCardinality-02 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property CircularTrains-PT-012-LTLCardinality-02 finished in 8866 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 p1) U (G(p2) U X(p3))))'
Support contains 5 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
// Phase 1: matrix 12 rows 24 cols
[2025-06-02 18:03:40] [INFO ] Computed 13 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:03:41] [INFO ] Implicit Places using invariants in 68 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 70 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 23/24 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 23 /23 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 72 ms. Remains : 23/24 places, 12/12 transitions.
Stuttering acceptance computed with spot in 676 ms :[(NOT p3), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p2) (NOT p3)), true, (NOT p1), (NOT p1), (NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p3)]
Running random walk in product with property : CircularTrains-PT-012-LTLCardinality-03
Entered a terminal (fully accepting) state of product in 92 steps with 7 reset in 1 ms.
FORMULA CircularTrains-PT-012-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircularTrains-PT-012-LTLCardinality-03 finished in 800 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U p1)&&G(p0))))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2025-06-02 18:03:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:03:41] [INFO ] Implicit Places using invariants in 85 ms returned [5, 15, 20, 21]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 93 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/24 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 95 ms. Remains : 20/24 places, 12/12 transitions.
Stuttering acceptance computed with spot in 156 ms :[(NOT p0), (OR (NOT p1) (NOT p0)), true, (OR (NOT p0) (NOT p1))]
Running random walk in product with property : CircularTrains-PT-012-LTLCardinality-05
Entered a terminal (fully accepting) state of product in 17 steps with 0 reset in 0 ms.
FORMULA CircularTrains-PT-012-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircularTrains-PT-012-LTLCardinality-05 finished in 268 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((p0||X(F(p1))))))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2025-06-02 18:03:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:03:42] [INFO ] Implicit Places using invariants in 58 ms returned [5, 15, 20, 21]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 60 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/24 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 62 ms. Remains : 20/24 places, 12/12 transitions.
Stuttering acceptance computed with spot in 122 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CircularTrains-PT-012-LTLCardinality-11
Product exploration explored 100000 steps with 14842 reset in 178 ms.
Stack based approach found an accepted trace after 787 steps with 122 reset with depth 15 and stack size 15 in 3 ms.
FORMULA CircularTrains-PT-012-LTLCardinality-11 FALSE TECHNIQUES STACK_TEST
Treatment of property CircularTrains-PT-012-LTLCardinality-11 finished in 388 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)||G(p1))))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 3 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2025-06-02 18:03:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:03:42] [INFO ] Implicit Places using invariants in 80 ms returned [5, 15, 20, 21]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 81 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 20/24 places, 12/12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 20 transition count 10
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 3 rules applied. Total rules applied 5 place count 18 transition count 9
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 6 place count 17 transition count 9
Applied a total of 6 rules in 8 ms. Remains 17 /20 variables (removed 3) and now considering 9/12 (removed 3) transitions.
// Phase 1: matrix 9 rows 17 cols
[2025-06-02 18:03:42] [INFO ] Computed 9 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:03:42] [INFO ] Implicit Places using invariants in 50 ms returned []
[2025-06-02 18:03:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:03:42] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 115 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 17/24 places, 9/12 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 210 ms. Remains : 17/24 places, 9/12 transitions.
Stuttering acceptance computed with spot in 49 ms :[(AND (NOT p0) (NOT p1))]
Running random walk in product with property : CircularTrains-PT-012-LTLCardinality-12
Product exploration explored 100000 steps with 0 reset in 284 ms.
Stack based approach found an accepted trace after 13 steps with 0 reset with depth 14 and stack size 14 in 0 ms.
FORMULA CircularTrains-PT-012-LTLCardinality-12 FALSE TECHNIQUES STACK_TEST
Treatment of property CircularTrains-PT-012-LTLCardinality-12 finished in 564 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||F(p1))))'
Support contains 2 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 2 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
// Phase 1: matrix 12 rows 24 cols
[2025-06-02 18:03:42] [INFO ] Computed 13 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:03:43] [INFO ] Implicit Places using invariants in 60 ms returned [5, 15, 21]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 61 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 21/24 places, 12/12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 21 transition count 10
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 19 transition count 10
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 19 transition count 9
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 18 transition count 9
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 8 place count 17 transition count 8
Applied a total of 8 rules in 4 ms. Remains 17 /21 variables (removed 4) and now considering 8/12 (removed 4) transitions.
// Phase 1: matrix 8 rows 17 cols
[2025-06-02 18:03:43] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:03:43] [INFO ] Implicit Places using invariants in 57 ms returned []
[2025-06-02 18:03:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:03:43] [INFO ] Implicit Places using invariants and state equation in 74 ms returned []
Implicit Place search using SMT with State Equation took 133 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 17/24 places, 8/12 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 200 ms. Remains : 17/24 places, 8/12 transitions.
Stuttering acceptance computed with spot in 106 ms :[(AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : CircularTrains-PT-012-LTLCardinality-13
Product exploration explored 100000 steps with 4008 reset in 260 ms.
Stack based approach found an accepted trace after 53 steps with 1 reset with depth 29 and stack size 29 in 0 ms.
FORMULA CircularTrains-PT-012-LTLCardinality-13 FALSE TECHNIQUES STACK_TEST
Treatment of property CircularTrains-PT-012-LTLCardinality-13 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' '!(X((G(p0) U p1)))'
Support contains 4 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 2 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
// Phase 1: matrix 12 rows 24 cols
[2025-06-02 18:03:43] [INFO ] Computed 13 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:03:43] [INFO ] Implicit Places using invariants in 73 ms returned [5, 15, 20, 21]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 74 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/24 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 77 ms. Remains : 20/24 places, 12/12 transitions.
Stuttering acceptance computed with spot in 171 ms :[(NOT p1), (NOT p1), true, (NOT p0)]
Running random walk in product with property : CircularTrains-PT-012-LTLCardinality-14
Entered a terminal (fully accepting) state of product in 11 steps with 0 reset in 0 ms.
FORMULA CircularTrains-PT-012-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CircularTrains-PT-012-LTLCardinality-14 finished in 270 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 2 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 12/12 transitions.
Applied a total of 0 rules in 2 ms. Remains 24 /24 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2025-06-02 18:03:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:03:43] [INFO ] Implicit Places using invariants in 61 ms returned [5, 15, 20]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 63 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 21/24 places, 12/12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 21 transition count 11
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 3 place count 20 transition count 10
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 4 place count 19 transition count 10
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 4 place count 19 transition count 9
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 6 place count 18 transition count 9
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 3 with 2 rules applied. Total rules applied 8 place count 17 transition count 8
Applied a total of 8 rules in 5 ms. Remains 17 /21 variables (removed 4) and now considering 8/12 (removed 4) transitions.
// Phase 1: matrix 8 rows 17 cols
[2025-06-02 18:03:43] [INFO ] Computed 10 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:03:43] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-06-02 18:03:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:03:44] [INFO ] Implicit Places using invariants and state equation in 64 ms returned []
Implicit Place search using SMT with State Equation took 110 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 17/24 places, 8/12 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 181 ms. Remains : 17/24 places, 8/12 transitions.
Stuttering acceptance computed with spot in 92 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CircularTrains-PT-012-LTLCardinality-15
Product exploration explored 100000 steps with 3773 reset in 189 ms.
Product exploration explored 100000 steps with 3630 reset in 376 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 : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 200 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 88 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 61 steps (0 resets) in 8 ms. (6 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F (NOT p0))]
Knowledge based reduction with 1 factoid took 213 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Support contains 2 out of 17 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 17/17 places, 8/8 transitions.
Applied a total of 0 rules in 2 ms. Remains 17 /17 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2025-06-02 18:03:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:03:45] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-02 18:03:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 18:03:45] [INFO ] Implicit Places using invariants and state equation in 64 ms returned []
Implicit Place search using SMT with State Equation took 105 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 18:03:45] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2025-06-02 18:03:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 6/14 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 3/17 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 8/25 variables, 17/27 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 27 constraints, problems are : Problem set: 0 solved, 4 unsolved in 132 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 17/17 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 6/14 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 3/17 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 8/25 variables, 17/27 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/25 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/25 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 31 constraints, problems are : Problem set: 0 solved, 4 unsolved in 146 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 17/17 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 284ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 284ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 398 ms. Remains : 17/17 places, 8/8 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 : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 217 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 94 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 41 steps (0 resets) in 4 ms. (8 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F (NOT p0))]
Knowledge based reduction with 1 factoid took 247 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 90 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 89 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 87 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 3690 reset in 180 ms.
Product exploration explored 100000 steps with 3555 reset in 212 ms.
Built C files in :
/tmp/ltsmin5270028715132723907
[2025-06-02 18:03:47] [INFO ] Computing symmetric may disable matrix : 8 transitions.
[2025-06-02 18:03:47] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 18:03:47] [INFO ] Computing symmetric may enable matrix : 8 transitions.
[2025-06-02 18:03:47] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 18:03:47] [INFO ] Computing Do-Not-Accords matrix : 8 transitions.
[2025-06-02 18:03:47] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-02 18:03:47] [INFO ] Built C files in 33ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5270028715132723907
Running compilation step : cd /tmp/ltsmin5270028715132723907;'/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 158 ms.
Running link step : cd /tmp/ltsmin5270028715132723907;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 38 ms.
Running LTSmin : cd /tmp/ltsmin5270028715132723907;'/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/stateBased14613631910587922001.hoa' '--buchi-type=spotba'
LTSmin run took 89 ms.
FORMULA CircularTrains-PT-012-LTLCardinality-15 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property CircularTrains-PT-012-LTLCardinality-15 finished in 3541 ms.
All properties solved by simple procedures.
Total runtime 19517 ms.

BK_STOP 1748887427481

--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -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="CircularTrains-PT-012"
export BK_EXAMINATION="LTLCardinality"
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 CircularTrains-PT-012, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r030-smll-174853813800387"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CircularTrains-PT-012.tgz
mv CircularTrains-PT-012 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;