About the Execution of ITS-Tools for ClientsAndServers-PT-N2000P0
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 30191.00 | 0.00 | 0.00 | FFFTFFFFFFFFTTFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r030-smll-174853814200587.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 ClientsAndServers-PT-N2000P0, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r030-smll-174853814200587
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 476K
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K 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 59K 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 6.6K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 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 95K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.4K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 84K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K 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 8 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 ClientsAndServers-PT-N2000P0-LTLCardinality-00
FORMULA_NAME ClientsAndServers-PT-N2000P0-LTLCardinality-01
FORMULA_NAME ClientsAndServers-PT-N2000P0-LTLCardinality-02
FORMULA_NAME ClientsAndServers-PT-N2000P0-LTLCardinality-03
FORMULA_NAME ClientsAndServers-PT-N2000P0-LTLCardinality-04
FORMULA_NAME ClientsAndServers-PT-N2000P0-LTLCardinality-05
FORMULA_NAME ClientsAndServers-PT-N2000P0-LTLCardinality-06
FORMULA_NAME ClientsAndServers-PT-N2000P0-LTLCardinality-07
FORMULA_NAME ClientsAndServers-PT-N2000P0-LTLCardinality-08
FORMULA_NAME ClientsAndServers-PT-N2000P0-LTLCardinality-09
FORMULA_NAME ClientsAndServers-PT-N2000P0-LTLCardinality-10
FORMULA_NAME ClientsAndServers-PT-N2000P0-LTLCardinality-11
FORMULA_NAME ClientsAndServers-PT-N2000P0-LTLCardinality-12
FORMULA_NAME ClientsAndServers-PT-N2000P0-LTLCardinality-13
FORMULA_NAME ClientsAndServers-PT-N2000P0-LTLCardinality-14
FORMULA_NAME ClientsAndServers-PT-N2000P0-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1749035931286
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ClientsAndServers-PT-N2000P0
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-04 11:18:53] [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]
[2025-06-04 11:18:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 11:18:53] [INFO ] Load time of PNML (sax parser for PT used): 72 ms
[2025-06-04 11:18:53] [INFO ] Transformed 25 places.
[2025-06-04 11:18:53] [INFO ] Transformed 18 transitions.
[2025-06-04 11:18:53] [INFO ] Parsed PT model containing 25 places and 18 transitions and 54 arcs in 281 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 32 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA ClientsAndServers-PT-N2000P0-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N2000P0-LTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N2000P0-LTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N2000P0-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 20 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 24 transition count 18
Applied a total of 1 rules in 31 ms. Remains 24 /25 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 24 cols
[2025-06-04 11:18:53] [INFO ] Computed 7 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:18:54] [INFO ] Implicit Places using invariants in 269 ms returned []
[2025-06-04 11:18:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:18:54] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 442 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2025-06-04 11:18:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/24 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/42 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/42 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/42 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 42/42 variables, and 31 constraints, problems are : Problem set: 0 solved, 17 unsolved in 794 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/24 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/42 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/42 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/42 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 0/42 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 42/42 variables, and 48 constraints, problems are : Problem set: 0 solved, 17 unsolved in 662 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1499ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 1517ms
Starting structural reductions in LTL mode, iteration 1 : 24/25 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2025 ms. Remains : 24/25 places, 18/18 transitions.
Support contains 20 out of 24 places after structural reductions.
[2025-06-04 11:18:56] [INFO ] Flatten gal took : 33 ms
[2025-06-04 11:18:56] [INFO ] Flatten gal took : 11 ms
[2025-06-04 11:18:56] [INFO ] Input system was already deterministic with 18 transitions.
RANDOM walk for 64004 steps (0 resets) in 161 ms. (395 steps per ms) remains 24/25 properties
BEST_FIRST walk for 4003 steps (8 resets) in 211 ms. (18 steps per ms) remains 19/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 81 ms. (48 steps per ms) remains 18/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 74 ms. (53 steps per ms) remains 7/18 properties
BEST_FIRST walk for 4003 steps (8 resets) in 45 ms. (87 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4004 steps (8 resets) in 61 ms. (64 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4002 steps (8 resets) in 51 ms. (76 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4004 steps (8 resets) in 50 ms. (78 steps per ms) remains 7/7 properties
[2025-06-04 11:18:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem AtomicPropp2 is UNSAT
At refinement iteration 1 (OVERLAPS) 15/24 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 6 unsolved
Problem AtomicPropp0 is UNSAT
Problem AtomicPropp17 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 2/7 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 18/42 variables, 24/31 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/42 variables, 0/31 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/42 variables, 0/31 constraints. Problems are: Problem set: 3 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 42/42 variables, and 31 constraints, problems are : Problem set: 3 solved, 4 unsolved in 147 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 4 unsolved
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: 3 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 15/20 variables, 4/4 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 3/23 variables, 1/5 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 1/24 variables, 1/7 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 18/42 variables, 24/31 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/42 variables, 4/35 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/42 variables, 0/35 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 0/42 variables, 0/35 constraints. Problems are: Problem set: 3 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 42/42 variables, and 35 constraints, problems are : Problem set: 3 solved, 4 unsolved in 238 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 4/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 395ms problems are : Problem set: 3 solved, 4 unsolved
Fused 4 Parikh solutions to 1 different solutions.
Finished Parikh walk after 114087 steps, including 0 resets, run visited all 4 properties in 1153 ms. (steps per millisecond=98 )
Parikh walk visited 4 properties in 1159 ms.
FORMULA ClientsAndServers-PT-N2000P0-LTLCardinality-05 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 3 atomic propositions for a total of 11 simplifications.
FORMULA ClientsAndServers-PT-N2000P0-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
FORMULA ClientsAndServers-PT-N2000P0-LTLCardinality-08 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' '!(F(p0))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 22 transition count 15
Reduce places removed 3 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 5 rules applied. Total rules applied 10 place count 19 transition count 13
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 12 place count 17 transition count 13
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 12 place count 17 transition count 11
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 16 place count 15 transition count 11
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 20 place count 13 transition count 9
Applied a total of 20 rules in 26 ms. Remains 13 /24 variables (removed 11) and now considering 9/18 (removed 9) transitions.
// Phase 1: matrix 9 rows 13 cols
[2025-06-04 11:18:58] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:18:59] [INFO ] Implicit Places using invariants in 50 ms returned [11]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 52 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 12/24 places, 9/18 transitions.
Applied a total of 0 rules in 4 ms. Remains 12 /12 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 82 ms. Remains : 12/24 places, 9/18 transitions.
Stuttering acceptance computed with spot in 275 ms :[(NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N2000P0-LTLCardinality-01
Product exploration explored 100000 steps with 1313 reset in 485 ms.
Stack based approach found an accepted trace after 169 steps with 2 reset with depth 75 and stack size 75 in 5 ms.
FORMULA ClientsAndServers-PT-N2000P0-LTLCardinality-01 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N2000P0-LTLCardinality-01 finished in 947 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) U X(p1)) U !p0)) U (p2&&X(X(p3)))))'
Support contains 5 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 22 transition count 18
Applied a total of 2 rules in 2 ms. Remains 22 /24 variables (removed 2) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 22 cols
[2025-06-04 11:18:59] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:18:59] [INFO ] Implicit Places using invariants in 35 ms returned [20]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 36 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 40 ms. Remains : 21/24 places, 18/18 transitions.
Stuttering acceptance computed with spot in 616 ms :[(OR (NOT p2) (NOT p3)), p0, (NOT p3), (NOT p1), (AND p0 (NOT p3)), (AND (NOT p1) (NOT p0) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N2000P0-LTLCardinality-02
Product exploration explored 100000 steps with 33359 reset in 163 ms.
Product exploration explored 100000 steps with 33172 reset in 204 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) p1 (NOT p3)), (X (OR (NOT p2) p0)), (X (NOT p2)), (X (NOT p0)), (X (X p1)), (X (X (NOT p3))), (X (X (OR (NOT p2) p0))), (X (X (NOT (AND p0 (NOT p3))))), (X (X (OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p3))))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (NOT p0))), (X (X (AND (NOT p2) (NOT p0) (NOT p3))))]
False Knowledge obtained : []
Knowledge based reduction with 16 factoid took 163 ms. Reduced automaton from 10 states, 24 edges and 4 AP (stutter sensitive) to 10 states, 24 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 527 ms :[(OR (NOT p2) (NOT p3)), p0, (NOT p3), (NOT p1), (AND p0 (NOT p3)), (AND (NOT p1) (NOT p0) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p0) (NOT p1)), (NOT p0)]
RANDOM walk for 64004 steps (0 resets) in 85 ms. (744 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 273 ms. (146 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 130 ms. (305 steps per ms) remains 3/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 271 ms. (147 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 127 ms. (312 steps per ms) remains 3/3 properties
// Phase 1: matrix 18 rows 21 cols
[2025-06-04 11:19:01] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 16/20 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1/21 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 25 constraints, problems are : Problem set: 0 solved, 3 unsolved in 127 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 16/20 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1/21 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 28 constraints, problems are : Problem set: 0 solved, 3 unsolved in 132 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 267ms problems are : Problem set: 0 solved, 3 unsolved
Finished Parikh walk after 814197 steps, including 53 resets, run visited all 3 properties in 1284 ms. (steps per millisecond=634 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 3 properties in 1283 ms.
Knowledge obtained : [(AND (NOT p2) (NOT p0) p1 (NOT p3)), (X (OR (NOT p2) p0)), (X (NOT p2)), (X (NOT p0)), (X (X p1)), (X (X (NOT p3))), (X (X (OR (NOT p2) p0))), (X (X (NOT (AND p0 (NOT p3))))), (X (X (OR (AND (NOT p2) (NOT p3)) (AND p0 (NOT p3))))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p3))))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (NOT p0))), (X (X (AND (NOT p2) (NOT p0) (NOT p3))))]
False Knowledge obtained : [(F (NOT (AND (NOT p2) (NOT p3)))), (F (NOT (OR (AND p0 (NOT p3)) (AND (NOT p2) (NOT p3))))), (F (NOT (AND (NOT p0) (NOT p2) (NOT p3)))), (F (NOT (OR p0 p3 p1))), (F (NOT (OR (NOT p2) p3))), (F (NOT (OR p0 p1))), (F p2), (F (NOT p1)), (F (NOT (OR (NOT p0) p3))), (F p3), (F (NOT (OR p0 (NOT p2)))), (F p0)]
Knowledge based reduction with 16 factoid took 506 ms. Reduced automaton from 10 states, 24 edges and 4 AP (stutter sensitive) to 10 states, 24 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 532 ms :[(OR (NOT p2) (NOT p3)), p0, (NOT p3), (NOT p1), (AND p0 (NOT p3)), (AND (NOT p1) (NOT p0) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p0) (NOT p1)), (NOT p0)]
Stuttering acceptance computed with spot in 606 ms :[(OR (NOT p2) (NOT p3)), p0, (NOT p3), (NOT p1), (AND p0 (NOT p3)), (AND (NOT p1) (NOT p0) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p0) (NOT p1)), (NOT p0)]
[2025-06-04 11:19:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 11:19:05] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2025-06-04 11:19:05] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-04 11:19:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 11:19:05] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2025-06-04 11:19:05] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2025-06-04 11:19:05] [INFO ] Computed and/alt/rep : 17/17/17 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-04 11:19:05] [INFO ] Added : 14 causal constraints over 3 iterations in 38 ms. Result :sat
Could not prove EG (NOT p2)
[2025-06-04 11:19:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 11:19:05] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2025-06-04 11:19:05] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-04 11:19:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 11:19:05] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-06-04 11:19:05] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-04 11:19:05] [INFO ] Computed and/alt/rep : 17/17/17 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-04 11:19:05] [INFO ] Added : 12 causal constraints over 3 iterations in 23 ms. Result :sat
Could not prove EG (NOT p3)
Support contains 5 out of 21 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 21/21 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2025-06-04 11:19:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:19:05] [INFO ] Implicit Places using invariants in 56 ms returned []
[2025-06-04 11:19:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:19:05] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 114 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2025-06-04 11:19:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 25 constraints, problems are : Problem set: 0 solved, 17 unsolved in 464 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/39 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 42 constraints, problems are : Problem set: 0 solved, 17 unsolved in 388 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 862ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 863ms
Finished structural reductions in LTL mode , in 1 iterations and 980 ms. Remains : 21/21 places, 18/18 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 p2) (NOT p0) p1 (NOT p3)), (X (NOT p2)), (X (NOT p0)), (X (OR p0 (NOT p2))), (X (X p1)), (X (X (NOT p3))), (X (X (NOT (AND p0 (NOT p3))))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p3) (NOT p1))))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (OR (AND p0 (NOT p3)) (AND (NOT p2) (NOT p3))))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (AND (NOT p0) (NOT p2) (NOT p3)))), (X (X (NOT p0))), (X (X (OR p0 (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 16 factoid took 227 ms. Reduced automaton from 10 states, 24 edges and 4 AP (stutter sensitive) to 10 states, 24 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 518 ms :[(OR (NOT p2) (NOT p3)), p0, (NOT p3), (NOT p1), (AND p0 (NOT p3)), (AND (NOT p1) (NOT p0) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p0) (NOT p1)), (NOT p0)]
RANDOM walk for 64004 steps (0 resets) in 30 ms. (2064 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 126 ms. (314 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 85 ms. (465 steps per ms) remains 3/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 3/3 properties
[2025-06-04 11:19:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 16/20 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1/21 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 25 constraints, problems are : Problem set: 0 solved, 3 unsolved in 133 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 16/20 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 1/21 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 28 constraints, problems are : Problem set: 0 solved, 3 unsolved in 146 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 283ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Finished Parikh walk after 58 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=58 )
Parikh walk visited 3 properties in 1358 ms.
Knowledge obtained : [(AND (NOT p2) (NOT p0) p1 (NOT p3)), (X (NOT p2)), (X (NOT p0)), (X (OR p0 (NOT p2))), (X (X p1)), (X (X (NOT p3))), (X (X (NOT (AND p0 (NOT p3))))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p3) (NOT p1))))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (OR (AND p0 (NOT p3)) (AND (NOT p2) (NOT p3))))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (AND (NOT p0) (NOT p2) (NOT p3)))), (X (X (NOT p0))), (X (X (OR p0 (NOT p2))))]
False Knowledge obtained : [(F (NOT (AND (NOT p2) (NOT p3)))), (F (NOT (OR (AND p0 (NOT p3)) (AND (NOT p2) (NOT p3))))), (F (NOT (AND (NOT p0) (NOT p2) (NOT p3)))), (F (NOT (OR p0 p3 p1))), (F (NOT (OR (NOT p2) p3))), (F (NOT (OR p0 p1))), (F p2), (F (NOT p1)), (F (NOT (OR (NOT p0) p3))), (F p3), (F (NOT (OR p0 (NOT p2)))), (F p0)]
Knowledge based reduction with 16 factoid took 620 ms. Reduced automaton from 10 states, 24 edges and 4 AP (stutter sensitive) to 10 states, 24 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 570 ms :[(OR (NOT p2) (NOT p3)), p0, (NOT p3), (NOT p1), (AND p0 (NOT p3)), (AND (NOT p1) (NOT p0) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p0) (NOT p1)), (NOT p0)]
Stuttering acceptance computed with spot in 505 ms :[(OR (NOT p2) (NOT p3)), p0, (NOT p3), (NOT p1), (AND p0 (NOT p3)), (AND (NOT p1) (NOT p0) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p0) (NOT p1)), (NOT p0)]
[2025-06-04 11:19:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 11:19:10] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2025-06-04 11:19:10] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2025-06-04 11:19:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 11:19:10] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-06-04 11:19:10] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-04 11:19:10] [INFO ] Computed and/alt/rep : 17/17/17 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-04 11:19:10] [INFO ] Added : 14 causal constraints over 3 iterations in 18 ms. Result :sat
Could not prove EG (NOT p2)
[2025-06-04 11:19:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 11:19:10] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2025-06-04 11:19:10] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-04 11:19:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 11:19:10] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2025-06-04 11:19:10] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-04 11:19:10] [INFO ] Computed and/alt/rep : 17/17/17 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-04 11:19:10] [INFO ] Added : 12 causal constraints over 3 iterations in 21 ms. Result :sat
Could not prove EG (NOT p3)
Stuttering acceptance computed with spot in 560 ms :[(OR (NOT p2) (NOT p3)), p0, (NOT p3), (NOT p1), (AND p0 (NOT p3)), (AND (NOT p1) (NOT p0) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p0) (NOT p1)), (NOT p0)]
Product exploration explored 100000 steps with 33498 reset in 354 ms.
Product exploration explored 100000 steps with 33271 reset in 277 ms.
Applying partial POR strategy [false, false, false, false, false, false, false, false, true, true]
Stuttering acceptance computed with spot in 491 ms :[(OR (NOT p2) (NOT p3)), p0, (NOT p3), (NOT p1), (AND p0 (NOT p3)), (AND (NOT p1) (NOT p0) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p0) (NOT p1)), (NOT p0)]
Support contains 5 out of 21 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 21/21 places, 18/18 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 21 transition count 18
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 2 Pre rules applied. Total rules applied 3 place count 21 transition count 18
Deduced a syphon composed of 5 places in 0 ms
Iterating global reduction 1 with 2 rules applied. Total rules applied 5 place count 21 transition count 18
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 7 places in 0 ms
Iterating global reduction 1 with 2 rules applied. Total rules applied 7 place count 21 transition count 18
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 20 transition count 17
Deduced a syphon composed of 6 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 20 transition count 17
Deduced a syphon composed of 6 places in 0 ms
Applied a total of 9 rules in 9 ms. Remains 20 /21 variables (removed 1) and now considering 17/18 (removed 1) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 11:19:12] [INFO ] Redundant transitions in 0 ms returned []
Running 16 sub problems to find dead transitions.
// Phase 1: matrix 17 rows 20 cols
[2025-06-04 11:19:12] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/19 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (OVERLAPS) 1/20 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
At refinement iteration 4 (OVERLAPS) 17/37 variables, 20/24 constraints. Problems are: Problem set: 6 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/37 variables, 0/24 constraints. Problems are: Problem set: 6 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 0/37 variables, 0/24 constraints. Problems are: Problem set: 6 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 37/37 variables, and 24 constraints, problems are : Problem set: 6 solved, 10 unsolved in 317 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 6 solved, 10 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 1/1 constraints. Problems are: Problem set: 6 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/13 variables, 0/1 constraints. Problems are: Problem set: 6 solved, 10 unsolved
At refinement iteration 2 (OVERLAPS) 7/20 variables, 3/4 constraints. Problems are: Problem set: 6 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 6 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 17/37 variables, 20/24 constraints. Problems are: Problem set: 6 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/37 variables, 10/34 constraints. Problems are: Problem set: 6 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/37 variables, 0/34 constraints. Problems are: Problem set: 6 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 0/37 variables, 0/34 constraints. Problems are: Problem set: 6 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 37/37 variables, and 34 constraints, problems are : Problem set: 6 solved, 10 unsolved in 256 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 20/20 constraints, PredecessorRefiner: 10/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 581ms problems are : Problem set: 6 solved, 10 unsolved
Search for dead transitions found 6 dead transitions in 581ms
Found 6 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 6 transitions
Dead transitions reduction (with SMT) removed 6 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 20/21 places, 11/18 transitions.
Graph (complete) has 21 edges and 20 vertex of which 14 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 3 ms. Remains 14 /20 variables (removed 6) and now considering 11/11 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 14/21 places, 11/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 601 ms. Remains : 14/21 places, 11/18 transitions.
Built C files in :
/tmp/ltsmin9462497050025901117
[2025-06-04 11:19:13] [INFO ] Built C files in 16ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9462497050025901117
Running compilation step : cd /tmp/ltsmin9462497050025901117;'/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 379 ms.
Running link step : cd /tmp/ltsmin9462497050025901117;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 57 ms.
Running LTSmin : cd /tmp/ltsmin9462497050025901117;'/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/stateBased9889272175130746990.hoa' '--buchi-type=spotba'
LTSmin run took 4230 ms.
FORMULA ClientsAndServers-PT-N2000P0-LTLCardinality-02 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ClientsAndServers-PT-N2000P0-LTLCardinality-02 finished in 18525 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((X(X(p0))||(p1&&F(p2)))))'
Support contains 5 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 23 transition count 18
Applied a total of 1 rules in 1 ms. Remains 23 /24 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 23 cols
[2025-06-04 11:19:18] [INFO ] Computed 6 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:19:18] [INFO ] Implicit Places using invariants in 47 ms returned [14, 21]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 49 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 52 ms. Remains : 21/24 places, 18/18 transitions.
Stuttering acceptance computed with spot in 237 ms :[(AND (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Running random walk in product with property : ClientsAndServers-PT-N2000P0-LTLCardinality-03
Product exploration explored 100000 steps with 50000 reset in 60 ms.
Product exploration explored 100000 steps with 50000 reset in 59 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) p1), (X p2), (X (NOT (AND p1 (NOT p2)))), (X p1), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p0))), (X (X p1))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (AND p1 (NOT p2) (NOT p0)))), (X (X (NOT (AND p1 (NOT p2) (NOT p0)))))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 7 factoid took 46 ms. Reduced automaton from 5 states, 8 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ClientsAndServers-PT-N2000P0-LTLCardinality-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N2000P0-LTLCardinality-03 finished in 498 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(X(F((G(F((p0&&X(p0))))||((p1 U (p2||G(p1)))&&F((p0&&X(p0)))))))))))'
Support contains 4 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 22 transition count 18
Applied a total of 2 rules in 1 ms. Remains 22 /24 variables (removed 2) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 22 cols
[2025-06-04 11:19:18] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:19:18] [INFO ] Implicit Places using invariants in 51 ms returned [14, 20]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 53 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/24 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 55 ms. Remains : 20/24 places, 18/18 transitions.
Stuttering acceptance computed with spot in 445 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (AND (NOT p2) (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N2000P0-LTLCardinality-04
Product exploration explored 100000 steps with 1244 reset in 175 ms.
Stack based approach found an accepted trace after 7237 steps with 81 reset with depth 25 and stack size 25 in 50 ms.
FORMULA ClientsAndServers-PT-N2000P0-LTLCardinality-04 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N2000P0-LTLCardinality-04 finished in 788 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||G(p1)))))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 22 transition count 13
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 12 place count 17 transition count 13
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 12 place count 17 transition count 12
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 14 place count 16 transition count 12
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 2 with 4 rules applied. Total rules applied 18 place count 14 transition count 10
Applied a total of 18 rules in 6 ms. Remains 14 /24 variables (removed 10) and now considering 10/18 (removed 8) transitions.
// Phase 1: matrix 10 rows 14 cols
[2025-06-04 11:19:19] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:19:19] [INFO ] Implicit Places using invariants in 37 ms returned [9, 12]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 39 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 12/24 places, 10/18 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 12 transition count 8
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 10 transition count 8
Applied a total of 4 rules in 2 ms. Remains 10 /12 variables (removed 2) and now considering 8/10 (removed 2) transitions.
// Phase 1: matrix 8 rows 10 cols
[2025-06-04 11:19:19] [INFO ] Computed 3 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:19:19] [INFO ] Implicit Places using invariants in 31 ms returned []
[2025-06-04 11:19:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:19:19] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 10/24 places, 8/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 120 ms. Remains : 10/24 places, 8/18 transitions.
Stuttering acceptance computed with spot in 106 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : ClientsAndServers-PT-N2000P0-LTLCardinality-06
Product exploration explored 100000 steps with 3485 reset in 255 ms.
Stack based approach found an accepted trace after 2011 steps with 116 reset with depth 98 and stack size 98 in 7 ms.
FORMULA ClientsAndServers-PT-N2000P0-LTLCardinality-06 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N2000P0-LTLCardinality-06 finished in 539 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 1 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 22 transition count 12
Reduce places removed 6 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 7 rules applied. Total rules applied 15 place count 16 transition count 11
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 16 place count 15 transition count 11
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 24 place count 11 transition count 7
Applied a total of 24 rules in 4 ms. Remains 11 /24 variables (removed 13) and now considering 7/18 (removed 11) transitions.
// Phase 1: matrix 7 rows 11 cols
[2025-06-04 11:19:20] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:19:20] [INFO ] Implicit Places using invariants in 54 ms returned [7]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 56 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/24 places, 7/18 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 10 transition count 5
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 8 transition count 5
Applied a total of 4 rules in 1 ms. Remains 8 /10 variables (removed 2) and now considering 5/7 (removed 2) transitions.
// Phase 1: matrix 5 rows 8 cols
[2025-06-04 11:19:20] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:19:20] [INFO ] Implicit Places using invariants in 29 ms returned []
[2025-06-04 11:19:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:19:20] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 8/24 places, 5/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 134 ms. Remains : 8/24 places, 5/18 transitions.
Stuttering acceptance computed with spot in 92 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N2000P0-LTLCardinality-09
Product exploration explored 100000 steps with 8 reset in 134 ms.
Stack based approach found an accepted trace after 33 steps with 0 reset with depth 34 and stack size 34 in 0 ms.
FORMULA ClientsAndServers-PT-N2000P0-LTLCardinality-09 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N2000P0-LTLCardinality-09 finished in 375 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 23 transition count 12
Reduce places removed 6 places and 0 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 1 with 7 rules applied. Total rules applied 14 place count 16 transition count 12
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 14 place count 16 transition count 10
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 18 place count 14 transition count 10
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 24 place count 11 transition count 7
Applied a total of 24 rules in 4 ms. Remains 11 /24 variables (removed 13) and now considering 7/18 (removed 11) transitions.
// Phase 1: matrix 7 rows 11 cols
[2025-06-04 11:19:20] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:19:20] [INFO ] Implicit Places using invariants in 50 ms returned [7]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 53 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/24 places, 7/18 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 10 transition count 5
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 8 transition count 5
Applied a total of 4 rules in 2 ms. Remains 8 /10 variables (removed 2) and now considering 5/7 (removed 2) transitions.
// Phase 1: matrix 5 rows 8 cols
[2025-06-04 11:19:20] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:19:20] [INFO ] Implicit Places using invariants in 29 ms returned []
[2025-06-04 11:19:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:19:20] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 8/24 places, 5/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 126 ms. Remains : 8/24 places, 5/18 transitions.
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N2000P0-LTLCardinality-10
Product exploration explored 100000 steps with 0 reset in 137 ms.
Stack based approach found an accepted trace after 12 steps with 0 reset with depth 13 and stack size 13 in 0 ms.
FORMULA ClientsAndServers-PT-N2000P0-LTLCardinality-10 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N2000P0-LTLCardinality-10 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' '!((X(G(p0)) U (p1||G(p2))))'
Support contains 4 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 22 transition count 18
Applied a total of 2 rules in 2 ms. Remains 22 /24 variables (removed 2) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 22 cols
[2025-06-04 11:19:20] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:19:20] [INFO ] Implicit Places using invariants in 36 ms returned [14, 20]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 40 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/24 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 45 ms. Remains : 20/24 places, 18/18 transitions.
Stuttering acceptance computed with spot in 180 ms :[(AND (NOT p1) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p2)), true, (NOT p2)]
Running random walk in product with property : ClientsAndServers-PT-N2000P0-LTLCardinality-11
Entered a terminal (fully accepting) state of product in 211 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N2000P0-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N2000P0-LTLCardinality-11 finished in 251 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 22 transition count 14
Reduce places removed 4 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 5 rules applied. Total rules applied 11 place count 18 transition count 13
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 12 place count 17 transition count 13
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 12 place count 17 transition count 12
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 14 place count 16 transition count 12
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 3 with 1 rules applied. Total rules applied 15 place count 15 transition count 12
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 15 place count 15 transition count 11
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 17 place count 14 transition count 11
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 23 place count 11 transition count 8
Applied a total of 23 rules in 9 ms. Remains 11 /24 variables (removed 13) and now considering 8/18 (removed 10) transitions.
// Phase 1: matrix 8 rows 11 cols
[2025-06-04 11:19:21] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:19:21] [INFO ] Implicit Places using invariants in 34 ms returned [7, 10]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 35 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 9/24 places, 8/18 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 9 transition count 7
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 8 transition count 6
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 4 place count 7 transition count 6
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 7 transition count 5
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 6 transition count 5
Applied a total of 6 rules in 2 ms. Remains 6 /9 variables (removed 3) and now considering 5/8 (removed 3) transitions.
// Phase 1: matrix 5 rows 6 cols
[2025-06-04 11:19:21] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:19:21] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-04 11:19:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 11:19:21] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 6/24 places, 5/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 98 ms. Remains : 6/24 places, 5/18 transitions.
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N2000P0-LTLCardinality-15
Product exploration explored 100000 steps with 0 reset in 124 ms.
Stack based approach found an accepted trace after 70 steps with 0 reset with depth 71 and stack size 71 in 0 ms.
FORMULA ClientsAndServers-PT-N2000P0-LTLCardinality-15 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N2000P0-LTLCardinality-15 finished in 286 ms.
All properties solved by simple procedures.
Total runtime 28161 ms.
BK_STOP 1749035961477
--------------------
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="ClientsAndServers-PT-N2000P0"
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 ClientsAndServers-PT-N2000P0, 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-174853814200587"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ClientsAndServers-PT-N2000P0.tgz
mv ClientsAndServers-PT-N2000P0 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 '
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 ;