Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r254-tall-174931339500219.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 CopsAndRobbers-PT-HRL020X006, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r254-tall-174931339500219
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 668K
-rw-r--r-- 1 mcc users 9.5K Jun 6 08:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K Jun 6 08:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Jun 6 08:57 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Jun 6 08:57 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.5K Jun 6 11:51 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Jun 6 11:51 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Jun 6 11:51 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Jun 6 11:51 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 17K Jun 6 09:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 143K Jun 6 09:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Jun 6 08:59 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K Jun 6 08:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Jun 6 11:51 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Jun 6 11:51 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 11 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 195K Jun 5 20:08 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 CopsAndRobbers-PT-HRL020X006-LTLCardinality-00
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLCardinality-01
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLCardinality-02
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLCardinality-03
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLCardinality-04
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLCardinality-05
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLCardinality-06
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLCardinality-07
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLCardinality-08
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLCardinality-09
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLCardinality-10
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLCardinality-11
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLCardinality-12
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLCardinality-13
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLCardinality-14
FORMULA_NAME CopsAndRobbers-PT-HRL020X006-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1749342355983

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CopsAndRobbers-PT-HRL020X006
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-08 00:25:57] [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]
[2025-06-08 00:25:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-08 00:25:57] [INFO ] Load time of PNML (sax parser for PT used): 75 ms
[2025-06-08 00:25:57] [INFO ] Transformed 110 places.
[2025-06-08 00:25:57] [INFO ] Transformed 224 transitions.
[2025-06-08 00:25:57] [INFO ] Parsed PT model containing 110 places and 224 transitions and 1149 arcs in 161 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 48 out of 110 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 110/110 places, 224/224 transitions.
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 101 transition count 224
Applied a total of 9 rules in 34 ms. Remains 101 /110 variables (removed 9) and now considering 224/224 (removed 0) transitions.
Running 184 sub problems to find dead transitions.
// Phase 1: matrix 224 rows 101 cols
[2025-06-08 00:25:57] [INFO ] Computed 23 invariants in 12 ms
[2025-06-08 00:25:57] [INFO ] State equation strengthened by 60 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
Problem TDEAD108 is UNSAT
Problem TDEAD109 is UNSAT
Problem TDEAD110 is UNSAT
Problem TDEAD111 is UNSAT
Problem TDEAD116 is UNSAT
Problem TDEAD117 is UNSAT
Problem TDEAD118 is UNSAT
Problem TDEAD119 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD126 is UNSAT
Problem TDEAD127 is UNSAT
Problem TDEAD132 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD134 is UNSAT
Problem TDEAD135 is UNSAT
Problem TDEAD140 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD142 is UNSAT
Problem TDEAD143 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD149 is UNSAT
Problem TDEAD150 is UNSAT
Problem TDEAD151 is UNSAT
Problem TDEAD156 is UNSAT
Problem TDEAD157 is UNSAT
Problem TDEAD158 is UNSAT
Problem TDEAD159 is UNSAT
Problem TDEAD168 is UNSAT
Problem TDEAD169 is UNSAT
Problem TDEAD170 is UNSAT
Problem TDEAD171 is UNSAT
Problem TDEAD180 is UNSAT
Problem TDEAD181 is UNSAT
Problem TDEAD182 is UNSAT
Problem TDEAD183 is UNSAT
Problem TDEAD192 is UNSAT
Problem TDEAD193 is UNSAT
Problem TDEAD194 is UNSAT
Problem TDEAD195 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 20/20 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 1/21 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 224/314 variables, 90/113 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/314 variables, 60/173 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/314 variables, 0/173 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 8 (OVERLAPS) 11/325 variables, 11/184 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 0/184 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 10 (OVERLAPS) 0/325 variables, 0/184 constraints. Problems are: Problem set: 40 solved, 144 unsolved
No progress, stopping.
After SMT solving in domain Real declared 325/325 variables, and 184 constraints, problems are : Problem set: 40 solved, 144 unsolved in 17126 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 101/101 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 40 solved, 144 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 20/20 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 1/21 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 224/314 variables, 90/113 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/314 variables, 60/173 constraints. Problems are: Problem set: 40 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/314 variables, 89/262 constraints. Problems are: Problem set: 40 solved, 144 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 314/325 variables, and 262 constraints, problems are : Problem set: 40 solved, 144 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 90/101 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 89/184 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 37382ms problems are : Problem set: 40 solved, 144 unsolved
Search for dead transitions found 40 dead transitions in 37397ms
Found 40 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 40 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 40 transitions.
// Phase 1: matrix 184 rows 101 cols
[2025-06-08 00:26:34] [INFO ] Computed 23 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:26:34] [INFO ] Implicit Places using invariants in 73 ms returned []
[2025-06-08 00:26:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:26:35] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-08 00:26:35] [INFO ] Implicit Places using invariants and state equation in 176 ms returned []
Implicit Place search using SMT with State Equation took 254 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 101/110 places, 184/224 transitions.
Applied a total of 0 rules in 4 ms. Remains 101 /101 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 37729 ms. Remains : 101/110 places, 184/224 transitions.
Support contains 48 out of 101 places after structural reductions.
[2025-06-08 00:26:35] [INFO ] Flatten gal took : 32 ms
[2025-06-08 00:26:35] [INFO ] Flatten gal took : 15 ms
[2025-06-08 00:26:35] [INFO ] Input system was already deterministic with 184 transitions.
RANDOM walk for 40006 steps (61 resets) in 958 ms. (41 steps per ms) remains 7/37 properties
BEST_FIRST walk for 40004 steps (93 resets) in 205 ms. (194 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (67 resets) in 277 ms. (143 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (97 resets) in 225 ms. (177 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (91 resets) in 198 ms. (201 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (82 resets) in 165 ms. (240 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40001 steps (98 resets) in 143 ms. (277 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (88 resets) in 153 ms. (259 steps per ms) remains 7/7 properties
[2025-06-08 00:26:36] [INFO ] Invariant cache hit.
[2025-06-08 00:26:36] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem AtomicPropp0 is UNSAT
Problem AtomicPropp12 is UNSAT
Problem AtomicPropp13 is UNSAT
Problem AtomicPropp18 is UNSAT
Problem AtomicPropp28 is UNSAT
Problem AtomicPropp36 is UNSAT
At refinement iteration 1 (OVERLAPS) 21/31 variables, 6/6 constraints. Problems are: Problem set: 6 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/6 constraints. Problems are: Problem set: 6 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 15/46 variables, 15/21 constraints. Problems are: Problem set: 6 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/46 variables, 0/21 constraints. Problems are: Problem set: 6 solved, 1 unsolved
Problem AtomicPropp6 is UNSAT
After SMT solving in domain Real declared 52/285 variables, and 22 constraints, problems are : Problem set: 7 solved, 0 unsolved in 47 ms.
Refiners :[Positive P Invariants (semi-flows): 21/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/101 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 51ms problems are : Problem set: 7 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLCardinality-10 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 7 atomic propositions for a total of 14 simplifications.
Initial state reduction rules removed 2 formulas.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-HRL020X006-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 4 stabilizing places and 41 stable transitions
Graph (complete) has 703 edges and 101 vertex of which 90 are kept as prefixes of interest. Removing 11 places using SCC suffix rule.5 ms
FORMULA CopsAndRobbers-PT-HRL020X006-LTLCardinality-15 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' '!(X(X((p0 U (G(p0)||(p0&&G(p1)))))))'
Support contains 3 out of 101 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 101/101 places, 184/184 transitions.
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 92 transition count 184
Applied a total of 9 rules in 3 ms. Remains 92 /101 variables (removed 9) and now considering 184/184 (removed 0) transitions.
Running 144 sub problems to find dead transitions.
// Phase 1: matrix 184 rows 92 cols
[2025-06-08 00:26:36] [INFO ] Computed 23 invariants in 6 ms
[2025-06-08 00:26:36] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 8 (OVERLAPS) 2/276 variables, 2/155 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/276 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:26:52] [INFO ] Deduced a trap along path composed of 6 places in 40 ms of which 3 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/276 variables, 1/156 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/276 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 276/276 variables, and 156 constraints, problems are : Problem set: 0 solved, 144 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 92/92 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 134/287 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:27:10] [INFO ] Deduced a trap composed of 44 places in 84 ms of which 6 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/274 variables, 1/288 constraints. Problems are: Problem set: 0 solved, 144 unsolved
SMT process timed out in 40086ms, After SMT, problems are : Problem set: 0 solved, 144 unsolved
Search for dead transitions found 0 dead transitions in 40086ms
[2025-06-08 00:27:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:27:16] [INFO ] Implicit Places using invariants in 71 ms returned []
[2025-06-08 00:27:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:27:16] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-08 00:27:17] [INFO ] Implicit Places using invariants and state equation in 563 ms returned []
Implicit Place search using SMT with State Equation took 637 ms to find 0 implicit places.
Running 144 sub problems to find dead transitions.
[2025-06-08 00:27:17] [INFO ] Invariant cache hit.
[2025-06-08 00:27:17] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 8 (OVERLAPS) 2/276 variables, 2/155 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:27:27] [INFO ] Deduced a trap along path composed of 6 places in 37 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/276 variables, 1/156 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/276 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 11 (OVERLAPS) 0/276 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 144 unsolved
No progress, stopping.
After SMT solving in domain Real declared 276/276 variables, and 156 constraints, problems are : Problem set: 0 solved, 144 unsolved in 17152 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 92/92 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 134/287 constraints. Problems are: Problem set: 0 solved, 144 unsolved
SMT process timed out in 47208ms, After SMT, problems are : Problem set: 0 solved, 144 unsolved
Search for dead transitions found 0 dead transitions in 47211ms
Starting structural reductions in LTL mode, iteration 1 : 92/101 places, 184/184 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 87939 ms. Remains : 92/101 places, 184/184 transitions.
Stuttering acceptance computed with spot in 326 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0), (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-HRL020X006-LTLCardinality-02
Entered a terminal (fully accepting) state of product in 15292 steps with 240 reset in 81 ms.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL020X006-LTLCardinality-02 finished in 88410 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||X(p1)))))'
Support contains 4 out of 101 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 101/101 places, 184/184 transitions.
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 91 transition count 184
Applied a total of 10 rules in 3 ms. Remains 91 /101 variables (removed 10) and now considering 184/184 (removed 0) transitions.
Running 144 sub problems to find dead transitions.
// Phase 1: matrix 184 rows 91 cols
[2025-06-08 00:28:05] [INFO ] Computed 23 invariants in 2 ms
[2025-06-08 00:28:05] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 8 (OVERLAPS) 1/275 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/275 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:28:21] [INFO ] Deduced a trap along path composed of 6 places in 36 ms of which 1 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/275 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 144 unsolved
(t73 0.0timeout
^^^^^^^^^^
(error "Invalid token: 0.0timeout")
Error getting values : (error "ParserException while parsing response: ((t0 1.0)
(t1 21.0)
(t2 22.0)
(t3 22.0)
(t4 0.0)
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(t16 0.0)
(t17 1.0)
(t18 0.0)
(t19 0.0)
(t20 0.0)
(t21 0.0)
(t22 0.0)
(t23 0.0)
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(t25 0.0)
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(t28 0.0)
(t29 0.0)
(t30 0.0)
(t31 0.0)
(t32 0.0)
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(t34 0.0)
(t35 0.0)
(t36 0.0)
(t37 0.0)
(t38 0.0)
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(t40 0.0)
(t41 0.0)
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(t44 0.0)
(t45 0.0)
(t46 0.0)
(t47 0.0)
(t48 0.0)
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(t50 0.0)
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(t60 0.0)
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)
(t74 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 275/275 variables, and 155 constraints, problems are : Problem set: 0 solved, 144 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 91/91 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 139/292 constraints. Problems are: Problem set: 0 solved, 144 unsolved
SMT process timed out in 40070ms, After SMT, problems are : Problem set: 0 solved, 144 unsolved
Search for dead transitions found 0 dead transitions in 40070ms
[2025-06-08 00:28:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:28:45] [INFO ] Implicit Places using invariants in 65 ms returned []
[2025-06-08 00:28:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:28:45] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-08 00:28:45] [INFO ] Implicit Places using invariants and state equation in 523 ms returned []
Implicit Place search using SMT with State Equation took 590 ms to find 0 implicit places.
Running 144 sub problems to find dead transitions.
[2025-06-08 00:28:45] [INFO ] Invariant cache hit.
[2025-06-08 00:28:45] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 8 (OVERLAPS) 1/275 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:28:56] [INFO ] Deduced a trap along path composed of 6 places in 39 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/275 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/275 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 11 (OVERLAPS) 0/275 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 144 unsolved
No progress, stopping.
After SMT solving in domain Real declared 275/275 variables, and 155 constraints, problems are : Problem set: 0 solved, 144 unsolved in 19144 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 91/91 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 139/292 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/274 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 274/275 variables, and 293 constraints, problems are : Problem set: 0 solved, 144 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 90/91 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 139/144 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 49194ms problems are : Problem set: 0 solved, 144 unsolved
Search for dead transitions found 0 dead transitions in 49195ms
Starting structural reductions in LTL mode, iteration 1 : 91/101 places, 184/184 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 89860 ms. Remains : 91/101 places, 184/184 transitions.
Stuttering acceptance computed with spot in 145 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CopsAndRobbers-PT-HRL020X006-LTLCardinality-03
Entered a terminal (fully accepting) state of product in 149 steps with 4 reset in 1 ms.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL020X006-LTLCardinality-03 finished in 90024 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 101 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 101/101 places, 184/184 transitions.
Graph (complete) has 703 edges and 101 vertex of which 90 are kept as prefixes of interest. Removing 11 places using SCC suffix rule.2 ms
Discarding 11 places :
Also discarding 0 output transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 90 transition count 183
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 89 transition count 183
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 88 transition count 182
Applied a total of 5 rules in 26 ms. Remains 88 /101 variables (removed 13) and now considering 182/184 (removed 2) transitions.
Running 142 sub problems to find dead transitions.
// Phase 1: matrix 182 rows 88 cols
[2025-06-08 00:29:35] [INFO ] Computed 23 invariants in 1 ms
[2025-06-08 00:29:35] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (OVERLAPS) 182/270 variables, 88/111 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 40/151 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:29:40] [INFO ] Deduced a trap composed of 43 places in 51 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:29:47] [INFO ] Deduced a trap along path composed of 5 places in 35 ms of which 0 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/270 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/270 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 270/270 variables, and 153 constraints, problems are : Problem set: 0 solved, 142 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 88/88 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 142/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (OVERLAPS) 2/88 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (OVERLAPS) 182/270 variables, 88/112 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 40/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 142/294 constraints. Problems are: Problem set: 0 solved, 142 unsolved
SMT process timed out in 40083ms, After SMT, problems are : Problem set: 0 solved, 142 unsolved
Search for dead transitions found 0 dead transitions in 40083ms
[2025-06-08 00:30:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:30:15] [INFO ] Implicit Places using invariants in 72 ms returned []
[2025-06-08 00:30:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:30:15] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-08 00:30:15] [INFO ] Implicit Places using invariants and state equation in 342 ms returned []
Implicit Place search using SMT with State Equation took 416 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:30:15] [INFO ] Redundant transitions in 12 ms returned []
Running 142 sub problems to find dead transitions.
[2025-06-08 00:30:15] [INFO ] Invariant cache hit.
[2025-06-08 00:30:15] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (OVERLAPS) 182/270 variables, 88/111 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 40/151 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:30:20] [INFO ] Deduced a trap composed of 43 places in 60 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:30:28] [INFO ] Deduced a trap along path composed of 5 places in 36 ms of which 0 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/270 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/270 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:30:35] [INFO ] Deduced a trap along path composed of 5 places in 35 ms of which 1 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/270 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/270 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:30:42] [INFO ] Deduced a trap composed of 44 places in 57 ms of which 3 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/270 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 270/270 variables, and 155 constraints, problems are : Problem set: 0 solved, 142 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 88/88 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 142/142 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (OVERLAPS) 2/88 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 7 (OVERLAPS) 182/270 variables, 88/113 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/270 variables, 142/295 constraints. Problems are: Problem set: 0 solved, 142 unsolved
SMT process timed out in 60074ms, After SMT, problems are : Problem set: 0 solved, 142 unsolved
Search for dead transitions found 0 dead transitions in 60075ms
Starting structural reductions in SI_LTL mode, iteration 1 : 88/101 places, 182/184 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 100616 ms. Remains : 88/101 places, 182/184 transitions.
Stuttering acceptance computed with spot in 48 ms :[(NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-HRL020X006-LTLCardinality-04
Stuttering criterion allowed to conclude after 16420 steps with 271 reset in 54 ms.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL020X006-LTLCardinality-04 finished in 100731 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G(!p0)))'
Support contains 2 out of 101 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 101/101 places, 184/184 transitions.
Graph (complete) has 703 edges and 101 vertex of which 91 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.3 ms
Discarding 10 places :
Also discarding 0 output transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 91 transition count 183
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 90 transition count 183
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 89 transition count 182
Applied a total of 5 rules in 16 ms. Remains 89 /101 variables (removed 12) and now considering 182/184 (removed 2) transitions.
Running 142 sub problems to find dead transitions.
// Phase 1: matrix 182 rows 89 cols
[2025-06-08 00:31:15] [INFO ] Computed 23 invariants in 4 ms
[2025-06-08 00:31:15] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (OVERLAPS) 182/270 variables, 88/111 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 40/151 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:31:20] [INFO ] Deduced a trap composed of 43 places in 64 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 9 (OVERLAPS) 1/271 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:31:30] [INFO ] Deduced a trap composed of 47 places in 55 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/271 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/271 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 271/271 variables, and 154 constraints, problems are : Problem set: 0 solved, 142 unsolved in 20015 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 142/142 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (OVERLAPS) 2/88 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (OVERLAPS) 182/270 variables, 88/112 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 40/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 137/289 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 270/271 variables, and 289 constraints, problems are : Problem set: 0 solved, 142 unsolved in 20019 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 88/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 137/142 constraints, Known Traps: 1/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40080ms problems are : Problem set: 0 solved, 142 unsolved
Search for dead transitions found 0 dead transitions in 40081ms
[2025-06-08 00:31:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:31:55] [INFO ] Implicit Places using invariants in 68 ms returned []
[2025-06-08 00:31:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:31:55] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-08 00:31:56] [INFO ] Implicit Places using invariants and state equation in 537 ms returned []
Implicit Place search using SMT with State Equation took 605 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:31:56] [INFO ] Redundant transitions in 6 ms returned []
Running 142 sub problems to find dead transitions.
[2025-06-08 00:31:56] [INFO ] Invariant cache hit.
[2025-06-08 00:31:56] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (OVERLAPS) 182/270 variables, 88/111 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 40/151 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:32:01] [INFO ] Deduced a trap along path composed of 5 places in 37 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 9 (OVERLAPS) 1/271 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/271 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 11 (OVERLAPS) 0/271 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 153 constraints, problems are : Problem set: 0 solved, 142 unsolved in 20358 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 142/142 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (OVERLAPS) 182/270 variables, 88/111 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 40/151 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 137/288 constraints. Problems are: Problem set: 0 solved, 142 unsolved
SMT process timed out in 50422ms, After SMT, problems are : Problem set: 0 solved, 142 unsolved
Search for dead transitions found 0 dead transitions in 50423ms
Starting structural reductions in SI_LTL mode, iteration 1 : 89/101 places, 182/184 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 91140 ms. Remains : 89/101 places, 182/184 transitions.
Stuttering acceptance computed with spot in 72 ms :[p0, true, p0]
Running random walk in product with property : CopsAndRobbers-PT-HRL020X006-LTLCardinality-05
Stuttering criterion allowed to conclude after 105 steps with 0 reset in 1 ms.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL020X006-LTLCardinality-05 finished in 91232 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U p1) U X((p2&&F(p3)))))'
Support contains 5 out of 101 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 101/101 places, 184/184 transitions.
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 11 place count 90 transition count 184
Applied a total of 11 rules in 4 ms. Remains 90 /101 variables (removed 11) and now considering 184/184 (removed 0) transitions.
Running 144 sub problems to find dead transitions.
// Phase 1: matrix 184 rows 90 cols
[2025-06-08 00:32:46] [INFO ] Computed 23 invariants in 1 ms
[2025-06-08 00:32:46] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 8 (OVERLAPS) 0/274 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
No progress, stopping.
After SMT solving in domain Real declared 274/274 variables, and 153 constraints, problems are : Problem set: 0 solved, 144 unsolved in 13539 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 90/90 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 144/297 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 274/274 variables, and 297 constraints, problems are : Problem set: 0 solved, 144 unsolved in 20007 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 90/90 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 33589ms problems are : Problem set: 0 solved, 144 unsolved
Search for dead transitions found 0 dead transitions in 33590ms
[2025-06-08 00:33:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:33:20] [INFO ] Implicit Places using invariants in 64 ms returned []
[2025-06-08 00:33:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:33:20] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-08 00:33:21] [INFO ] Implicit Places using invariants and state equation in 497 ms returned []
Implicit Place search using SMT with State Equation took 563 ms to find 0 implicit places.
Running 144 sub problems to find dead transitions.
[2025-06-08 00:33:21] [INFO ] Invariant cache hit.
[2025-06-08 00:33:21] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:33:30] [INFO ] Deduced a trap along path composed of 6 places in 35 ms of which 0 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/274 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/274 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 10 (OVERLAPS) 0/274 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 144 unsolved
No progress, stopping.
After SMT solving in domain Real declared 274/274 variables, and 154 constraints, problems are : Problem set: 0 solved, 144 unsolved in 18183 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 90/90 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 144/297 constraints. Problems are: Problem set: 0 solved, 144 unsolved
SMT process timed out in 48227ms, After SMT, problems are : Problem set: 0 solved, 144 unsolved
Search for dead transitions found 0 dead transitions in 48228ms
Starting structural reductions in LTL mode, iteration 1 : 90/101 places, 184/184 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 82387 ms. Remains : 90/101 places, 184/184 transitions.
Stuttering acceptance computed with spot in 346 ms :[(OR (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), (OR (AND p0 (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2))), (OR (NOT p2) (NOT p3)), true, (NOT p3), (NOT p1), (AND (NOT p1) p0 (NOT p3))]
Running random walk in product with property : CopsAndRobbers-PT-HRL020X006-LTLCardinality-07
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL020X006-LTLCardinality-07 finished in 82753 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 101 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 101/101 places, 184/184 transitions.
Graph (complete) has 703 edges and 101 vertex of which 90 are kept as prefixes of interest. Removing 11 places using SCC suffix rule.1 ms
Discarding 11 places :
Also discarding 0 output transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 90 transition count 183
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 89 transition count 183
Applied a total of 3 rules in 25 ms. Remains 89 /101 variables (removed 12) and now considering 183/184 (removed 1) transitions.
Running 143 sub problems to find dead transitions.
// Phase 1: matrix 183 rows 89 cols
[2025-06-08 00:34:09] [INFO ] Computed 23 invariants in 2 ms
[2025-06-08 00:34:09] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 3 (OVERLAPS) 2/89 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 5 (OVERLAPS) 183/272 variables, 89/112 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 40/152 constraints. Problems are: Problem set: 0 solved, 143 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:34:12] [INFO ] Deduced a trap composed of 44 places in 52 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/272 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 9 (OVERLAPS) 0/272 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
No progress, stopping.
After SMT solving in domain Real declared 272/272 variables, and 153 constraints, problems are : Problem set: 0 solved, 143 unsolved in 14769 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 143/143 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 143 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 4 (OVERLAPS) 2/89 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/89 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 6 (OVERLAPS) 183/272 variables, 89/113 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/272 variables, 143/296 constraints. Problems are: Problem set: 0 solved, 143 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 272/272 variables, and 296 constraints, problems are : Problem set: 0 solved, 143 unsolved in 20011 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 143/143 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 34825ms problems are : Problem set: 0 solved, 143 unsolved
Search for dead transitions found 0 dead transitions in 34827ms
[2025-06-08 00:34:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:34:44] [INFO ] Implicit Places using invariants in 62 ms returned []
[2025-06-08 00:34:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:34:44] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-08 00:34:44] [INFO ] Implicit Places using invariants and state equation in 324 ms returned []
Implicit Place search using SMT with State Equation took 389 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:34:44] [INFO ] Redundant transitions in 4 ms returned []
Running 143 sub problems to find dead transitions.
[2025-06-08 00:34:44] [INFO ] Invariant cache hit.
[2025-06-08 00:34:44] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 3 (OVERLAPS) 2/89 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 5 (OVERLAPS) 183/272 variables, 89/112 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 40/152 constraints. Problems are: Problem set: 0 solved, 143 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:34:48] [INFO ] Deduced a trap composed of 44 places in 47 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/272 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 9 (OVERLAPS) 0/272 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
No progress, stopping.
After SMT solving in domain Real declared 272/272 variables, and 153 constraints, problems are : Problem set: 0 solved, 143 unsolved in 14800 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 143/143 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 143 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 4 (OVERLAPS) 2/89 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/89 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 6 (OVERLAPS) 183/272 variables, 89/113 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/272 variables, 143/296 constraints. Problems are: Problem set: 0 solved, 143 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 272/272 variables, and 296 constraints, problems are : Problem set: 0 solved, 143 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 143/143 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44854ms problems are : Problem set: 0 solved, 143 unsolved
Search for dead transitions found 0 dead transitions in 44854ms
Starting structural reductions in SI_LTL mode, iteration 1 : 89/101 places, 183/184 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 80105 ms. Remains : 89/101 places, 183/184 transitions.
Stuttering acceptance computed with spot in 54 ms :[(NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-HRL020X006-LTLCardinality-08
Stuttering criterion allowed to conclude after 14 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL020X006-LTLCardinality-08 finished in 80170 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)||(p1&&F(p2))))'
Support contains 3 out of 101 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 101/101 places, 184/184 transitions.
Graph (complete) has 703 edges and 101 vertex of which 91 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.2 ms
Discarding 10 places :
Also discarding 0 output transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 91 transition count 183
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 90 transition count 183
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 89 transition count 182
Applied a total of 5 rules in 16 ms. Remains 89 /101 variables (removed 12) and now considering 182/184 (removed 2) transitions.
Running 142 sub problems to find dead transitions.
// Phase 1: matrix 182 rows 89 cols
[2025-06-08 00:35:29] [INFO ] Computed 23 invariants in 2 ms
[2025-06-08 00:35:29] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (OVERLAPS) 182/270 variables, 88/111 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 40/151 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:35:35] [INFO ] Deduced a trap composed of 44 places in 54 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 9 (OVERLAPS) 1/271 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:35:44] [INFO ] Deduced a trap along path composed of 5 places in 38 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:35:44] [INFO ] Deduced a trap along path composed of 5 places in 31 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/271 variables, 2/155 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/271 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 271/271 variables, and 155 constraints, problems are : Problem set: 0 solved, 142 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 142/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (OVERLAPS) 182/270 variables, 88/112 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 40/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 137/289 constraints. Problems are: Problem set: 0 solved, 142 unsolved
SMT process timed out in 40071ms, After SMT, problems are : Problem set: 0 solved, 142 unsolved
Search for dead transitions found 0 dead transitions in 40072ms
[2025-06-08 00:36:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:36:10] [INFO ] Implicit Places using invariants in 61 ms returned []
[2025-06-08 00:36:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:36:10] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-08 00:36:10] [INFO ] Implicit Places using invariants and state equation in 337 ms returned []
Implicit Place search using SMT with State Equation took 399 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:36:10] [INFO ] Redundant transitions in 4 ms returned []
Running 142 sub problems to find dead transitions.
[2025-06-08 00:36:10] [INFO ] Invariant cache hit.
[2025-06-08 00:36:10] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (OVERLAPS) 182/270 variables, 88/111 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 40/151 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:36:15] [INFO ] Deduced a trap along path composed of 5 places in 36 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:36:18] [INFO ] Deduced a trap along path composed of 5 places in 41 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/270 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 10 (OVERLAPS) 1/271 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/271 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 12 (OVERLAPS) 0/271 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 154 constraints, problems are : Problem set: 0 solved, 142 unsolved in 22840 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 142/142 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (OVERLAPS) 182/270 variables, 88/111 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 40/151 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 270/271 variables, and 288 constraints, problems are : Problem set: 0 solved, 142 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 88/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 137/142 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/2 constraints]
After SMT, in 52929ms problems are : Problem set: 0 solved, 142 unsolved
Search for dead transitions found 0 dead transitions in 52930ms
Starting structural reductions in SI_LTL mode, iteration 1 : 89/101 places, 182/184 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 93431 ms. Remains : 89/101 places, 182/184 transitions.
Stuttering acceptance computed with spot in 175 ms :[(AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : CopsAndRobbers-PT-HRL020X006-LTLCardinality-09
Product exploration explored 100000 steps with 3050 reset in 265 ms.
Product exploration explored 100000 steps with 3041 reset in 352 ms.
Computed a total of 4 stabilizing places and 41 stable transitions
Graph (complete) has 671 edges and 89 vertex of which 88 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Computed a total of 4 stabilizing places and 41 stable transitions
Knowledge obtained : [(AND p1 (NOT p2) p0), (X (NOT p2)), (X (AND p1 (NOT p2))), (X (NOT (AND (NOT p1) (NOT p2)))), (X p0), (X p1), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND p0 (NOT p2)))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 109 ms. Reduced automaton from 4 states, 8 edges and 3 AP (stutter insensitive) to 7 states, 18 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 264 ms :[(AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), false, false, false, false]
Reduction of identical properties reduced properties to check from 12 to 11
RANDOM walk for 40002 steps (56 resets) in 105 ms. (377 steps per ms) remains 2/11 properties
BEST_FIRST walk for 40002 steps (79 resets) in 129 ms. (307 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (90 resets) in 72 ms. (547 steps per ms) remains 2/2 properties
[2025-06-08 00:37:04] [INFO ] Invariant cache hit.
[2025-06-08 00:37:04] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem apf3 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/8 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 21/29 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/29 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 21/50 variables, 21/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/50 variables, 0/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 145/195 variables, 50/73 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/195 variables, 3/76 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/195 variables, 0/76 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 76/271 variables, 39/115 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/271 variables, 37/152 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/271 variables, 0/152 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/271 variables, 0/152 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 152 constraints, problems are : Problem set: 1 solved, 1 unsolved in 87 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/8 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 115/123 variables, 9/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/123 variables, 0/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/125 variables, 1/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/125 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 21/146 variables, 1/13 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/146 variables, 0/13 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 21/167 variables, 21/34 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/167 variables, 1/35 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 0/35 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 104/271 variables, 78/113 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/271 variables, 40/153 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/271 variables, 0/153 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/271 variables, 0/153 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 271/271 variables, and 153 constraints, problems are : Problem set: 1 solved, 1 unsolved in 103 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 194ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 4777 steps, including 252 resets, run visited all 1 properties in 13 ms. (steps per millisecond=367 )
Parikh walk visited 1 properties in 15 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 (NOT p2) p0), (X (NOT p2)), (X (AND p1 (NOT p2))), (X (NOT (AND (NOT p1) (NOT p2)))), (X p0), (X p1), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND p0 (NOT p2)))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p0)), (X (X p1)), (G (OR p1 (NOT p2) (NOT p0)))]
False Knowledge obtained : [(F (NOT (AND (NOT p2) p0))), (F (NOT (OR p1 p2))), (F (NOT (OR p1 (NOT p2) p0))), (F (NOT (OR (NOT p1) (NOT p2) p0))), (F (NOT (AND p1 (NOT p2)))), (F (NOT (OR p2 p0))), (F (NOT (OR p1 p2))), (F (NOT (OR (NOT p1) (NOT p2) (NOT p0)))), (F p2), (F (NOT p1)), (F (NOT p0))]
Knowledge based reduction with 14 factoid took 497 ms. Reduced automaton from 7 states, 18 edges and 3 AP (stutter insensitive) to 7 states, 18 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 284 ms :[(AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), false, false, false, false]
Stuttering acceptance computed with spot in 289 ms :[(AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), false, false, false, false]
Support contains 3 out of 89 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 89/89 places, 182/182 transitions.
Applied a total of 0 rules in 12 ms. Remains 89 /89 variables (removed 0) and now considering 182/182 (removed 0) transitions.
Running 142 sub problems to find dead transitions.
[2025-06-08 00:37:05] [INFO ] Invariant cache hit.
[2025-06-08 00:37:05] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (OVERLAPS) 182/270 variables, 88/111 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 40/151 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:37:11] [INFO ] Deduced a trap along path composed of 5 places in 34 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:37:14] [INFO ] Deduced a trap along path composed of 5 places in 34 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/270 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 10 (OVERLAPS) 1/271 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/271 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 12 (OVERLAPS) 0/271 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 154 constraints, problems are : Problem set: 0 solved, 142 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 142/142 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (OVERLAPS) 182/270 variables, 88/111 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 40/151 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 137/288 constraints. Problems are: Problem set: 0 solved, 142 unsolved
SMT process timed out in 40076ms, After SMT, problems are : Problem set: 0 solved, 142 unsolved
Search for dead transitions found 0 dead transitions in 40077ms
[2025-06-08 00:37:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:37:46] [INFO ] Implicit Places using invariants in 65 ms returned []
[2025-06-08 00:37:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:37:46] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-08 00:37:46] [INFO ] Implicit Places using invariants and state equation in 309 ms returned []
Implicit Place search using SMT with State Equation took 375 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:37:46] [INFO ] Redundant transitions in 2 ms returned []
Running 142 sub problems to find dead transitions.
[2025-06-08 00:37:46] [INFO ] Invariant cache hit.
[2025-06-08 00:37:46] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (OVERLAPS) 182/270 variables, 88/111 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 40/151 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:37:51] [INFO ] Deduced a trap along path composed of 5 places in 39 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:37:54] [INFO ] Deduced a trap along path composed of 5 places in 36 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/270 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 10 (OVERLAPS) 1/271 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/271 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 12 (OVERLAPS) 0/271 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 154 constraints, problems are : Problem set: 0 solved, 142 unsolved in 22603 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 142/142 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (OVERLAPS) 182/270 variables, 88/111 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 40/151 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 270/271 variables, and 288 constraints, problems are : Problem set: 0 solved, 142 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 88/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 137/142 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/2 constraints]
After SMT, in 52689ms problems are : Problem set: 0 solved, 142 unsolved
Search for dead transitions found 0 dead transitions in 52690ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 93166 ms. Remains : 89/89 places, 182/182 transitions.
Computed a total of 4 stabilizing places and 41 stable transitions
Graph (complete) has 671 edges and 89 vertex of which 88 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 4 stabilizing places and 41 stable transitions
Knowledge obtained : [(AND p1 (NOT p2) p0), (X (NOT p2)), (X (NOT (AND p1 p2 p0))), (X (NOT (AND (NOT p1) p2 p0))), (X (NOT (AND (NOT p2) (NOT p0)))), (X (NOT (AND p1 p2 (NOT p0)))), (X (AND p1 (NOT p2))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (AND (NOT p2) p0)), (X (NOT (AND (NOT p1) p2 (NOT p0)))), (X p0), (X p1), (X (X (NOT p2))), (X (X (NOT (AND p1 p2 p0)))), (X (X (NOT (AND (NOT p1) p2 p0)))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND p1 p2 (NOT p0))))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (AND (NOT p2) p0))), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 23 factoid took 121 ms. Reduced automaton from 7 states, 18 edges and 3 AP (stutter insensitive) to 7 states, 18 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 297 ms :[(AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), false, false, false, false]
Reduction of identical properties reduced properties to check from 12 to 11
RANDOM walk for 40004 steps (66 resets) in 113 ms. (350 steps per ms) remains 2/11 properties
BEST_FIRST walk for 40003 steps (98 resets) in 74 ms. (533 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (100 resets) in 85 ms. (465 steps per ms) remains 2/2 properties
[2025-06-08 00:38:39] [INFO ] Invariant cache hit.
[2025-06-08 00:38:39] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem apf3 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/8 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 21/29 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/29 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 21/50 variables, 21/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/50 variables, 0/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 145/195 variables, 50/73 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/195 variables, 3/76 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/195 variables, 0/76 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 76/271 variables, 39/115 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/271 variables, 37/152 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/271 variables, 0/152 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/271 variables, 0/152 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 152 constraints, problems are : Problem set: 1 solved, 1 unsolved in 85 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/8 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 115/123 variables, 9/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/123 variables, 0/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/125 variables, 1/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/125 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 21/146 variables, 1/13 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/146 variables, 0/13 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 21/167 variables, 21/34 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/167 variables, 1/35 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 0/35 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 104/271 variables, 78/113 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/271 variables, 40/153 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/271 variables, 0/153 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/271 variables, 0/153 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 271/271 variables, and 153 constraints, problems are : Problem set: 1 solved, 1 unsolved in 100 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 189ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 15 ms.
Support contains 2 out of 89 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 182/182 transitions.
Applied a total of 0 rules in 5 ms. Remains 89 /89 variables (removed 0) and now considering 182/182 (removed 0) transitions.
Running 142 sub problems to find dead transitions.
[2025-06-08 00:38:39] [INFO ] Invariant cache hit.
[2025-06-08 00:38:39] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (OVERLAPS) 182/270 variables, 88/111 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 40/151 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:38:44] [INFO ] Deduced a trap along path composed of 5 places in 30 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:38:47] [INFO ] Deduced a trap along path composed of 5 places in 35 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/270 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 10 (OVERLAPS) 1/271 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/271 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 12 (OVERLAPS) 0/271 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 154 constraints, problems are : Problem set: 0 solved, 142 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 142/142 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (OVERLAPS) 182/270 variables, 88/111 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 40/151 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 137/288 constraints. Problems are: Problem set: 0 solved, 142 unsolved
SMT process timed out in 40084ms, After SMT, problems are : Problem set: 0 solved, 142 unsolved
Search for dead transitions found 0 dead transitions in 40085ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40090 ms. Remains : 89/89 places, 182/182 transitions.
RANDOM walk for 40003 steps (85 resets) in 69 ms. (571 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (95 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1850147 steps, run timeout after 3001 ms. (steps per millisecond=616 ) properties seen :0 out of 1
Probabilistic random walk after 1850147 steps, saw 498909 distinct states, run finished after 3006 ms. (steps per millisecond=615 ) properties seen :0
[2025-06-08 00:39:22] [INFO ] Invariant cache hit.
[2025-06-08 00:39:22] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 115/123 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/123 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/125 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/125 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 21/146 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/146 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 21/167 variables, 21/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/167 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 104/271 variables, 78/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/271 variables, 40/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/271 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/271 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 152 constraints, problems are : Problem set: 0 solved, 1 unsolved in 83 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 115/123 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/123 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/125 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/125 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 21/146 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/146 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 21/167 variables, 21/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/167 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 104/271 variables, 78/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/271 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/271 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/271 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 271/271 variables, and 153 constraints, problems are : Problem set: 0 solved, 1 unsolved in 106 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 194ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 16 ms.
Support contains 2 out of 89 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 182/182 transitions.
Applied a total of 0 rules in 5 ms. Remains 89 /89 variables (removed 0) and now considering 182/182 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 89/89 places, 182/182 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 182/182 transitions.
Applied a total of 0 rules in 6 ms. Remains 89 /89 variables (removed 0) and now considering 182/182 (removed 0) transitions.
[2025-06-08 00:39:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:39:23] [INFO ] Implicit Places using invariants in 61 ms returned []
[2025-06-08 00:39:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:39:23] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-08 00:39:23] [INFO ] Implicit Places using invariants and state equation in 563 ms returned []
Implicit Place search using SMT with State Equation took 624 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:39:23] [INFO ] Redundant transitions in 1 ms returned []
Running 142 sub problems to find dead transitions.
[2025-06-08 00:39:23] [INFO ] Invariant cache hit.
[2025-06-08 00:39:23] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (OVERLAPS) 182/270 variables, 88/111 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 40/151 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:39:28] [INFO ] Deduced a trap along path composed of 5 places in 34 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:39:31] [INFO ] Deduced a trap along path composed of 5 places in 34 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/270 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 10 (OVERLAPS) 1/271 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/271 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 12 (OVERLAPS) 0/271 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 154 constraints, problems are : Problem set: 0 solved, 142 unsolved in 22658 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 142/142 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (OVERLAPS) 182/270 variables, 88/111 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 40/151 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 137/288 constraints. Problems are: Problem set: 0 solved, 142 unsolved
SMT process timed out in 52715ms, After SMT, problems are : Problem set: 0 solved, 142 unsolved
Search for dead transitions found 0 dead transitions in 52715ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53357 ms. Remains : 89/89 places, 182/182 transitions.
Attempting over-approximation, by ignoring read arcs.
Drop transitions (Empty/Sink Transition effects.) removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 0 with 37 rules applied. Total rules applied 37 place count 89 transition count 145
Applied a total of 37 rules in 10 ms. Remains 89 /89 variables (removed 0) and now considering 145/182 (removed 37) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 145 rows 89 cols
[2025-06-08 00:40:16] [INFO ] Computed 23 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-08 00:40:16] [INFO ] [Real]Absence check using 22 positive place invariants in 2 ms returned sat
[2025-06-08 00:40:16] [INFO ] [Real]Absence check using 22 positive and 1 generalized place invariants in 0 ms returned sat
[2025-06-08 00:40:16] [INFO ] After 69ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-08 00:40:16] [INFO ] [Nat]Absence check using 22 positive place invariants in 3 ms returned sat
[2025-06-08 00:40:16] [INFO ] [Nat]Absence check using 22 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-08 00:40:16] [INFO ] After 31ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-08 00:40:16] [INFO ] After 39ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-08 00:40:16] [INFO ] After 77ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 164 ms.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 (NOT p2) p0), (X (NOT p2)), (X (NOT (AND p1 p2 p0))), (X (NOT (AND (NOT p1) p2 p0))), (X (NOT (AND (NOT p2) (NOT p0)))), (X (NOT (AND p1 p2 (NOT p0)))), (X (AND p1 (NOT p2))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (AND (NOT p2) p0)), (X (NOT (AND (NOT p1) p2 (NOT p0)))), (X p0), (X p1), (X (X (NOT p2))), (X (X (NOT (AND p1 p2 p0)))), (X (X (NOT (AND (NOT p1) p2 p0)))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND p1 p2 (NOT p0))))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (AND (NOT p2) p0))), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X p0)), (X (X p1)), (G (OR p1 (NOT p2) (NOT p0)))]
False Knowledge obtained : [(F (NOT (OR (NOT p1) (NOT p2) p0))), (F (NOT (AND p1 (NOT p2)))), (F (NOT (OR p2 p0))), (F (NOT (OR p1 p2))), (F (NOT (OR (NOT p1) (NOT p2) (NOT p0)))), (F p2), (F (NOT p1)), (F (NOT (AND (NOT p2) p0))), (F (NOT p0)), (F (NOT (OR p1 p2)))]
Knowledge based reduction with 24 factoid took 432 ms. Reduced automaton from 7 states, 18 edges and 3 AP (stutter insensitive) to 7 states, 18 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 284 ms :[(AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), false, false, false, false]
Stuttering acceptance computed with spot in 310 ms :[(AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), false, false, false, false]
Stuttering acceptance computed with spot in 267 ms :[(AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p2) (NOT p0)), false, false, false, false]
Stuttering criterion allowed to conclude after 14018 steps with 424 reset in 38 ms.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL020X006-LTLCardinality-09 finished in 288162 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((F(p0)||(G(p1) U X(p2))))))'
Support contains 6 out of 101 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 101/101 places, 184/184 transitions.
Graph (complete) has 703 edges and 101 vertex of which 91 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.1 ms
Discarding 10 places :
Also discarding 0 output transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 90 transition count 183
Applied a total of 3 rules in 9 ms. Remains 90 /101 variables (removed 11) and now considering 183/184 (removed 1) transitions.
Running 143 sub problems to find dead transitions.
// Phase 1: matrix 183 rows 90 cols
[2025-06-08 00:40:18] [INFO ] Computed 23 invariants in 4 ms
[2025-06-08 00:40:18] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 3 (OVERLAPS) 2/89 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 5 (OVERLAPS) 183/272 variables, 89/112 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 40/152 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 8 (OVERLAPS) 1/273 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/273 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 273/273 variables, and 153 constraints, problems are : Problem set: 0 solved, 143 unsolved in 20010 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 90/90 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 143/143 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 143 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 3 (OVERLAPS) 2/89 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 5 (OVERLAPS) 183/272 variables, 89/112 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 40/152 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 138/290 constraints. Problems are: Problem set: 0 solved, 143 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 272/273 variables, and 290 constraints, problems are : Problem set: 0 solved, 143 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/90 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 138/143 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40070ms problems are : Problem set: 0 solved, 143 unsolved
Search for dead transitions found 0 dead transitions in 40070ms
[2025-06-08 00:40:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:40:58] [INFO ] Implicit Places using invariants in 60 ms returned []
[2025-06-08 00:40:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:40:58] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-08 00:40:58] [INFO ] Implicit Places using invariants and state equation in 264 ms returned []
Implicit Place search using SMT with State Equation took 325 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:40:58] [INFO ] Redundant transitions in 1 ms returned []
Running 143 sub problems to find dead transitions.
[2025-06-08 00:40:58] [INFO ] Invariant cache hit.
[2025-06-08 00:40:58] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 3 (OVERLAPS) 2/89 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 5 (OVERLAPS) 183/272 variables, 89/112 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 40/152 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 8 (OVERLAPS) 1/273 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/273 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 10 (OVERLAPS) 0/273 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
No progress, stopping.
After SMT solving in domain Real declared 273/273 variables, and 153 constraints, problems are : Problem set: 0 solved, 143 unsolved in 28079 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 90/90 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 143/143 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 143 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 3 (OVERLAPS) 2/89 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 5 (OVERLAPS) 183/272 variables, 89/112 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 40/152 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 138/290 constraints. Problems are: Problem set: 0 solved, 143 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:41:41] [INFO ] Deduced a trap along path composed of 5 places in 36 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/272 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 143 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 272/273 variables, and 291 constraints, problems are : Problem set: 0 solved, 143 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/90 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 138/143 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 58135ms problems are : Problem set: 0 solved, 143 unsolved
Search for dead transitions found 0 dead transitions in 58136ms
Starting structural reductions in SI_LTL mode, iteration 1 : 90/101 places, 183/184 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 98550 ms. Remains : 90/101 places, 183/184 transitions.
Stuttering acceptance computed with spot in 258 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), false]
Running random walk in product with property : CopsAndRobbers-PT-HRL020X006-LTLCardinality-11
Product exploration explored 100000 steps with 28842 reset in 251 ms.
Product exploration explored 100000 steps with 28751 reset in 291 ms.
Computed a total of 4 stabilizing places and 41 stable transitions
Graph (complete) has 672 edges and 90 vertex of which 89 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 4 stabilizing places and 41 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1) p2), (X p2), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT p0)), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X p2)), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))))]
False Knowledge obtained : [(X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND (NOT p0) p1)), (X (NOT (AND (NOT p0) p1))), (X p1), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1) p2))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1 p2))), (X (X (NOT (AND (NOT p0) p1 p2)))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 11 factoid took 737 ms. Reduced automaton from 6 states, 24 edges and 3 AP (stutter insensitive) to 7 states, 27 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 297 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), false, false]
RANDOM walk for 5466 steps (13 resets) in 16 ms. (321 steps per ms) remains 0/9 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1) p2), (X p2), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT p0)), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X p2)), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))))]
False Knowledge obtained : [(X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND (NOT p0) p1)), (X (NOT (AND (NOT p0) p1))), (X p1), (X (NOT p1)), (X (X (AND (NOT p0) (NOT p1) p2))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND (NOT p0) p1 p2))), (X (X (NOT (AND (NOT p0) p1 p2)))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR (AND p1 (NOT p0)) (AND p2 (NOT p0))))), (F (NOT (OR (NOT p1) (NOT p2) p0))), (F (NOT (OR (NOT p1) p0))), (F (NOT (AND (NOT p1) p2 (NOT p0)))), (F (NOT p2)), (F (NOT (OR (NOT p1) p2 p0))), (F p0), (F (NOT (OR p1 p2 p0))), (F p1)]
Knowledge based reduction with 11 factoid took 1117 ms. Reduced automaton from 7 states, 27 edges and 3 AP (stutter insensitive) to 7 states, 27 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 307 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), false, false]
Stuttering acceptance computed with spot in 324 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), false, false]
Support contains 6 out of 90 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 90/90 places, 183/183 transitions.
Applied a total of 0 rules in 23 ms. Remains 90 /90 variables (removed 0) and now considering 183/183 (removed 0) transitions.
Running 143 sub problems to find dead transitions.
[2025-06-08 00:42:00] [INFO ] Invariant cache hit.
[2025-06-08 00:42:00] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 3 (OVERLAPS) 2/89 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 5 (OVERLAPS) 183/272 variables, 89/112 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 40/152 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 8 (OVERLAPS) 1/273 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/273 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 273/273 variables, and 153 constraints, problems are : Problem set: 0 solved, 143 unsolved in 20010 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 90/90 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 143/143 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 143 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 3 (OVERLAPS) 2/89 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 5 (OVERLAPS) 183/272 variables, 89/112 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 40/152 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 138/290 constraints. Problems are: Problem set: 0 solved, 143 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:42:35] [INFO ] Deduced a trap along path composed of 5 places in 38 ms of which 1 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 272/273 variables, and 291 constraints, problems are : Problem set: 0 solved, 143 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/90 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 138/143 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 40061ms problems are : Problem set: 0 solved, 143 unsolved
Search for dead transitions found 0 dead transitions in 40062ms
[2025-06-08 00:42:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:42:40] [INFO ] Implicit Places using invariants in 57 ms returned []
[2025-06-08 00:42:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:42:40] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-08 00:42:40] [INFO ] Implicit Places using invariants and state equation in 250 ms returned []
Implicit Place search using SMT with State Equation took 309 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:42:40] [INFO ] Redundant transitions in 1 ms returned []
Running 143 sub problems to find dead transitions.
[2025-06-08 00:42:40] [INFO ] Invariant cache hit.
[2025-06-08 00:42:40] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 3 (OVERLAPS) 2/89 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 5 (OVERLAPS) 183/272 variables, 89/112 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 40/152 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 8 (OVERLAPS) 1/273 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/273 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 10 (OVERLAPS) 0/273 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 143 unsolved
No progress, stopping.
After SMT solving in domain Real declared 273/273 variables, and 153 constraints, problems are : Problem set: 0 solved, 143 unsolved in 28113 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 90/90 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 143/143 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 143 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 3 (OVERLAPS) 2/89 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 5 (OVERLAPS) 183/272 variables, 89/112 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/272 variables, 40/152 constraints. Problems are: Problem set: 0 solved, 143 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/272 variables, 138/290 constraints. Problems are: Problem set: 0 solved, 143 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:43:24] [INFO ] Deduced a trap along path composed of 5 places in 33 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/272 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 143 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 272/273 variables, and 291 constraints, problems are : Problem set: 0 solved, 143 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/90 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 138/143 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 58164ms problems are : Problem set: 0 solved, 143 unsolved
Search for dead transitions found 0 dead transitions in 58165ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 98565 ms. Remains : 90/90 places, 183/183 transitions.
Computed a total of 4 stabilizing places and 41 stable transitions
Graph (complete) has 672 edges and 90 vertex of which 89 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 ms
Computed a total of 4 stabilizing places and 41 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1) p2), (X p2), (X (NOT (AND p1 (NOT p2) (NOT p0)))), (X (OR (AND p1 (NOT p0)) (AND p2 (NOT p0)))), (X (NOT p0)), (X (NOT (AND (NOT p1) (NOT p2) (NOT p0)))), (X (X p2)), (X (X (NOT (AND p1 (NOT p2) (NOT p0))))), (X (X (OR (AND p1 (NOT p0)) (AND p2 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0)))))]
False Knowledge obtained : [(X (AND p1 p2 (NOT p0))), (X (NOT (AND p1 p2 (NOT p0)))), (X (AND (NOT p1) p2 (NOT p0))), (X (NOT (AND (NOT p1) p2 (NOT p0)))), (X (AND p1 (NOT p0))), (X (NOT (AND p1 (NOT p0)))), (X p1), (X (NOT p1)), (X (X (AND p1 p2 (NOT p0)))), (X (X (NOT (AND p1 p2 (NOT p0))))), (X (X (AND (NOT p1) p2 (NOT p0)))), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 11 factoid took 701 ms. Reduced automaton from 7 states, 27 edges and 3 AP (stutter insensitive) to 7 states, 27 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 278 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2)), false, false]
RANDOM walk for 7591 steps (12 resets) in 22 ms. (330 steps per ms) remains 0/9 properties
Knowledge obtained : [(AND (NOT p0) (NOT p1) p2), (X p2), (X (NOT (AND p1 (NOT p2) (NOT p0)))), (X (OR (AND p1 (NOT p0)) (AND p2 (NOT p0)))), (X (NOT p0)), (X (NOT (AND (NOT p1) (NOT p2) (NOT p0)))), (X (X p2)), (X (X (NOT (AND p1 (NOT p2) (NOT p0))))), (X (X (OR (AND p1 (NOT p0)) (AND p2 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0)))))]
False Knowledge obtained : [(X (AND p1 p2 (NOT p0))), (X (NOT (AND p1 p2 (NOT p0)))), (X (AND (NOT p1) p2 (NOT p0))), (X (NOT (AND (NOT p1) p2 (NOT p0)))), (X (AND p1 (NOT p0))), (X (NOT (AND p1 (NOT p0)))), (X p1), (X (NOT p1)), (X (X (AND p1 p2 (NOT p0)))), (X (X (NOT (AND p1 p2 (NOT p0))))), (X (X (AND (NOT p1) p2 (NOT p0)))), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p1)), (X (X (NOT p1))), (F (NOT (OR p0 (NOT p2) (NOT p1)))), (F (NOT (OR p0 p2 p1))), (F (NOT (OR p0 p2 (NOT p1)))), (F (NOT (OR p0 (NOT p1)))), (F (NOT p2)), (F (NOT (OR (AND (NOT p0) p2) (AND (NOT p0) p1)))), (F p0), (F p1), (F (NOT (AND (NOT p0) p2 (NOT p1))))]
Knowledge based reduction with 11 factoid took 1084 ms. Reduced automaton from 7 states, 27 edges and 3 AP (stutter insensitive) to 7 states, 27 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 288 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2)), false, false]
Stuttering acceptance computed with spot in 299 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2)), false, false]
Stuttering acceptance computed with spot in 287 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2)), false, false]
Product exploration explored 100000 steps with 28619 reset in 234 ms.
Product exploration explored 100000 steps with 28640 reset in 239 ms.
Built C files in :
/tmp/ltsmin14572618347300148982
[2025-06-08 00:43:42] [INFO ] Computing symmetric may disable matrix : 183 transitions.
[2025-06-08 00:43:42] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-08 00:43:42] [INFO ] Computing symmetric may enable matrix : 183 transitions.
[2025-06-08 00:43:42] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-08 00:43:42] [INFO ] Computing Do-Not-Accords matrix : 183 transitions.
[2025-06-08 00:43:42] [INFO ] Computation of Completed DNA matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-08 00:43:42] [INFO ] Built C files in 40ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14572618347300148982
Running compilation step : cd /tmp/ltsmin14572618347300148982;'/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 475 ms.
Running link step : cd /tmp/ltsmin14572618347300148982;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 50 ms.
Running LTSmin : cd /tmp/ltsmin14572618347300148982;'/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/stateBased9803665038252849479.hoa' '--buchi-type=spotba'
LTSmin run took 216 ms.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLCardinality-11 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property CopsAndRobbers-PT-HRL020X006-LTLCardinality-11 finished in 205062 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 3 out of 101 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 101/101 places, 184/184 transitions.
Graph (complete) has 703 edges and 101 vertex of which 91 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.1 ms
Discarding 10 places :
Also discarding 0 output transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 91 transition count 183
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 90 transition count 183
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 89 transition count 182
Applied a total of 5 rules in 16 ms. Remains 89 /101 variables (removed 12) and now considering 182/184 (removed 2) transitions.
Running 142 sub problems to find dead transitions.
// Phase 1: matrix 182 rows 89 cols
[2025-06-08 00:43:43] [INFO ] Computed 23 invariants in 2 ms
[2025-06-08 00:43:43] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (OVERLAPS) 182/270 variables, 88/111 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 40/151 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:43:48] [INFO ] Deduced a trap composed of 43 places in 54 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 9 (OVERLAPS) 1/271 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:43:57] [INFO ] Deduced a trap along path composed of 5 places in 39 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/271 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:44:00] [INFO ] Deduced a trap along path composed of 5 places in 33 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/271 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 271/271 variables, and 155 constraints, problems are : Problem set: 0 solved, 142 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 142/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (OVERLAPS) 2/88 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (OVERLAPS) 182/270 variables, 88/112 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 40/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 137/289 constraints. Problems are: Problem set: 0 solved, 142 unsolved
SMT process timed out in 40072ms, After SMT, problems are : Problem set: 0 solved, 142 unsolved
Search for dead transitions found 0 dead transitions in 40072ms
[2025-06-08 00:44:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:44:23] [INFO ] Implicit Places using invariants in 70 ms returned []
[2025-06-08 00:44:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:44:23] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-08 00:44:23] [INFO ] Implicit Places using invariants and state equation in 548 ms returned []
Implicit Place search using SMT with State Equation took 619 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:44:23] [INFO ] Redundant transitions in 1 ms returned []
Running 142 sub problems to find dead transitions.
[2025-06-08 00:44:23] [INFO ] Invariant cache hit.
[2025-06-08 00:44:23] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (OVERLAPS) 182/270 variables, 88/111 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 40/151 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:44:28] [INFO ] Deduced a trap along path composed of 5 places in 34 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 9 (OVERLAPS) 1/271 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/271 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 11 (OVERLAPS) 0/271 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 153 constraints, problems are : Problem set: 0 solved, 142 unsolved in 21441 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 89/89 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 142/142 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (OVERLAPS) 182/270 variables, 88/111 constraints. Problems are: Problem set: 0 solved, 142 unsolved
SMT process timed out in 51499ms, After SMT, problems are : Problem set: 0 solved, 142 unsolved
Search for dead transitions found 0 dead transitions in 51499ms
Starting structural reductions in SI_LTL mode, iteration 1 : 89/101 places, 182/184 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 92213 ms. Remains : 89/101 places, 182/184 transitions.
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-HRL020X006-LTLCardinality-12
Stuttering criterion allowed to conclude after 72 steps with 2 reset in 0 ms.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL020X006-LTLCardinality-12 finished in 92264 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 101 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 101/101 places, 184/184 transitions.
Graph (complete) has 703 edges and 101 vertex of which 90 are kept as prefixes of interest. Removing 11 places using SCC suffix rule.1 ms
Discarding 11 places :
Also discarding 0 output transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 90 transition count 183
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 89 transition count 183
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 5 place count 88 transition count 182
Applied a total of 5 rules in 14 ms. Remains 88 /101 variables (removed 13) and now considering 182/184 (removed 2) transitions.
Running 142 sub problems to find dead transitions.
// Phase 1: matrix 182 rows 88 cols
[2025-06-08 00:45:15] [INFO ] Computed 23 invariants in 2 ms
[2025-06-08 00:45:15] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (OVERLAPS) 182/270 variables, 88/111 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 40/151 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:45:20] [INFO ] Deduced a trap composed of 43 places in 52 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:45:28] [INFO ] Deduced a trap along path composed of 5 places in 33 ms of which 1 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/270 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/270 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:45:35] [INFO ] Deduced a trap along path composed of 5 places in 35 ms of which 0 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 270/270 variables, and 154 constraints, problems are : Problem set: 0 solved, 142 unsolved in 20012 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 88/88 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 142/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (OVERLAPS) 2/88 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (OVERLAPS) 182/270 variables, 88/112 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 40/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 142/294 constraints. Problems are: Problem set: 0 solved, 142 unsolved
SMT process timed out in 40061ms, After SMT, problems are : Problem set: 0 solved, 142 unsolved
Search for dead transitions found 0 dead transitions in 40062ms
[2025-06-08 00:45:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:45:55] [INFO ] Implicit Places using invariants in 57 ms returned []
[2025-06-08 00:45:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:45:55] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-08 00:45:55] [INFO ] Implicit Places using invariants and state equation in 417 ms returned []
Implicit Place search using SMT with State Equation took 477 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:45:55] [INFO ] Redundant transitions in 0 ms returned []
Running 142 sub problems to find dead transitions.
[2025-06-08 00:45:55] [INFO ] Invariant cache hit.
[2025-06-08 00:45:55] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (OVERLAPS) 2/88 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (OVERLAPS) 182/270 variables, 88/111 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 40/151 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:46:01] [INFO ] Deduced a trap composed of 43 places in 57 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:46:08] [INFO ] Deduced a trap along path composed of 5 places in 30 ms of which 0 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/270 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/270 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:46:16] [INFO ] Deduced a trap along path composed of 5 places in 37 ms of which 0 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/270 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/270 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:46:22] [INFO ] Deduced a trap composed of 44 places in 54 ms of which 3 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/270 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 142 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 270/270 variables, and 155 constraints, problems are : Problem set: 0 solved, 142 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 88/88 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 142/142 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 142 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/86 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/86 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 4 (OVERLAPS) 2/88 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 7 (OVERLAPS) 182/270 variables, 88/113 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 142 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/270 variables, 142/295 constraints. Problems are: Problem set: 0 solved, 142 unsolved
SMT process timed out in 60076ms, After SMT, problems are : Problem set: 0 solved, 142 unsolved
Search for dead transitions found 0 dead transitions in 60078ms
Starting structural reductions in SI_LTL mode, iteration 1 : 88/101 places, 182/184 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 100642 ms. Remains : 88/101 places, 182/184 transitions.
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-HRL020X006-LTLCardinality-13
Stuttering criterion allowed to conclude after 16271 steps with 309 reset in 52 ms.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL020X006-LTLCardinality-13 finished in 100777 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(((p0||X(X(X(X(F(p1)))))) U p2)))'
Support contains 4 out of 101 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 101/101 places, 184/184 transitions.
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 91 transition count 184
Applied a total of 10 rules in 3 ms. Remains 91 /101 variables (removed 10) and now considering 184/184 (removed 0) transitions.
Running 144 sub problems to find dead transitions.
// Phase 1: matrix 184 rows 91 cols
[2025-06-08 00:46:56] [INFO ] Computed 23 invariants in 1 ms
[2025-06-08 00:46:56] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 8 (OVERLAPS) 1/275 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/275 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:47:12] [INFO ] Deduced a trap along path composed of 6 places in 34 ms of which 1 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/275 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/275 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 275/275 variables, and 155 constraints, problems are : Problem set: 0 solved, 144 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 91/91 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 139/292 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:47:26] [INFO ] Deduced a trap composed of 45 places in 47 ms of which 3 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 274/275 variables, and 293 constraints, problems are : Problem set: 0 solved, 144 unsolved in 20011 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 90/91 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 139/144 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/1 constraints]
After SMT, in 40062ms problems are : Problem set: 0 solved, 144 unsolved
Search for dead transitions found 0 dead transitions in 40063ms
[2025-06-08 00:47:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:47:36] [INFO ] Implicit Places using invariants in 69 ms returned []
[2025-06-08 00:47:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:47:36] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-08 00:47:36] [INFO ] Implicit Places using invariants and state equation in 453 ms returned []
Implicit Place search using SMT with State Equation took 523 ms to find 0 implicit places.
Running 144 sub problems to find dead transitions.
[2025-06-08 00:47:36] [INFO ] Invariant cache hit.
[2025-06-08 00:47:36] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 8 (OVERLAPS) 1/275 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/275 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:47:53] [INFO ] Deduced a trap along path composed of 6 places in 32 ms of which 0 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/275 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/275 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 12 (OVERLAPS) 0/275 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 144 unsolved
No progress, stopping.
After SMT solving in domain Real declared 275/275 variables, and 155 constraints, problems are : Problem set: 0 solved, 144 unsolved in 25427 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 91/91 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 144/144 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 144 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 3 (OVERLAPS) 2/90 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 5 (OVERLAPS) 184/274 variables, 90/113 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/274 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/274 variables, 139/292 constraints. Problems are: Problem set: 0 solved, 144 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/274 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 144 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 274/275 variables, and 293 constraints, problems are : Problem set: 0 solved, 144 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 90/91 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 139/144 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 55485ms problems are : Problem set: 0 solved, 144 unsolved
Search for dead transitions found 0 dead transitions in 55486ms
Starting structural reductions in LTL mode, iteration 1 : 91/101 places, 184/184 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 96077 ms. Remains : 91/101 places, 184/184 transitions.
Stuttering acceptance computed with spot in 209 ms :[(NOT p2), (NOT p1), (NOT p2), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : CopsAndRobbers-PT-HRL020X006-LTLCardinality-14
Stuttering criterion allowed to conclude after 261 steps with 3 reset in 2 ms.
FORMULA CopsAndRobbers-PT-HRL020X006-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL020X006-LTLCardinality-14 finished in 96317 ms.
All properties solved by simple procedures.
Total runtime 1355383 ms.

BK_STOP 1749343712526

--------------------
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="CopsAndRobbers-PT-HRL020X006"
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 CopsAndRobbers-PT-HRL020X006, 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 r254-tall-174931339500219"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-HRL020X006.tgz
mv CopsAndRobbers-PT-HRL020X006 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 ;