About the Execution of ITS-Tools for CopsAndRobbers-PT-HRL014X002
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 601078.00 | 0.00 | 0.00 | TFFFTTTTTTFFFTTT | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r254-tall-174931339500204.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-HRL014X002, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r254-tall-174931339500204
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 612K
-rw-r--r-- 1 mcc users 6.5K Jun 6 09:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 49K Jun 6 09:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Jun 6 08:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Jun 6 08:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.8K Jun 6 11:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Jun 6 11:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Jun 6 11:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Jun 6 11:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 15K Jun 6 09:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 126K Jun 6 09:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 16K Jun 6 09:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 97K Jun 6 09:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Jun 6 11:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Jun 6 11:49 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 137K 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-HRL014X002-LTLFireability-00
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-01
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-02
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-03
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-04
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-05
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-06
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-07
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-08
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-09
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-10
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-11
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-12
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-13
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-14
FORMULA_NAME CopsAndRobbers-PT-HRL014X002-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1749341747004
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CopsAndRobbers-PT-HRL014X002
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-08 00:15:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-08 00:15:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-08 00:15:48] [INFO ] Load time of PNML (sax parser for PT used): 67 ms
[2025-06-08 00:15:48] [INFO ] Transformed 80 places.
[2025-06-08 00:15:48] [INFO ] Transformed 158 transitions.
[2025-06-08 00:15:48] [INFO ] Parsed PT model containing 80 places and 158 transitions and 807 arcs in 149 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 6 formulas.
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 33 out of 80 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 80/80 places, 158/158 transitions.
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 66 transition count 158
Applied a total of 14 rules in 20 ms. Remains 66 /80 variables (removed 14) and now considering 158/158 (removed 0) transitions.
Running 130 sub problems to find dead transitions.
// Phase 1: matrix 158 rows 66 cols
[2025-06-08 00:15:48] [INFO ] Computed 17 invariants in 10 ms
[2025-06-08 00:15:48] [INFO ] State equation strengthened by 42 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
Problem TDEAD78 is UNSAT
Problem TDEAD79 is UNSAT
Problem TDEAD80 is UNSAT
Problem TDEAD81 is UNSAT
Problem TDEAD86 is UNSAT
Problem TDEAD87 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD89 is UNSAT
Problem TDEAD94 is UNSAT
Problem TDEAD95 is UNSAT
Problem TDEAD96 is UNSAT
Problem TDEAD97 is UNSAT
Problem TDEAD102 is UNSAT
Problem TDEAD103 is UNSAT
Problem TDEAD104 is UNSAT
Problem TDEAD105 is UNSAT
Problem TDEAD110 is UNSAT
Problem TDEAD111 is UNSAT
Problem TDEAD112 is UNSAT
Problem TDEAD113 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD123 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD134 is UNSAT
Problem TDEAD135 is UNSAT
Problem TDEAD136 is UNSAT
Problem TDEAD137 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 14/14 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/15 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 3 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 158/224 variables, 66/83 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/224 variables, 42/125 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/224 variables, 0/125 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 8 (OVERLAPS) 0/224 variables, 0/125 constraints. Problems are: Problem set: 28 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 224/224 variables, and 125 constraints, problems are : Problem set: 28 solved, 102 unsolved in 5443 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 130/130 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 28 solved, 102 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 14/14 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/15 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 3 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 158/224 variables, 66/83 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/224 variables, 42/125 constraints. Problems are: Problem set: 28 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/224 variables, 102/227 constraints. Problems are: Problem set: 28 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:16:05] [INFO ] Deduced a trap composed of 33 places in 85 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/224 variables, 1/228 constraints. Problems are: Problem set: 28 solved, 102 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 224/224 variables, and 228 constraints, problems are : Problem set: 28 solved, 102 unsolved in 20022 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 102/130 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 25637ms problems are : Problem set: 28 solved, 102 unsolved
Search for dead transitions found 28 dead transitions in 25656ms
Found 28 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 28 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 28 transitions.
// Phase 1: matrix 130 rows 66 cols
[2025-06-08 00:16:14] [INFO ] Computed 17 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:16:14] [INFO ] Implicit Places using invariants in 57 ms returned []
[2025-06-08 00:16:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:16:14] [INFO ] State equation strengthened by 28 read => feed constraints.
[2025-06-08 00:16:14] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 170 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 66/80 places, 130/158 transitions.
Applied a total of 0 rules in 2 ms. Remains 66 /66 variables (removed 0) and now considering 130/130 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 25898 ms. Remains : 66/80 places, 130/158 transitions.
Support contains 33 out of 66 places after structural reductions.
[2025-06-08 00:16:14] [INFO ] Flatten gal took : 29 ms
[2025-06-08 00:16:14] [INFO ] Flatten gal took : 13 ms
[2025-06-08 00:16:14] [INFO ] Input system was already deterministic with 130 transitions.
RANDOM walk for 40000 steps (250 resets) in 1005 ms. (39 steps per ms) remains 5/20 properties
BEST_FIRST walk for 40002 steps (163 resets) in 307 ms. (129 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (145 resets) in 134 ms. (296 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (187 resets) in 133 ms. (298 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (175 resets) in 109 ms. (363 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40000 steps (184 resets) in 85 ms. (465 steps per ms) remains 5/5 properties
[2025-06-08 00:16:15] [INFO ] Invariant cache hit.
[2025-06-08 00:16:15] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem AtomicPropp0 is UNSAT
Problem AtomicPropp2 is UNSAT
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp9 is UNSAT
At refinement iteration 1 (OVERLAPS) 19/32 variables, 10/10 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/10 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/38 variables, 6/16 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/16 constraints. Problems are: Problem set: 4 solved, 1 unsolved
Problem AtomicPropp19 is UNSAT
After SMT solving in domain Real declared 39/196 variables, and 17 constraints, problems are : Problem set: 5 solved, 0 unsolved in 80 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/66 constraints, ReadFeed: 0/28 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 85ms problems are : Problem set: 5 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 5 atomic propositions for a total of 10 simplifications.
Initial state reduction rules removed 2 formulas.
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 4 stabilizing places and 29 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 3 out of 66 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 66/66 places, 130/130 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 66 transition count 129
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 65 transition count 129
Applied a total of 2 rules in 14 ms. Remains 65 /66 variables (removed 1) and now considering 129/130 (removed 1) transitions.
Running 101 sub problems to find dead transitions.
// Phase 1: matrix 129 rows 65 cols
[2025-06-08 00:16:15] [INFO ] Computed 17 invariants in 2 ms
[2025-06-08 00:16:15] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 2/65 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 129/194 variables, 65/82 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 28/110 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:16:19] [INFO ] Deduced a trap along path composed of 5 places in 36 ms of which 2 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/194 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 10 (OVERLAPS) 0/194 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 111 constraints, problems are : Problem set: 0 solved, 101 unsolved in 7785 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 2/65 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 129/194 variables, 65/82 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 28/110 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 101/211 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 194/194 variables, and 212 constraints, problems are : Problem set: 0 solved, 101 unsolved in 20009 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 27852ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 27852ms
[2025-06-08 00:16:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:16:43] [INFO ] Implicit Places using invariants in 55 ms returned []
[2025-06-08 00:16:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:16:43] [INFO ] State equation strengthened by 28 read => feed constraints.
[2025-06-08 00:16:43] [INFO ] Implicit Places using invariants and state equation in 155 ms returned []
Implicit Place search using SMT with State Equation took 212 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:16:43] [INFO ] Redundant transitions in 10 ms returned []
Running 101 sub problems to find dead transitions.
[2025-06-08 00:16:43] [INFO ] Invariant cache hit.
[2025-06-08 00:16:43] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 2/65 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 129/194 variables, 65/82 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 28/110 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:16:45] [INFO ] Deduced a trap along path composed of 5 places in 26 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 9 (OVERLAPS) 0/194 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 111 constraints, problems are : Problem set: 0 solved, 101 unsolved in 6001 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 2/65 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 129/194 variables, 65/82 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 28/110 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 101/211 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 194/194 variables, and 212 constraints, problems are : Problem set: 0 solved, 101 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 36043ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 36044ms
Starting structural reductions in SI_LTL mode, iteration 1 : 65/66 places, 129/130 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 64139 ms. Remains : 65/66 places, 129/130 transitions.
Stuttering acceptance computed with spot in 152 ms :[(NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-HRL014X002-LTLFireability-01
Stuttering criterion allowed to conclude after 13 steps with 0 reset in 2 ms.
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL014X002-LTLFireability-01 finished in 64346 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 3 out of 66 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 66/66 places, 130/130 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 66 transition count 129
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 2 place count 65 transition count 129
Applied a total of 2 rules in 7 ms. Remains 65 /66 variables (removed 1) and now considering 129/130 (removed 1) transitions.
Running 101 sub problems to find dead transitions.
[2025-06-08 00:17:19] [INFO ] Invariant cache hit.
[2025-06-08 00:17:19] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 2/65 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 129/194 variables, 65/82 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 28/110 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:17:21] [INFO ] Deduced a trap along path composed of 5 places in 31 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 9 (OVERLAPS) 0/194 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 111 constraints, problems are : Problem set: 0 solved, 101 unsolved in 6028 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 2/65 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 129/194 variables, 65/82 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 28/110 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 101/211 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 194/194 variables, and 212 constraints, problems are : Problem set: 0 solved, 101 unsolved in 20009 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 26061ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 26062ms
[2025-06-08 00:17:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:17:46] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-06-08 00:17:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:17:46] [INFO ] State equation strengthened by 28 read => feed constraints.
[2025-06-08 00:17:46] [INFO ] Implicit Places using invariants and state equation in 133 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:17:46] [INFO ] Redundant transitions in 3 ms returned []
Running 101 sub problems to find dead transitions.
[2025-06-08 00:17:46] [INFO ] Invariant cache hit.
[2025-06-08 00:17:46] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 2/65 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 129/194 variables, 65/82 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 28/110 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:17:48] [INFO ] Deduced a trap along path composed of 5 places in 26 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 9 (OVERLAPS) 0/194 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 111 constraints, problems are : Problem set: 0 solved, 101 unsolved in 6022 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 2/65 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 129/194 variables, 65/82 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 28/110 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 101/211 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 194/194 variables, and 212 constraints, problems are : Problem set: 0 solved, 101 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 36067ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 36068ms
Starting structural reductions in SI_LTL mode, iteration 1 : 65/66 places, 129/130 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 62327 ms. Remains : 65/66 places, 129/130 transitions.
Stuttering acceptance computed with spot in 77 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-HRL014X002-LTLFireability-04
Product exploration explored 100000 steps with 2634 reset in 322 ms.
Product exploration explored 100000 steps with 2713 reset in 201 ms.
Computed a total of 4 stabilizing places and 29 stable transitions
Computed a total of 4 stabilizing places and 29 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 94 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 57 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 909 steps (2 resets) in 18 ms. (47 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 91 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 73 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Support contains 3 out of 65 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 65/65 places, 129/129 transitions.
Applied a total of 0 rules in 11 ms. Remains 65 /65 variables (removed 0) and now considering 129/129 (removed 0) transitions.
Running 101 sub problems to find dead transitions.
[2025-06-08 00:18:23] [INFO ] Invariant cache hit.
[2025-06-08 00:18:23] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 2/65 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 129/194 variables, 65/82 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 28/110 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:18:25] [INFO ] Deduced a trap along path composed of 5 places in 33 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 9 (OVERLAPS) 0/194 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 111 constraints, problems are : Problem set: 0 solved, 101 unsolved in 5919 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 2/65 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 129/194 variables, 65/82 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 28/110 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 101/211 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 194/194 variables, and 212 constraints, problems are : Problem set: 0 solved, 101 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 25956ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 25956ms
[2025-06-08 00:18:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:18:49] [INFO ] Implicit Places using invariants in 61 ms returned []
[2025-06-08 00:18:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:18:49] [INFO ] State equation strengthened by 28 read => feed constraints.
[2025-06-08 00:18:49] [INFO ] Implicit Places using invariants and state equation in 138 ms returned []
Implicit Place search using SMT with State Equation took 200 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:18:49] [INFO ] Redundant transitions in 4 ms returned []
Running 101 sub problems to find dead transitions.
[2025-06-08 00:18:49] [INFO ] Invariant cache hit.
[2025-06-08 00:18:49] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 2/65 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 129/194 variables, 65/82 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 28/110 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:18:51] [INFO ] Deduced a trap along path composed of 5 places in 33 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 9 (OVERLAPS) 0/194 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 101 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 111 constraints, problems are : Problem set: 0 solved, 101 unsolved in 5873 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 101 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/63 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 3 (OVERLAPS) 2/65 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 5 (OVERLAPS) 129/194 variables, 65/82 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 28/110 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 101/211 constraints. Problems are: Problem set: 0 solved, 101 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 1/212 constraints. Problems are: Problem set: 0 solved, 101 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 194/194 variables, and 212 constraints, problems are : Problem set: 0 solved, 101 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 65/65 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 101/101 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 35907ms problems are : Problem set: 0 solved, 101 unsolved
Search for dead transitions found 0 dead transitions in 35909ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 62086 ms. Remains : 65/65 places, 129/129 transitions.
Computed a total of 4 stabilizing places and 29 stable transitions
Computed a total of 4 stabilizing places and 29 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 92 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 2964 steps (13 resets) in 14 ms. (197 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 95 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 80 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 76 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 2667 reset in 147 ms.
Product exploration explored 100000 steps with 2600 reset in 255 ms.
Built C files in :
/tmp/ltsmin12094962354667394881
[2025-06-08 00:19:26] [INFO ] Computing symmetric may disable matrix : 129 transitions.
[2025-06-08 00:19:26] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-08 00:19:26] [INFO ] Computing symmetric may enable matrix : 129 transitions.
[2025-06-08 00:19:26] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-08 00:19:26] [INFO ] Computing Do-Not-Accords matrix : 129 transitions.
[2025-06-08 00:19:26] [INFO ] Computation of Completed DNA matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-08 00:19:26] [INFO ] Built C files in 30ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12094962354667394881
Running compilation step : cd /tmp/ltsmin12094962354667394881;'/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 402 ms.
Running link step : cd /tmp/ltsmin12094962354667394881;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 50 ms.
Running LTSmin : cd /tmp/ltsmin12094962354667394881;'/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/stateBased16036036481440318512.hoa' '--buchi-type=spotba'
LTSmin run took 334 ms.
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-04 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property CopsAndRobbers-PT-HRL014X002-LTLFireability-04 finished in 127266 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(X((!(!p0 U (false U p1))||X(F(!p0))))))'
Support contains 5 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 130/130 transitions.
Applied a total of 0 rules in 3 ms. Remains 66 /66 variables (removed 0) and now considering 130/130 (removed 0) transitions.
Running 102 sub problems to find dead transitions.
// Phase 1: matrix 130 rows 66 cols
[2025-06-08 00:19:27] [INFO ] Computed 17 invariants in 4 ms
[2025-06-08 00:19:27] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 130/196 variables, 66/83 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 28/111 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:19:29] [INFO ] Deduced a trap along path composed of 6 places in 31 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (OVERLAPS) 0/196 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 112 constraints, problems are : Problem set: 0 solved, 102 unsolved in 5869 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 130/196 variables, 66/83 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 28/111 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 102/213 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:19:42] [INFO ] Deduced a trap composed of 33 places in 52 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 102 unsolved
SMT process timed out in 25914ms, After SMT, problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 25915ms
[2025-06-08 00:19:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:19:53] [INFO ] Implicit Places using invariants in 52 ms returned []
[2025-06-08 00:19:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:19:53] [INFO ] State equation strengthened by 28 read => feed constraints.
[2025-06-08 00:19:53] [INFO ] Implicit Places using invariants and state equation in 155 ms returned []
Implicit Place search using SMT with State Equation took 208 ms to find 0 implicit places.
Running 102 sub problems to find dead transitions.
[2025-06-08 00:19:53] [INFO ] Invariant cache hit.
[2025-06-08 00:19:53] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 130/196 variables, 66/83 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 28/111 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:19:55] [INFO ] Deduced a trap along path composed of 6 places in 36 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (OVERLAPS) 0/196 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 112 constraints, problems are : Problem set: 0 solved, 102 unsolved in 5890 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 130/196 variables, 66/83 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 28/111 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 102/213 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:20:08] [INFO ] Deduced a trap composed of 33 places in 50 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/196 variables, 1/215 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 196/196 variables, and 215 constraints, problems are : Problem set: 0 solved, 102 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 35934ms problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 35935ms
Finished structural reductions in LTL mode , in 1 iterations and 62061 ms. Remains : 66/66 places, 130/130 transitions.
Stuttering acceptance computed with spot in 122 ms :[(AND p0 p1), (AND p0 p1), (AND p0 p1)]
Running random walk in product with property : CopsAndRobbers-PT-HRL014X002-LTLFireability-07
Product exploration explored 100000 steps with 33333 reset in 222 ms.
Product exploration explored 100000 steps with 33333 reset in 160 ms.
Computed a total of 4 stabilizing places and 29 stable transitions
Computed a total of 4 stabilizing places and 29 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (OR (NOT p0) p1)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 7 factoid took 16 ms. Reduced automaton from 3 states, 3 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CopsAndRobbers-PT-HRL014X002-LTLFireability-07 finished in 62608 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U X(X(p1)))&&G((F(G(!p2)) U p3))))'
Support contains 9 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 130/130 transitions.
Applied a total of 0 rules in 3 ms. Remains 66 /66 variables (removed 0) and now considering 130/130 (removed 0) transitions.
Running 102 sub problems to find dead transitions.
[2025-06-08 00:20:29] [INFO ] Invariant cache hit.
[2025-06-08 00:20:29] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 130/196 variables, 66/83 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 28/111 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:20:31] [INFO ] Deduced a trap along path composed of 6 places in 29 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (OVERLAPS) 0/196 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 112 constraints, problems are : Problem set: 0 solved, 102 unsolved in 6028 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 130/196 variables, 66/83 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 28/111 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 102/213 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:20:45] [INFO ] Deduced a trap composed of 33 places in 51 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 102 unsolved
SMT process timed out in 26060ms, After SMT, problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 26061ms
[2025-06-08 00:20:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:20:55] [INFO ] Implicit Places using invariants in 51 ms returned []
[2025-06-08 00:20:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:20:56] [INFO ] State equation strengthened by 28 read => feed constraints.
[2025-06-08 00:20:56] [INFO ] Implicit Places using invariants and state equation in 119 ms returned []
Implicit Place search using SMT with State Equation took 172 ms to find 0 implicit places.
Running 102 sub problems to find dead transitions.
[2025-06-08 00:20:56] [INFO ] Invariant cache hit.
[2025-06-08 00:20:56] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 130/196 variables, 66/83 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 28/111 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:20:58] [INFO ] Deduced a trap along path composed of 6 places in 24 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (OVERLAPS) 0/196 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 112 constraints, problems are : Problem set: 0 solved, 102 unsolved in 5948 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 130/196 variables, 66/83 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 28/111 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 102/213 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:21:11] [INFO ] Deduced a trap composed of 33 places in 48 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/196 variables, 1/215 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 196/196 variables, and 215 constraints, problems are : Problem set: 0 solved, 102 unsolved in 30008 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 35977ms problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 35977ms
Finished structural reductions in LTL mode , in 1 iterations and 62215 ms. Remains : 66/66 places, 130/130 transitions.
Stuttering acceptance computed with spot in 385 ms :[(OR (NOT p3) (NOT p1)), (NOT p1), p2, (NOT p3), (NOT p3), (NOT p1), (NOT p1), true, (NOT p1), (NOT p1)]
Running random walk in product with property : CopsAndRobbers-PT-HRL014X002-LTLFireability-10
Entered a terminal (fully accepting) state of product in 19 steps with 2 reset in 0 ms.
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL014X002-LTLFireability-10 finished in 62627 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||G(p1))))'
Support contains 5 out of 66 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 66/66 places, 130/130 transitions.
Applied a total of 0 rules in 2 ms. Remains 66 /66 variables (removed 0) and now considering 130/130 (removed 0) transitions.
Running 102 sub problems to find dead transitions.
[2025-06-08 00:21:32] [INFO ] Invariant cache hit.
[2025-06-08 00:21:32] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 130/196 variables, 66/83 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 28/111 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:21:34] [INFO ] Deduced a trap along path composed of 6 places in 30 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (OVERLAPS) 0/196 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 112 constraints, problems are : Problem set: 0 solved, 102 unsolved in 5946 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 130/196 variables, 66/83 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 28/111 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 102/213 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:21:47] [INFO ] Deduced a trap composed of 33 places in 51 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 102 unsolved
SMT process timed out in 25976ms, After SMT, problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 25977ms
[2025-06-08 00:21:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:21:58] [INFO ] Implicit Places using invariants in 49 ms returned []
[2025-06-08 00:21:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:21:58] [INFO ] State equation strengthened by 28 read => feed constraints.
[2025-06-08 00:21:58] [INFO ] Implicit Places using invariants and state equation in 130 ms returned []
Implicit Place search using SMT with State Equation took 180 ms to find 0 implicit places.
Running 102 sub problems to find dead transitions.
[2025-06-08 00:21:58] [INFO ] Invariant cache hit.
[2025-06-08 00:21:58] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 130/196 variables, 66/83 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 28/111 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:22:00] [INFO ] Deduced a trap along path composed of 6 places in 33 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (OVERLAPS) 0/196 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 112 constraints, problems are : Problem set: 0 solved, 102 unsolved in 5949 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (OVERLAPS) 2/66 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 130/196 variables, 66/83 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 28/111 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 102/213 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:22:13] [INFO ] Deduced a trap composed of 33 places in 50 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/196 variables, 1/215 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 196/196 variables, and 215 constraints, problems are : Problem set: 0 solved, 102 unsolved in 30010 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 35998ms problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 35999ms
Finished structural reductions in LTL mode , in 1 iterations and 62158 ms. Remains : 66/66 places, 130/130 transitions.
Stuttering acceptance computed with spot in 127 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : CopsAndRobbers-PT-HRL014X002-LTLFireability-11
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CopsAndRobbers-PT-HRL014X002-LTLFireability-11 finished in 62304 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 66 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 66/66 places, 130/130 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 66 transition count 129
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 65 transition count 129
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 4 place count 64 transition count 128
Applied a total of 4 rules in 13 ms. Remains 64 /66 variables (removed 2) and now considering 128/130 (removed 2) transitions.
Running 100 sub problems to find dead transitions.
// Phase 1: matrix 128 rows 64 cols
[2025-06-08 00:22:34] [INFO ] Computed 17 invariants in 2 ms
[2025-06-08 00:22:34] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 3 (OVERLAPS) 2/64 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 5 (OVERLAPS) 128/192 variables, 64/81 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 28/109 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:22:36] [INFO ] Deduced a trap along path composed of 5 places in 25 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:22:36] [INFO ] Deduced a trap along path composed of 5 places in 21 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 9 (OVERLAPS) 0/192 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 111 constraints, problems are : Problem set: 0 solved, 100 unsolved in 6567 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 64/64 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 100/100 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 3 (OVERLAPS) 2/64 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 5 (OVERLAPS) 128/192 variables, 64/81 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 28/109 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 100/209 constraints. Problems are: Problem set: 0 solved, 100 unsolved
SMT process timed out in 26602ms, After SMT, problems are : Problem set: 0 solved, 100 unsolved
Search for dead transitions found 0 dead transitions in 26602ms
[2025-06-08 00:23:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:23:01] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-08 00:23:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:23:01] [INFO ] State equation strengthened by 28 read => feed constraints.
[2025-06-08 00:23:01] [INFO ] Implicit Places using invariants and state equation in 136 ms returned []
Implicit Place search using SMT with State Equation took 189 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:23:01] [INFO ] Redundant transitions in 2 ms returned []
Running 100 sub problems to find dead transitions.
[2025-06-08 00:23:01] [INFO ] Invariant cache hit.
[2025-06-08 00:23:01] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 3 (OVERLAPS) 2/64 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 5 (OVERLAPS) 128/192 variables, 64/81 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 28/109 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:23:03] [INFO ] Deduced a trap along path composed of 5 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:23:03] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 9 (OVERLAPS) 0/192 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 111 constraints, problems are : Problem set: 0 solved, 100 unsolved in 6556 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 64/64 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 100/100 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 3 (OVERLAPS) 2/64 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 5 (OVERLAPS) 128/192 variables, 64/81 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 28/109 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 100/209 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 2/211 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 211 constraints, problems are : Problem set: 0 solved, 100 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 64/64 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 100/100 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 36596ms problems are : Problem set: 0 solved, 100 unsolved
Search for dead transitions found 0 dead transitions in 36597ms
Starting structural reductions in SI_LTL mode, iteration 1 : 64/66 places, 128/130 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 63411 ms. Remains : 64/66 places, 128/130 transitions.
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-HRL014X002-LTLFireability-12
Product exploration explored 100000 steps with 2054 reset in 167 ms.
Stack based approach found an accepted trace after 317 steps with 5 reset with depth 52 and stack size 48 in 1 ms.
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property CopsAndRobbers-PT-HRL014X002-LTLFireability-12 finished in 63637 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 66 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 66/66 places, 130/130 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 66 transition count 129
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 2 place count 65 transition count 129
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 4 place count 64 transition count 128
Applied a total of 4 rules in 9 ms. Remains 64 /66 variables (removed 2) and now considering 128/130 (removed 2) transitions.
Running 100 sub problems to find dead transitions.
[2025-06-08 00:23:38] [INFO ] Invariant cache hit.
[2025-06-08 00:23:38] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 3 (OVERLAPS) 2/64 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 5 (OVERLAPS) 128/192 variables, 64/81 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 28/109 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:23:40] [INFO ] Deduced a trap along path composed of 5 places in 31 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:23:40] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 9 (OVERLAPS) 0/192 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 111 constraints, problems are : Problem set: 0 solved, 100 unsolved in 6567 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 64/64 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 100/100 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 3 (OVERLAPS) 2/64 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 5 (OVERLAPS) 128/192 variables, 64/81 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 28/109 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 100/209 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 2/211 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 211 constraints, problems are : Problem set: 0 solved, 100 unsolved in 20005 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 64/64 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 100/100 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 26597ms problems are : Problem set: 0 solved, 100 unsolved
Search for dead transitions found 0 dead transitions in 26598ms
[2025-06-08 00:24:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:24:05] [INFO ] Implicit Places using invariants in 53 ms returned []
[2025-06-08 00:24:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:24:05] [INFO ] State equation strengthened by 28 read => feed constraints.
[2025-06-08 00:24:05] [INFO ] Implicit Places using invariants and state equation in 167 ms returned []
Implicit Place search using SMT with State Equation took 220 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:24:05] [INFO ] Redundant transitions in 2 ms returned []
Running 100 sub problems to find dead transitions.
[2025-06-08 00:24:05] [INFO ] Invariant cache hit.
[2025-06-08 00:24:05] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 3 (OVERLAPS) 2/64 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 5 (OVERLAPS) 128/192 variables, 64/81 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 28/109 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:24:07] [INFO ] Deduced a trap along path composed of 5 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:24:07] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 9 (OVERLAPS) 0/192 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 111 constraints, problems are : Problem set: 0 solved, 100 unsolved in 6650 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 64/64 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 100/100 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 3 (OVERLAPS) 2/64 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 5 (OVERLAPS) 128/192 variables, 64/81 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 28/109 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 100/209 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 2/211 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 211 constraints, problems are : Problem set: 0 solved, 100 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 64/64 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 100/100 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 36688ms problems are : Problem set: 0 solved, 100 unsolved
Search for dead transitions found 0 dead transitions in 36689ms
Starting structural reductions in SI_LTL mode, iteration 1 : 64/66 places, 128/130 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 63526 ms. Remains : 64/66 places, 128/130 transitions.
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Running random walk in product with property : CopsAndRobbers-PT-HRL014X002-LTLFireability-15
Product exploration explored 100000 steps with 2043 reset in 153 ms.
Product exploration explored 100000 steps with 1994 reset in 165 ms.
Computed a total of 4 stabilizing places and 29 stable transitions
Computed a total of 4 stabilizing places and 29 stable transitions
Detected a total of 4/64 stabilizing places and 29/128 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 3 factoid took 119 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
RANDOM walk for 14 steps (0 resets) in 4 ms. (2 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0))), (F p0)]
Knowledge based reduction with 3 factoid took 162 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
[2025-06-08 00:24:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-08 00:24:42] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-08 00:24:42] [INFO ] [Real]Absence check using 16 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-08 00:24:42] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-06-08 00:24:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-08 00:24:42] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-08 00:24:42] [INFO ] [Nat]Absence check using 16 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-08 00:24:42] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2025-06-08 00:24:42] [INFO ] State equation strengthened by 28 read => feed constraints.
[2025-06-08 00:24:42] [INFO ] [Nat]Added 28 Read/Feed constraints in 9 ms returned sat
[2025-06-08 00:24:42] [INFO ] Computed and/alt/rep : 42/182/42 causal constraints (skipped 58 transitions) in 9 ms.
[2025-06-08 00:24:42] [INFO ] Added : 0 causal constraints over 0 iterations in 39 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 64 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 64/64 places, 128/128 transitions.
Applied a total of 0 rules in 7 ms. Remains 64 /64 variables (removed 0) and now considering 128/128 (removed 0) transitions.
Running 100 sub problems to find dead transitions.
[2025-06-08 00:24:42] [INFO ] Invariant cache hit.
[2025-06-08 00:24:42] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 3 (OVERLAPS) 2/64 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 5 (OVERLAPS) 128/192 variables, 64/81 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 28/109 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:24:44] [INFO ] Deduced a trap along path composed of 5 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:24:44] [INFO ] Deduced a trap along path composed of 5 places in 21 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 9 (OVERLAPS) 0/192 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 111 constraints, problems are : Problem set: 0 solved, 100 unsolved in 6583 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 64/64 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 100/100 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 3 (OVERLAPS) 2/64 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 5 (OVERLAPS) 128/192 variables, 64/81 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 28/109 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 100/209 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 2/211 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 211 constraints, problems are : Problem set: 0 solved, 100 unsolved in 20011 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 64/64 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 100/100 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 26625ms problems are : Problem set: 0 solved, 100 unsolved
Search for dead transitions found 0 dead transitions in 26626ms
[2025-06-08 00:25:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:25:09] [INFO ] Implicit Places using invariants in 50 ms returned []
[2025-06-08 00:25:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-08 00:25:09] [INFO ] State equation strengthened by 28 read => feed constraints.
[2025-06-08 00:25:09] [INFO ] Implicit Places using invariants and state equation in 168 ms returned []
Implicit Place search using SMT with State Equation took 219 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-08 00:25:09] [INFO ] Redundant transitions in 2 ms returned []
Running 100 sub problems to find dead transitions.
[2025-06-08 00:25:09] [INFO ] Invariant cache hit.
[2025-06-08 00:25:09] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 3 (OVERLAPS) 2/64 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 5 (OVERLAPS) 128/192 variables, 64/81 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 28/109 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:25:11] [INFO ] Deduced a trap along path composed of 5 places in 30 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-08 00:25:11] [INFO ] Deduced a trap along path composed of 5 places in 27 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 9 (OVERLAPS) 0/192 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 100 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 111 constraints, problems are : Problem set: 0 solved, 100 unsolved in 6411 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 64/64 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 100/100 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 100 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 3 (OVERLAPS) 2/64 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 5 (OVERLAPS) 128/192 variables, 64/81 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 28/109 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/192 variables, 100/209 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/192 variables, 2/211 constraints. Problems are: Problem set: 0 solved, 100 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 192/192 variables, and 211 constraints, problems are : Problem set: 0 solved, 100 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 64/64 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 100/100 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 36452ms problems are : Problem set: 0 solved, 100 unsolved
Search for dead transitions found 0 dead transitions in 36452ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 63315 ms. Remains : 64/64 places, 128/128 transitions.
Computed a total of 4 stabilizing places and 29 stable transitions
Computed a total of 4 stabilizing places and 29 stable transitions
Detected a total of 4/64 stabilizing places and 29/128 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Knowledge based reduction with 3 factoid took 130 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
RANDOM walk for 14 steps (0 resets) in 4 ms. (2 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0))), (F p0)]
Knowledge based reduction with 3 factoid took 147 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
[2025-06-08 00:25:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-08 00:25:46] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-08 00:25:46] [INFO ] [Real]Absence check using 16 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-08 00:25:46] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-06-08 00:25:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-08 00:25:46] [INFO ] [Nat]Absence check using 16 positive place invariants in 2 ms returned sat
[2025-06-08 00:25:46] [INFO ] [Nat]Absence check using 16 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-08 00:25:46] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2025-06-08 00:25:46] [INFO ] State equation strengthened by 28 read => feed constraints.
[2025-06-08 00:25:46] [INFO ] [Nat]Added 28 Read/Feed constraints in 9 ms returned sat
[2025-06-08 00:25:46] [INFO ] Computed and/alt/rep : 42/182/42 causal constraints (skipped 58 transitions) in 12 ms.
[2025-06-08 00:25:46] [INFO ] Added : 0 causal constraints over 0 iterations in 49 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
Product exploration explored 100000 steps with 2029 reset in 158 ms.
Product exploration explored 100000 steps with 2029 reset in 167 ms.
Built C files in :
/tmp/ltsmin9477533172622622527
[2025-06-08 00:25:47] [INFO ] Computing symmetric may disable matrix : 128 transitions.
[2025-06-08 00:25:47] [INFO ] Computation of Complete disable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-08 00:25:47] [INFO ] Computing symmetric may enable matrix : 128 transitions.
[2025-06-08 00:25:47] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-08 00:25:47] [INFO ] Computing Do-Not-Accords matrix : 128 transitions.
[2025-06-08 00:25:47] [INFO ] Computation of Completed DNA matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-08 00:25:47] [INFO ] Built C files in 11ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9477533172622622527
Running compilation step : cd /tmp/ltsmin9477533172622622527;'/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 295 ms.
Running link step : cd /tmp/ltsmin9477533172622622527;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 36 ms.
Running LTSmin : cd /tmp/ltsmin9477533172622622527;'/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/stateBased11994095547150665722.hoa' '--buchi-type=spotba'
LTSmin run took 348 ms.
FORMULA CopsAndRobbers-PT-HRL014X002-LTLFireability-15 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property CopsAndRobbers-PT-HRL014X002-LTLFireability-15 finished in 129585 ms.
All properties solved by simple procedures.
Total runtime 599845 ms.
BK_STOP 1749342348082
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CopsAndRobbers-PT-HRL014X002"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is CopsAndRobbers-PT-HRL014X002, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r254-tall-174931339500204"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-HRL014X002.tgz
mv CopsAndRobbers-PT-HRL014X002 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;