fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r002-tall-174853729500551
Last Updated
June 24, 2025

About the Execution of ITS-Tools for AutoFlight-PT-12b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 27432.00 0.00 0.00 TTTFTTTFTTFTTTFT normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r002-tall-174853729500551.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)
.................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is AutoFlight-PT-12b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-tall-174853729500551
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 724K
-rw-r--r-- 1 mcc users 8.4K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 98K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.3K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 119K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 50K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 266K May 29 14:32 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME AutoFlight-PT-12b-ReachabilityFireability-2025-00
FORMULA_NAME AutoFlight-PT-12b-ReachabilityFireability-2025-01
FORMULA_NAME AutoFlight-PT-12b-ReachabilityFireability-2025-02
FORMULA_NAME AutoFlight-PT-12b-ReachabilityFireability-2025-03
FORMULA_NAME AutoFlight-PT-12b-ReachabilityFireability-2025-04
FORMULA_NAME AutoFlight-PT-12b-ReachabilityFireability-2025-05
FORMULA_NAME AutoFlight-PT-12b-ReachabilityFireability-2025-06
FORMULA_NAME AutoFlight-PT-12b-ReachabilityFireability-2025-07
FORMULA_NAME AutoFlight-PT-12b-ReachabilityFireability-2025-08
FORMULA_NAME AutoFlight-PT-12b-ReachabilityFireability-2025-09
FORMULA_NAME AutoFlight-PT-12b-ReachabilityFireability-2025-10
FORMULA_NAME AutoFlight-PT-12b-ReachabilityFireability-2025-11
FORMULA_NAME AutoFlight-PT-12b-ReachabilityFireability-2025-12
FORMULA_NAME AutoFlight-PT-12b-ReachabilityFireability-2025-13
FORMULA_NAME AutoFlight-PT-12b-ReachabilityFireability-2025-14
FORMULA_NAME AutoFlight-PT-12b-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748632964756

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutoFlight-PT-12b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-05-30 19:22:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-30 19:22:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 19:22:46] [INFO ] Load time of PNML (sax parser for PT used): 128 ms
[2025-05-30 19:22:46] [INFO ] Transformed 1126 places.
[2025-05-30 19:22:46] [INFO ] Transformed 1124 transitions.
[2025-05-30 19:22:46] [INFO ] Found NUPN structural information;
[2025-05-30 19:22:46] [INFO ] Parsed PT model containing 1126 places and 1124 transitions and 2618 arcs in 236 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (72 resets) in 1526 ms. (26 steps per ms) remains 9/16 properties
FORMULA AutoFlight-PT-12b-ReachabilityFireability-2025-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-12b-ReachabilityFireability-2025-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-12b-ReachabilityFireability-2025-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-12b-ReachabilityFireability-2025-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-12b-ReachabilityFireability-2025-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-12b-ReachabilityFireability-2025-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-12b-ReachabilityFireability-2025-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-05-30 19:22:46] [INFO ] Flatten gal took : 224 ms
BEST_FIRST walk for 40003 steps (8 resets) in 519 ms. (76 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 152 ms. (261 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 169 ms. (235 steps per ms) remains 8/9 properties
FORMULA AutoFlight-PT-12b-ReachabilityFireability-2025-04 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2025-05-30 19:22:47] [INFO ] Flatten gal took : 107 ms
BEST_FIRST walk for 40004 steps (8 resets) in 162 ms. (245 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 118 ms. (336 steps per ms) remains 8/8 properties
[2025-05-30 19:22:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality35782108295086924.gal : 133 ms
[2025-05-30 19:22:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15612845176482930445.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality35782108295086924.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15612845176482930445.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (8 resets) in 576 ms. (69 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 8/8 properties

its-reach command run as :

BEST_FIRST walk for 40004 steps (8 resets) in 157 ms. (253 steps per ms) remains 8/8 properties
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
BEST_FIRST walk for 40004 steps (8 resets) in 106 ms. (373 steps per ms) remains 8/8 properties
Loading property file /tmp/ReachabilityCardinality15612845176482930445.prop.
// Phase 1: matrix 1124 rows 1126 cols
[2025-05-30 19:22:47] [INFO ] Computed 76 invariants in 24 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 91/91 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 822/913 variables, 56/147 constraints. Problems are: Problem set: 0 solved, 8 unsolved
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :3 after 8
At refinement iteration 3 (INCLUDED_ONLY) 0/913 variables, 822/969 constraints. Problems are: Problem set: 0 solved, 8 unsolved
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :8 after 17
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :17 after 34
At refinement iteration 4 (INCLUDED_ONLY) 0/913 variables, 0/969 constraints. Problems are: Problem set: 0 solved, 8 unsolved
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :34 after 68
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :68 after 511
At refinement iteration 5 (OVERLAPS) 155/1068 variables, 19/988 constraints. Problems are: Problem set: 0 solved, 8 unsolved
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :511 after 8.77433e+07
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :8.77433e+07 after 3.3187e+18
At refinement iteration 6 (INCLUDED_ONLY) 0/1068 variables, 155/1143 constraints. Problems are: Problem set: 0 solved, 8 unsolved
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :3.3187e+18 after 6.2762e+39
At refinement iteration 7 (INCLUDED_ONLY) 0/1068 variables, 0/1143 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 58/1126 variables, 1/1144 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Reachability property AutoFlight-PT-12b-ReachabilityFireability-2025-15 is true.
FORMULA AutoFlight-PT-12b-ReachabilityFireability-2025-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,7 properties remain. new max is 1024
SDD size :6.2762e+39 after 1.12772e+62
At refinement iteration 9 (INCLUDED_ONLY) 0/1126 variables, 58/1202 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1126 variables, 0/1202 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 11 (OVERLAPS) 1124/2250 variables, 1126/2328 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2250 variables, 0/2328 constraints. Problems are: Problem set: 1 solved, 7 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2250/2250 variables, and 2328 constraints, problems are : Problem set: 1 solved, 7 unsolved in 5057 ms.
Refiners :[Domain max(s): 1126/1126 constraints, Positive P Invariants (semi-flows): 75/75 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 1126/1126 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 7 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 87/87 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 0/87 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 811/898 variables, 54/141 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/898 variables, 811/952 constraints. Problems are: Problem set: 1 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:53] [INFO ] Deduced a trap composed of 28 places in 149 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:53] [INFO ] Deduced a trap composed of 35 places in 260 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:53] [INFO ] Deduced a trap composed of 36 places in 144 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:54] [INFO ] Deduced a trap composed of 39 places in 241 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:54] [INFO ] Deduced a trap composed of 78 places in 108 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:54] [INFO ] Deduced a trap composed of 87 places in 136 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:54] [INFO ] Deduced a trap composed of 96 places in 152 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:54] [INFO ] Deduced a trap composed of 43 places in 151 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:54] [INFO ] Deduced a trap composed of 56 places in 125 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:55] [INFO ] Deduced a trap composed of 62 places in 126 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:55] [INFO ] Deduced a trap composed of 44 places in 133 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:55] [INFO ] Deduced a trap composed of 57 places in 130 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:55] [INFO ] Deduced a trap composed of 63 places in 137 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:55] [INFO ] Deduced a trap composed of 82 places in 144 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:55] [INFO ] Deduced a trap composed of 92 places in 140 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:56] [INFO ] Deduced a trap composed of 101 places in 131 ms of which 22 ms to minimize.
Problem AutoFlight-PT-12b-ReachabilityFireability-2025-03 is UNSAT
FORMULA AutoFlight-PT-12b-ReachabilityFireability-2025-03 FALSE TECHNIQUES SMT_REFINEMENT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:56] [INFO ] Deduced a trap composed of 53 places in 117 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:56] [INFO ] Deduced a trap composed of 92 places in 91 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:56] [INFO ] Deduced a trap composed of 30 places in 60 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/898 variables, 19/971 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/898 variables, 0/971 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 170/1068 variables, 21/992 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1068 variables, 170/1162 constraints. Problems are: Problem set: 2 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:57] [INFO ] Deduced a trap composed of 31 places in 133 ms of which 11 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1068/2250 variables, and 1163 constraints, problems are : Problem set: 2 solved, 6 unsolved in 5009 ms.
Refiners :[Domain max(s): 1068/1126 constraints, Positive P Invariants (semi-flows): 75/75 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/1126 constraints, PredecessorRefiner: 0/8 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10175ms problems are : Problem set: 2 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 76 out of 1126 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1126/1126 places, 1124/1124 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 365 transitions
Trivial Post-agglo rules discarded 365 transitions
Performed 365 trivial Post agglomeration. Transition count delta: 365
Iterating post reduction 0 with 365 rules applied. Total rules applied 365 place count 1126 transition count 759
Reduce places removed 365 places and 0 transitions.
Ensure Unique test removed 47 transitions
Reduce isomorphic transitions removed 47 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 1 with 428 rules applied. Total rules applied 793 place count 761 transition count 696
Reduce places removed 16 places and 0 transitions.
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: 29
Iterating post reduction 2 with 45 rules applied. Total rules applied 838 place count 745 transition count 667
Reduce places removed 29 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 3 with 33 rules applied. Total rules applied 871 place count 716 transition count 663
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 872 place count 715 transition count 663
Performed 132 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 132 Pre rules applied. Total rules applied 872 place count 715 transition count 531
Deduced a syphon composed of 132 places in 17 ms
Reduce places removed 132 places and 0 transitions.
Iterating global reduction 5 with 264 rules applied. Total rules applied 1136 place count 583 transition count 531
Discarding 87 places :
Symmetric choice reduction at 5 with 87 rule applications. Total rules 1223 place count 496 transition count 444
Iterating global reduction 5 with 87 rules applied. Total rules applied 1310 place count 496 transition count 444
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 1312 place count 496 transition count 442
Performed 25 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 25 Pre rules applied. Total rules applied 1312 place count 496 transition count 417
Deduced a syphon composed of 25 places in 5 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 6 with 50 rules applied. Total rules applied 1362 place count 471 transition count 417
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: 101
Deduced a syphon composed of 101 places in 1 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 6 with 202 rules applied. Total rules applied 1564 place count 370 transition count 316
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 1566 place count 369 transition count 316
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 6 with 5 rules applied. Total rules applied 1571 place count 369 transition count 311
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 1575 place count 367 transition count 309
Free-agglomeration rule applied 35 times.
Iterating global reduction 6 with 35 rules applied. Total rules applied 1610 place count 367 transition count 274
Reduce places removed 35 places and 0 transitions.
Iterating post reduction 6 with 35 rules applied. Total rules applied 1645 place count 332 transition count 274
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 1646 place count 332 transition count 273
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 1647 place count 331 transition count 272
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 1648 place count 330 transition count 272
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 1 Pre rules applied. Total rules applied 1648 place count 330 transition count 271
Deduced a syphon composed of 1 places in 13 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 8 with 2 rules applied. Total rules applied 1650 place count 329 transition count 271
Applied a total of 1650 rules in 636 ms. Remains 329 /1126 variables (removed 797) and now considering 271/1124 (removed 853) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 647 ms. Remains : 329/1126 places, 271/1124 transitions.
RANDOM walk for 40000 steps (493 resets) in 940 ms. (42 steps per ms) remains 3/6 properties
FORMULA AutoFlight-PT-12b-ReachabilityFireability-2025-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-12b-ReachabilityFireability-2025-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-12b-ReachabilityFireability-2025-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (24 resets) in 388 ms. (102 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (35 resets) in 127 ms. (312 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (37 resets) in 150 ms. (264 steps per ms) remains 2/3 properties
FORMULA AutoFlight-PT-12b-ReachabilityFireability-2025-12 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
// Phase 1: matrix 271 rows 329 cols
[2025-05-30 19:22:58] [INFO ] Computed 75 invariants in 3 ms
[2025-05-30 19:22:58] [INFO ] State equation strengthened by 70 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 124/152 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/152 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 123/275 variables, 49/71 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/275 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 50/325 variables, 2/73 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 270/595 variables, 325/398 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/595 variables, 70/468 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/595 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 5/600 variables, 4/472 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/600 variables, 2/474 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/600 variables, 0/474 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/600 variables, 0/474 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 600/600 variables, and 474 constraints, problems are : Problem set: 0 solved, 2 unsolved in 567 ms.
Refiners :[Positive P Invariants (semi-flows): 73/73 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 329/329 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 124/152 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:59] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:59] [INFO ] Deduced a trap composed of 9 places in 70 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:59] [INFO ] Deduced a trap composed of 16 places in 104 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:59] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/152 variables, 4/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:59] [INFO ] Deduced a trap composed of 20 places in 45 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/152 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/152 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 123/275 variables, 49/76 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:59] [INFO ] Deduced a trap composed of 5 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:22:59] [INFO ] Deduced a trap composed of 9 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:00] [INFO ] Deduced a trap composed of 9 places in 146 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:00] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/275 variables, 4/80 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/275 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 50/325 variables, 2/82 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:00] [INFO ] Deduced a trap composed of 8 places in 82 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:00] [INFO ] Deduced a trap composed of 22 places in 69 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:00] [INFO ] Deduced a trap composed of 23 places in 72 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:00] [INFO ] Deduced a trap composed of 23 places in 57 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:00] [INFO ] Deduced a trap composed of 25 places in 62 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:00] [INFO ] Deduced a trap composed of 27 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:00] [INFO ] Deduced a trap composed of 69 places in 75 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:00] [INFO ] Deduced a trap composed of 22 places in 81 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:01] [INFO ] Deduced a trap composed of 30 places in 88 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:01] [INFO ] Deduced a trap composed of 32 places in 81 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:01] [INFO ] Deduced a trap composed of 93 places in 75 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:01] [INFO ] Deduced a trap composed of 95 places in 84 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:01] [INFO ] Deduced a trap composed of 96 places in 80 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:01] [INFO ] Deduced a trap composed of 101 places in 77 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:01] [INFO ] Deduced a trap composed of 95 places in 83 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:01] [INFO ] Deduced a trap composed of 97 places in 75 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:01] [INFO ] Deduced a trap composed of 95 places in 68 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:01] [INFO ] Deduced a trap composed of 95 places in 123 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:01] [INFO ] Deduced a trap composed of 102 places in 127 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:02] [INFO ] Deduced a trap composed of 94 places in 87 ms of which 12 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 20/102 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:02] [INFO ] Deduced a trap composed of 96 places in 104 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:02] [INFO ] Deduced a trap composed of 98 places in 145 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:02] [INFO ] Deduced a trap composed of 102 places in 80 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:02] [INFO ] Deduced a trap composed of 96 places in 76 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:02] [INFO ] Deduced a trap composed of 96 places in 74 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:02] [INFO ] Deduced a trap composed of 103 places in 83 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:02] [INFO ] Deduced a trap composed of 105 places in 75 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:02] [INFO ] Deduced a trap composed of 104 places in 85 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:03] [INFO ] Deduced a trap composed of 102 places in 80 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:03] [INFO ] Deduced a trap composed of 102 places in 74 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:03] [INFO ] Deduced a trap composed of 104 places in 82 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:03] [INFO ] Deduced a trap composed of 104 places in 76 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:03] [INFO ] Deduced a trap composed of 98 places in 79 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:03] [INFO ] Deduced a trap composed of 98 places in 79 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:03] [INFO ] Deduced a trap composed of 100 places in 74 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:03] [INFO ] Deduced a trap composed of 100 places in 78 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:03] [INFO ] Deduced a trap composed of 107 places in 77 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:03] [INFO ] Deduced a trap composed of 102 places in 77 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:03] [INFO ] Deduced a trap composed of 111 places in 75 ms of which 13 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/325 variables, 19/121 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:04] [INFO ] Deduced a trap composed of 28 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:04] [INFO ] Deduced a trap composed of 18 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:04] [INFO ] Deduced a trap composed of 30 places in 62 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:04] [INFO ] Deduced a trap composed of 34 places in 77 ms of which 7 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/325 variables, 4/125 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:04] [INFO ] Deduced a trap composed of 95 places in 83 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:04] [INFO ] Deduced a trap composed of 111 places in 74 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:04] [INFO ] Deduced a trap composed of 109 places in 73 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:04] [INFO ] Deduced a trap composed of 32 places in 79 ms of which 14 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/325 variables, 4/129 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:04] [INFO ] Deduced a trap composed of 27 places in 57 ms of which 4 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/325 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/325 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 270/595 variables, 325/455 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/595 variables, 70/525 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/595 variables, 2/527 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/595 variables, 0/527 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 5/600 variables, 4/531 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/600 variables, 2/533 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/600 variables, 0/533 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/600 variables, 0/533 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 600/600 variables, and 533 constraints, problems are : Problem set: 0 solved, 2 unsolved in 6498 ms.
Refiners :[Positive P Invariants (semi-flows): 73/73 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 329/329 constraints, ReadFeed: 70/70 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 57/57 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7086ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 331 ms.
Support contains 28 out of 329 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 329/329 places, 271/271 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 23 transitions
Trivial Post-agglo rules discarded 23 transitions
Performed 23 trivial Post agglomeration. Transition count delta: 23
Iterating post reduction 0 with 23 rules applied. Total rules applied 23 place count 329 transition count 248
Reduce places removed 23 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 26 rules applied. Total rules applied 49 place count 306 transition count 245
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 51 place count 304 transition count 245
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 12 Pre rules applied. Total rules applied 51 place count 304 transition count 233
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 75 place count 292 transition count 233
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 76 place count 291 transition count 232
Iterating global reduction 3 with 1 rules applied. Total rules applied 77 place count 291 transition count 232
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 77 place count 291 transition count 231
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 79 place count 290 transition count 231
Performed 22 Post agglomeration using F-continuation condition.Transition count delta: 22
Deduced a syphon composed of 22 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 3 with 45 rules applied. Total rules applied 124 place count 267 transition count 209
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 124 place count 267 transition count 208
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 126 place count 266 transition count 208
Free-agglomeration rule applied 13 times.
Iterating global reduction 3 with 13 rules applied. Total rules applied 139 place count 266 transition count 195
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 3 with 13 rules applied. Total rules applied 152 place count 253 transition count 195
Applied a total of 152 rules in 58 ms. Remains 253 /329 variables (removed 76) and now considering 195/271 (removed 76) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58 ms. Remains : 253/329 places, 195/271 transitions.
RANDOM walk for 40000 steps (688 resets) in 280 ms. (142 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (61 resets) in 193 ms. (206 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (102 resets) in 125 ms. (317 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 1037219 steps, run timeout after 3001 ms. (steps per millisecond=345 ) properties seen :0 out of 2
Probabilistic random walk after 1037219 steps, saw 124093 distinct states, run finished after 3006 ms. (steps per millisecond=345 ) properties seen :0
// Phase 1: matrix 195 rows 253 cols
[2025-05-30 19:23:09] [INFO ] Computed 74 invariants in 2 ms
[2025-05-30 19:23:09] [INFO ] State equation strengthened by 104 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 101/129 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/129 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 83/212 variables, 49/71 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 39/251 variables, 2/73 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/251 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 195/446 variables, 251/324 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/446 variables, 104/428 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/446 variables, 0/428 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 2/448 variables, 2/430 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/448 variables, 1/431 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/448 variables, 0/431 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/448 variables, 0/431 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 448/448 variables, and 431 constraints, problems are : Problem set: 0 solved, 2 unsolved in 334 ms.
Refiners :[Positive P Invariants (semi-flows): 72/72 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 253/253 constraints, ReadFeed: 104/104 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 101/129 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:09] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/129 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 83/212 variables, 49/72 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:10] [INFO ] Deduced a trap composed of 5 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:10] [INFO ] Deduced a trap composed of 8 places in 27 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 2/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/212 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 39/251 variables, 2/76 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:10] [INFO ] Deduced a trap composed of 14 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:10] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:10] [INFO ] Deduced a trap composed of 12 places in 69 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:10] [INFO ] Deduced a trap composed of 16 places in 67 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:10] [INFO ] Deduced a trap composed of 29 places in 73 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:10] [INFO ] Deduced a trap composed of 100 places in 68 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:10] [INFO ] Deduced a trap composed of 102 places in 75 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:10] [INFO ] Deduced a trap composed of 102 places in 69 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:10] [INFO ] Deduced a trap composed of 104 places in 66 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:10] [INFO ] Deduced a trap composed of 12 places in 73 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:10] [INFO ] Deduced a trap composed of 24 places in 69 ms of which 10 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/251 variables, 11/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/251 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 195/446 variables, 251/338 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/446 variables, 104/442 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/446 variables, 2/444 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 19:23:11] [INFO ] Deduced a trap along path composed of 38 places in 49 ms of which 4 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/446 variables, 1/445 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/446 variables, 0/445 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 2/448 variables, 2/447 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/448 variables, 1/448 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/448 variables, 0/448 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 0/448 variables, 0/448 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 448/448 variables, and 448 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2217 ms.
Refiners :[Positive P Invariants (semi-flows): 72/72 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 253/253 constraints, ReadFeed: 104/104 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 2566ms problems are : Problem set: 0 solved, 2 unsolved
FORMULA AutoFlight-PT-12b-ReachabilityFireability-2025-10 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 149 steps, including 1 resets, run visited all 1 properties in 2 ms. (steps per millisecond=74 )
FORMULA AutoFlight-PT-12b-ReachabilityFireability-2025-11 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 38 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 26209 ms.

BK_STOP 1748632992188

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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 ReachabilityFireability -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="AutoFlight-PT-12b"
export BK_EXAMINATION="ReachabilityFireability"
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 AutoFlight-PT-12b, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r002-tall-174853729500551"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-12b.tgz
mv AutoFlight-PT-12b execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;