Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r002-oct2-177944366500599.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is AutoFlight-PT-96b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366500599
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.3M
-rw-r--r-- 1 mcc users 7.1K Mar 5 16:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 5 16:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Mar 5 16:34 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K Mar 5 16:34 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:16 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:17 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:17 LTLFireability.xml
-rw-r--r-- 1 mcc users 5.8K Mar 5 16:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 47K Mar 5 16:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Mar 5 16:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K Mar 5 16:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:17 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:17 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.9M Mar 3 18:30 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-96b-ReachabilityFireability-2024-00
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-2024-01
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-2024-02
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-2024-03
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-2024-04
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-2024-05
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-2024-06
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-2024-07
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-2024-08
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-2024-09
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-2024-10
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-2024-11
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-2024-12
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-2024-13
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-2024-14
FORMULA_NAME AutoFlight-PT-96b-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779497873733

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-96b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 00:57:55] [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]
[2026-05-23 00:57:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 00:57:55] [INFO ] Load time of PNML (sax parser for PT used): 296 ms
[2026-05-23 00:57:55] [INFO ] Transformed 7894 places.
[2026-05-23 00:57:55] [INFO ] Transformed 7868 transitions.
[2026-05-23 00:57:55] [INFO ] Found NUPN structural information;
[2026-05-23 00:57:56] [INFO ] Parsed PT model containing 7894 places and 7868 transitions and 18200 arcs in 729 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (8 resets) in 2417 ms. (16 steps per ms) remains 10/16 properties
FORMULA AutoFlight-PT-96b-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-96b-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-96b-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-96b-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-96b-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-96b-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (8 resets) in 570 ms. (70 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 599 ms. (66 steps per ms) remains 10/10 properties
[2026-05-23 00:57:57] [INFO ] Flatten gal took : 533 ms
BEST_FIRST walk for 40004 steps (8 resets) in 212 ms. (187 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 148 ms. (268 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 111 ms. (357 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 169 ms. (235 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 73 ms. (540 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 77 ms. (512 steps per ms) remains 10/10 properties
[2026-05-23 00:57:57] [INFO ] Flatten gal took : 279 ms
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11828736125630879507.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7358168312668994683.kers'
[2026-05-23 00:57:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11828736125630879507.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7358168312668994683.kers]
Culled 0 columns in 5 ms.
// Phase 1: matrix 7868 rows 7894 cols 18200 entries
[2026-05-23 00:57:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13424740720212051459.gal : 153 ms
[2026-05-23 00:57:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10606654129045801304.prop : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13424740720212051459.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10606654129045801304.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Finished phase 1 with 7276 SingleSign rule and 104 generalized
[2026-05-23 00:57:58] [INFO ] Computed 514 invariants in 181 ms
Computed 514 P flows in 183 ms.
Exported basis to /tmp/petrispot-output-7358168312668994683.kers
Total runtime 190 ms.
Excessive predecessor constraint size, skipping predecessor.
Loading property file /tmp/ReachabilityCardinality10606654129045801304.prop.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/190 variables, 190/190 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/190 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (OVERLAPS) 6964/7154 variables, 434/624 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7154 variables, 6964/7588 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 7154/15762 variables, and 7588 constraints, problems are : Problem set: 0 solved, 10 unsolved in 5068 ms.
Refiners :[Domain max(s): 7154/7894 constraints, Positive P Invariants (semi-flows): 434/513 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/7894 constraints, PredecessorRefiner: 10/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/190 variables, 190/190 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/190 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Problem AutoFlight-PT-96b-ReachabilityFireability-2024-04 is UNSAT
FORMULA AutoFlight-PT-96b-ReachabilityFireability-2024-04 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 6964/7154 variables, 434/624 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7154 variables, 6964/7588 constraints. Problems are: Problem set: 1 solved, 9 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 7154/15762 variables, and 7588 constraints, problems are : Problem set: 1 solved, 9 unsolved in 5018 ms.
Refiners :[Domain max(s): 7154/7894 constraints, Positive P Invariants (semi-flows): 434/513 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/7894 constraints, PredecessorRefiner: 3/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10814ms problems are : Problem set: 1 solved, 9 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 123 out of 7894 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 7894/7894 places, 7868/7868 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3250 transitions
Trivial Post-agglo rules discarded 3250 transitions
Performed 3250 trivial Post agglomeration. Transition count delta: 3250
Iterating post reduction 0 with 3250 rules applied. Total rules applied 3250 place count 7894 transition count 4618
Reduce places removed 3250 places and 0 transitions.
Ensure Unique test removed 362 transitions
Reduce isomorphic transitions removed 362 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 176 transitions
Trivial Post-agglo rules discarded 176 transitions
Performed 176 trivial Post agglomeration. Transition count delta: 176
Iterating post reduction 1 with 3788 rules applied. Total rules applied 7038 place count 4644 transition count 4080
Reduce places removed 176 places and 0 transitions.
Performed 64 Post agglomeration using F-continuation condition.Transition count delta: 64
Iterating post reduction 2 with 240 rules applied. Total rules applied 7278 place count 4468 transition count 4016
Reduce places removed 64 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 3 with 72 rules applied. Total rules applied 7350 place count 4404 transition count 4008
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 7351 place count 4403 transition count 4008
Performed 979 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 979 Pre rules applied. Total rules applied 7351 place count 4403 transition count 3029
Deduced a syphon composed of 979 places in 42 ms
Reduce places removed 979 places and 0 transitions.
Iterating global reduction 5 with 1958 rules applied. Total rules applied 9309 place count 3424 transition count 3029
Discarding 646 places :
Symmetric choice reduction at 5 with 646 rule applications. Total rules 9955 place count 2778 transition count 2383
Iterating global reduction 5 with 646 rules applied. Total rules applied 10601 place count 2778 transition count 2383
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 10603 place count 2778 transition count 2381
Performed 204 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 204 Pre rules applied. Total rules applied 10603 place count 2778 transition count 2177
Deduced a syphon composed of 204 places in 21 ms
Reduce places removed 204 places and 0 transitions.
Iterating global reduction 6 with 408 rules applied. Total rules applied 11011 place count 2574 transition count 2177
Performed 634 Post agglomeration using F-continuation condition.Transition count delta: 634
Deduced a syphon composed of 634 places in 2 ms
Reduce places removed 634 places and 0 transitions.
Iterating global reduction 6 with 1268 rules applied. Total rules applied 12279 place count 1940 transition count 1543
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 12283 place count 1938 transition count 1543
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 6 with 10 rules applied. Total rules applied 12293 place count 1938 transition count 1533
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 12297 place count 1936 transition count 1531
Free-agglomeration rule applied 275 times.
Iterating global reduction 6 with 275 rules applied. Total rules applied 12572 place count 1936 transition count 1256
Reduce places removed 275 places and 0 transitions.
Iterating post reduction 6 with 275 rules applied. Total rules applied 12847 place count 1661 transition count 1256
Applied a total of 12847 rules in 2071 ms. Remains 1661 /7894 variables (removed 6233) and now considering 1256/7868 (removed 6612) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2079 ms. Remains : 1661/7894 places, 1256/7868 transitions.
RANDOM walk for 40000 steps (187 resets) in 1103 ms. (36 steps per ms) remains 3/9 properties
FORMULA AutoFlight-PT-96b-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-96b-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-96b-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-96b-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-96b-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-96b-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (14 resets) in 317 ms. (125 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 227 ms. (175 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (12 resets) in 372 ms. (107 steps per ms) remains 3/3 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5960896960172140141.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10590378836444333631.kers'
[2026-05-23 00:58:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5960896960172140141.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10590378836444333631.kers]
Culling duplicate invariants (modulo rational): removing 251 columns.
Culled 251 columns in 1 ms.
// Phase 1: matrix 1256 rows 1410 cols 3537 entries
Finished phase 1 with 1043 SingleSign rule and 104 generalized
[2026-05-23 00:58:11] [INFO ] Computed 514 invariants in 6 ms
Computed 514 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-10590378836444333631.kers
Total runtime 7 ms.
[2026-05-23 00:58:11] [INFO ] State equation strengthened by 699 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 745/801 variables, 98/98 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/801 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 641/1442 variables, 197/295 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1442 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 219/1661 variables, 219/514 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1661 variables, 0/514 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 1256/2917 variables, 1661/2175 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2917 variables, 699/2874 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2917 variables, 0/2874 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/2917 variables, 0/2874 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2917/2917 variables, and 2874 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2749 ms.
Refiners :[Positive P Invariants (semi-flows): 295/295 constraints, Generalized P Invariants (flows): 219/219 constraints, State Equation: 1661/1661 constraints, ReadFeed: 699/699 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/56 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 745/801 variables, 98/98 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/801 variables, 17/115 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/801 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 641/1442 variables, 197/312 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1442 variables, 20/332 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1442 variables, 1/333 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1442 variables, 1/334 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1442 variables, 0/334 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 219/1661 variables, 219/553 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1661 variables, 8/561 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1661 variables, 1/562 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1661 variables, 0/562 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 1256/2917 variables, 1661/2223 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2917 variables, 699/2922 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/2917 variables, 1/2923 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/2917 variables, 1/2924 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/2917 variables, 0/2924 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (OVERLAPS) 0/2917 variables, 0/2924 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2917/2917 variables, and 2924 constraints, problems are : Problem set: 0 solved, 3 unsolved in 22043 ms.
Refiners :[Positive P Invariants (semi-flows): 295/295 constraints, Generalized P Invariants (flows): 219/219 constraints, State Equation: 1661/1661 constraints, ReadFeed: 699/699 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 48/48 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 24861ms problems are : Problem set: 0 solved, 3 unsolved
FORMULA AutoFlight-PT-96b-ReachabilityFireability-2024-08 TRUE TECHNIQUES PARIKH_WALK
FORMULA AutoFlight-PT-96b-ReachabilityFireability-2024-14 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 801 ms.
Support contains 36 out of 1661 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1661/1661 places, 1256/1256 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 46 transitions
Trivial Post-agglo rules discarded 46 transitions
Performed 46 trivial Post agglomeration. Transition count delta: 46
Iterating post reduction 0 with 46 rules applied. Total rules applied 46 place count 1661 transition count 1210
Reduce places removed 46 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 49 rules applied. Total rules applied 95 place count 1615 transition count 1207
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 97 place count 1613 transition count 1207
Performed 22 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 22 Pre rules applied. Total rules applied 97 place count 1613 transition count 1185
Deduced a syphon composed of 22 places in 1 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 3 with 44 rules applied. Total rules applied 141 place count 1591 transition count 1185
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 142 place count 1590 transition count 1184
Iterating global reduction 3 with 1 rules applied. Total rules applied 143 place count 1590 transition count 1184
Performed 58 Post agglomeration using F-continuation condition with reduction of 1 identical transitions.
Deduced a syphon composed of 58 places in 0 ms
Reduce places removed 58 places and 0 transitions.
Iterating global reduction 3 with 116 rules applied. Total rules applied 259 place count 1532 transition count 1125
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 262 place count 1532 transition count 1122
Renaming transitions due to excessive name length > 1024 char.
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 4 with 2 rules applied. Total rules applied 264 place count 1531 transition count 1121
Free-agglomeration rule applied 13 times.
Iterating global reduction 4 with 13 rules applied. Total rules applied 277 place count 1531 transition count 1108
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 4 with 13 rules applied. Total rules applied 290 place count 1518 transition count 1108
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 291 place count 1517 transition count 1107
Reduce places removed 95 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 5 with 107 rules applied. Total rules applied 398 place count 1422 transition count 1095
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 6 with 12 rules applied. Total rules applied 410 place count 1410 transition count 1095
Performed 83 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 83 Pre rules applied. Total rules applied 410 place count 1410 transition count 1012
Deduced a syphon composed of 83 places in 1 ms
Reduce places removed 83 places and 0 transitions.
Iterating global reduction 7 with 166 rules applied. Total rules applied 576 place count 1327 transition count 1012
Applied a total of 576 rules in 384 ms. Remains 1327 /1661 variables (removed 334) and now considering 1012/1256 (removed 244) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 384 ms. Remains : 1327/1661 places, 1012/1256 transitions.
RANDOM walk for 40000 steps (84 resets) in 646 ms. (61 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (9 resets) in 351 ms. (113 steps per ms) remains 1/1 properties
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 3
Interrupted probabilistic random walk after 93744 steps, run timeout after 3001 ms. (steps per millisecond=31 ) properties seen :0 out of 1
Probabilistic random walk after 93744 steps, saw 37228 distinct states, run finished after 3008 ms. (steps per millisecond=31 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-407270803478025808.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12019274095228907698.kers'
[2026-05-23 00:58:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-407270803478025808.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12019274095228907698.kers]
Culling duplicate invariants (modulo rational): removing 284 columns.
Culled 284 columns in 1 ms.
// Phase 1: matrix 1012 rows 1043 cols 2693 entries
Finished phase 1 with 804 SingleSign rule and 104 generalized
[2026-05-23 00:58:40] [INFO ] Computed 419 invariants in 5 ms
Computed 419 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-12019274095228907698.kers
Total runtime 8 ms.
[2026-05-23 00:58:40] [INFO ] State equation strengthened by 653 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 347/383 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/383 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 590/973 variables, 94/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/973 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 212/1185 variables, 212/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1185 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1012/2197 variables, 1185/1533 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2197 variables, 653/2186 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2197 variables, 0/2186 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 142/2339 variables, 142/2328 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2339 variables, 71/2399 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2339 variables, 0/2399 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/2339 variables, 0/2399 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2339/2339 variables, and 2399 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1155 ms.
Refiners :[Positive P Invariants (semi-flows): 207/207 constraints, Generalized P Invariants (flows): 212/212 constraints, State Equation: 1327/1327 constraints, ReadFeed: 653/653 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 347/383 variables, 42/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/383 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 590/973 variables, 94/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/973 variables, 5/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/973 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 212/1185 variables, 212/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1185 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1012/2197 variables, 1185/1538 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2197 variables, 653/2191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2197 variables, 0/2191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 142/2339 variables, 142/2333 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2339 variables, 71/2404 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2339 variables, 0/2404 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/2339 variables, 0/2404 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2339/2339 variables, and 2404 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3108 ms.
Refiners :[Positive P Invariants (semi-flows): 207/207 constraints, Generalized P Invariants (flows): 212/212 constraints, State Equation: 1327/1327 constraints, ReadFeed: 653/653 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4296ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 1193 steps, including 15 resets, run visited all 1 properties in 30 ms. (steps per millisecond=39 )
FORMULA AutoFlight-PT-96b-ReachabilityFireability-2024-09 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 44 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 49816 ms.

BK_STOP 1779497925173

--------------------
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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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-96b"
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 2-5973"
echo " Executing tool itstools"
echo " Input is AutoFlight-PT-96b, 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-oct2-177944366500599"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-96b.tgz
mv AutoFlight-PT-96b 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 ;