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-oct2-177944366400535.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)
........................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is AutoFlight-PT-06b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366400535
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 528K
-rw-r--r-- 1 mcc users 7.2K Mar 5 16:35 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 5 16:35 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Mar 5 16:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 5 16:35 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 3.5K Mar 15 07:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 07:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.1K Mar 5 16:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 91K Mar 5 16:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 5 16:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 50K Mar 5 16:35 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:14 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 134K 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-06b-ReachabilityFireability-2024-00
FORMULA_NAME AutoFlight-PT-06b-ReachabilityFireability-2024-01
FORMULA_NAME AutoFlight-PT-06b-ReachabilityFireability-2024-02
FORMULA_NAME AutoFlight-PT-06b-ReachabilityFireability-2024-03
FORMULA_NAME AutoFlight-PT-06b-ReachabilityFireability-2024-04
FORMULA_NAME AutoFlight-PT-06b-ReachabilityFireability-2024-05
FORMULA_NAME AutoFlight-PT-06b-ReachabilityFireability-2024-06
FORMULA_NAME AutoFlight-PT-06b-ReachabilityFireability-2024-07
FORMULA_NAME AutoFlight-PT-06b-ReachabilityFireability-2024-08
FORMULA_NAME AutoFlight-PT-06b-ReachabilityFireability-2024-09
FORMULA_NAME AutoFlight-PT-06b-ReachabilityFireability-2024-10
FORMULA_NAME AutoFlight-PT-06b-ReachabilityFireability-2024-11
FORMULA_NAME AutoFlight-PT-06b-ReachabilityFireability-2024-12
FORMULA_NAME AutoFlight-PT-06b-ReachabilityFireability-2024-13
FORMULA_NAME AutoFlight-PT-06b-ReachabilityFireability-2024-14
FORMULA_NAME AutoFlight-PT-06b-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779493192279

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-06b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-22 23:39:53] [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]
[2026-05-22 23:39:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 23:39:54] [INFO ] Load time of PNML (sax parser for PT used): 117 ms
[2026-05-22 23:39:54] [INFO ] Transformed 574 places.
[2026-05-22 23:39:54] [INFO ] Transformed 572 transitions.
[2026-05-22 23:39:54] [INFO ] Found NUPN structural information;
[2026-05-22 23:39:54] [INFO ] Parsed PT model containing 574 places and 572 transitions and 1334 arcs in 242 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 20 ms.
Working with output stream class java.io.PrintStream
[2026-05-22 23:39:54] [INFO ] Flatten gal took : 94 ms
[2026-05-22 23:39:54] [INFO ] Flatten gal took : 83 ms
[2026-05-22 23:39:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13368288077094780297.gal : 40 ms
[2026-05-22 23:39:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality986782836238242784.prop : 2 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/ReachabilityCardinality13368288077094780297.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality986782836238242784.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 ...328
RANDOM walk for 40000 steps (137 resets) in 2181 ms. (18 steps per ms) remains 4/16 properties
FORMULA AutoFlight-PT-06b-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-06b-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-06b-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-06b-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-06b-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-06b-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-06b-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-06b-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-06b-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-06b-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-06b-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-06b-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Loading property file /tmp/ReachabilityCardinality986782836238242784.prop.
BEST_FIRST walk for 40004 steps (12 resets) in 296 ms. (134 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (11 resets) in 184 ms. (216 steps per ms) remains 4/4 properties
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :3 after 8
Reachability property AutoFlight-PT-06b-ReachabilityFireability-2024-05 is true.
SDD proceeding with computation,15 properties remain. new max is 8
SDD size :8 after 17
Reachability property AutoFlight-PT-06b-ReachabilityFireability-2024-13 is true.
Reachability property AutoFlight-PT-06b-ReachabilityFireability-2024-07 is true.
Reachability property AutoFlight-PT-06b-ReachabilityFireability-2024-03 is true.
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :17 after 26
Invariant property AutoFlight-PT-06b-ReachabilityFireability-2024-06 does not hold.
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :26 after 35
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :35 after 39
BEST_FIRST walk for 40004 steps (12 resets) in 587 ms. (68 steps per ms) remains 4/4 properties
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :39 after 81
Reachability property AutoFlight-PT-06b-ReachabilityFireability-2024-08 is true.
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :81 after 3187
Reachability property AutoFlight-PT-06b-ReachabilityFireability-2024-11 is true.
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :3187 after 198991
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :198991 after 9.74927e+06
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :9.74927e+06 after 4.29942e+09
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :4.29942e+09 after 8.36155e+14
BEST_FIRST walk for 40004 steps (12 resets) in 282 ms. (141 steps per ms) remains 4/4 properties
Reachability property AutoFlight-PT-06b-ReachabilityFireability-2024-12 is true.
Reachability property AutoFlight-PT-06b-ReachabilityFireability-2024-10 is true.
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :8.36155e+14 after 8.53228e+23
SDD proceeding with computation,7 properties remain. new max is 512
SDD size :8.53228e+23 after 8.03157e+31
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9554033307518279156.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10892540948060290434.kers'
[2026-05-22 23:39:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9554033307518279156.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10892540948060290434.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 572 rows 574 cols 1334 entries
Finished phase 1 with 526 SingleSign rule and 8 generalized
[2026-05-22 23:39:55] [INFO ] Computed 40 invariants in 2 ms
Computed 40 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-10892540948060290434.kers
Total runtime 3 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 97/97 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 477/574 variables, 39/136 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/574 variables, 477/613 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/574 variables, 1/614 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/574 variables, 0/614 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 572/1146 variables, 574/1188 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1146 variables, 0/1188 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/1146 variables, 0/1188 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1146/1146 variables, and 1188 constraints, problems are : Problem set: 0 solved, 4 unsolved in 3387 ms.
Refiners :[Domain max(s): 574/574 constraints, Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 574/574 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 97/97 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem AutoFlight-PT-06b-ReachabilityFireability-2024-09 is UNSAT
FORMULA AutoFlight-PT-06b-ReachabilityFireability-2024-09 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 477/574 variables, 39/136 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/574 variables, 477/613 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/574 variables, 1/614 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/574 variables, 20/634 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SMT process timed out in 8701ms, After SMT, problems are : Problem set: 1 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 75 out of 574 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 574/574 places, 572/572 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 155 transitions
Trivial Post-agglo rules discarded 155 transitions
Performed 155 trivial Post agglomeration. Transition count delta: 155
Iterating post reduction 0 with 155 rules applied. Total rules applied 155 place count 574 transition count 417
Reduce places removed 155 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 1 with 175 rules applied. Total rules applied 330 place count 419 transition count 397
Reduce places removed 4 places and 0 transitions.
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: 21
Iterating post reduction 2 with 25 rules applied. Total rules applied 355 place count 415 transition count 376
Reduce places removed 21 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 27 rules applied. Total rules applied 382 place count 394 transition count 370
Performed 58 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 58 Pre rules applied. Total rules applied 382 place count 394 transition count 312
Deduced a syphon composed of 58 places in 1 ms
Reduce places removed 58 places and 0 transitions.
Iterating global reduction 4 with 116 rules applied. Total rules applied 498 place count 336 transition count 312
Discarding 42 places :
Symmetric choice reduction at 4 with 42 rule applications. Total rules 540 place count 294 transition count 270
Iterating global reduction 4 with 42 rules applied. Total rules applied 582 place count 294 transition count 270
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 583 place count 294 transition count 269
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 12 Pre rules applied. Total rules applied 583 place count 294 transition count 257
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 5 with 24 rules applied. Total rules applied 607 place count 282 transition count 257
Performed 47 Post agglomeration using F-continuation condition.Transition count delta: 47
Deduced a syphon composed of 47 places in 0 ms
Reduce places removed 47 places and 0 transitions.
Iterating global reduction 5 with 94 rules applied. Total rules applied 701 place count 235 transition count 210
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 5 with 6 rules applied. Total rules applied 707 place count 232 transition count 211
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 5 with 3 rules applied. Total rules applied 710 place count 232 transition count 208
Free-agglomeration rule applied 12 times.
Iterating global reduction 5 with 12 rules applied. Total rules applied 722 place count 232 transition count 196
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 5 with 12 rules applied. Total rules applied 734 place count 220 transition count 196
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 735 place count 220 transition count 195
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 736 place count 219 transition count 194
Applied a total of 736 rules in 179 ms. Remains 219 /574 variables (removed 355) and now considering 194/572 (removed 378) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 189 ms. Remains : 219/574 places, 194/572 transitions.
RANDOM walk for 40000 steps (489 resets) in 468 ms. (85 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (42 resets) in 148 ms. (268 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (46 resets) in 136 ms. (292 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (46 resets) in 218 ms. (182 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 988550 steps, run timeout after 3001 ms. (steps per millisecond=329 ) properties seen :0 out of 3
Probabilistic random walk after 988550 steps, saw 143859 distinct states, run finished after 3007 ms. (steps per millisecond=328 ) 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-17168016921041085468.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13321902978922414026.kers'
[2026-05-22 23:40:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17168016921041085468.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13321902978922414026.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 194 rows 215 cols 557 entries
Finished phase 1 with 171 SingleSign rule and 8 generalized
[2026-05-22 23:40:07] [INFO ] Computed 40 invariants in 0 ms
Computed 40 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13321902978922414026.kers
Total runtime 1 ms.
[2026-05-22 23:40:07] [INFO ] State equation strengthened by 22 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 134/209 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/209 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 8/217 variables, 6/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/217 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 2/219 variables, 2/40 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/219 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 194/413 variables, 219/259 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/413 variables, 22/281 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/413 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/413 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 413/413 variables, and 281 constraints, problems are : Problem set: 0 solved, 3 unsolved in 386 ms.
Refiners :[Positive P Invariants (semi-flows): 38/38 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 219/219 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 134/209 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/209 variables, 7/39 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/209 variables, 2/41 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/209 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/209 variables, 2/44 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/209 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 8/217 variables, 6/50 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/217 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/217 variables, 1/52 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/217 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 2/219 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/219 variables, 2/56 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/219 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/219 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/219 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 194/413 variables, 219/277 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/413 variables, 22/299 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/413 variables, 3/302 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/413 variables, 7/309 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem AutoFlight-PT-06b-ReachabilityFireability-2024-15 is UNSAT
FORMULA AutoFlight-PT-06b-ReachabilityFireability-2024-15 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 20 (INCLUDED_ONLY) 0/413 variables, 1/310 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/413 variables, 0/310 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/413 variables, 1/311 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/413 variables, 1/312 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/413 variables, 0/312 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 25 (OVERLAPS) 0/413 variables, 0/312 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 413/413 variables, and 312 constraints, problems are : Problem set: 1 solved, 2 unsolved in 4781 ms.
Refiners :[Positive P Invariants (semi-flows): 38/38 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 219/219 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 26/26 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 5220ms problems are : Problem set: 1 solved, 2 unsolved
Parikh walk visited 0 properties in 369 ms.
Support contains 47 out of 219 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 219/219 places, 194/194 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 219 transition count 185
Reduce places removed 9 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 1 with 12 rules applied. Total rules applied 21 place count 210 transition count 182
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 24 place count 207 transition count 182
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 24 place count 207 transition count 176
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 36 place count 201 transition count 176
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 37 place count 200 transition count 175
Iterating global reduction 3 with 1 rules applied. Total rules applied 38 place count 200 transition count 175
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 3 with 32 rules applied. Total rules applied 70 place count 184 transition count 159
Free-agglomeration rule applied 2 times.
Iterating global reduction 3 with 2 rules applied. Total rules applied 72 place count 184 transition count 157
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 74 place count 182 transition count 157
Applied a total of 74 rules in 21 ms. Remains 182 /219 variables (removed 37) and now considering 157/194 (removed 37) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 182/219 places, 157/194 transitions.
RANDOM walk for 40000 steps (704 resets) in 555 ms. (71 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (61 resets) in 158 ms. (251 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (62 resets) in 94 ms. (421 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 1467785 steps, run timeout after 3001 ms. (steps per millisecond=489 ) properties seen :0 out of 2
Probabilistic random walk after 1467785 steps, saw 211952 distinct states, run finished after 3001 ms. (steps per millisecond=489 ) 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-5341611543234986396.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17573454076852502875.kers'
[2026-05-22 23:40:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5341611543234986396.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17573454076852502875.kers]
Culling duplicate invariants (modulo rational): removing 9 columns.
Culled 9 columns in 0 ms.
// Phase 1: matrix 157 rows 173 cols 459 entries
Finished phase 1 with 134 SingleSign rule and 8 generalized
[2026-05-22 23:40:16] [INFO ] Computed 40 invariants in 0 ms
Computed 40 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17573454076852502875.kers
Total runtime 1 ms.
[2026-05-22 23:40:16] [INFO ] State equation strengthened by 30 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 120/167 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/167 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 9/176 variables, 7/34 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/176 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 6/182 variables, 6/40 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/182 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 157/339 variables, 182/222 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/339 variables, 30/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/339 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/339 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 339/339 variables, and 252 constraints, problems are : Problem set: 0 solved, 2 unsolved in 207 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 182/182 constraints, ReadFeed: 30/30 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
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 120/167 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/167 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/167 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/167 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 9/176 variables, 7/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/176 variables, 2/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/176 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 6/182 variables, 6/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/182 variables, 20/67 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 3/70 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 1/71 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/182 variables, 1/73 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/182 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 157/339 variables, 182/255 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/339 variables, 30/285 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/339 variables, 2/287 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/339 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 0/339 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 339/339 variables, and 287 constraints, problems are : Problem set: 0 solved, 2 unsolved in 3446 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 182/182 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 33/33 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3669ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 380 ms.
Support contains 47 out of 182 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 182/182 places, 157/157 transitions.
Applied a total of 0 rules in 5 ms. Remains 182 /182 variables (removed 0) and now considering 157/157 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 182/182 places, 157/157 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 182/182 places, 157/157 transitions.
Applied a total of 0 rules in 4 ms. Remains 182 /182 variables (removed 0) and now considering 157/157 (removed 0) transitions.
[2026-05-22 23:40:20] [INFO ] Invariant cache hit.
[2026-05-22 23:40:20] [INFO ] Implicit Places using invariants in 89 ms returned []
[2026-05-22 23:40:20] [INFO ] Invariant cache hit.
[2026-05-22 23:40:20] [INFO ] State equation strengthened by 30 read => feed constraints.
[2026-05-22 23:40:20] [INFO ] Implicit Places using invariants and state equation in 308 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 410 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 181/182 places, 157/157 transitions.
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 4 Pre rules applied. Total rules applied 0 place count 181 transition count 153
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 177 transition count 153
Applied a total of 8 rules in 5 ms. Remains 177 /181 variables (removed 4) and now considering 153/157 (removed 4) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2515830135486360424.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6625396612130057844.kers'
[2026-05-22 23:40:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2515830135486360424.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6625396612130057844.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 153 rows 169 cols 451 entries
Finished phase 1 with 130 SingleSign rule and 8 generalized
[2026-05-22 23:40:20] [INFO ] Computed 39 invariants in 0 ms
Computed 39 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6625396612130057844.kers
Total runtime 1 ms.
[2026-05-22 23:40:20] [INFO ] Implicit Places using invariants in 96 ms returned []
[2026-05-22 23:40:20] [INFO ] Invariant cache hit.
[2026-05-22 23:40:21] [INFO ] State equation strengthened by 26 read => feed constraints.
[2026-05-22 23:40:21] [INFO ] Implicit Places using invariants and state equation in 293 ms returned []
Implicit Place search using SMT with State Equation took 399 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 177/182 places, 153/157 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 818 ms. Remains : 177/182 places, 153/157 transitions.
RANDOM walk for 40000 steps (702 resets) in 270 ms. (147 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (57 resets) in 177 ms. (224 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (64 resets) in 82 ms. (481 steps per ms) remains 1/2 properties
FORMULA AutoFlight-PT-06b-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-22 23:40:21] [INFO ] Invariant cache hit.
[2026-05-22 23:40:21] [INFO ] State equation strengthened by 26 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 116/146 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/146 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 26/172 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/172 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 5/177 variables, 5/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/177 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 153/330 variables, 177/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 26/242 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/330 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/330 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 242 constraints, problems are : Problem set: 0 solved, 1 unsolved in 137 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 177/177 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 116/146 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/146 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/146 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 26/172 variables, 12/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/172 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 5/177 variables, 5/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/177 variables, 4/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/177 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 153/330 variables, 177/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/330 variables, 26/248 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/330 variables, 1/249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/330 variables, 2/251 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/330 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/330 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 330/330 variables, and 251 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1001 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 177/177 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1158ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 14 ms.
Support contains 30 out of 177 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 177/177 places, 153/153 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 177 transition count 145
Reduce places removed 8 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 9 rules applied. Total rules applied 17 place count 169 transition count 144
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 18 place count 168 transition count 144
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 18 place count 168 transition count 139
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 28 place count 163 transition count 139
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 30 place count 161 transition count 137
Iterating global reduction 3 with 2 rules applied. Total rules applied 32 place count 161 transition count 137
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 3 with 5 rules applied. Total rules applied 37 place count 161 transition count 132
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 37 place count 161 transition count 131
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 39 place count 160 transition count 131
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 47 place count 156 transition count 127
Free-agglomeration rule applied 5 times.
Iterating global reduction 4 with 5 rules applied. Total rules applied 52 place count 156 transition count 122
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 57 place count 151 transition count 122
Applied a total of 57 rules in 18 ms. Remains 151 /177 variables (removed 26) and now considering 122/153 (removed 31) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 151/177 places, 122/153 transitions.
RANDOM walk for 40000 steps (911 resets) in 151 ms. (263 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (103 resets) in 109 ms. (363 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1956351 steps, run timeout after 3001 ms. (steps per millisecond=651 ) properties seen :0 out of 1
Probabilistic random walk after 1956351 steps, saw 303250 distinct states, run finished after 3001 ms. (steps per millisecond=651 ) 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-3718823876882286597.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5392809812575764933.kers'
[2026-05-22 23:40:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3718823876882286597.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5392809812575764933.kers]
Culling duplicate invariants (modulo rational): removing 13 columns.
Culled 13 columns in 0 ms.
// Phase 1: matrix 122 rows 138 cols 349 entries
Finished phase 1 with 104 SingleSign rule and 8 generalized
[2026-05-22 23:40:25] [INFO ] Computed 39 invariants in 0 ms
Computed 39 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-5392809812575764933.kers
Total runtime 8 ms.
[2026-05-22 23:40:25] [INFO ] State equation strengthened by 35 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 102/132 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 10/142 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/142 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 9/151 variables, 9/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/151 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 122/273 variables, 151/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/273 variables, 35/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/273 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/273 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 273/273 variables, and 225 constraints, problems are : Problem set: 0 solved, 1 unsolved in 170 ms.
Refiners :[Positive P Invariants (semi-flows): 30/30 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 151/151 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 102/132 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/132 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 10/142 variables, 8/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/142 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 9/151 variables, 9/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/151 variables, 4/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/151 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 122/273 variables, 151/197 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/273 variables, 35/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/273 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/273 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/273 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/273 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 273/273 variables, and 234 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1192 ms.
Refiners :[Positive P Invariants (semi-flows): 30/30 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 151/151 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1397ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 50 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=50 )
FORMULA AutoFlight-PT-06b-ReachabilityFireability-2024-00 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 8 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 33382 ms.

BK_STOP 1779493227203

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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-06b"
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-06b, 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-oct2-177944366400535"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-06b.tgz
mv AutoFlight-PT-06b 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 ;