Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r130-smll-177955809000255.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is FireWire-PT-14, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809000255
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 536K
-rw-r--r-- 1 mcc users 6.3K Mar 7 05:19 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Mar 7 05:19 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K Mar 7 05:19 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K Mar 7 05:19 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 10:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:08 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:08 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.5K Mar 7 05:19 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 73K Mar 7 05:19 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Mar 7 05:19 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 83K Mar 7 05:19 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:08 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:08 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 153K 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 FireWire-PT-14-ReachabilityFireability-2024-00
FORMULA_NAME FireWire-PT-14-ReachabilityFireability-2024-01
FORMULA_NAME FireWire-PT-14-ReachabilityFireability-2024-02
FORMULA_NAME FireWire-PT-14-ReachabilityFireability-2024-03
FORMULA_NAME FireWire-PT-14-ReachabilityFireability-2024-04
FORMULA_NAME FireWire-PT-14-ReachabilityFireability-2024-05
FORMULA_NAME FireWire-PT-14-ReachabilityFireability-2024-06
FORMULA_NAME FireWire-PT-14-ReachabilityFireability-2024-07
FORMULA_NAME FireWire-PT-14-ReachabilityFireability-2024-08
FORMULA_NAME FireWire-PT-14-ReachabilityFireability-2024-09
FORMULA_NAME FireWire-PT-14-ReachabilityFireability-2024-10
FORMULA_NAME FireWire-PT-14-ReachabilityFireability-2024-11
FORMULA_NAME FireWire-PT-14-ReachabilityFireability-2024-12
FORMULA_NAME FireWire-PT-14-ReachabilityFireability-2024-13
FORMULA_NAME FireWire-PT-14-ReachabilityFireability-2024-14
FORMULA_NAME FireWire-PT-14-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779829756034

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FireWire-PT-14
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-26 21:09:17] [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]
[2026-05-26 21:09:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 21:09:18] [INFO ] Load time of PNML (sax parser for PT used): 152 ms
[2026-05-26 21:09:18] [INFO ] Transformed 205 places.
[2026-05-26 21:09:18] [INFO ] Transformed 610 transitions.
[2026-05-26 21:09:18] [INFO ] Found NUPN structural information;
[2026-05-26 21:09:18] [INFO ] Parsed PT model containing 205 places and 610 transitions and 2315 arcs in 318 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 24 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 71 transitions
Reduce redundant transitions removed 71 transitions.
RANDOM walk for 40000 steps (1158 resets) in 2552 ms. (15 steps per ms) remains 9/16 properties
FORMULA FireWire-PT-14-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-14-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-14-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-14-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-14-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-14-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-14-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-26 21:09:19] [INFO ] Flatten gal took : 343 ms
BEST_FIRST walk for 40002 steps (262 resets) in 605 ms. (66 steps per ms) remains 9/9 properties
[2026-05-26 21:09:19] [INFO ] Flatten gal took : 191 ms
BEST_FIRST walk for 40004 steps (297 resets) in 576 ms. (69 steps per ms) remains 9/9 properties
[2026-05-26 21:09:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3976245003413328081.gal : 94 ms
[2026-05-26 21:09:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13034630798072695193.prop : 13 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/ReachabilityCardinality3976245003413328081.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13034630798072695193.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40001 steps (155 resets) in 627 ms. (63 steps per ms) remains 9/9 properties

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 ...329
Loading property file /tmp/ReachabilityCardinality13034630798072695193.prop.
BEST_FIRST walk for 40003 steps (10 resets) in 434 ms. (91 steps per ms) remains 9/9 properties
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :4 after 5
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :5 after 25
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :25 after 45
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :45 after 65
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :65 after 105
BEST_FIRST walk for 40003 steps (32 resets) in 584 ms. (68 steps per ms) remains 9/9 properties
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :105 after 166
BEST_FIRST walk for 40003 steps (62 resets) in 189 ms. (210 steps per ms) remains 8/9 properties
FORMULA FireWire-PT-14-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :166 after 239
BEST_FIRST walk for 40001 steps (11 resets) in 250 ms. (159 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (292 resets) in 280 ms. (142 steps per ms) remains 8/8 properties
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :239 after 325
[2026-05-26 21:09:20] [INFO ] Flow matrix only has 501 transitions (discarded 38 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1446587412110525078.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6540498616540441627.kers'
[2026-05-26 21:09:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1446587412110525078.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6540498616540441627.kers]
Normalized transition count is 500 out of 501 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 500 rows 205 cols 1747 entries
Finished phase 1 with 195 SingleSign rule and 0 generalized
[2026-05-26 21:09:20] [INFO ] Computed 10 invariants in 2 ms
Computed 10 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-6540498616540441627.kers
Total runtime 5 ms.
[2026-05-26 21:09:20] [INFO ] State equation strengthened by 73 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Invariant property FireWire-PT-14-ReachabilityFireability-2024-11 does not hold.
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :325 after 905
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :905 after 3227
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/139 variables, 139/139 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/139 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem FireWire-PT-14-ReachabilityFireability-2024-03 is UNSAT
FORMULA FireWire-PT-14-ReachabilityFireability-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
Problem FireWire-PT-14-ReachabilityFireability-2024-05 is UNSAT
FORMULA FireWire-PT-14-ReachabilityFireability-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
Problem FireWire-PT-14-ReachabilityFireability-2024-06 is UNSAT
FORMULA FireWire-PT-14-ReachabilityFireability-2024-06 FALSE TECHNIQUES SMT_REFINEMENT
Problem FireWire-PT-14-ReachabilityFireability-2024-09 is UNSAT
FORMULA FireWire-PT-14-ReachabilityFireability-2024-09 FALSE TECHNIQUES SMT_REFINEMENT
Problem FireWire-PT-14-ReachabilityFireability-2024-13 is UNSAT
FORMULA FireWire-PT-14-ReachabilityFireability-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
Problem FireWire-PT-14-ReachabilityFireability-2024-15 is UNSAT
FORMULA FireWire-PT-14-ReachabilityFireability-2024-15 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 63/202 variables, 10/149 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/202 variables, 63/212 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/202 variables, 0/212 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 500/702 variables, 202/414 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/702 variables, 72/486 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/702 variables, 0/486 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 3/705 variables, 3/489 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/705 variables, 3/492 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/705 variables, 0/492 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 1/706 variables, 1/493 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/706 variables, 0/493 constraints. Problems are: Problem set: 6 solved, 2 unsolved
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :3227 after 10437
At refinement iteration 13 (OVERLAPS) 0/706 variables, 0/493 constraints. Problems are: Problem set: 6 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 706/706 variables, and 493 constraints, problems are : Problem set: 6 solved, 2 unsolved in 1488 ms.
Refiners :[Domain max(s): 205/205 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 205/205 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 8/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 6 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 24/24 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 0/24 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 157/181 variables, 5/29 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/181 variables, 157/186 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/181 variables, 2/188 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/181 variables, 0/188 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 21/202 variables, 5/193 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 21/214 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/202 variables, 4/218 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/202 variables, 0/218 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 500/702 variables, 202/420 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/702 variables, 72/492 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/702 variables, 0/492 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 3/705 variables, 3/495 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/705 variables, 3/498 constraints. Problems are: Problem set: 6 solved, 2 unsolved
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :10437 after 22856
At refinement iteration 15 (INCLUDED_ONLY) 0/705 variables, 0/498 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 1/706 variables, 1/499 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/706 variables, 0/499 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 0/706 variables, 0/499 constraints. Problems are: Problem set: 6 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 706/706 variables, and 499 constraints, problems are : Problem set: 6 solved, 2 unsolved in 2717 ms.
Refiners :[Domain max(s): 205/205 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 205/205 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4434ms problems are : Problem set: 6 solved, 2 unsolved
Parikh walk visited 0 properties in 175 ms.
Support contains 24 out of 205 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 205/205 places, 539/539 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 205 transition count 536
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 3 Pre rules applied. Total rules applied 3 place count 205 transition count 533
Deduced a syphon composed of 3 places in 2 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 9 place count 202 transition count 533
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 13 place count 198 transition count 525
Iterating global reduction 1 with 4 rules applied. Total rules applied 17 place count 198 transition count 525
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 20 place count 198 transition count 522
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 21 place count 197 transition count 519
Iterating global reduction 2 with 1 rules applied. Total rules applied 22 place count 197 transition count 519
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 23 place count 196 transition count 517
Iterating global reduction 2 with 1 rules applied. Total rules applied 24 place count 196 transition count 517
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 25 place count 195 transition count 514
Iterating global reduction 2 with 1 rules applied. Total rules applied 26 place count 195 transition count 514
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 27 place count 194 transition count 512
Iterating global reduction 2 with 1 rules applied. Total rules applied 28 place count 194 transition count 512
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 29 place count 193 transition count 509
Iterating global reduction 2 with 1 rules applied. Total rules applied 30 place count 193 transition count 509
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 31 place count 192 transition count 507
Iterating global reduction 2 with 1 rules applied. Total rules applied 32 place count 192 transition count 507
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 33 place count 191 transition count 504
Iterating global reduction 2 with 1 rules applied. Total rules applied 34 place count 191 transition count 504
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 35 place count 190 transition count 502
Iterating global reduction 2 with 1 rules applied. Total rules applied 36 place count 190 transition count 502
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 37 place count 189 transition count 499
Iterating global reduction 2 with 1 rules applied. Total rules applied 38 place count 189 transition count 499
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 44 place count 186 transition count 496
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -4
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 48 place count 184 transition count 500
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 52 place count 184 transition count 496
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 3 with 8 rules applied. Total rules applied 60 place count 184 transition count 488
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 61 place count 184 transition count 490
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 64 place count 183 transition count 488
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 66 place count 183 transition count 486
Applied a total of 66 rules in 304 ms. Remains 183 /205 variables (removed 22) and now considering 486/539 (removed 53) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 318 ms. Remains : 183/205 places, 486/539 transitions.
RANDOM walk for 40000 steps (1237 resets) in 510 ms. (78 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (310 resets) in 187 ms. (212 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (400 resets) in 166 ms. (239 steps per ms) remains 2/2 properties
SDD proceeding with computation,8 properties remain. new max is 16384
SDD size :22856 after 70541
Interrupted probabilistic random walk after 434932 steps, run timeout after 3001 ms. (steps per millisecond=144 ) properties seen :0 out of 2
Probabilistic random walk after 434932 steps, saw 126176 distinct states, run finished after 3008 ms. (steps per millisecond=144 ) properties seen :0
[2026-05-26 21:09:28] [INFO ] Flow matrix only has 453 transitions (discarded 33 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14293851511583817201.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13321424250014200972.kers'
[2026-05-26 21:09:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14293851511583817201.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13321424250014200972.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 453 rows 183 cols 1594 entries
Finished phase 1 with 173 SingleSign rule and 0 generalized
[2026-05-26 21:09:28] [INFO ] Computed 10 invariants in 2 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-13321424250014200972.kers
Total runtime 3 ms.
[2026-05-26 21:09:28] [INFO ] State equation strengthened by 69 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 141/165 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/165 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/165 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 15/180 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/180 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 453/633 variables, 180/191 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/633 variables, 69/260 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/633 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 3/636 variables, 3/263 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/636 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/636 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 636/636 variables, and 263 constraints, problems are : Problem set: 0 solved, 2 unsolved in 563 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 183/183 constraints, ReadFeed: 69/69 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 141/165 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/165 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/165 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/165 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 15/180 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/180 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/180 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 453/633 variables, 180/195 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/633 variables, 69/264 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/633 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 3/636 variables, 3/267 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/636 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/636 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 636/636 variables, and 267 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1227 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 183/183 constraints, ReadFeed: 69/69 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1836ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 184 ms.
Support contains 24 out of 183 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 183/183 places, 486/486 transitions.
Applied a total of 0 rules in 16 ms. Remains 183 /183 variables (removed 0) and now considering 486/486 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 183/183 places, 486/486 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 183/183 places, 486/486 transitions.
Applied a total of 0 rules in 13 ms. Remains 183 /183 variables (removed 0) and now considering 486/486 (removed 0) transitions.
[2026-05-26 21:09:30] [INFO ] Flow matrix only has 453 transitions (discarded 33 similar events)
[2026-05-26 21:09:30] [INFO ] Invariant cache hit.
[2026-05-26 21:09:30] [INFO ] Implicit Places using invariants in 176 ms returned []
[2026-05-26 21:09:30] [INFO ] Flow matrix only has 453 transitions (discarded 33 similar events)
[2026-05-26 21:09:30] [INFO ] Invariant cache hit.
[2026-05-26 21:09:30] [INFO ] State equation strengthened by 69 read => feed constraints.
[2026-05-26 21:09:31] [INFO ] Implicit Places using invariants and state equation in 501 ms returned [19, 79, 140]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 691 ms to find 3 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 180/183 places, 486/486 transitions.
Applied a total of 0 rules in 14 ms. Remains 180 /180 variables (removed 0) and now considering 486/486 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 719 ms. Remains : 180/183 places, 486/486 transitions.
RANDOM walk for 40000 steps (1268 resets) in 227 ms. (175 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (287 resets) in 219 ms. (181 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (389 resets) in 216 ms. (184 steps per ms) remains 2/2 properties
Invariant property FireWire-PT-14-ReachabilityFireability-2024-00 does not hold.
FORMULA FireWire-PT-14-ReachabilityFireability-2024-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,7 properties remain. new max is 16384
SDD size :70541 after 339195
Interrupted probabilistic random walk after 508133 steps, run timeout after 3001 ms. (steps per millisecond=169 ) properties seen :0 out of 2
Probabilistic random walk after 508133 steps, saw 146907 distinct states, run finished after 3001 ms. (steps per millisecond=169 ) properties seen :0
[2026-05-26 21:09:34] [INFO ] Flow matrix only has 453 transitions (discarded 33 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9725476651977127816.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2973526544147703521.kers'
[2026-05-26 21:09:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9725476651977127816.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2973526544147703521.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 453 rows 180 cols 1562 entries
Finished phase 1 with 173 SingleSign rule and 0 generalized
[2026-05-26 21:09:34] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-2973526544147703521.kers
Total runtime 3 ms.
[2026-05-26 21:09:34] [INFO ] State equation strengthened by 69 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 149/165 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/165 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/165 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 6/171 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/171 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 447/618 variables, 171/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/618 variables, 66/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/618 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 15/633 variables, 9/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/633 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/633 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/633 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 633/633 variables, and 258 constraints, problems are : Problem set: 0 solved, 1 unsolved in 536 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 180/180 constraints, ReadFeed: 69/69 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 149/165 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/165 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/165 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 6/171 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/171 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/171 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 447/618 variables, 171/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/618 variables, 66/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/618 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 15/633 variables, 9/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/633 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/633 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/633 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 633/633 variables, and 258 constraints, problems are : Problem set: 0 solved, 1 unsolved in 378 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 180/180 constraints, ReadFeed: 69/69 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 939ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 30 ms.
Support contains 16 out of 180 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 180/180 places, 486/486 transitions.
Applied a total of 0 rules in 13 ms. Remains 180 /180 variables (removed 0) and now considering 486/486 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 180/180 places, 486/486 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 180/180 places, 486/486 transitions.
Applied a total of 0 rules in 14 ms. Remains 180 /180 variables (removed 0) and now considering 486/486 (removed 0) transitions.
[2026-05-26 21:09:35] [INFO ] Flow matrix only has 453 transitions (discarded 33 similar events)
[2026-05-26 21:09:35] [INFO ] Invariant cache hit.
[2026-05-26 21:09:35] [INFO ] Implicit Places using invariants in 178 ms returned []
[2026-05-26 21:09:35] [INFO ] Flow matrix only has 453 transitions (discarded 33 similar events)
[2026-05-26 21:09:35] [INFO ] Invariant cache hit.
[2026-05-26 21:09:35] [INFO ] State equation strengthened by 69 read => feed constraints.
[2026-05-26 21:09:36] [INFO ] Implicit Places using invariants and state equation in 714 ms returned []
Implicit Place search using SMT with State Equation took 895 ms to find 0 implicit places.
[2026-05-26 21:09:36] [INFO ] Redundant transitions in 32 ms returned []
Running 485 sub problems to find dead transitions.
[2026-05-26 21:09:36] [INFO ] Flow matrix only has 453 transitions (discarded 33 similar events)
[2026-05-26 21:09:36] [INFO ] Invariant cache hit.
[2026-05-26 21:09:36] [INFO ] State equation strengthened by 69 read => feed constraints.
SDD proceeding with computation,7 properties remain. new max is 32768
SDD size :339195 after 696676
At refinement iteration 0 (INCLUDED_ONLY) 0/179 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 485 unsolved
At refinement iteration 1 (OVERLAPS) 1/180 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 485 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/180 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 485 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/180 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 485 unsolved
At refinement iteration 4 (OVERLAPS) 453/633 variables, 180/193 constraints. Problems are: Problem set: 0 solved, 485 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/633 variables, 69/262 constraints. Problems are: Problem set: 0 solved, 485 unsolved
SDD proceeding with computation,7 properties remain. new max is 65536
SDD size :696676 after 1.54063e+06
At refinement iteration 6 (INCLUDED_ONLY) 0/633 variables, 3/265 constraints. Problems are: Problem set: 0 solved, 485 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 633/633 variables, and 265 constraints, problems are : Problem set: 0 solved, 485 unsolved in 30051 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 180/180 constraints, ReadFeed: 69/69 constraints, PredecessorRefiner: 485/485 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 485 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/179 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 485 unsolved
At refinement iteration 1 (OVERLAPS) 1/180 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 485 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/180 variables, 9/16 constraints. Problems are: Problem set: 0 solved, 485 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/180 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 485 unsolved
At refinement iteration 4 (OVERLAPS) 453/633 variables, 180/196 constraints. Problems are: Problem set: 0 solved, 485 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/633 variables, 69/265 constraints. Problems are: Problem set: 0 solved, 485 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/633 variables, 485/750 constraints. Problems are: Problem set: 0 solved, 485 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 633/633 variables, and 750 constraints, problems are : Problem set: 0 solved, 485 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 180/180 constraints, ReadFeed: 69/69 constraints, PredecessorRefiner: 485/485 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60511ms problems are : Problem set: 0 solved, 485 unsolved
Search for dead transitions found 0 dead transitions in 60519ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61497 ms. Remains : 180/180 places, 486/486 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 105 edges and 180 vertex of which 16 / 180 are part of one of the 5 SCC in 3 ms
Free SCC test removed 11 places
Drop transitions (Empty/Sink Transition effects.) removed 32 transitions
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 68 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 168 transition count 417
Drop transitions (Redundant composition of simpler transitions.) removed 27 transitions
Redundant transition composition rules discarded 27 transitions
Iterating global reduction 0 with 27 rules applied. Total rules applied 30 place count 168 transition count 390
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 0 with 3 rules applied. Total rules applied 33 place count 168 transition count 390
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 36 place count 168 transition count 387
Applied a total of 36 rules in 46 ms. Remains 168 /180 variables (removed 12) and now considering 387/486 (removed 99) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-690253026449283887.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4155809786267482398.kers'
[2026-05-26 21:10:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-690253026449283887.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4155809786267482398.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 387 rows 168 cols 1381 entries
Finished phase 1 with 161 SingleSign rule and 0 generalized
[2026-05-26 21:10:36] [INFO ] Computed 7 invariants in 3 ms
Computed 7 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-4155809786267482398.kers
Total runtime 3 ms.
[2026-05-26 21:10:36] [INFO ] After 54ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-26 21:10:36] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2026-05-26 21:10:37] [INFO ] After 151ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-26 21:10:37] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 21:10:37] [INFO ] After 15ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-26 21:10:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 68 ms
TRAPS : Iteration 1
[2026-05-26 21:10:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 70 ms
TRAPS : Iteration 2
[2026-05-26 21:10:37] [INFO ] After 217ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-26 21:10:37] [INFO ] After 448ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-26 21:10:37] [INFO ] Flatten gal took : 44 ms
[2026-05-26 21:10:37] [INFO ] Flatten gal took : 42 ms
[2026-05-26 21:10:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15088292158209933839.gal : 6 ms
[2026-05-26 21:10:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8317972490535247259.prop : 0 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/ReachabilityCardinality15088292158209933839.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8317972490535247259.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 ...329
Loading property file /tmp/ReachabilityCardinality8317972490535247259.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :4 after 9
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :9 after 12
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :12 after 22
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :22 after 51
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :51 after 168
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :168 after 469
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :469 after 693
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :693 after 1080
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1080 after 2933
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :2933 after 20249
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :20249 after 118885
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :118885 after 915951
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :915951 after 2.19196e+07
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,3.24993e+08,12.812,253352,2,9490,19,469959,7,0,1091,759045,0
Total reachable state count : 324992952

Verifying 1 reachability properties.
Reachability property FireWire-PT-14-ReachabilityFireability-2024-02 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
FireWire-PT-14-ReachabilityFireability-2024-02,7554,12.8285,253352,2,930,19,469959,7,0,1111,759045,0
Over-approximation ignoring read arcs solved 0 properties in 13569 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 21:10:50] [INFO ] Flatten gal took : 41 ms
[2026-05-26 21:10:50] [INFO ] Applying decomposition
[2026-05-26 21:10:50] [INFO ] Flatten gal took : 34 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph3998671950866494853.txt' '-o' '/tmp/graph3998671950866494853.bin' '-w' '/tmp/graph3998671950866494853.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph3998671950866494853.bin' '-l' '-1' '-v' '-w' '/tmp/graph3998671950866494853.weights' '-q' '0' '-e' '0.001'
[2026-05-26 21:10:50] [INFO ] Decomposing Gal with order
[2026-05-26 21:10:50] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 21:10:50] [INFO ] Removed a total of 911 redundant transitions.
[2026-05-26 21:10:50] [INFO ] Flatten gal took : 160 ms
[2026-05-26 21:10:51] [INFO ] Fuse similar labels procedure discarded/fused a total of 240 labels/synchronizations in 42 ms.
[2026-05-26 21:10:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13708804349704574396.gal : 14 ms
[2026-05-26 21:10:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality893214416777773924.prop : 0 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/ReachabilityCardinality13708804349704574396.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality893214416777773924.prop' '--nowitness'

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 ...307
Loading property file /tmp/ReachabilityCardinality893214416777773924.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :4 after 25
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :25 after 89
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :89 after 17697
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :17697 after 342369
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :342369 after 5.14392e+06
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :5.14392e+06 after 4.07467e+07
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :6.73925e+08 after 6.80021e+08
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,8.81424e+08,288.019,2779560,8559,133,2.40454e+06,2135,1159,1.74608e+07,104,16731,0
Total reachable state count : 881424366

Verifying 1 reachability properties.
Reachability property FireWire-PT-14-ReachabilityFireability-2024-02 is true.
FORMULA FireWire-PT-14-ReachabilityFireability-2024-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
FireWire-PT-14-ReachabilityFireability-2024-02,384,288.642,2779560,134,39,2.40454e+06,2135,1194,1.74608e+07,113,16731,22359
All properties solved without resorting to model-checking.
Total runtime 382742 ms.

BK_STOP 1779830140469

--------------------
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="FireWire-PT-14"
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 FireWire-PT-14, 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 r130-smll-177955809000255"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-14.tgz
mv FireWire-PT-14 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 ;