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.r338-smll-178021499100207.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 ErlangenMainframeV2-PT-aP14C01, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r338-smll-178021499100207
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 121M
-rw-r--r-- 1 mcc users 7.1K May 27 09:28 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K May 27 09:28 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.1K May 27 09:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 76K May 27 09:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K May 27 10:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 27 10:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 27 10:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 27 10:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 21K May 27 09:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 250K May 27 09:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K May 27 09:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K May 27 09:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 27 10:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 27 10:39 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 8 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 121M May 26 18:17 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 ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-00
FORMULA_NAME ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-01
FORMULA_NAME ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-02
FORMULA_NAME ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-03
FORMULA_NAME ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-04
FORMULA_NAME ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-05
FORMULA_NAME ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-06
FORMULA_NAME ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-07
FORMULA_NAME ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-08
FORMULA_NAME ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-09
FORMULA_NAME ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-10
FORMULA_NAME ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-11
FORMULA_NAME ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-12
FORMULA_NAME ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-13
FORMULA_NAME ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-14
FORMULA_NAME ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1780369050349

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ErlangenMainframeV2-PT-aP14C01
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-06-02 02:57:32] [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]
[2026-06-02 02:57:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-02 02:57:38] [INFO ] Load time of PNML (sax parser for PT used): 5838 ms
[2026-06-02 02:57:38] [INFO ] Transformed 101 places.
[2026-06-02 02:57:40] [INFO ] Transformed 73829 transitions.
[2026-06-02 02:57:40] [INFO ] Found NUPN structural information;
[2026-06-02 02:57:40] [INFO ] Parsed PT model containing 101 places and 73829 transitions and 2458012 arcs in 7530 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 45 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
RANDOM walk for 40000 steps (8 resets) in 94551 ms. (0 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 1958 ms. (2 steps per ms) remains 15/16 properties
FORMULA ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 1752 ms. (2 steps per ms) remains 14/15 properties
FORMULA ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4003 steps (8 resets) in 2242 ms. (1 steps per ms) remains 13/14 properties
FORMULA ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 1989 ms. (2 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4003 steps (8 resets) in 1438 ms. (2 steps per ms) remains 12/13 properties
FORMULA ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4003 steps (8 resets) in 2378 ms. (1 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4003 steps (8 resets) in 1519 ms. (2 steps per ms) remains 11/12 properties
FORMULA ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 2783 ms. (1 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1325 ms. (3 steps per ms) remains 10/11 properties
FORMULA ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 1688 ms. (2 steps per ms) remains 9/10 properties
FORMULA ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 1698 ms. (2 steps per ms) remains 8/9 properties
FORMULA ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-06-02 02:58:12] [INFO ] Flatten gal took : 28256 ms
BEST_FIRST walk for 4004 steps (8 resets) in 1578 ms. (2 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1576 ms. (2 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1299 ms. (3 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4004 steps (8 resets) in 2604 ms. (1 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4004 steps (8 resets) in 2822 ms. (1 steps per ms) remains 8/8 properties
[2026-06-02 02:58:14] [INFO ] Flow matrix only has 73824 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11831535908828177542.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14602055856151182862.kers'
[2026-06-02 02:58:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11831535908828177542.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14602055856151182862.kers]
Normalized transition count is 73823 out of 73824 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 419 ms.
// Phase 1: matrix 73823 rows 100 cols 2384183 entries
Finished phase 1 with 62 SingleSign rule and 3 generalized
[2026-06-02 02:58:17] [INFO ] Computed 36 invariants in 1919 ms
Computed 36 P flows in 1922 ms.
Exported basis to /tmp/petrispot-output-14602055856151182862.kers
Total runtime 2250 ms.
[2026-06-02 02:58:19] [INFO ] State equation strengthened by 37 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-03 is UNSAT
FORMULA ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
Problem ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-05 is UNSAT
FORMULA ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 8/72 variables, 17/82 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/72 variables, 8/90 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/72 variables, 0/90 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 14/86 variables, 4/94 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 14/108 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/86 variables, 0/108 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 15/101 variables, 14/122 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/101 variables, 15/137 constraints. Problems are: Problem set: 2 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/101 variables, 0/137 constraints. Problems are: Problem set: 2 solved, 6 unsolved
SMT process timed out in 9722ms, After SMT, problems are : Problem set: 2 solved, 6 unsolved
Fused 6 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 64 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 73828/73828 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 101 transition count 73823
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 8 place count 98 transition count 73804
Iterating global reduction 1 with 3 rules applied. Total rules applied 11 place count 98 transition count 73804
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -17
Deduced a syphon composed of 1 places in 61 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 13 place count 97 transition count 73821
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 14 place count 97 transition count 73820
Free-agglomeration rule applied 6 times.
Iterating global reduction 2 with 6 rules applied. Total rules applied 20 place count 97 transition count 73814
[2026-06-02 02:58:33] [INFO ] Flatten gal took : 20931 ms
Reduce places removed 6 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 30 place count 91 transition count 73810
[2026-06-02 02:58:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10196620232292819448.gal : 2311 ms
[2026-06-02 02:58:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8004843051432426226.prop : 11 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/ReachabilityCardinality10196620232292819448.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8004843051432426226.prop' '--nowitness' '--gen-order' 'FOLLOW'

Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 32 place count 89 transition count 73795
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
Iterating global reduction 3 with 2 rules applied. Total rules applied 34 place count 89 transition count 73795
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 36 place count 89 transition count 73793
Free-agglomeration rule applied 2 times with reduction of 3 identical transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 38 place count 89 transition count 73788
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 9 rules applied. Total rules applied 47 place count 86 transition count 73782
Applied a total of 47 rules in 17982 ms. Remains 86 /101 variables (removed 15) and now considering 73782/73828 (removed 46) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18025 ms. Remains : 86/101 places, 73782/73828 transitions.
RANDOM walk for 40000 steps (8 resets) in 107194 ms. (0 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 7964 ms. (5 steps per ms) remains 5/6 properties
FORMULA ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 7671 ms. (5 steps per ms) remains 4/5 properties
FORMULA ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 9185 ms. (4 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 8042 ms. (4 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 9348 ms. (4 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 6626 ms. (6 steps per ms) remains 4/4 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-731434121904851610.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1865618355388875303.kers'
[2026-06-02 02:59:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-731434121904851610.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1865618355388875303.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 417 ms.
// Phase 1: matrix 73782 rows 82 cols 2384025 entries
Finished phase 1 with 48 SingleSign rule and 3 generalized
[2026-06-02 02:59:25] [INFO ] Computed 35 invariants in 1685 ms
Computed 35 P flows in 1687 ms.
Exported basis to /tmp/petrispot-output-1865618355388875303.kers
Total runtime 2020 ms.
[2026-06-02 02:59:26] [INFO ] State equation strengthened by 19 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 5/69 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 3/72 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/72 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 14/86 variables, 14/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 73868/73868 variables, and 121 constraints, problems are : Problem set: 0 solved, 4 unsolved in 45455 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 86/86 constraints, ReadFeed: 0/19 constraints, PredecessorRefiner: 4/0 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) 0/64 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-12 is UNSAT
FORMULA ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-12 TRUE TECHNIQUES SMT_REFINEMENT
Problem ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-13 is UNSAT
FORMULA ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-13 TRUE TECHNIQUES SMT_REFINEMENT
Problem ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-14 is UNSAT
FORMULA ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-14 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 5/69 variables, 17/18 constraints. Problems are: Problem set: 3 solved, 1 unsolved
Loading property file /tmp/ReachabilityCardinality8004843051432426226.prop.
SMT process timed out in 129583ms, After SMT, problems are : Problem set: 3 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 16 out of 86 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 86/86 places, 73782/73782 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 0 with 13 rules applied. Total rules applied 13 place count 86 transition count 73769
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 1 with 13 rules applied. Total rules applied 26 place count 73 transition count 73769
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 27 place count 72 transition count 65577
Iterating global reduction 2 with 1 rules applied. Total rules applied 28 place count 72 transition count 65577
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 29 place count 71 transition count 49192
Iterating global reduction 2 with 1 rules applied. Total rules applied 30 place count 71 transition count 49192
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 1 rules applied. Total rules applied 31 place count 71 transition count 49191
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 32 place count 70 transition count 49191
Applied a total of 32 rules in 20479 ms. Remains 70 /86 variables (removed 16) and now considering 49191/73782 (removed 24591) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20479 ms. Remains : 70/86 places, 49191/73782 transitions.
RANDOM walk for 31416 steps (8 resets) in 120038 ms. (0 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 2008 ms. (19 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 246842 steps, run timeout after 90001 ms. (steps per millisecond=2 ) properties seen :0 out of 1
Probabilistic random walk after 246842 steps, saw 71701 distinct states, run finished after 90036 ms. (steps per millisecond=2 ) properties seen :0
[2026-06-02 03:03:54] [INFO ] Flow matrix only has 49190 transitions (discarded 1 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1494519661884692363.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13439057915838940616.kers'
[2026-06-02 03:03:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1494519661884692363.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13439057915838940616.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 276 ms.
// Phase 1: matrix 49190 rows 66 cols 1589369 entries
Finished phase 1 with 33 SingleSign rule and 2 generalized
[2026-06-02 03:03:55] [INFO ] Computed 35 invariants in 1284 ms
Computed 35 P flows in 1286 ms.
Exported basis to /tmp/petrispot-output-13439057915838940616.kers
Total runtime 1496 ms.
[2026-06-02 03:03:57] [INFO ] State equation strengthened by 18 read => feed constraints.
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) 17/33 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/33 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/41 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/41 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 29/70 variables, 15/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/70 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 49260/49260 variables, and 105 constraints, problems are : Problem set: 0 solved, 1 unsolved in 34027 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 70/70 constraints, ReadFeed: 0/18 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/33 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/33 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/41 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/41 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 29/70 variables, 15/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/70 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 49260/49260 variables, and 105 constraints, problems are : Problem set: 0 solved, 1 unsolved in 32578 ms.
Refiners :[Positive P Invariants (semi-flows): 20/20 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 70/70 constraints, ReadFeed: 0/18 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 70197ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 16 out of 70 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 70/70 places, 49191/49191 transitions.
Applied a total of 0 rules in 2620 ms. Remains 70 /70 variables (removed 0) and now considering 49191/49191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2620 ms. Remains : 70/70 places, 49191/49191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 70/70 places, 49191/49191 transitions.
Applied a total of 0 rules in 2400 ms. Remains 70 /70 variables (removed 0) and now considering 49191/49191 (removed 0) transitions.
[2026-06-02 03:05:09] [INFO ] Flow matrix only has 49190 transitions (discarded 1 similar events)
[2026-06-02 03:05:09] [INFO ] Invariant cache hit.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 18
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :18 after 23
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :23 after 25
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :25 after 330
[2026-06-02 03:05:40] [INFO ] Performed 51/70 implicitness test of which 0 returned IMPLICIT in 30 seconds.
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :330 after 347
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :347 after 2857
[2026-06-02 03:06:35] [INFO ] Performed 61/70 implicitness test of which 3 returned IMPLICIT in 85 seconds.
[2026-06-02 03:06:38] [INFO ] Implicit Places using invariants in 88941 ms returned [59, 60, 61, 64]
[2026-06-02 03:06:38] [INFO ] Actually due to overlaps returned [61, 64]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 89222 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 68/70 places, 49191/49191 transitions.
Graph (trivial) has 18 edges and 68 vertex of which 3 / 68 are part of one of the 1 SCC in 9 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 6 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 65 transition count 32801
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 65 transition count 32801
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 4 place count 65 transition count 32800
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 64 transition count 32799
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :2857 after 2983
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Graph (trivial) has 28 edges and 62 vertex of which 28 / 62 are part of one of the 14 SCC in 4 ms
Free SCC test removed 14 places
Iterating post reduction 1 with 4 rules applied. Total rules applied 9 place count 48 transition count 32798
Drop transitions (Empty/Sink Transition effects.) removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 2 with 28 rules applied. Total rules applied 37 place count 48 transition count 32770
Ensure Unique test removed 13 places
Iterating post reduction 3 with 13 rules applied. Total rules applied 50 place count 35 transition count 32770
Applied a total of 50 rules in 9682 ms. Remains 35 /68 variables (removed 33) and now considering 32770/49191 (removed 16421) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4610645028708327439.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18403175741352304756.kers'
[2026-06-02 03:06:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4610645028708327439.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18403175741352304756.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 104 ms.
// Phase 1: matrix 32770 rows 32 cols 540675 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-06-02 03:06:48] [INFO ] Computed 18 invariants in 447 ms
Computed 18 P flows in 448 ms.
Exported basis to /tmp/petrispot-output-18403175741352304756.kers
Total runtime 537 ms.
[2026-06-02 03:07:09] [INFO ] Implicit Places using invariants in 21160 ms returned [30]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 21211 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 34/70 places, 32770/49191 transitions.
Applied a total of 0 rules in 409 ms. Remains 34 /34 variables (removed 0) and now considering 32770/32770 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 122934 ms. Remains : 34/70 places, 32770/49191 transitions.
RANDOM walk for 3284 steps (0 resets) in 120318 ms. (0 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (0 resets) in 661 ms. (60 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 53419 steps, run visited all 1 properties in 34399 ms. (steps per millisecond=1 )
Probabilistic random walk after 53419 steps, saw 25645 distinct states, run finished after 34420 ms. (steps per millisecond=1 ) properties seen :1
FORMULA ErlangenMainframeV2-PT-aP14C01-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
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 642334 ms.

BK_STOP 1780369695879

--------------------
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="ErlangenMainframeV2-PT-aP14C01"
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 ErlangenMainframeV2-PT-aP14C01, 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 r338-smll-178021499100207"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ErlangenMainframeV2-PT-aP14C01.tgz
mv ErlangenMainframeV2-PT-aP14C01 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 ;