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.r034-tall-177946841900412.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 BugTracking-PT-q8m016, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946841900412
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 16M
-rw-r--r-- 1 mcc users 9.8K Mar 5 17:05 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Mar 5 17:05 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 5 17:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 5 17:04 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.7K Mar 15 07:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 15 07:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 5 17:06 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 5 17:06 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Mar 5 17:06 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K Mar 5 17:06 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 07:41 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 07:41 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 16M 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 BugTracking-PT-q8m016-LTLFireability-00
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-01
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-02
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-03
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-04
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-05
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-06
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-07
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-08
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-09
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-10
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-11
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-12
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-13
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-14
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779600657977

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BugTracking-PT-q8m016
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-24 05:30:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 05:30:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 05:30:59] [INFO ] Load time of PNML (sax parser for PT used): 777 ms
[2026-05-24 05:30:59] [INFO ] Transformed 754 places.
[2026-05-24 05:31:00] [INFO ] Transformed 27370 transitions.
[2026-05-24 05:31:00] [INFO ] Parsed PT model containing 754 places and 27370 transitions and 136172 arcs in 975 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 16 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Deduced a syphon composed of 474 places in 100 ms
Reduce places removed 474 places and 23466 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA BugTracking-PT-q8m016-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 4 out of 280 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 280/280 places, 3904/3904 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 278 transition count 3904
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 277 transition count 3871
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 277 transition count 3871
Applied a total of 4 rules in 90 ms. Remains 277 /280 variables (removed 3) and now considering 3871/3904 (removed 33) transitions.
[2026-05-24 05:31:00] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6108485891996426903.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6089958593701795229.kers'
[2026-05-24 05:31:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6108485891996426903.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6089958593701795229.kers]
Culled 0 columns in 4 ms.
// Phase 1: matrix 3707 rows 277 cols 17693 entries
Finished phase 1 with 269 SingleSign rule and 0 generalized
[2026-05-24 05:31:00] [INFO ] Computed 8 invariants in 17 ms
Computed 8 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-6089958593701795229.kers
Total runtime 21 ms.
[2026-05-24 05:31:01] [INFO ] Implicit Places using invariants in 695 ms returned []
[2026-05-24 05:31:01] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2026-05-24 05:31:01] [INFO ] Invariant cache hit.
[2026-05-24 05:31:01] [INFO ] State equation strengthened by 282 read => feed constraints.
[2026-05-24 05:31:04] [INFO ] Implicit Places using invariants and state equation in 3293 ms returned []
Implicit Place search using SMT with State Equation took 4021 ms to find 0 implicit places.
Running 3869 sub problems to find dead transitions.
[2026-05-24 05:31:04] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2026-05-24 05:31:04] [INFO ] Invariant cache hit.
[2026-05-24 05:31:04] [INFO ] State equation strengthened by 282 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
At refinement iteration 0 (INCLUDED_ONLY) 0/276 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3869 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 276/3984 variables, and 11 constraints, problems are : Problem set: 0 solved, 3869 unsolved in 30078 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 0/277 constraints, ReadFeed: 0/282 constraints, PredecessorRefiner: 3869/631 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3869 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/276 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3869 unsolved
Problem TDEAD808 is UNSAT
Problem TDEAD809 is UNSAT
Problem TDEAD810 is UNSAT
Problem TDEAD811 is UNSAT
Problem TDEAD812 is UNSAT
Problem TDEAD813 is UNSAT
Problem TDEAD817 is UNSAT
Problem TDEAD818 is UNSAT
Problem TDEAD819 is UNSAT
Problem TDEAD2706 is UNSAT
Problem TDEAD2715 is UNSAT
Problem TDEAD2727 is UNSAT
Problem TDEAD2728 is UNSAT
Problem TDEAD2756 is UNSAT
Problem TDEAD2765 is UNSAT
Problem TDEAD2777 is UNSAT
Problem TDEAD2778 is UNSAT
Problem TDEAD2781 is UNSAT
Problem TDEAD2782 is UNSAT
Problem TDEAD2783 is UNSAT
Problem TDEAD2784 is UNSAT
Problem TDEAD2785 is UNSAT
Problem TDEAD2786 is UNSAT
Problem TDEAD2787 is UNSAT
Problem TDEAD2788 is UNSAT
Problem TDEAD2789 is UNSAT
Problem TDEAD2790 is UNSAT
Problem TDEAD2794 is UNSAT
Problem TDEAD2795 is UNSAT
Problem TDEAD2796 is UNSAT
Problem TDEAD2797 is UNSAT
Problem TDEAD2798 is UNSAT
Problem TDEAD2799 is UNSAT
Problem TDEAD2800 is UNSAT
Problem TDEAD2801 is UNSAT
Problem TDEAD2802 is UNSAT
Problem TDEAD2803 is UNSAT
Problem TDEAD2804 is UNSAT
Problem TDEAD2805 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/276 variables, 3/11 constraints. Problems are: Problem set: 39 solved, 3830 unsolved
Problem TDEAD784 is UNSAT
Problem TDEAD790 is UNSAT
Problem TDEAD796 is UNSAT
Problem TDEAD802 is UNSAT
Problem TDEAD814 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 276/3984 variables, and 12 constraints, problems are : Problem set: 44 solved, 3825 unsolved in 30054 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 0/277 constraints, ReadFeed: 0/282 constraints, PredecessorRefiner: 3238/631 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 66031ms problems are : Problem set: 44 solved, 3825 unsolved
Search for dead transitions found 44 dead transitions in 66082ms
Found 44 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 44 transitions
Dead transitions reduction (with SMT) removed 44 transitions
Starting structural reductions in LTL mode, iteration 1 : 277/280 places, 3827/3904 transitions.
Reduce places removed 11 places and 336 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 11 place count 266 transition count 3491
Reduce places removed 5 places and 152 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 16 place count 261 transition count 3339
Reduce places removed 2 places and 56 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 18 place count 259 transition count 3283
Reduce places removed 1 places and 32 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 19 place count 258 transition count 3251
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 20 place count 257 transition count 3226
Iterating global reduction 4 with 1 rules applied. Total rules applied 21 place count 257 transition count 3226
Applied a total of 21 rules in 80 ms. Remains 257 /277 variables (removed 20) and now considering 3226/3827 (removed 601) transitions.
[2026-05-24 05:32:10] [INFO ] Flow matrix only has 3099 transitions (discarded 127 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3308245169452531088.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14532061680077096140.kers'
[2026-05-24 05:32:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3308245169452531088.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14532061680077096140.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 3099 rows 257 cols 14742 entries
Finished phase 1 with 249 SingleSign rule and 0 generalized
[2026-05-24 05:32:10] [INFO ] Computed 8 invariants in 14 ms
Computed 8 P flows in 14 ms.
Exported basis to /tmp/petrispot-output-14532061680077096140.kers
Total runtime 17 ms.
[2026-05-24 05:32:11] [INFO ] Implicit Places using invariants in 344 ms returned []
[2026-05-24 05:32:11] [INFO ] Flow matrix only has 3099 transitions (discarded 127 similar events)
[2026-05-24 05:32:11] [INFO ] Invariant cache hit.
[2026-05-24 05:32:11] [INFO ] State equation strengthened by 250 read => feed constraints.
[2026-05-24 05:32:13] [INFO ] Implicit Places using invariants and state equation in 2506 ms returned []
Implicit Place search using SMT with State Equation took 2862 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 257/280 places, 3226/3904 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 73196 ms. Remains : 257/280 places, 3226/3904 transitions.
Starting structural reductions in LTL mode, iteration 0 : 257/257 places, 3226/3226 transitions.
Applied a total of 0 rules in 13 ms. Remains 257 /257 variables (removed 0) and now considering 3226/3226 (removed 0) transitions.
[2026-05-24 05:32:13] [INFO ] Flow matrix only has 3099 transitions (discarded 127 similar events)
[2026-05-24 05:32:13] [INFO ] Invariant cache hit.
[2026-05-24 05:32:14] [INFO ] Implicit Places using invariants in 326 ms returned []
[2026-05-24 05:32:14] [INFO ] Flow matrix only has 3099 transitions (discarded 127 similar events)
[2026-05-24 05:32:14] [INFO ] Invariant cache hit.
[2026-05-24 05:32:14] [INFO ] State equation strengthened by 250 read => feed constraints.
[2026-05-24 05:32:16] [INFO ] Implicit Places using invariants and state equation in 2446 ms returned []
Implicit Place search using SMT with State Equation took 2776 ms to find 0 implicit places.
Running 3224 sub problems to find dead transitions.
[2026-05-24 05:32:16] [INFO ] Flow matrix only has 3099 transitions (discarded 127 similar events)
[2026-05-24 05:32:16] [INFO ] Invariant cache hit.
[2026-05-24 05:32:16] [INFO ] State equation strengthened by 250 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3224 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 256/3356 variables, and 8 constraints, problems are : Problem set: 0 solved, 3224 unsolved in 30048 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 0/257 constraints, ReadFeed: 0/250 constraints, PredecessorRefiner: 3224/991 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3224 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/256 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3224 unsolved
Problem TDEAD2166 is UNSAT
Problem TDEAD2177 is UNSAT
Problem TDEAD2179 is UNSAT
Problem TDEAD2180 is UNSAT
Problem TDEAD2181 is UNSAT
Problem TDEAD2182 is UNSAT
Problem TDEAD2183 is UNSAT
Problem TDEAD2184 is UNSAT
Problem TDEAD2185 is UNSAT
Problem TDEAD2186 is UNSAT
Problem TDEAD2187 is UNSAT
Problem TDEAD2188 is UNSAT
Problem TDEAD2189 is UNSAT
Problem TDEAD2190 is UNSAT
Problem TDEAD2191 is UNSAT
Problem TDEAD2192 is UNSAT
Problem TDEAD2193 is UNSAT
Problem TDEAD2194 is UNSAT
Problem TDEAD2195 is UNSAT
Problem TDEAD2196 is UNSAT
Problem TDEAD2197 is UNSAT
Problem TDEAD2198 is UNSAT
Problem TDEAD2210 is UNSAT
Problem TDEAD2221 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 256/3356 variables, and 10 constraints, problems are : Problem set: 24 solved, 3200 unsolved in 30053 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 0/257 constraints, ReadFeed: 0/250 constraints, PredecessorRefiner: 2233/991 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64917ms problems are : Problem set: 24 solved, 3200 unsolved
Search for dead transitions found 24 dead transitions in 64925ms
Found 24 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 24 transitions
Dead transitions reduction (with SMT) removed 24 transitions
Starting structural reductions in LTL mode, iteration 1 : 257/257 places, 3202/3226 transitions.
Reduce places removed 7 places and 224 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 250 transition count 2978
Reduce places removed 5 places and 121 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 12 place count 245 transition count 2857
Reduce places removed 9 places and 280 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 21 place count 236 transition count 2577
Reduce places removed 7 places and 159 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 28 place count 229 transition count 2418
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 29 place count 228 transition count 2398
Deduced a syphon composed of 1 places in 2 ms
Iterating global reduction 4 with 1 rules applied. Total rules applied 30 place count 228 transition count 2398
Deduced a syphon composed of 1 places in 1 ms
Applied a total of 30 rules in 25 ms. Remains 228 /257 variables (removed 29) and now considering 2398/3202 (removed 804) transitions.
[2026-05-24 05:33:21] [INFO ] Flow matrix only has 2298 transitions (discarded 100 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6379637888440998730.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13850929106085844657.kers'
[2026-05-24 05:33:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6379637888440998730.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13850929106085844657.kers]
Culling trivial invariants: removing 1 columns.
Culled 1 columns in 2 ms.
// Phase 1: matrix 2298 rows 227 cols 10841 entries
Finished phase 1 with 219 SingleSign rule and 0 generalized
[2026-05-24 05:33:21] [INFO ] Computed 9 invariants in 8 ms
Computed 9 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-13850929106085844657.kers
Total runtime 12 ms.
[2026-05-24 05:33:21] [INFO ] Implicit Places using invariants in 272 ms returned []
[2026-05-24 05:33:21] [INFO ] Flow matrix only has 2298 transitions (discarded 100 similar events)
[2026-05-24 05:33:21] [INFO ] Invariant cache hit.
[2026-05-24 05:33:22] [INFO ] State equation strengthened by 210 read => feed constraints.
[2026-05-24 05:33:23] [INFO ] Implicit Places using invariants and state equation in 1667 ms returned []
Implicit Place search using SMT with State Equation took 1942 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 228/257 places, 2398/3226 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 69693 ms. Remains : 228/257 places, 2398/3226 transitions.
Deduced a syphon composed of 1 places in 5 ms
Reduce places removed 1 places and 0 transitions.
Support contains 3 out of 227 places after structural reductions.
FORMULA BugTracking-PT-q8m016-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-24 05:33:23] [INFO ] Flatten gal took : 215 ms
[2026-05-24 05:33:23] [INFO ] Flatten gal took : 147 ms
[2026-05-24 05:33:24] [INFO ] Input system was already deterministic with 2398 transitions.
RANDOM walk for 40006 steps (119 resets) in 2254 ms. (17 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (24 resets) in 138 ms. (287 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 203657 steps, run timeout after 3001 ms. (steps per millisecond=67 ) properties seen :0 out of 1
Probabilistic random walk after 203657 steps, saw 109836 distinct states, run finished after 3006 ms. (steps per millisecond=67 ) properties seen :0
[2026-05-24 05:33:27] [INFO ] Flow matrix only has 2298 transitions (discarded 100 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15853617197837417440.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8088254946794851367.kers'
[2026-05-24 05:33:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15853617197837417440.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8088254946794851367.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 2298 rows 227 cols 10841 entries
Finished phase 1 with 219 SingleSign rule and 0 generalized
[2026-05-24 05:33:27] [INFO ] Computed 8 invariants in 15 ms
Computed 8 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-8088254946794851367.kers
Total runtime 20 ms.
[2026-05-24 05:33:27] [INFO ] State equation strengthened by 210 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 28/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 665/696 variables, 31/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/696 variables, 56/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/696 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1116/1812 variables, 64/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1812 variables, 82/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1812 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 5/1817 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1817 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 595/2412 variables, 80/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2412 variables, 2/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2412 variables, 51/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2412 variables, 0/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 5/2417 variables, 2/370 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/2417 variables, 2/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/2417 variables, 0/372 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 103/2520 variables, 47/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/2520 variables, 2/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/2520 variables, 21/442 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/2520 variables, 0/442 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 5/2525 variables, 3/445 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/2525 variables, 0/445 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/2525 variables, 0/445 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2525/2525 variables, and 445 constraints, problems are : Problem set: 0 solved, 1 unsolved in 736 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 227/227 constraints, ReadFeed: 210/210 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 28/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 665/696 variables, 31/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/696 variables, 56/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/696 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1116/1812 variables, 64/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1812 variables, 82/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1812 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 5/1817 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1817 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 595/2412 variables, 80/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2412 variables, 2/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2412 variables, 51/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp0 is UNSAT
After SMT solving in domain Int declared 2412/2525 variables, and 369 constraints, problems are : Problem set: 1 solved, 0 unsolved in 929 ms.
Refiners :[Positive P Invariants (semi-flows): 4/8 constraints, State Equation: 175/227 constraints, ReadFeed: 189/210 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1712ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 1 simplifications.
FORMULA BugTracking-PT-q8m016-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 4 stabilizing places and 73 stable transitions
All properties solved by simple procedures.
Total runtime 150494 ms.

BK_STOP 1779600809696

--------------------
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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -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 LTLFireability -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="BugTracking-PT-q8m016"
export BK_EXAMINATION="LTLFireability"
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 BugTracking-PT-q8m016, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r034-tall-177946841900412"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BugTracking-PT-q8m016.tgz
mv BugTracking-PT-q8m016 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;