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-178021499000047.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 ErlangenMainframeV1-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-178021499000047
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 114M
-rw-r--r-- 1 mcc users 5.9K May 27 08:52 CTLCardinality.txt
-rw-r--r-- 1 mcc users 57K May 27 08:52 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 27 08:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K May 27 08:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 27 10:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 27 10:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 27 10:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 27 10:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 8.2K May 27 08:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 83K May 27 08:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K May 27 08:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K May 27 08:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 27 10:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 27 10:30 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 114M 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 ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-00
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-01
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-02
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-03
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-04
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-05
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-06
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-07
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-08
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-09
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-10
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-11
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-12
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-13
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-14
FORMULA_NAME ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1780257249720

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ErlangenMainframeV1-PT-aP14C01
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-31 19:54:12] [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]
[2026-05-31 19:54:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-31 19:54:18] [INFO ] Load time of PNML (sax parser for PT used): 5990 ms
[2026-05-31 19:54:18] [INFO ] Transformed 99 places.
[2026-05-31 19:54:18] [INFO ] Transformed 73829 transitions.
[2026-05-31 19:54:18] [INFO ] Found NUPN structural information;
[2026-05-31 19:54:19] [INFO ] Parsed PT model containing 99 places and 73829 transitions and 2310551 arcs in 7117 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 58 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 93325 ms. (0 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 2008 ms. (1 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 2456 ms. (1 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1146 ms. (3 steps per ms) remains 15/16 properties
FORMULA ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 1750 ms. (2 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 942 ms. (4 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 953 ms. (4 steps per ms) remains 14/15 properties
FORMULA ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 1048 ms. (3 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 2011 ms. (1 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 967 ms. (4 steps per ms) remains 13/14 properties
FORMULA ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 925 ms. (4 steps per ms) remains 12/13 properties
FORMULA ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 998 ms. (4 steps per ms) remains 11/12 properties
FORMULA ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 1086 ms. (3 steps per ms) remains 11/11 properties
[2026-05-31 19:54:49] [INFO ] Flatten gal took : 26078 ms
BEST_FIRST walk for 4004 steps (8 resets) in 1022 ms. (3 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1780 ms. (2 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1055 ms. (3 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1273 ms. (3 steps per ms) remains 10/11 properties
FORMULA ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-31 19:54:51] [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-1699776007918568630.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3922489355101038022.kers'
[2026-05-31 19:54:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1699776007918568630.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3922489355101038022.kers]
Normalized transition count is 73823 out of 73824 initially.
Culled 0 columns in 427 ms.
// Phase 1: matrix 73823 rows 99 cols 2310455 entries
Finished phase 1 with 62 SingleSign rule and 3 generalized
[2026-05-31 19:54:54] [INFO ] Computed 34 invariants in 1893 ms
Computed 34 P flows in 1895 ms.
Exported basis to /tmp/petrispot-output-3922489355101038022.kers
Total runtime 2164 ms.
[2026-05-31 19:54:55] [INFO ] State equation strengthened by 35 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 62/62 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Problem ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-04 is UNSAT
FORMULA ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-04 FALSE TECHNIQUES SMT_REFINEMENT
Problem ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-11 is UNSAT
FORMULA ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-11 FALSE TECHNIQUES SMT_REFINEMENT
Problem ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-12 is UNSAT
FORMULA ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-12 FALSE TECHNIQUES SMT_REFINEMENT
Problem ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-14 is UNSAT
FORMULA ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-14 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 9/71 variables, 16/78 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 9/87 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 1/88 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/88 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 14/85 variables, 4/92 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 14/106 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/85 variables, 0/106 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 14/99 variables, 13/119 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/99 variables, 14/133 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/99 variables, 0/133 constraints. Problems are: Problem set: 4 solved, 6 unsolved
SMT process timed out in 9753ms, After SMT, problems are : Problem set: 4 solved, 6 unsolved
Fused 6 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 62 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 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 99 transition count 73823
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 8 place count 96 transition count 73804
Iterating global reduction 1 with 3 rules applied. Total rules applied 11 place count 96 transition count 73804
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -17
Deduced a syphon composed of 1 places in 76 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 13 place count 95 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 95 transition count 73820
[2026-05-31 19:55:07] [INFO ] Flatten gal took : 18287 ms
Free-agglomeration rule applied 6 times.
Iterating global reduction 2 with 6 rules applied. Total rules applied 20 place count 95 transition count 73814
Reduce places removed 6 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
[2026-05-31 19:55:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3635066702867028367.gal : 2151 ms
[2026-05-31 19:55:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12852715511203600430.prop : 7 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/ReachabilityCardinality3635066702867028367.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12852715511203600430.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
Iterating post reduction 2 with 10 rules applied. Total rules applied 30 place count 89 transition count 73810
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 32 place count 87 transition count 73795
Iterating global reduction 3 with 2 rules applied. Total rules applied 34 place count 87 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 87 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 87 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 84 transition count 73782
Applied a total of 47 rules in 17348 ms. Remains 84 /99 variables (removed 15) and now considering 73782/73828 (removed 46) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17385 ms. Remains : 84/99 places, 73782/73828 transitions.
RANDOM walk for 40000 steps (8 resets) in 79669 ms. (0 steps per ms) remains 6/6 properties
BEST_FIRST walk for 24530 steps (4 resets) in 16196 ms. (1 steps per ms) remains 6/6 properties
BEST_FIRST walk for 22354 steps (5 resets) in 20067 ms. (1 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 6437 ms. (6 steps per ms) remains 5/6 properties
FORMULA ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 6914 ms. (5 steps per ms) remains 5/5 properties
BEST_FIRST walk for 25660 steps (4 resets) in 13150 ms. (1 steps per ms) remains 5/5 properties
BEST_FIRST walk for 13786 steps (2 resets) in 20053 ms. (0 steps per ms) remains 5/5 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3767590475032915783.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13043478448962215517.kers'
[2026-05-31 19:56:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3767590475032915783.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13043478448962215517.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 549 ms.
// Phase 1: matrix 73782 rows 81 cols 2310297 entries
Finished phase 1 with 48 SingleSign rule and 3 generalized
[2026-05-31 19:56:05] [INFO ] Computed 33 invariants in 1963 ms
Computed 33 P flows in 1964 ms.
Exported basis to /tmp/petrispot-output-13043478448962215517.kers
Total runtime 2245 ms.
[2026-05-31 19:56:06] [INFO ] State equation strengthened by 17 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 6/68 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 3/71 variables, 3/20 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 13/84 variables, 13/33 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 73866/73866 variables, and 117 constraints, problems are : Problem set: 0 solved, 5 unsolved in 46442 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 84/84 constraints, ReadFeed: 0/17 constraints, PredecessorRefiner: 5/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-06 is UNSAT
FORMULA ErlangenMainframeV1-PT-aP14C01-ReachabilityFireability-2024-06 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 6/68 variables, 16/16 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 1/17 constraints. Problems are: Problem set: 1 solved, 4 unsolved
Loading property file /tmp/ReachabilityCardinality12852715511203600430.prop.
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 0/17 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 3/71 variables, 3/20 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/20 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 13/84 variables, 13/33 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 0/33 constraints. Problems are: Problem set: 1 solved, 4 unsolved
SMT process timed out in 95283ms, After SMT, problems are : Problem set: 1 solved, 4 unsolved
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 62 out of 84 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 84/84 places, 73782/73782 transitions.
Applied a total of 0 rules in 2959 ms. Remains 84 /84 variables (removed 0) and now considering 73782/73782 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2960 ms. Remains : 84/84 places, 73782/73782 transitions.
RANDOM walk for 40000 steps (8 resets) in 81883 ms. (0 steps per ms) remains 4/4 properties
BEST_FIRST walk for 27241 steps (5 resets) in 16426 ms. (1 steps per ms) remains 4/4 properties
BEST_FIRST walk for 19099 steps (3 resets) in 16634 ms. (1 steps per ms) remains 4/4 properties
BEST_FIRST walk for 35991 steps (7 resets) in 13181 ms. (2 steps per ms) remains 4/4 properties
BEST_FIRST walk for 18045 steps (3 resets) in 20060 ms. (0 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 564267 steps, run timeout after 123003 ms. (steps per millisecond=4 ) properties seen :0 out of 4
Probabilistic random walk after 564267 steps, saw 351766 distinct states, run finished after 123041 ms. (steps per millisecond=4 ) properties seen :0
[2026-05-31 20:00:25] [INFO ] Invariant cache hit.
[2026-05-31 20:00:26] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 6/68 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 3/71 variables, 3/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 13/84 variables, 13/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
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
Solver is answering 'unknown', stopping.
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :330 after 347
After SMT solving in domain Real declared 73866/73866 variables, and 117 constraints, problems are : Problem set: 0 solved, 4 unsolved in 75015 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 84/84 constraints, ReadFeed: 0/17 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) 0/62 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 6/68 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/68 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 3/71 variables, 3/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 13/84 variables, 13/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :347 after 2857
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :2857 after 2983
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 73866/73866 variables, and 117 constraints, problems are : Problem set: 0 solved, 4 unsolved in 75022 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 84/84 constraints, ReadFeed: 0/17 constraints, PredecessorRefiner: 4/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 151206ms problems are : Problem set: 0 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 62 out of 84 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 84/84 places, 73782/73782 transitions.
Applied a total of 0 rules in 3138 ms. Remains 84 /84 variables (removed 0) and now considering 73782/73782 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3138 ms. Remains : 84/84 places, 73782/73782 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 84/84 places, 73782/73782 transitions.
Applied a total of 0 rules in 3098 ms. Remains 84 /84 variables (removed 0) and now considering 73782/73782 (removed 0) transitions.
[2026-05-31 20:03:03] [INFO ] Invariant cache hit.
[2026-05-31 20:03:03] [INFO ] Implicit Places using invariants in 268 ms returned [73, 74, 78]
[2026-05-31 20:03:03] [INFO ] Actually due to overlaps returned [73, 78]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 609 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 82/84 places, 73782/73782 transitions.
Graph (trivial) has 4 edges and 82 vertex of which 3 / 82 are part of one of the 1 SCC in 11 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.
Applied a total of 1 rules in 3209 ms. Remains 80 /82 variables (removed 2) and now considering 73776/73782 (removed 6) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11353962601644267189.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3609151886216781949.kers'
[2026-05-31 20:03:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11353962601644267189.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3609151886216781949.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 422 ms.
// Phase 1: matrix 73776 rows 79 cols 2310255 entries
Finished phase 1 with 46 SingleSign rule and 3 generalized
[2026-05-31 20:03:09] [INFO ] Computed 31 invariants in 1913 ms
Computed 31 P flows in 1915 ms.
Exported basis to /tmp/petrispot-output-3609151886216781949.kers
Total runtime 2348 ms.
[2026-05-31 20:03:09] [INFO ] Implicit Places using invariants in 2870 ms returned [73]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 3142 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 79/84 places, 73776/73782 transitions.
Applied a total of 0 rules in 2859 ms. Remains 79 /79 variables (removed 0) and now considering 73776/73776 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 12958 ms. Remains : 79/84 places, 73776/73782 transitions.
RANDOM walk for 40000 steps (8 resets) in 87004 ms. (0 steps per ms) remains 4/4 properties
BEST_FIRST walk for 16399 steps (3 resets) in 20046 ms. (0 steps per ms) remains 4/4 properties
BEST_FIRST walk for 12497 steps (2 resets) in 20105 ms. (0 steps per ms) remains 4/4 properties
BEST_FIRST walk for 6717 steps (0 resets) in 20064 ms. (0 steps per ms) remains 4/4 properties
BEST_FIRST walk for 14935 steps (3 resets) in 20095 ms. (0 steps per ms) remains 4/4 properties
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :2983 after 17008
Interrupted probabilistic random walk after 567875 steps, run timeout after 126003 ms. (steps per millisecond=4 ) properties seen :0 out of 4
Probabilistic random walk after 567875 steps, saw 333688 distinct states, run finished after 126003 ms. (steps per millisecond=4 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9675995785732280231.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4027878622925900393.kers'
[2026-05-31 20:06:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9675995785732280231.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4027878622925900393.kers]
Culled 0 columns in 393 ms.
// Phase 1: matrix 73776 rows 79 cols 2310255 entries
Finished phase 1 with 46 SingleSign rule and 3 generalized
[2026-05-31 20:06:03] [INFO ] Computed 30 invariants in 1691 ms
Computed 30 P flows in 1691 ms.
Exported basis to /tmp/petrispot-output-4027878622925900393.kers
Total runtime 1952 ms.
[2026-05-31 20:06:04] [INFO ] State equation strengthened by 15 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/66 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 13/79 variables, 13/30 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/79 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 73855/73855 variables, and 109 constraints, problems are : Problem set: 0 solved, 4 unsolved in 90006 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 79/79 constraints, ReadFeed: 0/15 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) 0/62 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/66 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 13/79 variables, 13/30 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/79 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 73855/73855 variables, and 109 constraints, problems are : Problem set: 0 solved, 4 unsolved in 90018 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 79/79 constraints, ReadFeed: 0/15 constraints, PredecessorRefiner: 4/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 183266ms problems are : Problem set: 0 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 62 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 73776/73776 transitions.
Applied a total of 0 rules in 3069 ms. Remains 79 /79 variables (removed 0) and now considering 73776/73776 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3070 ms. Remains : 79/79 places, 73776/73776 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 73776/73776 transitions.
Applied a total of 0 rules in 2968 ms. Remains 79 /79 variables (removed 0) and now considering 73776/73776 (removed 0) transitions.
[2026-05-31 20:09:10] [INFO ] Invariant cache hit.
[2026-05-31 20:09:10] [INFO ] Implicit Places using invariants in 192 ms returned []
Implicit Place search using SMT only with invariants took 194 ms to find 0 implicit places.
Running 73775 sub problems to find dead transitions.
[2026-05-31 20:09:12] [INFO ] Invariant cache hit.
[2026-05-31 20:09:16] [INFO ] State equation strengthened by 15 read => feed constraints.
SMT process timed out in 530691ms, After SMT, problems are : Problem set: 0 solved, 73775 unsolved
Search for dead transitions found 0 dead transitions in 531442ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 535299 ms. Remains : 79/79 places, 73776/73776 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 2937 ms. Remains 79 /79 variables (removed 0) and now considering 73776/73776 (removed 0) transitions.
Running SMT prover for 4 properties.
[2026-05-31 20:18:06] [INFO ] Invariant cache hit.
[2026-05-31 20:18:06] [INFO ] [Real]Absence check using 16 positive place invariants in 10 ms returned sat
[2026-05-31 20:18:06] [INFO ] [Real]Absence check using 16 positive and 14 generalized place invariants in 5 ms returned sat
[2026-05-31 20:20:18] [INFO ] After 132225ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2026-05-31 20:20:18] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-31 20:20:18] [INFO ] [Nat]Absence check using 16 positive and 14 generalized place invariants in 5 ms returned sat
[2026-05-31 20:22:34] [INFO ] After 135079ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
TRAPS : Iteration 0
[2026-05-31 20:23:25] [INFO ] After 186855ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
[2026-05-31 20:23:48] [INFO ] After 209489ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Over-approximation ignoring read arcs solved 0 properties in 345542 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-31 20:24:21] [INFO ] Flatten gal took : 25296 ms
[2026-05-31 20:24:21] [INFO ] Applying decomposition
[2026-05-31 20:24:43] [INFO ] Flatten gal took : 21878 ms
[2026-05-31 20:25:58] [WARNING] Could not apply decomposition. Using flat GAL structure.
java.util.concurrent.TimeoutException: Subprocess running '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph7761764671896286232.txt' '-o' '/tmp/graph7761764671896286232.bin' '-w' '/tmp/graph7761764671896286232.weights' killed by timeout after 10 SECONDS
at fr.lip6.move.gal.process.Runner.waitForOrTimeout(Runner.java:76)
at fr.lip6.move.gal.process.Runner.runTool(Runner.java:47)
at fr.lip6.move.gal.process.Runner.runTool(Runner.java:27)
at fr.lip6.move.gal.louvain.GraphBuilder.convertGraphToBin(GraphBuilder.java:258)
at fr.lip6.move.gal.louvain.GraphBuilder.computeLouvain(GraphBuilder.java:189)
at fr.lip6.move.gal.louvain.GraphBuilder.computeLouvain(GraphBuilder.java:157)
at fr.lip6.move.gal.application.mcc.MccTranslator.applyOrder(MccTranslator.java:114)
at fr.lip6.move.gal.application.mcc.MccTranslator.flattenSpec(MccTranslator.java:230)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:714)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:71)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-31 20:26:17] [INFO ] Flatten gal took : 18530 ms
[2026-05-31 20:26:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4052403168890648121.gal : 2002 ms
[2026-05-31 20:26:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7534660787972570160.prop : 1 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/ReachabilityCardinality4052403168890648121.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7534660787972570160.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328

BK_STOP 1780259515340

--------------------
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="ErlangenMainframeV1-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 ErlangenMainframeV1-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-178021499000047"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ErlangenMainframeV1-PT-aP14C01.tgz
mv ErlangenMainframeV1-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 ;