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.r344-smll-178021500800062.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-bP07C07, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r344-smll-178021500800062
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.1M
-rw-r--r-- 1 mcc users 8.0K May 27 08:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K May 27 08:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 27 08:56 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K May 27 08:56 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 27 10:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 27 10:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 27 10:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 27 10:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 9.5K May 27 08:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 97K May 27 08:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K May 27 08:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K May 27 08:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 27 10:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 27 10:33 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 5.7M 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

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1780301361298

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ErlangenMainframeV1-PT-bP07C07
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-06-01 08:09:23] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-06-01 08:09:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-01 08:09:24] [INFO ] Load time of PNML (sax parser for PT used): 933 ms
[2026-06-01 08:09:25] [INFO ] Transformed 293 places.
[2026-06-01 08:09:25] [INFO ] Transformed 6879 transitions.
[2026-06-01 08:09:25] [INFO ] Found NUPN structural information;
[2026-06-01 08:09:25] [INFO ] Parsed PT model containing 293 places and 6879 transitions and 114566 arcs in 1228 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 293/293 places, 6879/6879 transitions.
Graph (trivial) has 261 edges and 293 vertex of which 12 / 293 are part of one of the 5 SCC in 13 ms
Free SCC test removed 7 places
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 118 transitions
Trivial Post-agglo rules discarded 118 transitions
Performed 118 trivial Post agglomeration. Transition count delta: 118
Iterating post reduction 0 with 118 rules applied. Total rules applied 119 place count 286 transition count 6753
Reduce places removed 118 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 1 with 130 rules applied. Total rules applied 249 place count 168 transition count 6741
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 252 place count 165 transition count 6741
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 252 place count 165 transition count 6737
Deduced a syphon composed of 4 places in 33 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 260 place count 161 transition count 6737
Performed 76 Post agglomeration using F-continuation condition.Transition count delta: 76
Deduced a syphon composed of 76 places in 4 ms
Reduce places removed 76 places and 0 transitions.
Iterating global reduction 3 with 152 rules applied. Total rules applied 412 place count 85 transition count 6661
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 4 places in 10 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 420 place count 81 transition count 6661
Applied a total of 420 rules in 1070 ms. Remains 81 /293 variables (removed 212) and now considering 6661/6879 (removed 218) transitions.
[2026-06-01 08:09:26] [INFO ] Flow matrix only has 6643 transitions (discarded 18 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17731618453954811478.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9459923501391428641.kers'
[2026-06-01 08:09:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17731618453954811478.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9459923501391428641.kers]
Normalized transition count is 6642 out of 6643 initially.
Culled 0 columns in 20 ms.
// Phase 1: matrix 6642 rows 81 cols 114058 entries
Finished phase 1 with 58 SingleSign rule and 3 generalized
[2026-06-01 08:09:26] [INFO ] Computed 20 invariants in 73 ms
Computed 20 P flows in 74 ms.
Exported basis to /tmp/petrispot-output-9459923501391428641.kers
Total runtime 92 ms.
[2026-06-01 08:09:32] [INFO ] Implicit Places using invariants in 6447 ms returned [59]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 6517 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 80/293 places, 6661/6879 transitions.
Applied a total of 0 rules in 54 ms. Remains 80 /80 variables (removed 0) and now considering 6661/6661 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 7669 ms. Remains : 80/293 places, 6661/6879 transitions.
Discarding 45 transitions out of 6661. Remains 6616
Initial state reduction rules removed 1 formulas.
[2026-06-01 08:09:40] [INFO ] Flatten gal took : 2795 ms
[2026-06-01 08:09:41] [INFO ] Flatten gal took : 1128 ms
[2026-06-01 08:09:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17016318038675082055.gal : 583 ms
[2026-06-01 08:09:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8842236297836263736.prop : 289 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/ReachabilityCardinality17016318038675082055.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8842236297836263736.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
RANDOM walk for 40000 steps (934 resets) in 37553 ms. (1 steps per ms) remains 6376/6615 properties
BEST_FIRST walk for 120 steps (8 resets) in 23 ms. (5 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 28 ms. (4 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 24 ms. (4 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 32 ms. (3 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 43 ms. (2 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 41 ms. (2 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 45 ms. (2 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 25 ms. (4 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 22 ms. (5 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 18 ms. (6 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 20 ms. (5 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 20 ms. (5 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 17 ms. (6 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 16 ms. (7 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 21 ms. (5 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 26 ms. (4 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 27 ms. (4 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 22 ms. (5 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 30 ms. (3 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 31 ms. (3 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 27 ms. (4 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 33 ms. (3 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 28 ms. (4 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 28 ms. (4 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 32 ms. (3 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 28 ms. (4 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 31 ms. (3 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 26 ms. (4 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 31 ms. (3 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 26 ms. (4 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 33 ms. (3 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 26 ms. (4 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 19 ms. (6 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 34 ms. (3 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 33 ms. (3 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 24 ms. (4 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 27 ms. (4 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 28 ms. (4 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 23 ms. (5 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 30 ms. (3 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 21 ms. (5 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 27 ms. (4 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 21 ms. (5 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 21 ms. (5 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 21 ms. (5 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 22 ms. (5 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 18 ms. (6 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 19 ms. (6 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 18 ms. (6 steps per ms) remains 6376/6376 properties
BEST_FIRST walk for 120 steps (8 resets) in 19 ms. (6 steps per ms) remains 6376/6376 properties
Loading property file /tmp/ReachabilityCardinality8842236297836263736.prop.
Probabilistic random walk after 30001 steps, saw 12128 distinct states, run finished after 6910 ms. (steps per millisecond=4 ) properties seen :7
[2026-06-01 08:09:52] [INFO ] Flow matrix only has 6643 transitions (discarded 18 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6101877622537091886.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1248373163378637971.kers'
[2026-06-01 08:09:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6101877622537091886.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1248373163378637971.kers]
Normalized transition count is 6642 out of 6643 initially.
Culled 0 columns in 18 ms.
// Phase 1: matrix 6642 rows 80 cols 107497 entries
Finished phase 1 with 58 SingleSign rule and 3 generalized
[2026-06-01 08:09:53] [INFO ] Computed 19 invariants in 71 ms
Computed 19 P flows in 72 ms.
Exported basis to /tmp/petrispot-output-1248373163378637971.kers
Total runtime 88 ms.
[2026-06-01 08:09:53] [INFO ] State equation strengthened by 23 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Reachability property qltransition_25 is true.
Reachability property qltransition_24 is true.
Reachability property qltransition_23 is true.
Reachability property qltransition_5 is true.
Reachability property qltransition_2 is true.
SDD proceeding with computation,6610 properties remain. new max is 2
SDD size :1 after 9
SDD proceeding with computation,6610 properties remain. new max is 4
SDD size :9 after 65
SDD proceeding with computation,6610 properties remain. new max is 8
SDD size :65 after 129
Reachability property qltransition_54 is true.
Reachability property qltransition_52 is true.
Reachability property qltransition_50 is true.
Reachability property qltransition_48 is true.
Reachability property qltransition_46 is true.
Reachability property qltransition_44 is true.
Reachability property qltransition_42 is true.
Reachability property qltransition_7 is true.
SDD proceeding with computation,6602 properties remain. new max is 8
SDD size :129 after 2305
SDD proceeding with computation,6602 properties remain. new max is 16
SDD size :2305 after 6673
SDD proceeding with computation,6602 properties remain. new max is 32
SDD size :6673 after 8746
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 6369 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 45/6723 variables, and 45 constraints, problems are : Problem set: 0 solved, 6369 unsolved in 5333 ms.
Refiners :[Domain max(s): 45/80 constraints, Positive P Invariants (semi-flows): 0/12 constraints, Generalized P Invariants (flows): 0/7 constraints, State Equation: 0/80 constraints, ReadFeed: 0/23 constraints, PredecessorRefiner: 6369/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6369 unsolved
Reachability property qltransition_40 is true.
Reachability property qltransition_38 is true.
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 6369 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 45/6723 variables, and 45 constraints, problems are : Problem set: 0 solved, 6369 unsolved in 5147 ms.
Refiners :[Domain max(s): 45/80 constraints, Positive P Invariants (semi-flows): 0/12 constraints, Generalized P Invariants (flows): 0/7 constraints, State Equation: 0/80 constraints, ReadFeed: 0/23 constraints, PredecessorRefiner: 6369/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 22826ms problems are : Problem set: 0 solved, 6369 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 45 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 6661/6661 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Reachability property qltransition_36 is true.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 80 transition count 6654
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 9 place count 78 transition count 6654
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 15 place count 72 transition count 6628
Iterating global reduction 2 with 6 rules applied. Total rules applied 21 place count 72 transition count 6628
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 25 place count 72 transition count 6624
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 27 place count 70 transition count 6620
Iterating global reduction 3 with 2 rules applied. Total rules applied 29 place count 70 transition count 6620
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Reachability property qltransition_34 is true.
Iterating post reduction 3 with 2 rules applied. Total rules applied 31 place count 70 transition count 6618
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -15
Deduced a syphon composed of 3 places in 2 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 37 place count 67 transition count 6633
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 38 place count 67 transition count 6632
Reachability property qltransition_32 is true.
Reachability property qltransition_30 is true.
Reachability property qltransition_28 is true.
Reachability property qltransition_4 is true.
SDD proceeding with computation,6594 properties remain. new max is 32
SDD size :8746 after 190297
Reachability property qltransition_6659 is true.
Reachability property qltransition_6655 is true.
Reachability property qltransition_6651 is true.
Reachability property qltransition_6647 is true.
Drop transitions (Redundant composition of simpler transitions.) removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 5 with 14 rules applied. Total rules applied 52 place count 67 transition count 6618
SDD proceeding with computation,6590 properties remain. new max is 32
SDD size :190297 after 5.89824e+06
Free-agglomeration rule applied 5 times.
Iterating global reduction 5 with 5 rules applied. Total rules applied 57 place count 67 transition count 6613
Reduce places removed 5 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 5 with 21 rules applied. Total rules applied 78 place count 62 transition count 6597
Applied a total of 78 rules in 6420 ms. Remains 62 /80 variables (removed 18) and now considering 6597/6661 (removed 64) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6424 ms. Remains : 62/80 places, 6597/6661 transitions.
RANDOM walk for 200092 steps (0 resets) in 120004 ms. (1 steps per ms) remains 117/6369 properties
BEST_FIRST walk for 40002 steps (8 resets) in 495 ms. (80 steps per ms) remains 115/117 properties
BEST_FIRST walk for 40003 steps (8 resets) in 460 ms. (86 steps per ms) remains 105/115 properties
BEST_FIRST walk for 40004 steps (8 resets) in 490 ms. (81 steps per ms) remains 98/105 properties
BEST_FIRST walk for 40003 steps (8 resets) in 613 ms. (65 steps per ms) remains 95/98 properties
BEST_FIRST walk for 40002 steps (8 resets) in 642 ms. (62 steps per ms) remains 94/95 properties
BEST_FIRST walk for 40003 steps (8 resets) in 650 ms. (61 steps per ms) remains 93/94 properties
BEST_FIRST walk for 40002 steps (8 resets) in 642 ms. (62 steps per ms) remains 92/93 properties
BEST_FIRST walk for 40004 steps (8 resets) in 586 ms. (68 steps per ms) remains 91/92 properties
BEST_FIRST walk for 40004 steps (8 resets) in 578 ms. (69 steps per ms) remains 90/91 properties
BEST_FIRST walk for 40003 steps (8 resets) in 586 ms. (68 steps per ms) remains 89/90 properties
BEST_FIRST walk for 40004 steps (8 resets) in 479 ms. (83 steps per ms) remains 88/89 properties
BEST_FIRST walk for 40004 steps (8 resets) in 468 ms. (85 steps per ms) remains 87/88 properties
BEST_FIRST walk for 40004 steps (8 resets) in 486 ms. (82 steps per ms) remains 86/87 properties
BEST_FIRST walk for 40003 steps (8 resets) in 587 ms. (68 steps per ms) remains 85/86 properties
BEST_FIRST walk for 40004 steps (8 resets) in 521 ms. (76 steps per ms) remains 84/85 properties
BEST_FIRST walk for 40003 steps (8 resets) in 503 ms. (79 steps per ms) remains 83/84 properties
BEST_FIRST walk for 40003 steps (8 resets) in 524 ms. (76 steps per ms) remains 82/83 properties
BEST_FIRST walk for 40003 steps (8 resets) in 522 ms. (76 steps per ms) remains 81/82 properties
BEST_FIRST walk for 40004 steps (8 resets) in 532 ms. (75 steps per ms) remains 80/81 properties
BEST_FIRST walk for 40004 steps (8 resets) in 615 ms. (64 steps per ms) remains 77/80 properties
BEST_FIRST walk for 40004 steps (8 resets) in 639 ms. (62 steps per ms) remains 76/77 properties
BEST_FIRST walk for 40004 steps (8 resets) in 587 ms. (68 steps per ms) remains 75/76 properties
BEST_FIRST walk for 40004 steps (8 resets) in 511 ms. (78 steps per ms) remains 74/75 properties
BEST_FIRST walk for 40004 steps (8 resets) in 512 ms. (77 steps per ms) remains 73/74 properties
BEST_FIRST walk for 40003 steps (8 resets) in 419 ms. (95 steps per ms) remains 72/73 properties
BEST_FIRST walk for 40004 steps (8 resets) in 475 ms. (84 steps per ms) remains 71/72 properties
BEST_FIRST walk for 40003 steps (8 resets) in 483 ms. (82 steps per ms) remains 70/71 properties
BEST_FIRST walk for 40004 steps (8 resets) in 489 ms. (81 steps per ms) remains 69/70 properties
BEST_FIRST walk for 40004 steps (8 resets) in 482 ms. (82 steps per ms) remains 68/69 properties
BEST_FIRST walk for 40003 steps (8 resets) in 473 ms. (84 steps per ms) remains 67/68 properties
BEST_FIRST walk for 40004 steps (8 resets) in 389 ms. (102 steps per ms) remains 66/67 properties
BEST_FIRST walk for 40004 steps (8 resets) in 497 ms. (80 steps per ms) remains 65/66 properties
BEST_FIRST walk for 40004 steps (8 resets) in 490 ms. (81 steps per ms) remains 64/65 properties
BEST_FIRST walk for 40003 steps (8 resets) in 515 ms. (77 steps per ms) remains 63/64 properties
BEST_FIRST walk for 40004 steps (8 resets) in 499 ms. (80 steps per ms) remains 62/63 properties
BEST_FIRST walk for 40003 steps (8 resets) in 521 ms. (76 steps per ms) remains 61/62 properties
BEST_FIRST walk for 40003 steps (8 resets) in 520 ms. (76 steps per ms) remains 60/61 properties
BEST_FIRST walk for 40004 steps (8 resets) in 513 ms. (77 steps per ms) remains 59/60 properties
BEST_FIRST walk for 40003 steps (8 resets) in 486 ms. (82 steps per ms) remains 58/59 properties
BEST_FIRST walk for 40002 steps (8 resets) in 426 ms. (93 steps per ms) remains 57/58 properties
BEST_FIRST walk for 40004 steps (8 resets) in 494 ms. (80 steps per ms) remains 56/57 properties
BEST_FIRST walk for 40004 steps (8 resets) in 466 ms. (85 steps per ms) remains 55/56 properties
BEST_FIRST walk for 40004 steps (8 resets) in 469 ms. (85 steps per ms) remains 54/55 properties
BEST_FIRST walk for 40003 steps (8 resets) in 464 ms. (86 steps per ms) remains 53/54 properties
BEST_FIRST walk for 40003 steps (8 resets) in 476 ms. (83 steps per ms) remains 52/53 properties
BEST_FIRST walk for 40003 steps (8 resets) in 506 ms. (78 steps per ms) remains 51/52 properties
BEST_FIRST walk for 40004 steps (8 resets) in 493 ms. (80 steps per ms) remains 50/51 properties
BEST_FIRST walk for 40003 steps (8 resets) in 403 ms. (99 steps per ms) remains 49/50 properties
BEST_FIRST walk for 40004 steps (8 resets) in 432 ms. (92 steps per ms) remains 48/49 properties
BEST_FIRST walk for 40004 steps (8 resets) in 441 ms. (90 steps per ms) remains 47/48 properties
BEST_FIRST walk for 40004 steps (8 resets) in 431 ms. (92 steps per ms) remains 46/47 properties
BEST_FIRST walk for 40003 steps (8 resets) in 545 ms. (73 steps per ms) remains 43/46 properties
BEST_FIRST walk for 40003 steps (8 resets) in 476 ms. (83 steps per ms) remains 42/43 properties
BEST_FIRST walk for 40002 steps (8 resets) in 495 ms. (80 steps per ms) remains 41/42 properties
BEST_FIRST walk for 40004 steps (8 resets) in 451 ms. (88 steps per ms) remains 40/41 properties
BEST_FIRST walk for 40004 steps (8 resets) in 524 ms. (76 steps per ms) remains 39/40 properties
BEST_FIRST walk for 40004 steps (8 resets) in 482 ms. (82 steps per ms) remains 38/39 properties
BEST_FIRST walk for 40003 steps (8 resets) in 450 ms. (88 steps per ms) remains 37/38 properties
BEST_FIRST walk for 40004 steps (8 resets) in 434 ms. (91 steps per ms) remains 36/37 properties
BEST_FIRST walk for 40004 steps (8 resets) in 492 ms. (81 steps per ms) remains 35/36 properties
BEST_FIRST walk for 40003 steps (8 resets) in 473 ms. (84 steps per ms) remains 34/35 properties
BEST_FIRST walk for 40004 steps (8 resets) in 468 ms. (85 steps per ms) remains 33/34 properties
BEST_FIRST walk for 40004 steps (8 resets) in 420 ms. (95 steps per ms) remains 32/33 properties
BEST_FIRST walk for 40002 steps (8 resets) in 405 ms. (98 steps per ms) remains 31/32 properties
BEST_FIRST walk for 40004 steps (8 resets) in 441 ms. (90 steps per ms) remains 30/31 properties
BEST_FIRST walk for 40004 steps (8 resets) in 467 ms. (85 steps per ms) remains 29/30 properties
BEST_FIRST walk for 40003 steps (8 resets) in 447 ms. (89 steps per ms) remains 28/29 properties
BEST_FIRST walk for 40004 steps (8 resets) in 405 ms. (98 steps per ms) remains 27/28 properties
BEST_FIRST walk for 40004 steps (8 resets) in 625 ms. (63 steps per ms) remains 26/27 properties
BEST_FIRST walk for 40004 steps (8 resets) in 581 ms. (68 steps per ms) remains 25/26 properties
BEST_FIRST walk for 40004 steps (8 resets) in 516 ms. (77 steps per ms) remains 24/25 properties
BEST_FIRST walk for 40004 steps (8 resets) in 624 ms. (64 steps per ms) remains 23/24 properties
BEST_FIRST walk for 40003 steps (8 resets) in 555 ms. (71 steps per ms) remains 22/23 properties
BEST_FIRST walk for 40004 steps (8 resets) in 562 ms. (71 steps per ms) remains 21/22 properties
BEST_FIRST walk for 40004 steps (8 resets) in 508 ms. (78 steps per ms) remains 20/21 properties
BEST_FIRST walk for 40004 steps (8 resets) in 613 ms. (65 steps per ms) remains 19/20 properties
BEST_FIRST walk for 40004 steps (8 resets) in 451 ms. (88 steps per ms) remains 18/19 properties
BEST_FIRST walk for 40004 steps (8 resets) in 439 ms. (90 steps per ms) remains 17/18 properties
BEST_FIRST walk for 40004 steps (8 resets) in 489 ms. (81 steps per ms) remains 16/17 properties
BEST_FIRST walk for 40004 steps (8 resets) in 451 ms. (88 steps per ms) remains 15/16 properties
BEST_FIRST walk for 40003 steps (8 resets) in 413 ms. (96 steps per ms) remains 14/15 properties
BEST_FIRST walk for 40004 steps (8 resets) in 415 ms. (96 steps per ms) remains 13/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 459 ms. (86 steps per ms) remains 12/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 494 ms. (80 steps per ms) remains 11/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 448 ms. (89 steps per ms) remains 10/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 471 ms. (84 steps per ms) remains 9/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 471 ms. (84 steps per ms) remains 8/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 449 ms. (88 steps per ms) remains 7/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 410 ms. (97 steps per ms) remains 6/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 377 ms. (105 steps per ms) remains 5/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 443 ms. (90 steps per ms) remains 4/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 582 ms. (68 steps per ms) remains 3/4 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4458655159642673424.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15476692497315292328.kers'
[2026-06-01 08:11:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4458655159642673424.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15476692497315292328.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 27 ms.
// Phase 1: matrix 6597 rows 60 cols 107261 entries
Finished phase 1 with 40 SingleSign rule and 3 generalized
[2026-06-01 08:11:07] [INFO ] Computed 19 invariants in 100 ms
Computed 19 P flows in 101 ms.
Exported basis to /tmp/petrispot-output-15476692497315292328.kers
Total runtime 125 ms.
[2026-06-01 08:11:07] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/17 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 28/45 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/45 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 6/51 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/51 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 11/62 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/62 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 6597/6659 variables, 62/81 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/6659 variables, 22/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/6659 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/6659 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 6659/6659 variables, and 103 constraints, problems are : Problem set: 0 solved, 3 unsolved in 5825 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 62/62 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/17 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 28/45 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/45 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 6/51 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/51 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 11/62 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/62 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 6597/6659 variables, 62/81 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/6659 variables, 22/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/6659 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/6659 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 6659/6659 variables, and 103 constraints, problems are : Problem set: 0 solved, 3 unsolved in 6549 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 62/62 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 12697ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 2 properties in 540 ms.
Support contains 9 out of 62 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 62/62 places, 6597/6597 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 48 transition count 4411
Ensure Unique test removed 6 places
Iterating global reduction 0 with 20 rules applied. Total rules applied 34 place count 42 transition count 4411
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 41 place count 35 transition count 293
Iterating global reduction 0 with 7 rules applied. Total rules applied 48 place count 35 transition count 293
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 0 with 7 rules applied. Total rules applied 55 place count 35 transition count 286
Free-agglomeration rule applied 7 times.
Iterating global reduction 0 with 7 rules applied. Total rules applied 62 place count 35 transition count 279
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 69 place count 28 transition count 279
Applied a total of 69 rules in 1337 ms. Remains 28 /62 variables (removed 34) and now considering 279/6597 (removed 6318) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1337 ms. Remains : 28/62 places, 279/6597 transitions.
RANDOM walk for 134 steps (0 resets) in 6 ms. (19 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 6616 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK PARIKH_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 117823 ms.

BK_STOP 1780301481703

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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-bP07C07"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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-bP07C07, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r344-smll-178021500800062"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ErlangenMainframeV1-PT-bP07C07.tgz
mv ErlangenMainframeV1-PT-bP07C07 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;