fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r002-oct2-177944366100220
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for Angiogenesis-PT-01

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
360.836 12929.00 25278.00 100.40 FFFFFFFFFTFTTFFF normal

Execution Chart

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

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r002-oct2-177944366100220.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 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 Angiogenesis-PT-01, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366100220
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 512K
-rw-r--r-- 1 mcc users 9.5K Mar 4 18:31 CTLCardinality.txt
-rw-r--r-- 1 mcc users 94K Mar 4 18:31 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Mar 4 18:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 4 18:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.4K Mar 15 07:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 4 18:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 115K Mar 4 18:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Mar 4 18:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K Mar 4 18:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 34K 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 Angiogenesis-PT-01-LTLFireability-00
FORMULA_NAME Angiogenesis-PT-01-LTLFireability-01
FORMULA_NAME Angiogenesis-PT-01-LTLFireability-02
FORMULA_NAME Angiogenesis-PT-01-LTLFireability-03
FORMULA_NAME Angiogenesis-PT-01-LTLFireability-04
FORMULA_NAME Angiogenesis-PT-01-LTLFireability-05
FORMULA_NAME Angiogenesis-PT-01-LTLFireability-06
FORMULA_NAME Angiogenesis-PT-01-LTLFireability-07
FORMULA_NAME Angiogenesis-PT-01-LTLFireability-08
FORMULA_NAME Angiogenesis-PT-01-LTLFireability-09
FORMULA_NAME Angiogenesis-PT-01-LTLFireability-10
FORMULA_NAME Angiogenesis-PT-01-LTLFireability-11
FORMULA_NAME Angiogenesis-PT-01-LTLFireability-12
FORMULA_NAME Angiogenesis-PT-01-LTLFireability-13
FORMULA_NAME Angiogenesis-PT-01-LTLFireability-14
FORMULA_NAME Angiogenesis-PT-01-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779466144554

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Angiogenesis-PT-01
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-22 16:09:05] [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]
[2026-05-22 16:09:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 16:09:06] [INFO ] Load time of PNML (sax parser for PT used): 77 ms
[2026-05-22 16:09:06] [INFO ] Transformed 39 places.
[2026-05-22 16:09:06] [INFO ] Transformed 64 transitions.
[2026-05-22 16:09:06] [INFO ] Found NUPN structural information;
[2026-05-22 16:09:06] [INFO ] Parsed PT model containing 39 places and 64 transitions and 185 arcs in 210 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 19 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 6 formulas.
FORMULA Angiogenesis-PT-01-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Angiogenesis-PT-01-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Angiogenesis-PT-01-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Angiogenesis-PT-01-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Angiogenesis-PT-01-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Angiogenesis-PT-01-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 26 out of 39 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 39/39 places, 64/64 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 38 transition count 64
Applied a total of 1 rules in 13 ms. Remains 38 /39 variables (removed 1) and now considering 64/64 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15499558835401240703.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10461696821442745470.kers'
[2026-05-22 16:09:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15499558835401240703.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10461696821442745470.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 64 rows 37 cols 181 entries
Finished phase 1 with 31 SingleSign rule and 0 generalized
[2026-05-22 16:09:06] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10461696821442745470.kers
Total runtime 1 ms.
[2026-05-22 16:09:06] [INFO ] Implicit Places using invariants in 210 ms returned [4, 32]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 256 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 36/39 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 36 /36 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 286 ms. Remains : 36/39 places, 64/64 transitions.
Starting structural reductions in LTL mode, iteration 0 : 36/36 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 36 /36 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15076631357755909896.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18404340482927630636.kers'
[2026-05-22 16:09:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15076631357755909896.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18404340482927630636.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 64 rows 36 cols 175 entries
Finished phase 1 with 31 SingleSign rule and 0 generalized
[2026-05-22 16:09:06] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-18404340482927630636.kers
Total runtime 1 ms.
[2026-05-22 16:09:06] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-22 16:09:06] [INFO ] Invariant cache hit.
[2026-05-22 16:09:06] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 100 ms to find 0 implicit places.
Running 61 sub problems to find dead transitions.
[2026-05-22 16:09:06] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD55 is UNSAT
Problem TDEAD57 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 5/41 constraints. Problems are: Problem set: 9 solved, 52 unsolved
Problem TDEAD23 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD56 is UNSAT
Problem TDEAD61 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/36 variables, 1/42 constraints. Problems are: Problem set: 14 solved, 47 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/36 variables, 0/42 constraints. Problems are: Problem set: 14 solved, 47 unsolved
At refinement iteration 4 (OVERLAPS) 64/100 variables, 36/78 constraints. Problems are: Problem set: 14 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 0/78 constraints. Problems are: Problem set: 14 solved, 47 unsolved
At refinement iteration 6 (OVERLAPS) 0/100 variables, 0/78 constraints. Problems are: Problem set: 14 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Real declared 100/100 variables, and 78 constraints, problems are : Problem set: 14 solved, 47 unsolved in 1350 ms.
Refiners :[Domain max(s): 36/36 constraints, Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 36/36 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 14 solved, 47 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 28/28 constraints. Problems are: Problem set: 14 solved, 47 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/28 variables, 0/28 constraints. Problems are: Problem set: 14 solved, 47 unsolved
At refinement iteration 2 (OVERLAPS) 8/36 variables, 5/33 constraints. Problems are: Problem set: 14 solved, 47 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/36 variables, 8/41 constraints. Problems are: Problem set: 14 solved, 47 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 1/42 constraints. Problems are: Problem set: 14 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 0/42 constraints. Problems are: Problem set: 14 solved, 47 unsolved
At refinement iteration 6 (OVERLAPS) 64/100 variables, 36/78 constraints. Problems are: Problem set: 14 solved, 47 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/100 variables, 47/125 constraints. Problems are: Problem set: 14 solved, 47 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 0/125 constraints. Problems are: Problem set: 14 solved, 47 unsolved
At refinement iteration 9 (OVERLAPS) 0/100 variables, 0/125 constraints. Problems are: Problem set: 14 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Int declared 100/100 variables, and 125 constraints, problems are : Problem set: 14 solved, 47 unsolved in 2000 ms.
Refiners :[Domain max(s): 36/36 constraints, Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 36/36 constraints, PredecessorRefiner: 47/61 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3418ms problems are : Problem set: 14 solved, 47 unsolved
Search for dead transitions found 14 dead transitions in 3428ms
Found 14 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 14 transitions
Dead transitions reduction (with SMT) removed 14 transitions
Starting structural reductions in LTL mode, iteration 1 : 36/36 places, 50/64 transitions.
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 32 transition count 50
Deduced a syphon composed of 2 places in 0 ms
Applied a total of 4 rules in 6 ms. Remains 32 /36 variables (removed 4) and now considering 50/50 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11660141302272058632.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12493722380461912796.kers'
[2026-05-22 16:09:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11660141302272058632.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12493722380461912796.kers]
Culling trivial invariants: removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 50 rows 30 cols 133 entries
Finished phase 1 with 25 SingleSign rule and 1 generalized
[2026-05-22 16:09:10] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12493722380461912796.kers
Total runtime 0 ms.
[2026-05-22 16:09:10] [INFO ] Implicit Places using invariants in 51 ms returned []
[2026-05-22 16:09:10] [INFO ] Invariant cache hit.
[2026-05-22 16:09:10] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 32/36 places, 50/64 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 3638 ms. Remains : 32/36 places, 50/64 transitions.
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Support contains 24 out of 30 places after structural reductions.
[2026-05-22 16:09:10] [INFO ] Initial state reduction rules for LTL removed 1 formulas.
[2026-05-22 16:09:10] [INFO ] Flatten gal took : 22 ms
FORMULA Angiogenesis-PT-01-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-22 16:09:10] [INFO ] Flatten gal took : 7 ms
[2026-05-22 16:09:10] [INFO ] Input system was already deterministic with 50 transitions.
Support contains 22 out of 30 places (down from 24) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 21 to 20
RANDOM walk for 40000 steps (12 resets) in 1524 ms. (26 steps per ms) remains 4/20 properties
BEST_FIRST walk for 40004 steps (8 resets) in 255 ms. (156 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 152 ms. (261 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 132 ms. (300 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40000 steps (8 resets) in 176 ms. (225 steps per ms) remains 4/4 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3436868867540308380.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2531267243312570668.kers'
[2026-05-22 16:09:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3436868867540308380.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2531267243312570668.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 50 rows 30 cols 133 entries
Finished phase 1 with 25 SingleSign rule and 1 generalized
[2026-05-22 16:09:11] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2531267243312570668.kers
Total runtime 0 ms.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 2/10 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 17/27 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/27 variables, 17/31 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/27 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 49/76 variables, 27/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/76 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem AtomicPropp4 is UNSAT
Problem AtomicPropp11 is UNSAT
Problem AtomicPropp20 is UNSAT
At refinement iteration 10 (OVERLAPS) 4/80 variables, 3/61 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/80 variables, 3/64 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/80 variables, 0/64 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/80 variables, 0/64 constraints. Problems are: Problem set: 3 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 80/80 variables, and 64 constraints, problems are : Problem set: 3 solved, 1 unsolved in 97 ms.
Refiners :[Domain max(s): 30/30 constraints, Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 30/30 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 24/26 variables, 3/5 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 24/29 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/26 variables, 0/29 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/27 variables, 1/30 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/27 variables, 1/31 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/27 variables, 0/31 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 49/76 variables, 27/58 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/76 variables, 0/58 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/80 variables, 3/61 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/80 variables, 3/64 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/80 variables, 1/65 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/80 variables, 0/65 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/80 variables, 0/65 constraints. Problems are: Problem set: 3 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 80/80 variables, and 65 constraints, problems are : Problem set: 3 solved, 1 unsolved in 73 ms.
Refiners :[Domain max(s): 30/30 constraints, Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 30/30 constraints, PredecessorRefiner: 1/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 180ms problems are : Problem set: 3 solved, 1 unsolved
Parikh walk visited 0 properties in 1 ms.
Support contains 2 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 50/50 transitions.
Graph (trivial) has 14 edges and 30 vertex of which 8 / 30 are part of one of the 4 SCC in 5 ms
Free SCC test removed 4 places
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 11 transitions.
Graph (complete) has 69 edges and 26 vertex of which 25 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Remove reverse transitions (loop back) rule discarded transition t44 and 1 places that fell out of Prefix Of Interest.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 5 place count 24 transition count 36
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 11 place count 21 transition count 33
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 13 place count 21 transition count 31
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 19 place count 18 transition count 31
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 25 place count 18 transition count 25
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 3 with 3 rules applied. Total rules applied 28 place count 18 transition count 22
Reduce places removed 3 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 34 place count 15 transition count 19
Free-agglomeration rule applied 1 times.
Iterating global reduction 4 with 1 rules applied. Total rules applied 35 place count 15 transition count 18
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 36 place count 14 transition count 18
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 5 with 2 rules applied. Total rules applied 38 place count 14 transition count 18
Applied a total of 38 rules in 27 ms. Remains 14 /30 variables (removed 16) and now considering 18/50 (removed 32) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 14/30 places, 18/50 transitions.
RANDOM walk for 40000 steps (8 resets) in 102 ms. (388 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (8 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Probably explored full state space saw : 15 states, properties seen :0
Probabilistic random walk after 45 steps, saw 15 distinct states, run finished after 15 ms. (steps per millisecond=3 ) properties seen :0
Explored full state space saw : 15 states, properties seen :0
Exhaustive walk after 45 steps, saw 15 distinct states, run finished after 1 ms. (steps per millisecond=45 ) properties seen :0
Successfully simplified 5 atomic propositions for a total of 9 simplifications.
Initial state reduction rules removed 2 formulas.
FORMULA Angiogenesis-PT-01-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Angiogenesis-PT-01-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Angiogenesis-PT-01-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Graph (complete) has 81 edges and 30 vertex of which 29 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
FORMULA Angiogenesis-PT-01-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(G(p0))&&F(p1))))'
Support contains 5 out of 30 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 30/30 places, 50/50 transitions.
Graph (trivial) has 11 edges and 30 vertex of which 6 / 30 are part of one of the 3 SCC in 0 ms
Free SCC test removed 3 places
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Graph (complete) has 74 edges and 27 vertex of which 26 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 26 transition count 44
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 4 place count 25 transition count 44
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 8 place count 23 transition count 42
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 10 place count 23 transition count 42
Applied a total of 10 rules in 7 ms. Remains 23 /30 variables (removed 7) and now considering 42/50 (removed 8) transitions.
[2026-05-22 16:09:11] [INFO ] Flow matrix only has 36 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15890707081677744943.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8899997235088142684.kers'
[2026-05-22 16:09:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15890707081677744943.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8899997235088142684.kers]
Normalized transition count is 35 out of 36 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 35 rows 22 cols 92 entries
Finished phase 1 with 17 SingleSign rule and 3 generalized
[2026-05-22 16:09:11] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8899997235088142684.kers
Total runtime 0 ms.
[2026-05-22 16:09:11] [INFO ] Implicit Places using invariants in 65 ms returned []
[2026-05-22 16:09:11] [INFO ] Flow matrix only has 36 transitions (discarded 6 similar events)
[2026-05-22 16:09:11] [INFO ] Invariant cache hit.
[2026-05-22 16:09:11] [INFO ] Implicit Places using invariants and state equation in 64 ms returned [21]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 131 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 22/30 places, 42/50 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 22 transition count 39
Applied a total of 3 rules in 3 ms. Remains 22 /22 variables (removed 0) and now considering 39/42 (removed 3) transitions.
[2026-05-22 16:09:11] [INFO ] Flow matrix only has 36 transitions (discarded 3 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10129936364722983733.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8385483067753761902.kers'
[2026-05-22 16:09:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10129936364722983733.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8385483067753761902.kers]
Normalized transition count is 35 out of 36 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 35 rows 22 cols 92 entries
Finished phase 1 with 18 SingleSign rule and 2 generalized
[2026-05-22 16:09:11] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8385483067753761902.kers
Total runtime 0 ms.
[2026-05-22 16:09:11] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-22 16:09:11] [INFO ] Flow matrix only has 36 transitions (discarded 3 similar events)
[2026-05-22 16:09:11] [INFO ] Invariant cache hit.
[2026-05-22 16:09:11] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 22/30 places, 39/50 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 217 ms. Remains : 22/30 places, 39/50 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(G(p0))&&F(p1))))'
Stuttering acceptance computed with spot in 370 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Angiogenesis-PT-01-LTLFireability-02
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 2 ms.
FORMULA Angiogenesis-PT-01-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-01-LTLFireability-02 finished in 675 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 30/30 places, 50/50 transitions.
Graph (trivial) has 15 edges and 30 vertex of which 8 / 30 are part of one of the 4 SCC in 0 ms
Free SCC test removed 4 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Graph (complete) has 73 edges and 26 vertex of which 25 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 25 transition count 43
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 4 place count 24 transition count 43
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 11 rules applied. Total rules applied 15 place count 18 transition count 38
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 21 place count 15 transition count 39
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 2 with 10 rules applied. Total rules applied 31 place count 15 transition count 29
Applied a total of 31 rules in 6 ms. Remains 15 /30 variables (removed 15) and now considering 29/50 (removed 21) transitions.
[2026-05-22 16:09:12] [INFO ] Flow matrix only has 23 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3182644415739721592.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14641980151187511594.kers'
[2026-05-22 16:09:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3182644415739721592.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14641980151187511594.kers]
Normalized transition count is 22 out of 23 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 22 rows 15 cols 64 entries
Finished phase 1 with 11 SingleSign rule and 2 generalized
[2026-05-22 16:09:12] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14641980151187511594.kers
Total runtime 0 ms.
[2026-05-22 16:09:12] [INFO ] Implicit Places using invariants in 42 ms returned []
[2026-05-22 16:09:12] [INFO ] Flow matrix only has 23 transitions (discarded 6 similar events)
[2026-05-22 16:09:12] [INFO ] Invariant cache hit.
[2026-05-22 16:09:12] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-22 16:09:12] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 91 ms to find 0 implicit places.
[2026-05-22 16:09:12] [INFO ] Redundant transitions in 0 ms returned []
Running 24 sub problems to find dead transitions.
[2026-05-22 16:09:12] [INFO ] Flow matrix only has 23 transitions (discarded 6 similar events)
[2026-05-22 16:09:12] [INFO ] Invariant cache hit.
[2026-05-22 16:09:12] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (OVERLAPS) 1/15 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (OVERLAPS) 22/37 variables, 15/32 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/37 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/37 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 8 (OVERLAPS) 0/37 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 24 unsolved
No progress, stopping.
After SMT solving in domain Real declared 37/38 variables, and 33 constraints, problems are : Problem set: 0 solved, 24 unsolved in 333 ms.
Refiners :[Domain max(s): 15/15 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 15/15 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 24 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/14 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (OVERLAPS) 1/15 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (OVERLAPS) 22/37 variables, 15/32 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/37 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/37 variables, 24/57 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/37 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 9 (OVERLAPS) 0/37 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 24 unsolved
No progress, stopping.
After SMT solving in domain Int declared 37/38 variables, and 57 constraints, problems are : Problem set: 0 solved, 24 unsolved in 560 ms.
Refiners :[Domain max(s): 15/15 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 15/15 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 901ms problems are : Problem set: 0 solved, 24 unsolved
Search for dead transitions found 0 dead transitions in 903ms
Starting structural reductions in SI_LTL mode, iteration 1 : 15/30 places, 29/50 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1005 ms. Remains : 15/30 places, 29/50 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 103 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Angiogenesis-PT-01-LTLFireability-03
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Angiogenesis-PT-01-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-01-LTLFireability-03 finished in 1142 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(X(F((p0||G(F(p1))))))) U G(p2)))'
Support contains 4 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 50/50 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 29 transition count 50
Applied a total of 1 rules in 1 ms. Remains 29 /30 variables (removed 1) and now considering 50/50 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17759792972186805648.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10438927567947879441.kers'
[2026-05-22 16:09:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17759792972186805648.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10438927567947879441.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 50 rows 29 cols 132 entries
Finished phase 1 with 24 SingleSign rule and 2 generalized
[2026-05-22 16:09:13] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10438927567947879441.kers
Total runtime 2 ms.
[2026-05-22 16:09:13] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-22 16:09:13] [INFO ] Invariant cache hit.
[2026-05-22 16:09:13] [INFO ] Implicit Places using invariants and state equation in 73 ms returned [26]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 107 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 28/30 places, 50/50 transitions.
Applied a total of 0 rules in 0 ms. Remains 28 /28 variables (removed 0) and now considering 50/50 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 109 ms. Remains : 28/30 places, 50/50 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(X(F((G(F(p0))||p1))))) U G(p2)))'
Stuttering acceptance computed with spot in 301 ms :[(NOT p2), (AND (NOT p1) (NOT p0)), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p0) (NOT p2))]
Running random walk in product with property : Angiogenesis-PT-01-LTLFireability-07
Product exploration explored 100000 steps with 1110 reset in 239 ms.
Stack based approach found an accepted trace after 3089 steps with 43 reset with depth 2 and stack size 2 in 4 ms.
FORMULA Angiogenesis-PT-01-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property Angiogenesis-PT-01-LTLFireability-07 finished in 700 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(X((p0||X(G(p1)))))))))'
Support contains 2 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 50/50 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 29 transition count 50
Applied a total of 1 rules in 1 ms. Remains 29 /30 variables (removed 1) and now considering 50/50 (removed 0) transitions.
[2026-05-22 16:09:14] [INFO ] Invariant cache hit.
[2026-05-22 16:09:14] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-22 16:09:14] [INFO ] Invariant cache hit.
[2026-05-22 16:09:14] [INFO ] Implicit Places using invariants and state equation in 80 ms returned [26]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 106 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 28/30 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 28 /28 variables (removed 0) and now considering 50/50 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 108 ms. Remains : 28/30 places, 50/50 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(X((p0||X(G(p1)))))))))'
Stuttering acceptance computed with spot in 280 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Angiogenesis-PT-01-LTLFireability-10
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 0 ms.
FORMULA Angiogenesis-PT-01-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-01-LTLFireability-10 finished in 412 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((p0||G(p1)))&&((G(p2) U p0)||G(p3))))'
Support contains 6 out of 30 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 50/50 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 29 transition count 50
Applied a total of 1 rules in 0 ms. Remains 29 /30 variables (removed 1) and now considering 50/50 (removed 0) transitions.
[2026-05-22 16:09:14] [INFO ] Invariant cache hit.
[2026-05-22 16:09:14] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-22 16:09:14] [INFO ] Invariant cache hit.
[2026-05-22 16:09:14] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
Running 47 sub problems to find dead transitions.
[2026-05-22 16:09:14] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/28 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (OVERLAPS) 1/29 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/29 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/29 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (OVERLAPS) 50/79 variables, 29/61 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/79 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 8 (OVERLAPS) 0/79 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Real declared 79/79 variables, and 61 constraints, problems are : Problem set: 0 solved, 47 unsolved in 1017 ms.
Refiners :[Domain max(s): 29/29 constraints, Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 47 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 28/28 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/28 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (OVERLAPS) 1/29 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/29 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/29 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (OVERLAPS) 50/79 variables, 29/61 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/79 variables, 47/108 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/79 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 9 (OVERLAPS) 0/79 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Int declared 79/79 variables, and 108 constraints, problems are : Problem set: 0 solved, 47 unsolved in 1111 ms.
Refiners :[Domain max(s): 29/29 constraints, Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2155ms problems are : Problem set: 0 solved, 47 unsolved
Search for dead transitions found 0 dead transitions in 2155ms
Starting structural reductions in LTL mode, iteration 1 : 29/30 places, 50/50 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2241 ms. Remains : 29/30 places, 50/50 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((p0||G(p1)))&&((G(p2) U p0)||G(p3))))'
Stuttering acceptance computed with spot in 545 ms :[(OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p1))), true, (AND (NOT p1) (NOT p0)), (NOT p2), (NOT p0), (NOT p3), (AND p2 (NOT p0) (NOT p3)), (AND (NOT p2) (NOT p3)), (NOT p1)]
Running random walk in product with property : Angiogenesis-PT-01-LTLFireability-13
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA Angiogenesis-PT-01-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-01-LTLFireability-13 finished in 2824 ms.
All properties solved by simple procedures.
Total runtime 11514 ms.

BK_STOP 1779466157483

--------------------
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="Angiogenesis-PT-01"
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 Angiogenesis-PT-01, 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 r002-oct2-177944366100220"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Angiogenesis-PT-01.tgz
mv Angiogenesis-PT-01 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 ;