fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r002-oct2-177944366100270
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for Angiogenesis-PT-50

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
967.884 11282.00 33137.00 118.80 FTTTFFTFFFTFFFFF 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-oct2-177944366100270.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)
............................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is Angiogenesis-PT-50, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366100270
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 8.9K Mar 4 18:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K Mar 4 18:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 4 18:32 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 4 18:32 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 4.1K Mar 15 07:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 4 18:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K Mar 4 18:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 4 18:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 104K Mar 4 18:32 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:06 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 33K 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-50-ReachabilityCardinality-2024-00
FORMULA_NAME Angiogenesis-PT-50-ReachabilityCardinality-2024-01
FORMULA_NAME Angiogenesis-PT-50-ReachabilityCardinality-2024-02
FORMULA_NAME Angiogenesis-PT-50-ReachabilityCardinality-2024-03
FORMULA_NAME Angiogenesis-PT-50-ReachabilityCardinality-2024-04
FORMULA_NAME Angiogenesis-PT-50-ReachabilityCardinality-2024-05
FORMULA_NAME Angiogenesis-PT-50-ReachabilityCardinality-2024-06
FORMULA_NAME Angiogenesis-PT-50-ReachabilityCardinality-2024-07
FORMULA_NAME Angiogenesis-PT-50-ReachabilityCardinality-2024-08
FORMULA_NAME Angiogenesis-PT-50-ReachabilityCardinality-2024-09
FORMULA_NAME Angiogenesis-PT-50-ReachabilityCardinality-2024-10
FORMULA_NAME Angiogenesis-PT-50-ReachabilityCardinality-2024-11
FORMULA_NAME Angiogenesis-PT-50-ReachabilityCardinality-2024-12
FORMULA_NAME Angiogenesis-PT-50-ReachabilityCardinality-2024-13
FORMULA_NAME Angiogenesis-PT-50-ReachabilityCardinality-2024-14
FORMULA_NAME Angiogenesis-PT-50-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779469129510

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Angiogenesis-PT-50
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-22 16:58:50] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-22 16:58:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 16:58:51] [INFO ] Load time of PNML (sax parser for PT used): 60 ms
[2026-05-22 16:58:51] [INFO ] Transformed 39 places.
[2026-05-22 16:58:51] [INFO ] Transformed 64 transitions.
[2026-05-22 16:58:51] [INFO ] Parsed PT model containing 39 places and 64 transitions and 185 arcs in 155 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 18 ms.
Working with output stream class java.io.PrintStream
FORMULA Angiogenesis-PT-50-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40046 steps (8 resets) in 364 ms. (109 steps per ms) remains 5/15 properties
FORMULA Angiogenesis-PT-50-ReachabilityCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-50-ReachabilityCardinality-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-50-ReachabilityCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-50-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-50-ReachabilityCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-50-ReachabilityCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-50-ReachabilityCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-50-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-50-ReachabilityCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Angiogenesis-PT-50-ReachabilityCardinality-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 362 ms. (110 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 132 ms. (300 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 701 ms. (56 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 205 ms. (194 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 67 ms. (588 steps per ms) remains 4/5 properties
FORMULA Angiogenesis-PT-50-ReachabilityCardinality-2024-15 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-22 16:58:51] [INFO ] Flatten gal took : 50 ms
[2026-05-22 16:58:51] [INFO ] Flatten gal took : 7 ms
[2026-05-22 16:58:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15744294220807264556.gal : 9 ms
[2026-05-22 16:58:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16350295286883940884.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15744294220807264556.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16350295286883940884.prop' '--nowitness' '--gen-order' 'FOLLOW'
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6201730748688697197.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12935655713956699345.kers'

[2026-05-22 16:58:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6201730748688697197.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12935655713956699345.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 64 rows 38 cols 182 entries
Finished phase 1 with 31 SingleSign rule and 0 generalized
[2026-05-22 16:58:51] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12935655713956699345.kers
Total runtime 1 ms.
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 ...330
Loading property file /tmp/ReachabilityCardinality16350295286883940884.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :36 after 554
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :554 after 4703
Problem Angiogenesis-PT-50-ReachabilityCardinality-2024-01 is UNSAT
FORMULA Angiogenesis-PT-50-ReachabilityCardinality-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/32 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Problem Angiogenesis-PT-50-ReachabilityCardinality-2024-08 is UNSAT
FORMULA Angiogenesis-PT-50-ReachabilityCardinality-2024-08 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 7/39 variables, 7/8 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/8 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 64/103 variables, 39/47 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 0/47 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/103 variables, 0/47 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 103/103 variables, and 47 constraints, problems are : Problem set: 2 solved, 2 unsolved in 418 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 39/39 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 19/39 variables, 8/8 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 0/8 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 64/103 variables, 39/47 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 2/49 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 0/49 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/103 variables, 0/49 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 103/103 variables, and 49 constraints, problems are : Problem set: 2 solved, 2 unsolved in 246 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 39/39 constraints, PredecessorRefiner: 2/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 820ms problems are : Problem set: 2 solved, 2 unsolved
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :4703 after 12753
Parikh walk visited 0 properties in 582 ms.
Support contains 20 out of 39 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 39/39 places, 64/64 transitions.
Graph (complete) has 117 edges and 39 vertex of which 38 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 38 transition count 63
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 37 transition count 62
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 6 place count 37 transition count 62
Applied a total of 6 rules in 44 ms. Remains 37 /39 variables (removed 2) and now considering 62/64 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62 ms. Remains : 37/39 places, 62/64 transitions.
RANDOM walk for 40097 steps (8 resets) in 90 ms. (440 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 133 ms. (298 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 448222 steps, run timeout after 3001 ms. (steps per millisecond=149 ) properties seen :0 out of 2
Probabilistic random walk after 448222 steps, saw 291984 distinct states, run finished after 3009 ms. (steps per millisecond=148 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17088038386763911356.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9396881985753423555.kers'
[2026-05-22 16:58:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17088038386763911356.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9396881985753423555.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 62 rows 36 cols 176 entries
Finished phase 1 with 30 SingleSign rule and 0 generalized
[2026-05-22 16:58:56] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9396881985753423555.kers
Total runtime 1 ms.
[2026-05-22 16:58:56] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 17/37 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 62/99 variables, 37/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/99 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/99 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 99/99 variables, and 45 constraints, problems are : Problem set: 0 solved, 2 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 37/37 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 17/37 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 62/99 variables, 37/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/99 variables, 2/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/99 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/99 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 99/99 variables, and 47 constraints, problems are : Problem set: 0 solved, 2 unsolved in 131 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 37/37 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 211ms problems are : Problem set: 0 solved, 2 unsolved
FORMULA Angiogenesis-PT-50-ReachabilityCardinality-2024-13 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 480 ms.
Support contains 3 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 62/62 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 k47 and 1 places that fell out of Prefix Of Interest.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 36 transition count 60
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 2 place count 36 transition count 59
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 5 place count 34 transition count 59
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 6 place count 34 transition count 58
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 22 place count 26 transition count 50
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Graph (complete) has 79 edges and 26 vertex of which 25 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 2 with 8 rules applied. Total rules applied 30 place count 25 transition count 43
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 31 place count 25 transition count 42
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 4 with 6 rules applied. Total rules applied 37 place count 22 transition count 42
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 42 place count 22 transition count 37
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 43 place count 22 transition count 36
Free-agglomeration rule applied 1 times.
Iterating global reduction 5 with 1 rules applied. Total rules applied 44 place count 22 transition count 35
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 46 place count 21 transition count 34
Free-agglomeration rule (complex) applied 4 times.
Iterating global reduction 6 with 4 rules applied. Total rules applied 50 place count 21 transition count 30
Reduce places removed 4 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 6 with 7 rules applied. Total rules applied 57 place count 17 transition count 27
Applied a total of 57 rules in 20 ms. Remains 17 /37 variables (removed 20) and now considering 27/62 (removed 35) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 17/37 places, 27/62 transitions.
RANDOM walk for 40030 steps (22 resets) in 57 ms. (690 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 87 ms. (454 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2241970 steps, run timeout after 3068 ms. (steps per millisecond=730 ) properties seen :0 out of 1
Probabilistic random walk after 2241970 steps, saw 1584122 distinct states, run finished after 3069 ms. (steps per millisecond=730 ) properties seen :0
[2026-05-22 16:59:00] [INFO ] Flow matrix only has 26 transitions (discarded 1 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7095313332486943234.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6251330438379671994.kers'
[2026-05-22 16:59:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7095313332486943234.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6251330438379671994.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 26 rows 16 cols 75 entries
Finished phase 1 with 10 SingleSign rule and 1 generalized
[2026-05-22 16:59:00] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6251330438379671994.kers
Total runtime 1 ms.
[2026-05-22 16:59:00] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 3/16 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/17 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/17 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 26/43 variables, 17/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/43 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/43 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/43 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 43/43 variables, and 24 constraints, problems are : Problem set: 0 solved, 1 unsolved in 141 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 17/17 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 3/16 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/16 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/17 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/17 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 26/43 variables, 17/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/43 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/43 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/43 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/43 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 43/43 variables, and 25 constraints, problems are : Problem set: 0 solved, 1 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 17/17 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 219ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 26 ms.
Support contains 3 out of 17 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 17/17 places, 27/27 transitions.
Applied a total of 0 rules in 2 ms. Remains 17 /17 variables (removed 0) and now considering 27/27 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 17/17 places, 27/27 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 17/17 places, 27/27 transitions.
Applied a total of 0 rules in 2 ms. Remains 17 /17 variables (removed 0) and now considering 27/27 (removed 0) transitions.
[2026-05-22 16:59:00] [INFO ] Flow matrix only has 26 transitions (discarded 1 similar events)
[2026-05-22 16:59:00] [INFO ] Invariant cache hit.
[2026-05-22 16:59:00] [INFO ] Implicit Places using invariants in 87 ms returned [4, 13, 14, 15]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 102 ms to find 4 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 13/17 places, 27/27 transitions.
Graph (trivial) has 10 edges and 13 vertex of which 6 / 13 are part of one of the 2 SCC in 2 ms
Free SCC test removed 4 places
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 9 transition count 14
Applied a total of 2 rules in 5 ms. Remains 9 /13 variables (removed 4) and now considering 14/27 (removed 13) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14791700198915737550.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15708198786947510272.kers'
[2026-05-22 16:59:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14791700198915737550.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15708198786947510272.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 14 rows 9 cols 35 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-22 16:59:00] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15708198786947510272.kers
Total runtime 0 ms.
[2026-05-22 16:59:00] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-22 16:59:00] [INFO ] Invariant cache hit.
[2026-05-22 16:59:00] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-22 16:59:00] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 9/17 places, 14/27 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 158 ms. Remains : 9/17 places, 14/27 transitions.
RANDOM walk for 40055 steps (62 resets) in 26 ms. (1483 steps per ms) remains 1/1 properties
BEST_FIRST walk for 6215 steps (0 resets) in 13 ms. (443 steps per ms) remains 0/1 properties
FORMULA Angiogenesis-PT-50-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 9884 ms.

BK_STOP 1779469140792

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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-50"
export BK_EXAMINATION="ReachabilityCardinality"
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-50, examination is ReachabilityCardinality"
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-oct2-177944366100270"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Angiogenesis-PT-50.tgz
mv Angiogenesis-PT-50 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;