fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r002-oct2-177944366100269
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
394.296 5948.00 13924.00 99.40 50 50 50 50 50 50 49 50 50 50 50 50 50 50 25 50 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-oct2-177944366100269.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 UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366100269
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-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 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 positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Angiogenesis-PT-50-UpperBounds-00
FORMULA_NAME Angiogenesis-PT-50-UpperBounds-01
FORMULA_NAME Angiogenesis-PT-50-UpperBounds-02
FORMULA_NAME Angiogenesis-PT-50-UpperBounds-03
FORMULA_NAME Angiogenesis-PT-50-UpperBounds-04
FORMULA_NAME Angiogenesis-PT-50-UpperBounds-05
FORMULA_NAME Angiogenesis-PT-50-UpperBounds-06
FORMULA_NAME Angiogenesis-PT-50-UpperBounds-07
FORMULA_NAME Angiogenesis-PT-50-UpperBounds-08
FORMULA_NAME Angiogenesis-PT-50-UpperBounds-09
FORMULA_NAME Angiogenesis-PT-50-UpperBounds-10
FORMULA_NAME Angiogenesis-PT-50-UpperBounds-11
FORMULA_NAME Angiogenesis-PT-50-UpperBounds-12
FORMULA_NAME Angiogenesis-PT-50-UpperBounds-13
FORMULA_NAME Angiogenesis-PT-50-UpperBounds-14
FORMULA_NAME Angiogenesis-PT-50-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779469102303

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
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
UpperBounds PT
Running Version 202604301425
[2026-05-22 16:58:24] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-22 16:58:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 16:58:24] [INFO ] Load time of PNML (sax parser for PT used): 88 ms
[2026-05-22 16:58:24] [INFO ] Transformed 39 places.
[2026-05-22 16:58:24] [INFO ] Transformed 64 transitions.
[2026-05-22 16:58:24] [INFO ] Parsed PT model containing 39 places and 64 transitions and 185 arcs in 214 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1983689931870413617.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10567537361867719979.kers'
[2026-05-22 16:58:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1983689931870413617.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10567537361867719979.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 16:58:24] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-10567537361867719979.kers
Total runtime 5 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 25, 50]
RANDOM walk for 10047 steps (2 resets) in 9 ms. (1004 steps per ms)
FORMULA Angiogenesis-PT-50-UpperBounds-15 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Angiogenesis-PT-50-UpperBounds-13 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Angiogenesis-PT-50-UpperBounds-12 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Angiogenesis-PT-50-UpperBounds-11 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Angiogenesis-PT-50-UpperBounds-10 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Angiogenesis-PT-50-UpperBounds-09 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Angiogenesis-PT-50-UpperBounds-04 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Angiogenesis-PT-50-UpperBounds-03 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Angiogenesis-PT-50-UpperBounds-02 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Angiogenesis-PT-50-UpperBounds-01 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Angiogenesis-PT-50-UpperBounds-00 50 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 50005 steps (10 resets) in 68 ms. (724 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 2, 2, 1, 7] Max Struct:[50, 50, 50, 50, 25]
[2026-05-22 16:58:24] [INFO ] Invariant cache hit.
[2026-05-22 16:58:24] [INFO ] [Real]Absence check using 8 positive place invariants in 6 ms returned sat
[2026-05-22 16:58:24] [INFO ] [Real]Absence check using state equation in 134 ms returned sat
[2026-05-22 16:58:25] [INFO ] Computed and/alt/rep : 59/142/59 causal constraints (skipped 2 transitions) in 9 ms.
[2026-05-22 16:58:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 16:58:25] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-22 16:58:25] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2026-05-22 16:58:25] [INFO ] Computed and/alt/rep : 59/142/59 causal constraints (skipped 2 transitions) in 5 ms.
[2026-05-22 16:58:25] [INFO ] Added : 54 causal constraints over 11 iterations in 102 ms. Result :sat
Minimization took 22 ms.
[2026-05-22 16:58:25] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-22 16:58:25] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2026-05-22 16:58:25] [INFO ] Computed and/alt/rep : 59/142/59 causal constraints (skipped 2 transitions) in 12 ms.
[2026-05-22 16:58:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 16:58:25] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-22 16:58:25] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2026-05-22 16:58:25] [INFO ] Computed and/alt/rep : 59/142/59 causal constraints (skipped 2 transitions) in 4 ms.
[2026-05-22 16:58:25] [INFO ] Added : 47 causal constraints over 10 iterations in 129 ms. Result :sat
Minimization took 27 ms.
[2026-05-22 16:58:25] [INFO ] [Real]Absence check using 8 positive place invariants in 9 ms returned sat
[2026-05-22 16:58:25] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2026-05-22 16:58:25] [INFO ] Computed and/alt/rep : 59/142/59 causal constraints (skipped 2 transitions) in 5 ms.
[2026-05-22 16:58:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 16:58:25] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-22 16:58:25] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2026-05-22 16:58:25] [INFO ] Computed and/alt/rep : 59/142/59 causal constraints (skipped 2 transitions) in 3 ms.
[2026-05-22 16:58:25] [INFO ] Added : 48 causal constraints over 10 iterations in 69 ms. Result :sat
Minimization took 16 ms.
[2026-05-22 16:58:25] [INFO ] [Real]Absence check using 8 positive place invariants in 1 ms returned sat
[2026-05-22 16:58:25] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2026-05-22 16:58:25] [INFO ] Computed and/alt/rep : 59/142/59 causal constraints (skipped 2 transitions) in 3 ms.
[2026-05-22 16:58:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 16:58:25] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2026-05-22 16:58:25] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2026-05-22 16:58:25] [INFO ] Computed and/alt/rep : 59/142/59 causal constraints (skipped 2 transitions) in 25 ms.
[2026-05-22 16:58:26] [INFO ] Added : 54 causal constraints over 11 iterations in 104 ms. Result :sat
Minimization took 24 ms.
[2026-05-22 16:58:26] [INFO ] [Real]Absence check using 8 positive place invariants in 1 ms returned sat
[2026-05-22 16:58:26] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2026-05-22 16:58:26] [INFO ] Computed and/alt/rep : 59/142/59 causal constraints (skipped 2 transitions) in 7 ms.
[2026-05-22 16:58:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 16:58:26] [INFO ] [Nat]Absence check using 8 positive place invariants in 1 ms returned sat
[2026-05-22 16:58:26] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2026-05-22 16:58:26] [INFO ] Computed and/alt/rep : 59/142/59 causal constraints (skipped 2 transitions) in 7 ms.
[2026-05-22 16:58:26] [INFO ] Added : 47 causal constraints over 10 iterations in 113 ms. Result :sat
Minimization took 16 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 2, 2, 1, 7] Max Struct:[50, 50, 50, 50, 25]
FORMULA Angiogenesis-PT-50-UpperBounds-14 25 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Angiogenesis-PT-50-UpperBounds-08 50 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Angiogenesis-PT-50-UpperBounds-07 50 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[50, 47] Max Struct:[50, 50]
FORMULA Angiogenesis-PT-50-UpperBounds-05 50 TECHNIQUES TOPOLOGICAL PARIKH_GUIDED_WALK
Support contains 1 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.2 ms
Discarding 1 places :
Also discarding 0 output transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 38 transition count 63
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 4 place count 36 transition count 63
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 36 transition count 62
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 25 place count 26 transition count 52
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 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 1 with 10 rules applied. Total rules applied 35 place count 25 transition count 43
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 36 place count 25 transition count 42
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 46 place count 20 transition count 48
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 56 place count 20 transition count 38
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 4 with 6 rules applied. Total rules applied 62 place count 20 transition count 32
Free-agglomeration rule (complex) applied 5 times.
Iterating global reduction 4 with 5 rules applied. Total rules applied 67 place count 20 transition count 27
Reduce places removed 5 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 7 rules applied. Total rules applied 74 place count 15 transition count 25
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 75 place count 15 transition count 24
Applied a total of 75 rules in 100 ms. Remains 15 /39 variables (removed 24) and now considering 24/64 (removed 40) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 108 ms. Remains : 15/39 places, 24/64 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5452151260599987534.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11716074414620049046.kers'
[2026-05-22 16:58:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5452151260599987534.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11716074414620049046.kers]
Normalized transition count is 23 out of 24 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 23 rows 12 cols 62 entries
Finished phase 1 with 8 SingleSign rule and 1 generalized
[2026-05-22 16:58:26] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11716074414620049046.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[47] Max Struct:[50]
RANDOM walk for 1000039 steps (2 resets) in 194 ms. (5128 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 342 ms. (2915 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[47] Max Struct:[50]
[2026-05-22 16:58:27] [INFO ] Flow matrix only has 23 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-17414619624958586586.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12482541082862830109.kers'
[2026-05-22 16:58:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17414619624958586586.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12482541082862830109.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 23 rows 12 cols 62 entries
Finished phase 1 with 8 SingleSign rule and 1 generalized
[2026-05-22 16:58:27] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12482541082862830109.kers
Total runtime 0 ms.
[2026-05-22 16:58:27] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2026-05-22 16:58:27] [INFO ] [Real]Absence check using 5 positive and 1 generalized place invariants in 3 ms returned sat
[2026-05-22 16:58:27] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2026-05-22 16:58:27] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-22 16:58:27] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-22 16:58:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-22 16:58:27] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-22 16:58:27] [INFO ] [Nat]Absence check using 5 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-22 16:58:27] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-22 16:58:27] [INFO ] [Nat]Added 1 Read/Feed constraints in 4 ms returned sat
[2026-05-22 16:58:27] [INFO ] Computed and/alt/rep : 22/72/21 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-22 16:58:27] [INFO ] Added : 19 causal constraints over 4 iterations in 24 ms. Result :sat
Minimization took 43 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[47] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[49] Max Struct:[50]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 24/24 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 24/24 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 15/15 places, 24/24 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 24/24 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 24/24 (removed 0) transitions.
[2026-05-22 16:58:27] [INFO ] Flow matrix only has 23 transitions (discarded 1 similar events)
[2026-05-22 16:58:27] [INFO ] Invariant cache hit.
[2026-05-22 16:58:27] [INFO ] Implicit Places using invariants in 51 ms returned [5, 11, 12, 13]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 53 ms to find 4 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 11/15 places, 24/24 transitions.
Graph (trivial) has 14 edges and 11 vertex of which 6 / 11 are part of one of the 2 SCC in 2 ms
Free SCC test removed 4 places
Drop transitions (Empty/Sink Transition effects.) removed 12 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 7 transition count 11
Applied a total of 2 rules in 5 ms. Remains 7 /11 variables (removed 4) and now considering 11/24 (removed 13) transitions.
[2026-05-22 16:58:27] [INFO ] Flow matrix only has 10 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-13424740693479451616.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6894371910666927347.kers'
[2026-05-22 16:58:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13424740693479451616.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6894371910666927347.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 10 rows 7 cols 24 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-22 16:58:27] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6894371910666927347.kers
Total runtime 0 ms.
[2026-05-22 16:58:27] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-22 16:58:27] [INFO ] Flow matrix only has 10 transitions (discarded 1 similar events)
[2026-05-22 16:58:27] [INFO ] Invariant cache hit.
[2026-05-22 16:58:27] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-22 16:58:27] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 7/15 places, 11/24 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 128 ms. Remains : 7/15 places, 11/24 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13135951408975870978.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12956561643682186272.kers'
[2026-05-22 16:58:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13135951408975870978.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12956561643682186272.kers]
Normalized transition count is 10 out of 11 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 10 rows 7 cols 24 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-22 16:58:27] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12956561643682186272.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[49] Max Struct:[50]
RANDOM walk for 1000002 steps (2 resets) in 98 ms. (10101 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 216 ms. (4608 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[49] Max Struct:[50]
[2026-05-22 16:58:28] [INFO ] Flow matrix only has 10 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-3113756297723908158.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16198593404164475918.kers'
[2026-05-22 16:58:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3113756297723908158.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16198593404164475918.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 10 rows 7 cols 24 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-22 16:58:28] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16198593404164475918.kers
Total runtime 0 ms.
[2026-05-22 16:58:28] [INFO ] [Real]Absence check using 2 positive place invariants in 11 ms returned sat
[2026-05-22 16:58:28] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-22 16:58:28] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-22 16:58:28] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-22 16:58:28] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 76 ms
Current structural bounds on expressions (after SMT) : Max Seen:[49] Max Struct:[49]
FORMULA Angiogenesis-PT-50-UpperBounds-06 49 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 4173 ms.

BK_STOP 1779469108251

--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -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 UpperBounds -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="UpperBounds"
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 UpperBounds"
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-oct2-177944366100269"
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 [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;