fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r130-smll-177955809000213
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for FireWire-PT-09

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
648.396 100246.00 137666.00 334.60 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r130-smll-177955809000213.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is FireWire-PT-09, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809000213
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 6.8K Mar 7 05:19 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Mar 7 05:19 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 7 05:19 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 7 05:19 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 10:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 05:19 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K Mar 7 05:19 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 7 05:19 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 96K Mar 7 05:19 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:06 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 100K 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 FireWire-PT-09-UpperBounds-00
FORMULA_NAME FireWire-PT-09-UpperBounds-01
FORMULA_NAME FireWire-PT-09-UpperBounds-02
FORMULA_NAME FireWire-PT-09-UpperBounds-03
FORMULA_NAME FireWire-PT-09-UpperBounds-04
FORMULA_NAME FireWire-PT-09-UpperBounds-05
FORMULA_NAME FireWire-PT-09-UpperBounds-06
FORMULA_NAME FireWire-PT-09-UpperBounds-07
FORMULA_NAME FireWire-PT-09-UpperBounds-08
FORMULA_NAME FireWire-PT-09-UpperBounds-09
FORMULA_NAME FireWire-PT-09-UpperBounds-10
FORMULA_NAME FireWire-PT-09-UpperBounds-11
FORMULA_NAME FireWire-PT-09-UpperBounds-12
FORMULA_NAME FireWire-PT-09-UpperBounds-13
FORMULA_NAME FireWire-PT-09-UpperBounds-14
FORMULA_NAME FireWire-PT-09-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779807491057

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FireWire-PT-09
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-26 14:58:13] [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]
[2026-05-26 14:58:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 14:58:13] [INFO ] Load time of PNML (sax parser for PT used): 176 ms
[2026-05-26 14:58:13] [INFO ] Transformed 130 places.
[2026-05-26 14:58:13] [INFO ] Transformed 408 transitions.
[2026-05-26 14:58:13] [INFO ] Found NUPN structural information;
[2026-05-26 14:58:13] [INFO ] Parsed PT model containing 130 places and 408 transitions and 1525 arcs in 385 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 14 ms.
Ensure Unique test removed 56 transitions
Reduce redundant transitions removed 56 transitions.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
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:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17817752661435805151.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4575475716636074010.kers'
[2026-05-26 14:58:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17817752661435805151.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4575475716636074010.kers]
Normalized transition count is 319 out of 352 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 319 rows 130 cols 1097 entries
Finished phase 1 with 122 SingleSign rule and 0 generalized
[2026-05-26 14:58:13] [INFO ] Computed 8 invariants in 2 ms
Computed 8 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-4575475716636074010.kers
Total runtime 4 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:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (554 resets) in 71 ms. (138 steps per ms)
FORMULA FireWire-PT-09-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FireWire-PT-09-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FireWire-PT-09-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FireWire-PT-09-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FireWire-PT-09-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FireWire-PT-09-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FireWire-PT-09-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FireWire-PT-09-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FireWire-PT-09-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FireWire-PT-09-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FireWire-PT-09-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 50003 steps (716 resets) in 98 ms. (505 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1]
[2026-05-26 14:58:14] [INFO ] Flow matrix only has 320 transitions (discarded 32 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12488858985954437586.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1578330764716624620.kers'
[2026-05-26 14:58:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12488858985954437586.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1578330764716624620.kers]
Normalized transition count is 319 out of 320 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 319 rows 130 cols 1097 entries
Finished phase 1 with 122 SingleSign rule and 0 generalized
[2026-05-26 14:58:14] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1578330764716624620.kers
Total runtime 2 ms.
[2026-05-26 14:58:14] [INFO ] [Real]Absence check using 8 positive place invariants in 17 ms returned sat
[2026-05-26 14:58:14] [INFO ] [Real]Absence check using state equation in 258 ms returned sat
[2026-05-26 14:58:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 14:58:15] [INFO ] [Nat]Absence check using 8 positive place invariants in 9 ms returned sat
[2026-05-26 14:58:15] [INFO ] [Nat]Absence check using state equation in 209 ms returned sat
[2026-05-26 14:58:15] [INFO ] State equation strengthened by 45 read => feed constraints.
[2026-05-26 14:58:15] [INFO ] [Nat]Added 45 Read/Feed constraints in 47 ms returned sat
[2026-05-26 14:58:15] [INFO ] Computed and/alt/rep : 126/465/126 causal constraints (skipped 193 transitions) in 90 ms.
[2026-05-26 14:58:15] [INFO ] Added : 24 causal constraints over 5 iterations in 501 ms. Result :sat
Minimization took 140 ms.
[2026-05-26 14:58:16] [INFO ] [Real]Absence check using 8 positive place invariants in 9 ms returned sat
[2026-05-26 14:58:16] [INFO ] [Real]Absence check using state equation in 204 ms returned sat
[2026-05-26 14:58:16] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 14:58:16] [INFO ] [Nat]Absence check using 8 positive place invariants in 10 ms returned sat
[2026-05-26 14:58:16] [INFO ] [Nat]Absence check using state equation in 195 ms returned sat
[2026-05-26 14:58:16] [INFO ] [Nat]Added 45 Read/Feed constraints in 53 ms returned sat
[2026-05-26 14:58:16] [INFO ] Computed and/alt/rep : 126/465/126 causal constraints (skipped 193 transitions) in 81 ms.
[2026-05-26 14:58:17] [INFO ] Added : 7 causal constraints over 3 iterations in 311 ms. Result :sat
Minimization took 103 ms.
[2026-05-26 14:58:17] [INFO ] [Real]Absence check using 8 positive place invariants in 9 ms returned sat
[2026-05-26 14:58:17] [INFO ] [Real]Absence check using state equation in 193 ms returned sat
[2026-05-26 14:58:17] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 14:58:17] [INFO ] [Nat]Absence check using 8 positive place invariants in 10 ms returned sat
[2026-05-26 14:58:17] [INFO ] [Nat]Absence check using state equation in 174 ms returned sat
[2026-05-26 14:58:17] [INFO ] [Nat]Added 45 Read/Feed constraints in 125 ms returned sat
[2026-05-26 14:58:17] [INFO ] Computed and/alt/rep : 126/465/126 causal constraints (skipped 193 transitions) in 70 ms.
[2026-05-26 14:58:19] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 894 ms
[2026-05-26 14:58:19] [INFO ] Added : 14 causal constraints over 4 iterations in 1469 ms. Result :sat
Minimization took 122 ms.
[2026-05-26 14:58:19] [INFO ] [Real]Absence check using 8 positive place invariants in 10 ms returned sat
[2026-05-26 14:58:19] [INFO ] [Real]Absence check using state equation in 174 ms returned sat
[2026-05-26 14:58:19] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 14:58:19] [INFO ] [Nat]Absence check using 8 positive place invariants in 10 ms returned sat
[2026-05-26 14:58:20] [INFO ] [Nat]Absence check using state equation in 178 ms returned sat
[2026-05-26 14:58:20] [INFO ] [Nat]Added 45 Read/Feed constraints in 56 ms returned sat
[2026-05-26 14:58:20] [INFO ] Computed and/alt/rep : 126/465/126 causal constraints (skipped 193 transitions) in 77 ms.
[2026-05-26 14:58:20] [INFO ] Added : 8 causal constraints over 2 iterations in 324 ms. Result :sat
Minimization took 101 ms.
[2026-05-26 14:58:20] [INFO ] [Real]Absence check using 8 positive place invariants in 8 ms returned sat
[2026-05-26 14:58:20] [INFO ] [Real]Absence check using state equation in 174 ms returned sat
[2026-05-26 14:58:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 14:58:20] [INFO ] [Nat]Absence check using 8 positive place invariants in 10 ms returned sat
[2026-05-26 14:58:21] [INFO ] [Nat]Absence check using state equation in 163 ms returned sat
[2026-05-26 14:58:21] [INFO ] [Nat]Added 45 Read/Feed constraints in 44 ms returned sat
[2026-05-26 14:58:21] [INFO ] Computed and/alt/rep : 126/465/126 causal constraints (skipped 193 transitions) in 65 ms.
[2026-05-26 14:58:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 291 ms
[2026-05-26 14:58:21] [INFO ] Added : 24 causal constraints over 6 iterations in 667 ms. Result :sat
Minimization took 118 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1]
FORMULA FireWire-PT-09-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 1, 0] Max Struct:[1, 1, 1, 1]
FORMULA FireWire-PT-09-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL PARIKH_GUIDED_WALK
Support contains 3 out of 130 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 130/130 places, 352/352 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 130 transition count 349
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 7 place count 126 transition count 341
Iterating global reduction 1 with 4 rules applied. Total rules applied 11 place count 126 transition count 341
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 14 place count 126 transition count 338
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 15 place count 125 transition count 335
Iterating global reduction 2 with 1 rules applied. Total rules applied 16 place count 125 transition count 335
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 17 place count 124 transition count 333
Iterating global reduction 2 with 1 rules applied. Total rules applied 18 place count 124 transition count 333
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 19 place count 123 transition count 330
Iterating global reduction 2 with 1 rules applied. Total rules applied 20 place count 123 transition count 330
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 22 place count 122 transition count 329
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 28 place count 119 transition count 335
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 34 place count 119 transition count 329
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 3 with 9 rules applied. Total rules applied 43 place count 119 transition count 320
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 44 place count 119 transition count 322
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 47 place count 118 transition count 320
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 49 place count 118 transition count 318
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 50 place count 117 transition count 317
Applied a total of 50 rules in 291 ms. Remains 117 /130 variables (removed 13) and now considering 317/352 (removed 35) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 308 ms. Remains : 117/130 places, 317/352 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15735393261206841173.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16825767006120492083.kers'
[2026-05-26 14:58:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15735393261206841173.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16825767006120492083.kers]
Normalized transition count is 288 out of 317 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 288 rows 115 cols 981 entries
Finished phase 1 with 109 SingleSign rule and 0 generalized
[2026-05-26 14:58:22] [INFO ] Computed 8 invariants in 2 ms
Computed 8 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-16825767006120492083.kers
Total runtime 4 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
RANDOM walk for 1000000 steps (58121 resets) in 1780 ms. (561 steps per ms)
BEST_FIRST walk for 3000002 steps (42412 resets) in 2069 ms. (1449 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
[2026-05-26 14:58:26] [INFO ] Flow matrix only has 288 transitions (discarded 29 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11361901924269269042.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8365567726188170968.kers'
[2026-05-26 14:58:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11361901924269269042.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8365567726188170968.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 288 rows 115 cols 981 entries
Finished phase 1 with 109 SingleSign rule and 0 generalized
[2026-05-26 14:58:26] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-8365567726188170968.kers
Total runtime 3 ms.
[2026-05-26 14:58:26] [INFO ] [Real]Absence check using 8 positive place invariants in 7 ms returned sat
[2026-05-26 14:58:26] [INFO ] [Real]Absence check using state equation in 144 ms returned sat
[2026-05-26 14:58:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 14:58:26] [INFO ] [Nat]Absence check using 8 positive place invariants in 7 ms returned sat
[2026-05-26 14:58:27] [INFO ] [Nat]Absence check using state equation in 132 ms returned sat
[2026-05-26 14:58:27] [INFO ] State equation strengthened by 43 read => feed constraints.
[2026-05-26 14:58:27] [INFO ] [Nat]Added 43 Read/Feed constraints in 24 ms returned sat
[2026-05-26 14:58:27] [INFO ] Computed and/alt/rep : 129/532/129 causal constraints (skipped 157 transitions) in 54 ms.
[2026-05-26 14:58:28] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 417 ms
[2026-05-26 14:58:28] [INFO ] Added : 70 causal constraints over 15 iterations in 1090 ms. Result :sat
Minimization took 186 ms.
[2026-05-26 14:58:28] [INFO ] [Real]Absence check using 8 positive place invariants in 7 ms returned sat
[2026-05-26 14:58:28] [INFO ] [Real]Absence check using state equation in 163 ms returned sat
[2026-05-26 14:58:28] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 14:58:28] [INFO ] [Nat]Absence check using 8 positive place invariants in 9 ms returned sat
[2026-05-26 14:58:28] [INFO ] [Nat]Absence check using state equation in 143 ms returned sat
[2026-05-26 14:58:28] [INFO ] [Nat]Added 43 Read/Feed constraints in 26 ms returned sat
[2026-05-26 14:58:28] [INFO ] Computed and/alt/rep : 129/532/129 causal constraints (skipped 157 transitions) in 38 ms.
[2026-05-26 14:58:29] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 430 ms
[2026-05-26 14:58:29] [INFO ] Added : 17 causal constraints over 5 iterations in 677 ms. Result :sat
Minimization took 179 ms.
[2026-05-26 14:58:29] [INFO ] [Real]Absence check using 8 positive place invariants in 7 ms returned sat
[2026-05-26 14:58:29] [INFO ] [Real]Absence check using state equation in 129 ms returned sat
[2026-05-26 14:58:29] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 14:58:30] [INFO ] [Nat]Absence check using 8 positive place invariants in 7 ms returned sat
[2026-05-26 14:58:30] [INFO ] [Nat]Absence check using state equation in 126 ms returned sat
[2026-05-26 14:58:30] [INFO ] [Nat]Added 43 Read/Feed constraints in 23 ms returned sat
[2026-05-26 14:58:30] [INFO ] Computed and/alt/rep : 129/532/129 causal constraints (skipped 157 transitions) in 29 ms.
[2026-05-26 14:58:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 107 ms
[2026-05-26 14:58:30] [INFO ] Added : 37 causal constraints over 9 iterations in 432 ms. Result :sat
Minimization took 156 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Support contains 3 out of 117 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 117/117 places, 317/317 transitions.
Applied a total of 0 rules in 14 ms. Remains 117 /117 variables (removed 0) and now considering 317/317 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 117/117 places, 317/317 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 117/117 places, 317/317 transitions.
Applied a total of 0 rules in 10 ms. Remains 117 /117 variables (removed 0) and now considering 317/317 (removed 0) transitions.
[2026-05-26 14:58:30] [INFO ] Flow matrix only has 288 transitions (discarded 29 similar events)
[2026-05-26 14:58:30] [INFO ] Invariant cache hit.
[2026-05-26 14:58:31] [INFO ] Implicit Places using invariants in 175 ms returned []
[2026-05-26 14:58:31] [INFO ] Flow matrix only has 288 transitions (discarded 29 similar events)
[2026-05-26 14:58:31] [INFO ] Invariant cache hit.
[2026-05-26 14:58:31] [INFO ] State equation strengthened by 43 read => feed constraints.
[2026-05-26 14:58:31] [INFO ] Implicit Places using invariants and state equation in 531 ms returned [12, 36]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 719 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 115/117 places, 317/317 transitions.
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 115 transition count 315
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 113 transition count 315
Applied a total of 4 rules in 22 ms. Remains 113 /115 variables (removed 2) and now considering 315/317 (removed 2) transitions.
[2026-05-26 14:58:31] [INFO ] Flow matrix only has 286 transitions (discarded 29 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14333427938027123137.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2120474365724880792.kers'
[2026-05-26 14:58:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14333427938027123137.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2120474365724880792.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 286 rows 113 cols 979 entries
Finished phase 1 with 107 SingleSign rule and 0 generalized
[2026-05-26 14:58:31] [INFO ] Computed 6 invariants in 1 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2120474365724880792.kers
Total runtime 2 ms.
[2026-05-26 14:58:31] [INFO ] Implicit Places using invariants in 154 ms returned []
[2026-05-26 14:58:31] [INFO ] Flow matrix only has 286 transitions (discarded 29 similar events)
[2026-05-26 14:58:31] [INFO ] Invariant cache hit.
[2026-05-26 14:58:31] [INFO ] State equation strengthened by 43 read => feed constraints.
[2026-05-26 14:58:32] [INFO ] Implicit Places using invariants and state equation in 319 ms returned []
Implicit Place search using SMT with State Equation took 475 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 113/117 places, 315/317 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 1234 ms. Remains : 113/117 places, 315/317 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-156721993813664913.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11551094922179877970.kers'
[2026-05-26 14:58:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-156721993813664913.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11551094922179877970.kers]
Normalized transition count is 286 out of 315 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 286 rows 113 cols 979 entries
Finished phase 1 with 107 SingleSign rule and 0 generalized
[2026-05-26 14:58:32] [INFO ] Computed 6 invariants in 1 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11551094922179877970.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
RANDOM walk for 1000000 steps (57681 resets) in 1614 ms. (619 steps per ms)
BEST_FIRST walk for 3000002 steps (42514 resets) in 1677 ms. (1787 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
[2026-05-26 14:58:35] [INFO ] Flow matrix only has 286 transitions (discarded 29 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12216200162544488997.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8143894262870830855.kers'
[2026-05-26 14:58:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12216200162544488997.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8143894262870830855.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 286 rows 113 cols 979 entries
Finished phase 1 with 107 SingleSign rule and 0 generalized
[2026-05-26 14:58:35] [INFO ] Computed 6 invariants in 1 ms
Computed 6 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-8143894262870830855.kers
Total runtime 5 ms.
[2026-05-26 14:58:35] [INFO ] [Real]Absence check using 6 positive place invariants in 6 ms returned sat
[2026-05-26 14:58:35] [INFO ] [Real]Absence check using state equation in 156 ms returned sat
[2026-05-26 14:58:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 14:58:35] [INFO ] [Nat]Absence check using 6 positive place invariants in 6 ms returned sat
[2026-05-26 14:58:35] [INFO ] [Nat]Absence check using state equation in 133 ms returned sat
[2026-05-26 14:58:35] [INFO ] State equation strengthened by 43 read => feed constraints.
[2026-05-26 14:58:35] [INFO ] [Nat]Added 43 Read/Feed constraints in 27 ms returned sat
[2026-05-26 14:58:35] [INFO ] Computed and/alt/rep : 127/526/127 causal constraints (skipped 157 transitions) in 35 ms.
[2026-05-26 14:58:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 118 ms
[2026-05-26 14:58:36] [INFO ] Added : 48 causal constraints over 10 iterations in 531 ms. Result :sat
Minimization took 185 ms.
[2026-05-26 14:58:36] [INFO ] [Real]Absence check using 6 positive place invariants in 6 ms returned sat
[2026-05-26 14:58:36] [INFO ] [Real]Absence check using state equation in 134 ms returned sat
[2026-05-26 14:58:36] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 14:58:36] [INFO ] [Nat]Absence check using 6 positive place invariants in 5 ms returned sat
[2026-05-26 14:58:37] [INFO ] [Nat]Absence check using state equation in 123 ms returned sat
[2026-05-26 14:58:37] [INFO ] [Nat]Added 43 Read/Feed constraints in 53 ms returned sat
[2026-05-26 14:58:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 314 ms
[2026-05-26 14:58:37] [INFO ] Computed and/alt/rep : 127/526/127 causal constraints (skipped 157 transitions) in 30 ms.
[2026-05-26 14:58:38] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 260 ms
[2026-05-26 14:58:38] [INFO ] Added : 51 causal constraints over 11 iterations in 714 ms. Result :sat
Minimization took 188 ms.
[2026-05-26 14:58:38] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2026-05-26 14:58:38] [INFO ] [Real]Absence check using state equation in 126 ms returned sat
[2026-05-26 14:58:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 14:58:38] [INFO ] [Nat]Absence check using 6 positive place invariants in 4 ms returned sat
[2026-05-26 14:58:38] [INFO ] [Nat]Absence check using state equation in 106 ms returned sat
[2026-05-26 14:58:38] [INFO ] [Nat]Added 43 Read/Feed constraints in 21 ms returned sat
[2026-05-26 14:58:38] [INFO ] Computed and/alt/rep : 127/526/127 causal constraints (skipped 157 transitions) in 31 ms.
[2026-05-26 14:58:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 110 ms
[2026-05-26 14:58:39] [INFO ] Added : 29 causal constraints over 9 iterations in 387 ms. Result :sat
Minimization took 178 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
FORMULA FireWire-PT-09-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[1, 1]
Support contains 2 out of 113 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 113/113 places, 315/315 transitions.
Applied a total of 0 rules in 15 ms. Remains 113 /113 variables (removed 0) and now considering 315/315 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 113/113 places, 315/315 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14254514369632260064.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8655242957743690038.kers'
[2026-05-26 14:58:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14254514369632260064.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8655242957743690038.kers]
Normalized transition count is 286 out of 315 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 286 rows 113 cols 979 entries
Finished phase 1 with 107 SingleSign rule and 0 generalized
[2026-05-26 14:58:39] [INFO ] Computed 6 invariants in 1 ms
Computed 6 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-8655242957743690038.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[1, 1]
RANDOM walk for 1000000 steps (57610 resets) in 1964 ms. (508 steps per ms)
BEST_FIRST walk for 2000002 steps (27879 resets) in 992 ms. (2014 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[1, 1]
[2026-05-26 14:58:42] [INFO ] Flow matrix only has 286 transitions (discarded 29 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13125971414147445155.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16302639436645901996.kers'
[2026-05-26 14:58:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13125971414147445155.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16302639436645901996.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 286 rows 113 cols 979 entries
Finished phase 1 with 107 SingleSign rule and 0 generalized
[2026-05-26 14:58:42] [INFO ] Computed 6 invariants in 1 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16302639436645901996.kers
Total runtime 2 ms.
[2026-05-26 14:58:42] [INFO ] [Real]Absence check using 6 positive place invariants in 6 ms returned sat
[2026-05-26 14:58:42] [INFO ] [Real]Absence check using state equation in 120 ms returned sat
[2026-05-26 14:58:42] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 14:58:42] [INFO ] [Nat]Absence check using 6 positive place invariants in 5 ms returned sat
[2026-05-26 14:58:42] [INFO ] [Nat]Absence check using state equation in 116 ms returned sat
[2026-05-26 14:58:42] [INFO ] State equation strengthened by 43 read => feed constraints.
[2026-05-26 14:58:42] [INFO ] [Nat]Added 43 Read/Feed constraints in 25 ms returned sat
[2026-05-26 14:58:42] [INFO ] Computed and/alt/rep : 127/526/127 causal constraints (skipped 157 transitions) in 32 ms.
[2026-05-26 14:58:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 107 ms
[2026-05-26 14:58:43] [INFO ] Added : 48 causal constraints over 10 iterations in 475 ms. Result :sat
Minimization took 161 ms.
[2026-05-26 14:58:43] [INFO ] [Real]Absence check using 6 positive place invariants in 5 ms returned sat
[2026-05-26 14:58:43] [INFO ] [Real]Absence check using state equation in 117 ms returned sat
[2026-05-26 14:58:43] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 14:58:43] [INFO ] [Nat]Absence check using 6 positive place invariants in 5 ms returned sat
[2026-05-26 14:58:43] [INFO ] [Nat]Absence check using state equation in 120 ms returned sat
[2026-05-26 14:58:43] [INFO ] [Nat]Added 43 Read/Feed constraints in 26 ms returned sat
[2026-05-26 14:58:43] [INFO ] Computed and/alt/rep : 127/526/127 causal constraints (skipped 157 transitions) in 26 ms.
[2026-05-26 14:58:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 108 ms
[2026-05-26 14:58:44] [INFO ] Added : 29 causal constraints over 9 iterations in 405 ms. Result :sat
Minimization took 155 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[1, 1]
Support contains 2 out of 113 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 113/113 places, 315/315 transitions.
Applied a total of 0 rules in 17 ms. Remains 113 /113 variables (removed 0) and now considering 315/315 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 113/113 places, 315/315 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 113/113 places, 315/315 transitions.
Applied a total of 0 rules in 14 ms. Remains 113 /113 variables (removed 0) and now considering 315/315 (removed 0) transitions.
[2026-05-26 14:58:44] [INFO ] Flow matrix only has 286 transitions (discarded 29 similar events)
[2026-05-26 14:58:44] [INFO ] Invariant cache hit.
[2026-05-26 14:58:44] [INFO ] Implicit Places using invariants in 176 ms returned []
[2026-05-26 14:58:44] [INFO ] Flow matrix only has 286 transitions (discarded 29 similar events)
[2026-05-26 14:58:44] [INFO ] Invariant cache hit.
[2026-05-26 14:58:44] [INFO ] State equation strengthened by 43 read => feed constraints.
[2026-05-26 14:58:45] [INFO ] Implicit Places using invariants and state equation in 428 ms returned []
Implicit Place search using SMT with State Equation took 609 ms to find 0 implicit places.
[2026-05-26 14:58:45] [INFO ] Redundant transitions in 35 ms returned []
Running 313 sub problems to find dead transitions.
[2026-05-26 14:58:45] [INFO ] Flow matrix only has 286 transitions (discarded 29 similar events)
[2026-05-26 14:58:45] [INFO ] Invariant cache hit.
[2026-05-26 14:58:45] [INFO ] State equation strengthened by 43 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/112 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/112 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (OVERLAPS) 286/398 variables, 112/125 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/398 variables, 43/168 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/398 variables, 3/171 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/398 variables, 0/171 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 7 (OVERLAPS) 1/399 variables, 1/172 constraints. Problems are: Problem set: 0 solved, 313 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 399/399 variables, and 172 constraints, problems are : Problem set: 0 solved, 313 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 113/113 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 313/313 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 313 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/112 variables, 10/16 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/112 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (OVERLAPS) 286/398 variables, 112/128 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/398 variables, 43/171 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/398 variables, 313/484 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/398 variables, 2/486 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/398 variables, 1/487 constraints. Problems are: Problem set: 0 solved, 313 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 398/399 variables, and 487 constraints, problems are : Problem set: 0 solved, 313 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 112/113 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 313/313 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60477ms problems are : Problem set: 0 solved, 313 unsolved
Search for dead transitions found 0 dead transitions in 60502ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61220 ms. Remains : 113/113 places, 315/315 transitions.
RANDOM walk for 40000 steps (2295 resets) in 1531 ms. (26 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (559 resets) in 401 ms. (99 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (595 resets) in 315 ms. (126 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (604 resets) in 279 ms. (142 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (599 resets) in 241 ms. (165 steps per ms) remains 4/4 properties
[2026-05-26 14:59:46] [INFO ] Flatten gal took : 176 ms
[2026-05-26 14:59:46] [INFO ] Flatten gal took : 75 ms
[2026-05-26 14:59:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11298207834473088795.gal : 32 ms
[2026-05-26 14:59:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12518217314301477662.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/ReachabilityCardinality11298207834473088795.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12518217314301477662.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality12518217314301477662.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 12
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :12 after 13
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :13 after 21
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :21 after 43
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :43 after 111
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :111 after 268
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :268 after 2844
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :2844 after 9554
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :271332 after 406998
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,4.24561e+06,1.17291,29668,2,1919,16,80937,10,0,774,89679,0
Total reachable state count : 4245610

Verifying 4 reachability properties.
Reachability property MAX0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,6578,1.17461,29804,2,447,16,80937,10,0,776,89679,0
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,6578,1.17542,29848,2,447,16,80937,10,0,776,89679,0
Reachability property MAX1 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX1,6395,1.17624,29848,2,525,16,80937,10,0,777,89679,0
Invariant property MIN1 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN1,6395,1.1774,29848,2,525,16,80937,10,0,777,89679,0
Interrupted probabilistic random walk after 513848 steps, run timeout after 3001 ms. (steps per millisecond=171 ) properties seen :0 out of 4
Probabilistic random walk after 513848 steps, saw 110418 distinct states, run finished after 3007 ms. (steps per millisecond=170 ) properties seen :0
FORMULA FireWire-PT-09-UpperBounds-00 1 TECHNIQUES REACHABILITY_MAX
FORMULA FireWire-PT-09-UpperBounds-15 1 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15656828062894170543.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10264736815539497060.kers'
[2026-05-26 14:59:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15656828062894170543.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10264736815539497060.kers]
Normalized transition count is 286 out of 315 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 286 rows 113 cols 979 entries
Finished phase 1 with 107 SingleSign rule and 0 generalized
[2026-05-26 14:59:49] [INFO ] Computed 6 invariants in 2 ms
Computed 6 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-10264736815539497060.kers
Total runtime 4 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (57777 resets) in 1538 ms. (649 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 97844 ms.

BK_STOP 1779807591303

--------------------
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="FireWire-PT-09"
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 FireWire-PT-09, 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 r130-smll-177955809000213"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-09.tgz
mv FireWire-PT-09 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 ;