About the Execution of ITS-Tools for FlexibleBarrier-PT-14a
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 481.812 | 139345.00 | 183618.00 | 603.00 | FFFFTFFFFFFFFFFF | 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-177955809100387.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 FlexibleBarrier-PT-14a, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809100387
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 7.0K Mar 7 05:52 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 7 05:52 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K Mar 7 05:46 CTLFireability.txt
-rw-r--r-- 1 mcc users 36K Mar 7 05:46 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 3.8K Mar 15 10:13 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 10:13 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.4K Mar 7 05:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 7 05:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Mar 7 05:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 40K Mar 7 05:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:13 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 169K 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 FlexibleBarrier-PT-14a-LTLCardinality-00
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-01
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-02
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-03
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-04
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-05
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-06
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-07
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-08
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-09
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-10
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-11
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-12
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-13
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-14
FORMULA_NAME FlexibleBarrier-PT-14a-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1779896768932
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-14a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-27 15:46:11] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-27 15:46:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 15:46:11] [INFO ] Load time of PNML (sax parser for PT used): 225 ms
[2026-05-27 15:46:11] [INFO ] Transformed 171 places.
[2026-05-27 15:46:11] [INFO ] Transformed 578 transitions.
[2026-05-27 15:46:11] [INFO ] Found NUPN structural information;
[2026-05-27 15:46:11] [INFO ] Parsed PT model containing 171 places and 578 transitions and 2719 arcs in 456 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 25 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Ensure Unique test removed 170 transitions
Reduce redundant transitions removed 170 transitions.
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 22 out of 171 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 171/171 places, 408/408 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 0 with 14 rules applied. Total rules applied 14 place count 171 transition count 394
Applied a total of 14 rules in 84 ms. Remains 171 /171 variables (removed 0) and now considering 394/408 (removed 14) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7578348985439814431.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4587548898363953403.kers'
[2026-05-27 15:46:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7578348985439814431.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4587548898363953403.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 394 rows 169 cols 1139 entries
Finished phase 1 with 155 SingleSign rule and 0 generalized
[2026-05-27 15:46:12] [INFO ] Computed 16 invariants in 3 ms
Computed 16 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-4587548898363953403.kers
Total runtime 5 ms.
[2026-05-27 15:46:13] [INFO ] Implicit Places using invariants in 1108 ms returned [169, 170]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 1181 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 169/171 places, 394/408 transitions.
Applied a total of 0 rules in 16 ms. Remains 169 /169 variables (removed 0) and now considering 394/394 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1313 ms. Remains : 169/171 places, 394/408 transitions.
Starting structural reductions in LTL mode, iteration 0 : 169/169 places, 394/394 transitions.
Applied a total of 0 rules in 15 ms. Remains 169 /169 variables (removed 0) and now considering 394/394 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12325888864668646274.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12621531258565829268.kers'
[2026-05-27 15:46:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12325888864668646274.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12621531258565829268.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 394 rows 169 cols 1139 entries
Finished phase 1 with 155 SingleSign rule and 0 generalized
[2026-05-27 15:46:13] [INFO ] Computed 14 invariants in 3 ms
Computed 14 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-12621531258565829268.kers
Total runtime 4 ms.
[2026-05-27 15:46:13] [INFO ] Implicit Places using invariants in 152 ms returned []
[2026-05-27 15:46:13] [INFO ] Invariant cache hit.
[2026-05-27 15:46:14] [INFO ] Implicit Places using invariants and state equation in 358 ms returned []
Implicit Place search using SMT with State Equation took 526 ms to find 0 implicit places.
Running 393 sub problems to find dead transitions.
[2026-05-27 15:46:14] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/168 variables, 168/168 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/168 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 2 (OVERLAPS) 1/169 variables, 14/182 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/169 variables, 1/183 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (OVERLAPS) 394/563 variables, 169/352 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/563 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 563/563 variables, and 352 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30050 ms.
Refiners :[Domain max(s): 169/169 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 169/169 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 393 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/168 variables, 168/168 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/168 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 2 (OVERLAPS) 1/169 variables, 14/182 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/169 variables, 1/183 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (OVERLAPS) 394/563 variables, 169/352 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/563 variables, 393/745 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/563 variables, 0/745 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 563/563 variables, and 745 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30027 ms.
Refiners :[Domain max(s): 169/169 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 169/169 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60580ms problems are : Problem set: 0 solved, 393 unsolved
Search for dead transitions found 0 dead transitions in 60614ms
Finished structural reductions in LTL mode , in 1 iterations and 61202 ms. Remains : 169/169 places, 394/394 transitions.
Support contains 22 out of 169 places after structural reductions.
[2026-05-27 15:47:15] [INFO ] Flatten gal took : 109 ms
[2026-05-27 15:47:15] [INFO ] Flatten gal took : 57 ms
[2026-05-27 15:47:15] [INFO ] Input system was already deterministic with 394 transitions.
RANDOM walk for 10237 steps (1 resets) in 347 ms. (29 steps per ms) remains 0/15 properties
Computed a total of 1 stabilizing places and 1 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 2 out of 169 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 169/169 places, 394/394 transitions.
Applied a total of 0 rules in 10 ms. Remains 169 /169 variables (removed 0) and now considering 394/394 (removed 0) transitions.
[2026-05-27 15:47:15] [INFO ] Invariant cache hit.
[2026-05-27 15:47:16] [INFO ] Implicit Places using invariants in 112 ms returned []
[2026-05-27 15:47:16] [INFO ] Invariant cache hit.
[2026-05-27 15:47:16] [INFO ] Implicit Places using invariants and state equation in 313 ms returned []
Implicit Place search using SMT with State Equation took 433 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 444 ms. Remains : 169/169 places, 394/394 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Stuttering acceptance computed with spot in 329 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLCardinality-01
Product exploration explored 100000 steps with 225 reset in 886 ms.
Stack based approach found an accepted trace after 45 steps with 0 reset with depth 46 and stack size 46 in 2 ms.
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-01 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLCardinality-01 finished in 1797 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((F(!p0) U p1) U ((p0 U p2) U G(p3)))))'
Support contains 7 out of 169 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 169/169 places, 394/394 transitions.
Applied a total of 0 rules in 4 ms. Remains 169 /169 variables (removed 0) and now considering 394/394 (removed 0) transitions.
[2026-05-27 15:47:17] [INFO ] Invariant cache hit.
[2026-05-27 15:47:17] [INFO ] Implicit Places using invariants in 67 ms returned []
[2026-05-27 15:47:17] [INFO ] Invariant cache hit.
[2026-05-27 15:47:18] [INFO ] Implicit Places using invariants and state equation in 243 ms returned []
Implicit Place search using SMT with State Equation took 311 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 315 ms. Remains : 169/169 places, 394/394 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((F(!p0) U p1) U ((p0 U p2) U G(p3)))))'
Stuttering acceptance computed with spot in 516 ms :[(NOT p3), (NOT p3), (NOT p1), (AND (NOT p2) p0), (AND (NOT p1) (NOT p2)), (AND p0 p1 (NOT p3)), (OR (AND p0 (NOT p1) (NOT p3)) (AND (NOT p1) p2 (NOT p3))), p0, (AND p0 (NOT p3))]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLCardinality-07
Product exploration explored 100000 steps with 4486 reset in 904 ms.
Stack based approach found an accepted trace after 74 steps with 4 reset with depth 12 and stack size 12 in 1 ms.
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-07 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLCardinality-07 finished in 1865 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((((X(p0) U !p1)&&X(p2)) U (G(p1) U G(p2)))))'
Support contains 5 out of 169 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 169/169 places, 394/394 transitions.
Applied a total of 0 rules in 6 ms. Remains 169 /169 variables (removed 0) and now considering 394/394 (removed 0) transitions.
[2026-05-27 15:47:19] [INFO ] Invariant cache hit.
[2026-05-27 15:47:19] [INFO ] Implicit Places using invariants in 97 ms returned []
[2026-05-27 15:47:19] [INFO ] Invariant cache hit.
[2026-05-27 15:47:19] [INFO ] Implicit Places using invariants and state equation in 288 ms returned []
Implicit Place search using SMT with State Equation took 387 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 394 ms. Remains : 169/169 places, 394/394 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((((X(p0) U !p1)&&X(p2)) U (G(p1) U G(p2)))))'
Stuttering acceptance computed with spot in 342 ms :[(NOT p2), (NOT p2), (AND p2 (NOT p1) (NOT p0)), (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p2))), true, (AND p2 (NOT p1)), (AND p0 (NOT p2)), (NOT p2)]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLCardinality-08
Product exploration explored 100000 steps with 28547 reset in 662 ms.
Stack based approach found an accepted trace after 119 steps with 34 reset with depth 5 and stack size 5 in 6 ms.
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-08 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLCardinality-08 finished in 1490 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 169 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 169/169 places, 394/394 transitions.
Graph (trivial) has 219 edges and 169 vertex of which 157 / 169 are part of one of the 17 SCC in 4 ms
Free SCC test removed 140 places
Ensure Unique test removed 254 transitions
Reduce isomorphic transitions removed 254 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 12 places and 0 transitions.
Ensure Unique test removed 111 transitions
Reduce isomorphic transitions removed 111 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 126 rules applied. Total rules applied 127 place count 16 transition count 25
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 130 place count 13 transition count 25
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 131 place count 12 transition count 23
Iterating global reduction 2 with 1 rules applied. Total rules applied 132 place count 12 transition count 23
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 2 with 3 rules applied. Total rules applied 135 place count 12 transition count 20
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 137 place count 10 transition count 20
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 141 place count 8 transition count 18
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 142 place count 8 transition count 17
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 5 with 7 rules applied. Total rules applied 149 place count 8 transition count 10
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 5 with 1 rules applied. Total rules applied 150 place count 8 transition count 9
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 6 with 2 rules applied. Total rules applied 152 place count 7 transition count 8
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 153 place count 6 transition count 8
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 154 place count 5 transition count 7
Iterating global reduction 8 with 1 rules applied. Total rules applied 155 place count 5 transition count 7
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 156 place count 5 transition count 6
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 1 Pre rules applied. Total rules applied 156 place count 5 transition count 5
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 9 with 2 rules applied. Total rules applied 158 place count 4 transition count 5
Applied a total of 158 rules in 39 ms. Remains 4 /169 variables (removed 165) and now considering 5/394 (removed 389) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1714109396623559395.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15752477849652484157.kers'
[2026-05-27 15:47:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1714109396623559395.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15752477849652484157.kers]
Normalized transition count is 4 out of 5 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 4 rows 2 cols 4 entries
Finished phase 1 with 2 SingleSign rule and 0 generalized
[2026-05-27 15:47:21] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15752477849652484157.kers
Total runtime 1 ms.
[2026-05-27 15:47:21] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-27 15:47:21] [INFO ] Invariant cache hit.
[2026-05-27 15:47:21] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
[2026-05-27 15:47:21] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2026-05-27 15:47:21] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 8/9 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 43 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 8/9 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 108ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 109ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/169 places, 5/394 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 223 ms. Remains : 4/169 places, 5/394 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 103 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLCardinality-12
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLCardinality-12 finished in 370 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(p0)))'
Support contains 1 out of 169 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 169/169 places, 394/394 transitions.
Applied a total of 0 rules in 3 ms. Remains 169 /169 variables (removed 0) and now considering 394/394 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13427690963436797631.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14725072879647947372.kers'
[2026-05-27 15:47:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13427690963436797631.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14725072879647947372.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 394 rows 169 cols 1139 entries
Finished phase 1 with 155 SingleSign rule and 0 generalized
[2026-05-27 15:47:21] [INFO ] Computed 14 invariants in 2 ms
Computed 14 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-14725072879647947372.kers
Total runtime 3 ms.
[2026-05-27 15:47:21] [INFO ] Implicit Places using invariants in 92 ms returned []
[2026-05-27 15:47:21] [INFO ] Invariant cache hit.
[2026-05-27 15:47:21] [INFO ] Implicit Places using invariants and state equation in 248 ms returned []
Implicit Place search using SMT with State Equation took 345 ms to find 0 implicit places.
Running 393 sub problems to find dead transitions.
[2026-05-27 15:47:21] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/168 variables, 168/168 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/168 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 2 (OVERLAPS) 1/169 variables, 14/182 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/169 variables, 1/183 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (OVERLAPS) 394/563 variables, 169/352 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/563 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 563/563 variables, and 352 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30025 ms.
Refiners :[Domain max(s): 169/169 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 169/169 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 393 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/168 variables, 168/168 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/168 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 2 (OVERLAPS) 1/169 variables, 14/182 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/169 variables, 1/183 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (OVERLAPS) 394/563 variables, 169/352 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/563 variables, 393/745 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/563 variables, 0/745 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 563/563 variables, and 745 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30029 ms.
Refiners :[Domain max(s): 169/169 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 169/169 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60251ms problems are : Problem set: 0 solved, 393 unsolved
Search for dead transitions found 0 dead transitions in 60253ms
Finished structural reductions in LTL mode , in 1 iterations and 60606 ms. Remains : 169/169 places, 394/394 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(p0)))'
Stuttering acceptance computed with spot in 183 ms :[(NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLCardinality-13
Entered a terminal (fully accepting) state of product in 74 steps with 24 reset in 1 ms.
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLCardinality-13 finished in 60836 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((G(!p0)||(!p0&&F(G(p1)))))))'
Support contains 2 out of 169 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 169/169 places, 394/394 transitions.
Applied a total of 0 rules in 6 ms. Remains 169 /169 variables (removed 0) and now considering 394/394 (removed 0) transitions.
[2026-05-27 15:48:22] [INFO ] Invariant cache hit.
[2026-05-27 15:48:22] [INFO ] Implicit Places using invariants in 115 ms returned []
[2026-05-27 15:48:22] [INFO ] Invariant cache hit.
[2026-05-27 15:48:22] [INFO ] Implicit Places using invariants and state equation in 285 ms returned []
Implicit Place search using SMT with State Equation took 404 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 412 ms. Remains : 169/169 places, 394/394 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((G(p0)||(F(G(p1))&&p0)))))'
Stuttering acceptance computed with spot in 213 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLCardinality-14
Product exploration explored 100000 steps with 0 reset in 518 ms.
Product exploration explored 100000 steps with 0 reset in 674 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge based reduction with 8 factoid took 63 ms. Reduced automaton from 4 states, 8 edges and 2 AP (stutter sensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Reduction of identical properties reduced properties to check from 6 to 4
RANDOM walk for 40000 steps (8 resets) in 438 ms. (91 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 162 ms. (245 steps per ms) remains 1/1 properties
[2026-05-27 15:48:24] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 23/25 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 23/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 144/169 variables, 12/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 144/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/169 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 394/563 variables, 169/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/563 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/563 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 563/563 variables, and 352 constraints, problems are : Problem set: 0 solved, 1 unsolved in 245 ms.
Refiners :[Domain max(s): 169/169 constraints, Positive P Invariants (semi-flows): 14/14 constraints, State Equation: 169/169 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
Problem apf5 is UNSAT
After SMT solving in domain Int declared 2/563 variables, and 2 constraints, problems are : Problem set: 1 solved, 0 unsolved in 25 ms.
Refiners :[Domain max(s): 2/169 constraints, Positive P Invariants (semi-flows): 0/14 constraints, State Equation: 0/169 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 277ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge based reduction with 9 factoid took 127 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(AND (NOT p0) (NOT p1))]
Knowledge-based reduction took 703 ms.
Stuttering acceptance computed with spot in 42 ms :[(AND (NOT p0) (NOT p1))]
Support contains 2 out of 169 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 169/169 places, 394/394 transitions.
Graph (trivial) has 219 edges and 169 vertex of which 163 / 169 are part of one of the 17 SCC in 1 ms
Free SCC test removed 146 places
Ensure Unique test removed 274 transitions
Reduce isomorphic transitions removed 274 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 12 places and 0 transitions.
Ensure Unique test removed 101 transitions
Reduce isomorphic transitions removed 101 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 114 rules applied. Total rules applied 115 place count 10 transition count 17
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 116 place count 9 transition count 17
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 118 place count 8 transition count 16
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 2 with 6 rules applied. Total rules applied 124 place count 8 transition count 10
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 1 rules applied. Total rules applied 125 place count 8 transition count 9
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 126 place count 7 transition count 9
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 126 place count 7 transition count 8
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 128 place count 6 transition count 8
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 129 place count 5 transition count 7
Iterating global reduction 4 with 1 rules applied. Total rules applied 130 place count 5 transition count 7
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 131 place count 5 transition count 6
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 131 place count 5 transition count 5
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 133 place count 4 transition count 5
Applied a total of 133 rules in 9 ms. Remains 4 /169 variables (removed 165) and now considering 5/394 (removed 389) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16139529712494805294.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13043485221244055847.kers'
[2026-05-27 15:48:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16139529712494805294.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13043485221244055847.kers]
Normalized transition count is 4 out of 5 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 4 rows 2 cols 4 entries
Finished phase 1 with 2 SingleSign rule and 0 generalized
[2026-05-27 15:48:24] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13043485221244055847.kers
Total runtime 0 ms.
[2026-05-27 15:48:24] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-27 15:48:24] [INFO ] Invariant cache hit.
[2026-05-27 15:48:24] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2026-05-27 15:48:24] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2026-05-27 15:48:24] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 8/9 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 47 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 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) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 8/9 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 62 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 112ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 112ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/169 places, 5/394 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 173 ms. Remains : 4/169 places, 5/394 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 5 factoid took 311 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Reduction of identical properties reduced properties to check from 6 to 4
RANDOM walk for 40000 steps (8 resets) in 137 ms. (289 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 86 ms. (459 steps per ms) remains 1/1 properties
[2026-05-27 15:48:25] [INFO ] Invariant cache hit.
Problem apf5 is UNSAT
After SMT solving in domain Real declared 2/9 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 20 ms.
Refiners :[Positive P Invariants (semi-flows): 0/2 constraints, State Equation: 0/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 22ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge based reduction with 6 factoid took 353 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 41 ms :[(AND (NOT p0) (NOT p1))]
Knowledge-based reduction took 799 ms.
Stuttering acceptance computed with spot in 52 ms :[(AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 47 ms :[(AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 277 ms.
Stack based approach found an accepted trace after 9 steps with 0 reset with depth 10 and stack size 4 in 1 ms.
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-14 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLCardinality-14 finished in 3997 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(((!p1 U p2)&&p0))))'
Support contains 6 out of 169 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 169/169 places, 394/394 transitions.
Graph (trivial) has 209 edges and 169 vertex of which 146 / 169 are part of one of the 16 SCC in 1 ms
Free SCC test removed 130 places
Ensure Unique test removed 240 transitions
Reduce isomorphic transitions removed 240 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 39 transition count 150
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 9 place count 35 transition count 150
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 9 place count 35 transition count 149
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 11 place count 34 transition count 149
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 19 place count 30 transition count 145
Drop transitions (Redundant composition of simpler transitions.) removed 105 transitions
Redundant transition composition rules discarded 105 transitions
Iterating global reduction 2 with 105 rules applied. Total rules applied 124 place count 30 transition count 40
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 1 rules applied. Total rules applied 125 place count 30 transition count 39
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 126 place count 29 transition count 39
Discarding 9 places :
Symmetric choice reduction at 4 with 9 rule applications. Total rules 135 place count 20 transition count 30
Iterating global reduction 4 with 9 rules applied. Total rules applied 144 place count 20 transition count 30
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 146 place count 20 transition count 30
Applied a total of 146 rules in 34 ms. Remains 20 /169 variables (removed 149) and now considering 30/394 (removed 364) transitions.
[2026-05-27 15:48:26] [INFO ] Flow matrix only has 24 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4136521026628140662.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14567444829302048298.kers'
[2026-05-27 15:48:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4136521026628140662.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14567444829302048298.kers]
Normalized transition count is 23 out of 24 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 23 rows 19 cols 49 entries
Finished phase 1 with 15 SingleSign rule and 0 generalized
[2026-05-27 15:48:26] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-14567444829302048298.kers
Total runtime 3 ms.
[2026-05-27 15:48:26] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-27 15:48:26] [INFO ] Flow matrix only has 24 transitions (discarded 6 similar events)
[2026-05-27 15:48:26] [INFO ] Invariant cache hit.
[2026-05-27 15:48:26] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 15:48:26] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 88 ms to find 0 implicit places.
[2026-05-27 15:48:26] [INFO ] Redundant transitions in 0 ms returned []
Running 29 sub problems to find dead transitions.
[2026-05-27 15:48:26] [INFO ] Flow matrix only has 24 transitions (discarded 6 similar events)
[2026-05-27 15:48:26] [INFO ] Invariant cache hit.
[2026-05-27 15:48:26] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (OVERLAPS) 1/20 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (OVERLAPS) 23/43 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (OVERLAPS) 1/44 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/44 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (OVERLAPS) 0/44 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 29 unsolved
No progress, stopping.
After SMT solving in domain Real declared 44/44 variables, and 26 constraints, problems are : Problem set: 0 solved, 29 unsolved in 948 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 20/20 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 29 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (OVERLAPS) 1/20 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (OVERLAPS) 23/43 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 29/54 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/43 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 6 (OVERLAPS) 1/44 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/44 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 8 (OVERLAPS) 0/44 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 29 unsolved
No progress, stopping.
After SMT solving in domain Int declared 44/44 variables, and 55 constraints, problems are : Problem set: 0 solved, 29 unsolved in 756 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 20/20 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1711ms problems are : Problem set: 0 solved, 29 unsolved
Search for dead transitions found 0 dead transitions in 1711ms
Starting structural reductions in SI_LTL mode, iteration 1 : 20/169 places, 30/394 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1843 ms. Remains : 20/169 places, 30/394 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(((!p1 U p2)&&p0))))'
Stuttering acceptance computed with spot in 115 ms :[(OR (NOT p0) (NOT p2)), (NOT p2)]
Running random walk in product with property : FlexibleBarrier-PT-14a-LTLCardinality-15
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-14a-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-14a-LTLCardinality-15 finished in 2001 ms.
All properties solved by simple procedures.
Total runtime 136781 ms.
BK_STOP 1779896908277
--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -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="FlexibleBarrier-PT-14a"
export BK_EXAMINATION="LTLCardinality"
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 FlexibleBarrier-PT-14a, examination is LTLCardinality"
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-177955809100387"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-14a.tgz
mv FlexibleBarrier-PT-14a execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;