About the Execution of ITS-Tools for NeoElection-COL-6
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 518.607 | 129690.00 | 161297.00 | 700.30 | FFTFFFTFTFFTFTFF | 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.r194-tall-177969913900179.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 NeoElection-COL-6, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969913900179
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 7.6K Mar 8 07:36 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Mar 8 07:36 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Mar 8 07:36 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 8 07:36 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.7K Mar 16 08:10 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 16 08:10 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 16 08:10 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 16 08:10 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.7K Mar 8 07:38 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 74K Mar 8 07:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Mar 8 07:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K Mar 8 07:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 16 08:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 16 08:10 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 2 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 98K 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 NeoElection-COL-6-LTLCardinality-00
FORMULA_NAME NeoElection-COL-6-LTLCardinality-01
FORMULA_NAME NeoElection-COL-6-LTLCardinality-02
FORMULA_NAME NeoElection-COL-6-LTLCardinality-03
FORMULA_NAME NeoElection-COL-6-LTLCardinality-04
FORMULA_NAME NeoElection-COL-6-LTLCardinality-05
FORMULA_NAME NeoElection-COL-6-LTLCardinality-06
FORMULA_NAME NeoElection-COL-6-LTLCardinality-07
FORMULA_NAME NeoElection-COL-6-LTLCardinality-08
FORMULA_NAME NeoElection-COL-6-LTLCardinality-09
FORMULA_NAME NeoElection-COL-6-LTLCardinality-10
FORMULA_NAME NeoElection-COL-6-LTLCardinality-11
FORMULA_NAME NeoElection-COL-6-LTLCardinality-12
FORMULA_NAME NeoElection-COL-6-LTLCardinality-13
FORMULA_NAME NeoElection-COL-6-LTLCardinality-14
FORMULA_NAME NeoElection-COL-6-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1779727583855
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=NeoElection-COL-6
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLCardinality COL
Running Version 202604301425
[2026-05-25 16:46:25] [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]
[2026-05-25 16:46:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 16:46:25] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-25 16:46:25] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-25 16:46:25] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 616 ms
[2026-05-25 16:46:25] [INFO ] Detected 6 constant HL places corresponding to 2380 PT places.
[2026-05-25 16:46:25] [INFO ] Imported 18 HL places and 22 HL transitions for a total of 4830 PT places and 13580.0 transition bindings in 28 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 11 ms.
Working with output stream class java.io.PrintStream
[2026-05-25 16:46:25] [INFO ] Built PT skeleton of HLPN with 18 places and 22 transitions 98 arcs in 5 ms.
[2026-05-25 16:46:25] [INFO ] Skeletonized 16 HLPN properties in 1 ms.
Initial state reduction rules removed 4 formulas.
FORMULA NeoElection-COL-6-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NeoElection-COL-6-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NeoElection-COL-6-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NeoElection-COL-6-LTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 14 stabilizing places and 8 stable transitions
Graph (complete) has 56 edges and 18 vertex of which 15 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.4 ms
Remains 12 properties that can be checked using skeleton over-approximation.
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 12 places and 7 transitions.
Ensure Unique test removed 8 transitions
Reduce redundant transitions removed 8 transitions.
FORMULA NeoElection-COL-6-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NeoElection-COL-6-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NeoElection-COL-6-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NeoElection-COL-6-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 2 stabilizing places and 2 stable transitions
RANDOM walk for 40005 steps (1048 resets) in 315 ms. (126 steps per ms) remains 1/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 146 ms. (272 steps per ms) remains 1/1 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4277493262800343624.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15733764253673695527.kers'
[2026-05-25 16:46:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4277493262800343624.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15733764253673695527.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 7 rows 6 cols 14 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-25 16:46:26] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15733764253673695527.kers
Total runtime 1 ms.
[2026-05-25 16:46:26] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp8 is UNSAT
After SMT solving in domain Real declared 5/13 variables, and 1 constraints, problems are : Problem set: 1 solved, 0 unsolved in 103 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 0/6 constraints, ReadFeed: 0/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 143ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 5 simplifications.
[2026-05-25 16:46:26] [INFO ] Initial state reduction rules for LTL removed 5 formulas.
[2026-05-25 16:46:26] [INFO ] Flatten gal took : 14 ms
FORMULA NeoElection-COL-6-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NeoElection-COL-6-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NeoElection-COL-6-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NeoElection-COL-6-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NeoElection-COL-6-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-25 16:46:26] [INFO ] Flatten gal took : 1 ms
Domain [M(7), POS(6), M(7)] of place P_masterList breaks symmetries in sort M
Arc [15:1*[$m, (MOD (ADD $i 1) 6)]] contains successor/predecessor on variables of sort POS
Symmetric sort wr.t. initial and guards and successors and join/free detected :MT
Arc [9:1*[$m, $s, 3, 0]] contains constants of sort MT
Transition T_poll__handleAI1 : constants on arcs in [[9:1*[$m, $s, 3, 0]]] introduces in MT(6) partition with 1 elements that refines current partition to 2 subsets.
Arc [9:1*[$m, $s, 3, 0]] contains constants of sort MT
Transition T_poll__handleAI2 : constants on arcs in [[9:1*[$m, $s, 3, 0]]] introduces in MT(6) partition with 1 elements that refines current partition to 2 subsets.
Arc [9:1*[$m, $s, 4, 0]] contains constants of sort MT
Transition T_poll__handleAnnP1 : constants on arcs in [[9:1*[$m, $s, 4, 0]]] introduces in MT(6) partition with 1 elements that refines current partition to 3 subsets.
Arc [9:1*[$m, $s, 4, 0]] contains constants of sort MT
Transition T_poll__handleAnnP2 : constants on arcs in [[9:1*[$m, $s, 4, 0]]] introduces in MT(6) partition with 1 elements that refines current partition to 3 subsets.
Arc [9:1*[$m, $s, 1, 0]] contains constants of sort MT
Transition T_poll__handleAnsP1 : constants on arcs in [[9:1*[$m, $s, 1, 0]]] introduces in MT(6) partition with 1 elements that refines current partition to 4 subsets.
Arc [9:1*[$s, $m, 2, 0]] contains constants of sort MT
Transition T_poll__handleAnsP1 : constants on arcs in [[9:1*[$s, $m, 2, 0]]] introduces in MT(6) partition with 1 elements that refines current partition to 5 subsets.
Arc [9:1*[$m, $s, 1, $p]] contains constants of sort MT
Transition T_poll__handleAnsP2 : constants on arcs in [[9:1*[$m, $s, 1, $p]]] introduces in MT(6) partition with 1 elements that refines current partition to 5 subsets.
Arc [9:1*[$s, $m, 2, 0]] contains constants of sort MT
Transition T_poll__handleAnsP2 : constants on arcs in [[9:1*[$s, $m, 2, 0]]] introduces in MT(6) partition with 1 elements that refines current partition to 5 subsets.
Arc [9:1*[$m, $s, 1, $p]] contains constants of sort MT
Transition T_poll__handleAnsP3 : constants on arcs in [[9:1*[$m, $s, 1, $p]]] introduces in MT(6) partition with 1 elements that refines current partition to 5 subsets.
Arc [11:1*[$m, $s, 1, $p]] contains constants of sort MT
Transition T_poll__handleAnsP4 : constants on arcs in [[11:1*[$m, $s, 1, $p]]] introduces in MT(6) partition with 1 elements that refines current partition to 5 subsets.
Arc [9:1*[$s, $m, 2, 0]] contains constants of sort MT
Transition T_poll__handleAnsP4 : constants on arcs in [[9:1*[$s, $m, 2, 0]]] introduces in MT(6) partition with 1 elements that refines current partition to 5 subsets.
Arc [9:1*[$m, $s, 0, 0]] contains constants of sort MT
Transition T_poll__handleAskP : constants on arcs in [[9:1*[$m, $s, 0, 0]]] introduces in MT(6) partition with 1 elements that refines current partition to 6 subsets.
Symmetric sort wr.t. initial and guards and successors and join/free detected :STAGE
Arc [16:1*[$m, 0]] contains constants of sort STAGE
Transition T_poll__iAmPrimary : constants on arcs in [[16:1*[$m, 0]]] introduces in STAGE(3) partition with 1 elements that refines current partition to 2 subsets.
Arc [16:1*[$m, 1]] contains constants of sort STAGE
Transition T_poll__iAmPrimary : constants on arcs in [[16:1*[$m, 1]]] introduces in STAGE(3) partition with 1 elements that refines current partition to 3 subsets.
Symmetric sort wr.t. initial and guards and successors and join/free detected :NEGSTEP
Arc [8:1*[$m, $r, 1]] contains constants of sort NEGSTEP
Transition T_poll__handleAI1 : constants on arcs in [[8:1*[$m, $r, 1]]] introduces in NEGSTEP(3) partition with 1 elements that refines current partition to 2 subsets.
Arc [8:1*[$m, $r, 2]] contains constants of sort NEGSTEP
Transition T_poll__handleAI1 : constants on arcs in [[8:1*[$m, $r, 2]]] introduces in NEGSTEP(3) partition with 1 elements that refines current partition to 3 subsets.
Symmetric sort wr.t. initial and guards and successors and join/free detected :BOOL
Arc [7:1*[$m, 0, $pm]] contains constants of sort BOOL
Transition T_poll__handleAI2 : constants on arcs in [[7:1*[$m, 0, $pm]]] introduces in BOOL(2) partition with 1 elements that refines current partition to 2 subsets.
[2026-05-25 16:46:26] [INFO ] Unfolded HLPN to a Petri net with 4830 places and 7361 transitions 41792 arcs in 139 ms.
[2026-05-25 16:46:26] [INFO ] Unfolded 3 HLPN properties in 1 ms.
Deduced a syphon composed of 4507 places in 24 ms
Reduce places removed 4543 places and 6967 transitions.
Reduce places removed 7 places and 0 transitions.
Support contains 174 out of 280 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 280/280 places, 394/394 transitions.
Reduce places removed 30 places and 0 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 30 place count 250 transition count 394
Discarding 24 places :
Symmetric choice reduction at 1 with 24 rule applications. Total rules 54 place count 226 transition count 214
Iterating global reduction 1 with 24 rules applied. Total rules applied 78 place count 226 transition count 214
Applied a total of 78 rules in 18 ms. Remains 226 /280 variables (removed 54) and now considering 214/394 (removed 180) transitions.
[2026-05-25 16:46:26] [INFO ] Flow matrix only has 189 transitions (discarded 25 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9387629486300711053.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5491346909484813647.kers'
[2026-05-25 16:46:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9387629486300711053.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5491346909484813647.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 189 rows 221 cols 753 entries
Finished phase 1 with 129 SingleSign rule and 50 generalized
[2026-05-25 16:46:26] [INFO ] Computed 47 invariants in 1 ms
Computed 47 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-5491346909484813647.kers
Total runtime 4 ms.
[2026-05-25 16:46:26] [INFO ] Implicit Places using invariants in 153 ms returned [16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51]
Discarding 36 places :
Implicit Place search using SMT only with invariants took 163 ms to find 36 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 190/280 places, 214/394 transitions.
Applied a total of 0 rules in 1 ms. Remains 190 /190 variables (removed 0) and now considering 214/214 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 189 ms. Remains : 190/280 places, 214/394 transitions.
Starting structural reductions in LTL mode, iteration 0 : 190/190 places, 214/214 transitions.
Applied a total of 0 rules in 1 ms. Remains 190 /190 variables (removed 0) and now considering 214/214 (removed 0) transitions.
[2026-05-25 16:46:26] [INFO ] Flow matrix only has 189 transitions (discarded 25 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18083750262987444452.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14173771218293069465.kers'
[2026-05-25 16:46:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18083750262987444452.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14173771218293069465.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 189 rows 185 cols 648 entries
Finished phase 1 with 179 SingleSign rule and 0 generalized
[2026-05-25 16:46:26] [INFO ] Computed 11 invariants in 2 ms
Computed 11 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-14173771218293069465.kers
Total runtime 3 ms.
[2026-05-25 16:46:26] [INFO ] Implicit Places using invariants in 58 ms returned []
[2026-05-25 16:46:26] [INFO ] Flow matrix only has 189 transitions (discarded 25 similar events)
[2026-05-25 16:46:26] [INFO ] Invariant cache hit.
[2026-05-25 16:46:26] [INFO ] State equation strengthened by 15 read => feed constraints.
[2026-05-25 16:46:26] [INFO ] Implicit Places using invariants and state equation in 155 ms returned []
Implicit Place search using SMT with State Equation took 215 ms to find 0 implicit places.
Running 208 sub problems to find dead transitions.
[2026-05-25 16:46:26] [INFO ] Flow matrix only has 189 transitions (discarded 25 similar events)
[2026-05-25 16:46:26] [INFO ] Invariant cache hit.
[2026-05-25 16:46:26] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/184 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 2 (OVERLAPS) 6/190 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/190 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 208 unsolved
Problem TDEAD35 is UNSAT
At refinement iteration 4 (OVERLAPS) 189/379 variables, 190/201 constraints. Problems are: Problem set: 1 solved, 207 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/379 variables, 15/216 constraints. Problems are: Problem set: 1 solved, 207 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/379 variables, 20/236 constraints. Problems are: Problem set: 1 solved, 207 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/379 variables, 18/254 constraints. Problems are: Problem set: 1 solved, 207 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/379 variables, 8/262 constraints. Problems are: Problem set: 1 solved, 207 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/379 variables, 8/270 constraints. Problems are: Problem set: 1 solved, 207 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/379 variables, 2/272 constraints. Problems are: Problem set: 1 solved, 207 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/379 variables, 2/274 constraints. Problems are: Problem set: 1 solved, 207 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/379 variables, 0/274 constraints. Problems are: Problem set: 1 solved, 207 unsolved
At refinement iteration 13 (OVERLAPS) 0/379 variables, 0/274 constraints. Problems are: Problem set: 1 solved, 207 unsolved
No progress, stopping.
After SMT solving in domain Real declared 379/379 variables, and 274 constraints, problems are : Problem set: 1 solved, 207 unsolved in 23974 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 190/190 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 208/208 constraints, Known Traps: 58/58 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 207 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/184 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 207 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/184 variables, 1/6 constraints. Problems are: Problem set: 1 solved, 207 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/184 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 207 unsolved
At refinement iteration 3 (OVERLAPS) 6/190 variables, 6/12 constraints. Problems are: Problem set: 1 solved, 207 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 57/69 constraints. Problems are: Problem set: 1 solved, 207 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/69 constraints. Problems are: Problem set: 1 solved, 207 unsolved
At refinement iteration 6 (OVERLAPS) 189/379 variables, 190/259 constraints. Problems are: Problem set: 1 solved, 207 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/379 variables, 15/274 constraints. Problems are: Problem set: 1 solved, 207 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/379 variables, 207/481 constraints. Problems are: Problem set: 1 solved, 207 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/379 variables, 0/481 constraints. Problems are: Problem set: 1 solved, 207 unsolved
At refinement iteration 10 (OVERLAPS) 0/379 variables, 1/482 constraints. Problems are: Problem set: 1 solved, 207 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/379 variables, 0/482 constraints. Problems are: Problem set: 1 solved, 207 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 379/379 variables, and 482 constraints, problems are : Problem set: 1 solved, 207 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 190/190 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 207/208 constraints, Known Traps: 59/59 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 54094ms problems are : Problem set: 1 solved, 207 unsolved
Search for dead transitions found 1 dead transitions in 54097ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) removed 1 transitions
Starting structural reductions in LTL mode, iteration 1 : 190/190 places, 213/214 transitions.
Applied a total of 0 rules in 2 ms. Remains 190 /190 variables (removed 0) and now considering 213/213 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 54335 ms. Remains : 190/190 places, 213/214 transitions.
Support contains 174 out of 190 places after structural reductions.
[2026-05-25 16:47:21] [INFO ] Flatten gal took : 26 ms
[2026-05-25 16:47:21] [INFO ] Flatten gal took : 22 ms
[2026-05-25 16:47:21] [INFO ] Input system was already deterministic with 213 transitions.
RANDOM walk for 40000 steps (96 resets) in 829 ms. (48 steps per ms) remains 1/7 properties
BEST_FIRST walk for 40003 steps (12 resets) in 188 ms. (211 steps per ms) remains 1/1 properties
[2026-05-25 16:47:21] [INFO ] Flow matrix only has 188 transitions (discarded 25 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9344694484237950685.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16587196200100956690.kers'
[2026-05-25 16:47:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9344694484237950685.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16587196200100956690.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 188 rows 185 cols 645 entries
Finished phase 1 with 178 SingleSign rule and 0 generalized
[2026-05-25 16:47:21] [INFO ] Computed 12 invariants in 0 ms
Computed 12 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16587196200100956690.kers
Total runtime 1 ms.
[2026-05-25 16:47:21] [INFO ] State equation strengthened by 14 read => feed constraints.
Problem AtomicPropp0 is UNSAT
After SMT solving in domain Real declared 6/378 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 18 ms.
Refiners :[Positive P Invariants (semi-flows): 0/12 constraints, State Equation: 0/190 constraints, ReadFeed: 0/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 30ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 3 simplifications.
Computed a total of 190 stabilizing places and 213 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 190 transition count 213
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
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(p0)))'
Support contains 120 out of 190 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 190/190 places, 213/213 transitions.
Reduce places removed 6 places and 6 transitions.
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 0 place count 184 transition count 201
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 178 transition count 201
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 18 place count 172 transition count 195
Iterating global reduction 0 with 6 rules applied. Total rules applied 24 place count 172 transition count 195
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 6 Pre rules applied. Total rules applied 24 place count 172 transition count 189
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 36 place count 166 transition count 189
Applied a total of 36 rules in 31 ms. Remains 166 /190 variables (removed 24) and now considering 189/213 (removed 24) transitions.
[2026-05-25 16:47:21] [INFO ] Flow matrix only has 164 transitions (discarded 25 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4633043726152039590.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7059944833403055515.kers'
[2026-05-25 16:47:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4633043726152039590.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7059944833403055515.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 164 rows 161 cols 329 entries
Finished phase 1 with 154 SingleSign rule and 0 generalized
[2026-05-25 16:47:21] [INFO ] Computed 12 invariants in 0 ms
Computed 12 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7059944833403055515.kers
Total runtime 0 ms.
[2026-05-25 16:47:21] [INFO ] Implicit Places using invariants in 52 ms returned []
[2026-05-25 16:47:21] [INFO ] Flow matrix only has 164 transitions (discarded 25 similar events)
[2026-05-25 16:47:21] [INFO ] Invariant cache hit.
[2026-05-25 16:47:21] [INFO ] State equation strengthened by 134 read => feed constraints.
[2026-05-25 16:47:21] [INFO ] Implicit Places using invariants and state equation in 142 ms returned []
Implicit Place search using SMT with State Equation took 198 ms to find 0 implicit places.
[2026-05-25 16:47:21] [INFO ] Redundant transitions in 5 ms returned []
Running 183 sub problems to find dead transitions.
[2026-05-25 16:47:21] [INFO ] Flow matrix only has 164 transitions (discarded 25 similar events)
[2026-05-25 16:47:21] [INFO ] Invariant cache hit.
[2026-05-25 16:47:21] [INFO ] State equation strengthened by 134 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/160 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/160 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 2 (OVERLAPS) 6/166 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/166 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 5 (OVERLAPS) 164/330 variables, 166/180 constraints. Problems are: Problem set: 0 solved, 183 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/330 variables, 134/314 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 8 (OVERLAPS) 0/330 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 183 unsolved
No progress, stopping.
After SMT solving in domain Real declared 330/330 variables, and 314 constraints, problems are : Problem set: 0 solved, 183 unsolved in 6626 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 166/166 constraints, ReadFeed: 134/134 constraints, PredecessorRefiner: 183/183 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 183 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/160 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/160 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/160 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 3 (OVERLAPS) 6/166 variables, 7/13 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/166 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 6 (OVERLAPS) 164/330 variables, 166/180 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 134/314 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 183/497 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/330 variables, 0/497 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 10 (OVERLAPS) 0/330 variables, 0/497 constraints. Problems are: Problem set: 0 solved, 183 unsolved
No progress, stopping.
After SMT solving in domain Int declared 330/330 variables, and 497 constraints, problems are : Problem set: 0 solved, 183 unsolved in 9167 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 166/166 constraints, ReadFeed: 134/134 constraints, PredecessorRefiner: 183/183 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15809ms problems are : Problem set: 0 solved, 183 unsolved
Search for dead transitions found 0 dead transitions in 15810ms
Starting structural reductions in SI_LTL mode, iteration 1 : 166/190 places, 189/213 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 16054 ms. Remains : 166/190 places, 189/213 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(p0)))'
Stuttering acceptance computed with spot in 144 ms :[(NOT p0)]
Running random walk in product with property : NeoElection-COL-6-LTLCardinality-00
Stuttering criterion allowed to conclude after 150 steps with 0 reset in 6 ms.
FORMULA NeoElection-COL-6-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NeoElection-COL-6-LTLCardinality-00 finished in 16279 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((p0 U (p1||G(p0))))||(F(p2)&&X(p3))))'
Support contains 54 out of 190 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 190/190 places, 213/213 transitions.
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 20 place count 170 transition count 183
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 170 transition count 183
Applied a total of 40 rules in 7 ms. Remains 170 /190 variables (removed 20) and now considering 183/213 (removed 30) transitions.
[2026-05-25 16:47:37] [INFO ] Flow matrix only has 158 transitions (discarded 25 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4468775358885093639.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11593934095058063028.kers'
[2026-05-25 16:47:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4468775358885093639.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11593934095058063028.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 158 rows 165 cols 545 entries
Finished phase 1 with 158 SingleSign rule and 0 generalized
[2026-05-25 16:47:37] [INFO ] Computed 12 invariants in 0 ms
Computed 12 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11593934095058063028.kers
Total runtime 1 ms.
[2026-05-25 16:47:38] [INFO ] Implicit Places using invariants in 81 ms returned []
[2026-05-25 16:47:38] [INFO ] Flow matrix only has 158 transitions (discarded 25 similar events)
[2026-05-25 16:47:38] [INFO ] Invariant cache hit.
[2026-05-25 16:47:38] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 16:47:38] [INFO ] Implicit Places using invariants and state equation in 134 ms returned []
Implicit Place search using SMT with State Equation took 217 ms to find 0 implicit places.
Running 177 sub problems to find dead transitions.
[2026-05-25 16:47:38] [INFO ] Flow matrix only has 158 transitions (discarded 25 similar events)
[2026-05-25 16:47:38] [INFO ] Invariant cache hit.
[2026-05-25 16:47:38] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/164 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/164 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 6/170 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/170 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/170 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/170 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (OVERLAPS) 158/328 variables, 170/184 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/328 variables, 4/188 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/328 variables, 20/208 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/328 variables, 20/228 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/328 variables, 5/233 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/328 variables, 7/240 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/328 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 13 (OVERLAPS) 0/328 variables, 3/243 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/328 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 15 (OVERLAPS) 0/328 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Real declared 328/328 variables, and 243 constraints, problems are : Problem set: 0 solved, 177 unsolved in 19783 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 170/170 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 57/57 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 177 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/164 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/164 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 6/170 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/170 variables, 57/69 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/170 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (OVERLAPS) 158/328 variables, 170/239 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/328 variables, 4/243 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/328 variables, 177/420 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/328 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 9 (OVERLAPS) 0/328 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Int declared 328/328 variables, and 420 constraints, problems are : Problem set: 0 solved, 177 unsolved in 16290 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 170/170 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 57/57 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 36098ms problems are : Problem set: 0 solved, 177 unsolved
Search for dead transitions found 0 dead transitions in 36099ms
Starting structural reductions in LTL mode, iteration 1 : 170/190 places, 183/213 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 36324 ms. Remains : 170/190 places, 183/213 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((p0 U (p1||G(p0))))||(F(p2)&&X(p3))))'
Stuttering acceptance computed with spot in 249 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (AND (NOT p2) (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0) (NOT p3)), (NOT p2), true, (AND (NOT p1) (NOT p0))]
Running random walk in product with property : NeoElection-COL-6-LTLCardinality-07
Product exploration explored 100000 steps with 3952 reset in 354 ms.
Product exploration explored 100000 steps with 3955 reset in 308 ms.
Computed a total of 170 stabilizing places and 183 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 170 transition count 183
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge based reduction with 20 factoid took 75 ms. Reduced automaton from 6 states, 10 edges and 4 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Reduction of identical properties reduced properties to check from 4 to 3
RANDOM walk for 97 steps (0 resets) in 4 ms. (19 steps per ms) remains 0/3 properties
Knowledge based reduction with 20 factoid took 94 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 133 ms :[true, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
[2026-05-25 16:48:15] [INFO ] Flow matrix only has 158 transitions (discarded 25 similar events)
[2026-05-25 16:48:15] [INFO ] Invariant cache hit.
[2026-05-25 16:48:15] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 16:48:15] [INFO ] [Real]Absence check using state equation in 82 ms returned sat
[2026-05-25 16:48:15] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 16:48:15] [INFO ] [Nat]Absence check using 12 positive place invariants in 3 ms returned sat
[2026-05-25 16:48:16] [INFO ] [Nat]Absence check using state equation in 125 ms returned sat
[2026-05-25 16:48:16] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 16:48:16] [INFO ] [Nat]Added 4 Read/Feed constraints in 22 ms returned sat
[2026-05-25 16:48:16] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 307 ms
[2026-05-25 16:48:16] [INFO ] Computed and/alt/rep : 171/365/146 causal constraints (skipped 6 transitions) in 8 ms.
[2026-05-25 16:48:17] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 279 ms
[2026-05-25 16:48:17] [INFO ] Added : 58 causal constraints over 12 iterations in 805 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Knowledge-based reduction took 1952 ms.
Stuttering acceptance computed with spot in 142 ms :[true, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 42 out of 170 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 170/170 places, 183/183 transitions.
Applied a total of 0 rules in 6 ms. Remains 170 /170 variables (removed 0) and now considering 183/183 (removed 0) transitions.
[2026-05-25 16:48:17] [INFO ] Flow matrix only has 158 transitions (discarded 25 similar events)
[2026-05-25 16:48:17] [INFO ] Invariant cache hit.
[2026-05-25 16:48:17] [INFO ] Implicit Places using invariants in 66 ms returned []
[2026-05-25 16:48:17] [INFO ] Flow matrix only has 158 transitions (discarded 25 similar events)
[2026-05-25 16:48:17] [INFO ] Invariant cache hit.
[2026-05-25 16:48:17] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 16:48:17] [INFO ] Implicit Places using invariants and state equation in 115 ms returned []
Implicit Place search using SMT with State Equation took 182 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 189 ms. Remains : 170/170 places, 183/183 transitions.
Computed a total of 170 stabilizing places and 183 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 170 transition count 183
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge based reduction with 7 factoid took 63 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Reduction of identical properties reduced properties to check from 4 to 3
RANDOM walk for 113 steps (0 resets) in 5 ms. (18 steps per ms) remains 0/3 properties
Knowledge based reduction with 7 factoid took 123 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 129 ms :[true, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
[2026-05-25 16:48:17] [INFO ] Flow matrix only has 158 transitions (discarded 25 similar events)
[2026-05-25 16:48:17] [INFO ] Invariant cache hit.
[2026-05-25 16:48:17] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2026-05-25 16:48:18] [INFO ] [Real]Absence check using state equation in 86 ms returned sat
[2026-05-25 16:48:18] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 16:48:18] [INFO ] [Nat]Absence check using 12 positive place invariants in 3 ms returned sat
[2026-05-25 16:48:18] [INFO ] [Nat]Absence check using state equation in 124 ms returned sat
[2026-05-25 16:48:18] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-25 16:48:18] [INFO ] [Nat]Added 4 Read/Feed constraints in 22 ms returned sat
[2026-05-25 16:48:18] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 291 ms
[2026-05-25 16:48:18] [INFO ] Computed and/alt/rep : 171/365/146 causal constraints (skipped 6 transitions) in 10 ms.
[2026-05-25 16:48:19] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 279 ms
[2026-05-25 16:48:19] [INFO ] Added : 58 causal constraints over 12 iterations in 780 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Knowledge-based reduction took 1882 ms.
Stuttering acceptance computed with spot in 146 ms :[true, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 130 ms :[true, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 3958 reset in 257 ms.
Product exploration explored 100000 steps with 3948 reset in 269 ms.
Spot run failed in 73 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin11736189296505078964
[2026-05-25 16:48:20] [INFO ] Built C files in 14ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11736189296505078964
Running compilation step : cd /tmp/ltsmin11736189296505078964;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 436 ms.
Running link step : cd /tmp/ltsmin11736189296505078964;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 51 ms.
Running LTSmin : cd /tmp/ltsmin11736189296505078964;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased17492007478062376665.hoa' '--buchi-type=spotba'
LTSmin run took 4039 ms.
FORMULA NeoElection-COL-6-LTLCardinality-07 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property NeoElection-COL-6-LTLCardinality-07 finished in 46948 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(p0)))'
Support contains 6 out of 190 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 190/190 places, 213/213 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 190 transition count 207
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 12 place count 184 transition count 207
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 12 place count 184 transition count 201
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 24 place count 178 transition count 201
Discarding 26 places :
Symmetric choice reduction at 2 with 26 rule applications. Total rules 50 place count 152 transition count 165
Iterating global reduction 2 with 26 rules applied. Total rules applied 76 place count 152 transition count 165
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 76 place count 152 transition count 159
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 88 place count 146 transition count 159
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 0 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 2 with 48 rules applied. Total rules applied 136 place count 122 transition count 135
Applied a total of 136 rules in 41 ms. Remains 122 /190 variables (removed 68) and now considering 135/213 (removed 78) transitions.
[2026-05-25 16:48:24] [INFO ] Flow matrix only has 110 transitions (discarded 25 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12127879412884414931.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8371670396050441861.kers'
[2026-05-25 16:48:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12127879412884414931.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8371670396050441861.kers]
Culling duplicate invariants (modulo rational): removing 11 columns.
Culled 11 columns in 0 ms.
// Phase 1: matrix 110 rows 111 cols 235 entries
Finished phase 1 with 110 SingleSign rule and 0 generalized
[2026-05-25 16:48:24] [INFO ] Computed 12 invariants in 0 ms
Computed 12 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8371670396050441861.kers
Total runtime 2 ms.
[2026-05-25 16:48:24] [INFO ] Implicit Places using invariants in 77 ms returned []
[2026-05-25 16:48:24] [INFO ] Flow matrix only has 110 transitions (discarded 25 similar events)
[2026-05-25 16:48:24] [INFO ] Invariant cache hit.
[2026-05-25 16:48:25] [INFO ] State equation strengthened by 104 read => feed constraints.
[2026-05-25 16:48:25] [INFO ] Implicit Places using invariants and state equation in 178 ms returned []
Implicit Place search using SMT with State Equation took 256 ms to find 0 implicit places.
[2026-05-25 16:48:25] [INFO ] Redundant transitions in 6 ms returned []
Running 129 sub problems to find dead transitions.
[2026-05-25 16:48:25] [INFO ] Flow matrix only has 110 transitions (discarded 25 similar events)
[2026-05-25 16:48:25] [INFO ] Invariant cache hit.
[2026-05-25 16:48:25] [INFO ] State equation strengthened by 104 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/116 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/116 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (OVERLAPS) 6/122 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/122 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (OVERLAPS) 110/232 variables, 122/134 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 104/238 constraints. Problems are: Problem set: 0 solved, 129 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (OVERLAPS) 0/232 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Real declared 232/232 variables, and 238 constraints, problems are : Problem set: 0 solved, 129 unsolved in 3114 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 122/122 constraints, ReadFeed: 104/104 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 129 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/116 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/116 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 2 (OVERLAPS) 6/122 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/122 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 4 (OVERLAPS) 110/232 variables, 122/134 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/232 variables, 104/238 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 129/367 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/367 constraints. Problems are: Problem set: 0 solved, 129 unsolved
At refinement iteration 8 (OVERLAPS) 0/232 variables, 0/367 constraints. Problems are: Problem set: 0 solved, 129 unsolved
No progress, stopping.
After SMT solving in domain Int declared 232/232 variables, and 367 constraints, problems are : Problem set: 0 solved, 129 unsolved in 4785 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 122/122 constraints, ReadFeed: 104/104 constraints, PredecessorRefiner: 129/129 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7909ms problems are : Problem set: 0 solved, 129 unsolved
Search for dead transitions found 0 dead transitions in 7910ms
Starting structural reductions in SI_LTL mode, iteration 1 : 122/190 places, 135/213 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 8219 ms. Remains : 122/190 places, 135/213 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(p0)))'
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Running random walk in product with property : NeoElection-COL-6-LTLCardinality-15
Stuttering criterion allowed to conclude after 126 steps with 0 reset in 3 ms.
FORMULA NeoElection-COL-6-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property NeoElection-COL-6-LTLCardinality-15 finished in 8294 ms.
All properties solved by simple procedures.
Total runtime 128157 ms.
BK_STOP 1779727713545
--------------------
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="NeoElection-COL-6"
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 NeoElection-COL-6, 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 r194-tall-177969913900179"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/NeoElection-COL-6.tgz
mv NeoElection-COL-6 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 ;