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.r034-tall-177946841700063.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)
.................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is BridgeAndVehicles-COL-V20P20N50, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946841700063
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 604K
-rw-r--r-- 1 mcc users 12K Mar 5 08:51 CTLCardinality.txt
-rw-r--r-- 1 mcc users 120K Mar 5 08:51 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Mar 5 08:51 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 5 08:51 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.2K Mar 15 07:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 07:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 07:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 5 08:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 138K Mar 5 08:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 5 08:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 90K Mar 5 08:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 07:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 07:34 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 41K 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 BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-00
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-01
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-02
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-03
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-04
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-05
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-06
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-07
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-08
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-09
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-10
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-11
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-12
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-13
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-14
FORMULA_NAME BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779492817802

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V20P20N50
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
ReachabilityFireability COL
Running Version 202604301425
[2026-05-22 23:33:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-22 23:33:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 23:33:39] [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.
[2026-05-22 23:33:39] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-22 23:33:39] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 565 ms
[2026-05-22 23:33:39] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 108 PT places and 90298.0 transition bindings in 20 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 21 ms.
Reduction of identical properties reduced properties to check from 16 to 13
Working with output stream class java.io.PrintStream
FORMULA BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-22 23:33:39] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 4 ms.
[2026-05-22 23:33:39] [INFO ] Skeletonized 11 HLPN properties in 0 ms.
Remains 1 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Computed a total of 9 stabilizing places and 6 stable transitions
Graph (complete) has 22 edges and 12 vertex of which 10 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.4 ms
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
RANDOM walk for 130 steps (0 resets) in 10 ms. (11 steps per ms) remains 0/1 properties
[2026-05-22 23:33:39] [INFO ] Flatten gal took : 23 ms
[2026-05-22 23:33:39] [INFO ] Flatten gal took : 7 ms
[2026-05-22 23:33:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17792554029059114988.gal : 4 ms
[2026-05-22 23:33:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6964074451833021485.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17792554029059114988.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6964074451833021485.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality6964074451833021485.prop.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,5,0.015116,3800,2,21,5,62,6,0,55,27,0
Total reachable state count : 5

ITS tools runner thread asked to quit. Dying gracefully.
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
[2026-05-22 23:33:39] [INFO ] Flatten gal took : 2 ms
[2026-05-22 23:33:39] [INFO ] Flatten gal took : 2 ms
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2026-05-22 23:33:39] [INFO ] Flatten gal took : 2 ms
[2026-05-22 23:33:39] [INFO ] Flatten gal took : 2 ms
[2026-05-22 23:33:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6710191385325367156.gal : 2 ms
[2026-05-22 23:33:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1169909180254560780.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6710191385325367156.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1169909180254560780.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality1169909180254560780.prop.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,5,0.002254,3920,2,21,5,62,6,0,55,27,0
Total reachable state count : 5

ITS tools runner thread asked to quit. Dying gracefully.
Arc [13:1*[(MOD (ADD $cpt 1) 51)]] contains successor/predecessor on variables of sort compteur
Arc [1:1*[(MOD (ADD $cA 1) 21)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 21) 21) 21)]] contains successor/predecessor on variables of sort voitureB
Arc [14:1*[(MOD (ADD $s 1) 2)]] contains successor/predecessor on variables of sort sens
[2026-05-22 23:33:40] [INFO ] Unfolded HLPN to a Petri net with 108 places and 2228 transitions 17190 arcs in 62 ms.
[2026-05-22 23:33:40] [INFO ] Unfolded 11 HLPN properties in 4 ms.
RANDOM walk for 40000 steps (228 resets) in 5062 ms. (7 steps per ms) remains 5/11 properties
FORMULA BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-22 23:33:41] [INFO ] Flatten gal took : 510 ms
[2026-05-22 23:33:42] [INFO ] Flatten gal took : 215 ms
[2026-05-22 23:33:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13003992613829427377.gal : 106 ms
[2026-05-22 23:33:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4547817424023994226.prop : 132 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13003992613829427377.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4547817424023994226.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality4547817424023994226.prop.
BEST_FIRST walk for 40003 steps (104 resets) in 6599 ms. (6 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (100 resets) in 4149 ms. (9 steps per ms) remains 5/5 properties
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :6 after 16
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :16 after 34
BEST_FIRST walk for 40004 steps (64 resets) in 14394 ms. (2 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (108 resets) in 2703 ms. (14 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (108 resets) in 340 ms. (117 steps per ms) remains 5/5 properties
[2026-05-22 23:33:49] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-66924463602022118.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1378883976344171788.kers'
[2026-05-22 23:33:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-66924463602022118.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1378883976344171788.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 290 rows 108 cols 1270 entries
Finished phase 1 with 61 SingleSign rule and 40 generalized
[2026-05-22 23:33:49] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-1378883976344171788.kers
Total runtime 6 ms.
[2026-05-22 23:33:49] [INFO ] State equation strengthened by 102 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :34 after 85
Problem BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-01 is UNSAT
FORMULA BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-03 is UNSAT
FORMULA BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 0/5 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 2/108 variables, 2/7 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/7 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 290/398 variables, 108/115 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/398 variables, 102/217 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/398 variables, 0/217 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/398 variables, 0/217 constraints. Problems are: Problem set: 2 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 398/398 variables, and 217 constraints, problems are : Problem set: 2 solved, 3 unsolved in 1207 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 108/108 constraints, ReadFeed: 102/102 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 0/5 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 2/108 variables, 2/7 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/7 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 290/398 variables, 108/115 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/398 variables, 102/217 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/398 variables, 1/218 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/398 variables, 0/218 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/398 variables, 0/218 constraints. Problems are: Problem set: 2 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 398/398 variables, and 218 constraints, problems are : Problem set: 2 solved, 3 unsolved in 2753 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 108/108 constraints, ReadFeed: 102/102 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4132ms problems are : Problem set: 2 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 422 ms.
Support contains 106 out of 108 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 108/108 places, 2228/2228 transitions.
Graph (complete) has 882 edges and 108 vertex of which 106 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.8 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 347 ms. Remains 106 /108 variables (removed 2) and now considering 2228/2228 (removed 0) transitions.
Running 2225 sub problems to find dead transitions.
[2026-05-22 23:33:54] [INFO ] Flow matrix only has 290 transitions (discarded 1938 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9838347440448546972.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13929119333929996080.kers'
[2026-05-22 23:33:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9838347440448546972.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13929119333929996080.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 290 rows 106 cols 1268 entries
Finished phase 1 with 101 SingleSign rule and 0 generalized
[2026-05-22 23:33:54] [INFO ] Computed 5 invariants in 1 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13929119333929996080.kers
Total runtime 2 ms.
[2026-05-22 23:33:54] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2225 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 106/396 variables, and 6 constraints, problems are : Problem set: 0 solved, 2225 unsolved in 20048 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2225/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2225 unsolved
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :85 after 924
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2225 unsolved
Problem TDEAD1188 is UNSAT
Problem TDEAD1239 is UNSAT
Problem TDEAD1290 is UNSAT
Problem TDEAD1341 is UNSAT
Problem TDEAD1392 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 106/396 variables, and 7 constraints, problems are : Problem set: 5 solved, 2220 unsolved in 20040 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2083/142 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42195ms problems are : Problem set: 5 solved, 2220 unsolved
Search for dead transitions found 5 dead transitions in 42212ms
Found 5 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 5 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 5 transitions.
Starting structural reductions in REACHABILITY mode, iteration 1 : 106/108 places, 2223/2228 transitions.
Applied a total of 0 rules in 193 ms. Remains 106 /106 variables (removed 0) and now considering 2223/2223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42784 ms. Remains : 106/108 places, 2223/2228 transitions.
RANDOM walk for 40000 steps (228 resets) in 841 ms. (47 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (66 resets) in 14081 ms. (2 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (108 resets) in 2647 ms. (15 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40000 steps (108 resets) in 282 ms. (141 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 977076 steps, run timeout after 12001 ms. (steps per millisecond=81 ) properties seen :0 out of 3
Probabilistic random walk after 977076 steps, saw 238319 distinct states, run finished after 12005 ms. (steps per millisecond=81 ) properties seen :0
[2026-05-22 23:34:53] [INFO ] Flow matrix only has 290 transitions (discarded 1933 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1645454815296035998.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15610391765024168142.kers'
[2026-05-22 23:34:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1645454815296035998.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15610391765024168142.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 290 rows 106 cols 1268 entries
Finished phase 1 with 101 SingleSign rule and 0 generalized
[2026-05-22 23:34:53] [INFO ] Computed 5 invariants in 1 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15610391765024168142.kers
Total runtime 1 ms.
[2026-05-22 23:34:53] [INFO ] State equation strengthened by 102 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 290/396 variables, 106/111 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/396 variables, 102/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/396 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 0/396 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 396/396 variables, and 213 constraints, problems are : Problem set: 0 solved, 3 unsolved in 851 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 106/106 constraints, ReadFeed: 102/102 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 290/396 variables, 106/111 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/396 variables, 102/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/396 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/396 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/396 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 396/396 variables, and 214 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1662 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 106/106 constraints, ReadFeed: 102/102 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2557ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 3 ms.
Support contains 106 out of 106 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 106/106 places, 2223/2223 transitions.
Applied a total of 0 rules in 163 ms. Remains 106 /106 variables (removed 0) and now considering 2223/2223 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 165 ms. Remains : 106/106 places, 2223/2223 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 106/106 places, 2223/2223 transitions.
Applied a total of 0 rules in 161 ms. Remains 106 /106 variables (removed 0) and now considering 2223/2223 (removed 0) transitions.
[2026-05-22 23:34:56] [INFO ] Flow matrix only has 290 transitions (discarded 1933 similar events)
[2026-05-22 23:34:56] [INFO ] Invariant cache hit.
[2026-05-22 23:34:56] [INFO ] Implicit Places using invariants in 51 ms returned []
[2026-05-22 23:34:56] [INFO ] Flow matrix only has 290 transitions (discarded 1933 similar events)
[2026-05-22 23:34:56] [INFO ] Invariant cache hit.
[2026-05-22 23:34:56] [INFO ] State equation strengthened by 102 read => feed constraints.
[2026-05-22 23:34:56] [INFO ] Implicit Places using invariants and state equation in 141 ms returned []
Implicit Place search using SMT with State Equation took 202 ms to find 0 implicit places.
[2026-05-22 23:34:56] [INFO ] Redundant transitions in 119 ms returned []
Running 2220 sub problems to find dead transitions.
[2026-05-22 23:34:56] [INFO ] Flow matrix only has 290 transitions (discarded 1933 similar events)
[2026-05-22 23:34:56] [INFO ] Invariant cache hit.
[2026-05-22 23:34:56] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2220 unsolved
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :924 after 2164
Problem TDEAD1438 is UNSAT
Problem TDEAD1489 is UNSAT
Problem TDEAD1540 is UNSAT
Problem TDEAD1591 is UNSAT
Problem TDEAD1642 is UNSAT
Problem TDEAD1693 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 106/396 variables, and 7 constraints, problems are : Problem set: 6 solved, 2214 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2220/142 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 6 solved, 2214 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 6 solved, 2214 unsolved
Problem TDEAD168 is UNSAT
Problem TDEAD219 is UNSAT
Problem TDEAD270 is UNSAT
Problem TDEAD321 is UNSAT
Problem TDEAD372 is UNSAT
Problem TDEAD423 is UNSAT
Problem TDEAD474 is UNSAT
Problem TDEAD525 is UNSAT
Problem TDEAD576 is UNSAT
Problem TDEAD627 is UNSAT
Problem TDEAD678 is UNSAT
Problem TDEAD729 is UNSAT
Problem TDEAD780 is UNSAT
Problem TDEAD831 is UNSAT
Problem TDEAD882 is UNSAT
Problem TDEAD933 is UNSAT
Problem TDEAD984 is UNSAT
Problem TDEAD1035 is UNSAT
Problem TDEAD1086 is UNSAT
Problem TDEAD1137 is UNSAT
Problem TDEAD1744 is UNSAT
Problem TDEAD1795 is UNSAT
Problem TDEAD1846 is UNSAT
Problem TDEAD1897 is UNSAT
Problem TDEAD1948 is UNSAT
Problem TDEAD1999 is UNSAT
Problem TDEAD2050 is UNSAT
Problem TDEAD2101 is UNSAT
Problem TDEAD2152 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 2/7 constraints. Problems are: Problem set: 35 solved, 2185 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 106/396 variables, and 7 constraints, problems are : Problem set: 35 solved, 2185 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2072/142 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61952ms problems are : Problem set: 35 solved, 2185 unsolved
Search for dead transitions found 35 dead transitions in 61959ms
Found 35 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 35 transitions
Dead transitions reduction (with SMT) removed 35 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 106/106 places, 2188/2223 transitions.
Applied a total of 0 rules in 138 ms. Remains 106 /106 variables (removed 0) and now considering 2188/2188 (removed 0) transitions.
[2026-05-22 23:35:58] [INFO ] Redundant transitions in 46 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 62652 ms. Remains : 106/106 places, 2188/2223 transitions.
RANDOM walk for 40000 steps (228 resets) in 929 ms. (43 steps per ms) remains 3/3 properties
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :2164 after 2212
BEST_FIRST walk for 40002 steps (67 resets) in 16807 ms. (2 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (108 resets) in 3443 ms. (11 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (108 resets) in 232 ms. (171 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 1225497 steps, run timeout after 15001 ms. (steps per millisecond=81 ) properties seen :0 out of 3
Probabilistic random walk after 1225497 steps, saw 292783 distinct states, run finished after 15001 ms. (steps per millisecond=81 ) properties seen :0
[2026-05-22 23:36:19] [INFO ] Flow matrix only has 288 transitions (discarded 1900 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6383133470195612908.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9701628839443439920.kers'
[2026-05-22 23:36:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6383133470195612908.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9701628839443439920.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 288 rows 106 cols 1264 entries
Finished phase 1 with 100 SingleSign rule and 1 generalized
[2026-05-22 23:36:19] [INFO ] Computed 5 invariants in 1 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9701628839443439920.kers
Total runtime 2 ms.
[2026-05-22 23:36:19] [INFO ] State equation strengthened by 100 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-07 is UNSAT
FORMULA BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-07 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-10 is UNSAT
FORMULA BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-12 FALSE TECHNIQUES SMT_REFINEMENT
FORMULA BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-14 FALSE TECHNIQUES SMT_REFINEMENT
FORMULA BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-10 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 288/394 variables, 106/111 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/394 variables, 100/211 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/394 variables, 0/211 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/394 variables, 0/211 constraints. Problems are: Problem set: 2 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 394/394 variables, and 211 constraints, problems are : Problem set: 2 solved, 1 unsolved in 3554 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 106/106 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 0/5 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 288/394 variables, 106/111 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/394 variables, 100/211 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/394 variables, 0/211 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/394 variables, 0/211 constraints. Problems are: Problem set: 2 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 394/394 variables, and 211 constraints, problems are : Problem set: 2 solved, 1 unsolved in 1882 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 106/106 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5467ms problems are : Problem set: 2 solved, 1 unsolved
Parikh walk visited 0 properties in 103 ms.
Support contains 106 out of 106 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 106/106 places, 2188/2188 transitions.
Applied a total of 0 rules in 279 ms. Remains 106 /106 variables (removed 0) and now considering 2188/2188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 279 ms. Remains : 106/106 places, 2188/2188 transitions.
RANDOM walk for 40000 steps (228 resets) in 500 ms. (79 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (66 resets) in 14950 ms. (2 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1138054 steps, run timeout after 12001 ms. (steps per millisecond=94 ) properties seen :0 out of 1
Probabilistic random walk after 1138054 steps, saw 274241 distinct states, run finished after 12006 ms. (steps per millisecond=94 ) properties seen :0
[2026-05-22 23:36:41] [INFO ] Flow matrix only has 288 transitions (discarded 1900 similar events)
[2026-05-22 23:36:41] [INFO ] Invariant cache hit.
[2026-05-22 23:36:41] [INFO ] State equation strengthened by 100 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 288/394 variables, 106/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/394 variables, 100/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/394 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/394 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 394/394 variables, and 211 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1978 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 106/106 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 288/394 variables, 106/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :2212 after 2312
At refinement iteration 3 (INCLUDED_ONLY) 0/394 variables, 100/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/394 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/394 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 394/394 variables, and 211 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1729 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 106/106 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3731ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 80 ms.
Support contains 106 out of 106 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 106/106 places, 2188/2188 transitions.
Applied a total of 0 rules in 135 ms. Remains 106 /106 variables (removed 0) and now considering 2188/2188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 135 ms. Remains : 106/106 places, 2188/2188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 106/106 places, 2188/2188 transitions.
Applied a total of 0 rules in 146 ms. Remains 106 /106 variables (removed 0) and now considering 2188/2188 (removed 0) transitions.
[2026-05-22 23:36:45] [INFO ] Flow matrix only has 288 transitions (discarded 1900 similar events)
[2026-05-22 23:36:45] [INFO ] Invariant cache hit.
[2026-05-22 23:36:45] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-22 23:36:45] [INFO ] Flow matrix only has 288 transitions (discarded 1900 similar events)
[2026-05-22 23:36:45] [INFO ] Invariant cache hit.
[2026-05-22 23:36:45] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-22 23:36:45] [INFO ] Implicit Places using invariants and state equation in 167 ms returned []
Implicit Place search using SMT with State Equation took 195 ms to find 0 implicit places.
[2026-05-22 23:36:45] [INFO ] Redundant transitions in 106 ms returned []
Running 2185 sub problems to find dead transitions.
[2026-05-22 23:36:45] [INFO ] Flow matrix only has 288 transitions (discarded 1900 similar events)
[2026-05-22 23:36:45] [INFO ] Invariant cache hit.
[2026-05-22 23:36:45] [INFO ] State equation strengthened by 100 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2185 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 106/394 variables, and 6 constraints, problems are : Problem set: 0 solved, 2185 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 2185/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2185 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2185 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2185 unsolved
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :2312 after 2484
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 106/394 variables, and 6 constraints, problems are : Problem set: 0 solved, 2185 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 2043/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61727ms problems are : Problem set: 0 solved, 2185 unsolved
Search for dead transitions found 0 dead transitions in 61732ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62204 ms. Remains : 106/106 places, 2188/2188 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 1900 transitions
Reduce isomorphic transitions removed 1900 transitions.
Iterating post reduction 0 with 1900 rules applied. Total rules applied 1900 place count 106 transition count 288
Applied a total of 1900 rules in 11 ms. Remains 106 /106 variables (removed 0) and now considering 288/2188 (removed 1900) transitions.
Running SMT prover for 1 properties.
[2026-05-22 23:37:47] [INFO ] Invariant cache hit.
[2026-05-22 23:37:47] [INFO ] After 116ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-22 23:37:47] [INFO ] [Nat]Absence check using 5 positive place invariants in 3 ms returned sat
[2026-05-22 23:37:48] [INFO ] After 171ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 23:37:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 125 ms
TRAPS : Iteration 1
[2026-05-22 23:37:48] [INFO ] After 733ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 23:37:48] [INFO ] After 1063ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 23:37:48] [INFO ] Flatten gal took : 26 ms
[2026-05-22 23:37:48] [INFO ] Flatten gal took : 25 ms
[2026-05-22 23:37:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14864090894798891935.gal : 4 ms
[2026-05-22 23:37:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9783792898870908858.prop : 18 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14864090894798891935.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9783792898870908858.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality9783792898870908858.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :3 after 6
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :6 after 15
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :15 after 18
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :18 after 57
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :57 after 70
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :70 after 319
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :319 after 1508
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1508 after 10640
Detected timeout of ITS tools.
[2026-05-22 23:38:04] [INFO ] Flatten gal took : 24 ms
[2026-05-22 23:38:04] [INFO ] Applying decomposition
[2026-05-22 23:38:04] [INFO ] Flatten gal took : 24 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph9701752985288154520.txt' '-o' '/tmp/graph9701752985288154520.bin' '-w' '/tmp/graph9701752985288154520.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph9701752985288154520.bin' '-l' '-1' '-v' '-w' '/tmp/graph9701752985288154520.weights' '-q' '0' '-e' '0.001'
[2026-05-22 23:38:04] [INFO ] Decomposing Gal with order
[2026-05-22 23:38:04] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 23:38:04] [INFO ] Removed a total of 287 redundant transitions.
[2026-05-22 23:38:04] [INFO ] Flatten gal took : 206 ms
[2026-05-22 23:38:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 240 labels/synchronizations in 16 ms.
[2026-05-22 23:38:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17733827910509901164.gal : 9 ms
[2026-05-22 23:38:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2768837833575203767.prop : 41 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17733827910509901164.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2768837833575203767.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality2768837833575203767.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 18
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :18 after 294
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :294 after 2184
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2184 after 4284
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :4284 after 6363
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6363 after 14448
Invariant property BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-05 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 513 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,51452,0.77544,12596,137,2472,1541,12106,297,2390,336,29618,0
Total reachable state count : 51452

Verifying 1 reachability properties.
Invariant property BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-05 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-05,3520,1.3552,13520,56,696,1541,12106,10139,2390,1108,29618,0
Over-approximation ignoring read arcs solved 0 properties in 18736 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-22 23:38:06] [INFO ] Flatten gal took : 76 ms
[2026-05-22 23:38:06] [INFO ] Applying decomposition
[2026-05-22 23:38:06] [INFO ] Flatten gal took : 71 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph5322794749215838903.txt' '-o' '/tmp/graph5322794749215838903.bin' '-w' '/tmp/graph5322794749215838903.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph5322794749215838903.bin' '-l' '-1' '-v' '-w' '/tmp/graph5322794749215838903.weights' '-q' '0' '-e' '0.001'
[2026-05-22 23:38:06] [INFO ] Decomposing Gal with order
[2026-05-22 23:38:06] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 23:38:07] [INFO ] Removed a total of 4292 redundant transitions.
[2026-05-22 23:38:07] [INFO ] Flatten gal took : 645 ms
[2026-05-22 23:38:07] [INFO ] Fuse similar labels procedure discarded/fused a total of 393 labels/synchronizations in 29 ms.
[2026-05-22 23:38:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1365282424929720095.gal : 3 ms
[2026-05-22 23:38:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17982173908774158652.prop : 19 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1365282424929720095.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17982173908774158652.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality17982173908774158652.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :6220 after 6221
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :12490 after 14131
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :39196 after 40637
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :69642 after 73176
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :187304 after 189933
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :286692 after 301356
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :593442 after 618312
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.38519e+06 after 1.40128e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.61379e+06 after 2.63722e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :4.78405e+06 after 4.79644e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :7.41182e+06 after 7.42181e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :9.76546e+06 after 9.76548e+06
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,9.79234e+06,450.566,1384136,40983,21920,1.91566e+06,148747,2940,3.97439e+06,454,1.16858e+06,0
Total reachable state count : 9792342

Verifying 1 reachability properties.
Invariant property BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-05 is true.
FORMULA BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
BridgeAndVehicles-COL-V20P20N50-ReachabilityFireability-2024-05,0,453.269,1384912,1,0,1.91566e+06,148747,12698,3.97439e+06,997,1.16858e+06,112507
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 722872 ms.

BK_STOP 1779493541983

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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 ReachabilityFireability -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="BridgeAndVehicles-COL-V20P20N50"
export BK_EXAMINATION="ReachabilityFireability"
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 BridgeAndVehicles-COL-V20P20N50, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r034-tall-177946841700063"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V20P20N50.tgz
mv BridgeAndVehicles-COL-V20P20N50 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;