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-177946841700039.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-V20P10N50, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946841700039
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 6.7K Mar 5 08:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K Mar 5 08:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 5 08:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 5 08:27 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 07:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 07:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Mar 5 08:28 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 174K Mar 5 08:28 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K Mar 5 08:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K Mar 5 08:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 07:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:33 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-V20P10N50-ReachabilityFireability-2024-00
FORMULA_NAME BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-01
FORMULA_NAME BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-02
FORMULA_NAME BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-03
FORMULA_NAME BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-04
FORMULA_NAME BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-05
FORMULA_NAME BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-06
FORMULA_NAME BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-07
FORMULA_NAME BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-08
FORMULA_NAME BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-09
FORMULA_NAME BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-10
FORMULA_NAME BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-11
FORMULA_NAME BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-12
FORMULA_NAME BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-13
FORMULA_NAME BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-14
FORMULA_NAME BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779485820136

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-V20P10N50
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
ReachabilityFireability COL
Running Version 202604301425
[2026-05-22 21:37:01] [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 21:37:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 21:37:01] [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 21:37:01] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-22 21:37:01] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 557 ms
[2026-05-22 21:37:01] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 108 PT places and 90298.0 transition bindings in 18 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 17 ms.
Reduction of identical properties reduced properties to check from 16 to 12
Working with output stream class java.io.PrintStream
FORMULA BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-22 21:37:01] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 4 ms.
[2026-05-22 21:37:01] [INFO ] Skeletonized 10 HLPN properties in 0 ms.
All 10 properties of the HLPN use transition enablings in a way that makes the skeleton too coarse.
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 21:37:02] [INFO ] Unfolded HLPN to a Petri net with 108 places and 2228 transitions 17190 arcs in 65 ms.
[2026-05-22 21:37:02] [INFO ] Unfolded 10 HLPN properties in 2 ms.
[2026-05-22 21:37:03] [INFO ] Flatten gal took : 485 ms
[2026-05-22 21:37:03] [INFO ] Flatten gal took : 160 ms
[2026-05-22 21:37:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15767544155561457439.gal : 126 ms
[2026-05-22 21:37:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5276509423234340682.prop : 108 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/ReachabilityCardinality15767544155561457439.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5276509423234340682.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/ReachabilityCardinality5276509423234340682.prop.
RANDOM walk for 40000 steps (229 resets) in 7715 ms. (5 steps per ms) remains 6/10 properties
FORMULA BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (112 resets) in 4278 ms. (9 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (76 resets) in 5767 ms. (6 steps per ms) remains 6/6 properties
Reachability property BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-09 is true.
SDD proceeding with computation,9 properties remain. new max is 2
SDD size :1 after 6
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :6 after 12
BEST_FIRST walk for 40001 steps (93 resets) in 10052 ms. (3 steps per ms) remains 6/6 properties
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :12 after 22
BEST_FIRST walk for 40002 steps (100 resets) in 1029 ms. (38 steps per ms) remains 6/6 properties
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :22 after 40
BEST_FIRST walk for 40001 steps (108 resets) in 732 ms. (54 steps per ms) remains 6/6 properties
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :40 after 85
BEST_FIRST walk for 40003 steps (75 resets) in 3984 ms. (10 steps per ms) remains 6/6 properties
[2026-05-22 21:37:11] [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-2723782107665004494.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-387288888862202473.kers'
[2026-05-22 21:37:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2723782107665004494.kers, --Pflows, --basisKERS=/tmp/petrispot-output-387288888862202473.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 21:37:11] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-387288888862202473.kers
Total runtime 5 ms.
[2026-05-22 21:37:11] [INFO ] State equation strengthened by 102 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Problem BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-00 is UNSAT
FORMULA BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-00 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-01 is UNSAT
FORMULA BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-04 is UNSAT
FORMULA BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-04 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: 3 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 0/5 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 2/108 variables, 2/7 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/7 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 290/398 variables, 108/115 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/398 variables, 102/217 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/398 variables, 0/217 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/398 variables, 0/217 constraints. Problems are: Problem set: 3 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 398/398 variables, and 217 constraints, problems are : Problem set: 3 solved, 3 unsolved in 1296 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: 3 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 4/4 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 0/4 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 4/108 variables, 3/7 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/108 variables, 0/7 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 290/398 variables, 108/115 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/398 variables, 102/217 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/398 variables, 1/218 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/398 variables, 0/218 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/398 variables, 0/218 constraints. Problems are: Problem set: 3 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 398/398 variables, and 218 constraints, problems are : Problem set: 3 solved, 3 unsolved in 1732 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 3193ms problems are : Problem set: 3 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :85 after 924
Invariant property BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-08 does not hold.
Parikh walk visited 0 properties in 5379 ms.
Support contains 104 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.9 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 357 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 21:37:20] [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-961917559927457304.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9915564896991248492.kers'
[2026-05-22 21:37:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-961917559927457304.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9915564896991248492.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 21:37:20] [INFO ] Computed 5 invariants in 1 ms
Computed 5 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-9915564896991248492.kers
Total runtime 3 ms.
[2026-05-22 21:37:20] [INFO ] State equation strengthened by 102 read => feed constraints.
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :924 after 2164
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :2164 after 2204
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :2204 after 2252
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :2252 after 2352
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2225 unsolved
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :2352 after 2524
Reachability property BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-03 is true.
SDD proceeding with computation,7 properties remain. new max is 1024
SDD size :2524 after 3059
Error getting values : (error "Timeout of Z3 solver reached")
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 20062 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
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
SDD proceeding with computation,7 properties remain. new max is 2048
SDD size :3059 after 4013
Problem TDEAD1188 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 106/396 variables, and 7 constraints, problems are : Problem set: 1 solved, 2224 unsolved in 20058 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 42232ms problems are : Problem set: 1 solved, 2224 unsolved
Search for dead transitions found 1 dead transitions in 42249ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 1 transitions.
Starting structural reductions in REACHABILITY mode, iteration 1 : 106/108 places, 2227/2228 transitions.
Applied a total of 0 rules in 284 ms. Remains 106 /106 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42991 ms. Remains : 106/108 places, 2227/2228 transitions.
RANDOM walk for 40000 steps (228 resets) in 2026 ms. (19 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (100 resets) in 1043 ms. (38 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40000 steps (108 resets) in 468 ms. (85 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (74 resets) in 5250 ms. (7 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 536672 steps, run timeout after 6001 ms. (steps per millisecond=89 ) properties seen :0 out of 3
Probabilistic random walk after 536672 steps, saw 134356 distinct states, run finished after 6006 ms. (steps per millisecond=89 ) properties seen :0
[2026-05-22 21:38:12] [INFO ] Flow matrix only has 290 transitions (discarded 1937 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13963290162170135527.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1438945677424598032.kers'
[2026-05-22 21:38:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13963290162170135527.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1438945677424598032.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 21:38:12] [INFO ] Computed 5 invariants in 1 ms
Computed 5 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-1438945677424598032.kers
Total runtime 3 ms.
[2026-05-22 21:38:12] [INFO ] State equation strengthened by 102 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 2/106 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/106 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 290/396 variables, 106/111 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/396 variables, 102/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/396 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (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 743 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) 0/104 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 2/106 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/106 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 290/396 variables, 106/111 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/396 variables, 102/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/396 variables, 1/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/396 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (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 1733 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 2503ms problems are : Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,7 properties remain. new max is 4096
SDD size :4013 after 5186
Parikh walk visited 0 properties in 1868 ms.
Support contains 104 out of 106 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 106/106 places, 2227/2227 transitions.
Applied a total of 0 rules in 224 ms. Remains 106 /106 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 224 ms. Remains : 106/106 places, 2227/2227 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 106/106 places, 2227/2227 transitions.
Applied a total of 0 rules in 146 ms. Remains 106 /106 variables (removed 0) and now considering 2227/2227 (removed 0) transitions.
[2026-05-22 21:38:16] [INFO ] Flow matrix only has 290 transitions (discarded 1937 similar events)
[2026-05-22 21:38:16] [INFO ] Invariant cache hit.
[2026-05-22 21:38:16] [INFO ] Implicit Places using invariants in 52 ms returned []
[2026-05-22 21:38:16] [INFO ] Flow matrix only has 290 transitions (discarded 1937 similar events)
[2026-05-22 21:38:16] [INFO ] Invariant cache hit.
[2026-05-22 21:38:16] [INFO ] State equation strengthened by 102 read => feed constraints.
[2026-05-22 21:38:16] [INFO ] Implicit Places using invariants and state equation in 146 ms returned []
Implicit Place search using SMT with State Equation took 203 ms to find 0 implicit places.
[2026-05-22 21:38:17] [INFO ] Redundant transitions in 112 ms returned []
Running 2224 sub problems to find dead transitions.
[2026-05-22 21:38:17] [INFO ] Flow matrix only has 290 transitions (discarded 1937 similar events)
[2026-05-22 21:38:17] [INFO ] Invariant cache hit.
[2026-05-22 21:38:17] [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, 2224 unsolved
Problem TDEAD1238 is UNSAT
Problem TDEAD1289 is UNSAT
Problem TDEAD1340 is UNSAT
Problem TDEAD1391 is UNSAT
Problem TDEAD1442 is UNSAT
Problem TDEAD1493 is UNSAT
Problem TDEAD1544 is UNSAT
Problem TDEAD1595 is UNSAT
Problem TDEAD1646 is UNSAT
Problem TDEAD1697 is UNSAT
SDD proceeding with computation,7 properties remain. new max is 8192
SDD size :5186 after 7406
Problem TDEAD1748 is UNSAT
Problem TDEAD1799 is UNSAT
Problem TDEAD1850 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 106/396 variables, and 7 constraints, problems are : Problem set: 13 solved, 2211 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2224/142 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 13 solved, 2211 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/106 variables, 5/5 constraints. Problems are: Problem set: 13 solved, 2211 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 TDEAD1901 is UNSAT
Problem TDEAD1952 is UNSAT
Problem TDEAD2003 is UNSAT
Problem TDEAD2054 is UNSAT
Problem TDEAD2105 is UNSAT
Problem TDEAD2156 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/106 variables, 2/7 constraints. Problems are: Problem set: 39 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: 39 solved, 2185 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/106 constraints, ReadFeed: 0/102 constraints, PredecessorRefiner: 2069/142 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62049ms problems are : Problem set: 39 solved, 2185 unsolved
Search for dead transitions found 39 dead transitions in 62054ms
Found 39 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 39 transitions
Dead transitions reduction (with SMT) removed 39 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 106/106 places, 2188/2227 transitions.
Applied a total of 0 rules in 141 ms. Remains 106 /106 variables (removed 0) and now considering 2188/2188 (removed 0) transitions.
[2026-05-22 21:39:19] [INFO ] Redundant transitions in 96 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 62773 ms. Remains : 106/106 places, 2188/2227 transitions.
RANDOM walk for 40001 steps (228 resets) in 698 ms. (57 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (99 resets) in 538 ms. (74 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (108 resets) in 303 ms. (131 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (75 resets) in 3508 ms. (11 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 268061 steps, run timeout after 3001 ms. (steps per millisecond=89 ) properties seen :0 out of 3
Probabilistic random walk after 268061 steps, saw 70040 distinct states, run finished after 3002 ms. (steps per millisecond=89 ) properties seen :0
[2026-05-22 21:39:23] [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-13213232330920053596.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12944926610172911496.kers'
[2026-05-22 21:39:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13213232330920053596.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12944926610172911496.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 21:39:23] [INFO ] Computed 5 invariants in 1 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12944926610172911496.kers
Total runtime 1 ms.
[2026-05-22 21:39:23] [INFO ] State equation strengthened by 100 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 2/106 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/106 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-06 is UNSAT
FORMULA BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-15 FALSE TECHNIQUES SMT_REFINEMENT
FORMULA BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-06 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 4 (OVERLAPS) 288/394 variables, 106/111 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/394 variables, 100/211 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/394 variables, 0/211 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/394 variables, 0/211 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 394/394 variables, and 211 constraints, problems are : Problem set: 1 solved, 2 unsolved in 1242 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: 1 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 2/106 variables, 1/5 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/106 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 288/394 variables, 106/111 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/394 variables, 100/211 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/394 variables, 0/211 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/394 variables, 0/211 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 394/394 variables, and 211 constraints, problems are : Problem set: 1 solved, 2 unsolved in 1310 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 106/106 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2571ms problems are : Problem set: 1 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 88 ms.
Support contains 104 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 146 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 146 ms. Remains : 106/106 places, 2188/2188 transitions.
RANDOM walk for 40000 steps (228 resets) in 641 ms. (62 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (100 resets) in 506 ms. (78 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (75 resets) in 3861 ms. (10 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 259234 steps, run timeout after 3001 ms. (steps per millisecond=86 ) properties seen :0 out of 2
Probabilistic random walk after 259234 steps, saw 68153 distinct states, run finished after 3001 ms. (steps per millisecond=86 ) properties seen :0
[2026-05-22 21:39:31] [INFO ] Flow matrix only has 288 transitions (discarded 1900 similar events)
[2026-05-22 21:39:31] [INFO ] Invariant cache hit.
[2026-05-22 21:39:31] [INFO ] State equation strengthened by 100 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 2/106 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/106 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 288/394 variables, 106/111 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/394 variables, 100/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/394 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/394 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 394/394 variables, and 211 constraints, problems are : Problem set: 0 solved, 2 unsolved in 607 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 106/106 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/104 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/104 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 2/106 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/106 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 288/394 variables, 106/111 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/394 variables, 100/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/394 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/394 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 394/394 variables, and 211 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1264 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 106/106 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1884ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 99 ms.
Support contains 104 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 161 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 162 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 160 ms. Remains 106 /106 variables (removed 0) and now considering 2188/2188 (removed 0) transitions.
[2026-05-22 21:39:33] [INFO ] Flow matrix only has 288 transitions (discarded 1900 similar events)
[2026-05-22 21:39:33] [INFO ] Invariant cache hit.
[2026-05-22 21:39:33] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-22 21:39:33] [INFO ] Flow matrix only has 288 transitions (discarded 1900 similar events)
[2026-05-22 21:39:33] [INFO ] Invariant cache hit.
[2026-05-22 21:39:33] [INFO ] State equation strengthened by 100 read => feed constraints.
[2026-05-22 21:39:33] [INFO ] Implicit Places using invariants and state equation in 121 ms returned []
Implicit Place search using SMT with State Equation took 161 ms to find 0 implicit places.
[2026-05-22 21:39:33] [INFO ] Redundant transitions in 44 ms returned []
Running 2185 sub problems to find dead transitions.
[2026-05-22 21:39:33] [INFO ] Flow matrix only has 288 transitions (discarded 1900 similar events)
[2026-05-22 21:39:33] [INFO ] Invariant cache hit.
[2026-05-22 21:39:33] [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
SDD proceeding with computation,7 properties remain. new max is 16384
SDD size :7406 after 11556
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 30047 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
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 30041 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 62012ms problems are : Problem set: 0 solved, 2185 unsolved
Search for dead transitions found 0 dead transitions in 62019ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62396 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 12 ms. Remains 106 /106 variables (removed 0) and now considering 288/2188 (removed 1900) transitions.
Running SMT prover for 2 properties.
[2026-05-22 21:40:35] [INFO ] Invariant cache hit.
[2026-05-22 21:40:35] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2026-05-22 21:40:35] [INFO ] After 86ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-22 21:40:35] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-22 21:40:36] [INFO ] After 132ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-22 21:40:36] [INFO ] After 189ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-22 21:40:36] [INFO ] After 346ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-22 21:40:36] [INFO ] Flatten gal took : 24 ms
[2026-05-22 21:40:36] [INFO ] Flatten gal took : 17 ms
[2026-05-22 21:40:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10577096283378966231.gal : 3 ms
[2026-05-22 21:40:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10292255428912446750.prop : 4 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/ReachabilityCardinality10577096283378966231.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10292255428912446750.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality10292255428912446750.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 15
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :15 after 18
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :18 after 57
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :57 after 70
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :70 after 319
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :319 after 1508
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1508 after 10340
Detected timeout of ITS tools.
[2026-05-22 21:40:51] [INFO ] Flatten gal took : 16 ms
[2026-05-22 21:40:51] [INFO ] Applying decomposition
[2026-05-22 21:40:51] [INFO ] Flatten gal took : 16 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/graph16964000128662578190.txt' '-o' '/tmp/graph16964000128662578190.bin' '-w' '/tmp/graph16964000128662578190.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph16964000128662578190.bin' '-l' '-1' '-v' '-w' '/tmp/graph16964000128662578190.weights' '-q' '0' '-e' '0.001'
[2026-05-22 21:40:51] [INFO ] Decomposing Gal with order
[2026-05-22 21:40:51] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 21:40:51] [INFO ] Removed a total of 287 redundant transitions.
[2026-05-22 21:40:51] [INFO ] Flatten gal took : 104 ms
[2026-05-22 21:40:51] [INFO ] Fuse similar labels procedure discarded/fused a total of 204 labels/synchronizations in 14 ms.
[2026-05-22 21:40:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality60007434830542806.gal : 4 ms
[2026-05-22 21:40:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality149463772122604712.prop : 16 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/ReachabilityCardinality60007434830542806.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality149463772122604712.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 ...304
Loading property file /tmp/ReachabilityCardinality149463772122604712.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 18
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :18 after 294
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :294 after 2583
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :2583 after 3759
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3759 after 7392
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :7392 after 29043
Reachability property BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-12 is true.
Reachability property BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-05 is true.
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,514470,14.9156,27252,185,2683,13056,55647,311,17435,335,159075,0
Total reachable state count : 514470

Verifying 2 reachability properties.
Reachability property BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-05 is true.

ITS tools runner thread asked to quit. Dying gracefully.
Over-approximation ignoring read arcs solved 0 properties in 31160 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-22 21:41:07] [INFO ] Flatten gal took : 55 ms
[2026-05-22 21:41:07] [INFO ] Applying decomposition
[2026-05-22 21:41:07] [INFO ] Flatten gal took : 57 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/graph11742685710120338592.txt' '-o' '/tmp/graph11742685710120338592.bin' '-w' '/tmp/graph11742685710120338592.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph11742685710120338592.bin' '-l' '-1' '-v' '-w' '/tmp/graph11742685710120338592.weights' '-q' '0' '-e' '0.001'
[2026-05-22 21:41:07] [INFO ] Decomposing Gal with order
[2026-05-22 21:41:07] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 21:41:08] [INFO ] Removed a total of 4292 redundant transitions.
[2026-05-22 21:41:08] [INFO ] Flatten gal took : 565 ms
[2026-05-22 21:41:08] [INFO ] Fuse similar labels procedure discarded/fused a total of 393 labels/synchronizations in 33 ms.
[2026-05-22 21:41:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9005273595258356505.gal : 2 ms
[2026-05-22 21:41:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9746111918701956194.prop : 4 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/ReachabilityCardinality9005273595258356505.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9746111918701956194.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 ...307
Loading property file /tmp/ReachabilityCardinality9746111918701956194.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :164 after 722
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :722 after 1976
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :1976 after 4764
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :4764 after 9852
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :9852 after 19007
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :19007 after 34495
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :34495 after 60020
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :60020 after 98877
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :155938 after 236204
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :348654 after 496746
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :692490 after 764634
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :940491 after 1.02958e+06
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :1.24966e+06 after 1.61761e+06
Detected timeout of ITS tools.
[2026-05-22 22:11:13] [INFO ] Flatten gal took : 402 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin7942931808517210467
[2026-05-22 22:11:13] [INFO ] Too many transitions (2188) to apply POR reductions. Disabling POR matrices.
[2026-05-22 22:11:13] [INFO ] Applying decomposition
[2026-05-22 22:11:14] [INFO ] Built C files in 598ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7942931808517210467
[2026-05-22 22:11:14] [INFO ] Flatten gal took : 512 ms
Running compilation step : cd /tmp/ltsmin7942931808517210467;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '360' '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'
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/graph2896860992859084851.txt' '-o' '/tmp/graph2896860992859084851.bin' '-w' '/tmp/graph2896860992859084851.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph2896860992859084851.bin' '-l' '-1' '-v' '-w' '/tmp/graph2896860992859084851.weights' '-q' '0' '-e' '0.001'
[2026-05-22 22:11:16] [INFO ] Decomposing Gal with order
[2026-05-22 22:11:16] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 22:11:20] [INFO ] Removed a total of 4213 redundant transitions.
[2026-05-22 22:11:20] [INFO ] Flatten gal took : 3273 ms
[2026-05-22 22:11:20] [INFO ] Fuse similar labels procedure discarded/fused a total of 391 labels/synchronizations in 63 ms.
[2026-05-22 22:11:20] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability14602265527873965583.gal : 4 ms
Compilation finished in 6800 ms.
Running link step : cd /tmp/ltsmin7942931808517210467;'gcc' '-shared' '-o' 'gal.so' 'model.o'
[2026-05-22 22:11:21] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability1255292596950517168.prop : 130 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/ReachabilityFireability14602265527873965583.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability1255292596950517168.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/ReachabilityFireability1255292596950517168.prop.
Link finished in 61 ms.
Running LTSmin : cd /tmp/ltsmin7942931808517210467;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '-i' 'BridgeAndVehiclesCOLV20P10N50ReachabilityFireability202405==true'
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :4137 after 4241
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :16973 after 17769
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :45106 after 49658
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,9.08086e+06,154.659,564992,5147,4223,365512,67952,1753,2.8712e+06,458,938380,0
Total reachable state count : 9080862

Verifying 2 reachability properties.
Reachability property BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-05 does not hold.
FORMULA BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
No reachable states exhibit your property : BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-05

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-V20P10N50-ReachabilityFireability-2024-05,0,154.991,564992,1,0,365512,67952,2411,2.8712e+06,626,938380,8473
Reachability property BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-12 does not hold.
FORMULA BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-12 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
No reachable states exhibit your property : BridgeAndVehicles-COL-V20P10N50-ReachabilityFireability-2024-12

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-V20P10N50-ReachabilityFireability-2024-12,0,161.086,564992,1,0,365512,67952,8062,2.8712e+06,789,938380,2547710
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Total runtime 2221034 ms.

BK_STOP 1779488042589

--------------------
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-V20P10N50"
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-V20P10N50, 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-177946841700039"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V20P10N50.tgz
mv BridgeAndVehicles-COL-V20P10N50 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 ;