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-177946841800183.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-PT-V20P10N10, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946841800183
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.3M
-rw-r--r-- 1 mcc users 12K Mar 5 08:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Mar 5 08:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 55K Mar 5 08:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 233K Mar 5 08:21 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 7.0K Mar 15 07:32 LTLCardinality.txt
-rw-r--r-- 1 mcc users 36K Mar 15 07:32 LTLCardinality.xml
-rw-r--r-- 1 mcc users 44K Mar 15 07:32 LTLFireability.txt
-rw-r--r-- 1 mcc users 134K Mar 15 07:32 LTLFireability.xml
-rw-r--r-- 1 mcc users 19K Mar 5 08:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K Mar 5 08:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 207K Mar 5 08:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 855K Mar 5 08:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.0K Mar 15 07:32 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.2K Mar 15 07:32 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 434K 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-PT-V20P10N10-ReachabilityFireability-2024-00
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-01
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-02
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-03
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-04
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-05
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-06
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-07
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-08
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-09
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-10
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-11
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-12
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-13
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-14
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779533038364

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-PT-V20P10N10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 10:43:59] [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]
[2026-05-23 10:43:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 10:43:59] [INFO ] Load time of PNML (sax parser for PT used): 99 ms
[2026-05-23 10:43:59] [INFO ] Transformed 68 places.
[2026-05-23 10:43:59] [INFO ] Transformed 548 transitions.
[2026-05-23 10:43:59] [INFO ] Parsed PT model containing 68 places and 548 transitions and 4070 arcs in 193 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 38 ms.
Working with output stream class java.io.PrintStream
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-23 10:44:00] [INFO ] Flatten gal took : 277 ms
[2026-05-23 10:44:00] [INFO ] Flatten gal took : 115 ms
[2026-05-23 10:44:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12115740074360274721.gal : 48 ms
RANDOM walk for 40000 steps (224 resets) in 4031 ms. (9 steps per ms) remains 11/15 properties
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-23 10:44:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14890298672156219521.prop : 73 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/ReachabilityCardinality12115740074360274721.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14890298672156219521.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/ReachabilityCardinality14890298672156219521.prop.
SDD proceeding with computation,15 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,15 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,15 properties remain. new max is 16
SDD size :6 after 19
SDD proceeding with computation,15 properties remain. new max is 32
SDD size :19 after 42
BEST_FIRST walk for 40002 steps (91 resets) in 7742 ms. (5 steps per ms) remains 11/11 properties
SDD proceeding with computation,15 properties remain. new max is 64
SDD size :42 after 132
BEST_FIRST walk for 40003 steps (89 resets) in 6624 ms. (6 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (76 resets) in 1545 ms. (25 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (87 resets) in 1043 ms. (38 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (92 resets) in 668 ms. (59 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (91 resets) in 708 ms. (56 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (96 resets) in 744 ms. (53 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (88 resets) in 859 ms. (46 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (85 resets) in 849 ms. (47 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (88 resets) in 941 ms. (42 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (83 resets) in 704 ms. (56 steps per ms) remains 11/11 properties
[2026-05-23 10:44:07] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5414046280120869823.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12916100730939767646.kers'
[2026-05-23 10:44:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5414046280120869823.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12916100730939767646.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 130 rows 68 cols 630 entries
Finished phase 1 with 21 SingleSign rule and 40 generalized
[2026-05-23 10:44:07] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-12916100730939767646.kers
Total runtime 3 ms.
[2026-05-23 10:44:07] [INFO ] State equation strengthened by 22 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-01 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-03 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-03 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-06 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-06 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-08 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-08 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-09 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-09 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-10 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-10 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-11 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-11 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-13 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-15 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-15 FALSE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 5/5 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/5 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 2/68 variables, 2/7 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 0/7 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 130/198 variables, 68/75 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 22/97 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 0/97 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/198 variables, 0/97 constraints. Problems are: Problem set: 9 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 198/198 variables, and 97 constraints, problems are : Problem set: 9 solved, 2 unsolved in 421 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 68/68 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 9 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 1/1 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 0/1 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 18/68 variables, 6/7 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 0/7 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 130/198 variables, 68/75 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 22/97 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 1/98 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/198 variables, 0/98 constraints. Problems are: Problem set: 9 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/198 variables, 0/98 constraints. Problems are: Problem set: 9 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 198/198 variables, and 98 constraints, problems are : Problem set: 9 solved, 2 unsolved in 800 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 68/68 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1352ms problems are : Problem set: 9 solved, 2 unsolved
Parikh walk visited 0 properties in 238 ms.
Support contains 50 out of 68 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 548/548 transitions.
Graph (complete) has 562 edges and 68 vertex of which 66 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.3 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 65 transition count 547
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 65 transition count 547
Applied a total of 3 rules in 70 ms. Remains 65 /68 variables (removed 3) and now considering 547/548 (removed 1) transitions.
Running 544 sub problems to find dead transitions.
[2026-05-23 10:44:09] [INFO ] Flow matrix only has 129 transitions (discarded 418 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7530201994378249113.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5821633567425423397.kers'
[2026-05-23 10:44:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7530201994378249113.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5821633567425423397.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 129 rows 64 cols 585 entries
Finished phase 1 with 60 SingleSign rule and 0 generalized
[2026-05-23 10:44:09] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5821633567425423397.kers
Total runtime 2 ms.
[2026-05-23 10:44:09] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 544 unsolved
Problem TDEAD307 is UNSAT
Problem TDEAD308 is UNSAT
Problem TDEAD309 is UNSAT
Problem TDEAD310 is UNSAT
Problem TDEAD311 is UNSAT
Problem TDEAD312 is UNSAT
Problem TDEAD313 is UNSAT
Problem TDEAD314 is UNSAT
Problem TDEAD315 is UNSAT
Problem TDEAD316 is UNSAT
Problem TDEAD317 is UNSAT
Problem TDEAD318 is UNSAT
Problem TDEAD319 is UNSAT
Problem TDEAD320 is UNSAT
Problem TDEAD321 is UNSAT
Problem TDEAD322 is UNSAT
Problem TDEAD323 is UNSAT
Problem TDEAD324 is UNSAT
Problem TDEAD325 is UNSAT
Problem TDEAD326 is UNSAT
Problem TDEAD87 is UNSAT
Problem TDEAD98 is UNSAT
Problem TDEAD109 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD131 is UNSAT
Problem TDEAD142 is UNSAT
Problem TDEAD153 is UNSAT
Problem TDEAD164 is UNSAT
Problem TDEAD175 is UNSAT
Problem TDEAD186 is UNSAT
Problem TDEAD197 is UNSAT
Problem TDEAD208 is UNSAT
Problem TDEAD219 is UNSAT
Problem TDEAD230 is UNSAT
Problem TDEAD241 is UNSAT
Problem TDEAD252 is UNSAT
Problem TDEAD263 is UNSAT
Problem TDEAD274 is UNSAT
Problem TDEAD285 is UNSAT
Problem TDEAD296 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 2/7 constraints. Problems are: Problem set: 40 solved, 504 unsolved
Reachability property BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-00 is true.
SDD proceeding with computation,14 properties remain. new max is 64
SDD size :132 after 706
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 40 solved, 504 unsolved
Problem TDEAD20 is UNSAT
Problem TDEAD64 is UNSAT
At refinement iteration 3 (OVERLAPS) 129/194 variables, 65/72 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 22/94 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/94 constraints. Problems are: Problem set: 42 solved, 502 unsolved
SDD proceeding with computation,14 properties remain. new max is 128
SDD size :706 after 708
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/94 constraints. Problems are: Problem set: 42 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 94 constraints, problems are : Problem set: 42 solved, 502 unsolved in 17042 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 65/65 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 544/544 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 42 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 5/5 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 2/7 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 129/194 variables, 65/72 constraints. Problems are: Problem set: 42 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 22/94 constraints. Problems are: Problem set: 42 solved, 502 unsolved
SDD proceeding with computation,14 properties remain. new max is 256
SDD size :708 after 711
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 502/596 constraints. Problems are: Problem set: 42 solved, 502 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 194/194 variables, and 596 constraints, problems are : Problem set: 42 solved, 502 unsolved in 20026 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 65/65 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 502/544 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 37683ms problems are : Problem set: 42 solved, 502 unsolved
Search for dead transitions found 42 dead transitions in 37688ms
Found 42 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 42 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 42 transitions.
Starting structural reductions in REACHABILITY mode, iteration 1 : 65/68 places, 505/548 transitions.
Applied a total of 0 rules in 37 ms. Remains 65 /65 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37830 ms. Remains : 65/68 places, 505/548 transitions.
RANDOM walk for 40000 steps (224 resets) in 473 ms. (84 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (86 resets) in 150 ms. (264 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (88 resets) in 344 ms. (115 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 761848 steps, run timeout after 3001 ms. (steps per millisecond=253 ) properties seen :0 out of 2
Probabilistic random walk after 761848 steps, saw 185507 distinct states, run finished after 3006 ms. (steps per millisecond=253 ) properties seen :0
[2026-05-23 10:44:50] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4641391018364245958.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16892981517558443935.kers'
[2026-05-23 10:44:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4641391018364245958.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16892981517558443935.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 125 rows 64 cols 573 entries
Finished phase 1 with 57 SingleSign rule and 1 generalized
[2026-05-23 10:44:50] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16892981517558443935.kers
Total runtime 1 ms.
[2026-05-23 10:44:50] [INFO ] State equation strengthened by 20 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 15/65 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/190 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 92 constraints, problems are : Problem set: 0 solved, 2 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/1 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) 0/50 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 15/65 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 125/190 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/190 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 93 constraints, problems are : Problem set: 0 solved, 2 unsolved in 484 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 621ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 387 ms.
Support contains 50 out of 65 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 505/505 transitions.
Applied a total of 0 rules in 21 ms. Remains 65 /65 variables (removed 0) and now considering 505/505 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 65/65 places, 505/505 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 505/505 transitions.
Applied a total of 0 rules in 18 ms. Remains 65 /65 variables (removed 0) and now considering 505/505 (removed 0) transitions.
[2026-05-23 10:44:51] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2026-05-23 10:44:51] [INFO ] Invariant cache hit.
[2026-05-23 10:44:51] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-23 10:44:51] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2026-05-23 10:44:51] [INFO ] Invariant cache hit.
[2026-05-23 10:44:51] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-23 10:44:51] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 109 ms to find 0 implicit places.
[2026-05-23 10:44:51] [INFO ] Redundant transitions in 30 ms returned []
Running 502 sub problems to find dead transitions.
[2026-05-23 10:44:51] [INFO ] Flow matrix only has 125 transitions (discarded 380 similar events)
[2026-05-23 10:44:51] [INFO ] Invariant cache hit.
[2026-05-23 10:44:51] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
SDD proceeding with computation,14 properties remain. new max is 512
SDD size :711 after 1606
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/190 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (OVERLAPS) 0/190 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 94 constraints, problems are : Problem set: 0 solved, 502 unsolved in 19473 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (OVERLAPS) 125/190 variables, 65/74 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 502 unsolved
SDD proceeding with computation,14 properties remain. new max is 1024
SDD size :1606 after 1656
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 502/596 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 596 constraints, problems are : Problem set: 0 solved, 502 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 49878ms problems are : Problem set: 0 solved, 502 unsolved
Search for dead transitions found 0 dead transitions in 49880ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50044 ms. Remains : 65/65 places, 505/505 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 380 transitions
Reduce isomorphic transitions removed 380 transitions.
Iterating post reduction 0 with 380 rules applied. Total rules applied 380 place count 65 transition count 125
Applied a total of 380 rules in 11 ms. Remains 65 /65 variables (removed 0) and now considering 125/505 (removed 380) transitions.
Running SMT prover for 2 properties.
[2026-05-23 10:45:41] [INFO ] Invariant cache hit.
[2026-05-23 10:45:41] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2026-05-23 10:45:41] [INFO ] After 175ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-23 10:45:41] [INFO ] [Nat]Absence check using 7 positive place invariants in 1 ms returned sat
[2026-05-23 10:45:41] [INFO ] After 71ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-23 10:45:41] [INFO ] After 144ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-23 10:45:41] [INFO ] After 252ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-23 10:45:41] [INFO ] Flatten gal took : 26 ms
[2026-05-23 10:45:41] [INFO ] Flatten gal took : 9 ms
[2026-05-23 10:45:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16489860515560475382.gal : 2 ms
[2026-05-23 10:45:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16036077848424573153.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/ReachabilityCardinality16489860515560475382.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16036077848424573153.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/ReachabilityCardinality16036077848424573153.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 18
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :18 after 56
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :56 after 155
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :155 after 882
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :882 after 7920
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :7920 after 66984
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :66984 after 79353
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :79353 after 97253
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :97253 after 214962
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :214962 after 849436
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :849436 after 5.93812e+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,1.54982e+07,14.9399,312872,2,216136,18,836444,8,0,469,801745,0
Total reachable state count : 15498186

Verifying 2 reachability properties.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:188)
at java.base/java.io.BufferedInputStream.read1(BufferedInputStream.java:343)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:420)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
Detected timeout of ITS tools.
[2026-05-23 10:45:57] [INFO ] Flatten gal took : 9 ms
[2026-05-23 10:45:57] [INFO ] Applying decomposition
[2026-05-23 10:45:57] [INFO ] Flatten gal took : 25 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/graph4725594223911708406.txt' '-o' '/tmp/graph4725594223911708406.bin' '-w' '/tmp/graph4725594223911708406.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph4725594223911708406.bin' '-l' '-1' '-v' '-w' '/tmp/graph4725594223911708406.weights' '-q' '0' '-e' '0.001'
[2026-05-23 10:45:57] [INFO ] Decomposing Gal with order
[2026-05-23 10:45:57] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 10:45:57] [INFO ] Removed a total of 135 redundant transitions.
[2026-05-23 10:45:57] [INFO ] Flatten gal took : 410 ms
[2026-05-23 10:45:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 59 labels/synchronizations in 31 ms.
[2026-05-23 10:45:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10370775984418012443.gal : 2 ms
[2026-05-23 10:45:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2652158298916924182.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10370775984418012443.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2652158298916924182.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/ReachabilityCardinality2652158298916924182.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 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 4382
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :4382 after 13926
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,1.54982e+07,0.58822,11716,190,796,4271,10845,314,8951,236,63854,0
Total reachable state count : 15498186

Verifying 2 reachability properties.
Reachability property BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-12 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-12,1,0.604893,11972,14,57,4271,10845,321,8951,241,63854,54
Invariant property BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-14 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-PT-V20P10N10-ReachabilityFireability-2024-14,22,0.660844,11972,14,67,4271,10845,662,8951,342,63854,4739
Over-approximation ignoring read arcs solved 0 properties in 17140 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-23 10:45:58] [INFO ] Flatten gal took : 42 ms
[2026-05-23 10:45:58] [INFO ] Applying decomposition
[2026-05-23 10:45:58] [INFO ] Flatten gal took : 39 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/graph6935359426911606739.txt' '-o' '/tmp/graph6935359426911606739.bin' '-w' '/tmp/graph6935359426911606739.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph6935359426911606739.bin' '-l' '-1' '-v' '-w' '/tmp/graph6935359426911606739.weights' '-q' '0' '-e' '0.001'
[2026-05-23 10:45:58] [INFO ] Decomposing Gal with order
[2026-05-23 10:45:58] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 10:45:59] [INFO ] Removed a total of 1106 redundant transitions.
[2026-05-23 10:45:59] [INFO ] Flatten gal took : 224 ms
[2026-05-23 10:45:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 220 labels/synchronizations in 20 ms.
[2026-05-23 10:45:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8540111432076954120.gal : 2 ms
[2026-05-23 10:45:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10684839592661743080.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8540111432076954120.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10684839592661743080.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/ReachabilityCardinality10684839592661743080.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :84 after 85
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :85 after 105
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :105 after 1802
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :1802 after 5958
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :5958 after 14722
Reachability property BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-12 is true.
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :14722 after 29564
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :29564 after 53337
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :53337 after 90799
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :227184 after 228043
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :480765 after 483686
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.12557e+06 after 1.12626e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.73231e+06 after 2.07333e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :2.07333e+06 after 2.08355e+06
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :3.14826e+06 after 3.15293e+06
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.17222e+06 after 4.18216e+06
Detected timeout of ITS tools.
[2026-05-23 11:15:59] [INFO ] Flatten gal took : 18 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin16109490579744212688
[2026-05-23 11:15:59] [INFO ] Computing symmetric may disable matrix : 505 transitions.
[2026-05-23 11:15:59] [INFO ] Applying decomposition
[2026-05-23 11:15:59] [INFO ] Computation of Complete disable matrix. took 43 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 11:15:59] [INFO ] Flatten gal took : 51 ms
[2026-05-23 11:15:59] [INFO ] Computing symmetric may enable matrix : 505 transitions.
[2026-05-23 11:15:59] [INFO ] Computation of Complete enable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
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/graph5485477279506156392.txt' '-o' '/tmp/graph5485477279506156392.bin' '-w' '/tmp/graph5485477279506156392.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph5485477279506156392.bin' '-l' '-1' '-v' '-w' '/tmp/graph5485477279506156392.weights' '-q' '0' '-e' '0.001'
[2026-05-23 11:15:59] [INFO ] Decomposing Gal with order
[2026-05-23 11:15:59] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 11:15:59] [INFO ] Computing Do-Not-Accords matrix : 505 transitions.
[2026-05-23 11:15:59] [INFO ] Computation of Completed DNA matrix. took 24 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 11:15:59] [INFO ] Built C files in 375ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16109490579744212688
[2026-05-23 11:15:59] [INFO ] Removed a total of 1080 redundant transitions.
[2026-05-23 11:15:59] [INFO ] Flatten gal took : 187 ms
[2026-05-23 11:15:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 210 labels/synchronizations in 26 ms.
[2026-05-23 11:15:59] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability7195598383476911671.gal : 3 ms
[2026-05-23 11:15:59] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability16306522296514330624.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability7195598383476911671.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability16306522296514330624.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/ReachabilityFireability16306522296514330624.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6 after 11
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :11 after 14
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :14 after 14
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :14 after 14
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :1068 after 1808
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :3454 after 4275
Running compilation step : cd /tmp/ltsmin16109490579744212688;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '720' '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'
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :9097 after 10849
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :38632 after 41679
Compilation finished in 2274 ms.
Running link step : cd /tmp/ltsmin16109490579744212688;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 74 ms.
Running LTSmin : cd /tmp/ltsmin16109490579744212688;'/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' 'BridgeAndVehiclesPTV20P10N10ReachabilityFireability202414==true'
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :260865 after 276337
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :3.49145e+06 after 3.50567e+06
Invariant property BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-14 does not hold.
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 4097 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,6.12788e+06,33.4058,512464,6841,6153,604871,106908,204,3.43545e+06,210,1.08189e+06,0
Total reachable state count : 6127877

Verifying 1 reachability properties.
Invariant property BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2024-14 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-PT-V20P10N10-ReachabilityFireability-2024-14,2,34.7783,512464,16,51,604871,106908,872,3.43545e+06,374,1.08189e+06,0
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Total runtime 1955509 ms.

BK_STOP 1779534995095

--------------------
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-PT-V20P10N10"
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-PT-V20P10N10, 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-177946841800183"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V20P10N10.tgz
mv BridgeAndVehicles-PT-V20P10N10 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 ;