Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r016-smll-174853764900343.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
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 r016-smll-174853764900343
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.5M
-rw-r--r-- 1 mcc users 11K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 31K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 118K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 8.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 42K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 33K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 108K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 26K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 176K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 273K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 1.1M May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 10 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 434K May 29 14:32 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-2025-00
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-01
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-02
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-03
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-04
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-05
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-06
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-07
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-08
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-09
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-10
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-11
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-12
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-13
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-14
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748932918594

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 202505121319
[2025-06-03 06:42:00] [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]
[2025-06-03 06:42:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 06:42:01] [INFO ] Load time of PNML (sax parser for PT used): 217 ms
[2025-06-03 06:42:01] [INFO ] Transformed 68 places.
[2025-06-03 06:42:01] [INFO ] Transformed 548 transitions.
[2025-06-03 06:42:01] [INFO ] Parsed PT model containing 68 places and 548 transitions and 4070 arcs in 415 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 118 ms.
Working with output stream class java.io.PrintStream
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (224 resets) in 3620 ms. (11 steps per ms) remains 12/15 properties
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-06-03 06:42:03] [INFO ] Flatten gal took : 827 ms
[2025-06-03 06:42:03] [INFO ] Flatten gal took : 421 ms
[2025-06-03 06:42:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5215198799596937980.gal : 150 ms
[2025-06-03 06:42:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2644223456764368278.prop : 305 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5215198799596937980.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2644223456764368278.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality2644223456764368278.prop.
BEST_FIRST walk for 40003 steps (88 resets) in 10676 ms. (3 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (100 resets) in 3352 ms. (11 steps per ms) remains 12/12 properties
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :6 after 19
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :19 after 42
BEST_FIRST walk for 40003 steps (107 resets) in 5133 ms. (7 steps per ms) remains 12/12 properties
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :42 after 132
BEST_FIRST walk for 40004 steps (108 resets) in 2344 ms. (17 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (84 resets) in 1734 ms. (23 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (77 resets) in 378 ms. (105 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40001 steps (84 resets) in 288 ms. (138 steps per ms) remains 11/12 properties
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40001 steps (88 resets) in 463 ms. (86 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (85 resets) in 318 ms. (125 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (80 resets) in 304 ms. (131 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (88 resets) in 500 ms. (79 steps per ms) remains 10/11 properties
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-13 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2025-06-03 06:42:10] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
// Phase 1: matrix 130 rows 68 cols
[2025-06-03 06:42:10] [INFO ] Computed 7 invariants in 25 ms
[2025-06-03 06:42:10] [INFO ] State equation strengthened by 22 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-02 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-02 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-03 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-03 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-05 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-05 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-06 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-06 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-10 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-10 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-15 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-15 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: 6 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/5 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 2/68 variables, 2/7 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 0/7 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 130/198 variables, 68/75 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 22/97 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 0/97 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/198 variables, 0/97 constraints. Problems are: Problem set: 6 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 198/198 variables, and 97 constraints, problems are : Problem set: 6 solved, 4 unsolved in 1038 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 68/68 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 4/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 6 solved, 4 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/5 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 4/68 variables, 2/7 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 0/7 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 130/198 variables, 68/75 constraints. Problems are: Problem set: 6 solved, 4 unsolved
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :132 after 706
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 22/97 constraints. Problems are: Problem set: 6 solved, 4 unsolved
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :706 after 709
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 2/99 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/198 variables, 0/99 constraints. Problems are: Problem set: 6 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/198 variables, 0/99 constraints. Problems are: Problem set: 6 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 198/198 variables, and 99 constraints, problems are : Problem set: 6 solved, 4 unsolved in 2155 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 68/68 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 4/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3393ms problems are : Problem set: 6 solved, 4 unsolved
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :709 after 733
Parikh walk visited 0 properties in 1502 ms.
Support contains 64 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.4 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 80 ms. Remains 66 /68 variables (removed 2) and now considering 548/548 (removed 0) transitions.
Running 545 sub problems to find dead transitions.
[2025-06-03 06:42:15] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
// Phase 1: matrix 130 rows 66 cols
[2025-06-03 06:42:15] [INFO ] Computed 5 invariants in 2 ms
[2025-06-03 06:42:15] [INFO ] State equation strengthened by 22 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 545 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 06:42:19] [INFO ] Deduced a trap composed of 5 places in 276 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 06:42:21] [INFO ] Deduced a trap composed of 14 places in 138 ms of which 3 ms to minimize.
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 TDEAD327 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD99 is UNSAT
Problem TDEAD110 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD132 is UNSAT
Problem TDEAD143 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD165 is UNSAT
Problem TDEAD176 is UNSAT
Problem TDEAD187 is UNSAT
Problem TDEAD198 is UNSAT
Problem TDEAD209 is UNSAT
Problem TDEAD220 is UNSAT
Problem TDEAD231 is UNSAT
Problem TDEAD242 is UNSAT
Problem TDEAD253 is UNSAT
Problem TDEAD264 is UNSAT
Problem TDEAD275 is UNSAT
Problem TDEAD286 is UNSAT
Problem TDEAD297 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 2/7 constraints. Problems are: Problem set: 40 solved, 505 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 40 solved, 505 unsolved
Problem TDEAD20 is UNSAT
Problem TDEAD65 is UNSAT
SDD proceeding with computation,12 properties remain. new max is 1024
SDD size :733 after 1651
At refinement iteration 3 (OVERLAPS) 130/196 variables, 66/73 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 22/95 constraints. Problems are: Problem set: 42 solved, 503 unsolved
Reachability property BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-08 is true.
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 0/95 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 6 (OVERLAPS) 0/196 variables, 0/95 constraints. Problems are: Problem set: 42 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 95 constraints, problems are : Problem set: 42 solved, 503 unsolved in 20053 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 66/66 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 545/545 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 42 solved, 503 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 5/5 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 2/7 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 130/196 variables, 66/73 constraints. Problems are: Problem set: 42 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 22/95 constraints. Problems are: Problem set: 42 solved, 503 unsolved
SDD proceeding with computation,11 properties remain. new max is 1024
SDD size :1651 after 3197
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 503/598 constraints. Problems are: Problem set: 42 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 196/196 variables, and 598 constraints, problems are : Problem set: 42 solved, 503 unsolved in 20065 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 66/66 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 503/545 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41157ms problems are : Problem set: 42 solved, 503 unsolved
Search for dead transitions found 42 dead transitions in 41171ms
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 : 66/68 places, 506/548 transitions.
Applied a total of 0 rules in 64 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41347 ms. Remains : 66/68 places, 506/548 transitions.
RANDOM walk for 40000 steps (224 resets) in 886 ms. (45 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (88 resets) in 7837 ms. (5 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (77 resets) in 234 ms. (170 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (80 resets) in 201 ms. (198 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 862914 steps, run timeout after 6001 ms. (steps per millisecond=143 ) properties seen :1 out of 3
Probabilistic random walk after 862914 steps, saw 209296 distinct states, run finished after 6010 ms. (steps per millisecond=143 ) properties seen :1
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-14 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
[2025-06-03 06:43:05] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 66 cols
[2025-06-03 06:43:05] [INFO ] Computed 7 invariants in 3 ms
[2025-06-03 06:43:05] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 1/192 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/192 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/192 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 93 constraints, problems are : Problem set: 0 solved, 2 unsolved in 330 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 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
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 1/192 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/192 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/192 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 93 constraints, problems are : Problem set: 0 solved, 2 unsolved in 666 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1015ms problems are : Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,11 properties remain. new max is 2048
SDD size :3197 after 4988
Parikh walk visited 0 properties in 273 ms.
Support contains 64 out of 66 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 66/66 places, 506/506 transitions.
Applied a total of 0 rules in 33 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 66/66 places, 506/506 transitions.
RANDOM walk for 40000 steps (224 resets) in 566 ms. (70 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (88 resets) in 5281 ms. (7 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (77 resets) in 336 ms. (118 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 430726 steps, run timeout after 3001 ms. (steps per millisecond=143 ) properties seen :0 out of 2
Probabilistic random walk after 430726 steps, saw 108374 distinct states, run finished after 3001 ms. (steps per millisecond=143 ) properties seen :0
[2025-06-03 06:43:11] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-03 06:43:11] [INFO ] Invariant cache hit.
[2025-06-03 06:43:11] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 1/192 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/192 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/192 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 93 constraints, problems are : Problem set: 0 solved, 2 unsolved in 451 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 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
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 1/192 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/192 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/192 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 93 constraints, problems are : Problem set: 0 solved, 2 unsolved in 566 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 66/66 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1042ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 202 ms.
Support contains 64 out of 66 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 66/66 places, 506/506 transitions.
Applied a total of 0 rules in 32 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 66/66 places, 506/506 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 66/66 places, 506/506 transitions.
Applied a total of 0 rules in 16 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
[2025-06-03 06:43:12] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-03 06:43:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:43:12] [INFO ] Implicit Places using invariants in 82 ms returned [22]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 90 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 65/66 places, 506/506 transitions.
Applied a total of 0 rules in 17 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 125 ms. Remains : 65/66 places, 506/506 transitions.
RANDOM walk for 40000 steps (224 resets) in 493 ms. (80 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (88 resets) in 6169 ms. (6 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (77 resets) in 267 ms. (149 steps per ms) remains 2/2 properties
Reachability property BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-14 is true.
Reachability property BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-13 is true.
Interrupted probabilistic random walk after 383434 steps, run timeout after 3001 ms. (steps per millisecond=127 ) properties seen :0 out of 2
Probabilistic random walk after 383434 steps, saw 97169 distinct states, run finished after 3001 ms. (steps per millisecond=127 ) properties seen :0
[2025-06-03 06:43:17] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 65 cols
[2025-06-03 06:43:17] [INFO ] Computed 6 invariants in 4 ms
[2025-06-03 06:43:17] [INFO ] State equation strengthened by 20 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1/191 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/191 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 91 constraints, problems are : Problem set: 0 solved, 2 unsolved in 291 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 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
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 06:43:17] [INFO ] Deduced a trap composed of 5 places in 90 ms of which 4 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/71 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 1/191 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/191 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 191/191 variables, and 92 constraints, problems are : Problem set: 0 solved, 2 unsolved in 567 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 881ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 106 ms.
Support contains 64 out of 65 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 506/506 transitions.
Applied a total of 0 rules in 28 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 65/65 places, 506/506 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 506/506 transitions.
Applied a total of 0 rules in 26 ms. Remains 65 /65 variables (removed 0) and now considering 506/506 (removed 0) transitions.
[2025-06-03 06:43:18] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-03 06:43:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:43:18] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-06-03 06:43:18] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-03 06:43:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 06:43:18] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-03 06:43:18] [INFO ] Implicit Places using invariants and state equation in 121 ms returned []
Implicit Place search using SMT with State Equation took 173 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 06:43:18] [INFO ] Redundant transitions in 57 ms returned []
Running 503 sub problems to find dead transitions.
[2025-06-03 06:43:18] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-03 06:43:18] [INFO ] Invariant cache hit.
[2025-06-03 06:43:18] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 06:43:21] [INFO ] Deduced a trap composed of 5 places in 159 ms of which 4 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/72 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 06:43:36] [INFO ] Deduced a trap composed of 14 places in 119 ms of which 6 ms to minimize.
At refinement iteration 6 (OVERLAPS) 0/191 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/191 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 93 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30011 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :4988 after 9322
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/191 variables, 65/73 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 20/93 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 503/596 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Reachability property BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-11 is true.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 191/191 variables, and 596 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 65/65 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60924ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 60927ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61197 ms. Remains : 65/65 places, 506/506 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 126
Applied a total of 380 rules in 14 ms. Remains 65 /65 variables (removed 0) and now considering 126/506 (removed 380) transitions.
Running SMT prover for 2 properties.
Excessive predecessor constraint size, skipping predecessor.
[2025-06-03 06:44:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-03 06:44:19] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2025-06-03 06:44:19] [INFO ] After 100ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-03 06:44:19] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2025-06-03 06:44:20] [INFO ] After 85ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2025-06-03 06:44:20] [INFO ] After 127ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2025-06-03 06:44:20] [INFO ] After 304ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2025-06-03 06:44:20] [INFO ] Flatten gal took : 54 ms
[2025-06-03 06:44:20] [INFO ] Flatten gal took : 19 ms
[2025-06-03 06:44:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6230119469214683149.gal : 2 ms
[2025-06-03 06:44:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11690828025504126719.prop : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6230119469214683149.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11690828025504126719.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality11690828025504126719.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 60
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :60 after 158
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :158 after 580
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :580 after 2259
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :2259 after 12302
Reachability property BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-07 is true.
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :64680 after 76598
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :76598 after 91840
Detected timeout of ITS tools.
[2025-06-03 06:44:35] [INFO ] Flatten gal took : 18 ms
[2025-06-03 06:44:35] [INFO ] Applying decomposition
[2025-06-03 06:44:35] [INFO ] Flatten gal took : 23 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph5011422729987049528.txt' '-o' '/tmp/graph5011422729987049528.bin' '-w' '/tmp/graph5011422729987049528.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5011422729987049528.bin' '-l' '-1' '-v' '-w' '/tmp/graph5011422729987049528.weights' '-q' '0' '-e' '0.001'
[2025-06-03 06:44:35] [INFO ] Decomposing Gal with order
[2025-06-03 06:44:35] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-03 06:44:36] [INFO ] Removed a total of 134 redundant transitions.
[2025-06-03 06:44:36] [INFO ] Flatten gal took : 343 ms
[2025-06-03 06:44:36] [INFO ] Fuse similar labels procedure discarded/fused a total of 59 labels/synchronizations in 6 ms.
[2025-06-03 06:44:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6090019279248854931.gal : 2 ms
[2025-06-03 06:44:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1463864970333342493.prop : 25 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6090019279248854931.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1463864970333342493.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality1463864970333342493.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 2866
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :2866 after 8680
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 31867 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-03 06:44:51] [INFO ] Flatten gal took : 80 ms
[2025-06-03 06:44:51] [INFO ] Applying decomposition
[2025-06-03 06:44:51] [INFO ] Flatten gal took : 72 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph10363024575436323416.txt' '-o' '/tmp/graph10363024575436323416.bin' '-w' '/tmp/graph10363024575436323416.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10363024575436323416.bin' '-l' '-1' '-v' '-w' '/tmp/graph10363024575436323416.weights' '-q' '0' '-e' '0.001'
[2025-06-03 06:44:52] [INFO ] Decomposing Gal with order
[2025-06-03 06:44:52] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-03 06:44:52] [INFO ] Removed a total of 1031 redundant transitions.
[2025-06-03 06:44:52] [INFO ] Flatten gal took : 284 ms
[2025-06-03 06:44:52] [INFO ] Fuse similar labels procedure discarded/fused a total of 233 labels/synchronizations in 16 ms.
[2025-06-03 06:44:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16595462095964817330.gal : 2 ms
[2025-06-03 06:44:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16573194513389638019.prop : 5 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16595462095964817330.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16573194513389638019.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality16573194513389638019.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1510 after 1511
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :12402 after 12403
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :28673 after 29086
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :55543 after 58394
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :157092 after 157542
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :361047 after 361439
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :705806 after 706217
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.19971e+06 after 1.21765e+06
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :2.5437e+06 after 2.54557e+06
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :4.33267e+06 after 4.33391e+06
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :6.21664e+06 after 6.22103e+06
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,6.73257e+06,1101.36,2220576,38755,14747,2.43601e+06,884650,1260,6.44932e+06,244,4.79679e+06,0
Total reachable state count : 6732570

Verifying 2 reachability properties.
Invariant property BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-01 is true.
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-01,0,1134.76,2220576,1,0,2.43601e+06,884650,4727,6.44932e+06,486,4.79679e+06,182825
Reachability property BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-07 does not hold.
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-07 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
No reachable states exhibit your property : BridgeAndVehicles-PT-V20P10N10-ReachabilityFireability-2025-07

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-2025-07,0,1135.14,2220576,1,0,2.43601e+06,884650,4875,6.44932e+06,532,4.79679e+06,195024
All properties solved without resorting to model-checking.
Total runtime 1309525 ms.

BK_STOP 1748934230255

--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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 2-5832"
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 r016-smll-174853764900343"
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 ;