Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r016-smll-174853764700215.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)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is BridgeAndVehicles-COL-V20P20N20, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-smll-174853764700215
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 7.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K 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 4.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 21K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 204K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 36K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 10 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 40K 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-COL-V20P20N20-ReachabilityFireability-2025-00
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-01
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-02
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-03
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-04
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-05
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-06
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-07
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-08
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-09
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-10
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-11
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-12
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-13
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-14
FORMULA_NAME BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748777110610

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V20P20N20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
ReachabilityFireability COL
Running Version 202505121319
[2025-06-01 11:25:12] [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]
[2025-06-01 11:25:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 11:25:13] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2025-06-01 11:25:13] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-01 11:25:14] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1379 ms
[2025-06-01 11:25:14] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 78 PT places and 37258.0 transition bindings in 43 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 27 ms.
Reduction of identical properties reduced properties to check from 16 to 12
Working with output stream class java.io.PrintStream
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-01 11:25:14] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 9 ms.
[2025-06-01 11:25:14] [INFO ] Skeletonized 11 HLPN properties in 11 ms.
Remains 2 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Computed a total of 9 stabilizing places and 6 stable transitions
Graph (complete) has 22 edges and 12 vertex of which 10 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.4 ms
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
[2025-06-01 11:25:15] [INFO ] Flatten gal took : 65 ms
[2025-06-01 11:25:15] [INFO ] Flatten gal took : 8 ms
[2025-06-01 11:25:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10299510789708828641.gal : 52 ms
RANDOM walk for 40000 steps (8 resets) in 1257 ms. (31 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 403 ms. (99 steps per ms) remains 1/1 properties
[2025-06-01 11:25:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10218902217250147551.prop : 2 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/ReachabilityCardinality10299510789708828641.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10218902217250147551.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 ...330
Loading property file /tmp/ReachabilityCardinality10218902217250147551.prop.
SDD proceeding with computation,1 properties remain. new max is 4
// Phase 1: matrix 10 rows 12 cols
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 336
[2025-06-01 11:25:15] [INFO ] Computed 4 invariants in 5 ms
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :336 after 10143
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :10143 after 24233
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :24233 after 68418
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :68418 after 129936
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-02 is UNSAT
After SMT solving in domain Real declared 12/22 variables, and 4 constraints, problems are : Problem set: 1 solved, 0 unsolved in 226 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 0/12 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
SDD proceeding with computation,1 properties remain. new max is 1024
After SMT, in 282ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
SDD size :129936 after 797070
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
[2025-06-01 11:25:15] [INFO ] Flatten gal took : 5 ms
[2025-06-01 11:25:15] [INFO ] Flatten gal took : 4 ms
RANDOM walk for 0 steps (0 resets) in 7 ms. (0 steps per ms) remains 0/0 properties
[2025-06-01 11:25:15] [INFO ] Flatten gal took : 4 ms
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-06-01 11:25:15] [INFO ] Flatten gal took : 8 ms
[2025-06-01 11:25:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10261648218244176416.gal : 6 ms
[2025-06-01 11:25:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1746436824332446008.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10261648218244176416.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1746436824332446008.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

ITS runner timed out or was interrupted.
/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/ReachabilityCardinality1746436824332446008.prop.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,5,0.006236,3992,2,21,5,62,6,0,54,27,0
Total reachable state count : 5

FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-02 TRUE TECHNIQUES CPN_APPROX
Arc [13:1*[(MOD (ADD $cpt 1) 21)]] contains successor/predecessor on variables of sort compteur
Arc [1:1*[(MOD (ADD $cA 1) 21)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 21) 21) 21)]] contains successor/predecessor on variables of sort voitureB
Arc [14:1*[(MOD (ADD $s 1) 2)]] contains successor/predecessor on variables of sort sens
[2025-06-01 11:25:15] [INFO ] Unfolded HLPN to a Petri net with 78 places and 968 transitions 7350 arcs in 142 ms.
[2025-06-01 11:25:15] [INFO ] Unfolded 11 HLPN properties in 2 ms.
[2025-06-01 11:25:17] [INFO ] Flatten gal took : 550 ms
[2025-06-01 11:25:17] [INFO ] Flatten gal took : 274 ms
[2025-06-01 11:25:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15955665801451802861.gal : 130 ms
[2025-06-01 11:25:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5554561423214249318.prop : 176 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/ReachabilityCardinality15955665801451802861.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5554561423214249318.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
RANDOM walk for 40005 steps (228 resets) in 6753 ms. (5 steps per ms) remains 4/10 properties
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Loading property file /tmp/ReachabilityCardinality5554561423214249318.prop.
BEST_FIRST walk for 40003 steps (92 resets) in 4566 ms. (8 steps per ms) remains 4/4 properties
Invariant property BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-15 does not hold.
SDD proceeding with computation,9 properties remain. new max is 2
SDD size :1 after 4
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :4 after 6
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :6 after 12
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :12 after 30
BEST_FIRST walk for 40003 steps (76 resets) in 9736 ms. (4 steps per ms) remains 4/4 properties
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :30 after 89
BEST_FIRST walk for 40002 steps (80 resets) in 7859 ms. (5 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (108 resets) in 6951 ms. (5 steps per ms) remains 4/4 properties
[2025-06-01 11:25:25] [INFO ] Flow matrix only has 170 transitions (discarded 798 similar events)
// Phase 1: matrix 170 rows 78 cols
[2025-06-01 11:25:25] [INFO ] Computed 7 invariants in 17 ms
[2025-06-01 11:25:25] [INFO ] State equation strengthened by 42 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-00 is UNSAT
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-00 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-08 is UNSAT
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-08 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-12 is UNSAT
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-12 FALSE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 5/5 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/5 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 2/78 variables, 2/7 constraints. Problems are: Problem set: 3 solved, 1 unsolved
SDD proceeding with computation,9 properties remain. new max is 64
At refinement iteration 3 (INCLUDED_ONLY) 0/78 variables, 0/7 constraints. Problems are: Problem set: 3 solved, 1 unsolved
SDD size :89 after 240
At refinement iteration 4 (OVERLAPS) 170/248 variables, 78/85 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/248 variables, 42/127 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/248 variables, 0/127 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/248 variables, 0/127 constraints. Problems are: Problem set: 3 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 248/248 variables, and 127 constraints, problems are : Problem set: 3 solved, 1 unsolved in 680 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 78/78 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 4/4 constraints. Problems are: Problem set: 3 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:25:26] [INFO ] Deduced a trap composed of 5 places in 228 ms of which 12 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/5 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/5 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/78 variables, 3/8 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 0/8 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 170/248 variables, 78/86 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/248 variables, 42/128 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/248 variables, 0/128 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/248 variables, 0/128 constraints. Problems are: Problem set: 3 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 248/248 variables, and 128 constraints, problems are : Problem set: 3 solved, 1 unsolved in 776 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 78/78 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1563ms problems are : Problem set: 3 solved, 1 unsolved
Parikh walk visited 0 properties in 94 ms.
Support contains 73 out of 78 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 78/78 places, 968/968 transitions.
Graph (complete) has 642 edges and 78 vertex of which 76 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.13 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 247 ms. Remains 76 /78 variables (removed 2) and now considering 968/968 (removed 0) transitions.
Running 965 sub problems to find dead transitions.
[2025-06-01 11:25:27] [INFO ] Flow matrix only has 170 transitions (discarded 798 similar events)
// Phase 1: matrix 170 rows 76 cols
[2025-06-01 11:25:27] [INFO ] Computed 5 invariants in 4 ms
[2025-06-01 11:25:27] [INFO ] State equation strengthened by 42 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Reachability property BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-10 is true.
Reachability property BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-05 is true.
Invariant property BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-04 does not hold.
Invariant property BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-01 does not hold.
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :240 after 926
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :926 after 929
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :929 after 933
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :933 after 939
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 965 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:25:35] [INFO ] Deduced a trap composed of 5 places in 258 ms of which 6 ms to minimize.
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :939 after 1245
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:25:41] [INFO ] Deduced a trap composed of 24 places in 144 ms of which 3 ms to minimize.
Problem TDEAD528 is UNSAT
Problem TDEAD549 is UNSAT
Problem TDEAD570 is UNSAT
Problem TDEAD591 is UNSAT
Problem TDEAD612 is UNSAT
Problem TDEAD633 is UNSAT
Problem TDEAD654 is UNSAT
Problem TDEAD675 is UNSAT
Problem TDEAD696 is UNSAT
Problem TDEAD717 is UNSAT
Problem TDEAD738 is UNSAT
Problem TDEAD759 is UNSAT
Problem TDEAD780 is UNSAT
Problem TDEAD801 is UNSAT
Problem TDEAD822 is UNSAT
Problem TDEAD843 is UNSAT
Problem TDEAD864 is UNSAT
Problem TDEAD885 is UNSAT
Problem TDEAD906 is UNSAT
Problem TDEAD927 is UNSAT
Problem TDEAD108 is UNSAT
Problem TDEAD109 is UNSAT
Problem TDEAD110 is UNSAT
Problem TDEAD111 is UNSAT
Problem TDEAD112 is UNSAT
Problem TDEAD113 is UNSAT
Problem TDEAD114 is UNSAT
Problem TDEAD115 is UNSAT
Problem TDEAD116 is UNSAT
Problem TDEAD117 is UNSAT
Problem TDEAD118 is UNSAT
Problem TDEAD119 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD123 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD126 is UNSAT
Problem TDEAD127 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 2/7 constraints. Problems are: Problem set: 40 solved, 925 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 76/246 variables, and 7 constraints, problems are : Problem set: 40 solved, 925 unsolved in 20066 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/76 constraints, ReadFeed: 0/42 constraints, PredecessorRefiner: 965/924 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 40 solved, 925 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 5/5 constraints. Problems are: Problem set: 40 solved, 925 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 2/7 constraints. Problems are: Problem set: 40 solved, 925 unsolved
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :1245 after 3019
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/7 constraints. Problems are: Problem set: 40 solved, 925 unsolved
Problem TDEAD20 is UNSAT
Problem TDEAD65 is UNSAT
At refinement iteration 3 (OVERLAPS) 170/246 variables, 76/83 constraints. Problems are: Problem set: 42 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/246 variables, 42/125 constraints. Problems are: Problem set: 42 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 246/246 variables, and 1047 constraints, problems are : Problem set: 42 solved, 923 unsolved in 20176 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 76/76 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 923/924 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 43129ms problems are : Problem set: 42 solved, 923 unsolved
Search for dead transitions found 42 dead transitions in 43169ms
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 : 76/78 places, 926/968 transitions.
Applied a total of 0 rules in 111 ms. Remains 76 /76 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43575 ms. Remains : 76/78 places, 926/968 transitions.
RANDOM walk for 40000 steps (228 resets) in 1865 ms. (21 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40000 steps (76 resets) in 8274 ms. (4 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 669271 steps, run timeout after 6001 ms. (steps per millisecond=111 ) properties seen :0 out of 1
Probabilistic random walk after 669271 steps, saw 165456 distinct states, run finished after 6008 ms. (steps per millisecond=111 ) properties seen :0
[2025-06-01 11:26:19] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
// Phase 1: matrix 166 rows 76 cols
[2025-06-01 11:26:19] [INFO ] Computed 7 invariants in 3 ms
[2025-06-01 11:26:19] [INFO ] State equation strengthened by 40 read => feed constraints.
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) 0/73 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 2/75 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 166/241 variables, 75/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/241 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/241 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/242 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/242 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/242 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 242/242 variables, and 123 constraints, problems are : Problem set: 0 solved, 1 unsolved in 317 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:26:20] [INFO ] Deduced a trap composed of 5 places in 156 ms of which 4 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/75 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 166/241 variables, 75/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/241 variables, 40/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/241 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/242 variables, 1/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/242 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/242 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 242/242 variables, and 124 constraints, problems are : Problem set: 0 solved, 1 unsolved in 630 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 966ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 80 ms.
Support contains 73 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 926/926 transitions.
Applied a total of 0 rules in 82 ms. Remains 76 /76 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 82 ms. Remains : 76/76 places, 926/926 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 926/926 transitions.
Applied a total of 0 rules in 58 ms. Remains 76 /76 variables (removed 0) and now considering 926/926 (removed 0) transitions.
[2025-06-01 11:26:20] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2025-06-01 11:26:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:26:20] [INFO ] Implicit Places using invariants in 84 ms returned [23]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 95 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 75/76 places, 926/926 transitions.
Applied a total of 0 rules in 55 ms. Remains 75 /75 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 209 ms. Remains : 75/76 places, 926/926 transitions.
RANDOM walk for 40001 steps (228 resets) in 1927 ms. (20 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (76 resets) in 7914 ms. (5 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 701970 steps, run timeout after 6001 ms. (steps per millisecond=116 ) properties seen :0 out of 1
Probabilistic random walk after 701970 steps, saw 173044 distinct states, run finished after 6001 ms. (steps per millisecond=116 ) properties seen :0
[2025-06-01 11:26:29] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
// Phase 1: matrix 166 rows 75 cols
[2025-06-01 11:26:29] [INFO ] Computed 6 invariants in 2 ms
[2025-06-01 11:26:29] [INFO ] State equation strengthened by 40 read => feed constraints.
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) 0/73 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 1/74 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/74 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 166/240 variables, 74/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/241 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/241 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/241 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 241/241 variables, and 121 constraints, problems are : Problem set: 0 solved, 1 unsolved in 558 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:26:30] [INFO ] Deduced a trap composed of 5 places in 195 ms of which 5 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/74 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 166/240 variables, 74/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 40/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/240 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/241 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/241 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/241 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 241/241 variables, and 122 constraints, problems are : Problem set: 0 solved, 1 unsolved in 554 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1146ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 19 ms.
Support contains 73 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 926/926 transitions.
Applied a total of 0 rules in 47 ms. Remains 75 /75 variables (removed 0) and now considering 926/926 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 75/75 places, 926/926 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 926/926 transitions.
Applied a total of 0 rules in 39 ms. Remains 75 /75 variables (removed 0) and now considering 926/926 (removed 0) transitions.
[2025-06-01 11:26:30] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2025-06-01 11:26:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:26:30] [INFO ] Implicit Places using invariants in 52 ms returned []
[2025-06-01 11:26:30] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2025-06-01 11:26:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 11:26:31] [INFO ] State equation strengthened by 40 read => feed constraints.
[2025-06-01 11:26:31] [INFO ] Implicit Places using invariants and state equation in 173 ms returned []
Implicit Place search using SMT with State Equation took 245 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 11:26:31] [INFO ] Redundant transitions in 69 ms returned []
Running 923 sub problems to find dead transitions.
[2025-06-01 11:26:31] [INFO ] Flow matrix only has 166 transitions (discarded 760 similar events)
[2025-06-01 11:26:31] [INFO ] Invariant cache hit.
[2025-06-01 11:26:31] [INFO ] State equation strengthened by 40 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 11:26:36] [INFO ] Deduced a trap composed of 5 places in 195 ms of which 5 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
SDD proceeding with computation,5 properties remain. new max is 4096
SDD size :3019 after 7305
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/241 variables, 75/82 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 241/241 variables, and 122 constraints, problems are : Problem set: 0 solved, 923 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 923 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 3 (OVERLAPS) 166/241 variables, 75/82 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 40/122 constraints. Problems are: Problem set: 0 solved, 923 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/241 variables, 922/1044 constraints. Problems are: Problem set: 0 solved, 923 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 241/241 variables, and 1044 constraints, problems are : Problem set: 0 solved, 923 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 75/75 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 923/922 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61892ms problems are : Problem set: 0 solved, 923 unsolved
Search for dead transitions found 0 dead transitions in 61895ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62266 ms. Remains : 75/75 places, 926/926 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 760 transitions
Reduce isomorphic transitions removed 760 transitions.
Iterating post reduction 0 with 760 rules applied. Total rules applied 760 place count 75 transition count 166
Applied a total of 760 rules in 21 ms. Remains 75 /75 variables (removed 0) and now considering 166/926 (removed 760) transitions.
Running SMT prover for 1 properties.
[2025-06-01 11:27:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 11:27:33] [INFO ] [Real]Absence check using 6 positive place invariants in 5 ms returned sat
[2025-06-01 11:27:33] [INFO ] After 131ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 11:27:33] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2025-06-01 11:27:33] [INFO ] After 145ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 11:27:33] [INFO ] After 197ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 11:27:33] [INFO ] After 324ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 11:27:33] [INFO ] Flatten gal took : 58 ms
[2025-06-01 11:27:33] [INFO ] Flatten gal took : 41 ms
[2025-06-01 11:27:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14021256671082704722.gal : 6 ms
[2025-06-01 11:27:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13754840861174657572.prop : 45 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/ReachabilityCardinality14021256671082704722.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13754840861174657572.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 ...330
Loading property file /tmp/ReachabilityCardinality13754840861174657572.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :3 after 6
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :6 after 18
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :18 after 64
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :64 after 301
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :301 after 1560
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1560 after 20672
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :92050 after 112452
Detected timeout of ITS tools.
[2025-06-01 11:27:48] [INFO ] Flatten gal took : 35 ms
[2025-06-01 11:27:48] [INFO ] Applying decomposition
[2025-06-01 11:27:49] [INFO ] Flatten gal took : 33 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/graph13766725691860515646.txt' '-o' '/tmp/graph13766725691860515646.bin' '-w' '/tmp/graph13766725691860515646.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13766725691860515646.bin' '-l' '-1' '-v' '-w' '/tmp/graph13766725691860515646.weights' '-q' '0' '-e' '0.001'
[2025-06-01 11:27:49] [INFO ] Decomposing Gal with order
[2025-06-01 11:27:49] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 11:27:49] [INFO ] Removed a total of 115 redundant transitions.
[2025-06-01 11:27:49] [INFO ] Flatten gal took : 158 ms
[2025-06-01 11:27:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 99 labels/synchronizations in 13 ms.
[2025-06-01 11:27:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2129749657810578360.gal : 4 ms
[2025-06-01 11:27:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13425957245776623363.prop : 45 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/ReachabilityCardinality2129749657810578360.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13425957245776623363.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 ...308
Loading property file /tmp/ReachabilityCardinality13425957245776623363.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 336
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :336 after 1323
Invariant property BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-07 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 65 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,23549,8.04479,15824,77,692,10894,16971,70,28301,263,101997,0
Total reachable state count : 23549

Verifying 1 reachability properties.
Invariant property BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-07 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-07,19,13.1572,15936,12,179,10894,16971,3583,28301,550,101997,0
ITS tools runner thread asked to quit. Dying gracefully.
Over-approximation ignoring read arcs solved 0 properties in 29716 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-01 11:28:03] [INFO ] Flatten gal took : 64 ms
[2025-06-01 11:28:03] [INFO ] Applying decomposition
[2025-06-01 11:28:03] [INFO ] Flatten gal took : 63 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/graph9482768786469363394.txt' '-o' '/tmp/graph9482768786469363394.bin' '-w' '/tmp/graph9482768786469363394.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9482768786469363394.bin' '-l' '-1' '-v' '-w' '/tmp/graph9482768786469363394.weights' '-q' '0' '-e' '0.001'
[2025-06-01 11:28:03] [INFO ] Decomposing Gal with order
[2025-06-01 11:28:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 11:28:03] [INFO ] Removed a total of 1011 redundant transitions.
[2025-06-01 11:28:03] [INFO ] Flatten gal took : 477 ms
[2025-06-01 11:28:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 196 labels/synchronizations in 18 ms.
[2025-06-01 11:28:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9087274289609543196.gal : 7 ms
[2025-06-01 11:28:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality812626975562320302.prop : 7 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/ReachabilityCardinality9087274289609543196.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality812626975562320302.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 ...306
Loading property file /tmp/ReachabilityCardinality812626975562320302.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :8 after 250
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :250 after 848
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :848 after 1936
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1936 after 2224
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2224 after 4072
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :4072 after 8542
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :8542 after 16983
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :16983 after 31356
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :31356 after 54486
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :54486 after 90079
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :142895 after 219372
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :890067 after 1.19281e+06
Detected timeout of ITS tools.
[2025-06-01 11:58:04] [INFO ] Flatten gal took : 52 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin18268444281172648219
[2025-06-01 11:58:04] [INFO ] Computing symmetric may disable matrix : 926 transitions.
[2025-06-01 11:58:04] [INFO ] Applying decomposition
[2025-06-01 11:58:04] [INFO ] Flatten gal took : 51 ms
[2025-06-01 11:58:04] [INFO ] Computation of Complete disable matrix. took 52 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 11:58:04] [INFO ] Computing symmetric may enable matrix : 926 transitions.
[2025-06-01 11:58:04] [INFO ] Computation of Complete enable matrix. took 8 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_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph14396640967704485685.txt' '-o' '/tmp/graph14396640967704485685.bin' '-w' '/tmp/graph14396640967704485685.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14396640967704485685.bin' '-l' '-1' '-v' '-w' '/tmp/graph14396640967704485685.weights' '-q' '0' '-e' '0.001'
[2025-06-01 11:58:04] [INFO ] Decomposing Gal with order
[2025-06-01 11:58:04] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 11:58:04] [INFO ] Removed a total of 1752 redundant transitions.
[2025-06-01 11:58:04] [INFO ] Flatten gal took : 285 ms
[2025-06-01 11:58:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 233 labels/synchronizations in 34 ms.
[2025-06-01 11:58:04] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability10225526630216637097.gal : 8 ms
[2025-06-01 11:58:04] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability17962013392373213351.prop : 8 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/ReachabilityFireability10225526630216637097.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability17962013392373213351.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/ReachabilityFireability17962013392373213351.prop.
[2025-06-01 11:58:05] [INFO ] Computing Do-Not-Accords matrix : 926 transitions.
[2025-06-01 11:58:05] [INFO ] Computation of Completed DNA matrix. took 79 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-01 11:58:05] [INFO ] Built C files in 1018ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin18268444281172648219
Running compilation step : cd /tmp/ltsmin18268444281172648219;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '720' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :105 after 109
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :109 after 114
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :114 after 123
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :123 after 140
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :5225 after 6420
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :35807 after 37294
Compilation finished in 8209 ms.
Running link step : cd /tmp/ltsmin18268444281172648219;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 100 ms.
Running LTSmin : cd /tmp/ltsmin18268444281172648219;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'BridgeAndVehiclesCOLV20P20N20ReachabilityFireability202507==true'
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :229075 after 261846
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,9.78361e+06,50.3922,470916,2037,5572,219670,212113,1357,2.4889e+06,331,3.31361e+06,0
Total reachable state count : 9783606

Verifying 1 reachability properties.
Invariant property BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-07 is true.
FORMULA BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
BridgeAndVehicles-COL-V20P20N20-ReachabilityFireability-2025-07,0,56.5499,470916,1,0,219670,212113,3918,2.4889e+06,709,3.31361e+06,45256
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Total runtime 2087761 ms.

BK_STOP 1748779200659

--------------------
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-COL-V20P20N20"
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-COL-V20P20N20, 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-174853764700215"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V20P20N20.tgz
mv BridgeAndVehicles-COL-V20P20N20 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 ;