About the Execution of ITS-Tools for BridgeAndVehicles-COL-V20P20N10
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 817175.00 | 0.00 | 0.00 | FFFFTTFFTFFTTFTT | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r016-smll-174853764600207.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-V20P20N10, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-smll-174853764600207
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 500K
-rw-r--r-- 1 mcc users 8.1K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 65K 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 4.4K 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 2.8K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 66K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 107K 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 3.9K 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 39K 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-V20P20N10-ReachabilityFireability-2025-00
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-01
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-02
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-03
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-04
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-05
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-06
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-07
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-08
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-09
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-10
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-11
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-12
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-13
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-14
FORMULA_NAME BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-15
=== Now, execution of the tool begins
BK_START 1748771326330
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-V20P20N10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
ReachabilityFireability COL
Running Version 202505121319
[2025-06-01 09:48:48] [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 09:48:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 09:48:48] [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 09:48:49] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-01 09:48:49] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1159 ms
[2025-06-01 09:48:49] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 68 PT places and 19578.0 transition bindings in 48 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 57 ms.
Working with output stream class java.io.PrintStream
FORMULA BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-01 09:48:49] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 10 ms.
[2025-06-01 09:48:49] [INFO ] Skeletonized 14 HLPN properties in 1 ms.
Remains 4 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.7 ms
Initial state reduction rules removed 1 formulas.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
RANDOM walk for 172 steps (0 resets) in 14 ms. (11 steps per ms) remains 0/3 properties
[2025-06-01 09:48:50] [INFO ] Flatten gal took : 27 ms
[2025-06-01 09:48:50] [INFO ] Flatten gal took : 5 ms
[2025-06-01 09:48:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9430190748115696410.gal : 18 ms
[2025-06-01 09:48:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3600822256196379815.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9430190748115696410.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3600822256196379815.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
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 09:48:50] [INFO ] Flatten gal took : 5 ms
[2025-06-01 09:48:50] [INFO ] Flatten gal took : 5 ms
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
[2025-06-01 09:48:50] [INFO ] Flatten gal took : 3 ms
[2025-06-01 09:48:50] [INFO ] Flatten gal took : 3 ms
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-06-01 09:48:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13187967620914401663.gal : 2 ms
[2025-06-01 09:48:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4828282088414956367.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13187967620914401663.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4828282088414956367.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality4828282088414956367.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,5,0.005274,3884,2,21,5,62,6,0,54,27,0
Total reachable state count : 5
ITS tools runner thread asked to quit. Dying gracefully.
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 [13:1*[(MOD (ADD $cpt 1) 11)]] contains successor/predecessor on variables of sort compteur
Arc [14:1*[(MOD (ADD $s 1) 2)]] contains successor/predecessor on variables of sort sens
[2025-06-01 09:48:50] [INFO ] Unfolded HLPN to a Petri net with 68 places and 548 transitions 4070 arcs in 102 ms.
[2025-06-01 09:48:50] [INFO ] Unfolded 14 HLPN properties in 3 ms.
Initial state reduction rules removed 1 formulas.
FORMULA BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-01 09:48:51] [INFO ] Flatten gal took : 232 ms
[2025-06-01 09:48:51] [INFO ] Flatten gal took : 242 ms
[2025-06-01 09:48:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1079274490717849185.gal : 89 ms
[2025-06-01 09:48:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14059353753528767809.prop : 227 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/ReachabilityCardinality1079274490717849185.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14059353753528767809.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/ReachabilityCardinality14059353753528767809.prop.
RANDOM walk for 40000 steps (224 resets) in 5804 ms. (6 steps per ms) remains 2/13 properties
FORMULA BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (68 resets) in 917 ms. (43 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (72 resets) in 3816 ms. (10 steps per ms) remains 2/2 properties
[2025-06-01 09:48:53] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
// Phase 1: matrix 130 rows 68 cols
[2025-06-01 09:48:53] [INFO ] Computed 7 invariants in 20 ms
[2025-06-01 09:48:53] [INFO ] State equation strengthened by 22 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,13 properties remain. new max is 4
SDD size :1 after 2
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,13 properties remain. new max is 8
SDD size :2 after 6
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, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 4/68 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,13 properties remain. new max is 16
SDD size :6 after 20
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 130/198 variables, 68/75 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 22/97 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:48:54] [INFO ] Deduced a trap composed of 15 places in 209 ms of which 12 ms to minimize.
At refinement iteration 7 (OVERLAPS) 0/198 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/198 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,13 properties remain. new max is 32
SDD size :20 after 56
At refinement iteration 9 (OVERLAPS) 0/198 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 198/198 variables, and 98 constraints, problems are : Problem set: 0 solved, 2 unsolved in 885 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 68/68 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 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: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:48:54] [INFO ] Deduced a trap composed of 5 places in 186 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:48:55] [INFO ] Deduced a trap composed of 14 places in 118 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/64 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 4/68 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/68 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 130/198 variables, 68/78 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/198 variables, 22/100 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/198 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/198 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 198/198 variables, and 100 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1019 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 68/68 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2043ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 75 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.8 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 93 ms. Remains 66 /68 variables (removed 2) and now considering 548/548 (removed 0) transitions.
Running 545 sub problems to find dead transitions.
[2025-06-01 09:48:55] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
// Phase 1: matrix 130 rows 66 cols
[2025-06-01 09:48:55] [INFO ] Computed 5 invariants in 2 ms
[2025-06-01 09:48:55] [INFO ] State equation strengthened by 22 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
Invariant property BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-13 does not hold.
Reachability property BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-11 is true.
Invariant property BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-03 does not hold.
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :56 after 330
Reachability property BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-14 is true.
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
[2025-06-01 09:48:59] [INFO ] Deduced a trap composed of 5 places in 167 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:49:01] [INFO ] Deduced a trap composed of 14 places in 133 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
Reachability property BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-04 is true.
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :330 after 705
Problem TDEAD88 is UNSAT
Problem TDEAD89 is UNSAT
Problem TDEAD90 is UNSAT
Problem TDEAD91 is UNSAT
Problem TDEAD92 is UNSAT
Problem TDEAD93 is UNSAT
Problem TDEAD94 is UNSAT
Problem TDEAD95 is UNSAT
Problem TDEAD96 is UNSAT
Problem TDEAD97 is UNSAT
Problem TDEAD98 is UNSAT
Problem TDEAD99 is UNSAT
Problem TDEAD100 is UNSAT
Problem TDEAD101 is UNSAT
Problem TDEAD102 is UNSAT
Problem TDEAD103 is UNSAT
Problem TDEAD104 is UNSAT
Problem TDEAD105 is UNSAT
Problem TDEAD106 is UNSAT
Problem TDEAD107 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 2/7 constraints. Problems are: Problem set: 40 solved, 505 unsolved
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :705 after 706
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,8 properties remain. new max is 128
SDD size :706 after 708
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,8 properties remain. new max is 256
SDD size :708 after 711
Invariant property BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-10 does not hold.
FORMULA BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-10 FALSE 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
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 196/196 variables, and 95 constraints, problems are : Problem set: 42 solved, 503 unsolved in 20060 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
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :711 after 946
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
SDD proceeding with computation,7 properties remain. new max is 512
SDD size :946 after 964
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 22/95 constraints. Problems are: Problem set: 42 solved, 503 unsolved
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 20032 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 41082ms problems are : Problem set: 42 solved, 503 unsolved
Search for dead transitions found 42 dead transitions in 41100ms
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 35 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 41254 ms. Remains : 66/68 places, 506/548 transitions.
RANDOM walk for 40000 steps (224 resets) in 354 ms. (112 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (68 resets) in 275 ms. (144 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 772400 steps, run timeout after 3001 ms. (steps per millisecond=257 ) properties seen :0 out of 1
Probabilistic random walk after 772400 steps, saw 188181 distinct states, run finished after 3006 ms. (steps per millisecond=256 ) properties seen :0
[2025-06-01 09:49:40] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 66 cols
[2025-06-01 09:49:40] [INFO ] Computed 7 invariants in 2 ms
[2025-06-01 09:49:40] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 13/43 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 106/149 variables, 43/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/149 variables, 10/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/149 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 42/191 variables, 22/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/191 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/191 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/191 variables, 10/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/191 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/192 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/192 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/192 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 93 constraints, problems are : Problem set: 0 solved, 1 unsolved in 148 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: 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) 0/30 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 13/43 variables, 3/5 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 09:49:40] [INFO ] Deduced a trap composed of 14 places in 116 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 106/149 variables, 43/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/149 variables, 10/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/149 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 42/191 variables, 22/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/191 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/191 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/191 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/191 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1/192 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/192 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/192 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 94 constraints, problems are : Problem set: 0 solved, 1 unsolved in 324 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: 1/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 486ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 12 ms.
Support contains 30 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 24 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 25 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 21 ms. Remains 66 /66 variables (removed 0) and now considering 506/506 (removed 0) transitions.
[2025-06-01 09:49:40] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:49:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:49:40] [INFO ] Implicit Places using invariants in 167 ms returned [23, 47]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 179 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 64/66 places, 506/506 transitions.
Applied a total of 0 rules in 27 ms. Remains 64 /64 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 231 ms. Remains : 64/66 places, 506/506 transitions.
RANDOM walk for 40000 steps (224 resets) in 426 ms. (93 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (68 resets) in 262 ms. (152 steps per ms) remains 1/1 properties
SDD proceeding with computation,7 properties remain. new max is 1024
SDD size :964 after 1647
Interrupted probabilistic random walk after 862719 steps, run timeout after 3003 ms. (steps per millisecond=287 ) properties seen :0 out of 1
Probabilistic random walk after 862719 steps, saw 209245 distinct states, run finished after 3004 ms. (steps per millisecond=287 ) properties seen :0
[2025-06-01 09:49:44] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
// Phase 1: matrix 126 rows 64 cols
[2025-06-01 09:49:44] [INFO ] Computed 5 invariants in 1 ms
[2025-06-01 09:49:44] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 12/42 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 106/148 variables, 42/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/148 variables, 10/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/148 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 41/189 variables, 21/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/189 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/189 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/189 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/190 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/190 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/190 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 89 constraints, problems are : Problem set: 0 solved, 1 unsolved in 121 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 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) 0/30 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 12/42 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/42 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 106/148 variables, 42/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/148 variables, 10/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/148 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 41/189 variables, 21/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/189 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/189 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/189 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/190 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/190 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/190 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 190/190 variables, and 89 constraints, problems are : Problem set: 0 solved, 1 unsolved in 147 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 281ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 10 ms.
Support contains 30 out of 64 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 64/64 places, 506/506 transitions.
Applied a total of 0 rules in 19 ms. Remains 64 /64 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 64/64 places, 506/506 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 64/64 places, 506/506 transitions.
Applied a total of 0 rules in 22 ms. Remains 64 /64 variables (removed 0) and now considering 506/506 (removed 0) transitions.
[2025-06-01 09:49:44] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:49:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:49:44] [INFO ] Implicit Places using invariants in 140 ms returned []
[2025-06-01 09:49:44] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:49:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 09:49:44] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-06-01 09:49:44] [INFO ] Implicit Places using invariants and state equation in 279 ms returned []
Implicit Place search using SMT with State Equation took 422 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 09:49:44] [INFO ] Redundant transitions in 45 ms returned []
Running 503 sub problems to find dead transitions.
[2025-06-01 09:49:44] [INFO ] Flow matrix only has 126 transitions (discarded 380 similar events)
[2025-06-01 09:49:44] [INFO ] Invariant cache hit.
[2025-06-01 09:49:44] [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) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:49:48] [INFO ] Deduced a trap composed of 5 places in 164 ms of which 5 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/70 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 09:50:03] [INFO ] Deduced a trap composed of 14 places in 81 ms of which 3 ms to minimize.
SDD proceeding with computation,7 properties remain. new max is 2048
SDD size :1647 after 3197
At refinement iteration 6 (OVERLAPS) 0/190 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/190 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 8 (OVERLAPS) 0/190 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
No progress, stopping.
After SMT solving in domain Real declared 190/190 variables, and 91 constraints, problems are : Problem set: 0 solved, 503 unsolved in 28274 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 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) 0/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 3 (OVERLAPS) 126/190 variables, 64/71 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/190 variables, 20/91 constraints. Problems are: Problem set: 0 solved, 503 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/190 variables, 503/594 constraints. Problems are: Problem set: 0 solved, 503 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 190/190 variables, and 594 constraints, problems are : Problem set: 0 solved, 503 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 64/64 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 503/503 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 59043ms problems are : Problem set: 0 solved, 503 unsolved
Search for dead transitions found 0 dead transitions in 59047ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59547 ms. Remains : 64/64 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 64 transition count 126
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 381 place count 64 transition count 125
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 382 place count 63 transition count 125
Applied a total of 382 rules in 34 ms. Remains 63 /64 variables (removed 1) and now considering 125/506 (removed 381) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 125 rows 63 cols
[2025-06-01 09:50:44] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-01 09:50:44] [INFO ] [Real]Absence check using 5 positive place invariants in 2 ms returned sat
[2025-06-01 09:50:44] [INFO ] After 137ms 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 09:50:44] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2025-06-01 09:50:44] [INFO ] After 62ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 09:50:44] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-01 09:50:44] [INFO ] After 9ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 09:50:44] [INFO ] After 24ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 09:50:44] [INFO ] After 143ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 09:50:44] [INFO ] Flatten gal took : 23 ms
[2025-06-01 09:50:44] [INFO ] Flatten gal took : 20 ms
[2025-06-01 09:50:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9555256961263936090.gal : 6 ms
[2025-06-01 09:50:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15269417557983157825.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/ReachabilityCardinality9555256961263936090.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15269417557983157825.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/ReachabilityCardinality15269417557983157825.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 28
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :28 after 80
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :80 after 350
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :350 after 2310
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :2310 after 32270
Reachability property BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-07 is true.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 513 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,86863,0.94653,12808,2,4690,14,47795,6,0,378,37878,0
Total reachable state count : 86863
Verifying 1 reachability properties.
Reachability property BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-07 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-07,1456,1.30195,12936,2,290,14,47795,7,0,488,37878,0
Over-approximation ignoring read arcs solved 0 properties in 1720 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-01 09:50:45] [INFO ] Flatten gal took : 42 ms
[2025-06-01 09:50:45] [INFO ] Applying decomposition
[2025-06-01 09:50:45] [INFO ] Flatten gal took : 42 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/graph18161775865091082378.txt' '-o' '/tmp/graph18161775865091082378.bin' '-w' '/tmp/graph18161775865091082378.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph18161775865091082378.bin' '-l' '-1' '-v' '-w' '/tmp/graph18161775865091082378.weights' '-q' '0' '-e' '0.001'
[2025-06-01 09:50:46] [INFO ] Decomposing Gal with order
[2025-06-01 09:50:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 09:50:46] [INFO ] Removed a total of 1031 redundant transitions.
[2025-06-01 09:50:46] [INFO ] Flatten gal took : 367 ms
[2025-06-01 09:50:46] [INFO ] Fuse similar labels procedure discarded/fused a total of 233 labels/synchronizations in 19 ms.
[2025-06-01 09:50:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7973961220878403614.gal : 4 ms
[2025-06-01 09:50:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11792346353037008507.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/ReachabilityCardinality7973961220878403614.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11792346353037008507.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/ReachabilityCardinality11792346353037008507.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1590 after 1627
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :14362 after 14427
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :30951 after 31763
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :100838 after 100930
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :163958 after 166857
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :372665 after 374337
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :721190 after 725289
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.22066e+06 after 1.24202e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.56638e+06 after 2.56731e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :4.01743e+06 after 4.05098e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :6.22278e+06 after 6.22281e+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+06,681.264,2217800,38661,14968,2.80288e+06,627087,241,6.86824e+06,208,5.84427e+06,0
Total reachable state count : 6732570
Verifying 1 reachability properties.
Reachability property BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-07 does not hold.
FORMULA BridgeAndVehicles-COL-V20P20N10-ReachabilityFireability-2025-07 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
No reachable states exhibit your property : BridgeAndVehicles-COL-V20P20N10-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-COL-V20P20N10-ReachabilityFireability-2025-07,0,695.175,2217800,1,0,2.80288e+06,627087,338,6.86824e+06,310,5.84427e+06,161401
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 815061 ms.
BK_STOP 1748772143505
--------------------
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-V20P20N10"
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-V20P20N10, 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-174853764600207"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V20P20N10.tgz
mv BridgeAndVehicles-COL-V20P20N10 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 '
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 ;