Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r034-tall-177946841800103.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is BridgeAndVehicles-COL-V50P50N20, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946841800103
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 488K
-rw-r--r-- 1 mcc users 7.2K Mar 5 08:35 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Mar 5 08:35 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Mar 5 08:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 5 08:35 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.2K Mar 15 07:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 07:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.5K Mar 5 08:36 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 83K Mar 5 08:36 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 5 08:36 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 94K Mar 5 08:36 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 07:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 42K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-00
FORMULA_NAME BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-01
FORMULA_NAME BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-02
FORMULA_NAME BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-03
FORMULA_NAME BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-04
FORMULA_NAME BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-05
FORMULA_NAME BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-06
FORMULA_NAME BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-07
FORMULA_NAME BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-08
FORMULA_NAME BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-09
FORMULA_NAME BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-10
FORMULA_NAME BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-11
FORMULA_NAME BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-12
FORMULA_NAME BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-13
FORMULA_NAME BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-14
FORMULA_NAME BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779506395977

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-V50P50N20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
ReachabilityFireability COL
Running Version 202604301425
[2026-05-23 03:19:57] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 03:19:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 03:19:57] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-23 03:19:57] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-23 03:19:57] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 560 ms
[2026-05-23 03:19:57] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 138 PT places and 218878.0 transition bindings in 18 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 30 ms.
Reduction of identical properties reduced properties to check from 16 to 15
Working with output stream class java.io.PrintStream
FORMULA BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-23 03:19:57] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 4 ms.
[2026-05-23 03:19:57] [INFO ] Skeletonized 13 HLPN properties in 1 ms.
Remains 1 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.3 ms
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
RANDOM walk for 313 steps (0 resets) in 6 ms. (44 steps per ms) remains 0/1 properties
[2026-05-23 03:19:57] [INFO ] Flatten gal took : 24 ms
[2026-05-23 03:19:57] [INFO ] Flatten gal took : 2 ms
[2026-05-23 03:19:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11885454004233448653.gal : 7 ms
[2026-05-23 03:19:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13547562154186170062.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11885454004233448653.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13547562154186170062.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
RANDOM walk for 0 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/0 properties
[2026-05-23 03:19:58] [INFO ] Flatten gal took : 2 ms
[2026-05-23 03:19:58] [INFO ] Flatten gal took : 2 ms
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
[2026-05-23 03:19:58] [INFO ] Flatten gal took : 2 ms
[2026-05-23 03:19:58] [INFO ] Flatten gal took : 1 ms
[2026-05-23 03:19:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18057794724247973948.gal : 1 ms
[2026-05-23 03:19:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2117979642491500895.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality18057794724247973948.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2117979642491500895.prop' '--nowitness' '--gen-order' 'FOLLOW'
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )

ITS runner timed out or was interrupted.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality2117979642491500895.prop.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
ITS tools runner thread asked to quit. Dying gracefully.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.ensureOpen(BufferedInputStream.java:206)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:411)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
Arc [1:1*[(MOD (ADD $cA 1) 51)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 51) 51) 51)]] contains successor/predecessor on variables of sort voitureB
Arc [13:1*[(MOD (ADD $cpt 1) 21)]] contains successor/predecessor on variables of sort compteur
Arc [14:1*[(MOD (ADD $s 1) 2)]] contains successor/predecessor on variables of sort sens
[2026-05-23 03:19:58] [INFO ] Unfolded HLPN to a Petri net with 138 places and 2348 transitions 18090 arcs in 111 ms.
[2026-05-23 03:19:58] [INFO ] Unfolded 13 HLPN properties in 7 ms.
[2026-05-23 03:20:00] [INFO ] Flatten gal took : 585 ms
[2026-05-23 03:20:00] [INFO ] Flatten gal took : 446 ms
[2026-05-23 03:20:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9161584150784609468.gal : 97 ms
[2026-05-23 03:20:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11190733867742119065.prop : 211 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9161584150784609468.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11190733867742119065.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40000 steps (92 resets) in 11847 ms. (3 steps per ms) remains 3/13 properties
FORMULA BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Loading property file /tmp/ReachabilityCardinality11190733867742119065.prop.
BEST_FIRST walk for 40001 steps (40 resets) in 14650 ms. (2 steps per ms) remains 3/3 properties
BEST_FIRST walk for 38160 steps (29 resets) in 19127 ms. (1 steps per ms) remains 2/3 properties
FORMULA BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-23 03:20:10] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4548269749582712447.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17280770552151934673.kers'
[2026-05-23 03:20:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4548269749582712447.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17280770552151934673.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 290 rows 138 cols 1450 entries
Finished phase 1 with 31 SingleSign rule and 100 generalized
[2026-05-23 03:20:10] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17280770552151934673.kers
Total runtime 2 ms.
[2026-05-23 03:20:10] [INFO ] State equation strengthened by 42 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Problem BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-04 is UNSAT
FORMULA BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-04 TRUE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/136 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/136 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 2/138 variables, 2/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/138 variables, 0/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 290/428 variables, 138/145 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/428 variables, 42/187 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/428 variables, 0/187 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/428 variables, 0/187 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 428/428 variables, and 187 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1511 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 138/138 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: 1 solved, 1 unsolved
SDD proceeding with computation,13 properties remain. new max is 4
SDD size :1 after 2
At refinement iteration 0 (INCLUDED_ONLY) 0/135 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,13 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,13 properties remain. new max is 16
SDD size :6 after 19
SDD proceeding with computation,13 properties remain. new max is 32
SDD size :19 after 42
At refinement iteration 1 (INCLUDED_ONLY) 0/135 variables, 1/6 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/135 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 3/138 variables, 2/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/138 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 290/428 variables, 138/146 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/428 variables, 42/188 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/428 variables, 0/188 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/428 variables, 0/188 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 428/428 variables, and 188 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1929 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 138/138 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3772ms problems are : Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,13 properties remain. new max is 64
SDD size :42 after 132
Parikh walk visited 0 properties in 177 ms.
Support contains 135 out of 138 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 138/138 places, 2348/2348 transitions.
Graph (complete) has 1302 edges and 138 vertex of which 136 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.10 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 309 ms. Remains 136 /138 variables (removed 2) and now considering 2348/2348 (removed 0) transitions.
Running 2345 sub problems to find dead transitions.
[2026-05-23 03:20:15] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4783725560178881645.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15489015564988930861.kers'
[2026-05-23 03:20:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4783725560178881645.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15489015564988930861.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 290 rows 136 cols 1448 entries
Finished phase 1 with 131 SingleSign rule and 0 generalized
[2026-05-23 03:20:15] [INFO ] Computed 5 invariants in 1 ms
Computed 5 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-15489015564988930861.kers
Total runtime 4 ms.
[2026-05-23 03:20:15] [INFO ] State equation strengthened by 42 read => feed constraints.
Reachability property BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-08 is true.
Reachability property BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-00 is true.
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :132 after 461
At refinement iteration 0 (INCLUDED_ONLY) 0/136 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2345 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 136/426 variables, and 6 constraints, problems are : Problem set: 0 solved, 2345 unsolved in 20056 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/136 constraints, ReadFeed: 0/42 constraints, PredecessorRefiner: 2345/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2345 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/136 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2345 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/136 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2345 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 136/426 variables, and 6 constraints, problems are : Problem set: 0 solved, 2345 unsolved in 20043 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/136 constraints, ReadFeed: 0/42 constraints, PredecessorRefiner: 2203/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 42272ms problems are : Problem set: 0 solved, 2345 unsolved
Search for dead transitions found 0 dead transitions in 42283ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42629 ms. Remains : 136/138 places, 2348/2348 transitions.
RANDOM walk for 40000 steps (92 resets) in 2826 ms. (14 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (32 resets) in 17263 ms. (2 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 651009 steps, run timeout after 15001 ms. (steps per millisecond=43 ) properties seen :0 out of 1
Probabilistic random walk after 651009 steps, saw 172862 distinct states, run finished after 15009 ms. (steps per millisecond=43 ) properties seen :0
[2026-05-23 03:21:17] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
[2026-05-23 03:21:17] [INFO ] Invariant cache hit.
[2026-05-23 03:21:17] [INFO ] State equation strengthened by 42 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/135 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/135 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 290/425 variables, 135/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/425 variables, 42/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/425 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/426 variables, 1/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/426 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/426 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 426/426 variables, and 183 constraints, problems are : Problem set: 0 solved, 1 unsolved in 746 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 136/136 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: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/135 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/135 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/135 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 290/425 variables, 135/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/425 variables, 42/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/425 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1/426 variables, 1/184 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/426 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/426 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 426/426 variables, and 184 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1687 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 136/136 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2463ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 253 ms.
Support contains 135 out of 136 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Applied a total of 0 rules in 214 ms. Remains 136 /136 variables (removed 0) and now considering 2348/2348 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 214 ms. Remains : 136/136 places, 2348/2348 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 136/136 places, 2348/2348 transitions.
Applied a total of 0 rules in 520 ms. Remains 136 /136 variables (removed 0) and now considering 2348/2348 (removed 0) transitions.
[2026-05-23 03:21:21] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
[2026-05-23 03:21:21] [INFO ] Invariant cache hit.
[2026-05-23 03:21:21] [INFO ] Implicit Places using invariants in 94 ms returned []
[2026-05-23 03:21:21] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
[2026-05-23 03:21:21] [INFO ] Invariant cache hit.
[2026-05-23 03:21:21] [INFO ] State equation strengthened by 42 read => feed constraints.
[2026-05-23 03:21:21] [INFO ] Implicit Places using invariants and state equation in 304 ms returned [107]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 422 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 135/136 places, 2348/2348 transitions.
Applied a total of 0 rules in 171 ms. Remains 135 /135 variables (removed 0) and now considering 2348/2348 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 1125 ms. Remains : 135/136 places, 2348/2348 transitions.
RANDOM walk for 40001 steps (92 resets) in 3577 ms. (11 steps per ms) remains 1/1 properties
BEST_FIRST walk for 35317 steps (28 resets) in 19877 ms. (1 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 781446 steps, run timeout after 18001 ms. (steps per millisecond=43 ) properties seen :0 out of 1
Probabilistic random walk after 781446 steps, saw 207316 distinct states, run finished after 18001 ms. (steps per millisecond=43 ) properties seen :0
[2026-05-23 03:21:45] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12187203470783318525.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6003237348657459933.kers'
[2026-05-23 03:21:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12187203470783318525.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6003237348657459933.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 290 rows 135 cols 1347 entries
Finished phase 1 with 130 SingleSign rule and 0 generalized
[2026-05-23 03:21:45] [INFO ] Computed 5 invariants in 1 ms
Computed 5 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6003237348657459933.kers
Total runtime 1 ms.
[2026-05-23 03:21:45] [INFO ] State equation strengthened by 42 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/135 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/135 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 290/425 variables, 135/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/425 variables, 42/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/425 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/425 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 425/425 variables, and 182 constraints, problems are : Problem set: 0 solved, 1 unsolved in 673 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 135/135 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: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/135 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/135 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/135 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 290/425 variables, 135/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/425 variables, 42/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/425 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/425 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 425/425 variables, and 183 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1521 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 135/135 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2231ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 256 ms.
Support contains 135 out of 135 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 135/135 places, 2348/2348 transitions.
Applied a total of 0 rules in 163 ms. Remains 135 /135 variables (removed 0) and now considering 2348/2348 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 163 ms. Remains : 135/135 places, 2348/2348 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 135/135 places, 2348/2348 transitions.
Applied a total of 0 rules in 155 ms. Remains 135 /135 variables (removed 0) and now considering 2348/2348 (removed 0) transitions.
[2026-05-23 03:21:48] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
[2026-05-23 03:21:48] [INFO ] Invariant cache hit.
[2026-05-23 03:21:48] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-23 03:21:48] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
[2026-05-23 03:21:48] [INFO ] Invariant cache hit.
[2026-05-23 03:21:48] [INFO ] State equation strengthened by 42 read => feed constraints.
[2026-05-23 03:21:48] [INFO ] Implicit Places using invariants and state equation in 134 ms returned []
Implicit Place search using SMT with State Equation took 178 ms to find 0 implicit places.
[2026-05-23 03:21:48] [INFO ] Redundant transitions in 114 ms returned []
Running 2345 sub problems to find dead transitions.
[2026-05-23 03:21:48] [INFO ] Flow matrix only has 290 transitions (discarded 2058 similar events)
[2026-05-23 03:21:48] [INFO ] Invariant cache hit.
[2026-05-23 03:21:48] [INFO ] State equation strengthened by 42 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/135 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2345 unsolved
Problem TDEAD1248 is UNSAT
Problem TDEAD1249 is UNSAT
Problem TDEAD1250 is UNSAT
Problem TDEAD1251 is UNSAT
Problem TDEAD1252 is UNSAT
Problem TDEAD1253 is UNSAT
Problem TDEAD1254 is UNSAT
Problem TDEAD1255 is UNSAT
Problem TDEAD1256 is UNSAT
Problem TDEAD1257 is UNSAT
Problem TDEAD1258 is UNSAT
Problem TDEAD1259 is UNSAT
Problem TDEAD1260 is UNSAT
Problem TDEAD1261 is UNSAT
Problem TDEAD1262 is UNSAT
Problem TDEAD1263 is UNSAT
Problem TDEAD1264 is UNSAT
Problem TDEAD1265 is UNSAT
Problem TDEAD1266 is UNSAT
Problem TDEAD1267 is UNSAT
Problem TDEAD1268 is UNSAT
Problem TDEAD1269 is UNSAT
Problem TDEAD1270 is UNSAT
Problem TDEAD1271 is UNSAT
Problem TDEAD1272 is UNSAT
Problem TDEAD1273 is UNSAT
Problem TDEAD1274 is UNSAT
Problem TDEAD1275 is UNSAT
Problem TDEAD1276 is UNSAT
Problem TDEAD1277 is UNSAT
Problem TDEAD1278 is UNSAT
Problem TDEAD1279 is UNSAT
Problem TDEAD1280 is UNSAT
Problem TDEAD1281 is UNSAT
Problem TDEAD1282 is UNSAT
Problem TDEAD1283 is UNSAT
Problem TDEAD1284 is UNSAT
Problem TDEAD1285 is UNSAT
Problem TDEAD1286 is UNSAT
Problem TDEAD1287 is UNSAT
Problem TDEAD1288 is UNSAT
Problem TDEAD1289 is UNSAT
Problem TDEAD1290 is UNSAT
Problem TDEAD1291 is UNSAT
Problem TDEAD1292 is UNSAT
Problem TDEAD1293 is UNSAT
Problem TDEAD1294 is UNSAT
Problem TDEAD1295 is UNSAT
Problem TDEAD1296 is UNSAT
Problem TDEAD1297 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 135/425 variables, and 7 constraints, problems are : Problem set: 50 solved, 2295 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/135 constraints, ReadFeed: 0/42 constraints, PredecessorRefiner: 2345/142 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 50 solved, 2295 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/135 variables, 5/5 constraints. Problems are: Problem set: 50 solved, 2295 unsolved
Problem TDEAD198 is UNSAT
Problem TDEAD199 is UNSAT
Problem TDEAD200 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD202 is UNSAT
Problem TDEAD203 is UNSAT
Problem TDEAD204 is UNSAT
Problem TDEAD205 is UNSAT
Problem TDEAD206 is UNSAT
Problem TDEAD207 is UNSAT
Problem TDEAD208 is UNSAT
Problem TDEAD209 is UNSAT
Problem TDEAD210 is UNSAT
Problem TDEAD211 is UNSAT
Problem TDEAD212 is UNSAT
Problem TDEAD213 is UNSAT
Problem TDEAD214 is UNSAT
Problem TDEAD215 is UNSAT
Problem TDEAD216 is UNSAT
Problem TDEAD217 is UNSAT
Problem TDEAD218 is UNSAT
Problem TDEAD219 is UNSAT
Problem TDEAD220 is UNSAT
Problem TDEAD221 is UNSAT
Problem TDEAD222 is UNSAT
Problem TDEAD223 is UNSAT
Problem TDEAD224 is UNSAT
Problem TDEAD225 is UNSAT
Problem TDEAD226 is UNSAT
Problem TDEAD227 is UNSAT
Problem TDEAD228 is UNSAT
Problem TDEAD229 is UNSAT
Problem TDEAD230 is UNSAT
Problem TDEAD231 is UNSAT
Problem TDEAD232 is UNSAT
Problem TDEAD233 is UNSAT
Problem TDEAD234 is UNSAT
Problem TDEAD235 is UNSAT
Problem TDEAD236 is UNSAT
Problem TDEAD237 is UNSAT
Problem TDEAD238 is UNSAT
Problem TDEAD239 is UNSAT
Problem TDEAD240 is UNSAT
Problem TDEAD241 is UNSAT
Problem TDEAD242 is UNSAT
Problem TDEAD243 is UNSAT
Problem TDEAD244 is UNSAT
Problem TDEAD245 is UNSAT
Problem TDEAD246 is UNSAT
Problem TDEAD247 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/135 variables, 2/7 constraints. Problems are: Problem set: 100 solved, 2245 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 135/425 variables, and 7 constraints, problems are : Problem set: 100 solved, 2245 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/135 constraints, ReadFeed: 0/42 constraints, PredecessorRefiner: 2153/142 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61821ms problems are : Problem set: 100 solved, 2245 unsolved
Search for dead transitions found 100 dead transitions in 61828ms
Found 100 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 100 transitions
Dead transitions reduction (with SMT) removed 100 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 135/135 places, 2248/2348 transitions.
Applied a total of 0 rules in 153 ms. Remains 135 /135 variables (removed 0) and now considering 2248/2248 (removed 0) transitions.
[2026-05-23 03:22:50] [INFO ] Redundant transitions in 99 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 62554 ms. Remains : 135/135 places, 2248/2348 transitions.
RANDOM walk for 40000 steps (92 resets) in 2615 ms. (15 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (31 resets) in 16152 ms. (2 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 520824 steps, run timeout after 12001 ms. (steps per millisecond=43 ) properties seen :0 out of 1
Probabilistic random walk after 520824 steps, saw 138563 distinct states, run finished after 12001 ms. (steps per millisecond=43 ) properties seen :0
[2026-05-23 03:23:07] [INFO ] Flow matrix only has 288 transitions (discarded 1960 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9199205620250237804.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17994856515153692767.kers'
[2026-05-23 03:23:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9199205620250237804.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17994856515153692767.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 288 rows 135 cols 1343 entries
Finished phase 1 with 130 SingleSign rule and 0 generalized
[2026-05-23 03:23:07] [INFO ] Computed 5 invariants in 3 ms
Computed 5 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-17994856515153692767.kers
Total runtime 3 ms.
[2026-05-23 03:23:07] [INFO ] State equation strengthened by 40 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/135 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/135 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 288/423 variables, 135/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/423 variables, 40/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/423 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/423 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 423/423 variables, and 180 constraints, problems are : Problem set: 0 solved, 1 unsolved in 650 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 135/135 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
At refinement iteration 0 (INCLUDED_ONLY) 0/135 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/135 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/135 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 288/423 variables, 135/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/423 variables, 40/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/423 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/423 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 423/423 variables, and 181 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1157 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 135/135 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1835ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 250 ms.
Support contains 135 out of 135 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 135/135 places, 2248/2248 transitions.
Applied a total of 0 rules in 148 ms. Remains 135 /135 variables (removed 0) and now considering 2248/2248 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 148 ms. Remains : 135/135 places, 2248/2248 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 135/135 places, 2248/2248 transitions.
Applied a total of 0 rules in 135 ms. Remains 135 /135 variables (removed 0) and now considering 2248/2248 (removed 0) transitions.
[2026-05-23 03:23:10] [INFO ] Flow matrix only has 288 transitions (discarded 1960 similar events)
[2026-05-23 03:23:10] [INFO ] Invariant cache hit.
[2026-05-23 03:23:10] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-23 03:23:10] [INFO ] Flow matrix only has 288 transitions (discarded 1960 similar events)
[2026-05-23 03:23:10] [INFO ] Invariant cache hit.
[2026-05-23 03:23:10] [INFO ] State equation strengthened by 40 read => feed constraints.
[2026-05-23 03:23:10] [INFO ] Implicit Places using invariants and state equation in 110 ms returned []
Implicit Place search using SMT with State Equation took 154 ms to find 0 implicit places.
[2026-05-23 03:23:10] [INFO ] Redundant transitions in 49 ms returned []
Running 2245 sub problems to find dead transitions.
[2026-05-23 03:23:10] [INFO ] Flow matrix only has 288 transitions (discarded 1960 similar events)
[2026-05-23 03:23:10] [INFO ] Invariant cache hit.
[2026-05-23 03:23:10] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/135 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2245 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 135/423 variables, and 6 constraints, problems are : Problem set: 0 solved, 2245 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/135 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 2245/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2245 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/135 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2245 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/135 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2245 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 135/423 variables, and 6 constraints, problems are : Problem set: 0 solved, 2245 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 0/135 constraints, ReadFeed: 0/40 constraints, PredecessorRefiner: 2103/142 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61732ms problems are : Problem set: 0 solved, 2245 unsolved
Search for dead transitions found 0 dead transitions in 61737ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62086 ms. Remains : 135/135 places, 2248/2248 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 1960 transitions
Reduce isomorphic transitions removed 1960 transitions.
Iterating post reduction 0 with 1960 rules applied. Total rules applied 1960 place count 135 transition count 288
Applied a total of 1960 rules in 14 ms. Remains 135 /135 variables (removed 0) and now considering 288/2248 (removed 1960) transitions.
Running SMT prover for 1 properties.
[2026-05-23 03:24:12] [INFO ] Invariant cache hit.
[2026-05-23 03:24:12] [INFO ] [Real]Absence check using 5 positive place invariants in 3 ms returned sat
[2026-05-23 03:24:12] [INFO ] After 193ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-23 03:24:12] [INFO ] [Nat]Absence check using 5 positive place invariants in 2 ms returned sat
[2026-05-23 03:24:12] [INFO ] After 200ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 03:24:12] [INFO ] After 339ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 03:24:13] [INFO ] After 617ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-23 03:24:13] [INFO ] Flatten gal took : 29 ms
[2026-05-23 03:24:13] [INFO ] Flatten gal took : 26 ms
[2026-05-23 03:24:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14156812105160284704.gal : 3 ms
[2026-05-23 03:24:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality176759168173113776.prop : 26 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14156812105160284704.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality176759168173113776.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality176759168173113776.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 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
Reachability property BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-09 is true.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 33 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,80,1.47647,138532,2,530,10,3377,6,0,830,1288,0
Total reachable state count : 80

Verifying 1 reachability properties.
Reachability property BridgeAndVehicles-COL-V50P50N20-ReachabilityFireability-2024-09 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-V50P50N20-ReachabilityFireability-2024-09,1,2.73863,143776,2,136,10,3377,7,0,3499,1288,0
Over-approximation ignoring read arcs solved 0 properties in 3777 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-23 03:24:16] [INFO ] Flatten gal took : 63 ms
[2026-05-23 03:24:16] [INFO ] Applying decomposition
[2026-05-23 03:24:16] [INFO ] Flatten gal took : 59 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph14431453890005112947.txt' '-o' '/tmp/graph14431453890005112947.bin' '-w' '/tmp/graph14431453890005112947.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph14431453890005112947.bin' '-l' '-1' '-v' '-w' '/tmp/graph14431453890005112947.weights' '-q' '0' '-e' '0.001'
[2026-05-23 03:24:16] [INFO ] Decomposing Gal with order
[2026-05-23 03:24:16] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 03:24:17] [INFO ] Removed a total of 4571 redundant transitions.
[2026-05-23 03:24:17] [INFO ] Flatten gal took : 836 ms
[2026-05-23 03:24:17] [INFO ] Fuse similar labels procedure discarded/fused a total of 573 labels/synchronizations in 41 ms.
[2026-05-23 03:24:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14761196301050212841.gal : 3 ms
[2026-05-23 03:24:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14230259694768443054.prop : 28 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14761196301050212841.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14230259694768443054.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality14230259694768443054.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1375 after 1627
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5036 after 5137
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :12917 after 13116
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :27148 after 29769
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :94489 after 94829
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :163241 after 169378
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :431420 after 434603
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :993435 after 993990
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.04646e+06 after 2.07044e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.14615e+06 after 5.16991e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.11714e+07 after 1.12805e+07
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :3.18478e+07 after 3.18982e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :7.14141e+07 after 7.15183e+07
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :1.8291e+08 after 1.82988e+08
Detected timeout of ITS tools.
[2026-05-23 03:54:18] [INFO ] Flatten gal took : 57 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin14828078168896371114
[2026-05-23 03:54:18] [INFO ] Too many transitions (2248) to apply POR reductions. Disabling POR matrices.
[2026-05-23 03:54:18] [INFO ] Applying decomposition
[2026-05-23 03:54:18] [INFO ] Built C files in 136ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14828078168896371114
[2026-05-23 03:54:18] [INFO ] Flatten gal took : 106 ms
Running compilation step : cd /tmp/ltsmin14828078168896371114;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '720' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph2959697815890078700.txt' '-o' '/tmp/graph2959697815890078700.bin' '-w' '/tmp/graph2959697815890078700.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph2959697815890078700.bin' '-l' '-1' '-v' '-w' '/tmp/graph2959697815890078700.weights' '-q' '0' '-e' '0.001'
[2026-05-23 03:54:18] [INFO ] Decomposing Gal with order
[2026-05-23 03:54:18] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 03:54:19] [INFO ] Removed a total of 4273 redundant transitions.
[2026-05-23 03:54:19] [INFO ] Flatten gal took : 649 ms
[2026-05-23 03:54:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 473 labels/synchronizations in 28 ms.
[2026-05-23 03:54:19] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability643344569724651309.gal : 4 ms
[2026-05-23 03:54:19] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability273559440381873748.prop : 14 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability643344569724651309.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability273559440381873748.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...305
Loading property file /tmp/ReachabilityFireability273559440381873748.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 16
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :16 after 413
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :413 after 422
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :422 after 1272
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1272 after 2922
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2922 after 4552
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :4552 after 10702
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :10702 after 48398
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :48398 after 101029
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :101029 after 204132
Compilation finished in 9429 ms.
Running link step : cd /tmp/ltsmin14828078168896371114;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 59 ms.
Running LTSmin : cd /tmp/ltsmin14828078168896371114;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '-i' 'BridgeAndVehiclesCOLV50P50N20ReachabilityFireability202409==true'
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :394155 after 676024
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :5.35007e+06 after 7.35297e+06
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :7.8688e+07 after 9.07364e+07
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :1.18889e+08 after 1.33838e+08
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :2.20817e+08 after 2.39442e+08

BK_TIME_CONFINEMENT_REACHED

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="BridgeAndVehicles-COL-V50P50N20"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is BridgeAndVehicles-COL-V50P50N20, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r034-tall-177946841800103"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V50P50N20.tgz
mv BridgeAndVehicles-COL-V50P50N20 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 ;