./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-theta/unwind3-nondet.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for data races
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ea887f-f2c1-46f8-9cfe-b10c747d8531/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ea887f-f2c1-46f8-9cfe-b10c747d8531/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ea887f-f2c1-46f8-9cfe-b10c747d8531/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ea887f-f2c1-46f8-9cfe-b10c747d8531/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-theta/unwind3-nondet.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ea887f-f2c1-46f8-9cfe-b10c747d8531/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ea887f-f2c1-46f8-9cfe-b10c747d8531/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d10f4791070edb44c97ab9948c6a47d7a3edd4f9cb75d429f64896be7b2f789
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 22:38:16,144 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 22:38:16,264 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ea887f-f2c1-46f8-9cfe-b10c747d8531/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-11-23 22:38:16,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 22:38:16,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 22:38:16,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 22:38:16,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 22:38:16,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 22:38:16,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 22:38:16,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 22:38:16,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 22:38:16,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 22:38:16,302 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 22:38:16,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 22:38:16,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 22:38:16,305 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 22:38:16,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 22:38:16,305 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 22:38:16,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 22:38:16,305 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 22:38:16,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 22:38:16,306 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 22:38:16,307 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true
[2024-11-23 22:38:16,307 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 22:38:16,307 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 22:38:16,307 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 22:38:16,307 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 22:38:16,307 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 22:38:16,308 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 22:38:16,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 22:38:16,308 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 22:38:16,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 22:38:16,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 22:38:16,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 22:38:16,308 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 22:38:16,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 22:38:16,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 22:38:16,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 22:38:16,309 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 22:38:16,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 22:38:16,309 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 22:38:16,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 22:38:16,309 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 22:38:16,309 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 22:38:16,311 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 22:38:16,311 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 22:38:16,311 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ea887f-f2c1-46f8-9cfe-b10c747d8531/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d10f4791070edb44c97ab9948c6a47d7a3edd4f9cb75d429f64896be7b2f789
[2024-11-23 22:38:16,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 22:38:16,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 22:38:16,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 22:38:16,723 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 22:38:16,725 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 22:38:16,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ea887f-f2c1-46f8-9cfe-b10c747d8531/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-theta/unwind3-nondet.i
[2024-11-23 22:38:20,318 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ea887f-f2c1-46f8-9cfe-b10c747d8531/bin/uautomizer-verify-LYvppIcaGC/data/0ba0a2382/7bd9051194604faca48d64fae6ba1579/FLAG190f49555
[2024-11-23 22:38:20,730 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 22:38:20,733 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ea887f-f2c1-46f8-9cfe-b10c747d8531/sv-benchmarks/c/pthread-theta/unwind3-nondet.i
[2024-11-23 22:38:20,767 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ea887f-f2c1-46f8-9cfe-b10c747d8531/bin/uautomizer-verify-LYvppIcaGC/data/0ba0a2382/7bd9051194604faca48d64fae6ba1579/FLAG190f49555
[2024-11-23 22:38:20,794 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ea887f-f2c1-46f8-9cfe-b10c747d8531/bin/uautomizer-verify-LYvppIcaGC/data/0ba0a2382/7bd9051194604faca48d64fae6ba1579
[2024-11-23 22:38:20,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 22:38:20,800 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 22:38:20,802 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 22:38:20,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 22:38:20,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 22:38:20,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:38:20" (1/1) ...
[2024-11-23 22:38:20,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c5b8ec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:20, skipping insertion in model container
[2024-11-23 22:38:20,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:38:20" (1/1) ...
[2024-11-23 22:38:20,878 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 22:38:21,327 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 22:38:21,339 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 22:38:21,399 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 22:38:21,464 INFO L204 MainTranslator]: Completed translation
[2024-11-23 22:38:21,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:21 WrapperNode
[2024-11-23 22:38:21,466 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 22:38:21,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 22:38:21,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 22:38:21,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 22:38:21,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:21" (1/1) ...
[2024-11-23 22:38:21,509 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:21" (1/1) ...
[2024-11-23 22:38:21,568 INFO L138 Inliner]: procedures = 169, calls = 11, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 85
[2024-11-23 22:38:21,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 22:38:21,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 22:38:21,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 22:38:21,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 22:38:21,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:21" (1/1) ...
[2024-11-23 22:38:21,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:21" (1/1) ...
[2024-11-23 22:38:21,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:21" (1/1) ...
[2024-11-23 22:38:21,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:21" (1/1) ...
[2024-11-23 22:38:21,618 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:21" (1/1) ...
[2024-11-23 22:38:21,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:21" (1/1) ...
[2024-11-23 22:38:21,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:21" (1/1) ...
[2024-11-23 22:38:21,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:21" (1/1) ...
[2024-11-23 22:38:21,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:21" (1/1) ...
[2024-11-23 22:38:21,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 22:38:21,632 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 22:38:21,632 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 22:38:21,632 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 22:38:21,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:21" (1/1) ...
[2024-11-23 22:38:21,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 22:38:21,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ea887f-f2c1-46f8-9cfe-b10c747d8531/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 22:38:21,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ea887f-f2c1-46f8-9cfe-b10c747d8531/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 22:38:21,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6ea887f-f2c1-46f8-9cfe-b10c747d8531/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 22:38:21,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 22:38:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure f1
[2024-11-23 22:38:21,745 INFO L138 BoogieDeclarations]: Found implementation of procedure f1
[2024-11-23 22:38:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure f2
[2024-11-23 22:38:21,745 INFO L138 BoogieDeclarations]: Found implementation of procedure f2
[2024-11-23 22:38:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-23 22:38:21,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 22:38:21,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 22:38:21,747 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-23 22:38:21,961 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 22:38:21,964 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 22:38:22,225 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-23 22:38:22,226 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 22:38:22,241 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 22:38:22,241 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-23 22:38:22,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:38:22 BoogieIcfgContainer
[2024-11-23 22:38:22,242 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 22:38:22,247 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 22:38:22,247 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 22:38:22,255 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 22:38:22,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:38:20" (1/3) ...
[2024-11-23 22:38:22,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef48960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:38:22, skipping insertion in model container
[2024-11-23 22:38:22,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:38:21" (2/3) ...
[2024-11-23 22:38:22,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef48960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:38:22, skipping insertion in model container
[2024-11-23 22:38:22,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:38:22" (3/3) ...
[2024-11-23 22:38:22,259 INFO L128 eAbstractionObserver]: Analyzing ICFG unwind3-nondet.i
[2024-11-23 22:38:22,280 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 22:38:22,283 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG unwind3-nondet.i that has 3 procedures, 102 locations, 1 initial locations, 2 loop locations, and 6 error locations.
[2024-11-23 22:38:22,284 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-23 22:38:22,385 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:22,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 109 transitions, 226 flow
[2024-11-23 22:38:22,547 INFO L124 PetriNetUnfolderBase]: 12/159 cut-off events.
[2024-11-23 22:38:22,556 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:22,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 159 events. 12/159 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 259 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 96. Up to 4 conditions per place.
[2024-11-23 22:38:22,564 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 109 transitions, 226 flow
[2024-11-23 22:38:22,571 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 93 places, 92 transitions, 191 flow
[2024-11-23 22:38:22,581 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:22,597 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:22,597 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations.
[2024-11-23 22:38:22,606 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:22,606 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:22,607 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:22,607 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:22,608 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:22,608 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-23 22:38:22,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:22,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1038537050, now seen corresponding path program 1 times
[2024-11-23 22:38:22,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:22,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724460224]
[2024-11-23 22:38:22,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:22,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:22,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:22,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:22,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724460224]
[2024-11-23 22:38:22,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724460224] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:22,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:22,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:22,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238872812]
[2024-11-23 22:38:22,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:22,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:22,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:22,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:22,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:23,076 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 109
[2024-11-23 22:38:23,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 92 transitions, 191 flow. Second operand has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:23,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:23,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 109
[2024-11-23 22:38:23,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:23,179 INFO L124 PetriNetUnfolderBase]: 5/127 cut-off events.
[2024-11-23 22:38:23,179 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2024-11-23 22:38:23,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 127 events. 5/127 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 183 event pairs, 2 based on Foata normal form. 3/117 useless extension candidates. Maximal degree in co-relation 96. Up to 20 conditions per place.
[2024-11-23 22:38:23,183 INFO L140 encePairwiseOnDemand]: 103/109 looper letters, 11 selfloop transitions, 2 changer transitions 1/88 dead transitions.
[2024-11-23 22:38:23,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 88 transitions, 209 flow
[2024-11-23 22:38:23,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:23,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:23,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions.
[2024-11-23 22:38:23,206 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8685015290519877
[2024-11-23 22:38:23,209 INFO L175 Difference]: Start difference. First operand has 93 places, 92 transitions, 191 flow. Second operand 3 states and 284 transitions.
[2024-11-23 22:38:23,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 88 transitions, 209 flow
[2024-11-23 22:38:23,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 88 transitions, 208 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:23,226 INFO L231 Difference]: Finished difference. Result has 93 places, 87 transitions, 184 flow
[2024-11-23 22:38:23,232 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=184, PETRI_PLACES=93, PETRI_TRANSITIONS=87}
[2024-11-23 22:38:23,238 INFO L279 CegarLoopForPetriNet]: 93 programPoint places, 0 predicate places.
[2024-11-23 22:38:23,239 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 87 transitions, 184 flow
[2024-11-23 22:38:23,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:23,239 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:23,241 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:23,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 22:38:23,241 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-23 22:38:23,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:23,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1620030706, now seen corresponding path program 1 times
[2024-11-23 22:38:23,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:23,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151164633]
[2024-11-23 22:38:23,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:23,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:23,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:23,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:23,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151164633]
[2024-11-23 22:38:23,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151164633] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:23,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:23,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:23,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405854392]
[2024-11-23 22:38:23,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:23,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:23,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:23,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:23,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:23,368 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 109
[2024-11-23 22:38:23,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 87 transitions, 184 flow. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:23,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:23,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 109
[2024-11-23 22:38:23,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:23,446 INFO L124 PetriNetUnfolderBase]: 3/113 cut-off events.
[2024-11-23 22:38:23,446 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-23 22:38:23,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 113 events. 3/113 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 135 event pairs, 0 based on Foata normal form. 2/110 useless extension candidates. Maximal degree in co-relation 116. Up to 15 conditions per place.
[2024-11-23 22:38:23,450 INFO L140 encePairwiseOnDemand]: 103/109 looper letters, 9 selfloop transitions, 1 changer transitions 24/82 dead transitions.
[2024-11-23 22:38:23,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 82 transitions, 198 flow
[2024-11-23 22:38:23,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:23,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:23,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 272 transitions.
[2024-11-23 22:38:23,460 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8318042813455657
[2024-11-23 22:38:23,460 INFO L175 Difference]: Start difference. First operand has 93 places, 87 transitions, 184 flow. Second operand 3 states and 272 transitions.
[2024-11-23 22:38:23,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 82 transitions, 198 flow
[2024-11-23 22:38:23,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 82 transitions, 194 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:23,463 INFO L231 Difference]: Finished difference. Result has 87 places, 58 transitions, 122 flow
[2024-11-23 22:38:23,466 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=87, PETRI_TRANSITIONS=58}
[2024-11-23 22:38:23,467 INFO L279 CegarLoopForPetriNet]: 93 programPoint places, -6 predicate places.
[2024-11-23 22:38:23,467 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 58 transitions, 122 flow
[2024-11-23 22:38:23,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:23,468 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:23,468 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:23,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 22:38:23,469 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-23 22:38:23,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:23,472 INFO L85 PathProgramCache]: Analyzing trace with hash -170148897, now seen corresponding path program 1 times
[2024-11-23 22:38:23,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:23,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311565117]
[2024-11-23 22:38:23,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:23,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:23,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:23,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:23,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311565117]
[2024-11-23 22:38:23,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311565117] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:23,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:23,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:38:23,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332377078]
[2024-11-23 22:38:23,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:23,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:38:23,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:23,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:38:23,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:38:24,016 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 109
[2024-11-23 22:38:24,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 58 transitions, 122 flow. Second operand has 5 states, 5 states have (on average 90.2) internal successors, (451), 5 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:24,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:24,018 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 109
[2024-11-23 22:38:24,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:24,054 INFO L124 PetriNetUnfolderBase]: 0/78 cut-off events.
[2024-11-23 22:38:24,054 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-23 22:38:24,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 78 events. 0/78 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 39 event pairs, 0 based on Foata normal form. 1/78 useless extension candidates. Maximal degree in co-relation 0. Up to 11 conditions per place.
[2024-11-23 22:38:24,055 INFO L140 encePairwiseOnDemand]: 104/109 looper letters, 9 selfloop transitions, 2 changer transitions 3/60 dead transitions.
[2024-11-23 22:38:24,055 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 60 transitions, 154 flow
[2024-11-23 22:38:24,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:38:24,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:38:24,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 455 transitions.
[2024-11-23 22:38:24,059 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8348623853211009
[2024-11-23 22:38:24,059 INFO L175 Difference]: Start difference. First operand has 87 places, 58 transitions, 122 flow. Second operand 5 states and 455 transitions.
[2024-11-23 22:38:24,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 60 transitions, 154 flow
[2024-11-23 22:38:24,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 60 transitions, 153 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:24,062 INFO L231 Difference]: Finished difference. Result has 67 places, 57 transitions, 127 flow
[2024-11-23 22:38:24,063 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=127, PETRI_PLACES=67, PETRI_TRANSITIONS=57}
[2024-11-23 22:38:24,064 INFO L279 CegarLoopForPetriNet]: 93 programPoint places, -26 predicate places.
[2024-11-23 22:38:24,064 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 57 transitions, 127 flow
[2024-11-23 22:38:24,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 90.2) internal successors, (451), 5 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:24,065 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:24,065 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:24,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 22:38:24,065 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-11-23 22:38:24,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:24,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1245535641, now seen corresponding path program 1 times
[2024-11-23 22:38:24,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:24,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361451068]
[2024-11-23 22:38:24,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:24,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:24,112 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:38:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:24,166 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:38:24,166 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:38:24,167 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining)
[2024-11-23 22:38:24,170 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining)
[2024-11-23 22:38:24,170 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining)
[2024-11-23 22:38:24,170 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining)
[2024-11-23 22:38:24,171 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining)
[2024-11-23 22:38:24,171 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining)
[2024-11-23 22:38:24,171 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 9 remaining)
[2024-11-23 22:38:24,171 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining)
[2024-11-23 22:38:24,171 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining)
[2024-11-23 22:38:24,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-23 22:38:24,172 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:38:24,177 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:38:24,177 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-11-23 22:38:24,292 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:24,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 146 transitions, 312 flow
[2024-11-23 22:38:24,375 INFO L124 PetriNetUnfolderBase]: 17/223 cut-off events.
[2024-11-23 22:38:24,377 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-23 22:38:24,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 223 events. 17/223 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 470 event pairs, 0 based on Foata normal form. 0/193 useless extension candidates. Maximal degree in co-relation 234. Up to 6 conditions per place.
[2024-11-23 22:38:24,378 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 146 transitions, 312 flow
[2024-11-23 22:38:24,381 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 99 transitions, 211 flow
[2024-11-23 22:38:24,384 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:24,385 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:24,385 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2024-11-23 22:38:24,388 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:24,389 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:24,389 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:24,389 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:24,389 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:24,389 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-11-23 22:38:24,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:24,390 INFO L85 PathProgramCache]: Analyzing trace with hash 393609382, now seen corresponding path program 1 times
[2024-11-23 22:38:24,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:24,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220053167]
[2024-11-23 22:38:24,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:24,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:24,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:24,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:24,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220053167]
[2024-11-23 22:38:24,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220053167] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:24,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:24,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:24,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365524494]
[2024-11-23 22:38:24,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:24,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:24,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:24,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:24,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:24,559 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 146
[2024-11-23 22:38:24,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 99 transitions, 211 flow. Second operand has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:24,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:24,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 146
[2024-11-23 22:38:24,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:24,613 INFO L124 PetriNetUnfolderBase]: 7/176 cut-off events.
[2024-11-23 22:38:24,613 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES.
[2024-11-23 22:38:24,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 176 events. 7/176 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 316 event pairs, 3 based on Foata normal form. 4/163 useless extension candidates. Maximal degree in co-relation 153. Up to 27 conditions per place.
[2024-11-23 22:38:24,616 INFO L140 encePairwiseOnDemand]: 140/146 looper letters, 12 selfloop transitions, 2 changer transitions 1/95 dead transitions.
[2024-11-23 22:38:24,617 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 95 transitions, 231 flow
[2024-11-23 22:38:24,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:24,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:24,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 375 transitions.
[2024-11-23 22:38:24,619 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8561643835616438
[2024-11-23 22:38:24,620 INFO L175 Difference]: Start difference. First operand has 102 places, 99 transitions, 211 flow. Second operand 3 states and 375 transitions.
[2024-11-23 22:38:24,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 95 transitions, 231 flow
[2024-11-23 22:38:24,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 95 transitions, 230 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:24,626 INFO L231 Difference]: Finished difference. Result has 102 places, 94 transitions, 204 flow
[2024-11-23 22:38:24,626 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=146, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=102, PETRI_TRANSITIONS=94}
[2024-11-23 22:38:24,628 INFO L279 CegarLoopForPetriNet]: 102 programPoint places, 0 predicate places.
[2024-11-23 22:38:24,628 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 94 transitions, 204 flow
[2024-11-23 22:38:24,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:24,630 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:24,630 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:24,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-23 22:38:24,630 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-11-23 22:38:24,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:24,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1985524110, now seen corresponding path program 1 times
[2024-11-23 22:38:24,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:24,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803177464]
[2024-11-23 22:38:24,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:24,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:24,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:24,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:24,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803177464]
[2024-11-23 22:38:24,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803177464] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:24,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:24,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:24,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817201625]
[2024-11-23 22:38:24,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:24,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:24,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:24,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:24,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:24,741 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 146
[2024-11-23 22:38:24,742 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 94 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:24,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:24,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 146
[2024-11-23 22:38:24,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:24,802 INFO L124 PetriNetUnfolderBase]: 4/157 cut-off events.
[2024-11-23 22:38:24,802 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES.
[2024-11-23 22:38:24,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 157 events. 4/157 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 234 event pairs, 0 based on Foata normal form. 3/153 useless extension candidates. Maximal degree in co-relation 170. Up to 20 conditions per place.
[2024-11-23 22:38:24,803 INFO L140 encePairwiseOnDemand]: 140/146 looper letters, 10 selfloop transitions, 1 changer transitions 24/89 dead transitions.
[2024-11-23 22:38:24,803 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 89 transitions, 220 flow
[2024-11-23 22:38:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:24,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:24,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 357 transitions.
[2024-11-23 22:38:24,808 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.815068493150685
[2024-11-23 22:38:24,808 INFO L175 Difference]: Start difference. First operand has 102 places, 94 transitions, 204 flow. Second operand 3 states and 357 transitions.
[2024-11-23 22:38:24,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 89 transitions, 220 flow
[2024-11-23 22:38:24,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 89 transitions, 216 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:24,813 INFO L231 Difference]: Finished difference. Result has 96 places, 65 transitions, 142 flow
[2024-11-23 22:38:24,814 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=146, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=96, PETRI_TRANSITIONS=65}
[2024-11-23 22:38:24,814 INFO L279 CegarLoopForPetriNet]: 102 programPoint places, -6 predicate places.
[2024-11-23 22:38:24,815 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 65 transitions, 142 flow
[2024-11-23 22:38:24,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:24,815 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:24,817 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:24,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-23 22:38:24,819 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-11-23 22:38:24,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:24,821 INFO L85 PathProgramCache]: Analyzing trace with hash 360577966, now seen corresponding path program 1 times
[2024-11-23 22:38:24,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:24,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108747746]
[2024-11-23 22:38:24,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:24,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:25,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:25,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:25,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108747746]
[2024-11-23 22:38:25,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108747746] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:25,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:25,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:38:25,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350482404]
[2024-11-23 22:38:25,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:25,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:38:25,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:25,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:38:25,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:38:25,126 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 146
[2024-11-23 22:38:25,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 65 transitions, 142 flow. Second operand has 5 states, 5 states have (on average 121.4) internal successors, (607), 5 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:25,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:25,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 146
[2024-11-23 22:38:25,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:25,159 INFO L124 PetriNetUnfolderBase]: 0/98 cut-off events.
[2024-11-23 22:38:25,159 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES.
[2024-11-23 22:38:25,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 98 events. 0/98 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 52 event pairs, 0 based on Foata normal form. 1/98 useless extension candidates. Maximal degree in co-relation 0. Up to 14 conditions per place.
[2024-11-23 22:38:25,160 INFO L140 encePairwiseOnDemand]: 141/146 looper letters, 10 selfloop transitions, 2 changer transitions 3/67 dead transitions.
[2024-11-23 22:38:25,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 67 transitions, 176 flow
[2024-11-23 22:38:25,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:38:25,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:38:25,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 611 transitions.
[2024-11-23 22:38:25,163 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.836986301369863
[2024-11-23 22:38:25,163 INFO L175 Difference]: Start difference. First operand has 96 places, 65 transitions, 142 flow. Second operand 5 states and 611 transitions.
[2024-11-23 22:38:25,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 67 transitions, 176 flow
[2024-11-23 22:38:25,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 67 transitions, 175 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:25,165 INFO L231 Difference]: Finished difference. Result has 76 places, 64 transitions, 147 flow
[2024-11-23 22:38:25,166 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=146, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=147, PETRI_PLACES=76, PETRI_TRANSITIONS=64}
[2024-11-23 22:38:25,167 INFO L279 CegarLoopForPetriNet]: 102 programPoint places, -26 predicate places.
[2024-11-23 22:38:25,167 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 64 transitions, 147 flow
[2024-11-23 22:38:25,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 121.4) internal successors, (607), 5 states have internal predecessors, (607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:25,168 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:25,168 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:25,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-23 22:38:25,168 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-11-23 22:38:25,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:25,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1088130262, now seen corresponding path program 1 times
[2024-11-23 22:38:25,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:25,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866646268]
[2024-11-23 22:38:25,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:25,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:25,200 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:38:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:25,223 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:38:25,224 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:38:25,224 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 10 remaining)
[2024-11-23 22:38:25,224 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining)
[2024-11-23 22:38:25,224 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining)
[2024-11-23 22:38:25,225 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining)
[2024-11-23 22:38:25,225 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining)
[2024-11-23 22:38:25,225 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining)
[2024-11-23 22:38:25,225 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 10 remaining)
[2024-11-23 22:38:25,225 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining)
[2024-11-23 22:38:25,225 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining)
[2024-11-23 22:38:25,225 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining)
[2024-11-23 22:38:25,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-23 22:38:25,226 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:38:25,226 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:38:25,226 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-11-23 22:38:25,274 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:25,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 182 places, 183 transitions, 402 flow
[2024-11-23 22:38:25,329 INFO L124 PetriNetUnfolderBase]: 22/287 cut-off events.
[2024-11-23 22:38:25,329 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES.
[2024-11-23 22:38:25,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 311 conditions, 287 events. 22/287 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 657 event pairs, 0 based on Foata normal form. 0/249 useless extension candidates. Maximal degree in co-relation 304. Up to 8 conditions per place.
[2024-11-23 22:38:25,331 INFO L82 GeneralOperation]: Start removeDead. Operand has 182 places, 183 transitions, 402 flow
[2024-11-23 22:38:25,332 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 106 transitions, 233 flow
[2024-11-23 22:38:25,336 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:25,337 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:25,337 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations.
[2024-11-23 22:38:25,342 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:25,342 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:25,342 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:25,342 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:25,342 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:25,343 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-11-23 22:38:25,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:25,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1776850854, now seen corresponding path program 1 times
[2024-11-23 22:38:25,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:25,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472905680]
[2024-11-23 22:38:25,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:25,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:25,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:25,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:25,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472905680]
[2024-11-23 22:38:25,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472905680] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:25,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:25,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:25,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437394992]
[2024-11-23 22:38:25,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:25,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:25,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:25,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:25,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:25,475 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 183
[2024-11-23 22:38:25,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 106 transitions, 233 flow. Second operand has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:25,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:25,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 183
[2024-11-23 22:38:25,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:25,532 INFO L124 PetriNetUnfolderBase]: 9/225 cut-off events.
[2024-11-23 22:38:25,532 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES.
[2024-11-23 22:38:25,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 225 events. 9/225 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 469 event pairs, 4 based on Foata normal form. 9/213 useless extension candidates. Maximal degree in co-relation 214. Up to 34 conditions per place.
[2024-11-23 22:38:25,534 INFO L140 encePairwiseOnDemand]: 177/183 looper letters, 13 selfloop transitions, 2 changer transitions 1/102 dead transitions.
[2024-11-23 22:38:25,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 102 transitions, 255 flow
[2024-11-23 22:38:25,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:25,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:25,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 466 transitions.
[2024-11-23 22:38:25,539 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.848816029143898
[2024-11-23 22:38:25,539 INFO L175 Difference]: Start difference. First operand has 111 places, 106 transitions, 233 flow. Second operand 3 states and 466 transitions.
[2024-11-23 22:38:25,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 102 transitions, 255 flow
[2024-11-23 22:38:25,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 102 transitions, 252 flow, removed 1 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:25,542 INFO L231 Difference]: Finished difference. Result has 111 places, 101 transitions, 224 flow
[2024-11-23 22:38:25,542 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=111, PETRI_TRANSITIONS=101}
[2024-11-23 22:38:25,543 INFO L279 CegarLoopForPetriNet]: 111 programPoint places, 0 predicate places.
[2024-11-23 22:38:25,543 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 101 transitions, 224 flow
[2024-11-23 22:38:25,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.33333333333334) internal successors, (451), 3 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:25,544 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:25,544 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:25,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-23 22:38:25,544 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-11-23 22:38:25,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:25,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1879196082, now seen corresponding path program 1 times
[2024-11-23 22:38:25,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:25,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94976929]
[2024-11-23 22:38:25,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:25,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:25,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:25,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:25,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94976929]
[2024-11-23 22:38:25,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94976929] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:25,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:25,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:25,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753132657]
[2024-11-23 22:38:25,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:25,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:25,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:25,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:25,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:25,639 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 183
[2024-11-23 22:38:25,640 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 101 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:25,640 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:25,640 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 183
[2024-11-23 22:38:25,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:25,682 INFO L124 PetriNetUnfolderBase]: 5/201 cut-off events.
[2024-11-23 22:38:25,682 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES.
[2024-11-23 22:38:25,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 201 events. 5/201 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 341 event pairs, 0 based on Foata normal form. 4/196 useless extension candidates. Maximal degree in co-relation 224. Up to 25 conditions per place.
[2024-11-23 22:38:25,683 INFO L140 encePairwiseOnDemand]: 177/183 looper letters, 11 selfloop transitions, 1 changer transitions 24/96 dead transitions.
[2024-11-23 22:38:25,684 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 96 transitions, 242 flow
[2024-11-23 22:38:25,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:25,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:25,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 442 transitions.
[2024-11-23 22:38:25,686 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8051001821493625
[2024-11-23 22:38:25,686 INFO L175 Difference]: Start difference. First operand has 111 places, 101 transitions, 224 flow. Second operand 3 states and 442 transitions.
[2024-11-23 22:38:25,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 96 transitions, 242 flow
[2024-11-23 22:38:25,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 96 transitions, 238 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:25,699 INFO L231 Difference]: Finished difference. Result has 105 places, 72 transitions, 162 flow
[2024-11-23 22:38:25,699 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=162, PETRI_PLACES=105, PETRI_TRANSITIONS=72}
[2024-11-23 22:38:25,700 INFO L279 CegarLoopForPetriNet]: 111 programPoint places, -6 predicate places.
[2024-11-23 22:38:25,700 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 72 transitions, 162 flow
[2024-11-23 22:38:25,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:25,700 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:25,701 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:25,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-23 22:38:25,701 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-11-23 22:38:25,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:25,702 INFO L85 PathProgramCache]: Analyzing trace with hash -367865525, now seen corresponding path program 1 times
[2024-11-23 22:38:25,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:25,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577195174]
[2024-11-23 22:38:25,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:25,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:25,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:25,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:25,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577195174]
[2024-11-23 22:38:25,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577195174] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:25,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:25,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:38:25,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52905815]
[2024-11-23 22:38:25,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:25,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:38:25,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:25,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:38:25,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:38:26,057 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 183
[2024-11-23 22:38:26,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 72 transitions, 162 flow. Second operand has 5 states, 5 states have (on average 152.6) internal successors, (763), 5 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:26,059 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:26,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 183
[2024-11-23 22:38:26,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:26,106 INFO L124 PetriNetUnfolderBase]: 0/118 cut-off events.
[2024-11-23 22:38:26,106 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES.
[2024-11-23 22:38:26,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 118 events. 0/118 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 63 event pairs, 0 based on Foata normal form. 1/118 useless extension candidates. Maximal degree in co-relation 0. Up to 17 conditions per place.
[2024-11-23 22:38:26,107 INFO L140 encePairwiseOnDemand]: 178/183 looper letters, 11 selfloop transitions, 2 changer transitions 3/74 dead transitions.
[2024-11-23 22:38:26,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 74 transitions, 198 flow
[2024-11-23 22:38:26,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:38:26,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:38:26,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 767 transitions.
[2024-11-23 22:38:26,110 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8382513661202186
[2024-11-23 22:38:26,110 INFO L175 Difference]: Start difference. First operand has 105 places, 72 transitions, 162 flow. Second operand 5 states and 767 transitions.
[2024-11-23 22:38:26,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 74 transitions, 198 flow
[2024-11-23 22:38:26,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 74 transitions, 197 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:26,112 INFO L231 Difference]: Finished difference. Result has 85 places, 71 transitions, 167 flow
[2024-11-23 22:38:26,113 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=183, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=167, PETRI_PLACES=85, PETRI_TRANSITIONS=71}
[2024-11-23 22:38:26,113 INFO L279 CegarLoopForPetriNet]: 111 programPoint places, -26 predicate places.
[2024-11-23 22:38:26,114 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 71 transitions, 167 flow
[2024-11-23 22:38:26,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 152.6) internal successors, (763), 5 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:26,114 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:26,115 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:26,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-23 22:38:26,115 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-11-23 22:38:26,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:26,116 INFO L85 PathProgramCache]: Analyzing trace with hash 2013043004, now seen corresponding path program 1 times
[2024-11-23 22:38:26,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:26,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770649970]
[2024-11-23 22:38:26,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:26,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:26,153 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:38:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:26,179 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:38:26,180 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:38:26,180 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining)
[2024-11-23 22:38:26,180 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining)
[2024-11-23 22:38:26,180 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining)
[2024-11-23 22:38:26,181 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining)
[2024-11-23 22:38:26,181 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining)
[2024-11-23 22:38:26,181 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining)
[2024-11-23 22:38:26,181 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 11 remaining)
[2024-11-23 22:38:26,181 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining)
[2024-11-23 22:38:26,181 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining)
[2024-11-23 22:38:26,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining)
[2024-11-23 22:38:26,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining)
[2024-11-23 22:38:26,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-23 22:38:26,182 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:38:26,183 WARN L246 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:38:26,183 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances.
[2024-11-23 22:38:26,240 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:26,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 219 places, 220 transitions, 496 flow
[2024-11-23 22:38:26,316 INFO L124 PetriNetUnfolderBase]: 27/351 cut-off events.
[2024-11-23 22:38:26,316 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES.
[2024-11-23 22:38:26,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 384 conditions, 351 events. 27/351 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 859 event pairs, 0 based on Foata normal form. 0/305 useless extension candidates. Maximal degree in co-relation 375. Up to 10 conditions per place.
[2024-11-23 22:38:26,318 INFO L82 GeneralOperation]: Start removeDead. Operand has 219 places, 220 transitions, 496 flow
[2024-11-23 22:38:26,319 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 113 transitions, 257 flow
[2024-11-23 22:38:26,324 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:26,324 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:26,324 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations.
[2024-11-23 22:38:26,328 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:26,329 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:26,329 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:26,329 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:26,329 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:26,329 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2024-11-23 22:38:26,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:26,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1183779930, now seen corresponding path program 1 times
[2024-11-23 22:38:26,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:26,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766537231]
[2024-11-23 22:38:26,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:26,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:26,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:26,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:26,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766537231]
[2024-11-23 22:38:26,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766537231] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:26,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:26,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:26,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086065056]
[2024-11-23 22:38:26,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:26,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:26,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:26,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:26,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:26,435 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 220
[2024-11-23 22:38:26,437 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 113 transitions, 257 flow. Second operand has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:26,437 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:26,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 220
[2024-11-23 22:38:26,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:26,503 INFO L124 PetriNetUnfolderBase]: 11/274 cut-off events.
[2024-11-23 22:38:26,503 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES.
[2024-11-23 22:38:26,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 274 events. 11/274 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 608 event pairs, 5 based on Foata normal form. 11/260 useless extension candidates. Maximal degree in co-relation 276. Up to 41 conditions per place.
[2024-11-23 22:38:26,506 INFO L140 encePairwiseOnDemand]: 214/220 looper letters, 14 selfloop transitions, 2 changer transitions 1/109 dead transitions.
[2024-11-23 22:38:26,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 109 transitions, 281 flow
[2024-11-23 22:38:26,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:26,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:26,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 557 transitions.
[2024-11-23 22:38:26,509 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.843939393939394
[2024-11-23 22:38:26,510 INFO L175 Difference]: Start difference. First operand has 120 places, 113 transitions, 257 flow. Second operand 3 states and 557 transitions.
[2024-11-23 22:38:26,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 109 transitions, 281 flow
[2024-11-23 22:38:26,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 109 transitions, 274 flow, removed 3 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:26,513 INFO L231 Difference]: Finished difference. Result has 120 places, 108 transitions, 244 flow
[2024-11-23 22:38:26,514 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=120, PETRI_TRANSITIONS=108}
[2024-11-23 22:38:26,515 INFO L279 CegarLoopForPetriNet]: 120 programPoint places, 0 predicate places.
[2024-11-23 22:38:26,516 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 108 transitions, 244 flow
[2024-11-23 22:38:26,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:26,517 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:26,517 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:26,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-23 22:38:26,517 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2024-11-23 22:38:26,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:26,518 INFO L85 PathProgramCache]: Analyzing trace with hash -329289394, now seen corresponding path program 1 times
[2024-11-23 22:38:26,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:26,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268074578]
[2024-11-23 22:38:26,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:26,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:26,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:26,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:26,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268074578]
[2024-11-23 22:38:26,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268074578] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:26,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:26,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:26,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668161423]
[2024-11-23 22:38:26,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:26,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:26,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:26,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:26,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:26,607 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 220
[2024-11-23 22:38:26,608 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 108 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:26,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:26,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 220
[2024-11-23 22:38:26,608 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:26,669 INFO L124 PetriNetUnfolderBase]: 6/245 cut-off events.
[2024-11-23 22:38:26,670 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES.
[2024-11-23 22:38:26,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 245 events. 6/245 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 443 event pairs, 0 based on Foata normal form. 5/239 useless extension candidates. Maximal degree in co-relation 278. Up to 30 conditions per place.
[2024-11-23 22:38:26,672 INFO L140 encePairwiseOnDemand]: 214/220 looper letters, 12 selfloop transitions, 1 changer transitions 24/103 dead transitions.
[2024-11-23 22:38:26,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 103 transitions, 264 flow
[2024-11-23 22:38:26,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:26,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:26,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions.
[2024-11-23 22:38:26,674 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7984848484848485
[2024-11-23 22:38:26,674 INFO L175 Difference]: Start difference. First operand has 120 places, 108 transitions, 244 flow. Second operand 3 states and 527 transitions.
[2024-11-23 22:38:26,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 103 transitions, 264 flow
[2024-11-23 22:38:26,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 103 transitions, 260 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:26,678 INFO L231 Difference]: Finished difference. Result has 114 places, 79 transitions, 182 flow
[2024-11-23 22:38:26,678 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=182, PETRI_PLACES=114, PETRI_TRANSITIONS=79}
[2024-11-23 22:38:26,680 INFO L279 CegarLoopForPetriNet]: 120 programPoint places, -6 predicate places.
[2024-11-23 22:38:26,680 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 79 transitions, 182 flow
[2024-11-23 22:38:26,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:26,681 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:26,681 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:26,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-23 22:38:26,681 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2024-11-23 22:38:26,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:26,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1597091030, now seen corresponding path program 1 times
[2024-11-23 22:38:26,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:26,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113130224]
[2024-11-23 22:38:26,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:26,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:26,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:26,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:26,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113130224]
[2024-11-23 22:38:26,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113130224] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:26,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:26,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:38:26,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82240636]
[2024-11-23 22:38:26,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:26,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:38:26,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:26,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:38:26,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:38:26,956 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 220
[2024-11-23 22:38:26,957 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 79 transitions, 182 flow. Second operand has 5 states, 5 states have (on average 183.8) internal successors, (919), 5 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:26,957 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:26,957 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 220
[2024-11-23 22:38:26,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:27,007 INFO L124 PetriNetUnfolderBase]: 0/138 cut-off events.
[2024-11-23 22:38:27,007 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES.
[2024-11-23 22:38:27,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 138 events. 0/138 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 75 event pairs, 0 based on Foata normal form. 1/138 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place.
[2024-11-23 22:38:27,008 INFO L140 encePairwiseOnDemand]: 215/220 looper letters, 12 selfloop transitions, 2 changer transitions 3/81 dead transitions.
[2024-11-23 22:38:27,008 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 81 transitions, 220 flow
[2024-11-23 22:38:27,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:38:27,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:38:27,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 923 transitions.
[2024-11-23 22:38:27,011 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8390909090909091
[2024-11-23 22:38:27,011 INFO L175 Difference]: Start difference. First operand has 114 places, 79 transitions, 182 flow. Second operand 5 states and 923 transitions.
[2024-11-23 22:38:27,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 81 transitions, 220 flow
[2024-11-23 22:38:27,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 81 transitions, 219 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:27,015 INFO L231 Difference]: Finished difference. Result has 94 places, 78 transitions, 187 flow
[2024-11-23 22:38:27,015 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=187, PETRI_PLACES=94, PETRI_TRANSITIONS=78}
[2024-11-23 22:38:27,016 INFO L279 CegarLoopForPetriNet]: 120 programPoint places, -26 predicate places.
[2024-11-23 22:38:27,016 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 78 transitions, 187 flow
[2024-11-23 22:38:27,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 183.8) internal successors, (919), 5 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:27,019 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:27,019 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:27,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-23 22:38:27,019 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2024-11-23 22:38:27,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:27,020 INFO L85 PathProgramCache]: Analyzing trace with hash 908386603, now seen corresponding path program 1 times
[2024-11-23 22:38:27,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:27,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872094505]
[2024-11-23 22:38:27,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:27,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:27,058 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:38:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:27,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:38:27,113 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:38:27,113 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 12 remaining)
[2024-11-23 22:38:27,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining)
[2024-11-23 22:38:27,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining)
[2024-11-23 22:38:27,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining)
[2024-11-23 22:38:27,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining)
[2024-11-23 22:38:27,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining)
[2024-11-23 22:38:27,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 12 remaining)
[2024-11-23 22:38:27,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining)
[2024-11-23 22:38:27,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining)
[2024-11-23 22:38:27,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining)
[2024-11-23 22:38:27,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining)
[2024-11-23 22:38:27,114 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining)
[2024-11-23 22:38:27,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-23 22:38:27,115 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:38:27,115 WARN L246 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:38:27,115 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances.
[2024-11-23 22:38:27,190 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:27,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 256 places, 257 transitions, 594 flow
[2024-11-23 22:38:27,265 INFO L124 PetriNetUnfolderBase]: 32/415 cut-off events.
[2024-11-23 22:38:27,265 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES.
[2024-11-23 22:38:27,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 458 conditions, 415 events. 32/415 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 1036 event pairs, 0 based on Foata normal form. 0/361 useless extension candidates. Maximal degree in co-relation 447. Up to 12 conditions per place.
[2024-11-23 22:38:27,267 INFO L82 GeneralOperation]: Start removeDead. Operand has 256 places, 257 transitions, 594 flow
[2024-11-23 22:38:27,269 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 129 places, 120 transitions, 283 flow
[2024-11-23 22:38:27,270 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:27,270 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:27,270 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations.
[2024-11-23 22:38:27,275 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:27,275 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:27,275 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:27,275 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:27,275 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:27,275 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2024-11-23 22:38:27,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:27,276 INFO L85 PathProgramCache]: Analyzing trace with hash 101651622, now seen corresponding path program 1 times
[2024-11-23 22:38:27,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:27,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302375513]
[2024-11-23 22:38:27,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:27,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:27,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:27,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:27,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302375513]
[2024-11-23 22:38:27,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302375513] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:27,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:27,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:27,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545515777]
[2024-11-23 22:38:27,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:27,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:27,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:27,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:27,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:27,423 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 257
[2024-11-23 22:38:27,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 120 transitions, 283 flow. Second operand has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:27,425 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:27,425 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 257
[2024-11-23 22:38:27,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:27,514 INFO L124 PetriNetUnfolderBase]: 13/323 cut-off events.
[2024-11-23 22:38:27,514 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES.
[2024-11-23 22:38:27,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 412 conditions, 323 events. 13/323 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 749 event pairs, 6 based on Foata normal form. 13/307 useless extension candidates. Maximal degree in co-relation 339. Up to 48 conditions per place.
[2024-11-23 22:38:27,516 INFO L140 encePairwiseOnDemand]: 251/257 looper letters, 15 selfloop transitions, 2 changer transitions 1/116 dead transitions.
[2024-11-23 22:38:27,516 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 116 transitions, 309 flow
[2024-11-23 22:38:27,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:27,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:27,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 648 transitions.
[2024-11-23 22:38:27,518 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8404669260700389
[2024-11-23 22:38:27,519 INFO L175 Difference]: Start difference. First operand has 129 places, 120 transitions, 283 flow. Second operand 3 states and 648 transitions.
[2024-11-23 22:38:27,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 116 transitions, 309 flow
[2024-11-23 22:38:27,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 116 transitions, 296 flow, removed 6 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:27,524 INFO L231 Difference]: Finished difference. Result has 129 places, 115 transitions, 264 flow
[2024-11-23 22:38:27,524 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=264, PETRI_PLACES=129, PETRI_TRANSITIONS=115}
[2024-11-23 22:38:27,525 INFO L279 CegarLoopForPetriNet]: 129 programPoint places, 0 predicate places.
[2024-11-23 22:38:27,525 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 115 transitions, 264 flow
[2024-11-23 22:38:27,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:27,526 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:27,526 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:27,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-23 22:38:27,526 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2024-11-23 22:38:27,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:27,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1954690418, now seen corresponding path program 1 times
[2024-11-23 22:38:27,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:27,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942844070]
[2024-11-23 22:38:27,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:27,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:27,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:27,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:27,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942844070]
[2024-11-23 22:38:27,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942844070] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:27,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:27,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:27,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45393460]
[2024-11-23 22:38:27,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:27,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:27,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:27,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:27,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:27,635 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 257
[2024-11-23 22:38:27,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 115 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 198.0) internal successors, (594), 3 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:27,636 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:27,636 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 257
[2024-11-23 22:38:27,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:27,727 INFO L124 PetriNetUnfolderBase]: 7/289 cut-off events.
[2024-11-23 22:38:27,727 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES.
[2024-11-23 22:38:27,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 361 conditions, 289 events. 7/289 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 546 event pairs, 0 based on Foata normal form. 6/282 useless extension candidates. Maximal degree in co-relation 332. Up to 35 conditions per place.
[2024-11-23 22:38:27,730 INFO L140 encePairwiseOnDemand]: 251/257 looper letters, 13 selfloop transitions, 1 changer transitions 24/110 dead transitions.
[2024-11-23 22:38:27,730 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 110 transitions, 286 flow
[2024-11-23 22:38:27,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:27,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:27,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 612 transitions.
[2024-11-23 22:38:27,733 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7937743190661478
[2024-11-23 22:38:27,733 INFO L175 Difference]: Start difference. First operand has 129 places, 115 transitions, 264 flow. Second operand 3 states and 612 transitions.
[2024-11-23 22:38:27,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 110 transitions, 286 flow
[2024-11-23 22:38:27,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 110 transitions, 282 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:27,737 INFO L231 Difference]: Finished difference. Result has 123 places, 86 transitions, 202 flow
[2024-11-23 22:38:27,738 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=123, PETRI_TRANSITIONS=86}
[2024-11-23 22:38:27,738 INFO L279 CegarLoopForPetriNet]: 129 programPoint places, -6 predicate places.
[2024-11-23 22:38:27,738 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 86 transitions, 202 flow
[2024-11-23 22:38:27,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.0) internal successors, (594), 3 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:27,739 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:27,739 INFO L206 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:27,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-23 22:38:27,740 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2024-11-23 22:38:27,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:27,741 INFO L85 PathProgramCache]: Analyzing trace with hash -466682257, now seen corresponding path program 1 times
[2024-11-23 22:38:27,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:27,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47107169]
[2024-11-23 22:38:27,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:27,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:27,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:27,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:27,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47107169]
[2024-11-23 22:38:27,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47107169] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:27,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:27,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:38:27,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416831576]
[2024-11-23 22:38:27,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:27,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:38:27,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:27,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:38:27,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:38:28,047 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 257
[2024-11-23 22:38:28,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 86 transitions, 202 flow. Second operand has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:28,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:28,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 257
[2024-11-23 22:38:28,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:28,104 INFO L124 PetriNetUnfolderBase]: 0/158 cut-off events.
[2024-11-23 22:38:28,104 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES.
[2024-11-23 22:38:28,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 158 events. 0/158 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 88 event pairs, 0 based on Foata normal form. 1/158 useless extension candidates. Maximal degree in co-relation 0. Up to 23 conditions per place.
[2024-11-23 22:38:28,105 INFO L140 encePairwiseOnDemand]: 252/257 looper letters, 13 selfloop transitions, 2 changer transitions 3/88 dead transitions.
[2024-11-23 22:38:28,105 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 88 transitions, 242 flow
[2024-11-23 22:38:28,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:38:28,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:38:28,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1079 transitions.
[2024-11-23 22:38:28,123 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8396887159533074
[2024-11-23 22:38:28,124 INFO L175 Difference]: Start difference. First operand has 123 places, 86 transitions, 202 flow. Second operand 5 states and 1079 transitions.
[2024-11-23 22:38:28,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 88 transitions, 242 flow
[2024-11-23 22:38:28,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 88 transitions, 241 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:28,126 INFO L231 Difference]: Finished difference. Result has 103 places, 85 transitions, 207 flow
[2024-11-23 22:38:28,126 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=207, PETRI_PLACES=103, PETRI_TRANSITIONS=85}
[2024-11-23 22:38:28,128 INFO L279 CegarLoopForPetriNet]: 129 programPoint places, -26 predicate places.
[2024-11-23 22:38:28,128 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 85 transitions, 207 flow
[2024-11-23 22:38:28,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 215.0) internal successors, (1075), 5 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:28,130 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:28,130 INFO L206 CegarLoopForPetriNet]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:28,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-11-23 22:38:28,130 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2024-11-23 22:38:28,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:28,131 INFO L85 PathProgramCache]: Analyzing trace with hash 686416643, now seen corresponding path program 1 times
[2024-11-23 22:38:28,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:28,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502572473]
[2024-11-23 22:38:28,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:28,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:28,162 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:38:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:28,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:38:28,206 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:38:28,206 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 13 remaining)
[2024-11-23 22:38:28,206 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining)
[2024-11-23 22:38:28,206 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining)
[2024-11-23 22:38:28,206 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining)
[2024-11-23 22:38:28,206 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining)
[2024-11-23 22:38:28,206 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining)
[2024-11-23 22:38:28,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 13 remaining)
[2024-11-23 22:38:28,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining)
[2024-11-23 22:38:28,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining)
[2024-11-23 22:38:28,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining)
[2024-11-23 22:38:28,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining)
[2024-11-23 22:38:28,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining)
[2024-11-23 22:38:28,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining)
[2024-11-23 22:38:28,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-11-23 22:38:28,207 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:38:28,208 WARN L246 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:38:28,208 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances.
[2024-11-23 22:38:28,287 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:28,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 293 places, 294 transitions, 696 flow
[2024-11-23 22:38:28,372 INFO L124 PetriNetUnfolderBase]: 37/479 cut-off events.
[2024-11-23 22:38:28,372 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES.
[2024-11-23 22:38:28,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 533 conditions, 479 events. 37/479 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 1237 event pairs, 0 based on Foata normal form. 0/417 useless extension candidates. Maximal degree in co-relation 520. Up to 14 conditions per place.
[2024-11-23 22:38:28,374 INFO L82 GeneralOperation]: Start removeDead. Operand has 293 places, 294 transitions, 696 flow
[2024-11-23 22:38:28,377 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 138 places, 127 transitions, 311 flow
[2024-11-23 22:38:28,379 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:28,379 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:28,379 INFO L334 AbstractCegarLoop]: Starting to check reachability of 14 error locations.
[2024-11-23 22:38:28,382 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:28,382 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:28,382 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:28,383 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:28,383 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:28,383 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] ===
[2024-11-23 22:38:28,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:28,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1338178214, now seen corresponding path program 1 times
[2024-11-23 22:38:28,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:28,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812138054]
[2024-11-23 22:38:28,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:28,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:28,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:28,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:28,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812138054]
[2024-11-23 22:38:28,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812138054] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:28,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:28,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:28,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912048911]
[2024-11-23 22:38:28,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:28,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:28,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:28,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:28,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:28,489 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 294
[2024-11-23 22:38:28,490 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 127 transitions, 311 flow. Second operand has 3 states, 3 states have (on average 240.33333333333334) internal successors, (721), 3 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:28,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:28,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 294
[2024-11-23 22:38:28,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:28,581 INFO L124 PetriNetUnfolderBase]: 15/372 cut-off events.
[2024-11-23 22:38:28,581 INFO L125 PetriNetUnfolderBase]: For 78/78 co-relation queries the response was YES.
[2024-11-23 22:38:28,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 478 conditions, 372 events. 15/372 cut-off events. For 78/78 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 884 event pairs, 7 based on Foata normal form. 15/354 useless extension candidates. Maximal degree in co-relation 403. Up to 55 conditions per place.
[2024-11-23 22:38:28,584 INFO L140 encePairwiseOnDemand]: 288/294 looper letters, 16 selfloop transitions, 2 changer transitions 1/123 dead transitions.
[2024-11-23 22:38:28,584 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 123 transitions, 339 flow
[2024-11-23 22:38:28,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:28,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:28,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 739 transitions.
[2024-11-23 22:38:28,587 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8378684807256236
[2024-11-23 22:38:28,587 INFO L175 Difference]: Start difference. First operand has 138 places, 127 transitions, 311 flow. Second operand 3 states and 739 transitions.
[2024-11-23 22:38:28,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 123 transitions, 339 flow
[2024-11-23 22:38:28,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 123 transitions, 318 flow, removed 10 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:28,591 INFO L231 Difference]: Finished difference. Result has 138 places, 122 transitions, 284 flow
[2024-11-23 22:38:28,591 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=294, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=284, PETRI_PLACES=138, PETRI_TRANSITIONS=122}
[2024-11-23 22:38:28,591 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, 0 predicate places.
[2024-11-23 22:38:28,591 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 122 transitions, 284 flow
[2024-11-23 22:38:28,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 240.33333333333334) internal successors, (721), 3 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:28,592 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:28,592 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:28,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-11-23 22:38:28,592 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] ===
[2024-11-23 22:38:28,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:28,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1834535438, now seen corresponding path program 1 times
[2024-11-23 22:38:28,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:28,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013163200]
[2024-11-23 22:38:28,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:28,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:28,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:28,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:28,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013163200]
[2024-11-23 22:38:28,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013163200] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:28,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:28,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:28,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902145077]
[2024-11-23 22:38:28,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:28,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:28,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:28,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:28,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:28,679 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 294
[2024-11-23 22:38:28,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 122 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:28,680 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:28,680 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 294
[2024-11-23 22:38:28,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:28,773 INFO L124 PetriNetUnfolderBase]: 8/333 cut-off events.
[2024-11-23 22:38:28,773 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES.
[2024-11-23 22:38:28,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 416 conditions, 333 events. 8/333 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 647 event pairs, 0 based on Foata normal form. 7/325 useless extension candidates. Maximal degree in co-relation 386. Up to 40 conditions per place.
[2024-11-23 22:38:28,775 INFO L140 encePairwiseOnDemand]: 288/294 looper letters, 14 selfloop transitions, 1 changer transitions 24/117 dead transitions.
[2024-11-23 22:38:28,775 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 117 transitions, 308 flow
[2024-11-23 22:38:28,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:28,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:28,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 697 transitions.
[2024-11-23 22:38:28,778 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7902494331065759
[2024-11-23 22:38:28,778 INFO L175 Difference]: Start difference. First operand has 138 places, 122 transitions, 284 flow. Second operand 3 states and 697 transitions.
[2024-11-23 22:38:28,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 117 transitions, 308 flow
[2024-11-23 22:38:28,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 117 transitions, 304 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:28,781 INFO L231 Difference]: Finished difference. Result has 132 places, 93 transitions, 222 flow
[2024-11-23 22:38:28,782 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=294, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=132, PETRI_TRANSITIONS=93}
[2024-11-23 22:38:28,782 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, -6 predicate places.
[2024-11-23 22:38:28,783 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 93 transitions, 222 flow
[2024-11-23 22:38:28,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:28,783 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:28,783 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:28,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-11-23 22:38:28,784 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] ===
[2024-11-23 22:38:28,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:28,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1741960758, now seen corresponding path program 1 times
[2024-11-23 22:38:28,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:28,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42443905]
[2024-11-23 22:38:28,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:28,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:28,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:28,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:28,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42443905]
[2024-11-23 22:38:28,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42443905] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:28,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:28,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:38:28,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495875253]
[2024-11-23 22:38:28,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:28,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:38:28,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:28,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:38:28,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:38:29,047 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 294
[2024-11-23 22:38:29,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 93 transitions, 222 flow. Second operand has 5 states, 5 states have (on average 246.2) internal successors, (1231), 5 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:29,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:29,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 294
[2024-11-23 22:38:29,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:29,107 INFO L124 PetriNetUnfolderBase]: 0/178 cut-off events.
[2024-11-23 22:38:29,107 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES.
[2024-11-23 22:38:29,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 235 conditions, 178 events. 0/178 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 99 event pairs, 0 based on Foata normal form. 1/178 useless extension candidates. Maximal degree in co-relation 0. Up to 26 conditions per place.
[2024-11-23 22:38:29,108 INFO L140 encePairwiseOnDemand]: 289/294 looper letters, 14 selfloop transitions, 2 changer transitions 3/95 dead transitions.
[2024-11-23 22:38:29,108 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 95 transitions, 264 flow
[2024-11-23 22:38:29,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:38:29,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:38:29,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1235 transitions.
[2024-11-23 22:38:29,112 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8401360544217688
[2024-11-23 22:38:29,112 INFO L175 Difference]: Start difference. First operand has 132 places, 93 transitions, 222 flow. Second operand 5 states and 1235 transitions.
[2024-11-23 22:38:29,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 95 transitions, 264 flow
[2024-11-23 22:38:29,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 95 transitions, 263 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:29,115 INFO L231 Difference]: Finished difference. Result has 112 places, 92 transitions, 227 flow
[2024-11-23 22:38:29,115 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=294, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=227, PETRI_PLACES=112, PETRI_TRANSITIONS=92}
[2024-11-23 22:38:29,116 INFO L279 CegarLoopForPetriNet]: 138 programPoint places, -26 predicate places.
[2024-11-23 22:38:29,116 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 92 transitions, 227 flow
[2024-11-23 22:38:29,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 246.2) internal successors, (1231), 5 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:29,117 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:29,117 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:29,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-11-23 22:38:29,118 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] ===
[2024-11-23 22:38:29,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:29,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1524482780, now seen corresponding path program 1 times
[2024-11-23 22:38:29,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:29,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089062651]
[2024-11-23 22:38:29,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:29,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:29,153 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:38:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:29,217 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:38:29,217 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:38:29,217 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 14 remaining)
[2024-11-23 22:38:29,217 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining)
[2024-11-23 22:38:29,217 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 14 remaining)
[2024-11-23 22:38:29,217 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (10 of 14 remaining)
[2024-11-23 22:38:29,217 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining)
[2024-11-23 22:38:29,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 14 remaining)
[2024-11-23 22:38:29,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 14 remaining)
[2024-11-23 22:38:29,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 14 remaining)
[2024-11-23 22:38:29,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining)
[2024-11-23 22:38:29,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining)
[2024-11-23 22:38:29,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining)
[2024-11-23 22:38:29,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining)
[2024-11-23 22:38:29,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining)
[2024-11-23 22:38:29,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining)
[2024-11-23 22:38:29,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-11-23 22:38:29,218 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:38:29,219 WARN L246 ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:38:29,219 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances.
[2024-11-23 22:38:29,302 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:29,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 330 places, 331 transitions, 802 flow
[2024-11-23 22:38:29,390 INFO L124 PetriNetUnfolderBase]: 42/543 cut-off events.
[2024-11-23 22:38:29,390 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES.
[2024-11-23 22:38:29,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 609 conditions, 543 events. 42/543 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 1419 event pairs, 0 based on Foata normal form. 0/473 useless extension candidates. Maximal degree in co-relation 594. Up to 16 conditions per place.
[2024-11-23 22:38:29,392 INFO L82 GeneralOperation]: Start removeDead. Operand has 330 places, 331 transitions, 802 flow
[2024-11-23 22:38:29,394 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 147 places, 134 transitions, 341 flow
[2024-11-23 22:38:29,396 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:29,397 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:29,397 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2024-11-23 22:38:29,399 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:29,399 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:29,399 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:29,399 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:29,399 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:29,400 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] ===
[2024-11-23 22:38:29,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:29,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1769167450, now seen corresponding path program 1 times
[2024-11-23 22:38:29,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:29,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140242453]
[2024-11-23 22:38:29,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:29,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:29,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:29,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:29,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140242453]
[2024-11-23 22:38:29,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140242453] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:29,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:29,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:29,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584154857]
[2024-11-23 22:38:29,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:29,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:29,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:29,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:29,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:29,514 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 269 out of 331
[2024-11-23 22:38:29,515 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 134 transitions, 341 flow. Second operand has 3 states, 3 states have (on average 270.3333333333333) internal successors, (811), 3 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:29,515 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:29,515 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 269 of 331
[2024-11-23 22:38:29,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:29,613 INFO L124 PetriNetUnfolderBase]: 17/421 cut-off events.
[2024-11-23 22:38:29,613 INFO L125 PetriNetUnfolderBase]: For 113/113 co-relation queries the response was YES.
[2024-11-23 22:38:29,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 545 conditions, 421 events. 17/421 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 985 event pairs, 8 based on Foata normal form. 9/393 useless extension candidates. Maximal degree in co-relation 468. Up to 62 conditions per place.
[2024-11-23 22:38:29,617 INFO L140 encePairwiseOnDemand]: 325/331 looper letters, 17 selfloop transitions, 2 changer transitions 1/130 dead transitions.
[2024-11-23 22:38:29,617 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 130 transitions, 371 flow
[2024-11-23 22:38:29,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:29,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:29,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 830 transitions.
[2024-11-23 22:38:29,620 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8358509566968781
[2024-11-23 22:38:29,620 INFO L175 Difference]: Start difference. First operand has 147 places, 134 transitions, 341 flow. Second operand 3 states and 830 transitions.
[2024-11-23 22:38:29,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 130 transitions, 371 flow
[2024-11-23 22:38:29,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 130 transitions, 340 flow, removed 15 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:29,623 INFO L231 Difference]: Finished difference. Result has 147 places, 129 transitions, 304 flow
[2024-11-23 22:38:29,624 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=147, PETRI_TRANSITIONS=129}
[2024-11-23 22:38:29,624 INFO L279 CegarLoopForPetriNet]: 147 programPoint places, 0 predicate places.
[2024-11-23 22:38:29,625 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 129 transitions, 304 flow
[2024-11-23 22:38:29,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 270.3333333333333) internal successors, (811), 3 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:29,625 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:29,625 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:29,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2024-11-23 22:38:29,626 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] ===
[2024-11-23 22:38:29,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:29,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1846513714, now seen corresponding path program 1 times
[2024-11-23 22:38:29,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:29,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721677219]
[2024-11-23 22:38:29,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:29,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:29,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:29,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:29,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721677219]
[2024-11-23 22:38:29,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721677219] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:29,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:29,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:29,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124702339]
[2024-11-23 22:38:29,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:29,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:29,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:29,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:29,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:29,733 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 331
[2024-11-23 22:38:29,734 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 129 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 254.0) internal successors, (762), 3 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:29,734 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:29,734 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 331
[2024-11-23 22:38:29,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:29,833 INFO L124 PetriNetUnfolderBase]: 9/377 cut-off events.
[2024-11-23 22:38:29,833 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES.
[2024-11-23 22:38:29,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 471 conditions, 377 events. 9/377 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 733 event pairs, 0 based on Foata normal form. 8/368 useless extension candidates. Maximal degree in co-relation 440. Up to 45 conditions per place.
[2024-11-23 22:38:29,836 INFO L140 encePairwiseOnDemand]: 325/331 looper letters, 15 selfloop transitions, 1 changer transitions 24/124 dead transitions.
[2024-11-23 22:38:29,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 124 transitions, 330 flow
[2024-11-23 22:38:29,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:29,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:29,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 782 transitions.
[2024-11-23 22:38:29,839 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7875125881168177
[2024-11-23 22:38:29,840 INFO L175 Difference]: Start difference. First operand has 147 places, 129 transitions, 304 flow. Second operand 3 states and 782 transitions.
[2024-11-23 22:38:29,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 124 transitions, 330 flow
[2024-11-23 22:38:29,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 124 transitions, 326 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:29,844 INFO L231 Difference]: Finished difference. Result has 141 places, 100 transitions, 242 flow
[2024-11-23 22:38:29,844 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=141, PETRI_TRANSITIONS=100}
[2024-11-23 22:38:29,844 INFO L279 CegarLoopForPetriNet]: 147 programPoint places, -6 predicate places.
[2024-11-23 22:38:29,845 INFO L471 AbstractCegarLoop]: Abstraction has has 141 places, 100 transitions, 242 flow
[2024-11-23 22:38:29,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 254.0) internal successors, (762), 3 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:29,845 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:29,845 INFO L206 CegarLoopForPetriNet]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:29,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2024-11-23 22:38:29,846 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] ===
[2024-11-23 22:38:29,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:29,847 INFO L85 PathProgramCache]: Analyzing trace with hash -627588021, now seen corresponding path program 1 times
[2024-11-23 22:38:29,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:29,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979322917]
[2024-11-23 22:38:29,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:29,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:30,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:30,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:30,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979322917]
[2024-11-23 22:38:30,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979322917] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:30,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:30,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:38:30,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679698290]
[2024-11-23 22:38:30,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:30,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:38:30,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:30,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:38:30,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:38:30,153 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 331
[2024-11-23 22:38:30,155 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 100 transitions, 242 flow. Second operand has 5 states, 5 states have (on average 277.4) internal successors, (1387), 5 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:30,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:30,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 331
[2024-11-23 22:38:30,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:30,215 INFO L124 PetriNetUnfolderBase]: 0/198 cut-off events.
[2024-11-23 22:38:30,215 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES.
[2024-11-23 22:38:30,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 198 events. 0/198 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 111 event pairs, 0 based on Foata normal form. 1/198 useless extension candidates. Maximal degree in co-relation 0. Up to 29 conditions per place.
[2024-11-23 22:38:30,216 INFO L140 encePairwiseOnDemand]: 326/331 looper letters, 15 selfloop transitions, 2 changer transitions 3/102 dead transitions.
[2024-11-23 22:38:30,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 102 transitions, 286 flow
[2024-11-23 22:38:30,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:38:30,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:38:30,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1391 transitions.
[2024-11-23 22:38:30,221 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8404833836858006
[2024-11-23 22:38:30,221 INFO L175 Difference]: Start difference. First operand has 141 places, 100 transitions, 242 flow. Second operand 5 states and 1391 transitions.
[2024-11-23 22:38:30,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 102 transitions, 286 flow
[2024-11-23 22:38:30,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 102 transitions, 285 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:30,224 INFO L231 Difference]: Finished difference. Result has 121 places, 99 transitions, 247 flow
[2024-11-23 22:38:30,224 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=241, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=247, PETRI_PLACES=121, PETRI_TRANSITIONS=99}
[2024-11-23 22:38:30,225 INFO L279 CegarLoopForPetriNet]: 147 programPoint places, -26 predicate places.
[2024-11-23 22:38:30,225 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 99 transitions, 247 flow
[2024-11-23 22:38:30,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 277.4) internal successors, (1387), 5 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:30,226 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:30,226 INFO L206 CegarLoopForPetriNet]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:30,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2024-11-23 22:38:30,227 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] ===
[2024-11-23 22:38:30,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:30,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1653976558, now seen corresponding path program 1 times
[2024-11-23 22:38:30,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:30,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929835525]
[2024-11-23 22:38:30,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:30,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:30,256 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:38:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:30,289 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:38:30,289 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:38:30,290 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 15 remaining)
[2024-11-23 22:38:30,290 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining)
[2024-11-23 22:38:30,290 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining)
[2024-11-23 22:38:30,290 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining)
[2024-11-23 22:38:30,290 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining)
[2024-11-23 22:38:30,290 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining)
[2024-11-23 22:38:30,290 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2024-11-23 22:38:30,290 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining)
[2024-11-23 22:38:30,290 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining)
[2024-11-23 22:38:30,290 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining)
[2024-11-23 22:38:30,290 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining)
[2024-11-23 22:38:30,291 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining)
[2024-11-23 22:38:30,291 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining)
[2024-11-23 22:38:30,291 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining)
[2024-11-23 22:38:30,291 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining)
[2024-11-23 22:38:30,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2024-11-23 22:38:30,291 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:38:30,292 WARN L246 ceAbstractionStarter]: 7 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:38:30,292 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 8 thread instances.
[2024-11-23 22:38:30,400 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:30,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 367 places, 368 transitions, 912 flow
[2024-11-23 22:38:30,504 INFO L124 PetriNetUnfolderBase]: 47/607 cut-off events.
[2024-11-23 22:38:30,504 INFO L125 PetriNetUnfolderBase]: For 112/112 co-relation queries the response was YES.
[2024-11-23 22:38:30,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 686 conditions, 607 events. 47/607 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 1609 event pairs, 0 based on Foata normal form. 0/529 useless extension candidates. Maximal degree in co-relation 669. Up to 18 conditions per place.
[2024-11-23 22:38:30,507 INFO L82 GeneralOperation]: Start removeDead. Operand has 367 places, 368 transitions, 912 flow
[2024-11-23 22:38:30,511 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 156 places, 141 transitions, 373 flow
[2024-11-23 22:38:30,512 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:30,512 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:30,513 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations.
[2024-11-23 22:38:30,515 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:30,515 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:30,515 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:30,516 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:30,516 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:30,516 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] ===
[2024-11-23 22:38:30,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:30,517 INFO L85 PathProgramCache]: Analyzing trace with hash -630450778, now seen corresponding path program 1 times
[2024-11-23 22:38:30,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:30,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217892136]
[2024-11-23 22:38:30,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:30,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:30,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:30,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:30,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217892136]
[2024-11-23 22:38:30,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217892136] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:30,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:30,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:30,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979308061]
[2024-11-23 22:38:30,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:30,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:30,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:30,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:30,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:30,640 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 368
[2024-11-23 22:38:30,642 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 141 transitions, 373 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:30,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:30,642 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 368
[2024-11-23 22:38:30,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:30,763 INFO L124 PetriNetUnfolderBase]: 19/470 cut-off events.
[2024-11-23 22:38:30,763 INFO L125 PetriNetUnfolderBase]: For 157/157 co-relation queries the response was YES.
[2024-11-23 22:38:30,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 470 events. 19/470 cut-off events. For 157/157 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1120 event pairs, 9 based on Foata normal form. 10/439 useless extension candidates. Maximal degree in co-relation 534. Up to 69 conditions per place.
[2024-11-23 22:38:30,768 INFO L140 encePairwiseOnDemand]: 362/368 looper letters, 18 selfloop transitions, 2 changer transitions 1/137 dead transitions.
[2024-11-23 22:38:30,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 137 transitions, 405 flow
[2024-11-23 22:38:30,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:30,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:30,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 921 transitions.
[2024-11-23 22:38:30,773 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8342391304347826
[2024-11-23 22:38:30,773 INFO L175 Difference]: Start difference. First operand has 156 places, 141 transitions, 373 flow. Second operand 3 states and 921 transitions.
[2024-11-23 22:38:30,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 137 transitions, 405 flow
[2024-11-23 22:38:30,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 137 transitions, 362 flow, removed 21 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:30,778 INFO L231 Difference]: Finished difference. Result has 156 places, 136 transitions, 324 flow
[2024-11-23 22:38:30,779 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=324, PETRI_PLACES=156, PETRI_TRANSITIONS=136}
[2024-11-23 22:38:30,779 INFO L279 CegarLoopForPetriNet]: 156 programPoint places, 0 predicate places.
[2024-11-23 22:38:30,779 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 136 transitions, 324 flow
[2024-11-23 22:38:30,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:30,780 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:30,780 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:30,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-11-23 22:38:30,781 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] ===
[2024-11-23 22:38:30,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:30,781 INFO L85 PathProgramCache]: Analyzing trace with hash -112935986, now seen corresponding path program 1 times
[2024-11-23 22:38:30,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:30,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621167093]
[2024-11-23 22:38:30,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:30,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:30,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:30,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:30,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621167093]
[2024-11-23 22:38:30,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621167093] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:30,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:30,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:30,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629565917]
[2024-11-23 22:38:30,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:30,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:30,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:30,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:30,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:30,869 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 281 out of 368
[2024-11-23 22:38:30,870 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 136 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:30,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:30,871 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 281 of 368
[2024-11-23 22:38:30,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:31,007 INFO L124 PetriNetUnfolderBase]: 10/421 cut-off events.
[2024-11-23 22:38:31,008 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES.
[2024-11-23 22:38:31,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 526 conditions, 421 events. 10/421 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 834 event pairs, 0 based on Foata normal form. 9/411 useless extension candidates. Maximal degree in co-relation 494. Up to 50 conditions per place.
[2024-11-23 22:38:31,010 INFO L140 encePairwiseOnDemand]: 362/368 looper letters, 16 selfloop transitions, 1 changer transitions 24/131 dead transitions.
[2024-11-23 22:38:31,010 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 131 transitions, 352 flow
[2024-11-23 22:38:31,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:31,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:31,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 867 transitions.
[2024-11-23 22:38:31,013 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7853260869565217
[2024-11-23 22:38:31,013 INFO L175 Difference]: Start difference. First operand has 156 places, 136 transitions, 324 flow. Second operand 3 states and 867 transitions.
[2024-11-23 22:38:31,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 131 transitions, 352 flow
[2024-11-23 22:38:31,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 131 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:31,016 INFO L231 Difference]: Finished difference. Result has 150 places, 107 transitions, 262 flow
[2024-11-23 22:38:31,017 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=262, PETRI_PLACES=150, PETRI_TRANSITIONS=107}
[2024-11-23 22:38:31,017 INFO L279 CegarLoopForPetriNet]: 156 programPoint places, -6 predicate places.
[2024-11-23 22:38:31,017 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 107 transitions, 262 flow
[2024-11-23 22:38:31,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 282.0) internal successors, (846), 3 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:31,018 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:31,018 INFO L206 CegarLoopForPetriNet]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:31,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2024-11-23 22:38:31,018 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] ===
[2024-11-23 22:38:31,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:31,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1756030770, now seen corresponding path program 1 times
[2024-11-23 22:38:31,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:31,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554483179]
[2024-11-23 22:38:31,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:31,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:31,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:31,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:31,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554483179]
[2024-11-23 22:38:31,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554483179] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:31,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:31,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:38:31,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575219323]
[2024-11-23 22:38:31,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:31,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:38:31,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:31,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:38:31,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:38:31,300 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 368
[2024-11-23 22:38:31,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 107 transitions, 262 flow. Second operand has 5 states, 5 states have (on average 308.6) internal successors, (1543), 5 states have internal predecessors, (1543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:31,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:31,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 368
[2024-11-23 22:38:31,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:31,374 INFO L124 PetriNetUnfolderBase]: 0/218 cut-off events.
[2024-11-23 22:38:31,374 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES.
[2024-11-23 22:38:31,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 218 events. 0/218 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 124 event pairs, 0 based on Foata normal form. 1/218 useless extension candidates. Maximal degree in co-relation 0. Up to 32 conditions per place.
[2024-11-23 22:38:31,375 INFO L140 encePairwiseOnDemand]: 363/368 looper letters, 16 selfloop transitions, 2 changer transitions 3/109 dead transitions.
[2024-11-23 22:38:31,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 109 transitions, 308 flow
[2024-11-23 22:38:31,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:38:31,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:38:31,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1547 transitions.
[2024-11-23 22:38:31,380 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8407608695652173
[2024-11-23 22:38:31,380 INFO L175 Difference]: Start difference. First operand has 150 places, 107 transitions, 262 flow. Second operand 5 states and 1547 transitions.
[2024-11-23 22:38:31,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 109 transitions, 308 flow
[2024-11-23 22:38:31,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 109 transitions, 307 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:31,384 INFO L231 Difference]: Finished difference. Result has 130 places, 106 transitions, 267 flow
[2024-11-23 22:38:31,384 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=368, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=267, PETRI_PLACES=130, PETRI_TRANSITIONS=106}
[2024-11-23 22:38:31,385 INFO L279 CegarLoopForPetriNet]: 156 programPoint places, -26 predicate places.
[2024-11-23 22:38:31,385 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 106 transitions, 267 flow
[2024-11-23 22:38:31,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 308.6) internal successors, (1543), 5 states have internal predecessors, (1543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:31,387 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:31,387 INFO L206 CegarLoopForPetriNet]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:31,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2024-11-23 22:38:31,387 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] ===
[2024-11-23 22:38:31,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:31,388 INFO L85 PathProgramCache]: Analyzing trace with hash -752020543, now seen corresponding path program 1 times
[2024-11-23 22:38:31,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:31,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720374342]
[2024-11-23 22:38:31,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:31,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:31,421 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:38:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:31,485 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:38:31,486 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:38:31,486 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 16 remaining)
[2024-11-23 22:38:31,486 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 16 remaining)
[2024-11-23 22:38:31,486 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 16 remaining)
[2024-11-23 22:38:31,486 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 16 remaining)
[2024-11-23 22:38:31,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 16 remaining)
[2024-11-23 22:38:31,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (10 of 16 remaining)
[2024-11-23 22:38:31,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 16 remaining)
[2024-11-23 22:38:31,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 16 remaining)
[2024-11-23 22:38:31,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 16 remaining)
[2024-11-23 22:38:31,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 16 remaining)
[2024-11-23 22:38:31,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 16 remaining)
[2024-11-23 22:38:31,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 16 remaining)
[2024-11-23 22:38:31,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 16 remaining)
[2024-11-23 22:38:31,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 16 remaining)
[2024-11-23 22:38:31,487 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 16 remaining)
[2024-11-23 22:38:31,488 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 16 remaining)
[2024-11-23 22:38:31,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2024-11-23 22:38:31,488 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:38:31,488 WARN L246 ceAbstractionStarter]: 8 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:38:31,488 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 9 thread instances.
[2024-11-23 22:38:31,572 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:31,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 404 places, 405 transitions, 1026 flow
[2024-11-23 22:38:31,690 INFO L124 PetriNetUnfolderBase]: 52/671 cut-off events.
[2024-11-23 22:38:31,690 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES.
[2024-11-23 22:38:31,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 764 conditions, 671 events. 52/671 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 1786 event pairs, 0 based on Foata normal form. 0/585 useless extension candidates. Maximal degree in co-relation 745. Up to 20 conditions per place.
[2024-11-23 22:38:31,694 INFO L82 GeneralOperation]: Start removeDead. Operand has 404 places, 405 transitions, 1026 flow
[2024-11-23 22:38:31,697 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 165 places, 148 transitions, 407 flow
[2024-11-23 22:38:31,698 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:31,699 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:31,699 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations.
[2024-11-23 22:38:31,701 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:31,701 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:31,701 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:31,701 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:31,701 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:31,702 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] ===
[2024-11-23 22:38:31,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:31,702 INFO L85 PathProgramCache]: Analyzing trace with hash 459360934, now seen corresponding path program 1 times
[2024-11-23 22:38:31,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:31,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377079605]
[2024-11-23 22:38:31,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:31,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:31,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:31,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:31,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377079605]
[2024-11-23 22:38:31,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377079605] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:31,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:31,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:31,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851680426]
[2024-11-23 22:38:31,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:31,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:31,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:31,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:31,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:31,826 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 405
[2024-11-23 22:38:31,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 148 transitions, 407 flow. Second operand has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:31,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:31,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 405
[2024-11-23 22:38:31,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:31,985 INFO L124 PetriNetUnfolderBase]: 21/519 cut-off events.
[2024-11-23 22:38:31,985 INFO L125 PetriNetUnfolderBase]: For 211/211 co-relation queries the response was YES.
[2024-11-23 22:38:31,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 682 conditions, 519 events. 21/519 cut-off events. For 211/211 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1254 event pairs, 10 based on Foata normal form. 11/485 useless extension candidates. Maximal degree in co-relation 601. Up to 76 conditions per place.
[2024-11-23 22:38:31,989 INFO L140 encePairwiseOnDemand]: 399/405 looper letters, 19 selfloop transitions, 2 changer transitions 1/144 dead transitions.
[2024-11-23 22:38:31,989 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 144 transitions, 441 flow
[2024-11-23 22:38:31,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:31,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:31,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1012 transitions.
[2024-11-23 22:38:31,992 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8329218106995885
[2024-11-23 22:38:31,992 INFO L175 Difference]: Start difference. First operand has 165 places, 148 transitions, 407 flow. Second operand 3 states and 1012 transitions.
[2024-11-23 22:38:31,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 144 transitions, 441 flow
[2024-11-23 22:38:31,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 144 transitions, 384 flow, removed 28 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:32,000 INFO L231 Difference]: Finished difference. Result has 165 places, 143 transitions, 344 flow
[2024-11-23 22:38:32,000 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=405, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=165, PETRI_TRANSITIONS=143}
[2024-11-23 22:38:32,001 INFO L279 CegarLoopForPetriNet]: 165 programPoint places, 0 predicate places.
[2024-11-23 22:38:32,001 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 143 transitions, 344 flow
[2024-11-23 22:38:32,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 330.3333333333333) internal successors, (991), 3 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:32,001 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:32,002 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:32,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2024-11-23 22:38:32,002 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] ===
[2024-11-23 22:38:32,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:32,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1554665970, now seen corresponding path program 1 times
[2024-11-23 22:38:32,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:32,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657914863]
[2024-11-23 22:38:32,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:32,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:32,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:32,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:32,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657914863]
[2024-11-23 22:38:32,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657914863] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:32,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:32,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:32,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098116044]
[2024-11-23 22:38:32,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:32,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:32,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:32,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:32,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:32,099 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 405
[2024-11-23 22:38:32,100 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 143 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 310.0) internal successors, (930), 3 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:32,100 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:32,100 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 405
[2024-11-23 22:38:32,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:32,233 INFO L124 PetriNetUnfolderBase]: 11/465 cut-off events.
[2024-11-23 22:38:32,233 INFO L125 PetriNetUnfolderBase]: For 62/62 co-relation queries the response was YES.
[2024-11-23 22:38:32,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 581 conditions, 465 events. 11/465 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 933 event pairs, 0 based on Foata normal form. 10/454 useless extension candidates. Maximal degree in co-relation 548. Up to 55 conditions per place.
[2024-11-23 22:38:32,236 INFO L140 encePairwiseOnDemand]: 399/405 looper letters, 17 selfloop transitions, 1 changer transitions 24/138 dead transitions.
[2024-11-23 22:38:32,237 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 138 transitions, 374 flow
[2024-11-23 22:38:32,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:32,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:32,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions.
[2024-11-23 22:38:32,240 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7835390946502058
[2024-11-23 22:38:32,240 INFO L175 Difference]: Start difference. First operand has 165 places, 143 transitions, 344 flow. Second operand 3 states and 952 transitions.
[2024-11-23 22:38:32,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 138 transitions, 374 flow
[2024-11-23 22:38:32,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 138 transitions, 370 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:32,245 INFO L231 Difference]: Finished difference. Result has 159 places, 114 transitions, 282 flow
[2024-11-23 22:38:32,245 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=405, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=159, PETRI_TRANSITIONS=114}
[2024-11-23 22:38:32,246 INFO L279 CegarLoopForPetriNet]: 165 programPoint places, -6 predicate places.
[2024-11-23 22:38:32,246 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 114 transitions, 282 flow
[2024-11-23 22:38:32,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 310.0) internal successors, (930), 3 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:32,247 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:32,247 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:32,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2024-11-23 22:38:32,247 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] ===
[2024-11-23 22:38:32,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:32,249 INFO L85 PathProgramCache]: Analyzing trace with hash 310682591, now seen corresponding path program 1 times
[2024-11-23 22:38:32,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:32,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339641079]
[2024-11-23 22:38:32,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:32,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:32,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:32,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:32,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339641079]
[2024-11-23 22:38:32,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339641079] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:32,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:32,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:38:32,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663153720]
[2024-11-23 22:38:32,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:32,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:38:32,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:32,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:38:32,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:38:32,572 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 405
[2024-11-23 22:38:32,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 114 transitions, 282 flow. Second operand has 5 states, 5 states have (on average 339.8) internal successors, (1699), 5 states have internal predecessors, (1699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:32,574 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:32,574 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 405
[2024-11-23 22:38:32,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:32,672 INFO L124 PetriNetUnfolderBase]: 0/238 cut-off events.
[2024-11-23 22:38:32,672 INFO L125 PetriNetUnfolderBase]: For 61/61 co-relation queries the response was YES.
[2024-11-23 22:38:32,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 316 conditions, 238 events. 0/238 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 135 event pairs, 0 based on Foata normal form. 1/238 useless extension candidates. Maximal degree in co-relation 0. Up to 35 conditions per place.
[2024-11-23 22:38:32,674 INFO L140 encePairwiseOnDemand]: 400/405 looper letters, 17 selfloop transitions, 2 changer transitions 3/116 dead transitions.
[2024-11-23 22:38:32,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 116 transitions, 330 flow
[2024-11-23 22:38:32,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:38:32,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:38:32,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1703 transitions.
[2024-11-23 22:38:32,679 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8409876543209877
[2024-11-23 22:38:32,679 INFO L175 Difference]: Start difference. First operand has 159 places, 114 transitions, 282 flow. Second operand 5 states and 1703 transitions.
[2024-11-23 22:38:32,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 116 transitions, 330 flow
[2024-11-23 22:38:32,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 116 transitions, 329 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:32,682 INFO L231 Difference]: Finished difference. Result has 139 places, 113 transitions, 287 flow
[2024-11-23 22:38:32,682 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=405, PETRI_DIFFERENCE_MINUEND_FLOW=281, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=287, PETRI_PLACES=139, PETRI_TRANSITIONS=113}
[2024-11-23 22:38:32,683 INFO L279 CegarLoopForPetriNet]: 165 programPoint places, -26 predicate places.
[2024-11-23 22:38:32,683 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 113 transitions, 287 flow
[2024-11-23 22:38:32,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 339.8) internal successors, (1699), 5 states have internal predecessors, (1699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:32,684 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:32,684 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:32,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34
[2024-11-23 22:38:32,684 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] ===
[2024-11-23 22:38:32,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:32,686 INFO L85 PathProgramCache]: Analyzing trace with hash 899837181, now seen corresponding path program 1 times
[2024-11-23 22:38:32,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:32,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561501582]
[2024-11-23 22:38:32,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:32,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:32,718 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:38:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:32,781 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:38:32,781 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:38:32,781 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 17 remaining)
[2024-11-23 22:38:32,781 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining)
[2024-11-23 22:38:32,781 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining)
[2024-11-23 22:38:32,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining)
[2024-11-23 22:38:32,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 17 remaining)
[2024-11-23 22:38:32,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining)
[2024-11-23 22:38:32,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 17 remaining)
[2024-11-23 22:38:32,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining)
[2024-11-23 22:38:32,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining)
[2024-11-23 22:38:32,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining)
[2024-11-23 22:38:32,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining)
[2024-11-23 22:38:32,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining)
[2024-11-23 22:38:32,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining)
[2024-11-23 22:38:32,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining)
[2024-11-23 22:38:32,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining)
[2024-11-23 22:38:32,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining)
[2024-11-23 22:38:32,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining)
[2024-11-23 22:38:32,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35
[2024-11-23 22:38:32,784 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:38:32,784 WARN L246 ceAbstractionStarter]: 9 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:38:32,784 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 10 thread instances.
[2024-11-23 22:38:32,889 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:32,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 441 places, 442 transitions, 1144 flow
[2024-11-23 22:38:33,016 INFO L124 PetriNetUnfolderBase]: 57/735 cut-off events.
[2024-11-23 22:38:33,016 INFO L125 PetriNetUnfolderBase]: For 210/210 co-relation queries the response was YES.
[2024-11-23 22:38:33,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 843 conditions, 735 events. 57/735 cut-off events. For 210/210 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 1994 event pairs, 0 based on Foata normal form. 0/641 useless extension candidates. Maximal degree in co-relation 822. Up to 22 conditions per place.
[2024-11-23 22:38:33,021 INFO L82 GeneralOperation]: Start removeDead. Operand has 441 places, 442 transitions, 1144 flow
[2024-11-23 22:38:33,024 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 174 places, 155 transitions, 443 flow
[2024-11-23 22:38:33,025 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:33,025 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:33,026 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations.
[2024-11-23 22:38:33,028 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:33,028 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:33,028 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:33,028 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:33,028 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:33,029 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2024-11-23 22:38:33,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:33,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1500267686, now seen corresponding path program 1 times
[2024-11-23 22:38:33,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:33,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668132455]
[2024-11-23 22:38:33,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:33,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:33,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:33,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:33,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668132455]
[2024-11-23 22:38:33,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668132455] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:33,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:33,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:33,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076949878]
[2024-11-23 22:38:33,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:33,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:33,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:33,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:33,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:33,151 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 359 out of 442
[2024-11-23 22:38:33,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 155 transitions, 443 flow. Second operand has 3 states, 3 states have (on average 360.3333333333333) internal successors, (1081), 3 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:33,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:33,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 359 of 442
[2024-11-23 22:38:33,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:33,294 INFO L124 PetriNetUnfolderBase]: 23/568 cut-off events.
[2024-11-23 22:38:33,295 INFO L125 PetriNetUnfolderBase]: For 276/276 co-relation queries the response was YES.
[2024-11-23 22:38:33,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 752 conditions, 568 events. 23/568 cut-off events. For 276/276 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 1441 event pairs, 11 based on Foata normal form. 23/542 useless extension candidates. Maximal degree in co-relation 669. Up to 83 conditions per place.
[2024-11-23 22:38:33,300 INFO L140 encePairwiseOnDemand]: 436/442 looper letters, 20 selfloop transitions, 2 changer transitions 1/151 dead transitions.
[2024-11-23 22:38:33,300 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 151 transitions, 479 flow
[2024-11-23 22:38:33,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:33,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:33,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1103 transitions.
[2024-11-23 22:38:33,303 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8318250377073907
[2024-11-23 22:38:33,304 INFO L175 Difference]: Start difference. First operand has 174 places, 155 transitions, 443 flow. Second operand 3 states and 1103 transitions.
[2024-11-23 22:38:33,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 151 transitions, 479 flow
[2024-11-23 22:38:33,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 151 transitions, 406 flow, removed 36 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:33,308 INFO L231 Difference]: Finished difference. Result has 174 places, 150 transitions, 364 flow
[2024-11-23 22:38:33,309 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=364, PETRI_PLACES=174, PETRI_TRANSITIONS=150}
[2024-11-23 22:38:33,309 INFO L279 CegarLoopForPetriNet]: 174 programPoint places, 0 predicate places.
[2024-11-23 22:38:33,310 INFO L471 AbstractCegarLoop]: Abstraction has has 174 places, 150 transitions, 364 flow
[2024-11-23 22:38:33,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 360.3333333333333) internal successors, (1081), 3 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:33,310 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:33,310 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:33,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36
[2024-11-23 22:38:33,311 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2024-11-23 22:38:33,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:33,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1876736370, now seen corresponding path program 1 times
[2024-11-23 22:38:33,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:33,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857604939]
[2024-11-23 22:38:33,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:33,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:33,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:33,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:33,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857604939]
[2024-11-23 22:38:33,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857604939] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:33,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:33,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:33,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691056188]
[2024-11-23 22:38:33,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:33,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:33,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:33,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:33,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:33,413 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 337 out of 442
[2024-11-23 22:38:33,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 150 transitions, 364 flow. Second operand has 3 states, 3 states have (on average 338.0) internal successors, (1014), 3 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:33,415 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:33,415 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 337 of 442
[2024-11-23 22:38:33,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:33,549 INFO L124 PetriNetUnfolderBase]: 12/509 cut-off events.
[2024-11-23 22:38:33,549 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES.
[2024-11-23 22:38:33,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 636 conditions, 509 events. 12/509 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1055 event pairs, 0 based on Foata normal form. 11/497 useless extension candidates. Maximal degree in co-relation 602. Up to 60 conditions per place.
[2024-11-23 22:38:33,552 INFO L140 encePairwiseOnDemand]: 436/442 looper letters, 18 selfloop transitions, 1 changer transitions 24/145 dead transitions.
[2024-11-23 22:38:33,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 145 transitions, 396 flow
[2024-11-23 22:38:33,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:33,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:33,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1037 transitions.
[2024-11-23 22:38:33,555 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.782051282051282
[2024-11-23 22:38:33,555 INFO L175 Difference]: Start difference. First operand has 174 places, 150 transitions, 364 flow. Second operand 3 states and 1037 transitions.
[2024-11-23 22:38:33,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 145 transitions, 396 flow
[2024-11-23 22:38:33,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 145 transitions, 392 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:33,558 INFO L231 Difference]: Finished difference. Result has 168 places, 121 transitions, 302 flow
[2024-11-23 22:38:33,558 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=302, PETRI_PLACES=168, PETRI_TRANSITIONS=121}
[2024-11-23 22:38:33,560 INFO L279 CegarLoopForPetriNet]: 174 programPoint places, -6 predicate places.
[2024-11-23 22:38:33,560 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 121 transitions, 302 flow
[2024-11-23 22:38:33,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 338.0) internal successors, (1014), 3 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:33,561 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:33,561 INFO L206 CegarLoopForPetriNet]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:33,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37
[2024-11-23 22:38:33,561 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2024-11-23 22:38:33,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:33,563 INFO L85 PathProgramCache]: Analyzing trace with hash 804509086, now seen corresponding path program 1 times
[2024-11-23 22:38:33,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:33,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870032060]
[2024-11-23 22:38:33,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:33,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:33,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:33,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:33,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870032060]
[2024-11-23 22:38:33,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870032060] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:33,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:33,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:38:33,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857263862]
[2024-11-23 22:38:33,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:33,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:38:33,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:33,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:38:33,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:38:33,827 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 442
[2024-11-23 22:38:33,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 121 transitions, 302 flow. Second operand has 5 states, 5 states have (on average 371.0) internal successors, (1855), 5 states have internal predecessors, (1855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:33,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:33,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 442
[2024-11-23 22:38:33,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:33,915 INFO L124 PetriNetUnfolderBase]: 0/258 cut-off events.
[2024-11-23 22:38:33,916 INFO L125 PetriNetUnfolderBase]: For 73/73 co-relation queries the response was YES.
[2024-11-23 22:38:33,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 343 conditions, 258 events. 0/258 cut-off events. For 73/73 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 147 event pairs, 0 based on Foata normal form. 1/258 useless extension candidates. Maximal degree in co-relation 0. Up to 38 conditions per place.
[2024-11-23 22:38:33,917 INFO L140 encePairwiseOnDemand]: 437/442 looper letters, 18 selfloop transitions, 2 changer transitions 3/123 dead transitions.
[2024-11-23 22:38:33,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 123 transitions, 352 flow
[2024-11-23 22:38:33,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:38:33,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:38:33,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1859 transitions.
[2024-11-23 22:38:33,921 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8411764705882353
[2024-11-23 22:38:33,921 INFO L175 Difference]: Start difference. First operand has 168 places, 121 transitions, 302 flow. Second operand 5 states and 1859 transitions.
[2024-11-23 22:38:33,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 123 transitions, 352 flow
[2024-11-23 22:38:33,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 123 transitions, 351 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:33,925 INFO L231 Difference]: Finished difference. Result has 148 places, 120 transitions, 307 flow
[2024-11-23 22:38:33,925 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=442, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=307, PETRI_PLACES=148, PETRI_TRANSITIONS=120}
[2024-11-23 22:38:33,926 INFO L279 CegarLoopForPetriNet]: 174 programPoint places, -26 predicate places.
[2024-11-23 22:38:33,926 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 120 transitions, 307 flow
[2024-11-23 22:38:33,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 371.0) internal successors, (1855), 5 states have internal predecessors, (1855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:33,927 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:33,927 INFO L206 CegarLoopForPetriNet]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:33,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38
[2024-11-23 22:38:33,928 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] ===
[2024-11-23 22:38:33,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:33,929 INFO L85 PathProgramCache]: Analyzing trace with hash -2085562366, now seen corresponding path program 1 times
[2024-11-23 22:38:33,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:33,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120965997]
[2024-11-23 22:38:33,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:33,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:33,964 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:38:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:34,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:38:34,008 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:38:34,008 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 18 remaining)
[2024-11-23 22:38:34,009 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 18 remaining)
[2024-11-23 22:38:34,009 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 18 remaining)
[2024-11-23 22:38:34,009 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 18 remaining)
[2024-11-23 22:38:34,009 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 18 remaining)
[2024-11-23 22:38:34,009 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (12 of 18 remaining)
[2024-11-23 22:38:34,009 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 18 remaining)
[2024-11-23 22:38:34,009 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 18 remaining)
[2024-11-23 22:38:34,009 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 18 remaining)
[2024-11-23 22:38:34,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 18 remaining)
[2024-11-23 22:38:34,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 18 remaining)
[2024-11-23 22:38:34,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 18 remaining)
[2024-11-23 22:38:34,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 18 remaining)
[2024-11-23 22:38:34,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 18 remaining)
[2024-11-23 22:38:34,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 18 remaining)
[2024-11-23 22:38:34,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 18 remaining)
[2024-11-23 22:38:34,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 18 remaining)
[2024-11-23 22:38:34,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 18 remaining)
[2024-11-23 22:38:34,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39
[2024-11-23 22:38:34,010 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:38:34,011 WARN L246 ceAbstractionStarter]: 10 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:38:34,011 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 11 thread instances.
[2024-11-23 22:38:34,166 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:34,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 478 places, 479 transitions, 1266 flow
[2024-11-23 22:38:34,323 INFO L124 PetriNetUnfolderBase]: 62/799 cut-off events.
[2024-11-23 22:38:34,324 INFO L125 PetriNetUnfolderBase]: For 275/275 co-relation queries the response was YES.
[2024-11-23 22:38:34,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 923 conditions, 799 events. 62/799 cut-off events. For 275/275 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 2217 event pairs, 0 based on Foata normal form. 0/697 useless extension candidates. Maximal degree in co-relation 900. Up to 24 conditions per place.
[2024-11-23 22:38:34,330 INFO L82 GeneralOperation]: Start removeDead. Operand has 478 places, 479 transitions, 1266 flow
[2024-11-23 22:38:34,333 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 183 places, 162 transitions, 481 flow
[2024-11-23 22:38:34,334 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:34,335 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:34,335 INFO L334 AbstractCegarLoop]: Starting to check reachability of 19 error locations.
[2024-11-23 22:38:34,337 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:34,337 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:34,337 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:34,337 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:34,337 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:34,338 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 16 more)] ===
[2024-11-23 22:38:34,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:34,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1802697818, now seen corresponding path program 1 times
[2024-11-23 22:38:34,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:34,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829482508]
[2024-11-23 22:38:34,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:34,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:34,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:34,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:34,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829482508]
[2024-11-23 22:38:34,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829482508] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:34,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:34,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:34,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957123608]
[2024-11-23 22:38:34,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:34,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:34,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:34,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:34,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:34,478 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 389 out of 479
[2024-11-23 22:38:34,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 162 transitions, 481 flow. Second operand has 3 states, 3 states have (on average 390.3333333333333) internal successors, (1171), 3 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:34,480 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:34,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 389 of 479
[2024-11-23 22:38:34,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:34,649 INFO L124 PetriNetUnfolderBase]: 25/617 cut-off events.
[2024-11-23 22:38:34,650 INFO L125 PetriNetUnfolderBase]: For 353/353 co-relation queries the response was YES.
[2024-11-23 22:38:34,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 823 conditions, 617 events. 25/617 cut-off events. For 353/353 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1520 event pairs, 12 based on Foata normal form. 13/577 useless extension candidates. Maximal degree in co-relation 738. Up to 90 conditions per place.
[2024-11-23 22:38:34,656 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 21 selfloop transitions, 2 changer transitions 1/158 dead transitions.
[2024-11-23 22:38:34,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 158 transitions, 519 flow
[2024-11-23 22:38:34,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:34,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:34,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1194 transitions.
[2024-11-23 22:38:34,660 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8308977035490606
[2024-11-23 22:38:34,660 INFO L175 Difference]: Start difference. First operand has 183 places, 162 transitions, 481 flow. Second operand 3 states and 1194 transitions.
[2024-11-23 22:38:34,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 158 transitions, 519 flow
[2024-11-23 22:38:34,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 158 transitions, 428 flow, removed 45 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:34,665 INFO L231 Difference]: Finished difference. Result has 183 places, 157 transitions, 384 flow
[2024-11-23 22:38:34,666 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=384, PETRI_PLACES=183, PETRI_TRANSITIONS=157}
[2024-11-23 22:38:34,666 INFO L279 CegarLoopForPetriNet]: 183 programPoint places, 0 predicate places.
[2024-11-23 22:38:34,667 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 157 transitions, 384 flow
[2024-11-23 22:38:34,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 390.3333333333333) internal successors, (1171), 3 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:34,667 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:34,668 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:34,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40
[2024-11-23 22:38:34,668 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 16 more)] ===
[2024-11-23 22:38:34,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:34,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1079147186, now seen corresponding path program 1 times
[2024-11-23 22:38:34,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:34,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303655932]
[2024-11-23 22:38:34,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:34,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:34,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:34,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:34,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303655932]
[2024-11-23 22:38:34,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303655932] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:34,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:34,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:34,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051452982]
[2024-11-23 22:38:34,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:34,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:34,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:34,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:34,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:34,787 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 479
[2024-11-23 22:38:34,789 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 157 transitions, 384 flow. Second operand has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:34,789 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:34,789 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 479
[2024-11-23 22:38:34,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:34,985 INFO L124 PetriNetUnfolderBase]: 13/553 cut-off events.
[2024-11-23 22:38:34,985 INFO L125 PetriNetUnfolderBase]: For 87/87 co-relation queries the response was YES.
[2024-11-23 22:38:34,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 691 conditions, 553 events. 13/553 cut-off events. For 87/87 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1134 event pairs, 0 based on Foata normal form. 12/540 useless extension candidates. Maximal degree in co-relation 656. Up to 65 conditions per place.
[2024-11-23 22:38:34,990 INFO L140 encePairwiseOnDemand]: 473/479 looper letters, 19 selfloop transitions, 1 changer transitions 24/152 dead transitions.
[2024-11-23 22:38:34,990 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 152 transitions, 418 flow
[2024-11-23 22:38:34,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:34,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:34,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1122 transitions.
[2024-11-23 22:38:34,995 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7807933194154488
[2024-11-23 22:38:34,995 INFO L175 Difference]: Start difference. First operand has 183 places, 157 transitions, 384 flow. Second operand 3 states and 1122 transitions.
[2024-11-23 22:38:34,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 152 transitions, 418 flow
[2024-11-23 22:38:34,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 152 transitions, 414 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:35,000 INFO L231 Difference]: Finished difference. Result has 177 places, 128 transitions, 322 flow
[2024-11-23 22:38:35,001 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=177, PETRI_TRANSITIONS=128}
[2024-11-23 22:38:35,001 INFO L279 CegarLoopForPetriNet]: 183 programPoint places, -6 predicate places.
[2024-11-23 22:38:35,002 INFO L471 AbstractCegarLoop]: Abstraction has has 177 places, 128 transitions, 322 flow
[2024-11-23 22:38:35,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:35,002 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:35,003 INFO L206 CegarLoopForPetriNet]: trace histogram [12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:35,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41
[2024-11-23 22:38:35,003 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 16 more)] ===
[2024-11-23 22:38:35,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:35,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1627578837, now seen corresponding path program 1 times
[2024-11-23 22:38:35,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:35,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263912795]
[2024-11-23 22:38:35,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:35,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:35,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:35,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:35,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263912795]
[2024-11-23 22:38:35,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263912795] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:35,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:35,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:38:35,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771401644]
[2024-11-23 22:38:35,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:35,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:38:35,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:35,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:38:35,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:38:35,409 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 479
[2024-11-23 22:38:35,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 128 transitions, 322 flow. Second operand has 5 states, 5 states have (on average 402.2) internal successors, (2011), 5 states have internal predecessors, (2011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:35,413 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:35,413 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 479
[2024-11-23 22:38:35,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:35,541 INFO L124 PetriNetUnfolderBase]: 0/278 cut-off events.
[2024-11-23 22:38:35,542 INFO L125 PetriNetUnfolderBase]: For 86/86 co-relation queries the response was YES.
[2024-11-23 22:38:35,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 370 conditions, 278 events. 0/278 cut-off events. For 86/86 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 160 event pairs, 0 based on Foata normal form. 1/278 useless extension candidates. Maximal degree in co-relation 0. Up to 41 conditions per place.
[2024-11-23 22:38:35,543 INFO L140 encePairwiseOnDemand]: 474/479 looper letters, 19 selfloop transitions, 2 changer transitions 3/130 dead transitions.
[2024-11-23 22:38:35,543 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 130 transitions, 374 flow
[2024-11-23 22:38:35,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:38:35,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:38:35,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2015 transitions.
[2024-11-23 22:38:35,548 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8413361169102297
[2024-11-23 22:38:35,548 INFO L175 Difference]: Start difference. First operand has 177 places, 128 transitions, 322 flow. Second operand 5 states and 2015 transitions.
[2024-11-23 22:38:35,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 130 transitions, 374 flow
[2024-11-23 22:38:35,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 130 transitions, 373 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:35,552 INFO L231 Difference]: Finished difference. Result has 157 places, 127 transitions, 327 flow
[2024-11-23 22:38:35,552 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=327, PETRI_PLACES=157, PETRI_TRANSITIONS=127}
[2024-11-23 22:38:35,553 INFO L279 CegarLoopForPetriNet]: 183 programPoint places, -26 predicate places.
[2024-11-23 22:38:35,553 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 127 transitions, 327 flow
[2024-11-23 22:38:35,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 402.2) internal successors, (2011), 5 states have internal predecessors, (2011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:35,554 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:35,555 INFO L206 CegarLoopForPetriNet]: trace histogram [12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:35,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42
[2024-11-23 22:38:35,555 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 16 more)] ===
[2024-11-23 22:38:35,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:35,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1539609392, now seen corresponding path program 1 times
[2024-11-23 22:38:35,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:35,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470406596]
[2024-11-23 22:38:35,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:35,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:35,595 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:38:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:35,655 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:38:35,655 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:38:35,655 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 19 remaining)
[2024-11-23 22:38:35,656 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 19 remaining)
[2024-11-23 22:38:35,656 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 19 remaining)
[2024-11-23 22:38:35,656 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 19 remaining)
[2024-11-23 22:38:35,656 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 19 remaining)
[2024-11-23 22:38:35,656 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 19 remaining)
[2024-11-23 22:38:35,656 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 19 remaining)
[2024-11-23 22:38:35,656 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 19 remaining)
[2024-11-23 22:38:35,656 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 19 remaining)
[2024-11-23 22:38:35,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 19 remaining)
[2024-11-23 22:38:35,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 19 remaining)
[2024-11-23 22:38:35,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 19 remaining)
[2024-11-23 22:38:35,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 19 remaining)
[2024-11-23 22:38:35,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 19 remaining)
[2024-11-23 22:38:35,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 19 remaining)
[2024-11-23 22:38:35,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 19 remaining)
[2024-11-23 22:38:35,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 19 remaining)
[2024-11-23 22:38:35,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 19 remaining)
[2024-11-23 22:38:35,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 19 remaining)
[2024-11-23 22:38:35,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43
[2024-11-23 22:38:35,657 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:38:35,659 WARN L246 ceAbstractionStarter]: 11 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:38:35,659 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 12 thread instances.
[2024-11-23 22:38:35,779 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:35,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 515 places, 516 transitions, 1392 flow
[2024-11-23 22:38:36,019 INFO L124 PetriNetUnfolderBase]: 67/863 cut-off events.
[2024-11-23 22:38:36,020 INFO L125 PetriNetUnfolderBase]: For 352/352 co-relation queries the response was YES.
[2024-11-23 22:38:36,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1004 conditions, 863 events. 67/863 cut-off events. For 352/352 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 2335 event pairs, 0 based on Foata normal form. 0/753 useless extension candidates. Maximal degree in co-relation 979. Up to 26 conditions per place.
[2024-11-23 22:38:36,026 INFO L82 GeneralOperation]: Start removeDead. Operand has 515 places, 516 transitions, 1392 flow
[2024-11-23 22:38:36,029 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 192 places, 169 transitions, 521 flow
[2024-11-23 22:38:36,030 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:36,031 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:36,031 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations.
[2024-11-23 22:38:36,033 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:36,033 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:36,033 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:36,034 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:36,034 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:36,034 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 17 more)] ===
[2024-11-23 22:38:36,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:36,035 INFO L85 PathProgramCache]: Analyzing trace with hash -859600986, now seen corresponding path program 1 times
[2024-11-23 22:38:36,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:36,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904796739]
[2024-11-23 22:38:36,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:36,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:36,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:36,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:36,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904796739]
[2024-11-23 22:38:36,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904796739] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:36,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:36,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:36,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104922153]
[2024-11-23 22:38:36,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:36,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:36,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:36,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:36,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:36,201 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 516
[2024-11-23 22:38:36,203 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 169 transitions, 521 flow. Second operand has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:36,204 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:36,204 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 516
[2024-11-23 22:38:36,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:36,395 INFO L124 PetriNetUnfolderBase]: 27/666 cut-off events.
[2024-11-23 22:38:36,396 INFO L125 PetriNetUnfolderBase]: For 443/443 co-relation queries the response was YES.
[2024-11-23 22:38:36,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 895 conditions, 666 events. 27/666 cut-off events. For 443/443 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1649 event pairs, 13 based on Foata normal form. 14/623 useless extension candidates. Maximal degree in co-relation 808. Up to 97 conditions per place.
[2024-11-23 22:38:36,403 INFO L140 encePairwiseOnDemand]: 510/516 looper letters, 22 selfloop transitions, 2 changer transitions 1/165 dead transitions.
[2024-11-23 22:38:36,403 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 165 transitions, 561 flow
[2024-11-23 22:38:36,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:36,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:36,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1285 transitions.
[2024-11-23 22:38:36,407 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8301033591731266
[2024-11-23 22:38:36,407 INFO L175 Difference]: Start difference. First operand has 192 places, 169 transitions, 521 flow. Second operand 3 states and 1285 transitions.
[2024-11-23 22:38:36,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 165 transitions, 561 flow
[2024-11-23 22:38:36,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 165 transitions, 450 flow, removed 55 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:36,413 INFO L231 Difference]: Finished difference. Result has 192 places, 164 transitions, 404 flow
[2024-11-23 22:38:36,414 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=516, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=404, PETRI_PLACES=192, PETRI_TRANSITIONS=164}
[2024-11-23 22:38:36,414 INFO L279 CegarLoopForPetriNet]: 192 programPoint places, 0 predicate places.
[2024-11-23 22:38:36,415 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 164 transitions, 404 flow
[2024-11-23 22:38:36,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.3333333333333) internal successors, (1261), 3 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:36,416 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:36,416 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:36,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44
[2024-11-23 22:38:36,416 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 17 more)] ===
[2024-11-23 22:38:36,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:36,417 INFO L85 PathProgramCache]: Analyzing trace with hash 838101582, now seen corresponding path program 1 times
[2024-11-23 22:38:36,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:36,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212250251]
[2024-11-23 22:38:36,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:36,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:36,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:36,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:36,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212250251]
[2024-11-23 22:38:36,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212250251] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:36,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:36,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:36,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253457384]
[2024-11-23 22:38:36,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:36,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:36,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:36,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:36,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:36,551 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 393 out of 516
[2024-11-23 22:38:36,557 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 164 transitions, 404 flow. Second operand has 3 states, 3 states have (on average 394.0) internal successors, (1182), 3 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:36,557 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:36,557 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 393 of 516
[2024-11-23 22:38:36,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:36,738 INFO L124 PetriNetUnfolderBase]: 14/597 cut-off events.
[2024-11-23 22:38:36,740 INFO L125 PetriNetUnfolderBase]: For 101/101 co-relation queries the response was YES.
[2024-11-23 22:38:36,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 597 events. 14/597 cut-off events. For 101/101 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1233 event pairs, 0 based on Foata normal form. 13/583 useless extension candidates. Maximal degree in co-relation 710. Up to 70 conditions per place.
[2024-11-23 22:38:36,746 INFO L140 encePairwiseOnDemand]: 510/516 looper letters, 20 selfloop transitions, 1 changer transitions 24/159 dead transitions.
[2024-11-23 22:38:36,747 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 159 transitions, 440 flow
[2024-11-23 22:38:36,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:36,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:36,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1207 transitions.
[2024-11-23 22:38:36,750 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7797157622739018
[2024-11-23 22:38:36,750 INFO L175 Difference]: Start difference. First operand has 192 places, 164 transitions, 404 flow. Second operand 3 states and 1207 transitions.
[2024-11-23 22:38:36,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 159 transitions, 440 flow
[2024-11-23 22:38:36,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 159 transitions, 436 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:36,755 INFO L231 Difference]: Finished difference. Result has 186 places, 135 transitions, 342 flow
[2024-11-23 22:38:36,756 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=516, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=186, PETRI_TRANSITIONS=135}
[2024-11-23 22:38:36,757 INFO L279 CegarLoopForPetriNet]: 192 programPoint places, -6 predicate places.
[2024-11-23 22:38:36,757 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 135 transitions, 342 flow
[2024-11-23 22:38:36,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 394.0) internal successors, (1182), 3 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:36,759 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:36,760 INFO L206 CegarLoopForPetriNet]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:36,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45
[2024-11-23 22:38:36,760 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 17 more)] ===
[2024-11-23 22:38:36,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:36,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1656754778, now seen corresponding path program 1 times
[2024-11-23 22:38:36,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:36,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072617042]
[2024-11-23 22:38:36,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:36,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:36,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:36,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:36,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072617042]
[2024-11-23 22:38:36,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072617042] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:36,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:36,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:38:36,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975508440]
[2024-11-23 22:38:36,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:36,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:38:36,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:36,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:38:36,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:38:37,083 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 516
[2024-11-23 22:38:37,085 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 135 transitions, 342 flow. Second operand has 5 states, 5 states have (on average 433.4) internal successors, (2167), 5 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:37,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:37,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 516
[2024-11-23 22:38:37,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:37,192 INFO L124 PetriNetUnfolderBase]: 0/298 cut-off events.
[2024-11-23 22:38:37,192 INFO L125 PetriNetUnfolderBase]: For 100/100 co-relation queries the response was YES.
[2024-11-23 22:38:37,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 298 events. 0/298 cut-off events. For 100/100 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 171 event pairs, 0 based on Foata normal form. 1/298 useless extension candidates. Maximal degree in co-relation 0. Up to 44 conditions per place.
[2024-11-23 22:38:37,193 INFO L140 encePairwiseOnDemand]: 511/516 looper letters, 20 selfloop transitions, 2 changer transitions 3/137 dead transitions.
[2024-11-23 22:38:37,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 137 transitions, 396 flow
[2024-11-23 22:38:37,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:38:37,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:38:37,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2171 transitions.
[2024-11-23 22:38:37,198 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8414728682170542
[2024-11-23 22:38:37,198 INFO L175 Difference]: Start difference. First operand has 186 places, 135 transitions, 342 flow. Second operand 5 states and 2171 transitions.
[2024-11-23 22:38:37,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 137 transitions, 396 flow
[2024-11-23 22:38:37,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 137 transitions, 395 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:37,202 INFO L231 Difference]: Finished difference. Result has 166 places, 134 transitions, 347 flow
[2024-11-23 22:38:37,203 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=516, PETRI_DIFFERENCE_MINUEND_FLOW=341, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=347, PETRI_PLACES=166, PETRI_TRANSITIONS=134}
[2024-11-23 22:38:37,203 INFO L279 CegarLoopForPetriNet]: 192 programPoint places, -26 predicate places.
[2024-11-23 22:38:37,203 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 134 transitions, 347 flow
[2024-11-23 22:38:37,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 433.4) internal successors, (2167), 5 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:37,204 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:37,205 INFO L206 CegarLoopForPetriNet]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:37,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46
[2024-11-23 22:38:37,205 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 17 more)] ===
[2024-11-23 22:38:37,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:37,207 INFO L85 PathProgramCache]: Analyzing trace with hash 103480551, now seen corresponding path program 1 times
[2024-11-23 22:38:37,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:37,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208981212]
[2024-11-23 22:38:37,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:37,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:37,247 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:38:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:37,305 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:38:37,305 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:38:37,306 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 20 remaining)
[2024-11-23 22:38:37,306 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 20 remaining)
[2024-11-23 22:38:37,306 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 20 remaining)
[2024-11-23 22:38:37,306 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 20 remaining)
[2024-11-23 22:38:37,306 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 20 remaining)
[2024-11-23 22:38:37,306 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 20 remaining)
[2024-11-23 22:38:37,306 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 20 remaining)
[2024-11-23 22:38:37,307 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 20 remaining)
[2024-11-23 22:38:37,307 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 20 remaining)
[2024-11-23 22:38:37,307 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 20 remaining)
[2024-11-23 22:38:37,307 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 20 remaining)
[2024-11-23 22:38:37,307 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 20 remaining)
[2024-11-23 22:38:37,307 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 20 remaining)
[2024-11-23 22:38:37,307 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 20 remaining)
[2024-11-23 22:38:37,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 20 remaining)
[2024-11-23 22:38:37,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 20 remaining)
[2024-11-23 22:38:37,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 20 remaining)
[2024-11-23 22:38:37,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 20 remaining)
[2024-11-23 22:38:37,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 20 remaining)
[2024-11-23 22:38:37,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 20 remaining)
[2024-11-23 22:38:37,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47
[2024-11-23 22:38:37,309 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:38:37,309 WARN L246 ceAbstractionStarter]: 12 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:38:37,309 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 13 thread instances.
[2024-11-23 22:38:37,443 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:37,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 552 places, 553 transitions, 1522 flow
[2024-11-23 22:38:37,646 INFO L124 PetriNetUnfolderBase]: 72/927 cut-off events.
[2024-11-23 22:38:37,646 INFO L125 PetriNetUnfolderBase]: For 442/442 co-relation queries the response was YES.
[2024-11-23 22:38:37,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1086 conditions, 927 events. 72/927 cut-off events. For 442/442 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 2641 event pairs, 0 based on Foata normal form. 0/809 useless extension candidates. Maximal degree in co-relation 1059. Up to 28 conditions per place.
[2024-11-23 22:38:37,654 INFO L82 GeneralOperation]: Start removeDead. Operand has 552 places, 553 transitions, 1522 flow
[2024-11-23 22:38:37,658 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 201 places, 176 transitions, 563 flow
[2024-11-23 22:38:37,659 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:37,659 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:37,659 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations.
[2024-11-23 22:38:37,661 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:37,662 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:37,662 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:37,662 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:37,662 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:37,662 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] ===
[2024-11-23 22:38:37,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:37,663 INFO L85 PathProgramCache]: Analyzing trace with hash 34590886, now seen corresponding path program 1 times
[2024-11-23 22:38:37,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:37,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498989918]
[2024-11-23 22:38:37,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:37,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:37,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:37,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:37,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498989918]
[2024-11-23 22:38:37,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498989918] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:37,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:37,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:37,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982523537]
[2024-11-23 22:38:37,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:37,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:37,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:37,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:37,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:37,831 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 449 out of 553
[2024-11-23 22:38:37,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 176 transitions, 563 flow. Second operand has 3 states, 3 states have (on average 450.3333333333333) internal successors, (1351), 3 states have internal predecessors, (1351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:37,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:37,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 449 of 553
[2024-11-23 22:38:37,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:38,085 INFO L124 PetriNetUnfolderBase]: 29/715 cut-off events.
[2024-11-23 22:38:38,085 INFO L125 PetriNetUnfolderBase]: For 547/547 co-relation queries the response was YES.
[2024-11-23 22:38:38,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 968 conditions, 715 events. 29/715 cut-off events. For 547/547 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1785 event pairs, 14 based on Foata normal form. 15/669 useless extension candidates. Maximal degree in co-relation 879. Up to 104 conditions per place.
[2024-11-23 22:38:38,093 INFO L140 encePairwiseOnDemand]: 547/553 looper letters, 23 selfloop transitions, 2 changer transitions 1/172 dead transitions.
[2024-11-23 22:38:38,093 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 172 transitions, 605 flow
[2024-11-23 22:38:38,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:38,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:38,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1376 transitions.
[2024-11-23 22:38:38,097 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8294153104279687
[2024-11-23 22:38:38,097 INFO L175 Difference]: Start difference. First operand has 201 places, 176 transitions, 563 flow. Second operand 3 states and 1376 transitions.
[2024-11-23 22:38:38,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 172 transitions, 605 flow
[2024-11-23 22:38:38,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 172 transitions, 472 flow, removed 66 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:38,103 INFO L231 Difference]: Finished difference. Result has 201 places, 171 transitions, 424 flow
[2024-11-23 22:38:38,104 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=424, PETRI_PLACES=201, PETRI_TRANSITIONS=171}
[2024-11-23 22:38:38,104 INFO L279 CegarLoopForPetriNet]: 201 programPoint places, 0 predicate places.
[2024-11-23 22:38:38,104 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 171 transitions, 424 flow
[2024-11-23 22:38:38,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 450.3333333333333) internal successors, (1351), 3 states have internal predecessors, (1351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:38,105 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:38,105 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:38,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48
[2024-11-23 22:38:38,106 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] ===
[2024-11-23 22:38:38,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:38,106 INFO L85 PathProgramCache]: Analyzing trace with hash -419957362, now seen corresponding path program 1 times
[2024-11-23 22:38:38,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:38,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913662428]
[2024-11-23 22:38:38,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:38,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:38,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:38,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:38,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913662428]
[2024-11-23 22:38:38,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913662428] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:38,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:38,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:38,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102973635]
[2024-11-23 22:38:38,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:38,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:38,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:38,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:38,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:38,245 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 553
[2024-11-23 22:38:38,247 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 171 transitions, 424 flow. Second operand has 3 states, 3 states have (on average 422.0) internal successors, (1266), 3 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:38,247 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:38,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 553
[2024-11-23 22:38:38,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:38,431 INFO L124 PetriNetUnfolderBase]: 15/641 cut-off events.
[2024-11-23 22:38:38,431 INFO L125 PetriNetUnfolderBase]: For 116/116 co-relation queries the response was YES.
[2024-11-23 22:38:38,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 801 conditions, 641 events. 15/641 cut-off events. For 116/116 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1333 event pairs, 0 based on Foata normal form. 14/626 useless extension candidates. Maximal degree in co-relation 764. Up to 75 conditions per place.
[2024-11-23 22:38:38,438 INFO L140 encePairwiseOnDemand]: 547/553 looper letters, 21 selfloop transitions, 1 changer transitions 24/166 dead transitions.
[2024-11-23 22:38:38,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 166 transitions, 462 flow
[2024-11-23 22:38:38,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:38,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:38,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1292 transitions.
[2024-11-23 22:38:38,441 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7787823990355636
[2024-11-23 22:38:38,441 INFO L175 Difference]: Start difference. First operand has 201 places, 171 transitions, 424 flow. Second operand 3 states and 1292 transitions.
[2024-11-23 22:38:38,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 166 transitions, 462 flow
[2024-11-23 22:38:38,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 166 transitions, 458 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:38,446 INFO L231 Difference]: Finished difference. Result has 195 places, 142 transitions, 362 flow
[2024-11-23 22:38:38,446 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=362, PETRI_PLACES=195, PETRI_TRANSITIONS=142}
[2024-11-23 22:38:38,447 INFO L279 CegarLoopForPetriNet]: 201 programPoint places, -6 predicate places.
[2024-11-23 22:38:38,447 INFO L471 AbstractCegarLoop]: Abstraction has has 195 places, 142 transitions, 362 flow
[2024-11-23 22:38:38,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 422.0) internal successors, (1266), 3 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:38,448 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:38,448 INFO L206 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:38,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49
[2024-11-23 22:38:38,448 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] ===
[2024-11-23 22:38:38,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:38,450 INFO L85 PathProgramCache]: Analyzing trace with hash 2144908335, now seen corresponding path program 1 times
[2024-11-23 22:38:38,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:38,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281482503]
[2024-11-23 22:38:38,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:38,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:38,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:38,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:38,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281482503]
[2024-11-23 22:38:38,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281482503] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:38,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:38,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:38:38,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793827302]
[2024-11-23 22:38:38,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:38,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:38:38,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:38,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:38:38,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:38:38,800 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 553
[2024-11-23 22:38:38,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 142 transitions, 362 flow. Second operand has 5 states, 5 states have (on average 464.6) internal successors, (2323), 5 states have internal predecessors, (2323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:38,803 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:38,803 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 553
[2024-11-23 22:38:38,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:38,981 INFO L124 PetriNetUnfolderBase]: 0/318 cut-off events.
[2024-11-23 22:38:38,981 INFO L125 PetriNetUnfolderBase]: For 115/115 co-relation queries the response was YES.
[2024-11-23 22:38:38,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 318 events. 0/318 cut-off events. For 115/115 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 183 event pairs, 0 based on Foata normal form. 1/318 useless extension candidates. Maximal degree in co-relation 0. Up to 47 conditions per place.
[2024-11-23 22:38:38,982 INFO L140 encePairwiseOnDemand]: 548/553 looper letters, 21 selfloop transitions, 2 changer transitions 3/144 dead transitions.
[2024-11-23 22:38:38,982 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 144 transitions, 418 flow
[2024-11-23 22:38:38,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:38:38,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:38:38,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2327 transitions.
[2024-11-23 22:38:38,989 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8415913200723327
[2024-11-23 22:38:38,989 INFO L175 Difference]: Start difference. First operand has 195 places, 142 transitions, 362 flow. Second operand 5 states and 2327 transitions.
[2024-11-23 22:38:38,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 144 transitions, 418 flow
[2024-11-23 22:38:38,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 144 transitions, 417 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:38,995 INFO L231 Difference]: Finished difference. Result has 175 places, 141 transitions, 367 flow
[2024-11-23 22:38:38,995 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=553, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=367, PETRI_PLACES=175, PETRI_TRANSITIONS=141}
[2024-11-23 22:38:38,998 INFO L279 CegarLoopForPetriNet]: 201 programPoint places, -26 predicate places.
[2024-11-23 22:38:38,998 INFO L471 AbstractCegarLoop]: Abstraction has has 175 places, 141 transitions, 367 flow
[2024-11-23 22:38:38,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 464.6) internal successors, (2323), 5 states have internal predecessors, (2323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:38,999 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:39,000 INFO L206 CegarLoopForPetriNet]: trace histogram [14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:39,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50
[2024-11-23 22:38:39,000 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] ===
[2024-11-23 22:38:39,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:39,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1245539449, now seen corresponding path program 1 times
[2024-11-23 22:38:39,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:39,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807774087]
[2024-11-23 22:38:39,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:39,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:39,070 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:38:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:39,163 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:38:39,163 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:38:39,164 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 21 remaining)
[2024-11-23 22:38:39,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining)
[2024-11-23 22:38:39,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining)
[2024-11-23 22:38:39,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining)
[2024-11-23 22:38:39,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 21 remaining)
[2024-11-23 22:38:39,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining)
[2024-11-23 22:38:39,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 21 remaining)
[2024-11-23 22:38:39,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining)
[2024-11-23 22:38:39,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining)
[2024-11-23 22:38:39,164 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining)
[2024-11-23 22:38:39,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining)
[2024-11-23 22:38:39,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining)
[2024-11-23 22:38:39,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining)
[2024-11-23 22:38:39,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining)
[2024-11-23 22:38:39,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining)
[2024-11-23 22:38:39,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining)
[2024-11-23 22:38:39,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining)
[2024-11-23 22:38:39,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining)
[2024-11-23 22:38:39,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining)
[2024-11-23 22:38:39,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining)
[2024-11-23 22:38:39,165 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining)
[2024-11-23 22:38:39,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51
[2024-11-23 22:38:39,166 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:38:39,166 WARN L246 ceAbstractionStarter]: 13 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:38:39,166 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 14 thread instances.
[2024-11-23 22:38:39,341 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:39,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 589 places, 590 transitions, 1656 flow
[2024-11-23 22:38:39,659 INFO L124 PetriNetUnfolderBase]: 77/991 cut-off events.
[2024-11-23 22:38:39,660 INFO L125 PetriNetUnfolderBase]: For 546/546 co-relation queries the response was YES.
[2024-11-23 22:38:39,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1169 conditions, 991 events. 77/991 cut-off events. For 546/546 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 2722 event pairs, 0 based on Foata normal form. 0/865 useless extension candidates. Maximal degree in co-relation 1140. Up to 30 conditions per place.
[2024-11-23 22:38:39,670 INFO L82 GeneralOperation]: Start removeDead. Operand has 589 places, 590 transitions, 1656 flow
[2024-11-23 22:38:39,678 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 210 places, 183 transitions, 607 flow
[2024-11-23 22:38:39,679 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:39,681 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:39,681 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations.
[2024-11-23 22:38:39,685 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:39,685 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:39,685 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:39,685 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:39,685 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:39,686 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] ===
[2024-11-23 22:38:39,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:39,686 INFO L85 PathProgramCache]: Analyzing trace with hash 879877798, now seen corresponding path program 1 times
[2024-11-23 22:38:39,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:39,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878867369]
[2024-11-23 22:38:39,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:39,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:39,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:39,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:39,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878867369]
[2024-11-23 22:38:39,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878867369] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:39,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:39,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:39,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892932176]
[2024-11-23 22:38:39,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:39,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:39,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:39,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:39,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:39,880 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 479 out of 590
[2024-11-23 22:38:39,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 183 transitions, 607 flow. Second operand has 3 states, 3 states have (on average 480.3333333333333) internal successors, (1441), 3 states have internal predecessors, (1441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:39,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:39,883 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 479 of 590
[2024-11-23 22:38:39,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:40,129 INFO L124 PetriNetUnfolderBase]: 31/764 cut-off events.
[2024-11-23 22:38:40,129 INFO L125 PetriNetUnfolderBase]: For 666/666 co-relation queries the response was YES.
[2024-11-23 22:38:40,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1042 conditions, 764 events. 31/764 cut-off events. For 666/666 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1914 event pairs, 15 based on Foata normal form. 16/715 useless extension candidates. Maximal degree in co-relation 951. Up to 111 conditions per place.
[2024-11-23 22:38:40,143 INFO L140 encePairwiseOnDemand]: 584/590 looper letters, 24 selfloop transitions, 2 changer transitions 1/179 dead transitions.
[2024-11-23 22:38:40,143 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 179 transitions, 651 flow
[2024-11-23 22:38:40,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:40,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:40,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1467 transitions.
[2024-11-23 22:38:40,146 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8288135593220339
[2024-11-23 22:38:40,146 INFO L175 Difference]: Start difference. First operand has 210 places, 183 transitions, 607 flow. Second operand 3 states and 1467 transitions.
[2024-11-23 22:38:40,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 179 transitions, 651 flow
[2024-11-23 22:38:40,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 179 transitions, 494 flow, removed 78 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:40,153 INFO L231 Difference]: Finished difference. Result has 210 places, 178 transitions, 444 flow
[2024-11-23 22:38:40,154 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=590, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=444, PETRI_PLACES=210, PETRI_TRANSITIONS=178}
[2024-11-23 22:38:40,155 INFO L279 CegarLoopForPetriNet]: 210 programPoint places, 0 predicate places.
[2024-11-23 22:38:40,155 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 178 transitions, 444 flow
[2024-11-23 22:38:40,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 480.3333333333333) internal successors, (1441), 3 states have internal predecessors, (1441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:40,156 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:40,156 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:40,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52
[2024-11-23 22:38:40,156 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] ===
[2024-11-23 22:38:40,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:40,157 INFO L85 PathProgramCache]: Analyzing trace with hash -558356722, now seen corresponding path program 1 times
[2024-11-23 22:38:40,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:40,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672189918]
[2024-11-23 22:38:40,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:40,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:40,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:40,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:40,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672189918]
[2024-11-23 22:38:40,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672189918] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:40,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:40,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:40,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983964072]
[2024-11-23 22:38:40,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:40,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:40,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:40,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:40,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:40,293 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 449 out of 590
[2024-11-23 22:38:40,295 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 178 transitions, 444 flow. Second operand has 3 states, 3 states have (on average 450.0) internal successors, (1350), 3 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:40,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:40,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 449 of 590
[2024-11-23 22:38:40,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:40,551 INFO L124 PetriNetUnfolderBase]: 16/685 cut-off events.
[2024-11-23 22:38:40,552 INFO L125 PetriNetUnfolderBase]: For 132/132 co-relation queries the response was YES.
[2024-11-23 22:38:40,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 856 conditions, 685 events. 16/685 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1434 event pairs, 0 based on Foata normal form. 15/669 useless extension candidates. Maximal degree in co-relation 818. Up to 80 conditions per place.
[2024-11-23 22:38:40,560 INFO L140 encePairwiseOnDemand]: 584/590 looper letters, 22 selfloop transitions, 1 changer transitions 24/173 dead transitions.
[2024-11-23 22:38:40,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 173 transitions, 484 flow
[2024-11-23 22:38:40,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:40,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:40,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1377 transitions.
[2024-11-23 22:38:40,563 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7779661016949152
[2024-11-23 22:38:40,565 INFO L175 Difference]: Start difference. First operand has 210 places, 178 transitions, 444 flow. Second operand 3 states and 1377 transitions.
[2024-11-23 22:38:40,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 173 transitions, 484 flow
[2024-11-23 22:38:40,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 173 transitions, 480 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:40,570 INFO L231 Difference]: Finished difference. Result has 204 places, 149 transitions, 382 flow
[2024-11-23 22:38:40,571 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=590, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=382, PETRI_PLACES=204, PETRI_TRANSITIONS=149}
[2024-11-23 22:38:40,572 INFO L279 CegarLoopForPetriNet]: 210 programPoint places, -6 predicate places.
[2024-11-23 22:38:40,572 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 149 transitions, 382 flow
[2024-11-23 22:38:40,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 450.0) internal successors, (1350), 3 states have internal predecessors, (1350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:40,573 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:40,573 INFO L206 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:40,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53
[2024-11-23 22:38:40,574 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] ===
[2024-11-23 22:38:40,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:40,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1662575078, now seen corresponding path program 1 times
[2024-11-23 22:38:40,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:40,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879619044]
[2024-11-23 22:38:40,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:40,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:40,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:40,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:40,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879619044]
[2024-11-23 22:38:40,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879619044] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:40,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:40,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:38:40,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251472263]
[2024-11-23 22:38:40,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:40,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:38:40,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:40,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:38:40,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:38:40,948 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 491 out of 590
[2024-11-23 22:38:40,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 149 transitions, 382 flow. Second operand has 5 states, 5 states have (on average 495.8) internal successors, (2479), 5 states have internal predecessors, (2479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:40,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:40,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 491 of 590
[2024-11-23 22:38:40,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:41,078 INFO L124 PetriNetUnfolderBase]: 0/338 cut-off events.
[2024-11-23 22:38:41,079 INFO L125 PetriNetUnfolderBase]: For 131/131 co-relation queries the response was YES.
[2024-11-23 22:38:41,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 338 events. 0/338 cut-off events. For 131/131 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 196 event pairs, 0 based on Foata normal form. 1/338 useless extension candidates. Maximal degree in co-relation 0. Up to 50 conditions per place.
[2024-11-23 22:38:41,080 INFO L140 encePairwiseOnDemand]: 585/590 looper letters, 22 selfloop transitions, 2 changer transitions 3/151 dead transitions.
[2024-11-23 22:38:41,080 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 151 transitions, 440 flow
[2024-11-23 22:38:41,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:38:41,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:38:41,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2483 transitions.
[2024-11-23 22:38:41,084 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8416949152542373
[2024-11-23 22:38:41,084 INFO L175 Difference]: Start difference. First operand has 204 places, 149 transitions, 382 flow. Second operand 5 states and 2483 transitions.
[2024-11-23 22:38:41,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 151 transitions, 440 flow
[2024-11-23 22:38:41,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 151 transitions, 439 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:41,088 INFO L231 Difference]: Finished difference. Result has 184 places, 148 transitions, 387 flow
[2024-11-23 22:38:41,089 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=590, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=387, PETRI_PLACES=184, PETRI_TRANSITIONS=148}
[2024-11-23 22:38:41,089 INFO L279 CegarLoopForPetriNet]: 210 programPoint places, -26 predicate places.
[2024-11-23 22:38:41,089 INFO L471 AbstractCegarLoop]: Abstraction has has 184 places, 148 transitions, 387 flow
[2024-11-23 22:38:41,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 495.8) internal successors, (2479), 5 states have internal predecessors, (2479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:41,091 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:41,091 INFO L206 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:41,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54
[2024-11-23 22:38:41,091 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 19 more)] ===
[2024-11-23 22:38:41,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:41,097 INFO L85 PathProgramCache]: Analyzing trace with hash 606795120, now seen corresponding path program 1 times
[2024-11-23 22:38:41,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:41,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450756771]
[2024-11-23 22:38:41,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:41,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:41,162 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:38:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:41,253 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:38:41,253 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:38:41,254 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 22 remaining)
[2024-11-23 22:38:41,254 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining)
[2024-11-23 22:38:41,254 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining)
[2024-11-23 22:38:41,254 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining)
[2024-11-23 22:38:41,254 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining)
[2024-11-23 22:38:41,254 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining)
[2024-11-23 22:38:41,255 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 22 remaining)
[2024-11-23 22:38:41,255 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining)
[2024-11-23 22:38:41,255 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining)
[2024-11-23 22:38:41,255 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining)
[2024-11-23 22:38:41,255 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining)
[2024-11-23 22:38:41,255 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining)
[2024-11-23 22:38:41,255 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining)
[2024-11-23 22:38:41,256 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining)
[2024-11-23 22:38:41,256 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining)
[2024-11-23 22:38:41,256 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining)
[2024-11-23 22:38:41,256 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining)
[2024-11-23 22:38:41,256 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining)
[2024-11-23 22:38:41,256 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining)
[2024-11-23 22:38:41,256 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining)
[2024-11-23 22:38:41,257 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining)
[2024-11-23 22:38:41,257 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining)
[2024-11-23 22:38:41,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55
[2024-11-23 22:38:41,257 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:38:41,258 WARN L246 ceAbstractionStarter]: 14 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:38:41,258 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 15 thread instances.
[2024-11-23 22:38:41,408 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:41,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 626 places, 627 transitions, 1794 flow
[2024-11-23 22:38:41,756 INFO L124 PetriNetUnfolderBase]: 82/1055 cut-off events.
[2024-11-23 22:38:41,756 INFO L125 PetriNetUnfolderBase]: For 665/665 co-relation queries the response was YES.
[2024-11-23 22:38:41,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1253 conditions, 1055 events. 82/1055 cut-off events. For 665/665 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 2889 event pairs, 0 based on Foata normal form. 0/921 useless extension candidates. Maximal degree in co-relation 1222. Up to 32 conditions per place.
[2024-11-23 22:38:41,763 INFO L82 GeneralOperation]: Start removeDead. Operand has 626 places, 627 transitions, 1794 flow
[2024-11-23 22:38:41,767 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 219 places, 190 transitions, 653 flow
[2024-11-23 22:38:41,769 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:41,770 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:41,770 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations.
[2024-11-23 22:38:41,772 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:41,772 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:41,772 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:41,772 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:41,772 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:41,772 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] ===
[2024-11-23 22:38:41,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:41,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1676259750, now seen corresponding path program 1 times
[2024-11-23 22:38:41,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:41,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208242709]
[2024-11-23 22:38:41,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:41,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:41,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:41,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:41,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208242709]
[2024-11-23 22:38:41,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208242709] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:41,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:41,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:41,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601633855]
[2024-11-23 22:38:41,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:41,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:41,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:41,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:41,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:41,959 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 509 out of 627
[2024-11-23 22:38:41,961 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 190 transitions, 653 flow. Second operand has 3 states, 3 states have (on average 510.3333333333333) internal successors, (1531), 3 states have internal predecessors, (1531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:41,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:41,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 509 of 627
[2024-11-23 22:38:41,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:42,214 INFO L124 PetriNetUnfolderBase]: 33/813 cut-off events.
[2024-11-23 22:38:42,215 INFO L125 PetriNetUnfolderBase]: For 801/801 co-relation queries the response was YES.
[2024-11-23 22:38:42,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1117 conditions, 813 events. 33/813 cut-off events. For 801/801 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 2129 event pairs, 16 based on Foata normal form. 33/777 useless extension candidates. Maximal degree in co-relation 1024. Up to 118 conditions per place.
[2024-11-23 22:38:42,224 INFO L140 encePairwiseOnDemand]: 621/627 looper letters, 25 selfloop transitions, 2 changer transitions 1/186 dead transitions.
[2024-11-23 22:38:42,225 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 186 transitions, 699 flow
[2024-11-23 22:38:42,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:42,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:42,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1558 transitions.
[2024-11-23 22:38:42,227 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8282828282828283
[2024-11-23 22:38:42,228 INFO L175 Difference]: Start difference. First operand has 219 places, 190 transitions, 653 flow. Second operand 3 states and 1558 transitions.
[2024-11-23 22:38:42,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 186 transitions, 699 flow
[2024-11-23 22:38:42,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 186 transitions, 516 flow, removed 91 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:42,235 INFO L231 Difference]: Finished difference. Result has 219 places, 185 transitions, 464 flow
[2024-11-23 22:38:42,235 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=462, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=464, PETRI_PLACES=219, PETRI_TRANSITIONS=185}
[2024-11-23 22:38:42,237 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, 0 predicate places.
[2024-11-23 22:38:42,237 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 185 transitions, 464 flow
[2024-11-23 22:38:42,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 510.3333333333333) internal successors, (1531), 3 states have internal predecessors, (1531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:42,238 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:42,238 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:42,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56
[2024-11-23 22:38:42,238 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] ===
[2024-11-23 22:38:42,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:42,239 INFO L85 PathProgramCache]: Analyzing trace with hash 422903502, now seen corresponding path program 1 times
[2024-11-23 22:38:42,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:42,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375131488]
[2024-11-23 22:38:42,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:42,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:42,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:42,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:42,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375131488]
[2024-11-23 22:38:42,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375131488] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:42,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:42,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:42,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968628578]
[2024-11-23 22:38:42,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:42,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:42,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:42,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:42,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:42,356 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 477 out of 627
[2024-11-23 22:38:42,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 185 transitions, 464 flow. Second operand has 3 states, 3 states have (on average 478.0) internal successors, (1434), 3 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:42,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:42,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 477 of 627
[2024-11-23 22:38:42,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:42,569 INFO L124 PetriNetUnfolderBase]: 17/729 cut-off events.
[2024-11-23 22:38:42,570 INFO L125 PetriNetUnfolderBase]: For 149/149 co-relation queries the response was YES.
[2024-11-23 22:38:42,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 911 conditions, 729 events. 17/729 cut-off events. For 149/149 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1565 event pairs, 0 based on Foata normal form. 16/712 useless extension candidates. Maximal degree in co-relation 872. Up to 85 conditions per place.
[2024-11-23 22:38:42,577 INFO L140 encePairwiseOnDemand]: 621/627 looper letters, 23 selfloop transitions, 1 changer transitions 24/180 dead transitions.
[2024-11-23 22:38:42,577 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 180 transitions, 506 flow
[2024-11-23 22:38:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:42,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:42,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1462 transitions.
[2024-11-23 22:38:42,580 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7772461456671983
[2024-11-23 22:38:42,580 INFO L175 Difference]: Start difference. First operand has 219 places, 185 transitions, 464 flow. Second operand 3 states and 1462 transitions.
[2024-11-23 22:38:42,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 180 transitions, 506 flow
[2024-11-23 22:38:42,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 180 transitions, 502 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:42,585 INFO L231 Difference]: Finished difference. Result has 213 places, 156 transitions, 402 flow
[2024-11-23 22:38:42,585 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=450, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=213, PETRI_TRANSITIONS=156}
[2024-11-23 22:38:42,586 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -6 predicate places.
[2024-11-23 22:38:42,586 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 156 transitions, 402 flow
[2024-11-23 22:38:42,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 478.0) internal successors, (1434), 3 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:42,587 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:42,587 INFO L206 CegarLoopForPetriNet]: trace histogram [16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:42,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57
[2024-11-23 22:38:42,587 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] ===
[2024-11-23 22:38:42,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:42,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1623123691, now seen corresponding path program 1 times
[2024-11-23 22:38:42,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:42,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375266670]
[2024-11-23 22:38:42,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:42,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:42,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:42,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:42,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375266670]
[2024-11-23 22:38:42,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375266670] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:42,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:42,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:38:42,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177183921]
[2024-11-23 22:38:42,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:42,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:38:42,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:42,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:38:42,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:38:42,973 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 522 out of 627
[2024-11-23 22:38:42,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 156 transitions, 402 flow. Second operand has 5 states, 5 states have (on average 527.0) internal successors, (2635), 5 states have internal predecessors, (2635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:42,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:42,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 522 of 627
[2024-11-23 22:38:42,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:43,194 INFO L124 PetriNetUnfolderBase]: 0/358 cut-off events.
[2024-11-23 22:38:43,194 INFO L125 PetriNetUnfolderBase]: For 148/148 co-relation queries the response was YES.
[2024-11-23 22:38:43,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 478 conditions, 358 events. 0/358 cut-off events. For 148/148 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 207 event pairs, 0 based on Foata normal form. 1/358 useless extension candidates. Maximal degree in co-relation 0. Up to 53 conditions per place.
[2024-11-23 22:38:43,195 INFO L140 encePairwiseOnDemand]: 622/627 looper letters, 23 selfloop transitions, 2 changer transitions 3/158 dead transitions.
[2024-11-23 22:38:43,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 158 transitions, 462 flow
[2024-11-23 22:38:43,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:38:43,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:38:43,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2639 transitions.
[2024-11-23 22:38:43,201 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8417862838915471
[2024-11-23 22:38:43,201 INFO L175 Difference]: Start difference. First operand has 213 places, 156 transitions, 402 flow. Second operand 5 states and 2639 transitions.
[2024-11-23 22:38:43,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 158 transitions, 462 flow
[2024-11-23 22:38:43,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 158 transitions, 461 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:43,205 INFO L231 Difference]: Finished difference. Result has 193 places, 155 transitions, 407 flow
[2024-11-23 22:38:43,206 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=401, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=407, PETRI_PLACES=193, PETRI_TRANSITIONS=155}
[2024-11-23 22:38:43,206 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -26 predicate places.
[2024-11-23 22:38:43,206 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 155 transitions, 407 flow
[2024-11-23 22:38:43,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 527.0) internal successors, (2635), 5 states have internal predecessors, (2635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:43,207 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:43,208 INFO L206 CegarLoopForPetriNet]: trace histogram [16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:43,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58
[2024-11-23 22:38:43,208 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 20 more)] ===
[2024-11-23 22:38:43,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:43,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1451958014, now seen corresponding path program 1 times
[2024-11-23 22:38:43,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:43,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659946877]
[2024-11-23 22:38:43,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:43,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:43,258 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:38:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:43,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:38:43,351 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:38:43,351 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 23 remaining)
[2024-11-23 22:38:43,351 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 23 remaining)
[2024-11-23 22:38:43,351 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 23 remaining)
[2024-11-23 22:38:43,351 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 23 remaining)
[2024-11-23 22:38:43,351 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (18 of 23 remaining)
[2024-11-23 22:38:43,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (17 of 23 remaining)
[2024-11-23 22:38:43,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 23 remaining)
[2024-11-23 22:38:43,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 23 remaining)
[2024-11-23 22:38:43,355 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 23 remaining)
[2024-11-23 22:38:43,355 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 23 remaining)
[2024-11-23 22:38:43,355 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 23 remaining)
[2024-11-23 22:38:43,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 23 remaining)
[2024-11-23 22:38:43,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 23 remaining)
[2024-11-23 22:38:43,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 23 remaining)
[2024-11-23 22:38:43,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 23 remaining)
[2024-11-23 22:38:43,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 23 remaining)
[2024-11-23 22:38:43,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 23 remaining)
[2024-11-23 22:38:43,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 23 remaining)
[2024-11-23 22:38:43,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 23 remaining)
[2024-11-23 22:38:43,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 23 remaining)
[2024-11-23 22:38:43,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 23 remaining)
[2024-11-23 22:38:43,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 23 remaining)
[2024-11-23 22:38:43,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 23 remaining)
[2024-11-23 22:38:43,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59
[2024-11-23 22:38:43,357 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:38:43,357 WARN L246 ceAbstractionStarter]: 15 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:38:43,357 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 16 thread instances.
[2024-11-23 22:38:43,520 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:43,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 663 places, 664 transitions, 1936 flow
[2024-11-23 22:38:43,787 INFO L124 PetriNetUnfolderBase]: 87/1119 cut-off events.
[2024-11-23 22:38:43,787 INFO L125 PetriNetUnfolderBase]: For 800/800 co-relation queries the response was YES.
[2024-11-23 22:38:43,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1338 conditions, 1119 events. 87/1119 cut-off events. For 800/800 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 3066 event pairs, 0 based on Foata normal form. 0/977 useless extension candidates. Maximal degree in co-relation 1305. Up to 34 conditions per place.
[2024-11-23 22:38:43,798 INFO L82 GeneralOperation]: Start removeDead. Operand has 663 places, 664 transitions, 1936 flow
[2024-11-23 22:38:43,802 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 228 places, 197 transitions, 701 flow
[2024-11-23 22:38:43,803 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:43,806 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:43,806 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations.
[2024-11-23 22:38:43,808 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:43,808 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:43,808 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:43,808 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:43,809 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:43,809 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 21 more)] ===
[2024-11-23 22:38:43,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:43,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1871230554, now seen corresponding path program 1 times
[2024-11-23 22:38:43,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:43,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337091252]
[2024-11-23 22:38:43,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:43,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:43,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:43,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:43,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337091252]
[2024-11-23 22:38:43,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337091252] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:43,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:43,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:43,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332602676]
[2024-11-23 22:38:43,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:43,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:43,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:43,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:43,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:43,946 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 539 out of 664
[2024-11-23 22:38:43,948 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 197 transitions, 701 flow. Second operand has 3 states, 3 states have (on average 540.3333333333334) internal successors, (1621), 3 states have internal predecessors, (1621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:43,948 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:43,948 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 539 of 664
[2024-11-23 22:38:43,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:44,195 INFO L124 PetriNetUnfolderBase]: 35/862 cut-off events.
[2024-11-23 22:38:44,195 INFO L125 PetriNetUnfolderBase]: For 953/953 co-relation queries the response was YES.
[2024-11-23 22:38:44,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1193 conditions, 862 events. 35/862 cut-off events. For 953/953 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 2178 event pairs, 17 based on Foata normal form. 18/807 useless extension candidates. Maximal degree in co-relation 1098. Up to 125 conditions per place.
[2024-11-23 22:38:44,206 INFO L140 encePairwiseOnDemand]: 658/664 looper letters, 26 selfloop transitions, 2 changer transitions 1/193 dead transitions.
[2024-11-23 22:38:44,206 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 193 transitions, 749 flow
[2024-11-23 22:38:44,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:44,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:44,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1649 transitions.
[2024-11-23 22:38:44,209 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8278112449799196
[2024-11-23 22:38:44,209 INFO L175 Difference]: Start difference. First operand has 228 places, 197 transitions, 701 flow. Second operand 3 states and 1649 transitions.
[2024-11-23 22:38:44,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 193 transitions, 749 flow
[2024-11-23 22:38:44,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 193 transitions, 538 flow, removed 105 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:44,218 INFO L231 Difference]: Finished difference. Result has 228 places, 192 transitions, 484 flow
[2024-11-23 22:38:44,218 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=664, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=484, PETRI_PLACES=228, PETRI_TRANSITIONS=192}
[2024-11-23 22:38:44,219 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, 0 predicate places.
[2024-11-23 22:38:44,219 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 192 transitions, 484 flow
[2024-11-23 22:38:44,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 540.3333333333334) internal successors, (1621), 3 states have internal predecessors, (1621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:44,220 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:44,220 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:44,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60
[2024-11-23 22:38:44,220 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 21 more)] ===
[2024-11-23 22:38:44,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:44,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1771143986, now seen corresponding path program 1 times
[2024-11-23 22:38:44,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:44,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815779008]
[2024-11-23 22:38:44,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:44,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:44,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:44,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:44,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815779008]
[2024-11-23 22:38:44,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815779008] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:44,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:44,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:44,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838023682]
[2024-11-23 22:38:44,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:44,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:44,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:44,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:44,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:44,391 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 505 out of 664
[2024-11-23 22:38:44,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 192 transitions, 484 flow. Second operand has 3 states, 3 states have (on average 506.0) internal successors, (1518), 3 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:44,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:44,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 505 of 664
[2024-11-23 22:38:44,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:44,705 INFO L124 PetriNetUnfolderBase]: 18/773 cut-off events.
[2024-11-23 22:38:44,705 INFO L125 PetriNetUnfolderBase]: For 167/167 co-relation queries the response was YES.
[2024-11-23 22:38:44,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 966 conditions, 773 events. 18/773 cut-off events. For 167/167 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1633 event pairs, 0 based on Foata normal form. 17/755 useless extension candidates. Maximal degree in co-relation 926. Up to 90 conditions per place.
[2024-11-23 22:38:44,713 INFO L140 encePairwiseOnDemand]: 658/664 looper letters, 24 selfloop transitions, 1 changer transitions 24/187 dead transitions.
[2024-11-23 22:38:44,713 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 187 transitions, 528 flow
[2024-11-23 22:38:44,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:44,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:44,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1547 transitions.
[2024-11-23 22:38:44,717 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7766064257028112
[2024-11-23 22:38:44,717 INFO L175 Difference]: Start difference. First operand has 228 places, 192 transitions, 484 flow. Second operand 3 states and 1547 transitions.
[2024-11-23 22:38:44,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 187 transitions, 528 flow
[2024-11-23 22:38:44,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 187 transitions, 524 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:44,723 INFO L231 Difference]: Finished difference. Result has 222 places, 163 transitions, 422 flow
[2024-11-23 22:38:44,724 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=664, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=422, PETRI_PLACES=222, PETRI_TRANSITIONS=163}
[2024-11-23 22:38:44,724 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, -6 predicate places.
[2024-11-23 22:38:44,725 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 163 transitions, 422 flow
[2024-11-23 22:38:44,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 506.0) internal successors, (1518), 3 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:44,726 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:44,726 INFO L206 CegarLoopForPetriNet]: trace histogram [17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:44,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61
[2024-11-23 22:38:44,727 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 21 more)] ===
[2024-11-23 22:38:44,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:44,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1397869730, now seen corresponding path program 1 times
[2024-11-23 22:38:44,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:44,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163479640]
[2024-11-23 22:38:44,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:44,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:45,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:45,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:45,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163479640]
[2024-11-23 22:38:45,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163479640] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:45,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:45,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:38:45,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3929875]
[2024-11-23 22:38:45,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:45,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:38:45,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:45,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:38:45,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:38:45,174 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 553 out of 664
[2024-11-23 22:38:45,177 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 163 transitions, 422 flow. Second operand has 5 states, 5 states have (on average 558.2) internal successors, (2791), 5 states have internal predecessors, (2791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:45,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:45,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 553 of 664
[2024-11-23 22:38:45,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:45,362 INFO L124 PetriNetUnfolderBase]: 0/378 cut-off events.
[2024-11-23 22:38:45,362 INFO L125 PetriNetUnfolderBase]: For 166/166 co-relation queries the response was YES.
[2024-11-23 22:38:45,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 505 conditions, 378 events. 0/378 cut-off events. For 166/166 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 219 event pairs, 0 based on Foata normal form. 1/378 useless extension candidates. Maximal degree in co-relation 0. Up to 56 conditions per place.
[2024-11-23 22:38:45,364 INFO L140 encePairwiseOnDemand]: 659/664 looper letters, 24 selfloop transitions, 2 changer transitions 3/165 dead transitions.
[2024-11-23 22:38:45,364 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 165 transitions, 484 flow
[2024-11-23 22:38:45,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:38:45,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:38:45,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2795 transitions.
[2024-11-23 22:38:45,369 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8418674698795181
[2024-11-23 22:38:45,370 INFO L175 Difference]: Start difference. First operand has 222 places, 163 transitions, 422 flow. Second operand 5 states and 2795 transitions.
[2024-11-23 22:38:45,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 165 transitions, 484 flow
[2024-11-23 22:38:45,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 165 transitions, 483 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:45,375 INFO L231 Difference]: Finished difference. Result has 202 places, 162 transitions, 427 flow
[2024-11-23 22:38:45,376 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=664, PETRI_DIFFERENCE_MINUEND_FLOW=421, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=427, PETRI_PLACES=202, PETRI_TRANSITIONS=162}
[2024-11-23 22:38:45,376 INFO L279 CegarLoopForPetriNet]: 228 programPoint places, -26 predicate places.
[2024-11-23 22:38:45,376 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 162 transitions, 427 flow
[2024-11-23 22:38:45,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 558.2) internal successors, (2791), 5 states have internal predecessors, (2791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:45,378 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:45,378 INFO L206 CegarLoopForPetriNet]: trace histogram [17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:45,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62
[2024-11-23 22:38:45,378 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 21 more)] ===
[2024-11-23 22:38:45,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:45,381 INFO L85 PathProgramCache]: Analyzing trace with hash -279825251, now seen corresponding path program 1 times
[2024-11-23 22:38:45,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:45,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198576418]
[2024-11-23 22:38:45,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:45,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:45,450 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:38:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:45,546 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:38:45,547 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:38:45,547 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 24 remaining)
[2024-11-23 22:38:45,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (22 of 24 remaining)
[2024-11-23 22:38:45,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining)
[2024-11-23 22:38:45,547 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining)
[2024-11-23 22:38:45,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining)
[2024-11-23 22:38:45,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining)
[2024-11-23 22:38:45,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 24 remaining)
[2024-11-23 22:38:45,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining)
[2024-11-23 22:38:45,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining)
[2024-11-23 22:38:45,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining)
[2024-11-23 22:38:45,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 24 remaining)
[2024-11-23 22:38:45,548 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 24 remaining)
[2024-11-23 22:38:45,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 24 remaining)
[2024-11-23 22:38:45,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 24 remaining)
[2024-11-23 22:38:45,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 24 remaining)
[2024-11-23 22:38:45,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 24 remaining)
[2024-11-23 22:38:45,550 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining)
[2024-11-23 22:38:45,550 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining)
[2024-11-23 22:38:45,553 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 24 remaining)
[2024-11-23 22:38:45,554 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining)
[2024-11-23 22:38:45,554 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining)
[2024-11-23 22:38:45,554 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining)
[2024-11-23 22:38:45,554 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining)
[2024-11-23 22:38:45,554 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 24 remaining)
[2024-11-23 22:38:45,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63
[2024-11-23 22:38:45,554 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:38:45,555 WARN L246 ceAbstractionStarter]: 16 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:38:45,555 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 17 thread instances.
[2024-11-23 22:38:45,699 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:45,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 700 places, 701 transitions, 2082 flow
[2024-11-23 22:38:45,990 INFO L124 PetriNetUnfolderBase]: 92/1183 cut-off events.
[2024-11-23 22:38:45,990 INFO L125 PetriNetUnfolderBase]: For 952/952 co-relation queries the response was YES.
[2024-11-23 22:38:46,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1424 conditions, 1183 events. 92/1183 cut-off events. For 952/952 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 3265 event pairs, 0 based on Foata normal form. 0/1033 useless extension candidates. Maximal degree in co-relation 1389. Up to 36 conditions per place.
[2024-11-23 22:38:46,005 INFO L82 GeneralOperation]: Start removeDead. Operand has 700 places, 701 transitions, 2082 flow
[2024-11-23 22:38:46,012 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 237 places, 204 transitions, 751 flow
[2024-11-23 22:38:46,016 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:46,016 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:46,016 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations.
[2024-11-23 22:38:46,018 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:46,018 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:46,019 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:46,019 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:46,019 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:46,019 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] ===
[2024-11-23 22:38:46,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:46,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1172658522, now seen corresponding path program 1 times
[2024-11-23 22:38:46,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:46,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970709592]
[2024-11-23 22:38:46,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:46,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:46,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:46,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970709592]
[2024-11-23 22:38:46,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970709592] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:46,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:46,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:46,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927045907]
[2024-11-23 22:38:46,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:46,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:46,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:46,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:46,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:46,179 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 569 out of 701
[2024-11-23 22:38:46,181 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 204 transitions, 751 flow. Second operand has 3 states, 3 states have (on average 570.3333333333334) internal successors, (1711), 3 states have internal predecessors, (1711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:46,181 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:46,181 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 569 of 701
[2024-11-23 22:38:46,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:46,501 INFO L124 PetriNetUnfolderBase]: 37/911 cut-off events.
[2024-11-23 22:38:46,502 INFO L125 PetriNetUnfolderBase]: For 1123/1123 co-relation queries the response was YES.
[2024-11-23 22:38:46,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1270 conditions, 911 events. 37/911 cut-off events. For 1123/1123 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 2477 event pairs, 18 based on Foata normal form. 37/871 useless extension candidates. Maximal degree in co-relation 1173. Up to 132 conditions per place.
[2024-11-23 22:38:46,514 INFO L140 encePairwiseOnDemand]: 695/701 looper letters, 27 selfloop transitions, 2 changer transitions 1/200 dead transitions.
[2024-11-23 22:38:46,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 200 transitions, 801 flow
[2024-11-23 22:38:46,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:46,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:46,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1740 transitions.
[2024-11-23 22:38:46,517 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8273894436519258
[2024-11-23 22:38:46,518 INFO L175 Difference]: Start difference. First operand has 237 places, 204 transitions, 751 flow. Second operand 3 states and 1740 transitions.
[2024-11-23 22:38:46,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 200 transitions, 801 flow
[2024-11-23 22:38:46,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 200 transitions, 560 flow, removed 120 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:46,527 INFO L231 Difference]: Finished difference. Result has 237 places, 199 transitions, 504 flow
[2024-11-23 22:38:46,528 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=701, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=504, PETRI_PLACES=237, PETRI_TRANSITIONS=199}
[2024-11-23 22:38:46,528 INFO L279 CegarLoopForPetriNet]: 237 programPoint places, 0 predicate places.
[2024-11-23 22:38:46,529 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 199 transitions, 504 flow
[2024-11-23 22:38:46,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 570.3333333333334) internal successors, (1711), 3 states have internal predecessors, (1711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:46,529 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:46,529 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:46,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64
[2024-11-23 22:38:46,530 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] ===
[2024-11-23 22:38:46,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:46,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1449435406, now seen corresponding path program 1 times
[2024-11-23 22:38:46,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:46,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175091567]
[2024-11-23 22:38:46,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:46,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:46,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:46,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:46,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175091567]
[2024-11-23 22:38:46,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175091567] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:46,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:46,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:46,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488979822]
[2024-11-23 22:38:46,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:46,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:46,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:46,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:46,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:46,674 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 533 out of 701
[2024-11-23 22:38:46,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 199 transitions, 504 flow. Second operand has 3 states, 3 states have (on average 534.0) internal successors, (1602), 3 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:46,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:46,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 533 of 701
[2024-11-23 22:38:46,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:46,938 INFO L124 PetriNetUnfolderBase]: 19/817 cut-off events.
[2024-11-23 22:38:46,938 INFO L125 PetriNetUnfolderBase]: For 186/186 co-relation queries the response was YES.
[2024-11-23 22:38:46,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1021 conditions, 817 events. 19/817 cut-off events. For 186/186 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 1855 event pairs, 0 based on Foata normal form. 18/798 useless extension candidates. Maximal degree in co-relation 980. Up to 95 conditions per place.
[2024-11-23 22:38:46,947 INFO L140 encePairwiseOnDemand]: 695/701 looper letters, 25 selfloop transitions, 1 changer transitions 24/194 dead transitions.
[2024-11-23 22:38:46,947 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 194 transitions, 550 flow
[2024-11-23 22:38:46,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:46,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:46,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1632 transitions.
[2024-11-23 22:38:46,950 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.776034236804565
[2024-11-23 22:38:46,950 INFO L175 Difference]: Start difference. First operand has 237 places, 199 transitions, 504 flow. Second operand 3 states and 1632 transitions.
[2024-11-23 22:38:46,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 194 transitions, 550 flow
[2024-11-23 22:38:46,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 194 transitions, 546 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:46,955 INFO L231 Difference]: Finished difference. Result has 231 places, 170 transitions, 442 flow
[2024-11-23 22:38:46,956 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=701, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=442, PETRI_PLACES=231, PETRI_TRANSITIONS=170}
[2024-11-23 22:38:46,956 INFO L279 CegarLoopForPetriNet]: 237 programPoint places, -6 predicate places.
[2024-11-23 22:38:46,957 INFO L471 AbstractCegarLoop]: Abstraction has has 231 places, 170 transitions, 442 flow
[2024-11-23 22:38:46,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 534.0) internal successors, (1602), 3 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:46,957 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:46,958 INFO L206 CegarLoopForPetriNet]: trace histogram [18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:46,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65
[2024-11-23 22:38:46,958 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] ===
[2024-11-23 22:38:46,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:46,961 INFO L85 PathProgramCache]: Analyzing trace with hash -131647649, now seen corresponding path program 1 times
[2024-11-23 22:38:46,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:46,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057370138]
[2024-11-23 22:38:46,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:46,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:47,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:47,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:47,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057370138]
[2024-11-23 22:38:47,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057370138] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:47,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:47,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:38:47,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615502366]
[2024-11-23 22:38:47,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:47,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:38:47,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:47,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:38:47,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:38:47,318 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 584 out of 701
[2024-11-23 22:38:47,321 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 170 transitions, 442 flow. Second operand has 5 states, 5 states have (on average 589.4) internal successors, (2947), 5 states have internal predecessors, (2947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:47,321 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:47,321 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 584 of 701
[2024-11-23 22:38:47,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:47,490 INFO L124 PetriNetUnfolderBase]: 0/398 cut-off events.
[2024-11-23 22:38:47,490 INFO L125 PetriNetUnfolderBase]: For 185/185 co-relation queries the response was YES.
[2024-11-23 22:38:47,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 532 conditions, 398 events. 0/398 cut-off events. For 185/185 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 231 event pairs, 0 based on Foata normal form. 1/398 useless extension candidates. Maximal degree in co-relation 0. Up to 59 conditions per place.
[2024-11-23 22:38:47,492 INFO L140 encePairwiseOnDemand]: 696/701 looper letters, 25 selfloop transitions, 2 changer transitions 3/172 dead transitions.
[2024-11-23 22:38:47,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 172 transitions, 506 flow
[2024-11-23 22:38:47,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:38:47,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:38:47,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2951 transitions.
[2024-11-23 22:38:47,496 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8419400855920114
[2024-11-23 22:38:47,496 INFO L175 Difference]: Start difference. First operand has 231 places, 170 transitions, 442 flow. Second operand 5 states and 2951 transitions.
[2024-11-23 22:38:47,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 172 transitions, 506 flow
[2024-11-23 22:38:47,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 172 transitions, 505 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:47,501 INFO L231 Difference]: Finished difference. Result has 211 places, 169 transitions, 447 flow
[2024-11-23 22:38:47,502 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=701, PETRI_DIFFERENCE_MINUEND_FLOW=441, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=447, PETRI_PLACES=211, PETRI_TRANSITIONS=169}
[2024-11-23 22:38:47,502 INFO L279 CegarLoopForPetriNet]: 237 programPoint places, -26 predicate places.
[2024-11-23 22:38:47,502 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 169 transitions, 447 flow
[2024-11-23 22:38:47,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 589.4) internal successors, (2947), 5 states have internal predecessors, (2947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:47,504 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:47,504 INFO L206 CegarLoopForPetriNet]: trace histogram [18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:47,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66
[2024-11-23 22:38:47,505 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 22 more)] ===
[2024-11-23 22:38:47,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:47,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1606807201, now seen corresponding path program 1 times
[2024-11-23 22:38:47,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:47,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520826627]
[2024-11-23 22:38:47,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:47,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:47,563 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:38:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:47,663 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:38:47,663 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:38:47,663 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 25 remaining)
[2024-11-23 22:38:47,663 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining)
[2024-11-23 22:38:47,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining)
[2024-11-23 22:38:47,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining)
[2024-11-23 22:38:47,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining)
[2024-11-23 22:38:47,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining)
[2024-11-23 22:38:47,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 25 remaining)
[2024-11-23 22:38:47,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining)
[2024-11-23 22:38:47,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining)
[2024-11-23 22:38:47,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining)
[2024-11-23 22:38:47,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining)
[2024-11-23 22:38:47,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining)
[2024-11-23 22:38:47,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining)
[2024-11-23 22:38:47,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining)
[2024-11-23 22:38:47,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 25 remaining)
[2024-11-23 22:38:47,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 25 remaining)
[2024-11-23 22:38:47,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining)
[2024-11-23 22:38:47,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining)
[2024-11-23 22:38:47,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining)
[2024-11-23 22:38:47,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining)
[2024-11-23 22:38:47,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining)
[2024-11-23 22:38:47,667 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining)
[2024-11-23 22:38:47,667 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining)
[2024-11-23 22:38:47,667 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining)
[2024-11-23 22:38:47,667 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining)
[2024-11-23 22:38:47,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67
[2024-11-23 22:38:47,667 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:38:47,668 WARN L246 ceAbstractionStarter]: 17 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:38:47,668 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 18 thread instances.
[2024-11-23 22:38:47,815 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:47,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 737 places, 738 transitions, 2232 flow
[2024-11-23 22:38:48,185 INFO L124 PetriNetUnfolderBase]: 97/1247 cut-off events.
[2024-11-23 22:38:48,185 INFO L125 PetriNetUnfolderBase]: For 1122/1122 co-relation queries the response was YES.
[2024-11-23 22:38:48,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1511 conditions, 1247 events. 97/1247 cut-off events. For 1122/1122 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 3633 event pairs, 0 based on Foata normal form. 0/1089 useless extension candidates. Maximal degree in co-relation 1474. Up to 38 conditions per place.
[2024-11-23 22:38:48,202 INFO L82 GeneralOperation]: Start removeDead. Operand has 737 places, 738 transitions, 2232 flow
[2024-11-23 22:38:48,206 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 246 places, 211 transitions, 803 flow
[2024-11-23 22:38:48,207 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:48,209 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:48,209 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations.
[2024-11-23 22:38:48,211 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:48,211 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:48,211 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:48,211 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:48,211 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:48,211 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] ===
[2024-11-23 22:38:48,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:48,212 INFO L85 PathProgramCache]: Analyzing trace with hash -522991450, now seen corresponding path program 1 times
[2024-11-23 22:38:48,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:48,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725271133]
[2024-11-23 22:38:48,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:48,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:48,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:48,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:48,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725271133]
[2024-11-23 22:38:48,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725271133] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:48,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:48,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:48,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071413721]
[2024-11-23 22:38:48,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:48,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:48,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:48,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:48,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:48,414 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 599 out of 738
[2024-11-23 22:38:48,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 211 transitions, 803 flow. Second operand has 3 states, 3 states have (on average 600.3333333333334) internal successors, (1801), 3 states have internal predecessors, (1801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:48,420 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:48,420 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 599 of 738
[2024-11-23 22:38:48,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:48,755 INFO L124 PetriNetUnfolderBase]: 39/960 cut-off events.
[2024-11-23 22:38:48,755 INFO L125 PetriNetUnfolderBase]: For 1312/1312 co-relation queries the response was YES.
[2024-11-23 22:38:48,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1348 conditions, 960 events. 39/960 cut-off events. For 1312/1312 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 2535 event pairs, 19 based on Foata normal form. 39/918 useless extension candidates. Maximal degree in co-relation 1249. Up to 139 conditions per place.
[2024-11-23 22:38:48,768 INFO L140 encePairwiseOnDemand]: 732/738 looper letters, 28 selfloop transitions, 2 changer transitions 1/207 dead transitions.
[2024-11-23 22:38:48,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 207 transitions, 855 flow
[2024-11-23 22:38:48,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:48,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:48,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1831 transitions.
[2024-11-23 22:38:48,772 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8270099367660343
[2024-11-23 22:38:48,772 INFO L175 Difference]: Start difference. First operand has 246 places, 211 transitions, 803 flow. Second operand 3 states and 1831 transitions.
[2024-11-23 22:38:48,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 207 transitions, 855 flow
[2024-11-23 22:38:48,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 207 transitions, 582 flow, removed 136 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:48,781 INFO L231 Difference]: Finished difference. Result has 246 places, 206 transitions, 524 flow
[2024-11-23 22:38:48,782 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=738, PETRI_DIFFERENCE_MINUEND_FLOW=522, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=524, PETRI_PLACES=246, PETRI_TRANSITIONS=206}
[2024-11-23 22:38:48,783 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, 0 predicate places.
[2024-11-23 22:38:48,783 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 206 transitions, 524 flow
[2024-11-23 22:38:48,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 600.3333333333334) internal successors, (1801), 3 states have internal predecessors, (1801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:48,784 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:48,785 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:48,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68
[2024-11-23 22:38:48,785 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] ===
[2024-11-23 22:38:48,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:48,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1494707086, now seen corresponding path program 1 times
[2024-11-23 22:38:48,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:48,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671186745]
[2024-11-23 22:38:48,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:48,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:48,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:48,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:48,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671186745]
[2024-11-23 22:38:48,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671186745] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:48,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:48,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:48,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736278649]
[2024-11-23 22:38:48,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:48,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:48,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:48,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:48,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:48,917 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 561 out of 738
[2024-11-23 22:38:48,918 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 206 transitions, 524 flow. Second operand has 3 states, 3 states have (on average 562.0) internal successors, (1686), 3 states have internal predecessors, (1686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:48,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:48,919 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 561 of 738
[2024-11-23 22:38:48,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:49,119 INFO L124 PetriNetUnfolderBase]: 20/861 cut-off events.
[2024-11-23 22:38:49,119 INFO L125 PetriNetUnfolderBase]: For 206/206 co-relation queries the response was YES.
[2024-11-23 22:38:49,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1076 conditions, 861 events. 20/861 cut-off events. For 206/206 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1871 event pairs, 0 based on Foata normal form. 19/841 useless extension candidates. Maximal degree in co-relation 1034. Up to 100 conditions per place.
[2024-11-23 22:38:49,127 INFO L140 encePairwiseOnDemand]: 732/738 looper letters, 26 selfloop transitions, 1 changer transitions 24/201 dead transitions.
[2024-11-23 22:38:49,127 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 201 transitions, 572 flow
[2024-11-23 22:38:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:49,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:49,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1717 transitions.
[2024-11-23 22:38:49,130 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7755194218608853
[2024-11-23 22:38:49,130 INFO L175 Difference]: Start difference. First operand has 246 places, 206 transitions, 524 flow. Second operand 3 states and 1717 transitions.
[2024-11-23 22:38:49,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 201 transitions, 572 flow
[2024-11-23 22:38:49,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 201 transitions, 568 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:49,134 INFO L231 Difference]: Finished difference. Result has 240 places, 177 transitions, 462 flow
[2024-11-23 22:38:49,134 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=738, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=240, PETRI_TRANSITIONS=177}
[2024-11-23 22:38:49,135 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -6 predicate places.
[2024-11-23 22:38:49,135 INFO L471 AbstractCegarLoop]: Abstraction has has 240 places, 177 transitions, 462 flow
[2024-11-23 22:38:49,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 562.0) internal successors, (1686), 3 states have internal predecessors, (1686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:49,136 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:49,136 INFO L206 CegarLoopForPetriNet]: trace histogram [19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:49,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69
[2024-11-23 22:38:49,136 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] ===
[2024-11-23 22:38:49,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:49,138 INFO L85 PathProgramCache]: Analyzing trace with hash 2071945998, now seen corresponding path program 1 times
[2024-11-23 22:38:49,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:49,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119410137]
[2024-11-23 22:38:49,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:49,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:49,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:49,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:49,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119410137]
[2024-11-23 22:38:49,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119410137] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:49,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:49,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:38:49,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035006000]
[2024-11-23 22:38:49,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:49,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:38:49,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:49,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:38:49,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:38:49,498 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 615 out of 738
[2024-11-23 22:38:49,501 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 177 transitions, 462 flow. Second operand has 5 states, 5 states have (on average 620.6) internal successors, (3103), 5 states have internal predecessors, (3103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:49,501 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:49,501 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 615 of 738
[2024-11-23 22:38:49,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:49,678 INFO L124 PetriNetUnfolderBase]: 0/418 cut-off events.
[2024-11-23 22:38:49,678 INFO L125 PetriNetUnfolderBase]: For 205/205 co-relation queries the response was YES.
[2024-11-23 22:38:49,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 559 conditions, 418 events. 0/418 cut-off events. For 205/205 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 243 event pairs, 0 based on Foata normal form. 1/418 useless extension candidates. Maximal degree in co-relation 0. Up to 62 conditions per place.
[2024-11-23 22:38:49,680 INFO L140 encePairwiseOnDemand]: 733/738 looper letters, 26 selfloop transitions, 2 changer transitions 3/179 dead transitions.
[2024-11-23 22:38:49,680 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 179 transitions, 528 flow
[2024-11-23 22:38:49,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:38:49,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:38:49,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3107 transitions.
[2024-11-23 22:38:49,684 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8420054200542005
[2024-11-23 22:38:49,684 INFO L175 Difference]: Start difference. First operand has 240 places, 177 transitions, 462 flow. Second operand 5 states and 3107 transitions.
[2024-11-23 22:38:49,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 179 transitions, 528 flow
[2024-11-23 22:38:49,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 179 transitions, 527 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:49,689 INFO L231 Difference]: Finished difference. Result has 220 places, 176 transitions, 467 flow
[2024-11-23 22:38:49,690 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=738, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=467, PETRI_PLACES=220, PETRI_TRANSITIONS=176}
[2024-11-23 22:38:49,690 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -26 predicate places.
[2024-11-23 22:38:49,690 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 176 transitions, 467 flow
[2024-11-23 22:38:49,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 620.6) internal successors, (3103), 5 states have internal predecessors, (3103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:49,692 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:49,692 INFO L206 CegarLoopForPetriNet]: trace histogram [19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:49,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70
[2024-11-23 22:38:49,693 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] ===
[2024-11-23 22:38:49,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:49,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1867787630, now seen corresponding path program 1 times
[2024-11-23 22:38:49,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:49,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409483598]
[2024-11-23 22:38:49,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:49,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:49,753 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:38:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:49,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:38:49,855 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:38:49,856 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 26 remaining)
[2024-11-23 22:38:49,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 26 remaining)
[2024-11-23 22:38:49,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 26 remaining)
[2024-11-23 22:38:49,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 26 remaining)
[2024-11-23 22:38:49,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 26 remaining)
[2024-11-23 22:38:49,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 26 remaining)
[2024-11-23 22:38:49,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 26 remaining)
[2024-11-23 22:38:49,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 26 remaining)
[2024-11-23 22:38:49,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 26 remaining)
[2024-11-23 22:38:49,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 26 remaining)
[2024-11-23 22:38:49,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 26 remaining)
[2024-11-23 22:38:49,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 26 remaining)
[2024-11-23 22:38:49,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 26 remaining)
[2024-11-23 22:38:49,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 26 remaining)
[2024-11-23 22:38:49,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 26 remaining)
[2024-11-23 22:38:49,858 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 26 remaining)
[2024-11-23 22:38:49,858 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 26 remaining)
[2024-11-23 22:38:49,858 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 26 remaining)
[2024-11-23 22:38:49,858 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 26 remaining)
[2024-11-23 22:38:49,858 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 26 remaining)
[2024-11-23 22:38:49,858 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 26 remaining)
[2024-11-23 22:38:49,858 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 26 remaining)
[2024-11-23 22:38:49,858 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 26 remaining)
[2024-11-23 22:38:49,859 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 26 remaining)
[2024-11-23 22:38:49,859 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 26 remaining)
[2024-11-23 22:38:49,859 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 26 remaining)
[2024-11-23 22:38:49,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71
[2024-11-23 22:38:49,859 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:38:49,860 WARN L246 ceAbstractionStarter]: 18 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:38:49,860 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 19 thread instances.
[2024-11-23 22:38:50,013 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:50,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 774 places, 775 transitions, 2386 flow
[2024-11-23 22:38:50,368 INFO L124 PetriNetUnfolderBase]: 102/1311 cut-off events.
[2024-11-23 22:38:50,369 INFO L125 PetriNetUnfolderBase]: For 1311/1311 co-relation queries the response was YES.
[2024-11-23 22:38:50,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1599 conditions, 1311 events. 102/1311 cut-off events. For 1311/1311 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 3798 event pairs, 0 based on Foata normal form. 0/1145 useless extension candidates. Maximal degree in co-relation 1560. Up to 40 conditions per place.
[2024-11-23 22:38:50,388 INFO L82 GeneralOperation]: Start removeDead. Operand has 774 places, 775 transitions, 2386 flow
[2024-11-23 22:38:50,393 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 255 places, 218 transitions, 857 flow
[2024-11-23 22:38:50,394 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:50,395 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:50,396 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations.
[2024-11-23 22:38:50,398 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:50,398 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:50,398 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:50,398 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:50,398 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:50,399 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2024-11-23 22:38:50,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:50,399 INFO L85 PathProgramCache]: Analyzing trace with hash 77770662, now seen corresponding path program 1 times
[2024-11-23 22:38:50,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:50,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659969807]
[2024-11-23 22:38:50,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:50,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:50,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:50,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:50,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659969807]
[2024-11-23 22:38:50,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659969807] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:50,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:50,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:50,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983165998]
[2024-11-23 22:38:50,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:50,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:50,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:50,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:50,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:50,596 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 629 out of 775
[2024-11-23 22:38:50,598 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 218 transitions, 857 flow. Second operand has 3 states, 3 states have (on average 630.3333333333334) internal successors, (1891), 3 states have internal predecessors, (1891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:50,598 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:50,598 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 629 of 775
[2024-11-23 22:38:50,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:50,948 INFO L124 PetriNetUnfolderBase]: 41/1009 cut-off events.
[2024-11-23 22:38:50,948 INFO L125 PetriNetUnfolderBase]: For 1521/1521 co-relation queries the response was YES.
[2024-11-23 22:38:50,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1427 conditions, 1009 events. 41/1009 cut-off events. For 1521/1521 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 2676 event pairs, 20 based on Foata normal form. 41/965 useless extension candidates. Maximal degree in co-relation 1326. Up to 146 conditions per place.
[2024-11-23 22:38:50,959 INFO L140 encePairwiseOnDemand]: 769/775 looper letters, 29 selfloop transitions, 2 changer transitions 1/214 dead transitions.
[2024-11-23 22:38:50,959 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 214 transitions, 911 flow
[2024-11-23 22:38:50,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:50,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:50,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1922 transitions.
[2024-11-23 22:38:50,961 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8266666666666667
[2024-11-23 22:38:50,961 INFO L175 Difference]: Start difference. First operand has 255 places, 218 transitions, 857 flow. Second operand 3 states and 1922 transitions.
[2024-11-23 22:38:50,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 214 transitions, 911 flow
[2024-11-23 22:38:50,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 214 transitions, 604 flow, removed 153 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:50,970 INFO L231 Difference]: Finished difference. Result has 255 places, 213 transitions, 544 flow
[2024-11-23 22:38:50,970 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=775, PETRI_DIFFERENCE_MINUEND_FLOW=542, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=544, PETRI_PLACES=255, PETRI_TRANSITIONS=213}
[2024-11-23 22:38:50,971 INFO L279 CegarLoopForPetriNet]: 255 programPoint places, 0 predicate places.
[2024-11-23 22:38:50,971 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 213 transitions, 544 flow
[2024-11-23 22:38:50,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 630.3333333333334) internal successors, (1891), 3 states have internal predecessors, (1891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:50,972 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:50,972 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:50,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72
[2024-11-23 22:38:50,972 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2024-11-23 22:38:50,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:50,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1635328946, now seen corresponding path program 1 times
[2024-11-23 22:38:50,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:50,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441245606]
[2024-11-23 22:38:50,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:50,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:51,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:51,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:51,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441245606]
[2024-11-23 22:38:51,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441245606] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:51,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:51,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:51,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106652164]
[2024-11-23 22:38:51,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:51,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:51,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:51,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:51,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:51,138 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 589 out of 775
[2024-11-23 22:38:51,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 213 transitions, 544 flow. Second operand has 3 states, 3 states have (on average 590.0) internal successors, (1770), 3 states have internal predecessors, (1770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:51,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:51,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 589 of 775
[2024-11-23 22:38:51,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:51,526 INFO L124 PetriNetUnfolderBase]: 21/905 cut-off events.
[2024-11-23 22:38:51,526 INFO L125 PetriNetUnfolderBase]: For 227/227 co-relation queries the response was YES.
[2024-11-23 22:38:51,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1131 conditions, 905 events. 21/905 cut-off events. For 227/227 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 1973 event pairs, 0 based on Foata normal form. 20/884 useless extension candidates. Maximal degree in co-relation 1088. Up to 105 conditions per place.
[2024-11-23 22:38:51,539 INFO L140 encePairwiseOnDemand]: 769/775 looper letters, 27 selfloop transitions, 1 changer transitions 24/208 dead transitions.
[2024-11-23 22:38:51,539 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 208 transitions, 594 flow
[2024-11-23 22:38:51,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:51,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:51,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1802 transitions.
[2024-11-23 22:38:51,543 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7750537634408602
[2024-11-23 22:38:51,543 INFO L175 Difference]: Start difference. First operand has 255 places, 213 transitions, 544 flow. Second operand 3 states and 1802 transitions.
[2024-11-23 22:38:51,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 208 transitions, 594 flow
[2024-11-23 22:38:51,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 208 transitions, 590 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:51,550 INFO L231 Difference]: Finished difference. Result has 249 places, 184 transitions, 482 flow
[2024-11-23 22:38:51,550 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=775, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=482, PETRI_PLACES=249, PETRI_TRANSITIONS=184}
[2024-11-23 22:38:51,551 INFO L279 CegarLoopForPetriNet]: 255 programPoint places, -6 predicate places.
[2024-11-23 22:38:51,551 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 184 transitions, 482 flow
[2024-11-23 22:38:51,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 590.0) internal successors, (1770), 3 states have internal predecessors, (1770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:51,552 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:51,552 INFO L206 CegarLoopForPetriNet]: trace histogram [20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:51,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73
[2024-11-23 22:38:51,553 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2024-11-23 22:38:51,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:51,556 INFO L85 PathProgramCache]: Analyzing trace with hash 106505867, now seen corresponding path program 1 times
[2024-11-23 22:38:51,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:51,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447026556]
[2024-11-23 22:38:51,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:51,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:51,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:51,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:51,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447026556]
[2024-11-23 22:38:51,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447026556] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:51,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:51,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:38:51,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587806552]
[2024-11-23 22:38:51,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:51,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:38:51,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:51,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:38:51,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:38:51,966 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 646 out of 775
[2024-11-23 22:38:51,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 184 transitions, 482 flow. Second operand has 5 states, 5 states have (on average 651.8) internal successors, (3259), 5 states have internal predecessors, (3259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:51,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:51,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 646 of 775
[2024-11-23 22:38:51,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:52,155 INFO L124 PetriNetUnfolderBase]: 0/438 cut-off events.
[2024-11-23 22:38:52,155 INFO L125 PetriNetUnfolderBase]: For 226/226 co-relation queries the response was YES.
[2024-11-23 22:38:52,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 586 conditions, 438 events. 0/438 cut-off events. For 226/226 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 255 event pairs, 0 based on Foata normal form. 1/438 useless extension candidates. Maximal degree in co-relation 0. Up to 65 conditions per place.
[2024-11-23 22:38:52,156 INFO L140 encePairwiseOnDemand]: 770/775 looper letters, 27 selfloop transitions, 2 changer transitions 3/186 dead transitions.
[2024-11-23 22:38:52,157 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 186 transitions, 550 flow
[2024-11-23 22:38:52,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:38:52,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:38:52,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3263 transitions.
[2024-11-23 22:38:52,160 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8420645161290322
[2024-11-23 22:38:52,160 INFO L175 Difference]: Start difference. First operand has 249 places, 184 transitions, 482 flow. Second operand 5 states and 3263 transitions.
[2024-11-23 22:38:52,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 186 transitions, 550 flow
[2024-11-23 22:38:52,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 186 transitions, 549 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:52,165 INFO L231 Difference]: Finished difference. Result has 229 places, 183 transitions, 487 flow
[2024-11-23 22:38:52,165 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=775, PETRI_DIFFERENCE_MINUEND_FLOW=481, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=487, PETRI_PLACES=229, PETRI_TRANSITIONS=183}
[2024-11-23 22:38:52,166 INFO L279 CegarLoopForPetriNet]: 255 programPoint places, -26 predicate places.
[2024-11-23 22:38:52,166 INFO L471 AbstractCegarLoop]: Abstraction has has 229 places, 183 transitions, 487 flow
[2024-11-23 22:38:52,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 651.8) internal successors, (3259), 5 states have internal predecessors, (3259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:52,168 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:52,168 INFO L206 CegarLoopForPetriNet]: trace histogram [20, 20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:52,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74
[2024-11-23 22:38:52,168 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] ===
[2024-11-23 22:38:52,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:52,171 INFO L85 PathProgramCache]: Analyzing trace with hash -491638940, now seen corresponding path program 1 times
[2024-11-23 22:38:52,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:52,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980787831]
[2024-11-23 22:38:52,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:52,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:52,223 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:38:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:52,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:38:52,327 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:38:52,327 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 27 remaining)
[2024-11-23 22:38:52,328 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining)
[2024-11-23 22:38:52,328 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining)
[2024-11-23 22:38:52,328 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining)
[2024-11-23 22:38:52,328 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining)
[2024-11-23 22:38:52,328 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining)
[2024-11-23 22:38:52,328 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 27 remaining)
[2024-11-23 22:38:52,328 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining)
[2024-11-23 22:38:52,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining)
[2024-11-23 22:38:52,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining)
[2024-11-23 22:38:52,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining)
[2024-11-23 22:38:52,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining)
[2024-11-23 22:38:52,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining)
[2024-11-23 22:38:52,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining)
[2024-11-23 22:38:52,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining)
[2024-11-23 22:38:52,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining)
[2024-11-23 22:38:52,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining)
[2024-11-23 22:38:52,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining)
[2024-11-23 22:38:52,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining)
[2024-11-23 22:38:52,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining)
[2024-11-23 22:38:52,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining)
[2024-11-23 22:38:52,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining)
[2024-11-23 22:38:52,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining)
[2024-11-23 22:38:52,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining)
[2024-11-23 22:38:52,330 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining)
[2024-11-23 22:38:52,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining)
[2024-11-23 22:38:52,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining)
[2024-11-23 22:38:52,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75
[2024-11-23 22:38:52,331 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:38:52,332 WARN L246 ceAbstractionStarter]: 19 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:38:52,333 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 20 thread instances.
[2024-11-23 22:38:52,493 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:52,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 811 places, 812 transitions, 2544 flow
[2024-11-23 22:38:52,898 INFO L124 PetriNetUnfolderBase]: 107/1375 cut-off events.
[2024-11-23 22:38:52,898 INFO L125 PetriNetUnfolderBase]: For 1520/1520 co-relation queries the response was YES.
[2024-11-23 22:38:52,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1688 conditions, 1375 events. 107/1375 cut-off events. For 1520/1520 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 3997 event pairs, 0 based on Foata normal form. 0/1201 useless extension candidates. Maximal degree in co-relation 1647. Up to 42 conditions per place.
[2024-11-23 22:38:52,918 INFO L82 GeneralOperation]: Start removeDead. Operand has 811 places, 812 transitions, 2544 flow
[2024-11-23 22:38:52,923 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 264 places, 225 transitions, 913 flow
[2024-11-23 22:38:52,924 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:52,926 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:52,926 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations.
[2024-11-23 22:38:52,928 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:52,928 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:52,928 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:52,928 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:52,928 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:52,929 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] ===
[2024-11-23 22:38:52,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:52,929 INFO L85 PathProgramCache]: Analyzing trace with hash 629627814, now seen corresponding path program 1 times
[2024-11-23 22:38:52,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:52,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925926181]
[2024-11-23 22:38:52,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:52,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:53,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:53,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:53,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925926181]
[2024-11-23 22:38:53,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925926181] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:53,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:53,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:53,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671375060]
[2024-11-23 22:38:53,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:53,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:53,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:53,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:53,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:53,187 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 659 out of 812
[2024-11-23 22:38:53,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 225 transitions, 913 flow. Second operand has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:53,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:53,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 659 of 812
[2024-11-23 22:38:53,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:53,531 INFO L124 PetriNetUnfolderBase]: 43/1058 cut-off events.
[2024-11-23 22:38:53,531 INFO L125 PetriNetUnfolderBase]: For 1751/1751 co-relation queries the response was YES.
[2024-11-23 22:38:53,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1507 conditions, 1058 events. 43/1058 cut-off events. For 1751/1751 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 2720 event pairs, 21 based on Foata normal form. 22/991 useless extension candidates. Maximal degree in co-relation 1404. Up to 153 conditions per place.
[2024-11-23 22:38:53,544 INFO L140 encePairwiseOnDemand]: 806/812 looper letters, 30 selfloop transitions, 2 changer transitions 1/221 dead transitions.
[2024-11-23 22:38:53,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 221 transitions, 969 flow
[2024-11-23 22:38:53,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:53,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:53,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2013 transitions.
[2024-11-23 22:38:53,546 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8263546798029556
[2024-11-23 22:38:53,546 INFO L175 Difference]: Start difference. First operand has 264 places, 225 transitions, 913 flow. Second operand 3 states and 2013 transitions.
[2024-11-23 22:38:53,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 221 transitions, 969 flow
[2024-11-23 22:38:53,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 221 transitions, 626 flow, removed 171 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:53,555 INFO L231 Difference]: Finished difference. Result has 264 places, 220 transitions, 564 flow
[2024-11-23 22:38:53,555 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=812, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=564, PETRI_PLACES=264, PETRI_TRANSITIONS=220}
[2024-11-23 22:38:53,556 INFO L279 CegarLoopForPetriNet]: 264 programPoint places, 0 predicate places.
[2024-11-23 22:38:53,556 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 220 transitions, 564 flow
[2024-11-23 22:38:53,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:53,557 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:53,557 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:53,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76
[2024-11-23 22:38:53,557 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] ===
[2024-11-23 22:38:53,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:53,557 INFO L85 PathProgramCache]: Analyzing trace with hash 649261902, now seen corresponding path program 1 times
[2024-11-23 22:38:53,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:53,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069078619]
[2024-11-23 22:38:53,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:53,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:53,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:53,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:53,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069078619]
[2024-11-23 22:38:53,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069078619] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:53,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:53,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:53,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658579368]
[2024-11-23 22:38:53,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:53,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:53,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:53,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:53,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:53,664 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 617 out of 812
[2024-11-23 22:38:53,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 264 places, 220 transitions, 564 flow. Second operand has 3 states, 3 states have (on average 618.0) internal successors, (1854), 3 states have internal predecessors, (1854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:53,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:53,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 617 of 812
[2024-11-23 22:38:53,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:53,973 INFO L124 PetriNetUnfolderBase]: 22/949 cut-off events.
[2024-11-23 22:38:53,973 INFO L125 PetriNetUnfolderBase]: For 249/249 co-relation queries the response was YES.
[2024-11-23 22:38:53,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1186 conditions, 949 events. 22/949 cut-off events. For 249/249 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2033 event pairs, 0 based on Foata normal form. 21/927 useless extension candidates. Maximal degree in co-relation 1142. Up to 110 conditions per place.
[2024-11-23 22:38:53,985 INFO L140 encePairwiseOnDemand]: 806/812 looper letters, 28 selfloop transitions, 1 changer transitions 24/215 dead transitions.
[2024-11-23 22:38:53,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 215 transitions, 616 flow
[2024-11-23 22:38:53,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:53,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:53,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1887 transitions.
[2024-11-23 22:38:53,988 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7746305418719212
[2024-11-23 22:38:53,988 INFO L175 Difference]: Start difference. First operand has 264 places, 220 transitions, 564 flow. Second operand 3 states and 1887 transitions.
[2024-11-23 22:38:53,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 215 transitions, 616 flow
[2024-11-23 22:38:53,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 215 transitions, 612 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:53,993 INFO L231 Difference]: Finished difference. Result has 258 places, 191 transitions, 502 flow
[2024-11-23 22:38:53,994 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=812, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=502, PETRI_PLACES=258, PETRI_TRANSITIONS=191}
[2024-11-23 22:38:53,994 INFO L279 CegarLoopForPetriNet]: 264 programPoint places, -6 predicate places.
[2024-11-23 22:38:53,994 INFO L471 AbstractCegarLoop]: Abstraction has has 258 places, 191 transitions, 502 flow
[2024-11-23 22:38:53,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 618.0) internal successors, (1854), 3 states have internal predecessors, (1854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:53,995 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:53,996 INFO L206 CegarLoopForPetriNet]: trace histogram [21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:53,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77
[2024-11-23 22:38:53,996 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] ===
[2024-11-23 22:38:53,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:53,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1985737206, now seen corresponding path program 1 times
[2024-11-23 22:38:53,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:53,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869230147]
[2024-11-23 22:38:53,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:53,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:54,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:54,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869230147]
[2024-11-23 22:38:54,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869230147] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:54,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:54,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:38:54,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040471821]
[2024-11-23 22:38:54,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:54,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:38:54,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:54,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:38:54,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:38:54,377 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 677 out of 812
[2024-11-23 22:38:54,380 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 191 transitions, 502 flow. Second operand has 5 states, 5 states have (on average 683.0) internal successors, (3415), 5 states have internal predecessors, (3415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:54,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:54,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 677 of 812
[2024-11-23 22:38:54,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:54,587 INFO L124 PetriNetUnfolderBase]: 0/458 cut-off events.
[2024-11-23 22:38:54,588 INFO L125 PetriNetUnfolderBase]: For 248/248 co-relation queries the response was YES.
[2024-11-23 22:38:54,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 458 events. 0/458 cut-off events. For 248/248 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 267 event pairs, 0 based on Foata normal form. 1/458 useless extension candidates. Maximal degree in co-relation 0. Up to 68 conditions per place.
[2024-11-23 22:38:54,589 INFO L140 encePairwiseOnDemand]: 807/812 looper letters, 28 selfloop transitions, 2 changer transitions 3/193 dead transitions.
[2024-11-23 22:38:54,589 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 193 transitions, 572 flow
[2024-11-23 22:38:54,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:38:54,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:38:54,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3419 transitions.
[2024-11-23 22:38:54,594 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8421182266009852
[2024-11-23 22:38:54,594 INFO L175 Difference]: Start difference. First operand has 258 places, 191 transitions, 502 flow. Second operand 5 states and 3419 transitions.
[2024-11-23 22:38:54,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 193 transitions, 572 flow
[2024-11-23 22:38:54,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 193 transitions, 571 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:54,600 INFO L231 Difference]: Finished difference. Result has 238 places, 190 transitions, 507 flow
[2024-11-23 22:38:54,600 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=812, PETRI_DIFFERENCE_MINUEND_FLOW=501, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=507, PETRI_PLACES=238, PETRI_TRANSITIONS=190}
[2024-11-23 22:38:54,601 INFO L279 CegarLoopForPetriNet]: 264 programPoint places, -26 predicate places.
[2024-11-23 22:38:54,601 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 190 transitions, 507 flow
[2024-11-23 22:38:54,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 683.0) internal successors, (3415), 5 states have internal predecessors, (3415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:54,602 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:54,602 INFO L206 CegarLoopForPetriNet]: trace histogram [21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:54,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78
[2024-11-23 22:38:54,603 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] ===
[2024-11-23 22:38:54,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:54,606 INFO L85 PathProgramCache]: Analyzing trace with hash 804672227, now seen corresponding path program 1 times
[2024-11-23 22:38:54,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:54,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792314065]
[2024-11-23 22:38:54,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:54,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:54,664 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:38:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:54,883 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:38:54,884 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:38:54,884 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 28 remaining)
[2024-11-23 22:38:54,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 28 remaining)
[2024-11-23 22:38:54,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 28 remaining)
[2024-11-23 22:38:54,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 28 remaining)
[2024-11-23 22:38:54,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (23 of 28 remaining)
[2024-11-23 22:38:54,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (22 of 28 remaining)
[2024-11-23 22:38:54,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 28 remaining)
[2024-11-23 22:38:54,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 28 remaining)
[2024-11-23 22:38:54,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 28 remaining)
[2024-11-23 22:38:54,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 28 remaining)
[2024-11-23 22:38:54,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 28 remaining)
[2024-11-23 22:38:54,885 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 28 remaining)
[2024-11-23 22:38:54,886 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 28 remaining)
[2024-11-23 22:38:54,886 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 28 remaining)
[2024-11-23 22:38:54,886 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 28 remaining)
[2024-11-23 22:38:54,886 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 28 remaining)
[2024-11-23 22:38:54,886 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 28 remaining)
[2024-11-23 22:38:54,886 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 28 remaining)
[2024-11-23 22:38:54,886 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 28 remaining)
[2024-11-23 22:38:54,886 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 28 remaining)
[2024-11-23 22:38:54,887 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 28 remaining)
[2024-11-23 22:38:54,887 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 28 remaining)
[2024-11-23 22:38:54,887 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 28 remaining)
[2024-11-23 22:38:54,887 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 28 remaining)
[2024-11-23 22:38:54,887 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 28 remaining)
[2024-11-23 22:38:54,887 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 28 remaining)
[2024-11-23 22:38:54,887 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 28 remaining)
[2024-11-23 22:38:54,887 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 28 remaining)
[2024-11-23 22:38:54,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79
[2024-11-23 22:38:54,888 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:38:54,888 WARN L246 ceAbstractionStarter]: 20 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:38:54,888 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 21 thread instances.
[2024-11-23 22:38:55,055 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:55,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 848 places, 849 transitions, 2706 flow
[2024-11-23 22:38:55,498 INFO L124 PetriNetUnfolderBase]: 112/1439 cut-off events.
[2024-11-23 22:38:55,498 INFO L125 PetriNetUnfolderBase]: For 1750/1750 co-relation queries the response was YES.
[2024-11-23 22:38:55,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1778 conditions, 1439 events. 112/1439 cut-off events. For 1750/1750 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 4125 event pairs, 0 based on Foata normal form. 0/1257 useless extension candidates. Maximal degree in co-relation 1735. Up to 44 conditions per place.
[2024-11-23 22:38:55,521 INFO L82 GeneralOperation]: Start removeDead. Operand has 848 places, 849 transitions, 2706 flow
[2024-11-23 22:38:55,527 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 273 places, 232 transitions, 971 flow
[2024-11-23 22:38:55,528 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:55,529 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:55,529 INFO L334 AbstractCegarLoop]: Starting to check reachability of 29 error locations.
[2024-11-23 22:38:55,531 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:55,531 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:55,531 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:55,531 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:55,531 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:55,532 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] ===
[2024-11-23 22:38:55,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:55,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1132580006, now seen corresponding path program 1 times
[2024-11-23 22:38:55,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:55,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250912148]
[2024-11-23 22:38:55,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:55,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:55,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:55,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:55,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250912148]
[2024-11-23 22:38:55,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250912148] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:55,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:55,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:55,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888278031]
[2024-11-23 22:38:55,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:55,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:55,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:55,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:55,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:55,748 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 689 out of 849
[2024-11-23 22:38:55,750 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 232 transitions, 971 flow. Second operand has 3 states, 3 states have (on average 690.3333333333334) internal successors, (2071), 3 states have internal predecessors, (2071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:55,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:55,750 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 689 of 849
[2024-11-23 22:38:55,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:56,178 INFO L124 PetriNetUnfolderBase]: 45/1107 cut-off events.
[2024-11-23 22:38:56,179 INFO L125 PetriNetUnfolderBase]: For 2003/2003 co-relation queries the response was YES.
[2024-11-23 22:38:56,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1588 conditions, 1107 events. 45/1107 cut-off events. For 2003/2003 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 2952 event pairs, 22 based on Foata normal form. 45/1059 useless extension candidates. Maximal degree in co-relation 1483. Up to 160 conditions per place.
[2024-11-23 22:38:56,195 INFO L140 encePairwiseOnDemand]: 843/849 looper letters, 31 selfloop transitions, 2 changer transitions 1/228 dead transitions.
[2024-11-23 22:38:56,196 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 228 transitions, 1029 flow
[2024-11-23 22:38:56,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:56,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:56,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2104 transitions.
[2024-11-23 22:38:56,199 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8260698861405575
[2024-11-23 22:38:56,199 INFO L175 Difference]: Start difference. First operand has 273 places, 232 transitions, 971 flow. Second operand 3 states and 2104 transitions.
[2024-11-23 22:38:56,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 228 transitions, 1029 flow
[2024-11-23 22:38:56,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 228 transitions, 648 flow, removed 190 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:56,211 INFO L231 Difference]: Finished difference. Result has 273 places, 227 transitions, 584 flow
[2024-11-23 22:38:56,211 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=849, PETRI_DIFFERENCE_MINUEND_FLOW=582, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=584, PETRI_PLACES=273, PETRI_TRANSITIONS=227}
[2024-11-23 22:38:56,212 INFO L279 CegarLoopForPetriNet]: 273 programPoint places, 0 predicate places.
[2024-11-23 22:38:56,212 INFO L471 AbstractCegarLoop]: Abstraction has has 273 places, 227 transitions, 584 flow
[2024-11-23 22:38:56,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 690.3333333333334) internal successors, (2071), 3 states have internal predecessors, (2071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:56,213 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:56,213 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:56,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80
[2024-11-23 22:38:56,214 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] ===
[2024-11-23 22:38:56,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:56,214 INFO L85 PathProgramCache]: Analyzing trace with hash -241454962, now seen corresponding path program 1 times
[2024-11-23 22:38:56,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:56,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693876956]
[2024-11-23 22:38:56,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:56,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:56,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:56,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:56,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693876956]
[2024-11-23 22:38:56,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693876956] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:56,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:56,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:56,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290346988]
[2024-11-23 22:38:56,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:56,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:56,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:56,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:56,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:56,360 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 645 out of 849
[2024-11-23 22:38:56,362 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 227 transitions, 584 flow. Second operand has 3 states, 3 states have (on average 646.0) internal successors, (1938), 3 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:56,362 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:56,362 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 645 of 849
[2024-11-23 22:38:56,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:56,703 INFO L124 PetriNetUnfolderBase]: 23/993 cut-off events.
[2024-11-23 22:38:56,704 INFO L125 PetriNetUnfolderBase]: For 272/272 co-relation queries the response was YES.
[2024-11-23 22:38:56,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1241 conditions, 993 events. 23/993 cut-off events. For 272/272 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2177 event pairs, 0 based on Foata normal form. 22/970 useless extension candidates. Maximal degree in co-relation 1196. Up to 115 conditions per place.
[2024-11-23 22:38:56,718 INFO L140 encePairwiseOnDemand]: 843/849 looper letters, 29 selfloop transitions, 1 changer transitions 24/222 dead transitions.
[2024-11-23 22:38:56,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 222 transitions, 638 flow
[2024-11-23 22:38:56,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:56,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:56,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1972 transitions.
[2024-11-23 22:38:56,722 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7742442088731841
[2024-11-23 22:38:56,722 INFO L175 Difference]: Start difference. First operand has 273 places, 227 transitions, 584 flow. Second operand 3 states and 1972 transitions.
[2024-11-23 22:38:56,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 222 transitions, 638 flow
[2024-11-23 22:38:56,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 222 transitions, 634 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:56,728 INFO L231 Difference]: Finished difference. Result has 267 places, 198 transitions, 522 flow
[2024-11-23 22:38:56,728 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=849, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=522, PETRI_PLACES=267, PETRI_TRANSITIONS=198}
[2024-11-23 22:38:56,729 INFO L279 CegarLoopForPetriNet]: 273 programPoint places, -6 predicate places.
[2024-11-23 22:38:56,729 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 198 transitions, 522 flow
[2024-11-23 22:38:56,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 646.0) internal successors, (1938), 3 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:56,730 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:56,731 INFO L206 CegarLoopForPetriNet]: trace histogram [22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:56,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81
[2024-11-23 22:38:56,731 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] ===
[2024-11-23 22:38:56,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:56,734 INFO L85 PathProgramCache]: Analyzing trace with hash -194235025, now seen corresponding path program 1 times
[2024-11-23 22:38:56,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:56,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40116562]
[2024-11-23 22:38:56,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:56,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:57,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:57,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:57,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40116562]
[2024-11-23 22:38:57,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40116562] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:57,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:57,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:38:57,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103746471]
[2024-11-23 22:38:57,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:57,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:38:57,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:57,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:38:57,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:38:57,193 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 708 out of 849
[2024-11-23 22:38:57,197 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 198 transitions, 522 flow. Second operand has 5 states, 5 states have (on average 714.2) internal successors, (3571), 5 states have internal predecessors, (3571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:57,197 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:57,197 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 708 of 849
[2024-11-23 22:38:57,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:57,388 INFO L124 PetriNetUnfolderBase]: 0/478 cut-off events.
[2024-11-23 22:38:57,388 INFO L125 PetriNetUnfolderBase]: For 271/271 co-relation queries the response was YES.
[2024-11-23 22:38:57,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 640 conditions, 478 events. 0/478 cut-off events. For 271/271 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 279 event pairs, 0 based on Foata normal form. 1/478 useless extension candidates. Maximal degree in co-relation 0. Up to 71 conditions per place.
[2024-11-23 22:38:57,389 INFO L140 encePairwiseOnDemand]: 844/849 looper letters, 29 selfloop transitions, 2 changer transitions 3/200 dead transitions.
[2024-11-23 22:38:57,390 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 200 transitions, 594 flow
[2024-11-23 22:38:57,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:38:57,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:38:57,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3575 transitions.
[2024-11-23 22:38:57,395 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8421672555948174
[2024-11-23 22:38:57,396 INFO L175 Difference]: Start difference. First operand has 267 places, 198 transitions, 522 flow. Second operand 5 states and 3575 transitions.
[2024-11-23 22:38:57,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 200 transitions, 594 flow
[2024-11-23 22:38:57,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 200 transitions, 593 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:57,402 INFO L231 Difference]: Finished difference. Result has 247 places, 197 transitions, 527 flow
[2024-11-23 22:38:57,402 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=849, PETRI_DIFFERENCE_MINUEND_FLOW=521, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=527, PETRI_PLACES=247, PETRI_TRANSITIONS=197}
[2024-11-23 22:38:57,402 INFO L279 CegarLoopForPetriNet]: 273 programPoint places, -26 predicate places.
[2024-11-23 22:38:57,402 INFO L471 AbstractCegarLoop]: Abstraction has has 247 places, 197 transitions, 527 flow
[2024-11-23 22:38:57,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 714.2) internal successors, (3571), 5 states have internal predecessors, (3571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:57,404 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:57,404 INFO L206 CegarLoopForPetriNet]: trace histogram [22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:57,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82
[2024-11-23 22:38:57,406 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 26 more)] ===
[2024-11-23 22:38:57,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:57,409 INFO L85 PathProgramCache]: Analyzing trace with hash 457709131, now seen corresponding path program 1 times
[2024-11-23 22:38:57,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:57,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197448355]
[2024-11-23 22:38:57,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:57,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:57,473 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:38:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:38:57,602 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:38:57,602 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:38:57,602 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 29 remaining)
[2024-11-23 22:38:57,602 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (27 of 29 remaining)
[2024-11-23 22:38:57,603 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (26 of 29 remaining)
[2024-11-23 22:38:57,603 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (25 of 29 remaining)
[2024-11-23 22:38:57,603 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (24 of 29 remaining)
[2024-11-23 22:38:57,603 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (23 of 29 remaining)
[2024-11-23 22:38:57,603 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 29 remaining)
[2024-11-23 22:38:57,603 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 29 remaining)
[2024-11-23 22:38:57,603 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 29 remaining)
[2024-11-23 22:38:57,603 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 29 remaining)
[2024-11-23 22:38:57,604 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 29 remaining)
[2024-11-23 22:38:57,604 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 29 remaining)
[2024-11-23 22:38:57,604 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 29 remaining)
[2024-11-23 22:38:57,604 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 29 remaining)
[2024-11-23 22:38:57,604 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 29 remaining)
[2024-11-23 22:38:57,604 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 29 remaining)
[2024-11-23 22:38:57,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 29 remaining)
[2024-11-23 22:38:57,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 29 remaining)
[2024-11-23 22:38:57,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 29 remaining)
[2024-11-23 22:38:57,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 29 remaining)
[2024-11-23 22:38:57,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 29 remaining)
[2024-11-23 22:38:57,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 29 remaining)
[2024-11-23 22:38:57,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 29 remaining)
[2024-11-23 22:38:57,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 29 remaining)
[2024-11-23 22:38:57,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 29 remaining)
[2024-11-23 22:38:57,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 29 remaining)
[2024-11-23 22:38:57,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 29 remaining)
[2024-11-23 22:38:57,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 29 remaining)
[2024-11-23 22:38:57,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 29 remaining)
[2024-11-23 22:38:57,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83
[2024-11-23 22:38:57,607 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:38:57,608 WARN L246 ceAbstractionStarter]: 21 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:38:57,608 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 22 thread instances.
[2024-11-23 22:38:57,778 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:38:57,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 885 places, 886 transitions, 2872 flow
[2024-11-23 22:38:58,222 INFO L124 PetriNetUnfolderBase]: 117/1503 cut-off events.
[2024-11-23 22:38:58,222 INFO L125 PetriNetUnfolderBase]: For 2002/2002 co-relation queries the response was YES.
[2024-11-23 22:38:58,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1869 conditions, 1503 events. 117/1503 cut-off events. For 2002/2002 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 4249 event pairs, 0 based on Foata normal form. 0/1313 useless extension candidates. Maximal degree in co-relation 1824. Up to 46 conditions per place.
[2024-11-23 22:38:58,238 INFO L82 GeneralOperation]: Start removeDead. Operand has 885 places, 886 transitions, 2872 flow
[2024-11-23 22:38:58,245 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 282 places, 239 transitions, 1031 flow
[2024-11-23 22:38:58,246 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:38:58,246 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:38:58,246 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations.
[2024-11-23 22:38:58,248 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:38:58,249 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:38:58,249 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:38:58,249 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:58,249 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:58,249 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] ===
[2024-11-23 22:38:58,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:58,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1586627238, now seen corresponding path program 1 times
[2024-11-23 22:38:58,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:58,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840829745]
[2024-11-23 22:38:58,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:58,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:58,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:58,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:58,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840829745]
[2024-11-23 22:38:58,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840829745] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:58,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:58,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:58,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590123351]
[2024-11-23 22:38:58,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:58,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:58,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:58,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:58,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:58,520 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 719 out of 886
[2024-11-23 22:38:58,521 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 239 transitions, 1031 flow. Second operand has 3 states, 3 states have (on average 720.3333333333334) internal successors, (2161), 3 states have internal predecessors, (2161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:58,522 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:58,522 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 719 of 886
[2024-11-23 22:38:58,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:59,068 INFO L124 PetriNetUnfolderBase]: 47/1156 cut-off events.
[2024-11-23 22:38:59,068 INFO L125 PetriNetUnfolderBase]: For 2278/2278 co-relation queries the response was YES.
[2024-11-23 22:38:59,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1670 conditions, 1156 events. 47/1156 cut-off events. For 2278/2278 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 3109 event pairs, 23 based on Foata normal form. 47/1106 useless extension candidates. Maximal degree in co-relation 1563. Up to 167 conditions per place.
[2024-11-23 22:38:59,087 INFO L140 encePairwiseOnDemand]: 880/886 looper letters, 32 selfloop transitions, 2 changer transitions 1/235 dead transitions.
[2024-11-23 22:38:59,087 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 235 transitions, 1091 flow
[2024-11-23 22:38:59,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:59,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:59,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2195 transitions.
[2024-11-23 22:38:59,092 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.825808878856283
[2024-11-23 22:38:59,092 INFO L175 Difference]: Start difference. First operand has 282 places, 239 transitions, 1031 flow. Second operand 3 states and 2195 transitions.
[2024-11-23 22:38:59,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 235 transitions, 1091 flow
[2024-11-23 22:38:59,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 235 transitions, 670 flow, removed 210 selfloop flow, removed 1 redundant places.
[2024-11-23 22:38:59,105 INFO L231 Difference]: Finished difference. Result has 282 places, 234 transitions, 604 flow
[2024-11-23 22:38:59,105 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=886, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=604, PETRI_PLACES=282, PETRI_TRANSITIONS=234}
[2024-11-23 22:38:59,110 INFO L279 CegarLoopForPetriNet]: 282 programPoint places, 0 predicate places.
[2024-11-23 22:38:59,110 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 234 transitions, 604 flow
[2024-11-23 22:38:59,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 720.3333333333334) internal successors, (2161), 3 states have internal predecessors, (2161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:59,111 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:59,111 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:59,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84
[2024-11-23 22:38:59,111 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] ===
[2024-11-23 22:38:59,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:59,112 INFO L85 PathProgramCache]: Analyzing trace with hash -12512242, now seen corresponding path program 1 times
[2024-11-23 22:38:59,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:59,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733949768]
[2024-11-23 22:38:59,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:59,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:59,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:38:59,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:38:59,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:38:59,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733949768]
[2024-11-23 22:38:59,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733949768] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:38:59,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:38:59,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:38:59,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045397500]
[2024-11-23 22:38:59,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:38:59,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:38:59,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:38:59,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:38:59,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:38:59,283 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 673 out of 886
[2024-11-23 22:38:59,286 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 234 transitions, 604 flow. Second operand has 3 states, 3 states have (on average 674.0) internal successors, (2022), 3 states have internal predecessors, (2022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:59,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:38:59,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 673 of 886
[2024-11-23 22:38:59,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:38:59,829 INFO L124 PetriNetUnfolderBase]: 24/1037 cut-off events.
[2024-11-23 22:38:59,829 INFO L125 PetriNetUnfolderBase]: For 296/296 co-relation queries the response was YES.
[2024-11-23 22:38:59,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1296 conditions, 1037 events. 24/1037 cut-off events. For 296/296 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2279 event pairs, 0 based on Foata normal form. 23/1013 useless extension candidates. Maximal degree in co-relation 1250. Up to 120 conditions per place.
[2024-11-23 22:38:59,844 INFO L140 encePairwiseOnDemand]: 880/886 looper letters, 30 selfloop transitions, 1 changer transitions 24/229 dead transitions.
[2024-11-23 22:38:59,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 229 transitions, 660 flow
[2024-11-23 22:38:59,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:38:59,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:38:59,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2057 transitions.
[2024-11-23 22:38:59,849 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7738901429646351
[2024-11-23 22:38:59,849 INFO L175 Difference]: Start difference. First operand has 282 places, 234 transitions, 604 flow. Second operand 3 states and 2057 transitions.
[2024-11-23 22:38:59,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 229 transitions, 660 flow
[2024-11-23 22:38:59,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 229 transitions, 656 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:38:59,856 INFO L231 Difference]: Finished difference. Result has 276 places, 205 transitions, 542 flow
[2024-11-23 22:38:59,857 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=886, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=542, PETRI_PLACES=276, PETRI_TRANSITIONS=205}
[2024-11-23 22:38:59,857 INFO L279 CegarLoopForPetriNet]: 282 programPoint places, -6 predicate places.
[2024-11-23 22:38:59,858 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 205 transitions, 542 flow
[2024-11-23 22:38:59,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 674.0) internal successors, (2022), 3 states have internal predecessors, (2022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:38:59,858 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:38:59,859 INFO L206 CegarLoopForPetriNet]: trace histogram [23, 23, 23, 23, 23, 23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:38:59,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85
[2024-11-23 22:38:59,859 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] ===
[2024-11-23 22:38:59,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:38:59,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1482907926, now seen corresponding path program 1 times
[2024-11-23 22:38:59,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:38:59,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995882919]
[2024-11-23 22:38:59,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:38:59,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:38:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:00,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:00,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:00,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995882919]
[2024-11-23 22:39:00,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995882919] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:00,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:00,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:39:00,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934026921]
[2024-11-23 22:39:00,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:00,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:39:00,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:00,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:39:00,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:39:00,288 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 739 out of 886
[2024-11-23 22:39:00,291 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 205 transitions, 542 flow. Second operand has 5 states, 5 states have (on average 745.4) internal successors, (3727), 5 states have internal predecessors, (3727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:00,291 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:00,291 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 739 of 886
[2024-11-23 22:39:00,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:00,462 INFO L124 PetriNetUnfolderBase]: 0/498 cut-off events.
[2024-11-23 22:39:00,462 INFO L125 PetriNetUnfolderBase]: For 295/295 co-relation queries the response was YES.
[2024-11-23 22:39:00,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 667 conditions, 498 events. 0/498 cut-off events. For 295/295 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 291 event pairs, 0 based on Foata normal form. 1/498 useless extension candidates. Maximal degree in co-relation 0. Up to 74 conditions per place.
[2024-11-23 22:39:00,464 INFO L140 encePairwiseOnDemand]: 881/886 looper letters, 30 selfloop transitions, 2 changer transitions 3/207 dead transitions.
[2024-11-23 22:39:00,464 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 207 transitions, 616 flow
[2024-11-23 22:39:00,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:39:00,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:39:00,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3731 transitions.
[2024-11-23 22:39:00,469 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8422121896162528
[2024-11-23 22:39:00,469 INFO L175 Difference]: Start difference. First operand has 276 places, 205 transitions, 542 flow. Second operand 5 states and 3731 transitions.
[2024-11-23 22:39:00,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 255 places, 207 transitions, 616 flow
[2024-11-23 22:39:00,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 207 transitions, 615 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:00,475 INFO L231 Difference]: Finished difference. Result has 256 places, 204 transitions, 547 flow
[2024-11-23 22:39:00,475 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=886, PETRI_DIFFERENCE_MINUEND_FLOW=541, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=547, PETRI_PLACES=256, PETRI_TRANSITIONS=204}
[2024-11-23 22:39:00,476 INFO L279 CegarLoopForPetriNet]: 282 programPoint places, -26 predicate places.
[2024-11-23 22:39:00,476 INFO L471 AbstractCegarLoop]: Abstraction has has 256 places, 204 transitions, 547 flow
[2024-11-23 22:39:00,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 745.4) internal successors, (3727), 5 states have internal predecessors, (3727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:00,477 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:00,478 INFO L206 CegarLoopForPetriNet]: trace histogram [23, 23, 23, 23, 23, 23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:00,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86
[2024-11-23 22:39:00,478 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 27 more)] ===
[2024-11-23 22:39:00,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:00,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1357899780, now seen corresponding path program 1 times
[2024-11-23 22:39:00,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:00,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148348696]
[2024-11-23 22:39:00,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:00,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:00,543 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:39:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:00,691 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:39:00,692 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:39:00,692 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 30 remaining)
[2024-11-23 22:39:00,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 30 remaining)
[2024-11-23 22:39:00,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 30 remaining)
[2024-11-23 22:39:00,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 30 remaining)
[2024-11-23 22:39:00,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 30 remaining)
[2024-11-23 22:39:00,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 30 remaining)
[2024-11-23 22:39:00,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 30 remaining)
[2024-11-23 22:39:00,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 30 remaining)
[2024-11-23 22:39:00,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 30 remaining)
[2024-11-23 22:39:00,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 30 remaining)
[2024-11-23 22:39:00,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 30 remaining)
[2024-11-23 22:39:00,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 30 remaining)
[2024-11-23 22:39:00,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 30 remaining)
[2024-11-23 22:39:00,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 30 remaining)
[2024-11-23 22:39:00,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 30 remaining)
[2024-11-23 22:39:00,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 30 remaining)
[2024-11-23 22:39:00,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 30 remaining)
[2024-11-23 22:39:00,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 30 remaining)
[2024-11-23 22:39:00,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 30 remaining)
[2024-11-23 22:39:00,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 30 remaining)
[2024-11-23 22:39:00,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 30 remaining)
[2024-11-23 22:39:00,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 30 remaining)
[2024-11-23 22:39:00,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 30 remaining)
[2024-11-23 22:39:00,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 30 remaining)
[2024-11-23 22:39:00,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 30 remaining)
[2024-11-23 22:39:00,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 30 remaining)
[2024-11-23 22:39:00,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 30 remaining)
[2024-11-23 22:39:00,696 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 30 remaining)
[2024-11-23 22:39:00,696 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 30 remaining)
[2024-11-23 22:39:00,696 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 30 remaining)
[2024-11-23 22:39:00,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87
[2024-11-23 22:39:00,696 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:39:00,697 WARN L246 ceAbstractionStarter]: 22 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:39:00,697 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 23 thread instances.
[2024-11-23 22:39:00,864 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:39:00,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 922 places, 923 transitions, 3042 flow
[2024-11-23 22:39:01,372 INFO L124 PetriNetUnfolderBase]: 122/1567 cut-off events.
[2024-11-23 22:39:01,372 INFO L125 PetriNetUnfolderBase]: For 2277/2277 co-relation queries the response was YES.
[2024-11-23 22:39:01,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1961 conditions, 1567 events. 122/1567 cut-off events. For 2277/2277 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 4360 event pairs, 0 based on Foata normal form. 0/1369 useless extension candidates. Maximal degree in co-relation 1914. Up to 48 conditions per place.
[2024-11-23 22:39:01,394 INFO L82 GeneralOperation]: Start removeDead. Operand has 922 places, 923 transitions, 3042 flow
[2024-11-23 22:39:01,400 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 291 places, 246 transitions, 1093 flow
[2024-11-23 22:39:01,401 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:39:01,401 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:39:01,401 INFO L334 AbstractCegarLoop]: Starting to check reachability of 31 error locations.
[2024-11-23 22:39:01,403 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:39:01,403 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:39:01,403 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:39:01,403 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:01,403 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:01,404 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 28 more)] ===
[2024-11-23 22:39:01,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:01,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1991769510, now seen corresponding path program 1 times
[2024-11-23 22:39:01,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:01,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381359375]
[2024-11-23 22:39:01,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:01,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:01,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:01,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:01,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381359375]
[2024-11-23 22:39:01,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381359375] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:01,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:01,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:01,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764888459]
[2024-11-23 22:39:01,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:01,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:01,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:01,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:01,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:01,641 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 749 out of 923
[2024-11-23 22:39:01,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 246 transitions, 1093 flow. Second operand has 3 states, 3 states have (on average 750.3333333333334) internal successors, (2251), 3 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:01,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:01,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 749 of 923
[2024-11-23 22:39:01,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:02,081 INFO L124 PetriNetUnfolderBase]: 49/1205 cut-off events.
[2024-11-23 22:39:02,081 INFO L125 PetriNetUnfolderBase]: For 2577/2577 co-relation queries the response was YES.
[2024-11-23 22:39:02,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1753 conditions, 1205 events. 49/1205 cut-off events. For 2577/2577 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 3340 event pairs, 24 based on Foata normal form. 49/1153 useless extension candidates. Maximal degree in co-relation 1644. Up to 174 conditions per place.
[2024-11-23 22:39:02,095 INFO L140 encePairwiseOnDemand]: 917/923 looper letters, 33 selfloop transitions, 2 changer transitions 1/242 dead transitions.
[2024-11-23 22:39:02,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 242 transitions, 1155 flow
[2024-11-23 22:39:02,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:02,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:02,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2286 transitions.
[2024-11-23 22:39:02,098 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8255687973997833
[2024-11-23 22:39:02,098 INFO L175 Difference]: Start difference. First operand has 291 places, 246 transitions, 1093 flow. Second operand 3 states and 2286 transitions.
[2024-11-23 22:39:02,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 242 transitions, 1155 flow
[2024-11-23 22:39:02,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 242 transitions, 692 flow, removed 231 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:02,110 INFO L231 Difference]: Finished difference. Result has 291 places, 241 transitions, 624 flow
[2024-11-23 22:39:02,110 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=923, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=624, PETRI_PLACES=291, PETRI_TRANSITIONS=241}
[2024-11-23 22:39:02,111 INFO L279 CegarLoopForPetriNet]: 291 programPoint places, 0 predicate places.
[2024-11-23 22:39:02,111 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 241 transitions, 624 flow
[2024-11-23 22:39:02,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 750.3333333333334) internal successors, (2251), 3 states have internal predecessors, (2251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:02,112 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:02,112 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:02,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88
[2024-11-23 22:39:02,113 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 28 more)] ===
[2024-11-23 22:39:02,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:02,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1336090062, now seen corresponding path program 1 times
[2024-11-23 22:39:02,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:02,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725466175]
[2024-11-23 22:39:02,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:02,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:02,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:02,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:02,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725466175]
[2024-11-23 22:39:02,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725466175] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:02,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:02,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:02,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295954497]
[2024-11-23 22:39:02,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:02,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:02,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:02,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:02,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:02,264 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 701 out of 923
[2024-11-23 22:39:02,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 241 transitions, 624 flow. Second operand has 3 states, 3 states have (on average 702.0) internal successors, (2106), 3 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:02,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:02,266 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 701 of 923
[2024-11-23 22:39:02,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:02,670 INFO L124 PetriNetUnfolderBase]: 25/1081 cut-off events.
[2024-11-23 22:39:02,670 INFO L125 PetriNetUnfolderBase]: For 321/321 co-relation queries the response was YES.
[2024-11-23 22:39:02,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1351 conditions, 1081 events. 25/1081 cut-off events. For 321/321 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 2498 event pairs, 0 based on Foata normal form. 24/1056 useless extension candidates. Maximal degree in co-relation 1304. Up to 125 conditions per place.
[2024-11-23 22:39:02,686 INFO L140 encePairwiseOnDemand]: 917/923 looper letters, 31 selfloop transitions, 1 changer transitions 24/236 dead transitions.
[2024-11-23 22:39:02,686 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 236 transitions, 682 flow
[2024-11-23 22:39:02,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:02,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:02,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2142 transitions.
[2024-11-23 22:39:02,689 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7735644637053087
[2024-11-23 22:39:02,690 INFO L175 Difference]: Start difference. First operand has 291 places, 241 transitions, 624 flow. Second operand 3 states and 2142 transitions.
[2024-11-23 22:39:02,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 236 transitions, 682 flow
[2024-11-23 22:39:02,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 236 transitions, 678 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:39:02,695 INFO L231 Difference]: Finished difference. Result has 285 places, 212 transitions, 562 flow
[2024-11-23 22:39:02,696 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=923, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=562, PETRI_PLACES=285, PETRI_TRANSITIONS=212}
[2024-11-23 22:39:02,696 INFO L279 CegarLoopForPetriNet]: 291 programPoint places, -6 predicate places.
[2024-11-23 22:39:02,697 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 212 transitions, 562 flow
[2024-11-23 22:39:02,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 702.0) internal successors, (2106), 3 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:02,697 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:02,698 INFO L206 CegarLoopForPetriNet]: trace histogram [24, 24, 24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:02,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89
[2024-11-23 22:39:02,698 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 28 more)] ===
[2024-11-23 22:39:02,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:02,702 INFO L85 PathProgramCache]: Analyzing trace with hash 323478795, now seen corresponding path program 1 times
[2024-11-23 22:39:02,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:02,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130214742]
[2024-11-23 22:39:02,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:02,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:02,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:02,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:02,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130214742]
[2024-11-23 22:39:02,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130214742] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:02,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:02,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:39:02,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333391286]
[2024-11-23 22:39:02,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:02,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:39:02,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:02,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:39:02,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:39:03,110 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 770 out of 923
[2024-11-23 22:39:03,113 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 212 transitions, 562 flow. Second operand has 5 states, 5 states have (on average 776.6) internal successors, (3883), 5 states have internal predecessors, (3883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:03,114 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:03,114 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 770 of 923
[2024-11-23 22:39:03,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:03,329 INFO L124 PetriNetUnfolderBase]: 0/518 cut-off events.
[2024-11-23 22:39:03,330 INFO L125 PetriNetUnfolderBase]: For 320/320 co-relation queries the response was YES.
[2024-11-23 22:39:03,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 694 conditions, 518 events. 0/518 cut-off events. For 320/320 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 304 event pairs, 0 based on Foata normal form. 1/518 useless extension candidates. Maximal degree in co-relation 0. Up to 77 conditions per place.
[2024-11-23 22:39:03,331 INFO L140 encePairwiseOnDemand]: 918/923 looper letters, 31 selfloop transitions, 2 changer transitions 3/214 dead transitions.
[2024-11-23 22:39:03,331 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 214 transitions, 638 flow
[2024-11-23 22:39:03,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:39:03,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:39:03,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3887 transitions.
[2024-11-23 22:39:03,336 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8422535211267606
[2024-11-23 22:39:03,336 INFO L175 Difference]: Start difference. First operand has 285 places, 212 transitions, 562 flow. Second operand 5 states and 3887 transitions.
[2024-11-23 22:39:03,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 214 transitions, 638 flow
[2024-11-23 22:39:03,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 214 transitions, 637 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:03,341 INFO L231 Difference]: Finished difference. Result has 265 places, 211 transitions, 567 flow
[2024-11-23 22:39:03,342 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=923, PETRI_DIFFERENCE_MINUEND_FLOW=561, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=567, PETRI_PLACES=265, PETRI_TRANSITIONS=211}
[2024-11-23 22:39:03,342 INFO L279 CegarLoopForPetriNet]: 291 programPoint places, -26 predicate places.
[2024-11-23 22:39:03,343 INFO L471 AbstractCegarLoop]: Abstraction has has 265 places, 211 transitions, 567 flow
[2024-11-23 22:39:03,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 776.6) internal successors, (3883), 5 states have internal predecessors, (3883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:03,343 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:03,344 INFO L206 CegarLoopForPetriNet]: trace histogram [24, 24, 24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:03,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90
[2024-11-23 22:39:03,344 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 28 more)] ===
[2024-11-23 22:39:03,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:03,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1347938730, now seen corresponding path program 1 times
[2024-11-23 22:39:03,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:03,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505810893]
[2024-11-23 22:39:03,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:03,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:03,473 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:39:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:03,586 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:39:03,586 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:39:03,587 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 31 remaining)
[2024-11-23 22:39:03,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining)
[2024-11-23 22:39:03,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining)
[2024-11-23 22:39:03,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining)
[2024-11-23 22:39:03,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining)
[2024-11-23 22:39:03,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining)
[2024-11-23 22:39:03,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 31 remaining)
[2024-11-23 22:39:03,587 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining)
[2024-11-23 22:39:03,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining)
[2024-11-23 22:39:03,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining)
[2024-11-23 22:39:03,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining)
[2024-11-23 22:39:03,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining)
[2024-11-23 22:39:03,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining)
[2024-11-23 22:39:03,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining)
[2024-11-23 22:39:03,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining)
[2024-11-23 22:39:03,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining)
[2024-11-23 22:39:03,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining)
[2024-11-23 22:39:03,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 31 remaining)
[2024-11-23 22:39:03,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 31 remaining)
[2024-11-23 22:39:03,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining)
[2024-11-23 22:39:03,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 31 remaining)
[2024-11-23 22:39:03,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining)
[2024-11-23 22:39:03,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining)
[2024-11-23 22:39:03,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining)
[2024-11-23 22:39:03,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining)
[2024-11-23 22:39:03,589 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining)
[2024-11-23 22:39:03,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining)
[2024-11-23 22:39:03,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining)
[2024-11-23 22:39:03,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining)
[2024-11-23 22:39:03,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining)
[2024-11-23 22:39:03,590 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining)
[2024-11-23 22:39:03,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91
[2024-11-23 22:39:03,590 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:39:03,591 WARN L246 ceAbstractionStarter]: 23 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:39:03,591 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 24 thread instances.
[2024-11-23 22:39:03,766 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:39:03,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 959 places, 960 transitions, 3216 flow
[2024-11-23 22:39:04,382 INFO L124 PetriNetUnfolderBase]: 127/1631 cut-off events.
[2024-11-23 22:39:04,382 INFO L125 PetriNetUnfolderBase]: For 2576/2576 co-relation queries the response was YES.
[2024-11-23 22:39:04,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2054 conditions, 1631 events. 127/1631 cut-off events. For 2576/2576 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 4613 event pairs, 0 based on Foata normal form. 0/1425 useless extension candidates. Maximal degree in co-relation 2005. Up to 50 conditions per place.
[2024-11-23 22:39:04,411 INFO L82 GeneralOperation]: Start removeDead. Operand has 959 places, 960 transitions, 3216 flow
[2024-11-23 22:39:04,416 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 300 places, 253 transitions, 1157 flow
[2024-11-23 22:39:04,417 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:39:04,417 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:39:04,417 INFO L334 AbstractCegarLoop]: Starting to check reachability of 32 error locations.
[2024-11-23 22:39:04,420 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:39:04,420 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:39:04,420 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:39:04,420 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:04,420 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:04,420 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 29 more)] ===
[2024-11-23 22:39:04,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:04,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1946960474, now seen corresponding path program 1 times
[2024-11-23 22:39:04,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:04,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451154791]
[2024-11-23 22:39:04,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:04,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:04,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:04,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:04,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451154791]
[2024-11-23 22:39:04,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451154791] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:04,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:04,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:04,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696435691]
[2024-11-23 22:39:04,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:04,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:04,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:04,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:04,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:04,617 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 779 out of 960
[2024-11-23 22:39:04,618 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 253 transitions, 1157 flow. Second operand has 3 states, 3 states have (on average 780.3333333333334) internal successors, (2341), 3 states have internal predecessors, (2341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:04,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:04,618 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 779 of 960
[2024-11-23 22:39:04,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:05,055 INFO L124 PetriNetUnfolderBase]: 51/1254 cut-off events.
[2024-11-23 22:39:05,055 INFO L125 PetriNetUnfolderBase]: For 2901/2901 co-relation queries the response was YES.
[2024-11-23 22:39:05,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1837 conditions, 1254 events. 51/1254 cut-off events. For 2901/2901 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 3251 event pairs, 25 based on Foata normal form. 26/1175 useless extension candidates. Maximal degree in co-relation 1726. Up to 181 conditions per place.
[2024-11-23 22:39:05,070 INFO L140 encePairwiseOnDemand]: 954/960 looper letters, 34 selfloop transitions, 2 changer transitions 1/249 dead transitions.
[2024-11-23 22:39:05,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 249 transitions, 1221 flow
[2024-11-23 22:39:05,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:05,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:05,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2377 transitions.
[2024-11-23 22:39:05,078 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8253472222222222
[2024-11-23 22:39:05,079 INFO L175 Difference]: Start difference. First operand has 300 places, 253 transitions, 1157 flow. Second operand 3 states and 2377 transitions.
[2024-11-23 22:39:05,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 249 transitions, 1221 flow
[2024-11-23 22:39:05,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 249 transitions, 714 flow, removed 253 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:05,094 INFO L231 Difference]: Finished difference. Result has 300 places, 248 transitions, 644 flow
[2024-11-23 22:39:05,095 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=960, PETRI_DIFFERENCE_MINUEND_FLOW=642, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=644, PETRI_PLACES=300, PETRI_TRANSITIONS=248}
[2024-11-23 22:39:05,095 INFO L279 CegarLoopForPetriNet]: 300 programPoint places, 0 predicate places.
[2024-11-23 22:39:05,095 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 248 transitions, 644 flow
[2024-11-23 22:39:05,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 780.3333333333334) internal successors, (2341), 3 states have internal predecessors, (2341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:05,096 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:05,096 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:05,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92
[2024-11-23 22:39:05,097 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 29 more)] ===
[2024-11-23 22:39:05,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:05,097 INFO L85 PathProgramCache]: Analyzing trace with hash -490615346, now seen corresponding path program 1 times
[2024-11-23 22:39:05,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:05,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915581024]
[2024-11-23 22:39:05,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:05,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:05,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:05,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:05,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915581024]
[2024-11-23 22:39:05,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915581024] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:05,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:05,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:05,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674645838]
[2024-11-23 22:39:05,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:05,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:05,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:05,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:05,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:05,268 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 729 out of 960
[2024-11-23 22:39:05,269 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 248 transitions, 644 flow. Second operand has 3 states, 3 states have (on average 730.0) internal successors, (2190), 3 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:05,269 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:05,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 729 of 960
[2024-11-23 22:39:05,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:05,709 INFO L124 PetriNetUnfolderBase]: 26/1125 cut-off events.
[2024-11-23 22:39:05,710 INFO L125 PetriNetUnfolderBase]: For 347/347 co-relation queries the response was YES.
[2024-11-23 22:39:05,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1406 conditions, 1125 events. 26/1125 cut-off events. For 347/347 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2433 event pairs, 0 based on Foata normal form. 25/1099 useless extension candidates. Maximal degree in co-relation 1358. Up to 130 conditions per place.
[2024-11-23 22:39:05,716 INFO L140 encePairwiseOnDemand]: 954/960 looper letters, 32 selfloop transitions, 1 changer transitions 24/243 dead transitions.
[2024-11-23 22:39:05,716 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 243 transitions, 704 flow
[2024-11-23 22:39:05,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:05,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:05,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2227 transitions.
[2024-11-23 22:39:05,719 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7732638888888889
[2024-11-23 22:39:05,719 INFO L175 Difference]: Start difference. First operand has 300 places, 248 transitions, 644 flow. Second operand 3 states and 2227 transitions.
[2024-11-23 22:39:05,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 243 transitions, 704 flow
[2024-11-23 22:39:05,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 243 transitions, 700 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:39:05,723 INFO L231 Difference]: Finished difference. Result has 294 places, 219 transitions, 582 flow
[2024-11-23 22:39:05,723 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=960, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=582, PETRI_PLACES=294, PETRI_TRANSITIONS=219}
[2024-11-23 22:39:05,724 INFO L279 CegarLoopForPetriNet]: 300 programPoint places, -6 predicate places.
[2024-11-23 22:39:05,724 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 219 transitions, 582 flow
[2024-11-23 22:39:05,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 730.0) internal successors, (2190), 3 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:05,725 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:05,725 INFO L206 CegarLoopForPetriNet]: trace histogram [25, 25, 25, 25, 25, 25, 25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:05,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93
[2024-11-23 22:39:05,725 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 29 more)] ===
[2024-11-23 22:39:05,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:05,730 INFO L85 PathProgramCache]: Analyzing trace with hash 340334, now seen corresponding path program 1 times
[2024-11-23 22:39:05,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:05,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792853404]
[2024-11-23 22:39:05,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:05,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:05,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:05,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:05,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792853404]
[2024-11-23 22:39:05,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792853404] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:05,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:05,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:39:05,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147458590]
[2024-11-23 22:39:05,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:05,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:39:05,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:05,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:39:05,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:39:06,205 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 801 out of 960
[2024-11-23 22:39:06,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 219 transitions, 582 flow. Second operand has 5 states, 5 states have (on average 807.8) internal successors, (4039), 5 states have internal predecessors, (4039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:06,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:06,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 801 of 960
[2024-11-23 22:39:06,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:06,460 INFO L124 PetriNetUnfolderBase]: 0/538 cut-off events.
[2024-11-23 22:39:06,461 INFO L125 PetriNetUnfolderBase]: For 346/346 co-relation queries the response was YES.
[2024-11-23 22:39:06,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 721 conditions, 538 events. 0/538 cut-off events. For 346/346 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 315 event pairs, 0 based on Foata normal form. 1/538 useless extension candidates. Maximal degree in co-relation 0. Up to 80 conditions per place.
[2024-11-23 22:39:06,462 INFO L140 encePairwiseOnDemand]: 955/960 looper letters, 32 selfloop transitions, 2 changer transitions 3/221 dead transitions.
[2024-11-23 22:39:06,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 273 places, 221 transitions, 660 flow
[2024-11-23 22:39:06,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:39:06,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:39:06,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4043 transitions.
[2024-11-23 22:39:06,466 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8422916666666667
[2024-11-23 22:39:06,466 INFO L175 Difference]: Start difference. First operand has 294 places, 219 transitions, 582 flow. Second operand 5 states and 4043 transitions.
[2024-11-23 22:39:06,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 273 places, 221 transitions, 660 flow
[2024-11-23 22:39:06,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 221 transitions, 659 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:06,472 INFO L231 Difference]: Finished difference. Result has 274 places, 218 transitions, 587 flow
[2024-11-23 22:39:06,473 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=960, PETRI_DIFFERENCE_MINUEND_FLOW=581, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=587, PETRI_PLACES=274, PETRI_TRANSITIONS=218}
[2024-11-23 22:39:06,473 INFO L279 CegarLoopForPetriNet]: 300 programPoint places, -26 predicate places.
[2024-11-23 22:39:06,473 INFO L471 AbstractCegarLoop]: Abstraction has has 274 places, 218 transitions, 587 flow
[2024-11-23 22:39:06,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 807.8) internal successors, (4039), 5 states have internal predecessors, (4039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:06,475 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:06,475 INFO L206 CegarLoopForPetriNet]: trace histogram [25, 25, 25, 25, 25, 25, 25, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:06,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94
[2024-11-23 22:39:06,475 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 29 more)] ===
[2024-11-23 22:39:06,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:06,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1433735239, now seen corresponding path program 1 times
[2024-11-23 22:39:06,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:06,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553099684]
[2024-11-23 22:39:06,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:06,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:06,554 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:39:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:06,707 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:39:06,708 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:39:06,708 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 32 remaining)
[2024-11-23 22:39:06,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (30 of 32 remaining)
[2024-11-23 22:39:06,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (29 of 32 remaining)
[2024-11-23 22:39:06,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (28 of 32 remaining)
[2024-11-23 22:39:06,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (27 of 32 remaining)
[2024-11-23 22:39:06,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (26 of 32 remaining)
[2024-11-23 22:39:06,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 32 remaining)
[2024-11-23 22:39:06,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 32 remaining)
[2024-11-23 22:39:06,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 32 remaining)
[2024-11-23 22:39:06,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 32 remaining)
[2024-11-23 22:39:06,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 32 remaining)
[2024-11-23 22:39:06,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 32 remaining)
[2024-11-23 22:39:06,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 32 remaining)
[2024-11-23 22:39:06,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 32 remaining)
[2024-11-23 22:39:06,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 32 remaining)
[2024-11-23 22:39:06,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 32 remaining)
[2024-11-23 22:39:06,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 32 remaining)
[2024-11-23 22:39:06,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 32 remaining)
[2024-11-23 22:39:06,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 32 remaining)
[2024-11-23 22:39:06,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 32 remaining)
[2024-11-23 22:39:06,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 32 remaining)
[2024-11-23 22:39:06,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 32 remaining)
[2024-11-23 22:39:06,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 32 remaining)
[2024-11-23 22:39:06,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 32 remaining)
[2024-11-23 22:39:06,711 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 32 remaining)
[2024-11-23 22:39:06,711 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 32 remaining)
[2024-11-23 22:39:06,711 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 32 remaining)
[2024-11-23 22:39:06,711 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 32 remaining)
[2024-11-23 22:39:06,711 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 32 remaining)
[2024-11-23 22:39:06,711 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 32 remaining)
[2024-11-23 22:39:06,711 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 32 remaining)
[2024-11-23 22:39:06,711 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 32 remaining)
[2024-11-23 22:39:06,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95
[2024-11-23 22:39:06,712 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:39:06,712 WARN L246 ceAbstractionStarter]: 24 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:39:06,712 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 25 thread instances.
[2024-11-23 22:39:06,876 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:39:06,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 996 places, 997 transitions, 3394 flow
[2024-11-23 22:39:07,476 INFO L124 PetriNetUnfolderBase]: 132/1695 cut-off events.
[2024-11-23 22:39:07,476 INFO L125 PetriNetUnfolderBase]: For 2900/2900 co-relation queries the response was YES.
[2024-11-23 22:39:07,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2148 conditions, 1695 events. 132/1695 cut-off events. For 2900/2900 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 4856 event pairs, 0 based on Foata normal form. 0/1481 useless extension candidates. Maximal degree in co-relation 2097. Up to 52 conditions per place.
[2024-11-23 22:39:07,508 INFO L82 GeneralOperation]: Start removeDead. Operand has 996 places, 997 transitions, 3394 flow
[2024-11-23 22:39:07,512 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 309 places, 260 transitions, 1223 flow
[2024-11-23 22:39:07,514 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:39:07,515 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:39:07,515 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations.
[2024-11-23 22:39:07,517 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:39:07,517 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:39:07,517 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:39:07,517 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:07,517 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:07,517 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] ===
[2024-11-23 22:39:07,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:07,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1639628122, now seen corresponding path program 1 times
[2024-11-23 22:39:07,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:07,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523541369]
[2024-11-23 22:39:07,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:07,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:07,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:07,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:07,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523541369]
[2024-11-23 22:39:07,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523541369] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:07,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:07,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:07,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093535714]
[2024-11-23 22:39:07,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:07,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:07,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:07,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:07,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:07,716 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 809 out of 997
[2024-11-23 22:39:07,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 260 transitions, 1223 flow. Second operand has 3 states, 3 states have (on average 810.3333333333334) internal successors, (2431), 3 states have internal predecessors, (2431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:07,718 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:07,718 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 809 of 997
[2024-11-23 22:39:07,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:08,279 INFO L124 PetriNetUnfolderBase]: 53/1303 cut-off events.
[2024-11-23 22:39:08,279 INFO L125 PetriNetUnfolderBase]: For 3251/3251 co-relation queries the response was YES.
[2024-11-23 22:39:08,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1922 conditions, 1303 events. 53/1303 cut-off events. For 3251/3251 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 3509 event pairs, 26 based on Foata normal form. 53/1247 useless extension candidates. Maximal degree in co-relation 1809. Up to 188 conditions per place.
[2024-11-23 22:39:08,293 INFO L140 encePairwiseOnDemand]: 991/997 looper letters, 35 selfloop transitions, 2 changer transitions 1/256 dead transitions.
[2024-11-23 22:39:08,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 256 transitions, 1289 flow
[2024-11-23 22:39:08,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:08,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:08,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2468 transitions.
[2024-11-23 22:39:08,297 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8251420929455032
[2024-11-23 22:39:08,298 INFO L175 Difference]: Start difference. First operand has 309 places, 260 transitions, 1223 flow. Second operand 3 states and 2468 transitions.
[2024-11-23 22:39:08,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 256 transitions, 1289 flow
[2024-11-23 22:39:08,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 256 transitions, 736 flow, removed 276 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:08,315 INFO L231 Difference]: Finished difference. Result has 309 places, 255 transitions, 664 flow
[2024-11-23 22:39:08,316 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=997, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=664, PETRI_PLACES=309, PETRI_TRANSITIONS=255}
[2024-11-23 22:39:08,316 INFO L279 CegarLoopForPetriNet]: 309 programPoint places, 0 predicate places.
[2024-11-23 22:39:08,317 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 255 transitions, 664 flow
[2024-11-23 22:39:08,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 810.3333333333334) internal successors, (2431), 3 states have internal predecessors, (2431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:08,317 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:08,318 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:08,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96
[2024-11-23 22:39:08,318 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] ===
[2024-11-23 22:39:08,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:08,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1197661170, now seen corresponding path program 1 times
[2024-11-23 22:39:08,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:08,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193688885]
[2024-11-23 22:39:08,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:08,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:08,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:08,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:08,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193688885]
[2024-11-23 22:39:08,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193688885] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:08,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:08,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:08,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868324207]
[2024-11-23 22:39:08,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:08,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:08,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:08,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:08,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:08,521 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 757 out of 997
[2024-11-23 22:39:08,524 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 255 transitions, 664 flow. Second operand has 3 states, 3 states have (on average 758.0) internal successors, (2274), 3 states have internal predecessors, (2274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:08,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:08,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 757 of 997
[2024-11-23 22:39:08,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:09,173 INFO L124 PetriNetUnfolderBase]: 27/1169 cut-off events.
[2024-11-23 22:39:09,173 INFO L125 PetriNetUnfolderBase]: For 374/374 co-relation queries the response was YES.
[2024-11-23 22:39:09,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1461 conditions, 1169 events. 27/1169 cut-off events. For 374/374 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2585 event pairs, 0 based on Foata normal form. 26/1142 useless extension candidates. Maximal degree in co-relation 1412. Up to 135 conditions per place.
[2024-11-23 22:39:09,185 INFO L140 encePairwiseOnDemand]: 991/997 looper letters, 33 selfloop transitions, 1 changer transitions 24/250 dead transitions.
[2024-11-23 22:39:09,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 250 transitions, 726 flow
[2024-11-23 22:39:09,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:09,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:09,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2312 transitions.
[2024-11-23 22:39:09,189 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7729856235372785
[2024-11-23 22:39:09,189 INFO L175 Difference]: Start difference. First operand has 309 places, 255 transitions, 664 flow. Second operand 3 states and 2312 transitions.
[2024-11-23 22:39:09,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 250 transitions, 726 flow
[2024-11-23 22:39:09,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 250 transitions, 722 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:39:09,194 INFO L231 Difference]: Finished difference. Result has 303 places, 226 transitions, 602 flow
[2024-11-23 22:39:09,195 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=997, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=602, PETRI_PLACES=303, PETRI_TRANSITIONS=226}
[2024-11-23 22:39:09,195 INFO L279 CegarLoopForPetriNet]: 309 programPoint places, -6 predicate places.
[2024-11-23 22:39:09,196 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 226 transitions, 602 flow
[2024-11-23 22:39:09,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 758.0) internal successors, (2274), 3 states have internal predecessors, (2274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:09,196 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:09,196 INFO L206 CegarLoopForPetriNet]: trace histogram [26, 26, 26, 26, 26, 26, 26, 25, 25, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:09,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97
[2024-11-23 22:39:09,197 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] ===
[2024-11-23 22:39:09,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:09,201 INFO L85 PathProgramCache]: Analyzing trace with hash 2057549407, now seen corresponding path program 1 times
[2024-11-23 22:39:09,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:09,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651348513]
[2024-11-23 22:39:09,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:09,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:09,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:09,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:09,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651348513]
[2024-11-23 22:39:09,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651348513] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:09,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:09,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:39:09,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83584989]
[2024-11-23 22:39:09,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:09,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:39:09,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:09,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:39:09,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:39:09,745 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 832 out of 997
[2024-11-23 22:39:09,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 226 transitions, 602 flow. Second operand has 5 states, 5 states have (on average 839.0) internal successors, (4195), 5 states have internal predecessors, (4195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:09,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:09,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 832 of 997
[2024-11-23 22:39:09,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:10,077 INFO L124 PetriNetUnfolderBase]: 0/558 cut-off events.
[2024-11-23 22:39:10,078 INFO L125 PetriNetUnfolderBase]: For 373/373 co-relation queries the response was YES.
[2024-11-23 22:39:10,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 748 conditions, 558 events. 0/558 cut-off events. For 373/373 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 327 event pairs, 0 based on Foata normal form. 1/558 useless extension candidates. Maximal degree in co-relation 0. Up to 83 conditions per place.
[2024-11-23 22:39:10,079 INFO L140 encePairwiseOnDemand]: 992/997 looper letters, 33 selfloop transitions, 2 changer transitions 3/228 dead transitions.
[2024-11-23 22:39:10,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 228 transitions, 682 flow
[2024-11-23 22:39:10,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:39:10,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:39:10,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4199 transitions.
[2024-11-23 22:39:10,084 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8423269809428285
[2024-11-23 22:39:10,084 INFO L175 Difference]: Start difference. First operand has 303 places, 226 transitions, 602 flow. Second operand 5 states and 4199 transitions.
[2024-11-23 22:39:10,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 228 transitions, 682 flow
[2024-11-23 22:39:10,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 228 transitions, 681 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:10,089 INFO L231 Difference]: Finished difference. Result has 283 places, 225 transitions, 607 flow
[2024-11-23 22:39:10,089 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=997, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=607, PETRI_PLACES=283, PETRI_TRANSITIONS=225}
[2024-11-23 22:39:10,090 INFO L279 CegarLoopForPetriNet]: 309 programPoint places, -26 predicate places.
[2024-11-23 22:39:10,090 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 225 transitions, 607 flow
[2024-11-23 22:39:10,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 839.0) internal successors, (4195), 5 states have internal predecessors, (4195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:10,091 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:10,091 INFO L206 CegarLoopForPetriNet]: trace histogram [26, 26, 26, 26, 26, 26, 26, 25, 25, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:10,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98
[2024-11-23 22:39:10,091 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] ===
[2024-11-23 22:39:10,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:10,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1056660859, now seen corresponding path program 1 times
[2024-11-23 22:39:10,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:10,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461898291]
[2024-11-23 22:39:10,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:10,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:10,183 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:39:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:10,357 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:39:10,357 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:39:10,357 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 33 remaining)
[2024-11-23 22:39:10,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining)
[2024-11-23 22:39:10,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining)
[2024-11-23 22:39:10,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining)
[2024-11-23 22:39:10,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining)
[2024-11-23 22:39:10,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining)
[2024-11-23 22:39:10,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 33 remaining)
[2024-11-23 22:39:10,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining)
[2024-11-23 22:39:10,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining)
[2024-11-23 22:39:10,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining)
[2024-11-23 22:39:10,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining)
[2024-11-23 22:39:10,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining)
[2024-11-23 22:39:10,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining)
[2024-11-23 22:39:10,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining)
[2024-11-23 22:39:10,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining)
[2024-11-23 22:39:10,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining)
[2024-11-23 22:39:10,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining)
[2024-11-23 22:39:10,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining)
[2024-11-23 22:39:10,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining)
[2024-11-23 22:39:10,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 33 remaining)
[2024-11-23 22:39:10,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 33 remaining)
[2024-11-23 22:39:10,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining)
[2024-11-23 22:39:10,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining)
[2024-11-23 22:39:10,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining)
[2024-11-23 22:39:10,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining)
[2024-11-23 22:39:10,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining)
[2024-11-23 22:39:10,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining)
[2024-11-23 22:39:10,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining)
[2024-11-23 22:39:10,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining)
[2024-11-23 22:39:10,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining)
[2024-11-23 22:39:10,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining)
[2024-11-23 22:39:10,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining)
[2024-11-23 22:39:10,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining)
[2024-11-23 22:39:10,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99
[2024-11-23 22:39:10,359 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:39:10,360 WARN L246 ceAbstractionStarter]: 25 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:39:10,360 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 26 thread instances.
[2024-11-23 22:39:10,539 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:39:10,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1033 places, 1034 transitions, 3576 flow
[2024-11-23 22:39:11,158 INFO L124 PetriNetUnfolderBase]: 137/1759 cut-off events.
[2024-11-23 22:39:11,158 INFO L125 PetriNetUnfolderBase]: For 3250/3250 co-relation queries the response was YES.
[2024-11-23 22:39:11,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2243 conditions, 1759 events. 137/1759 cut-off events. For 3250/3250 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 5008 event pairs, 0 based on Foata normal form. 0/1537 useless extension candidates. Maximal degree in co-relation 2190. Up to 54 conditions per place.
[2024-11-23 22:39:11,180 INFO L82 GeneralOperation]: Start removeDead. Operand has 1033 places, 1034 transitions, 3576 flow
[2024-11-23 22:39:11,184 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 318 places, 267 transitions, 1291 flow
[2024-11-23 22:39:11,185 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:39:11,185 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:39:11,185 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations.
[2024-11-23 22:39:11,187 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:39:11,187 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:39:11,187 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:39:11,187 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:11,187 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:11,187 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 31 more)] ===
[2024-11-23 22:39:11,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:11,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1381200730, now seen corresponding path program 1 times
[2024-11-23 22:39:11,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:11,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879750151]
[2024-11-23 22:39:11,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:11,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:11,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:11,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:11,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879750151]
[2024-11-23 22:39:11,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879750151] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:11,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:11,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:11,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113378487]
[2024-11-23 22:39:11,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:11,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:11,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:11,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:11,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:11,403 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 839 out of 1034
[2024-11-23 22:39:11,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 267 transitions, 1291 flow. Second operand has 3 states, 3 states have (on average 840.3333333333334) internal successors, (2521), 3 states have internal predecessors, (2521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:11,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:11,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 839 of 1034
[2024-11-23 22:39:11,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:12,036 INFO L124 PetriNetUnfolderBase]: 55/1352 cut-off events.
[2024-11-23 22:39:12,037 INFO L125 PetriNetUnfolderBase]: For 3628/3628 co-relation queries the response was YES.
[2024-11-23 22:39:12,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2008 conditions, 1352 events. 55/1352 cut-off events. For 3628/3628 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 3646 event pairs, 27 based on Foata normal form. 55/1294 useless extension candidates. Maximal degree in co-relation 1893. Up to 195 conditions per place.
[2024-11-23 22:39:12,051 INFO L140 encePairwiseOnDemand]: 1028/1034 looper letters, 36 selfloop transitions, 2 changer transitions 1/263 dead transitions.
[2024-11-23 22:39:12,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 263 transitions, 1359 flow
[2024-11-23 22:39:12,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:12,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:12,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2559 transitions.
[2024-11-23 22:39:12,054 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8249516441005803
[2024-11-23 22:39:12,055 INFO L175 Difference]: Start difference. First operand has 318 places, 267 transitions, 1291 flow. Second operand 3 states and 2559 transitions.
[2024-11-23 22:39:12,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 263 transitions, 1359 flow
[2024-11-23 22:39:12,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 263 transitions, 758 flow, removed 300 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:12,070 INFO L231 Difference]: Finished difference. Result has 318 places, 262 transitions, 684 flow
[2024-11-23 22:39:12,071 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1034, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=684, PETRI_PLACES=318, PETRI_TRANSITIONS=262}
[2024-11-23 22:39:12,071 INFO L279 CegarLoopForPetriNet]: 318 programPoint places, 0 predicate places.
[2024-11-23 22:39:12,072 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 262 transitions, 684 flow
[2024-11-23 22:39:12,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 840.3333333333334) internal successors, (2521), 3 states have internal predecessors, (2521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:12,072 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:12,073 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:12,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100
[2024-11-23 22:39:12,073 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 31 more)] ===
[2024-11-23 22:39:12,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:12,074 INFO L85 PathProgramCache]: Analyzing trace with hash -785047410, now seen corresponding path program 1 times
[2024-11-23 22:39:12,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:12,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518449418]
[2024-11-23 22:39:12,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:12,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:12,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:12,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:12,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518449418]
[2024-11-23 22:39:12,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518449418] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:12,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:12,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:12,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839382742]
[2024-11-23 22:39:12,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:12,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:12,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:12,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:12,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:12,248 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 785 out of 1034
[2024-11-23 22:39:12,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 262 transitions, 684 flow. Second operand has 3 states, 3 states have (on average 786.0) internal successors, (2358), 3 states have internal predecessors, (2358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:12,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:12,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 785 of 1034
[2024-11-23 22:39:12,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:12,736 INFO L124 PetriNetUnfolderBase]: 28/1213 cut-off events.
[2024-11-23 22:39:12,737 INFO L125 PetriNetUnfolderBase]: For 402/402 co-relation queries the response was YES.
[2024-11-23 22:39:12,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1516 conditions, 1213 events. 28/1213 cut-off events. For 402/402 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2687 event pairs, 0 based on Foata normal form. 27/1185 useless extension candidates. Maximal degree in co-relation 1466. Up to 140 conditions per place.
[2024-11-23 22:39:12,755 INFO L140 encePairwiseOnDemand]: 1028/1034 looper letters, 34 selfloop transitions, 1 changer transitions 24/257 dead transitions.
[2024-11-23 22:39:12,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 257 transitions, 748 flow
[2024-11-23 22:39:12,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:12,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:12,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2397 transitions.
[2024-11-23 22:39:12,760 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7727272727272727
[2024-11-23 22:39:12,760 INFO L175 Difference]: Start difference. First operand has 318 places, 262 transitions, 684 flow. Second operand 3 states and 2397 transitions.
[2024-11-23 22:39:12,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 257 transitions, 748 flow
[2024-11-23 22:39:12,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 257 transitions, 744 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:39:12,766 INFO L231 Difference]: Finished difference. Result has 312 places, 233 transitions, 622 flow
[2024-11-23 22:39:12,767 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1034, PETRI_DIFFERENCE_MINUEND_FLOW=670, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=312, PETRI_TRANSITIONS=233}
[2024-11-23 22:39:12,768 INFO L279 CegarLoopForPetriNet]: 318 programPoint places, -6 predicate places.
[2024-11-23 22:39:12,768 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 233 transitions, 622 flow
[2024-11-23 22:39:12,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 786.0) internal successors, (2358), 3 states have internal predecessors, (2358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:12,768 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:12,770 INFO L206 CegarLoopForPetriNet]: trace histogram [27, 27, 27, 27, 27, 27, 27, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:12,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101
[2024-11-23 22:39:12,770 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 31 more)] ===
[2024-11-23 22:39:12,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:12,775 INFO L85 PathProgramCache]: Analyzing trace with hash 503374846, now seen corresponding path program 1 times
[2024-11-23 22:39:12,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:12,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603941523]
[2024-11-23 22:39:12,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:12,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:13,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:13,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:13,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603941523]
[2024-11-23 22:39:13,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603941523] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:13,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:13,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:39:13,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459281229]
[2024-11-23 22:39:13,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:13,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:39:13,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:13,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:39:13,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:39:13,191 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 863 out of 1034
[2024-11-23 22:39:13,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 233 transitions, 622 flow. Second operand has 5 states, 5 states have (on average 870.2) internal successors, (4351), 5 states have internal predecessors, (4351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:13,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:13,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 863 of 1034
[2024-11-23 22:39:13,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:13,381 INFO L124 PetriNetUnfolderBase]: 0/578 cut-off events.
[2024-11-23 22:39:13,381 INFO L125 PetriNetUnfolderBase]: For 401/401 co-relation queries the response was YES.
[2024-11-23 22:39:13,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 775 conditions, 578 events. 0/578 cut-off events. For 401/401 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 339 event pairs, 0 based on Foata normal form. 1/578 useless extension candidates. Maximal degree in co-relation 0. Up to 86 conditions per place.
[2024-11-23 22:39:13,382 INFO L140 encePairwiseOnDemand]: 1029/1034 looper letters, 34 selfloop transitions, 2 changer transitions 3/235 dead transitions.
[2024-11-23 22:39:13,382 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 235 transitions, 704 flow
[2024-11-23 22:39:13,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:39:13,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:39:13,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4355 transitions.
[2024-11-23 22:39:13,385 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8423597678916828
[2024-11-23 22:39:13,385 INFO L175 Difference]: Start difference. First operand has 312 places, 233 transitions, 622 flow. Second operand 5 states and 4355 transitions.
[2024-11-23 22:39:13,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 235 transitions, 704 flow
[2024-11-23 22:39:13,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 235 transitions, 703 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:13,389 INFO L231 Difference]: Finished difference. Result has 292 places, 232 transitions, 627 flow
[2024-11-23 22:39:13,389 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1034, PETRI_DIFFERENCE_MINUEND_FLOW=621, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=627, PETRI_PLACES=292, PETRI_TRANSITIONS=232}
[2024-11-23 22:39:13,390 INFO L279 CegarLoopForPetriNet]: 318 programPoint places, -26 predicate places.
[2024-11-23 22:39:13,390 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 232 transitions, 627 flow
[2024-11-23 22:39:13,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 870.2) internal successors, (4351), 5 states have internal predecessors, (4351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:13,391 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:13,391 INFO L206 CegarLoopForPetriNet]: trace histogram [27, 27, 27, 27, 27, 27, 27, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:13,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102
[2024-11-23 22:39:13,391 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 31 more)] ===
[2024-11-23 22:39:13,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:13,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1315065114, now seen corresponding path program 1 times
[2024-11-23 22:39:13,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:13,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74330410]
[2024-11-23 22:39:13,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:13,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:13,462 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:39:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:13,641 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:39:13,641 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:39:13,642 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 34 remaining)
[2024-11-23 22:39:13,642 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (32 of 34 remaining)
[2024-11-23 22:39:13,642 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (31 of 34 remaining)
[2024-11-23 22:39:13,642 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (30 of 34 remaining)
[2024-11-23 22:39:13,642 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (29 of 34 remaining)
[2024-11-23 22:39:13,642 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (28 of 34 remaining)
[2024-11-23 22:39:13,642 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 34 remaining)
[2024-11-23 22:39:13,642 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 34 remaining)
[2024-11-23 22:39:13,643 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 34 remaining)
[2024-11-23 22:39:13,643 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 34 remaining)
[2024-11-23 22:39:13,643 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 34 remaining)
[2024-11-23 22:39:13,643 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 34 remaining)
[2024-11-23 22:39:13,643 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 34 remaining)
[2024-11-23 22:39:13,643 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 34 remaining)
[2024-11-23 22:39:13,643 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 34 remaining)
[2024-11-23 22:39:13,643 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 34 remaining)
[2024-11-23 22:39:13,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 34 remaining)
[2024-11-23 22:39:13,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 34 remaining)
[2024-11-23 22:39:13,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 34 remaining)
[2024-11-23 22:39:13,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 34 remaining)
[2024-11-23 22:39:13,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 34 remaining)
[2024-11-23 22:39:13,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 34 remaining)
[2024-11-23 22:39:13,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 34 remaining)
[2024-11-23 22:39:13,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 34 remaining)
[2024-11-23 22:39:13,644 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 34 remaining)
[2024-11-23 22:39:13,645 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 34 remaining)
[2024-11-23 22:39:13,645 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 34 remaining)
[2024-11-23 22:39:13,645 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 34 remaining)
[2024-11-23 22:39:13,645 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 34 remaining)
[2024-11-23 22:39:13,645 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 34 remaining)
[2024-11-23 22:39:13,645 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 34 remaining)
[2024-11-23 22:39:13,645 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 34 remaining)
[2024-11-23 22:39:13,645 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 34 remaining)
[2024-11-23 22:39:13,645 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 34 remaining)
[2024-11-23 22:39:13,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103
[2024-11-23 22:39:13,646 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:39:13,646 WARN L246 ceAbstractionStarter]: 26 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:39:13,646 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 27 thread instances.
[2024-11-23 22:39:13,827 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:39:13,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1070 places, 1071 transitions, 3762 flow
[2024-11-23 22:39:14,375 INFO L124 PetriNetUnfolderBase]: 142/1823 cut-off events.
[2024-11-23 22:39:14,375 INFO L125 PetriNetUnfolderBase]: For 3627/3627 co-relation queries the response was YES.
[2024-11-23 22:39:14,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2339 conditions, 1823 events. 142/1823 cut-off events. For 3627/3627 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 5093 event pairs, 0 based on Foata normal form. 0/1593 useless extension candidates. Maximal degree in co-relation 2284. Up to 56 conditions per place.
[2024-11-23 22:39:14,401 INFO L82 GeneralOperation]: Start removeDead. Operand has 1070 places, 1071 transitions, 3762 flow
[2024-11-23 22:39:14,407 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 327 places, 274 transitions, 1361 flow
[2024-11-23 22:39:14,408 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:39:14,408 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:39:14,408 INFO L334 AbstractCegarLoop]: Starting to check reachability of 35 error locations.
[2024-11-23 22:39:14,410 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:39:14,410 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:39:14,410 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:39:14,410 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:14,410 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:14,410 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] ===
[2024-11-23 22:39:14,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:14,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1171678298, now seen corresponding path program 1 times
[2024-11-23 22:39:14,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:14,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184927398]
[2024-11-23 22:39:14,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:14,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:14,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:14,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:14,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184927398]
[2024-11-23 22:39:14,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184927398] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:14,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:14,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:14,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410719312]
[2024-11-23 22:39:14,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:14,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:14,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:14,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:14,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:14,651 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 869 out of 1071
[2024-11-23 22:39:14,653 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 274 transitions, 1361 flow. Second operand has 3 states, 3 states have (on average 870.3333333333334) internal successors, (2611), 3 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:14,653 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:14,653 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 869 of 1071
[2024-11-23 22:39:14,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:15,213 INFO L124 PetriNetUnfolderBase]: 57/1401 cut-off events.
[2024-11-23 22:39:15,213 INFO L125 PetriNetUnfolderBase]: For 4033/4033 co-relation queries the response was YES.
[2024-11-23 22:39:15,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2095 conditions, 1401 events. 57/1401 cut-off events. For 4033/4033 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 3776 event pairs, 28 based on Foata normal form. 57/1341 useless extension candidates. Maximal degree in co-relation 1978. Up to 202 conditions per place.
[2024-11-23 22:39:15,231 INFO L140 encePairwiseOnDemand]: 1065/1071 looper letters, 37 selfloop transitions, 2 changer transitions 1/270 dead transitions.
[2024-11-23 22:39:15,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 270 transitions, 1431 flow
[2024-11-23 22:39:15,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:15,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:15,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2650 transitions.
[2024-11-23 22:39:15,234 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8247743541861189
[2024-11-23 22:39:15,234 INFO L175 Difference]: Start difference. First operand has 327 places, 274 transitions, 1361 flow. Second operand 3 states and 2650 transitions.
[2024-11-23 22:39:15,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 270 transitions, 1431 flow
[2024-11-23 22:39:15,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 270 transitions, 780 flow, removed 325 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:15,251 INFO L231 Difference]: Finished difference. Result has 327 places, 269 transitions, 704 flow
[2024-11-23 22:39:15,252 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1071, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=704, PETRI_PLACES=327, PETRI_TRANSITIONS=269}
[2024-11-23 22:39:15,253 INFO L279 CegarLoopForPetriNet]: 327 programPoint places, 0 predicate places.
[2024-11-23 22:39:15,253 INFO L471 AbstractCegarLoop]: Abstraction has has 327 places, 269 transitions, 704 flow
[2024-11-23 22:39:15,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 870.3333333333334) internal successors, (2611), 3 states have internal predecessors, (2611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:15,254 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:15,254 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:15,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104
[2024-11-23 22:39:15,254 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] ===
[2024-11-23 22:39:15,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:15,255 INFO L85 PathProgramCache]: Analyzing trace with hash 747225934, now seen corresponding path program 1 times
[2024-11-23 22:39:15,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:15,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272650880]
[2024-11-23 22:39:15,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:15,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:15,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:15,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:15,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272650880]
[2024-11-23 22:39:15,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272650880] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:15,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:15,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:15,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655539691]
[2024-11-23 22:39:15,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:15,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:15,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:15,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:15,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:15,430 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 813 out of 1071
[2024-11-23 22:39:15,432 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 269 transitions, 704 flow. Second operand has 3 states, 3 states have (on average 814.0) internal successors, (2442), 3 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:15,432 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:15,432 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 813 of 1071
[2024-11-23 22:39:15,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:15,838 INFO L124 PetriNetUnfolderBase]: 29/1257 cut-off events.
[2024-11-23 22:39:15,838 INFO L125 PetriNetUnfolderBase]: For 431/431 co-relation queries the response was YES.
[2024-11-23 22:39:15,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1571 conditions, 1257 events. 29/1257 cut-off events. For 431/431 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2789 event pairs, 0 based on Foata normal form. 28/1228 useless extension candidates. Maximal degree in co-relation 1520. Up to 145 conditions per place.
[2024-11-23 22:39:15,852 INFO L140 encePairwiseOnDemand]: 1065/1071 looper letters, 35 selfloop transitions, 1 changer transitions 24/264 dead transitions.
[2024-11-23 22:39:15,852 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 264 transitions, 770 flow
[2024-11-23 22:39:15,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:15,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:15,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2482 transitions.
[2024-11-23 22:39:15,854 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7724867724867724
[2024-11-23 22:39:15,854 INFO L175 Difference]: Start difference. First operand has 327 places, 269 transitions, 704 flow. Second operand 3 states and 2482 transitions.
[2024-11-23 22:39:15,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 264 transitions, 770 flow
[2024-11-23 22:39:15,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 264 transitions, 766 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:39:15,858 INFO L231 Difference]: Finished difference. Result has 321 places, 240 transitions, 642 flow
[2024-11-23 22:39:15,858 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1071, PETRI_DIFFERENCE_MINUEND_FLOW=690, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=642, PETRI_PLACES=321, PETRI_TRANSITIONS=240}
[2024-11-23 22:39:15,859 INFO L279 CegarLoopForPetriNet]: 327 programPoint places, -6 predicate places.
[2024-11-23 22:39:15,859 INFO L471 AbstractCegarLoop]: Abstraction has has 321 places, 240 transitions, 642 flow
[2024-11-23 22:39:15,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 814.0) internal successors, (2442), 3 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:15,860 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:15,860 INFO L206 CegarLoopForPetriNet]: trace histogram [28, 28, 28, 28, 28, 28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:15,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105
[2024-11-23 22:39:15,860 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] ===
[2024-11-23 22:39:15,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:15,865 INFO L85 PathProgramCache]: Analyzing trace with hash -2012796309, now seen corresponding path program 1 times
[2024-11-23 22:39:15,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:15,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634516491]
[2024-11-23 22:39:15,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:15,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:16,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:16,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:16,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634516491]
[2024-11-23 22:39:16,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634516491] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:16,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:16,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:39:16,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677205782]
[2024-11-23 22:39:16,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:16,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:39:16,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:16,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:39:16,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:39:16,287 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 894 out of 1071
[2024-11-23 22:39:16,290 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 240 transitions, 642 flow. Second operand has 5 states, 5 states have (on average 901.4) internal successors, (4507), 5 states have internal predecessors, (4507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:16,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:16,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 894 of 1071
[2024-11-23 22:39:16,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:16,642 INFO L124 PetriNetUnfolderBase]: 0/598 cut-off events.
[2024-11-23 22:39:16,642 INFO L125 PetriNetUnfolderBase]: For 430/430 co-relation queries the response was YES.
[2024-11-23 22:39:16,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 802 conditions, 598 events. 0/598 cut-off events. For 430/430 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 351 event pairs, 0 based on Foata normal form. 1/598 useless extension candidates. Maximal degree in co-relation 0. Up to 89 conditions per place.
[2024-11-23 22:39:16,643 INFO L140 encePairwiseOnDemand]: 1066/1071 looper letters, 35 selfloop transitions, 2 changer transitions 3/242 dead transitions.
[2024-11-23 22:39:16,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 242 transitions, 726 flow
[2024-11-23 22:39:16,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:39:16,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:39:16,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4511 transitions.
[2024-11-23 22:39:16,647 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.842390289449113
[2024-11-23 22:39:16,647 INFO L175 Difference]: Start difference. First operand has 321 places, 240 transitions, 642 flow. Second operand 5 states and 4511 transitions.
[2024-11-23 22:39:16,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 242 transitions, 726 flow
[2024-11-23 22:39:16,649 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 242 transitions, 725 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:16,651 INFO L231 Difference]: Finished difference. Result has 301 places, 239 transitions, 647 flow
[2024-11-23 22:39:16,651 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1071, PETRI_DIFFERENCE_MINUEND_FLOW=641, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=238, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=647, PETRI_PLACES=301, PETRI_TRANSITIONS=239}
[2024-11-23 22:39:16,652 INFO L279 CegarLoopForPetriNet]: 327 programPoint places, -26 predicate places.
[2024-11-23 22:39:16,652 INFO L471 AbstractCegarLoop]: Abstraction has has 301 places, 239 transitions, 647 flow
[2024-11-23 22:39:16,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 901.4) internal successors, (4507), 5 states have internal predecessors, (4507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:16,653 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:16,653 INFO L206 CegarLoopForPetriNet]: trace histogram [28, 28, 28, 28, 28, 28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:16,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106
[2024-11-23 22:39:16,653 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] ===
[2024-11-23 22:39:16,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:16,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1985860136, now seen corresponding path program 1 times
[2024-11-23 22:39:16,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:16,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843153096]
[2024-11-23 22:39:16,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:16,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:16,729 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:39:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:16,928 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:39:16,928 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:39:16,928 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 35 remaining)
[2024-11-23 22:39:16,928 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (33 of 35 remaining)
[2024-11-23 22:39:16,928 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (32 of 35 remaining)
[2024-11-23 22:39:16,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (31 of 35 remaining)
[2024-11-23 22:39:16,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 35 remaining)
[2024-11-23 22:39:16,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 35 remaining)
[2024-11-23 22:39:16,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 35 remaining)
[2024-11-23 22:39:16,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 35 remaining)
[2024-11-23 22:39:16,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 35 remaining)
[2024-11-23 22:39:16,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 35 remaining)
[2024-11-23 22:39:16,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 35 remaining)
[2024-11-23 22:39:16,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 35 remaining)
[2024-11-23 22:39:16,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 35 remaining)
[2024-11-23 22:39:16,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 35 remaining)
[2024-11-23 22:39:16,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 35 remaining)
[2024-11-23 22:39:16,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 35 remaining)
[2024-11-23 22:39:16,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 35 remaining)
[2024-11-23 22:39:16,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 35 remaining)
[2024-11-23 22:39:16,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 35 remaining)
[2024-11-23 22:39:16,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 35 remaining)
[2024-11-23 22:39:16,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 35 remaining)
[2024-11-23 22:39:16,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 35 remaining)
[2024-11-23 22:39:16,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 35 remaining)
[2024-11-23 22:39:16,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 35 remaining)
[2024-11-23 22:39:16,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 35 remaining)
[2024-11-23 22:39:16,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 35 remaining)
[2024-11-23 22:39:16,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 35 remaining)
[2024-11-23 22:39:16,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 35 remaining)
[2024-11-23 22:39:16,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 35 remaining)
[2024-11-23 22:39:16,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 35 remaining)
[2024-11-23 22:39:16,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 35 remaining)
[2024-11-23 22:39:16,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 35 remaining)
[2024-11-23 22:39:16,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 35 remaining)
[2024-11-23 22:39:16,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 35 remaining)
[2024-11-23 22:39:16,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 35 remaining)
[2024-11-23 22:39:16,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107
[2024-11-23 22:39:16,933 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:39:16,934 WARN L246 ceAbstractionStarter]: 27 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:39:16,934 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 28 thread instances.
[2024-11-23 22:39:17,129 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:39:17,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1107 places, 1108 transitions, 3952 flow
[2024-11-23 22:39:17,766 INFO L124 PetriNetUnfolderBase]: 147/1887 cut-off events.
[2024-11-23 22:39:17,766 INFO L125 PetriNetUnfolderBase]: For 4032/4032 co-relation queries the response was YES.
[2024-11-23 22:39:17,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2436 conditions, 1887 events. 147/1887 cut-off events. For 4032/4032 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 5236 event pairs, 0 based on Foata normal form. 0/1649 useless extension candidates. Maximal degree in co-relation 2379. Up to 58 conditions per place.
[2024-11-23 22:39:17,785 INFO L82 GeneralOperation]: Start removeDead. Operand has 1107 places, 1108 transitions, 3952 flow
[2024-11-23 22:39:17,789 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 336 places, 281 transitions, 1433 flow
[2024-11-23 22:39:17,789 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:39:17,789 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:39:17,789 INFO L334 AbstractCegarLoop]: Starting to check reachability of 36 error locations.
[2024-11-23 22:39:17,791 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:39:17,791 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:39:17,791 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:39:17,791 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:17,791 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:17,791 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2024-11-23 22:39:17,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:17,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1011060826, now seen corresponding path program 1 times
[2024-11-23 22:39:17,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:17,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747147451]
[2024-11-23 22:39:17,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:17,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:17,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:17,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:17,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747147451]
[2024-11-23 22:39:17,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747147451] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:17,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:17,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:17,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189605283]
[2024-11-23 22:39:17,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:17,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:17,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:17,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:17,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:17,997 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 899 out of 1108
[2024-11-23 22:39:17,999 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 281 transitions, 1433 flow. Second operand has 3 states, 3 states have (on average 900.3333333333334) internal successors, (2701), 3 states have internal predecessors, (2701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:17,999 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:17,999 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 899 of 1108
[2024-11-23 22:39:17,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:18,450 INFO L124 PetriNetUnfolderBase]: 59/1450 cut-off events.
[2024-11-23 22:39:18,450 INFO L125 PetriNetUnfolderBase]: For 4467/4467 co-relation queries the response was YES.
[2024-11-23 22:39:18,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2183 conditions, 1450 events. 59/1450 cut-off events. For 4467/4467 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 3928 event pairs, 29 based on Foata normal form. 59/1388 useless extension candidates. Maximal degree in co-relation 2064. Up to 209 conditions per place.
[2024-11-23 22:39:18,468 INFO L140 encePairwiseOnDemand]: 1102/1108 looper letters, 38 selfloop transitions, 2 changer transitions 1/277 dead transitions.
[2024-11-23 22:39:18,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 277 transitions, 1505 flow
[2024-11-23 22:39:18,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:18,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:18,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2741 transitions.
[2024-11-23 22:39:18,471 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8246089049338147
[2024-11-23 22:39:18,471 INFO L175 Difference]: Start difference. First operand has 336 places, 281 transitions, 1433 flow. Second operand 3 states and 2741 transitions.
[2024-11-23 22:39:18,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 277 transitions, 1505 flow
[2024-11-23 22:39:18,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 277 transitions, 802 flow, removed 351 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:18,482 INFO L231 Difference]: Finished difference. Result has 336 places, 276 transitions, 724 flow
[2024-11-23 22:39:18,482 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1108, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=724, PETRI_PLACES=336, PETRI_TRANSITIONS=276}
[2024-11-23 22:39:18,482 INFO L279 CegarLoopForPetriNet]: 336 programPoint places, 0 predicate places.
[2024-11-23 22:39:18,483 INFO L471 AbstractCegarLoop]: Abstraction has has 336 places, 276 transitions, 724 flow
[2024-11-23 22:39:18,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 900.3333333333334) internal successors, (2701), 3 states have internal predecessors, (2701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:18,483 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:18,483 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:18,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108
[2024-11-23 22:39:18,483 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2024-11-23 22:39:18,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:18,484 INFO L85 PathProgramCache]: Analyzing trace with hash -895808434, now seen corresponding path program 1 times
[2024-11-23 22:39:18,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:18,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007655257]
[2024-11-23 22:39:18,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:18,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:18,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:18,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:18,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007655257]
[2024-11-23 22:39:18,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007655257] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:18,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:18,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:18,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018513062]
[2024-11-23 22:39:18,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:18,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:18,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:18,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:18,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:18,660 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 841 out of 1108
[2024-11-23 22:39:18,662 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 276 transitions, 724 flow. Second operand has 3 states, 3 states have (on average 842.0) internal successors, (2526), 3 states have internal predecessors, (2526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:18,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:18,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 841 of 1108
[2024-11-23 22:39:18,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:19,074 INFO L124 PetriNetUnfolderBase]: 30/1301 cut-off events.
[2024-11-23 22:39:19,074 INFO L125 PetriNetUnfolderBase]: For 461/461 co-relation queries the response was YES.
[2024-11-23 22:39:19,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1626 conditions, 1301 events. 30/1301 cut-off events. For 461/461 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2892 event pairs, 0 based on Foata normal form. 29/1271 useless extension candidates. Maximal degree in co-relation 1574. Up to 150 conditions per place.
[2024-11-23 22:39:19,087 INFO L140 encePairwiseOnDemand]: 1102/1108 looper letters, 36 selfloop transitions, 1 changer transitions 24/271 dead transitions.
[2024-11-23 22:39:19,087 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 271 transitions, 792 flow
[2024-11-23 22:39:19,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:19,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:19,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2567 transitions.
[2024-11-23 22:39:19,089 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7722623345367028
[2024-11-23 22:39:19,089 INFO L175 Difference]: Start difference. First operand has 336 places, 276 transitions, 724 flow. Second operand 3 states and 2567 transitions.
[2024-11-23 22:39:19,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 271 transitions, 792 flow
[2024-11-23 22:39:19,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 271 transitions, 788 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:39:19,093 INFO L231 Difference]: Finished difference. Result has 330 places, 247 transitions, 662 flow
[2024-11-23 22:39:19,093 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1108, PETRI_DIFFERENCE_MINUEND_FLOW=710, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=662, PETRI_PLACES=330, PETRI_TRANSITIONS=247}
[2024-11-23 22:39:19,094 INFO L279 CegarLoopForPetriNet]: 336 programPoint places, -6 predicate places.
[2024-11-23 22:39:19,094 INFO L471 AbstractCegarLoop]: Abstraction has has 330 places, 247 transitions, 662 flow
[2024-11-23 22:39:19,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 842.0) internal successors, (2526), 3 states have internal predecessors, (2526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:19,094 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:19,094 INFO L206 CegarLoopForPetriNet]: trace histogram [29, 29, 29, 29, 29, 29, 29, 28, 28, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:19,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109
[2024-11-23 22:39:19,094 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2024-11-23 22:39:19,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:19,097 INFO L85 PathProgramCache]: Analyzing trace with hash -2073691706, now seen corresponding path program 1 times
[2024-11-23 22:39:19,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:19,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141206158]
[2024-11-23 22:39:19,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:19,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:19,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:19,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:19,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141206158]
[2024-11-23 22:39:19,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141206158] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:19,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:19,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:39:19,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528050923]
[2024-11-23 22:39:19,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:19,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:39:19,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:19,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:39:19,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:39:19,480 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 925 out of 1108
[2024-11-23 22:39:19,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 247 transitions, 662 flow. Second operand has 5 states, 5 states have (on average 932.6) internal successors, (4663), 5 states have internal predecessors, (4663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:19,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:19,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 925 of 1108
[2024-11-23 22:39:19,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:19,721 INFO L124 PetriNetUnfolderBase]: 0/618 cut-off events.
[2024-11-23 22:39:19,721 INFO L125 PetriNetUnfolderBase]: For 460/460 co-relation queries the response was YES.
[2024-11-23 22:39:19,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 829 conditions, 618 events. 0/618 cut-off events. For 460/460 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 362 event pairs, 0 based on Foata normal form. 1/618 useless extension candidates. Maximal degree in co-relation 0. Up to 92 conditions per place.
[2024-11-23 22:39:19,722 INFO L140 encePairwiseOnDemand]: 1103/1108 looper letters, 36 selfloop transitions, 2 changer transitions 3/249 dead transitions.
[2024-11-23 22:39:19,722 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 249 transitions, 748 flow
[2024-11-23 22:39:19,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:39:19,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:39:19,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4667 transitions.
[2024-11-23 22:39:19,725 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8424187725631769
[2024-11-23 22:39:19,725 INFO L175 Difference]: Start difference. First operand has 330 places, 247 transitions, 662 flow. Second operand 5 states and 4667 transitions.
[2024-11-23 22:39:19,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 249 transitions, 748 flow
[2024-11-23 22:39:19,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 249 transitions, 747 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:19,729 INFO L231 Difference]: Finished difference. Result has 310 places, 246 transitions, 667 flow
[2024-11-23 22:39:19,730 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1108, PETRI_DIFFERENCE_MINUEND_FLOW=661, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=667, PETRI_PLACES=310, PETRI_TRANSITIONS=246}
[2024-11-23 22:39:19,730 INFO L279 CegarLoopForPetriNet]: 336 programPoint places, -26 predicate places.
[2024-11-23 22:39:19,730 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 246 transitions, 667 flow
[2024-11-23 22:39:19,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 932.6) internal successors, (4663), 5 states have internal predecessors, (4663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:19,731 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:19,731 INFO L206 CegarLoopForPetriNet]: trace histogram [29, 29, 29, 29, 29, 29, 29, 28, 28, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:19,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110
[2024-11-23 22:39:19,731 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 33 more)] ===
[2024-11-23 22:39:19,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:19,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1118020383, now seen corresponding path program 1 times
[2024-11-23 22:39:19,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:19,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769193826]
[2024-11-23 22:39:19,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:19,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:19,787 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:39:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:20,117 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:39:20,118 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:39:20,118 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 36 remaining)
[2024-11-23 22:39:20,118 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 36 remaining)
[2024-11-23 22:39:20,118 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 36 remaining)
[2024-11-23 22:39:20,119 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 36 remaining)
[2024-11-23 22:39:20,119 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 36 remaining)
[2024-11-23 22:39:20,119 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 36 remaining)
[2024-11-23 22:39:20,119 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 36 remaining)
[2024-11-23 22:39:20,119 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 36 remaining)
[2024-11-23 22:39:20,119 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 36 remaining)
[2024-11-23 22:39:20,119 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 36 remaining)
[2024-11-23 22:39:20,119 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 36 remaining)
[2024-11-23 22:39:20,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 36 remaining)
[2024-11-23 22:39:20,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 36 remaining)
[2024-11-23 22:39:20,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 36 remaining)
[2024-11-23 22:39:20,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 36 remaining)
[2024-11-23 22:39:20,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 36 remaining)
[2024-11-23 22:39:20,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 36 remaining)
[2024-11-23 22:39:20,120 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 36 remaining)
[2024-11-23 22:39:20,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 36 remaining)
[2024-11-23 22:39:20,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 36 remaining)
[2024-11-23 22:39:20,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 36 remaining)
[2024-11-23 22:39:20,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 36 remaining)
[2024-11-23 22:39:20,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 36 remaining)
[2024-11-23 22:39:20,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 36 remaining)
[2024-11-23 22:39:20,121 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 36 remaining)
[2024-11-23 22:39:20,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 36 remaining)
[2024-11-23 22:39:20,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 36 remaining)
[2024-11-23 22:39:20,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 36 remaining)
[2024-11-23 22:39:20,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 36 remaining)
[2024-11-23 22:39:20,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 36 remaining)
[2024-11-23 22:39:20,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 36 remaining)
[2024-11-23 22:39:20,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 36 remaining)
[2024-11-23 22:39:20,122 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 36 remaining)
[2024-11-23 22:39:20,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 36 remaining)
[2024-11-23 22:39:20,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 36 remaining)
[2024-11-23 22:39:20,123 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 36 remaining)
[2024-11-23 22:39:20,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111
[2024-11-23 22:39:20,123 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:39:20,124 WARN L246 ceAbstractionStarter]: 28 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:39:20,124 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 29 thread instances.
[2024-11-23 22:39:20,391 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:39:20,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1144 places, 1145 transitions, 4146 flow
[2024-11-23 22:39:21,266 INFO L124 PetriNetUnfolderBase]: 152/1951 cut-off events.
[2024-11-23 22:39:21,266 INFO L125 PetriNetUnfolderBase]: For 4466/4466 co-relation queries the response was YES.
[2024-11-23 22:39:21,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2534 conditions, 1951 events. 152/1951 cut-off events. For 4466/4466 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 5534 event pairs, 0 based on Foata normal form. 0/1705 useless extension candidates. Maximal degree in co-relation 2475. Up to 60 conditions per place.
[2024-11-23 22:39:21,291 INFO L82 GeneralOperation]: Start removeDead. Operand has 1144 places, 1145 transitions, 4146 flow
[2024-11-23 22:39:21,296 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 345 places, 288 transitions, 1507 flow
[2024-11-23 22:39:21,297 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:39:21,297 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:39:21,297 INFO L334 AbstractCegarLoop]: Starting to check reachability of 37 error locations.
[2024-11-23 22:39:21,300 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:39:21,300 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:39:21,300 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:39:21,300 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:21,301 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:21,301 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2024-11-23 22:39:21,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:21,301 INFO L85 PathProgramCache]: Analyzing trace with hash -899348314, now seen corresponding path program 1 times
[2024-11-23 22:39:21,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:21,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016643073]
[2024-11-23 22:39:21,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:21,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:21,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:21,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:21,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016643073]
[2024-11-23 22:39:21,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016643073] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:21,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:21,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:21,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919339849]
[2024-11-23 22:39:21,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:21,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:21,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:21,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:21,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:21,551 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 929 out of 1145
[2024-11-23 22:39:21,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 288 transitions, 1507 flow. Second operand has 3 states, 3 states have (on average 930.3333333333334) internal successors, (2791), 3 states have internal predecessors, (2791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:21,554 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:21,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 929 of 1145
[2024-11-23 22:39:21,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:22,138 INFO L124 PetriNetUnfolderBase]: 61/1499 cut-off events.
[2024-11-23 22:39:22,139 INFO L125 PetriNetUnfolderBase]: For 4931/4931 co-relation queries the response was YES.
[2024-11-23 22:39:22,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2272 conditions, 1499 events. 61/1499 cut-off events. For 4931/4931 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 3935 event pairs, 30 based on Foata normal form. 31/1405 useless extension candidates. Maximal degree in co-relation 2151. Up to 216 conditions per place.
[2024-11-23 22:39:22,159 INFO L140 encePairwiseOnDemand]: 1139/1145 looper letters, 39 selfloop transitions, 2 changer transitions 1/284 dead transitions.
[2024-11-23 22:39:22,160 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 284 transitions, 1581 flow
[2024-11-23 22:39:22,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:22,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:22,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2832 transitions.
[2024-11-23 22:39:22,163 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8244541484716157
[2024-11-23 22:39:22,163 INFO L175 Difference]: Start difference. First operand has 345 places, 288 transitions, 1507 flow. Second operand 3 states and 2832 transitions.
[2024-11-23 22:39:22,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 284 transitions, 1581 flow
[2024-11-23 22:39:22,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 284 transitions, 824 flow, removed 378 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:22,183 INFO L231 Difference]: Finished difference. Result has 345 places, 283 transitions, 744 flow
[2024-11-23 22:39:22,184 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1145, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=744, PETRI_PLACES=345, PETRI_TRANSITIONS=283}
[2024-11-23 22:39:22,185 INFO L279 CegarLoopForPetriNet]: 345 programPoint places, 0 predicate places.
[2024-11-23 22:39:22,185 INFO L471 AbstractCegarLoop]: Abstraction has has 345 places, 283 transitions, 744 flow
[2024-11-23 22:39:22,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 930.3333333333334) internal successors, (2791), 3 states have internal predecessors, (2791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:22,186 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:22,186 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:22,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112
[2024-11-23 22:39:22,186 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2024-11-23 22:39:22,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:22,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1419183218, now seen corresponding path program 1 times
[2024-11-23 22:39:22,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:22,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675429624]
[2024-11-23 22:39:22,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:22,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:22,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:22,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:22,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675429624]
[2024-11-23 22:39:22,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675429624] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:22,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:22,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:22,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342771328]
[2024-11-23 22:39:22,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:22,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:22,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:22,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:22,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:22,401 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 869 out of 1145
[2024-11-23 22:39:22,403 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 283 transitions, 744 flow. Second operand has 3 states, 3 states have (on average 870.0) internal successors, (2610), 3 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:22,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:22,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 869 of 1145
[2024-11-23 22:39:22,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:22,854 INFO L124 PetriNetUnfolderBase]: 31/1345 cut-off events.
[2024-11-23 22:39:22,854 INFO L125 PetriNetUnfolderBase]: For 492/492 co-relation queries the response was YES.
[2024-11-23 22:39:22,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1681 conditions, 1345 events. 31/1345 cut-off events. For 492/492 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 2934 event pairs, 0 based on Foata normal form. 30/1314 useless extension candidates. Maximal degree in co-relation 1628. Up to 155 conditions per place.
[2024-11-23 22:39:22,869 INFO L140 encePairwiseOnDemand]: 1139/1145 looper letters, 37 selfloop transitions, 1 changer transitions 24/278 dead transitions.
[2024-11-23 22:39:22,869 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 278 transitions, 814 flow
[2024-11-23 22:39:22,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:22,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:22,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2652 transitions.
[2024-11-23 22:39:22,872 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7720524017467248
[2024-11-23 22:39:22,872 INFO L175 Difference]: Start difference. First operand has 345 places, 283 transitions, 744 flow. Second operand 3 states and 2652 transitions.
[2024-11-23 22:39:22,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 278 transitions, 814 flow
[2024-11-23 22:39:22,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 278 transitions, 810 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:39:22,877 INFO L231 Difference]: Finished difference. Result has 339 places, 254 transitions, 682 flow
[2024-11-23 22:39:22,878 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1145, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=682, PETRI_PLACES=339, PETRI_TRANSITIONS=254}
[2024-11-23 22:39:22,878 INFO L279 CegarLoopForPetriNet]: 345 programPoint places, -6 predicate places.
[2024-11-23 22:39:22,878 INFO L471 AbstractCegarLoop]: Abstraction has has 339 places, 254 transitions, 682 flow
[2024-11-23 22:39:22,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 870.0) internal successors, (2610), 3 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:22,879 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:22,879 INFO L206 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:22,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113
[2024-11-23 22:39:22,880 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2024-11-23 22:39:22,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:22,884 INFO L85 PathProgramCache]: Analyzing trace with hash -37109201, now seen corresponding path program 1 times
[2024-11-23 22:39:22,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:22,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191701449]
[2024-11-23 22:39:22,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:22,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:23,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:23,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:23,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191701449]
[2024-11-23 22:39:23,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191701449] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:23,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:23,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:39:23,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979343949]
[2024-11-23 22:39:23,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:23,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:39:23,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:23,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:39:23,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:39:23,248 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 956 out of 1145
[2024-11-23 22:39:23,250 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 254 transitions, 682 flow. Second operand has 5 states, 5 states have (on average 963.8) internal successors, (4819), 5 states have internal predecessors, (4819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:23,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:23,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 956 of 1145
[2024-11-23 22:39:23,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:23,473 INFO L124 PetriNetUnfolderBase]: 0/638 cut-off events.
[2024-11-23 22:39:23,473 INFO L125 PetriNetUnfolderBase]: For 491/491 co-relation queries the response was YES.
[2024-11-23 22:39:23,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 856 conditions, 638 events. 0/638 cut-off events. For 491/491 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 376 event pairs, 0 based on Foata normal form. 1/638 useless extension candidates. Maximal degree in co-relation 0. Up to 95 conditions per place.
[2024-11-23 22:39:23,474 INFO L140 encePairwiseOnDemand]: 1140/1145 looper letters, 37 selfloop transitions, 2 changer transitions 3/256 dead transitions.
[2024-11-23 22:39:23,474 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 256 transitions, 770 flow
[2024-11-23 22:39:23,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:39:23,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:39:23,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4823 transitions.
[2024-11-23 22:39:23,478 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8424454148471616
[2024-11-23 22:39:23,478 INFO L175 Difference]: Start difference. First operand has 339 places, 254 transitions, 682 flow. Second operand 5 states and 4823 transitions.
[2024-11-23 22:39:23,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 256 transitions, 770 flow
[2024-11-23 22:39:23,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 256 transitions, 769 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:23,483 INFO L231 Difference]: Finished difference. Result has 319 places, 253 transitions, 687 flow
[2024-11-23 22:39:23,483 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1145, PETRI_DIFFERENCE_MINUEND_FLOW=681, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=254, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=687, PETRI_PLACES=319, PETRI_TRANSITIONS=253}
[2024-11-23 22:39:23,484 INFO L279 CegarLoopForPetriNet]: 345 programPoint places, -26 predicate places.
[2024-11-23 22:39:23,484 INFO L471 AbstractCegarLoop]: Abstraction has has 319 places, 253 transitions, 687 flow
[2024-11-23 22:39:23,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 963.8) internal successors, (4819), 5 states have internal predecessors, (4819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:23,485 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:23,485 INFO L206 CegarLoopForPetriNet]: trace histogram [30, 30, 30, 30, 30, 30, 30, 29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:23,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114
[2024-11-23 22:39:23,485 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 34 more)] ===
[2024-11-23 22:39:23,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:23,487 INFO L85 PathProgramCache]: Analyzing trace with hash -623432881, now seen corresponding path program 1 times
[2024-11-23 22:39:23,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:23,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520255553]
[2024-11-23 22:39:23,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:23,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:23,559 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:39:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:23,918 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:39:23,918 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:39:23,918 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 37 remaining)
[2024-11-23 22:39:23,918 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining)
[2024-11-23 22:39:23,918 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining)
[2024-11-23 22:39:23,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining)
[2024-11-23 22:39:23,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining)
[2024-11-23 22:39:23,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining)
[2024-11-23 22:39:23,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 37 remaining)
[2024-11-23 22:39:23,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining)
[2024-11-23 22:39:23,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining)
[2024-11-23 22:39:23,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining)
[2024-11-23 22:39:23,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining)
[2024-11-23 22:39:23,919 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining)
[2024-11-23 22:39:23,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining)
[2024-11-23 22:39:23,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining)
[2024-11-23 22:39:23,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining)
[2024-11-23 22:39:23,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining)
[2024-11-23 22:39:23,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining)
[2024-11-23 22:39:23,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining)
[2024-11-23 22:39:23,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining)
[2024-11-23 22:39:23,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining)
[2024-11-23 22:39:23,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining)
[2024-11-23 22:39:23,920 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 37 remaining)
[2024-11-23 22:39:23,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 37 remaining)
[2024-11-23 22:39:23,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining)
[2024-11-23 22:39:23,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining)
[2024-11-23 22:39:23,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining)
[2024-11-23 22:39:23,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining)
[2024-11-23 22:39:23,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining)
[2024-11-23 22:39:23,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining)
[2024-11-23 22:39:23,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining)
[2024-11-23 22:39:23,921 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining)
[2024-11-23 22:39:23,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining)
[2024-11-23 22:39:23,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining)
[2024-11-23 22:39:23,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining)
[2024-11-23 22:39:23,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining)
[2024-11-23 22:39:23,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining)
[2024-11-23 22:39:23,922 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining)
[2024-11-23 22:39:23,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115
[2024-11-23 22:39:23,922 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:39:23,923 WARN L246 ceAbstractionStarter]: 29 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:39:23,923 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 30 thread instances.
[2024-11-23 22:39:24,086 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:39:24,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1181 places, 1182 transitions, 4344 flow
[2024-11-23 22:39:24,772 INFO L124 PetriNetUnfolderBase]: 157/2015 cut-off events.
[2024-11-23 22:39:24,772 INFO L125 PetriNetUnfolderBase]: For 4930/4930 co-relation queries the response was YES.
[2024-11-23 22:39:24,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2633 conditions, 2015 events. 157/2015 cut-off events. For 4930/4930 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 5625 event pairs, 0 based on Foata normal form. 0/1761 useless extension candidates. Maximal degree in co-relation 2572. Up to 62 conditions per place.
[2024-11-23 22:39:24,798 INFO L82 GeneralOperation]: Start removeDead. Operand has 1181 places, 1182 transitions, 4344 flow
[2024-11-23 22:39:24,803 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 354 places, 295 transitions, 1583 flow
[2024-11-23 22:39:24,803 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:39:24,803 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:39:24,803 INFO L334 AbstractCegarLoop]: Starting to check reachability of 38 error locations.
[2024-11-23 22:39:24,804 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:39:24,805 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:39:24,805 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:39:24,805 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:24,805 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:24,805 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 35 more)] ===
[2024-11-23 22:39:24,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:24,805 INFO L85 PathProgramCache]: Analyzing trace with hash -836540762, now seen corresponding path program 1 times
[2024-11-23 22:39:24,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:24,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718437671]
[2024-11-23 22:39:24,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:24,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:24,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:24,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:24,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718437671]
[2024-11-23 22:39:24,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718437671] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:24,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:24,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:24,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137284722]
[2024-11-23 22:39:24,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:24,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:24,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:24,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:24,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:25,014 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 959 out of 1182
[2024-11-23 22:39:25,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 295 transitions, 1583 flow. Second operand has 3 states, 3 states have (on average 960.3333333333334) internal successors, (2881), 3 states have internal predecessors, (2881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:25,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:25,016 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 959 of 1182
[2024-11-23 22:39:25,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:25,489 INFO L124 PetriNetUnfolderBase]: 63/1548 cut-off events.
[2024-11-23 22:39:25,490 INFO L125 PetriNetUnfolderBase]: For 5426/5426 co-relation queries the response was YES.
[2024-11-23 22:39:25,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2362 conditions, 1548 events. 63/1548 cut-off events. For 5426/5426 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 4053 event pairs, 31 based on Foata normal form. 32/1451 useless extension candidates. Maximal degree in co-relation 2239. Up to 223 conditions per place.
[2024-11-23 22:39:25,507 INFO L140 encePairwiseOnDemand]: 1176/1182 looper letters, 40 selfloop transitions, 2 changer transitions 1/291 dead transitions.
[2024-11-23 22:39:25,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 291 transitions, 1659 flow
[2024-11-23 22:39:25,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:25,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:25,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2923 transitions.
[2024-11-23 22:39:25,509 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8243090806542583
[2024-11-23 22:39:25,509 INFO L175 Difference]: Start difference. First operand has 354 places, 295 transitions, 1583 flow. Second operand 3 states and 2923 transitions.
[2024-11-23 22:39:25,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 291 transitions, 1659 flow
[2024-11-23 22:39:25,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 291 transitions, 846 flow, removed 406 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:25,521 INFO L231 Difference]: Finished difference. Result has 354 places, 290 transitions, 764 flow
[2024-11-23 22:39:25,521 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1182, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=764, PETRI_PLACES=354, PETRI_TRANSITIONS=290}
[2024-11-23 22:39:25,521 INFO L279 CegarLoopForPetriNet]: 354 programPoint places, 0 predicate places.
[2024-11-23 22:39:25,521 INFO L471 AbstractCegarLoop]: Abstraction has has 354 places, 290 transitions, 764 flow
[2024-11-23 22:39:25,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 960.3333333333334) internal successors, (2881), 3 states have internal predecessors, (2881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:25,522 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:25,522 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:25,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116
[2024-11-23 22:39:25,522 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 35 more)] ===
[2024-11-23 22:39:25,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:25,522 INFO L85 PathProgramCache]: Analyzing trace with hash -822898418, now seen corresponding path program 1 times
[2024-11-23 22:39:25,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:25,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995682299]
[2024-11-23 22:39:25,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:25,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:25,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:25,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:25,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995682299]
[2024-11-23 22:39:25,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995682299] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:25,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:25,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:25,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616785117]
[2024-11-23 22:39:25,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:25,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:25,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:25,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:25,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:25,686 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 897 out of 1182
[2024-11-23 22:39:25,688 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 290 transitions, 764 flow. Second operand has 3 states, 3 states have (on average 898.0) internal successors, (2694), 3 states have internal predecessors, (2694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:25,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:25,688 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 897 of 1182
[2024-11-23 22:39:25,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:26,129 INFO L124 PetriNetUnfolderBase]: 32/1389 cut-off events.
[2024-11-23 22:39:26,129 INFO L125 PetriNetUnfolderBase]: For 524/524 co-relation queries the response was YES.
[2024-11-23 22:39:26,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1736 conditions, 1389 events. 32/1389 cut-off events. For 524/524 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3002 event pairs, 0 based on Foata normal form. 31/1357 useless extension candidates. Maximal degree in co-relation 1682. Up to 160 conditions per place.
[2024-11-23 22:39:26,143 INFO L140 encePairwiseOnDemand]: 1176/1182 looper letters, 38 selfloop transitions, 1 changer transitions 24/285 dead transitions.
[2024-11-23 22:39:26,143 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 285 transitions, 836 flow
[2024-11-23 22:39:26,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:26,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:26,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2737 transitions.
[2024-11-23 22:39:26,145 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7718556119571348
[2024-11-23 22:39:26,145 INFO L175 Difference]: Start difference. First operand has 354 places, 290 transitions, 764 flow. Second operand 3 states and 2737 transitions.
[2024-11-23 22:39:26,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 285 transitions, 836 flow
[2024-11-23 22:39:26,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 285 transitions, 832 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:39:26,149 INFO L231 Difference]: Finished difference. Result has 348 places, 261 transitions, 702 flow
[2024-11-23 22:39:26,149 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1182, PETRI_DIFFERENCE_MINUEND_FLOW=750, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=702, PETRI_PLACES=348, PETRI_TRANSITIONS=261}
[2024-11-23 22:39:26,149 INFO L279 CegarLoopForPetriNet]: 354 programPoint places, -6 predicate places.
[2024-11-23 22:39:26,149 INFO L471 AbstractCegarLoop]: Abstraction has has 348 places, 261 transitions, 702 flow
[2024-11-23 22:39:26,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 898.0) internal successors, (2694), 3 states have internal predecessors, (2694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:26,150 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:26,150 INFO L206 CegarLoopForPetriNet]: trace histogram [31, 31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:26,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117
[2024-11-23 22:39:26,150 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 35 more)] ===
[2024-11-23 22:39:26,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:26,153 INFO L85 PathProgramCache]: Analyzing trace with hash 362017734, now seen corresponding path program 1 times
[2024-11-23 22:39:26,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:26,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544080554]
[2024-11-23 22:39:26,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:26,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:26,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:26,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:26,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544080554]
[2024-11-23 22:39:26,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544080554] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:26,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:26,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:39:26,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679415379]
[2024-11-23 22:39:26,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:26,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:39:26,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:26,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:39:26,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:39:26,578 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1182
[2024-11-23 22:39:26,580 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 261 transitions, 702 flow. Second operand has 5 states, 5 states have (on average 995.0) internal successors, (4975), 5 states have internal predecessors, (4975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:26,581 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:26,581 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1182
[2024-11-23 22:39:26,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:26,951 INFO L124 PetriNetUnfolderBase]: 0/658 cut-off events.
[2024-11-23 22:39:26,951 INFO L125 PetriNetUnfolderBase]: For 523/523 co-relation queries the response was YES.
[2024-11-23 22:39:26,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 883 conditions, 658 events. 0/658 cut-off events. For 523/523 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 387 event pairs, 0 based on Foata normal form. 1/658 useless extension candidates. Maximal degree in co-relation 0. Up to 98 conditions per place.
[2024-11-23 22:39:26,952 INFO L140 encePairwiseOnDemand]: 1177/1182 looper letters, 38 selfloop transitions, 2 changer transitions 3/263 dead transitions.
[2024-11-23 22:39:26,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 263 transitions, 792 flow
[2024-11-23 22:39:26,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:39:26,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:39:26,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4979 transitions.
[2024-11-23 22:39:26,959 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8424703891708968
[2024-11-23 22:39:26,959 INFO L175 Difference]: Start difference. First operand has 348 places, 261 transitions, 702 flow. Second operand 5 states and 4979 transitions.
[2024-11-23 22:39:26,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 263 transitions, 792 flow
[2024-11-23 22:39:26,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 263 transitions, 791 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:26,964 INFO L231 Difference]: Finished difference. Result has 328 places, 260 transitions, 707 flow
[2024-11-23 22:39:26,965 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1182, PETRI_DIFFERENCE_MINUEND_FLOW=701, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=707, PETRI_PLACES=328, PETRI_TRANSITIONS=260}
[2024-11-23 22:39:26,965 INFO L279 CegarLoopForPetriNet]: 354 programPoint places, -26 predicate places.
[2024-11-23 22:39:26,965 INFO L471 AbstractCegarLoop]: Abstraction has has 328 places, 260 transitions, 707 flow
[2024-11-23 22:39:26,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 995.0) internal successors, (4975), 5 states have internal predecessors, (4975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:26,966 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:26,966 INFO L206 CegarLoopForPetriNet]: trace histogram [31, 31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:26,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118
[2024-11-23 22:39:26,966 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 35 more)] ===
[2024-11-23 22:39:26,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:26,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1720818488, now seen corresponding path program 1 times
[2024-11-23 22:39:26,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:26,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274690370]
[2024-11-23 22:39:26,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:26,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:27,017 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:39:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:27,171 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:39:27,171 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:39:27,172 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 38 remaining)
[2024-11-23 22:39:27,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (36 of 38 remaining)
[2024-11-23 22:39:27,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (35 of 38 remaining)
[2024-11-23 22:39:27,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (34 of 38 remaining)
[2024-11-23 22:39:27,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (33 of 38 remaining)
[2024-11-23 22:39:27,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (32 of 38 remaining)
[2024-11-23 22:39:27,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 38 remaining)
[2024-11-23 22:39:27,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 38 remaining)
[2024-11-23 22:39:27,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 38 remaining)
[2024-11-23 22:39:27,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 38 remaining)
[2024-11-23 22:39:27,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 38 remaining)
[2024-11-23 22:39:27,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 38 remaining)
[2024-11-23 22:39:27,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 38 remaining)
[2024-11-23 22:39:27,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 38 remaining)
[2024-11-23 22:39:27,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 38 remaining)
[2024-11-23 22:39:27,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 38 remaining)
[2024-11-23 22:39:27,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 38 remaining)
[2024-11-23 22:39:27,172 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 38 remaining)
[2024-11-23 22:39:27,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 38 remaining)
[2024-11-23 22:39:27,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 38 remaining)
[2024-11-23 22:39:27,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 38 remaining)
[2024-11-23 22:39:27,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 38 remaining)
[2024-11-23 22:39:27,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 38 remaining)
[2024-11-23 22:39:27,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 38 remaining)
[2024-11-23 22:39:27,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 38 remaining)
[2024-11-23 22:39:27,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 38 remaining)
[2024-11-23 22:39:27,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 38 remaining)
[2024-11-23 22:39:27,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 38 remaining)
[2024-11-23 22:39:27,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 38 remaining)
[2024-11-23 22:39:27,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 38 remaining)
[2024-11-23 22:39:27,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 38 remaining)
[2024-11-23 22:39:27,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 38 remaining)
[2024-11-23 22:39:27,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 38 remaining)
[2024-11-23 22:39:27,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 38 remaining)
[2024-11-23 22:39:27,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 38 remaining)
[2024-11-23 22:39:27,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 38 remaining)
[2024-11-23 22:39:27,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 38 remaining)
[2024-11-23 22:39:27,173 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 38 remaining)
[2024-11-23 22:39:27,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119
[2024-11-23 22:39:27,174 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:39:27,174 WARN L246 ceAbstractionStarter]: 30 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:39:27,174 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 31 thread instances.
[2024-11-23 22:39:27,345 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:39:27,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1218 places, 1219 transitions, 4546 flow
[2024-11-23 22:39:27,950 INFO L124 PetriNetUnfolderBase]: 162/2079 cut-off events.
[2024-11-23 22:39:27,950 INFO L125 PetriNetUnfolderBase]: For 5425/5425 co-relation queries the response was YES.
[2024-11-23 22:39:27,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2733 conditions, 2079 events. 162/2079 cut-off events. For 5425/5425 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 5863 event pairs, 0 based on Foata normal form. 0/1817 useless extension candidates. Maximal degree in co-relation 2670. Up to 64 conditions per place.
[2024-11-23 22:39:27,982 INFO L82 GeneralOperation]: Start removeDead. Operand has 1218 places, 1219 transitions, 4546 flow
[2024-11-23 22:39:27,987 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 363 places, 302 transitions, 1661 flow
[2024-11-23 22:39:27,987 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:39:27,988 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:39:27,988 INFO L334 AbstractCegarLoop]: Starting to check reachability of 39 error locations.
[2024-11-23 22:39:27,989 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:39:27,989 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:39:27,989 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:39:27,990 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:27,990 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:27,990 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] ===
[2024-11-23 22:39:27,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:27,990 INFO L85 PathProgramCache]: Analyzing trace with hash -822638170, now seen corresponding path program 1 times
[2024-11-23 22:39:27,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:27,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574767579]
[2024-11-23 22:39:27,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:27,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:28,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:28,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:28,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574767579]
[2024-11-23 22:39:28,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574767579] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:28,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:28,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:28,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068880284]
[2024-11-23 22:39:28,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:28,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:28,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:28,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:28,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:28,198 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 989 out of 1219
[2024-11-23 22:39:28,200 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 302 transitions, 1661 flow. Second operand has 3 states, 3 states have (on average 990.3333333333334) internal successors, (2971), 3 states have internal predecessors, (2971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:28,200 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:28,200 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 989 of 1219
[2024-11-23 22:39:28,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:28,757 INFO L124 PetriNetUnfolderBase]: 65/1597 cut-off events.
[2024-11-23 22:39:28,757 INFO L125 PetriNetUnfolderBase]: For 5953/5953 co-relation queries the response was YES.
[2024-11-23 22:39:28,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2453 conditions, 1597 events. 65/1597 cut-off events. For 5953/5953 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 4389 event pairs, 32 based on Foata normal form. 33/1497 useless extension candidates. Maximal degree in co-relation 2328. Up to 230 conditions per place.
[2024-11-23 22:39:28,781 INFO L140 encePairwiseOnDemand]: 1213/1219 looper letters, 41 selfloop transitions, 2 changer transitions 1/298 dead transitions.
[2024-11-23 22:39:28,781 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 298 transitions, 1739 flow
[2024-11-23 22:39:28,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:28,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:28,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3014 transitions.
[2024-11-23 22:39:28,784 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.824172819250752
[2024-11-23 22:39:28,784 INFO L175 Difference]: Start difference. First operand has 363 places, 302 transitions, 1661 flow. Second operand 3 states and 3014 transitions.
[2024-11-23 22:39:28,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 298 transitions, 1739 flow
[2024-11-23 22:39:28,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 298 transitions, 868 flow, removed 435 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:28,799 INFO L231 Difference]: Finished difference. Result has 363 places, 297 transitions, 784 flow
[2024-11-23 22:39:28,799 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1219, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=784, PETRI_PLACES=363, PETRI_TRANSITIONS=297}
[2024-11-23 22:39:28,799 INFO L279 CegarLoopForPetriNet]: 363 programPoint places, 0 predicate places.
[2024-11-23 22:39:28,799 INFO L471 AbstractCegarLoop]: Abstraction has has 363 places, 297 transitions, 784 flow
[2024-11-23 22:39:28,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 990.3333333333334) internal successors, (2971), 3 states have internal predecessors, (2971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:28,800 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:28,800 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:28,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120
[2024-11-23 22:39:28,800 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] ===
[2024-11-23 22:39:28,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:28,801 INFO L85 PathProgramCache]: Analyzing trace with hash 893045966, now seen corresponding path program 1 times
[2024-11-23 22:39:28,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:28,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765949460]
[2024-11-23 22:39:28,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:28,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:28,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:28,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:28,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765949460]
[2024-11-23 22:39:28,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765949460] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:28,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:28,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:28,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293501731]
[2024-11-23 22:39:28,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:28,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:28,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:28,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:28,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:28,965 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 925 out of 1219
[2024-11-23 22:39:28,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 297 transitions, 784 flow. Second operand has 3 states, 3 states have (on average 926.0) internal successors, (2778), 3 states have internal predecessors, (2778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:28,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:28,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 925 of 1219
[2024-11-23 22:39:28,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:29,482 INFO L124 PetriNetUnfolderBase]: 33/1433 cut-off events.
[2024-11-23 22:39:29,482 INFO L125 PetriNetUnfolderBase]: For 557/557 co-relation queries the response was YES.
[2024-11-23 22:39:29,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1791 conditions, 1433 events. 33/1433 cut-off events. For 557/557 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 3298 event pairs, 0 based on Foata normal form. 32/1400 useless extension candidates. Maximal degree in co-relation 1736. Up to 165 conditions per place.
[2024-11-23 22:39:29,500 INFO L140 encePairwiseOnDemand]: 1213/1219 looper letters, 39 selfloop transitions, 1 changer transitions 24/292 dead transitions.
[2024-11-23 22:39:29,500 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 292 transitions, 858 flow
[2024-11-23 22:39:29,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:29,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:29,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2822 transitions.
[2024-11-23 22:39:29,503 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7716707683893902
[2024-11-23 22:39:29,503 INFO L175 Difference]: Start difference. First operand has 363 places, 297 transitions, 784 flow. Second operand 3 states and 2822 transitions.
[2024-11-23 22:39:29,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 292 transitions, 858 flow
[2024-11-23 22:39:29,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 292 transitions, 854 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:39:29,508 INFO L231 Difference]: Finished difference. Result has 357 places, 268 transitions, 722 flow
[2024-11-23 22:39:29,508 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1219, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=722, PETRI_PLACES=357, PETRI_TRANSITIONS=268}
[2024-11-23 22:39:29,508 INFO L279 CegarLoopForPetriNet]: 363 programPoint places, -6 predicate places.
[2024-11-23 22:39:29,508 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 268 transitions, 722 flow
[2024-11-23 22:39:29,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 926.0) internal successors, (2778), 3 states have internal predecessors, (2778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:29,509 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:29,509 INFO L206 CegarLoopForPetriNet]: trace histogram [32, 32, 32, 32, 32, 32, 32, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:29,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121
[2024-11-23 22:39:29,509 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] ===
[2024-11-23 22:39:29,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:29,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1038942549, now seen corresponding path program 1 times
[2024-11-23 22:39:29,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:29,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6446376]
[2024-11-23 22:39:29,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:29,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:29,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:29,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:29,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6446376]
[2024-11-23 22:39:29,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6446376] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:29,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:29,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:39:29,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978457351]
[2024-11-23 22:39:29,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:29,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:39:29,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:29,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:39:29,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:39:30,144 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1018 out of 1219
[2024-11-23 22:39:30,147 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 268 transitions, 722 flow. Second operand has 5 states, 5 states have (on average 1026.2) internal successors, (5131), 5 states have internal predecessors, (5131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:30,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:30,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1018 of 1219
[2024-11-23 22:39:30,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:30,457 INFO L124 PetriNetUnfolderBase]: 0/678 cut-off events.
[2024-11-23 22:39:30,457 INFO L125 PetriNetUnfolderBase]: For 556/556 co-relation queries the response was YES.
[2024-11-23 22:39:30,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 910 conditions, 678 events. 0/678 cut-off events. For 556/556 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 400 event pairs, 0 based on Foata normal form. 1/678 useless extension candidates. Maximal degree in co-relation 0. Up to 101 conditions per place.
[2024-11-23 22:39:30,458 INFO L140 encePairwiseOnDemand]: 1214/1219 looper letters, 39 selfloop transitions, 2 changer transitions 3/270 dead transitions.
[2024-11-23 22:39:30,458 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 270 transitions, 814 flow
[2024-11-23 22:39:30,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:39:30,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:39:30,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5135 transitions.
[2024-11-23 22:39:30,462 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8424938474159147
[2024-11-23 22:39:30,462 INFO L175 Difference]: Start difference. First operand has 357 places, 268 transitions, 722 flow. Second operand 5 states and 5135 transitions.
[2024-11-23 22:39:30,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 270 transitions, 814 flow
[2024-11-23 22:39:30,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 270 transitions, 813 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:30,466 INFO L231 Difference]: Finished difference. Result has 337 places, 267 transitions, 727 flow
[2024-11-23 22:39:30,467 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1219, PETRI_DIFFERENCE_MINUEND_FLOW=721, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=268, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=727, PETRI_PLACES=337, PETRI_TRANSITIONS=267}
[2024-11-23 22:39:30,467 INFO L279 CegarLoopForPetriNet]: 363 programPoint places, -26 predicate places.
[2024-11-23 22:39:30,467 INFO L471 AbstractCegarLoop]: Abstraction has has 337 places, 267 transitions, 727 flow
[2024-11-23 22:39:30,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1026.2) internal successors, (5131), 5 states have internal predecessors, (5131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:30,468 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:30,468 INFO L206 CegarLoopForPetriNet]: trace histogram [32, 32, 32, 32, 32, 32, 32, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:30,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122
[2024-11-23 22:39:30,468 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 36 more)] ===
[2024-11-23 22:39:30,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:30,471 INFO L85 PathProgramCache]: Analyzing trace with hash 2064387562, now seen corresponding path program 1 times
[2024-11-23 22:39:30,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:30,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399535349]
[2024-11-23 22:39:30,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:30,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:30,567 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:39:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:30,781 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:39:30,782 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:39:30,782 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 39 remaining)
[2024-11-23 22:39:30,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 39 remaining)
[2024-11-23 22:39:30,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 39 remaining)
[2024-11-23 22:39:30,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 39 remaining)
[2024-11-23 22:39:30,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 39 remaining)
[2024-11-23 22:39:30,782 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (33 of 39 remaining)
[2024-11-23 22:39:30,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 39 remaining)
[2024-11-23 22:39:30,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (31 of 39 remaining)
[2024-11-23 22:39:30,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 39 remaining)
[2024-11-23 22:39:30,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 39 remaining)
[2024-11-23 22:39:30,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 39 remaining)
[2024-11-23 22:39:30,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 39 remaining)
[2024-11-23 22:39:30,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 39 remaining)
[2024-11-23 22:39:30,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 39 remaining)
[2024-11-23 22:39:30,783 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 39 remaining)
[2024-11-23 22:39:30,784 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 39 remaining)
[2024-11-23 22:39:30,784 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 39 remaining)
[2024-11-23 22:39:30,784 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 39 remaining)
[2024-11-23 22:39:30,784 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 39 remaining)
[2024-11-23 22:39:30,784 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 39 remaining)
[2024-11-23 22:39:30,784 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 39 remaining)
[2024-11-23 22:39:30,784 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 39 remaining)
[2024-11-23 22:39:30,784 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 39 remaining)
[2024-11-23 22:39:30,785 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 39 remaining)
[2024-11-23 22:39:30,785 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 39 remaining)
[2024-11-23 22:39:30,785 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 39 remaining)
[2024-11-23 22:39:30,785 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 39 remaining)
[2024-11-23 22:39:30,785 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 39 remaining)
[2024-11-23 22:39:30,785 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 39 remaining)
[2024-11-23 22:39:30,785 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 39 remaining)
[2024-11-23 22:39:30,785 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 39 remaining)
[2024-11-23 22:39:30,785 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 39 remaining)
[2024-11-23 22:39:30,786 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 39 remaining)
[2024-11-23 22:39:30,786 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 39 remaining)
[2024-11-23 22:39:30,786 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 39 remaining)
[2024-11-23 22:39:30,786 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 39 remaining)
[2024-11-23 22:39:30,786 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 39 remaining)
[2024-11-23 22:39:30,786 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 39 remaining)
[2024-11-23 22:39:30,786 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 39 remaining)
[2024-11-23 22:39:30,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123
[2024-11-23 22:39:30,786 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:39:30,787 WARN L246 ceAbstractionStarter]: 31 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:39:30,787 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 32 thread instances.
[2024-11-23 22:39:30,985 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:39:30,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1255 places, 1256 transitions, 4752 flow
[2024-11-23 22:39:31,763 INFO L124 PetriNetUnfolderBase]: 167/2143 cut-off events.
[2024-11-23 22:39:31,763 INFO L125 PetriNetUnfolderBase]: For 5952/5952 co-relation queries the response was YES.
[2024-11-23 22:39:31,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2834 conditions, 2143 events. 167/2143 cut-off events. For 5952/5952 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 6103 event pairs, 0 based on Foata normal form. 0/1873 useless extension candidates. Maximal degree in co-relation 2769. Up to 66 conditions per place.
[2024-11-23 22:39:31,797 INFO L82 GeneralOperation]: Start removeDead. Operand has 1255 places, 1256 transitions, 4752 flow
[2024-11-23 22:39:31,803 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 372 places, 309 transitions, 1741 flow
[2024-11-23 22:39:31,803 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:39:31,804 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:39:31,804 INFO L334 AbstractCegarLoop]: Starting to check reachability of 40 error locations.
[2024-11-23 22:39:31,806 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:39:31,806 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:39:31,806 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:39:31,806 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:31,806 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:31,807 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 37 more)] ===
[2024-11-23 22:39:31,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:31,807 INFO L85 PathProgramCache]: Analyzing trace with hash -857640538, now seen corresponding path program 1 times
[2024-11-23 22:39:31,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:31,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806697510]
[2024-11-23 22:39:31,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:31,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:31,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:31,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:31,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806697510]
[2024-11-23 22:39:31,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806697510] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:31,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:31,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:31,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680404245]
[2024-11-23 22:39:31,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:31,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:31,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:31,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:31,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:32,026 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1019 out of 1256
[2024-11-23 22:39:32,028 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 309 transitions, 1741 flow. Second operand has 3 states, 3 states have (on average 1020.3333333333334) internal successors, (3061), 3 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:32,028 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:32,028 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1019 of 1256
[2024-11-23 22:39:32,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:32,647 INFO L124 PetriNetUnfolderBase]: 67/1646 cut-off events.
[2024-11-23 22:39:32,647 INFO L125 PetriNetUnfolderBase]: For 6513/6513 co-relation queries the response was YES.
[2024-11-23 22:39:32,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2545 conditions, 1646 events. 67/1646 cut-off events. For 6513/6513 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 4303 event pairs, 33 based on Foata normal form. 34/1543 useless extension candidates. Maximal degree in co-relation 2418. Up to 237 conditions per place.
[2024-11-23 22:39:32,673 INFO L140 encePairwiseOnDemand]: 1250/1256 looper letters, 42 selfloop transitions, 2 changer transitions 1/305 dead transitions.
[2024-11-23 22:39:32,673 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 373 places, 305 transitions, 1821 flow
[2024-11-23 22:39:32,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:32,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:32,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3105 transitions.
[2024-11-23 22:39:32,676 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8240445859872612
[2024-11-23 22:39:32,676 INFO L175 Difference]: Start difference. First operand has 372 places, 309 transitions, 1741 flow. Second operand 3 states and 3105 transitions.
[2024-11-23 22:39:32,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 373 places, 305 transitions, 1821 flow
[2024-11-23 22:39:32,688 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 305 transitions, 890 flow, removed 465 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:32,690 INFO L231 Difference]: Finished difference. Result has 372 places, 304 transitions, 804 flow
[2024-11-23 22:39:32,690 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1256, PETRI_DIFFERENCE_MINUEND_FLOW=802, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=804, PETRI_PLACES=372, PETRI_TRANSITIONS=304}
[2024-11-23 22:39:32,690 INFO L279 CegarLoopForPetriNet]: 372 programPoint places, 0 predicate places.
[2024-11-23 22:39:32,691 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 304 transitions, 804 flow
[2024-11-23 22:39:32,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1020.3333333333334) internal successors, (3061), 3 states have internal predecessors, (3061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:32,691 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:32,691 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:32,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124
[2024-11-23 22:39:32,691 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 37 more)] ===
[2024-11-23 22:39:32,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:32,692 INFO L85 PathProgramCache]: Analyzing trace with hash -566317362, now seen corresponding path program 1 times
[2024-11-23 22:39:32,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:32,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750841643]
[2024-11-23 22:39:32,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:32,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:32,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:32,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:32,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750841643]
[2024-11-23 22:39:32,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750841643] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:32,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:32,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:32,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628664023]
[2024-11-23 22:39:32,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:32,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:32,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:32,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:32,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:32,856 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 953 out of 1256
[2024-11-23 22:39:32,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 304 transitions, 804 flow. Second operand has 3 states, 3 states have (on average 954.0) internal successors, (2862), 3 states have internal predecessors, (2862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:32,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:32,859 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 953 of 1256
[2024-11-23 22:39:32,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:33,598 INFO L124 PetriNetUnfolderBase]: 34/1477 cut-off events.
[2024-11-23 22:39:33,598 INFO L125 PetriNetUnfolderBase]: For 591/591 co-relation queries the response was YES.
[2024-11-23 22:39:33,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1846 conditions, 1477 events. 34/1477 cut-off events. For 591/591 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3234 event pairs, 0 based on Foata normal form. 33/1443 useless extension candidates. Maximal degree in co-relation 1790. Up to 170 conditions per place.
[2024-11-23 22:39:33,613 INFO L140 encePairwiseOnDemand]: 1250/1256 looper letters, 40 selfloop transitions, 1 changer transitions 24/299 dead transitions.
[2024-11-23 22:39:33,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 299 transitions, 880 flow
[2024-11-23 22:39:33,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:33,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:33,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2907 transitions.
[2024-11-23 22:39:33,616 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7714968152866242
[2024-11-23 22:39:33,617 INFO L175 Difference]: Start difference. First operand has 372 places, 304 transitions, 804 flow. Second operand 3 states and 2907 transitions.
[2024-11-23 22:39:33,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 299 transitions, 880 flow
[2024-11-23 22:39:33,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 366 places, 299 transitions, 876 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:39:33,622 INFO L231 Difference]: Finished difference. Result has 366 places, 275 transitions, 742 flow
[2024-11-23 22:39:33,622 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1256, PETRI_DIFFERENCE_MINUEND_FLOW=790, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=742, PETRI_PLACES=366, PETRI_TRANSITIONS=275}
[2024-11-23 22:39:33,623 INFO L279 CegarLoopForPetriNet]: 372 programPoint places, -6 predicate places.
[2024-11-23 22:39:33,623 INFO L471 AbstractCegarLoop]: Abstraction has has 366 places, 275 transitions, 742 flow
[2024-11-23 22:39:33,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 954.0) internal successors, (2862), 3 states have internal predecessors, (2862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:33,623 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:33,623 INFO L206 CegarLoopForPetriNet]: trace histogram [33, 33, 33, 33, 33, 33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:33,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125
[2024-11-23 22:39:33,624 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 37 more)] ===
[2024-11-23 22:39:33,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:33,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1396331262, now seen corresponding path program 1 times
[2024-11-23 22:39:33,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:33,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311589065]
[2024-11-23 22:39:33,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:33,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:33,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:33,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:33,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311589065]
[2024-11-23 22:39:33,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311589065] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:33,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:33,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:39:33,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548434165]
[2024-11-23 22:39:33,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:33,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:39:33,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:33,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:39:33,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:39:34,174 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1049 out of 1256
[2024-11-23 22:39:34,179 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 275 transitions, 742 flow. Second operand has 5 states, 5 states have (on average 1057.4) internal successors, (5287), 5 states have internal predecessors, (5287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:34,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:34,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1049 of 1256
[2024-11-23 22:39:34,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:34,598 INFO L124 PetriNetUnfolderBase]: 0/698 cut-off events.
[2024-11-23 22:39:34,598 INFO L125 PetriNetUnfolderBase]: For 590/590 co-relation queries the response was YES.
[2024-11-23 22:39:34,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 937 conditions, 698 events. 0/698 cut-off events. For 590/590 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 412 event pairs, 0 based on Foata normal form. 1/698 useless extension candidates. Maximal degree in co-relation 0. Up to 104 conditions per place.
[2024-11-23 22:39:34,599 INFO L140 encePairwiseOnDemand]: 1251/1256 looper letters, 40 selfloop transitions, 2 changer transitions 3/277 dead transitions.
[2024-11-23 22:39:34,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 277 transitions, 836 flow
[2024-11-23 22:39:34,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:39:34,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:39:34,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5291 transitions.
[2024-11-23 22:39:34,606 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.842515923566879
[2024-11-23 22:39:34,606 INFO L175 Difference]: Start difference. First operand has 366 places, 275 transitions, 742 flow. Second operand 5 states and 5291 transitions.
[2024-11-23 22:39:34,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 277 transitions, 836 flow
[2024-11-23 22:39:34,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 277 transitions, 835 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:34,614 INFO L231 Difference]: Finished difference. Result has 346 places, 274 transitions, 747 flow
[2024-11-23 22:39:34,614 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1256, PETRI_DIFFERENCE_MINUEND_FLOW=741, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=747, PETRI_PLACES=346, PETRI_TRANSITIONS=274}
[2024-11-23 22:39:34,615 INFO L279 CegarLoopForPetriNet]: 372 programPoint places, -26 predicate places.
[2024-11-23 22:39:34,615 INFO L471 AbstractCegarLoop]: Abstraction has has 346 places, 274 transitions, 747 flow
[2024-11-23 22:39:34,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1057.4) internal successors, (5287), 5 states have internal predecessors, (5287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:34,616 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:34,616 INFO L206 CegarLoopForPetriNet]: trace histogram [33, 33, 33, 33, 33, 33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:34,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126
[2024-11-23 22:39:34,616 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 37 more)] ===
[2024-11-23 22:39:34,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:34,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1661729515, now seen corresponding path program 1 times
[2024-11-23 22:39:34,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:34,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203007811]
[2024-11-23 22:39:34,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:34,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:34,731 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:39:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:35,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:39:35,009 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:39:35,009 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 40 remaining)
[2024-11-23 22:39:35,009 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining)
[2024-11-23 22:39:35,009 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining)
[2024-11-23 22:39:35,009 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining)
[2024-11-23 22:39:35,009 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining)
[2024-11-23 22:39:35,009 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining)
[2024-11-23 22:39:35,009 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 40 remaining)
[2024-11-23 22:39:35,009 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining)
[2024-11-23 22:39:35,009 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining)
[2024-11-23 22:39:35,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining)
[2024-11-23 22:39:35,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining)
[2024-11-23 22:39:35,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining)
[2024-11-23 22:39:35,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining)
[2024-11-23 22:39:35,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining)
[2024-11-23 22:39:35,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining)
[2024-11-23 22:39:35,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining)
[2024-11-23 22:39:35,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining)
[2024-11-23 22:39:35,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining)
[2024-11-23 22:39:35,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining)
[2024-11-23 22:39:35,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining)
[2024-11-23 22:39:35,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining)
[2024-11-23 22:39:35,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining)
[2024-11-23 22:39:35,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining)
[2024-11-23 22:39:35,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 40 remaining)
[2024-11-23 22:39:35,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 40 remaining)
[2024-11-23 22:39:35,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 40 remaining)
[2024-11-23 22:39:35,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining)
[2024-11-23 22:39:35,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining)
[2024-11-23 22:39:35,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining)
[2024-11-23 22:39:35,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining)
[2024-11-23 22:39:35,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining)
[2024-11-23 22:39:35,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining)
[2024-11-23 22:39:35,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining)
[2024-11-23 22:39:35,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining)
[2024-11-23 22:39:35,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining)
[2024-11-23 22:39:35,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining)
[2024-11-23 22:39:35,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining)
[2024-11-23 22:39:35,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining)
[2024-11-23 22:39:35,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining)
[2024-11-23 22:39:35,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining)
[2024-11-23 22:39:35,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127
[2024-11-23 22:39:35,012 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:39:35,012 WARN L246 ceAbstractionStarter]: 32 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:39:35,012 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 33 thread instances.
[2024-11-23 22:39:35,179 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:39:35,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1292 places, 1293 transitions, 4962 flow
[2024-11-23 22:39:35,836 INFO L124 PetriNetUnfolderBase]: 172/2207 cut-off events.
[2024-11-23 22:39:35,836 INFO L125 PetriNetUnfolderBase]: For 6512/6512 co-relation queries the response was YES.
[2024-11-23 22:39:35,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2936 conditions, 2207 events. 172/2207 cut-off events. For 6512/6512 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 6246 event pairs, 0 based on Foata normal form. 0/1929 useless extension candidates. Maximal degree in co-relation 2869. Up to 68 conditions per place.
[2024-11-23 22:39:35,873 INFO L82 GeneralOperation]: Start removeDead. Operand has 1292 places, 1293 transitions, 4962 flow
[2024-11-23 22:39:35,878 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 381 places, 316 transitions, 1823 flow
[2024-11-23 22:39:35,879 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:39:35,879 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:39:35,879 INFO L334 AbstractCegarLoop]: Starting to check reachability of 41 error locations.
[2024-11-23 22:39:35,880 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:39:35,880 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:39:35,881 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:39:35,881 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:35,881 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:35,881 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 38 more)] ===
[2024-11-23 22:39:35,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:35,881 INFO L85 PathProgramCache]: Analyzing trace with hash -941547866, now seen corresponding path program 1 times
[2024-11-23 22:39:35,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:35,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808659922]
[2024-11-23 22:39:35,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:35,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:35,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:35,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:35,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808659922]
[2024-11-23 22:39:35,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808659922] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:35,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:35,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:35,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087489920]
[2024-11-23 22:39:35,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:35,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:35,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:35,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:35,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:36,115 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1049 out of 1293
[2024-11-23 22:39:36,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 316 transitions, 1823 flow. Second operand has 3 states, 3 states have (on average 1050.3333333333333) internal successors, (3151), 3 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:36,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:36,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1049 of 1293
[2024-11-23 22:39:36,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:36,768 INFO L124 PetriNetUnfolderBase]: 69/1695 cut-off events.
[2024-11-23 22:39:36,768 INFO L125 PetriNetUnfolderBase]: For 7107/7107 co-relation queries the response was YES.
[2024-11-23 22:39:36,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2638 conditions, 1695 events. 69/1695 cut-off events. For 7107/7107 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 4605 event pairs, 34 based on Foata normal form. 69/1623 useless extension candidates. Maximal degree in co-relation 2509. Up to 244 conditions per place.
[2024-11-23 22:39:36,794 INFO L140 encePairwiseOnDemand]: 1287/1293 looper letters, 43 selfloop transitions, 2 changer transitions 1/312 dead transitions.
[2024-11-23 22:39:36,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 312 transitions, 1905 flow
[2024-11-23 22:39:36,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:36,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:36,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3196 transitions.
[2024-11-23 22:39:36,796 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8239236916731116
[2024-11-23 22:39:36,796 INFO L175 Difference]: Start difference. First operand has 381 places, 316 transitions, 1823 flow. Second operand 3 states and 3196 transitions.
[2024-11-23 22:39:36,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 312 transitions, 1905 flow
[2024-11-23 22:39:36,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 312 transitions, 912 flow, removed 496 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:36,812 INFO L231 Difference]: Finished difference. Result has 381 places, 311 transitions, 824 flow
[2024-11-23 22:39:36,812 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1293, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=824, PETRI_PLACES=381, PETRI_TRANSITIONS=311}
[2024-11-23 22:39:36,813 INFO L279 CegarLoopForPetriNet]: 381 programPoint places, 0 predicate places.
[2024-11-23 22:39:36,813 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 311 transitions, 824 flow
[2024-11-23 22:39:36,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1050.3333333333333) internal successors, (3151), 3 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:36,813 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:36,814 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:36,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128
[2024-11-23 22:39:36,814 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 38 more)] ===
[2024-11-23 22:39:36,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:36,814 INFO L85 PathProgramCache]: Analyzing trace with hash -906021106, now seen corresponding path program 1 times
[2024-11-23 22:39:36,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:36,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355266033]
[2024-11-23 22:39:36,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:36,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:36,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:36,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:36,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355266033]
[2024-11-23 22:39:36,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355266033] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:36,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:36,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:36,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117545247]
[2024-11-23 22:39:36,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:36,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:36,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:36,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:36,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:36,973 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 981 out of 1293
[2024-11-23 22:39:36,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 311 transitions, 824 flow. Second operand has 3 states, 3 states have (on average 982.0) internal successors, (2946), 3 states have internal predecessors, (2946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:36,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:36,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 981 of 1293
[2024-11-23 22:39:36,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:37,655 INFO L124 PetriNetUnfolderBase]: 35/1521 cut-off events.
[2024-11-23 22:39:37,655 INFO L125 PetriNetUnfolderBase]: For 626/626 co-relation queries the response was YES.
[2024-11-23 22:39:37,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1901 conditions, 1521 events. 35/1521 cut-off events. For 626/626 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3401 event pairs, 0 based on Foata normal form. 34/1486 useless extension candidates. Maximal degree in co-relation 1844. Up to 175 conditions per place.
[2024-11-23 22:39:37,670 INFO L140 encePairwiseOnDemand]: 1287/1293 looper letters, 41 selfloop transitions, 1 changer transitions 24/306 dead transitions.
[2024-11-23 22:39:37,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 306 transitions, 902 flow
[2024-11-23 22:39:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:37,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:37,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2992 transitions.
[2024-11-23 22:39:37,673 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7713328177365301
[2024-11-23 22:39:37,673 INFO L175 Difference]: Start difference. First operand has 381 places, 311 transitions, 824 flow. Second operand 3 states and 2992 transitions.
[2024-11-23 22:39:37,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 306 transitions, 902 flow
[2024-11-23 22:39:37,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 306 transitions, 898 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:39:37,677 INFO L231 Difference]: Finished difference. Result has 375 places, 282 transitions, 762 flow
[2024-11-23 22:39:37,678 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1293, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=762, PETRI_PLACES=375, PETRI_TRANSITIONS=282}
[2024-11-23 22:39:37,678 INFO L279 CegarLoopForPetriNet]: 381 programPoint places, -6 predicate places.
[2024-11-23 22:39:37,678 INFO L471 AbstractCegarLoop]: Abstraction has has 375 places, 282 transitions, 762 flow
[2024-11-23 22:39:37,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 982.0) internal successors, (2946), 3 states have internal predecessors, (2946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:37,678 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:37,679 INFO L206 CegarLoopForPetriNet]: trace histogram [34, 34, 34, 34, 34, 34, 34, 33, 33, 33, 33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:37,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129
[2024-11-23 22:39:37,679 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 38 more)] ===
[2024-11-23 22:39:37,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:37,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1037721823, now seen corresponding path program 1 times
[2024-11-23 22:39:37,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:37,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447708161]
[2024-11-23 22:39:37,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:37,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:37,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:37,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:37,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447708161]
[2024-11-23 22:39:37,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447708161] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:37,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:37,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:39:37,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13099709]
[2024-11-23 22:39:37,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:37,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:39:37,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:37,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:39:37,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:39:38,102 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1080 out of 1293
[2024-11-23 22:39:38,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 282 transitions, 762 flow. Second operand has 5 states, 5 states have (on average 1088.6) internal successors, (5443), 5 states have internal predecessors, (5443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:38,105 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:38,105 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1080 of 1293
[2024-11-23 22:39:38,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:38,450 INFO L124 PetriNetUnfolderBase]: 0/718 cut-off events.
[2024-11-23 22:39:38,450 INFO L125 PetriNetUnfolderBase]: For 625/625 co-relation queries the response was YES.
[2024-11-23 22:39:38,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 964 conditions, 718 events. 0/718 cut-off events. For 625/625 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 423 event pairs, 0 based on Foata normal form. 1/718 useless extension candidates. Maximal degree in co-relation 0. Up to 107 conditions per place.
[2024-11-23 22:39:38,451 INFO L140 encePairwiseOnDemand]: 1288/1293 looper letters, 41 selfloop transitions, 2 changer transitions 3/284 dead transitions.
[2024-11-23 22:39:38,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 284 transitions, 858 flow
[2024-11-23 22:39:38,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:39:38,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:39:38,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5447 transitions.
[2024-11-23 22:39:38,455 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8425367362722351
[2024-11-23 22:39:38,455 INFO L175 Difference]: Start difference. First operand has 375 places, 282 transitions, 762 flow. Second operand 5 states and 5447 transitions.
[2024-11-23 22:39:38,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 284 transitions, 858 flow
[2024-11-23 22:39:38,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 284 transitions, 857 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:38,459 INFO L231 Difference]: Finished difference. Result has 355 places, 281 transitions, 767 flow
[2024-11-23 22:39:38,460 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1293, PETRI_DIFFERENCE_MINUEND_FLOW=761, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=767, PETRI_PLACES=355, PETRI_TRANSITIONS=281}
[2024-11-23 22:39:38,460 INFO L279 CegarLoopForPetriNet]: 381 programPoint places, -26 predicate places.
[2024-11-23 22:39:38,460 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 281 transitions, 767 flow
[2024-11-23 22:39:38,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1088.6) internal successors, (5443), 5 states have internal predecessors, (5443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:38,462 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:38,462 INFO L206 CegarLoopForPetriNet]: trace histogram [34, 34, 34, 34, 34, 34, 34, 33, 33, 33, 33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:38,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130
[2024-11-23 22:39:38,462 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 38 more)] ===
[2024-11-23 22:39:38,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:38,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1673218217, now seen corresponding path program 1 times
[2024-11-23 22:39:38,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:38,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268382551]
[2024-11-23 22:39:38,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:38,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:38,534 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:39:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:38,735 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:39:38,735 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:39:38,735 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 41 remaining)
[2024-11-23 22:39:38,735 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (39 of 41 remaining)
[2024-11-23 22:39:38,735 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 41 remaining)
[2024-11-23 22:39:38,735 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (37 of 41 remaining)
[2024-11-23 22:39:38,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (36 of 41 remaining)
[2024-11-23 22:39:38,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (35 of 41 remaining)
[2024-11-23 22:39:38,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 41 remaining)
[2024-11-23 22:39:38,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (33 of 41 remaining)
[2024-11-23 22:39:38,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (32 of 41 remaining)
[2024-11-23 22:39:38,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (31 of 41 remaining)
[2024-11-23 22:39:38,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 41 remaining)
[2024-11-23 22:39:38,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 41 remaining)
[2024-11-23 22:39:38,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 41 remaining)
[2024-11-23 22:39:38,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 41 remaining)
[2024-11-23 22:39:38,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 41 remaining)
[2024-11-23 22:39:38,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 41 remaining)
[2024-11-23 22:39:38,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 41 remaining)
[2024-11-23 22:39:38,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 41 remaining)
[2024-11-23 22:39:38,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 41 remaining)
[2024-11-23 22:39:38,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 41 remaining)
[2024-11-23 22:39:38,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 41 remaining)
[2024-11-23 22:39:38,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 41 remaining)
[2024-11-23 22:39:38,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 41 remaining)
[2024-11-23 22:39:38,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 41 remaining)
[2024-11-23 22:39:38,738 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 41 remaining)
[2024-11-23 22:39:38,738 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 41 remaining)
[2024-11-23 22:39:38,738 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 41 remaining)
[2024-11-23 22:39:38,738 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 41 remaining)
[2024-11-23 22:39:38,738 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 41 remaining)
[2024-11-23 22:39:38,738 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 41 remaining)
[2024-11-23 22:39:38,738 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 41 remaining)
[2024-11-23 22:39:38,738 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 41 remaining)
[2024-11-23 22:39:38,738 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 41 remaining)
[2024-11-23 22:39:38,738 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 41 remaining)
[2024-11-23 22:39:38,738 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 41 remaining)
[2024-11-23 22:39:38,739 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 41 remaining)
[2024-11-23 22:39:38,739 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 41 remaining)
[2024-11-23 22:39:38,739 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 41 remaining)
[2024-11-23 22:39:38,739 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 41 remaining)
[2024-11-23 22:39:38,739 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 41 remaining)
[2024-11-23 22:39:38,739 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 41 remaining)
[2024-11-23 22:39:38,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131
[2024-11-23 22:39:38,739 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:39:38,739 WARN L246 ceAbstractionStarter]: 33 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:39:38,739 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 34 thread instances.
[2024-11-23 22:39:38,944 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:39:38,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1329 places, 1330 transitions, 5176 flow
[2024-11-23 22:39:39,588 INFO L124 PetriNetUnfolderBase]: 177/2271 cut-off events.
[2024-11-23 22:39:39,588 INFO L125 PetriNetUnfolderBase]: For 7106/7106 co-relation queries the response was YES.
[2024-11-23 22:39:39,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3039 conditions, 2271 events. 177/2271 cut-off events. For 7106/7106 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 6476 event pairs, 0 based on Foata normal form. 0/1985 useless extension candidates. Maximal degree in co-relation 2970. Up to 70 conditions per place.
[2024-11-23 22:39:39,620 INFO L82 GeneralOperation]: Start removeDead. Operand has 1329 places, 1330 transitions, 5176 flow
[2024-11-23 22:39:39,625 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 390 places, 323 transitions, 1907 flow
[2024-11-23 22:39:39,626 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:39:39,626 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:39:39,626 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations.
[2024-11-23 22:39:39,627 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:39:39,627 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:39:39,627 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:39:39,627 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:39,627 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:39,627 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 39 more)] ===
[2024-11-23 22:39:39,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:39,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1074360154, now seen corresponding path program 1 times
[2024-11-23 22:39:39,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:39,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549713999]
[2024-11-23 22:39:39,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:39,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:39,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:39,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:39,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549713999]
[2024-11-23 22:39:39,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549713999] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:39,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:39,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:39,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204444691]
[2024-11-23 22:39:39,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:39,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:39,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:39,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:39,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:39,859 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1079 out of 1330
[2024-11-23 22:39:39,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 323 transitions, 1907 flow. Second operand has 3 states, 3 states have (on average 1080.3333333333333) internal successors, (3241), 3 states have internal predecessors, (3241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:39,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:39,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1079 of 1330
[2024-11-23 22:39:39,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:40,512 INFO L124 PetriNetUnfolderBase]: 71/1744 cut-off events.
[2024-11-23 22:39:40,512 INFO L125 PetriNetUnfolderBase]: For 7736/7736 co-relation queries the response was YES.
[2024-11-23 22:39:40,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2732 conditions, 1744 events. 71/1744 cut-off events. For 7736/7736 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 4603 event pairs, 35 based on Foata normal form. 36/1635 useless extension candidates. Maximal degree in co-relation 2601. Up to 251 conditions per place.
[2024-11-23 22:39:40,541 INFO L140 encePairwiseOnDemand]: 1324/1330 looper letters, 44 selfloop transitions, 2 changer transitions 1/319 dead transitions.
[2024-11-23 22:39:40,541 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 319 transitions, 1991 flow
[2024-11-23 22:39:40,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:40,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:40,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3287 transitions.
[2024-11-23 22:39:40,544 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8238095238095238
[2024-11-23 22:39:40,544 INFO L175 Difference]: Start difference. First operand has 390 places, 323 transitions, 1907 flow. Second operand 3 states and 3287 transitions.
[2024-11-23 22:39:40,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 319 transitions, 1991 flow
[2024-11-23 22:39:40,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 319 transitions, 934 flow, removed 528 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:40,566 INFO L231 Difference]: Finished difference. Result has 390 places, 318 transitions, 844 flow
[2024-11-23 22:39:40,567 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1330, PETRI_DIFFERENCE_MINUEND_FLOW=842, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=844, PETRI_PLACES=390, PETRI_TRANSITIONS=318}
[2024-11-23 22:39:40,567 INFO L279 CegarLoopForPetriNet]: 390 programPoint places, 0 predicate places.
[2024-11-23 22:39:40,567 INFO L471 AbstractCegarLoop]: Abstraction has has 390 places, 318 transitions, 844 flow
[2024-11-23 22:39:40,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1080.3333333333333) internal successors, (3241), 3 states have internal predecessors, (3241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:40,568 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:40,568 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:40,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132
[2024-11-23 22:39:40,569 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 39 more)] ===
[2024-11-23 22:39:40,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:40,569 INFO L85 PathProgramCache]: Analyzing trace with hash -126065266, now seen corresponding path program 1 times
[2024-11-23 22:39:40,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:40,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265896594]
[2024-11-23 22:39:40,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:40,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:40,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:40,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:40,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265896594]
[2024-11-23 22:39:40,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265896594] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:40,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:40,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:40,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304280462]
[2024-11-23 22:39:40,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:40,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:40,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:40,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:40,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:40,748 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1009 out of 1330
[2024-11-23 22:39:40,750 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 318 transitions, 844 flow. Second operand has 3 states, 3 states have (on average 1010.0) internal successors, (3030), 3 states have internal predecessors, (3030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:40,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:40,750 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1009 of 1330
[2024-11-23 22:39:40,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:41,432 INFO L124 PetriNetUnfolderBase]: 36/1565 cut-off events.
[2024-11-23 22:39:41,432 INFO L125 PetriNetUnfolderBase]: For 662/662 co-relation queries the response was YES.
[2024-11-23 22:39:41,449 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1956 conditions, 1565 events. 36/1565 cut-off events. For 662/662 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3433 event pairs, 0 based on Foata normal form. 35/1529 useless extension candidates. Maximal degree in co-relation 1898. Up to 180 conditions per place.
[2024-11-23 22:39:41,450 INFO L140 encePairwiseOnDemand]: 1324/1330 looper letters, 42 selfloop transitions, 1 changer transitions 24/313 dead transitions.
[2024-11-23 22:39:41,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 313 transitions, 924 flow
[2024-11-23 22:39:41,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:41,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:41,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3077 transitions.
[2024-11-23 22:39:41,453 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7711779448621554
[2024-11-23 22:39:41,454 INFO L175 Difference]: Start difference. First operand has 390 places, 318 transitions, 844 flow. Second operand 3 states and 3077 transitions.
[2024-11-23 22:39:41,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 313 transitions, 924 flow
[2024-11-23 22:39:41,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 313 transitions, 920 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:39:41,459 INFO L231 Difference]: Finished difference. Result has 384 places, 289 transitions, 782 flow
[2024-11-23 22:39:41,459 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1330, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=782, PETRI_PLACES=384, PETRI_TRANSITIONS=289}
[2024-11-23 22:39:41,459 INFO L279 CegarLoopForPetriNet]: 390 programPoint places, -6 predicate places.
[2024-11-23 22:39:41,459 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 289 transitions, 782 flow
[2024-11-23 22:39:41,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1010.0) internal successors, (3030), 3 states have internal predecessors, (3030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:41,460 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:41,460 INFO L206 CegarLoopForPetriNet]: trace histogram [35, 35, 35, 35, 35, 35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:41,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133
[2024-11-23 22:39:41,460 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 39 more)] ===
[2024-11-23 22:39:41,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:41,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1923573650, now seen corresponding path program 1 times
[2024-11-23 22:39:41,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:41,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792820099]
[2024-11-23 22:39:41,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:41,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:41,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:41,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:41,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792820099]
[2024-11-23 22:39:41,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792820099] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:41,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:41,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:39:41,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36025420]
[2024-11-23 22:39:41,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:41,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:39:41,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:41,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:39:41,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:39:41,936 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1111 out of 1330
[2024-11-23 22:39:41,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 289 transitions, 782 flow. Second operand has 5 states, 5 states have (on average 1119.8) internal successors, (5599), 5 states have internal predecessors, (5599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:41,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:41,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1111 of 1330
[2024-11-23 22:39:41,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:42,349 INFO L124 PetriNetUnfolderBase]: 0/738 cut-off events.
[2024-11-23 22:39:42,349 INFO L125 PetriNetUnfolderBase]: For 661/661 co-relation queries the response was YES.
[2024-11-23 22:39:42,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 991 conditions, 738 events. 0/738 cut-off events. For 661/661 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 435 event pairs, 0 based on Foata normal form. 1/738 useless extension candidates. Maximal degree in co-relation 0. Up to 110 conditions per place.
[2024-11-23 22:39:42,350 INFO L140 encePairwiseOnDemand]: 1325/1330 looper letters, 42 selfloop transitions, 2 changer transitions 3/291 dead transitions.
[2024-11-23 22:39:42,350 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 291 transitions, 880 flow
[2024-11-23 22:39:42,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:39:42,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:39:42,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5603 transitions.
[2024-11-23 22:39:42,354 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8425563909774436
[2024-11-23 22:39:42,354 INFO L175 Difference]: Start difference. First operand has 384 places, 289 transitions, 782 flow. Second operand 5 states and 5603 transitions.
[2024-11-23 22:39:42,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 291 transitions, 880 flow
[2024-11-23 22:39:42,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 291 transitions, 879 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:42,359 INFO L231 Difference]: Finished difference. Result has 364 places, 288 transitions, 787 flow
[2024-11-23 22:39:42,359 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1330, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=787, PETRI_PLACES=364, PETRI_TRANSITIONS=288}
[2024-11-23 22:39:42,359 INFO L279 CegarLoopForPetriNet]: 390 programPoint places, -26 predicate places.
[2024-11-23 22:39:42,359 INFO L471 AbstractCegarLoop]: Abstraction has has 364 places, 288 transitions, 787 flow
[2024-11-23 22:39:42,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1119.8) internal successors, (5599), 5 states have internal predecessors, (5599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:42,361 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:42,361 INFO L206 CegarLoopForPetriNet]: trace histogram [35, 35, 35, 35, 35, 35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:42,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134
[2024-11-23 22:39:42,361 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 39 more)] ===
[2024-11-23 22:39:42,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:42,365 INFO L85 PathProgramCache]: Analyzing trace with hash 2105014022, now seen corresponding path program 1 times
[2024-11-23 22:39:42,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:42,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144439840]
[2024-11-23 22:39:42,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:42,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:42,443 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:39:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:42,678 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:39:42,679 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:39:42,679 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 42 remaining)
[2024-11-23 22:39:42,679 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (40 of 42 remaining)
[2024-11-23 22:39:42,679 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (39 of 42 remaining)
[2024-11-23 22:39:42,679 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 42 remaining)
[2024-11-23 22:39:42,679 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (37 of 42 remaining)
[2024-11-23 22:39:42,679 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (36 of 42 remaining)
[2024-11-23 22:39:42,679 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 42 remaining)
[2024-11-23 22:39:42,679 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (34 of 42 remaining)
[2024-11-23 22:39:42,679 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (33 of 42 remaining)
[2024-11-23 22:39:42,679 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (32 of 42 remaining)
[2024-11-23 22:39:42,679 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (31 of 42 remaining)
[2024-11-23 22:39:42,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 42 remaining)
[2024-11-23 22:39:42,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 42 remaining)
[2024-11-23 22:39:42,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 42 remaining)
[2024-11-23 22:39:42,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 42 remaining)
[2024-11-23 22:39:42,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 42 remaining)
[2024-11-23 22:39:42,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 42 remaining)
[2024-11-23 22:39:42,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 42 remaining)
[2024-11-23 22:39:42,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 42 remaining)
[2024-11-23 22:39:42,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 42 remaining)
[2024-11-23 22:39:42,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 42 remaining)
[2024-11-23 22:39:42,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 42 remaining)
[2024-11-23 22:39:42,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 42 remaining)
[2024-11-23 22:39:42,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 42 remaining)
[2024-11-23 22:39:42,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 42 remaining)
[2024-11-23 22:39:42,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 42 remaining)
[2024-11-23 22:39:42,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 42 remaining)
[2024-11-23 22:39:42,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 42 remaining)
[2024-11-23 22:39:42,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 42 remaining)
[2024-11-23 22:39:42,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 42 remaining)
[2024-11-23 22:39:42,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 42 remaining)
[2024-11-23 22:39:42,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 42 remaining)
[2024-11-23 22:39:42,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 42 remaining)
[2024-11-23 22:39:42,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 42 remaining)
[2024-11-23 22:39:42,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 42 remaining)
[2024-11-23 22:39:42,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 42 remaining)
[2024-11-23 22:39:42,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 42 remaining)
[2024-11-23 22:39:42,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 42 remaining)
[2024-11-23 22:39:42,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 42 remaining)
[2024-11-23 22:39:42,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 42 remaining)
[2024-11-23 22:39:42,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 42 remaining)
[2024-11-23 22:39:42,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 42 remaining)
[2024-11-23 22:39:42,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135
[2024-11-23 22:39:42,682 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:39:42,682 WARN L246 ceAbstractionStarter]: 34 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:39:42,682 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 35 thread instances.
[2024-11-23 22:39:42,872 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:39:42,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1366 places, 1367 transitions, 5394 flow
[2024-11-23 22:39:43,782 INFO L124 PetriNetUnfolderBase]: 182/2335 cut-off events.
[2024-11-23 22:39:43,783 INFO L125 PetriNetUnfolderBase]: For 7735/7735 co-relation queries the response was YES.
[2024-11-23 22:39:43,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3143 conditions, 2335 events. 182/2335 cut-off events. For 7735/7735 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 6742 event pairs, 0 based on Foata normal form. 0/2041 useless extension candidates. Maximal degree in co-relation 3072. Up to 72 conditions per place.
[2024-11-23 22:39:43,811 INFO L82 GeneralOperation]: Start removeDead. Operand has 1366 places, 1367 transitions, 5394 flow
[2024-11-23 22:39:43,817 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 399 places, 330 transitions, 1993 flow
[2024-11-23 22:39:43,818 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:39:43,818 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:39:43,818 INFO L334 AbstractCegarLoop]: Starting to check reachability of 43 error locations.
[2024-11-23 22:39:43,820 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:39:43,820 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:39:43,820 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:39:43,821 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:43,821 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:43,821 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 40 more)] ===
[2024-11-23 22:39:43,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:43,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1256077402, now seen corresponding path program 1 times
[2024-11-23 22:39:43,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:43,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951214535]
[2024-11-23 22:39:43,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:43,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:44,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:44,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:44,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951214535]
[2024-11-23 22:39:44,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951214535] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:44,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:44,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:44,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744075574]
[2024-11-23 22:39:44,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:44,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:44,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:44,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:44,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:44,231 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1109 out of 1367
[2024-11-23 22:39:44,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 330 transitions, 1993 flow. Second operand has 3 states, 3 states have (on average 1110.3333333333333) internal successors, (3331), 3 states have internal predecessors, (3331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:44,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:44,234 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1109 of 1367
[2024-11-23 22:39:44,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:45,123 INFO L124 PetriNetUnfolderBase]: 73/1793 cut-off events.
[2024-11-23 22:39:45,124 INFO L125 PetriNetUnfolderBase]: For 8401/8401 co-relation queries the response was YES.
[2024-11-23 22:39:45,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2827 conditions, 1793 events. 73/1793 cut-off events. For 8401/8401 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 4708 event pairs, 36 based on Foata normal form. 37/1681 useless extension candidates. Maximal degree in co-relation 2694. Up to 258 conditions per place.
[2024-11-23 22:39:45,150 INFO L140 encePairwiseOnDemand]: 1361/1367 looper letters, 45 selfloop transitions, 2 changer transitions 1/326 dead transitions.
[2024-11-23 22:39:45,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 326 transitions, 2079 flow
[2024-11-23 22:39:45,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:45,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:45,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3378 transitions.
[2024-11-23 22:39:45,154 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8237015362106803
[2024-11-23 22:39:45,154 INFO L175 Difference]: Start difference. First operand has 399 places, 330 transitions, 1993 flow. Second operand 3 states and 3378 transitions.
[2024-11-23 22:39:45,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 326 transitions, 2079 flow
[2024-11-23 22:39:45,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 326 transitions, 956 flow, removed 561 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:45,176 INFO L231 Difference]: Finished difference. Result has 399 places, 325 transitions, 864 flow
[2024-11-23 22:39:45,177 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1367, PETRI_DIFFERENCE_MINUEND_FLOW=862, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=326, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=864, PETRI_PLACES=399, PETRI_TRANSITIONS=325}
[2024-11-23 22:39:45,177 INFO L279 CegarLoopForPetriNet]: 399 programPoint places, 0 predicate places.
[2024-11-23 22:39:45,177 INFO L471 AbstractCegarLoop]: Abstraction has has 399 places, 325 transitions, 864 flow
[2024-11-23 22:39:45,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1110.3333333333333) internal successors, (3331), 3 states have internal predecessors, (3331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:45,177 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:45,178 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:45,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136
[2024-11-23 22:39:45,178 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 40 more)] ===
[2024-11-23 22:39:45,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:45,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1773550158, now seen corresponding path program 1 times
[2024-11-23 22:39:45,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:45,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921528778]
[2024-11-23 22:39:45,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:45,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:45,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:45,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:45,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921528778]
[2024-11-23 22:39:45,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921528778] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:45,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:45,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:45,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165465538]
[2024-11-23 22:39:45,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:45,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:45,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:45,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:45,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:45,379 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1037 out of 1367
[2024-11-23 22:39:45,381 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 325 transitions, 864 flow. Second operand has 3 states, 3 states have (on average 1038.0) internal successors, (3114), 3 states have internal predecessors, (3114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:45,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:45,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1037 of 1367
[2024-11-23 22:39:45,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:46,218 INFO L124 PetriNetUnfolderBase]: 37/1609 cut-off events.
[2024-11-23 22:39:46,218 INFO L125 PetriNetUnfolderBase]: For 699/699 co-relation queries the response was YES.
[2024-11-23 22:39:46,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2011 conditions, 1609 events. 37/1609 cut-off events. For 699/699 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3534 event pairs, 0 based on Foata normal form. 36/1572 useless extension candidates. Maximal degree in co-relation 1952. Up to 185 conditions per place.
[2024-11-23 22:39:46,241 INFO L140 encePairwiseOnDemand]: 1361/1367 looper letters, 43 selfloop transitions, 1 changer transitions 24/320 dead transitions.
[2024-11-23 22:39:46,241 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 320 transitions, 946 flow
[2024-11-23 22:39:46,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:46,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:46,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3162 transitions.
[2024-11-23 22:39:46,246 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7710314557425019
[2024-11-23 22:39:46,246 INFO L175 Difference]: Start difference. First operand has 399 places, 325 transitions, 864 flow. Second operand 3 states and 3162 transitions.
[2024-11-23 22:39:46,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 320 transitions, 946 flow
[2024-11-23 22:39:46,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 320 transitions, 942 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:39:46,252 INFO L231 Difference]: Finished difference. Result has 393 places, 296 transitions, 802 flow
[2024-11-23 22:39:46,252 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1367, PETRI_DIFFERENCE_MINUEND_FLOW=850, PETRI_DIFFERENCE_MINUEND_PLACES=391, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=802, PETRI_PLACES=393, PETRI_TRANSITIONS=296}
[2024-11-23 22:39:46,253 INFO L279 CegarLoopForPetriNet]: 399 programPoint places, -6 predicate places.
[2024-11-23 22:39:46,253 INFO L471 AbstractCegarLoop]: Abstraction has has 393 places, 296 transitions, 802 flow
[2024-11-23 22:39:46,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1038.0) internal successors, (3114), 3 states have internal predecessors, (3114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:46,253 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:46,254 INFO L206 CegarLoopForPetriNet]: trace histogram [36, 36, 36, 36, 36, 36, 36, 35, 35, 35, 35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:46,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137
[2024-11-23 22:39:46,254 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 40 more)] ===
[2024-11-23 22:39:46,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:46,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1541892555, now seen corresponding path program 1 times
[2024-11-23 22:39:46,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:46,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497434120]
[2024-11-23 22:39:46,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:46,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:46,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:46,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:46,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497434120]
[2024-11-23 22:39:46,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497434120] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:46,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:46,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:39:46,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199730320]
[2024-11-23 22:39:46,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:46,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:39:46,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:46,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:39:46,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:39:46,925 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1142 out of 1367
[2024-11-23 22:39:46,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 296 transitions, 802 flow. Second operand has 5 states, 5 states have (on average 1151.0) internal successors, (5755), 5 states have internal predecessors, (5755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:46,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:46,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1142 of 1367
[2024-11-23 22:39:46,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:47,467 INFO L124 PetriNetUnfolderBase]: 0/758 cut-off events.
[2024-11-23 22:39:47,467 INFO L125 PetriNetUnfolderBase]: For 698/698 co-relation queries the response was YES.
[2024-11-23 22:39:47,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1018 conditions, 758 events. 0/758 cut-off events. For 698/698 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 448 event pairs, 0 based on Foata normal form. 1/758 useless extension candidates. Maximal degree in co-relation 0. Up to 113 conditions per place.
[2024-11-23 22:39:47,469 INFO L140 encePairwiseOnDemand]: 1362/1367 looper letters, 43 selfloop transitions, 2 changer transitions 3/298 dead transitions.
[2024-11-23 22:39:47,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 298 transitions, 902 flow
[2024-11-23 22:39:47,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:39:47,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:39:47,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5759 transitions.
[2024-11-23 22:39:47,477 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8425749817117776
[2024-11-23 22:39:47,477 INFO L175 Difference]: Start difference. First operand has 393 places, 296 transitions, 802 flow. Second operand 5 states and 5759 transitions.
[2024-11-23 22:39:47,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 298 transitions, 902 flow
[2024-11-23 22:39:47,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 298 transitions, 901 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:47,484 INFO L231 Difference]: Finished difference. Result has 373 places, 295 transitions, 807 flow
[2024-11-23 22:39:47,485 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1367, PETRI_DIFFERENCE_MINUEND_FLOW=801, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=807, PETRI_PLACES=373, PETRI_TRANSITIONS=295}
[2024-11-23 22:39:47,485 INFO L279 CegarLoopForPetriNet]: 399 programPoint places, -26 predicate places.
[2024-11-23 22:39:47,485 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 295 transitions, 807 flow
[2024-11-23 22:39:47,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1151.0) internal successors, (5755), 5 states have internal predecessors, (5755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:47,486 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:47,486 INFO L206 CegarLoopForPetriNet]: trace histogram [36, 36, 36, 36, 36, 36, 36, 35, 35, 35, 35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:47,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138
[2024-11-23 22:39:47,486 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 40 more)] ===
[2024-11-23 22:39:47,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:47,491 INFO L85 PathProgramCache]: Analyzing trace with hash -546222452, now seen corresponding path program 1 times
[2024-11-23 22:39:47,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:47,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736493715]
[2024-11-23 22:39:47,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:47,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:47,611 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:39:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:47,804 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:39:47,804 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:39:47,804 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 43 remaining)
[2024-11-23 22:39:47,804 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (41 of 43 remaining)
[2024-11-23 22:39:47,804 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (40 of 43 remaining)
[2024-11-23 22:39:47,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (39 of 43 remaining)
[2024-11-23 22:39:47,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (38 of 43 remaining)
[2024-11-23 22:39:47,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 43 remaining)
[2024-11-23 22:39:47,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 43 remaining)
[2024-11-23 22:39:47,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (35 of 43 remaining)
[2024-11-23 22:39:47,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (34 of 43 remaining)
[2024-11-23 22:39:47,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (33 of 43 remaining)
[2024-11-23 22:39:47,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (32 of 43 remaining)
[2024-11-23 22:39:47,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (31 of 43 remaining)
[2024-11-23 22:39:47,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 43 remaining)
[2024-11-23 22:39:47,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 43 remaining)
[2024-11-23 22:39:47,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 43 remaining)
[2024-11-23 22:39:47,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 43 remaining)
[2024-11-23 22:39:47,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 43 remaining)
[2024-11-23 22:39:47,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 43 remaining)
[2024-11-23 22:39:47,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 43 remaining)
[2024-11-23 22:39:47,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 43 remaining)
[2024-11-23 22:39:47,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 43 remaining)
[2024-11-23 22:39:47,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 43 remaining)
[2024-11-23 22:39:47,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 43 remaining)
[2024-11-23 22:39:47,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 43 remaining)
[2024-11-23 22:39:47,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 43 remaining)
[2024-11-23 22:39:47,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 43 remaining)
[2024-11-23 22:39:47,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 43 remaining)
[2024-11-23 22:39:47,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 43 remaining)
[2024-11-23 22:39:47,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 43 remaining)
[2024-11-23 22:39:47,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 43 remaining)
[2024-11-23 22:39:47,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 43 remaining)
[2024-11-23 22:39:47,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 43 remaining)
[2024-11-23 22:39:47,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 43 remaining)
[2024-11-23 22:39:47,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 43 remaining)
[2024-11-23 22:39:47,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 43 remaining)
[2024-11-23 22:39:47,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 43 remaining)
[2024-11-23 22:39:47,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 43 remaining)
[2024-11-23 22:39:47,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 43 remaining)
[2024-11-23 22:39:47,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 43 remaining)
[2024-11-23 22:39:47,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 43 remaining)
[2024-11-23 22:39:47,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 43 remaining)
[2024-11-23 22:39:47,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 43 remaining)
[2024-11-23 22:39:47,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 43 remaining)
[2024-11-23 22:39:47,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139
[2024-11-23 22:39:47,807 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:39:47,807 WARN L246 ceAbstractionStarter]: 35 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:39:47,807 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 36 thread instances.
[2024-11-23 22:39:47,980 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:39:47,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1403 places, 1404 transitions, 5616 flow
[2024-11-23 22:39:48,747 INFO L124 PetriNetUnfolderBase]: 187/2399 cut-off events.
[2024-11-23 22:39:48,747 INFO L125 PetriNetUnfolderBase]: For 8400/8400 co-relation queries the response was YES.
[2024-11-23 22:39:48,787 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3248 conditions, 2399 events. 187/2399 cut-off events. For 8400/8400 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 6694 event pairs, 0 based on Foata normal form. 0/2097 useless extension candidates. Maximal degree in co-relation 3175. Up to 74 conditions per place.
[2024-11-23 22:39:48,788 INFO L82 GeneralOperation]: Start removeDead. Operand has 1403 places, 1404 transitions, 5616 flow
[2024-11-23 22:39:48,794 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 408 places, 337 transitions, 2081 flow
[2024-11-23 22:39:48,795 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:39:48,795 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:39:48,795 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations.
[2024-11-23 22:39:48,796 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:39:48,796 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:39:48,796 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:39:48,796 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:48,796 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:48,797 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] ===
[2024-11-23 22:39:48,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:48,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1486699610, now seen corresponding path program 1 times
[2024-11-23 22:39:48,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:48,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800293983]
[2024-11-23 22:39:48,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:48,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:48,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:48,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:48,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800293983]
[2024-11-23 22:39:48,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800293983] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:48,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:48,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:48,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161477097]
[2024-11-23 22:39:48,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:48,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:48,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:48,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:48,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:49,057 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1139 out of 1404
[2024-11-23 22:39:49,060 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 337 transitions, 2081 flow. Second operand has 3 states, 3 states have (on average 1140.3333333333333) internal successors, (3421), 3 states have internal predecessors, (3421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:49,060 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:49,060 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1139 of 1404
[2024-11-23 22:39:49,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:49,814 INFO L124 PetriNetUnfolderBase]: 75/1842 cut-off events.
[2024-11-23 22:39:49,814 INFO L125 PetriNetUnfolderBase]: For 9103/9103 co-relation queries the response was YES.
[2024-11-23 22:39:49,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2923 conditions, 1842 events. 75/1842 cut-off events. For 9103/9103 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 4869 event pairs, 37 based on Foata normal form. 38/1727 useless extension candidates. Maximal degree in co-relation 2788. Up to 265 conditions per place.
[2024-11-23 22:39:49,844 INFO L140 encePairwiseOnDemand]: 1398/1404 looper letters, 46 selfloop transitions, 2 changer transitions 1/333 dead transitions.
[2024-11-23 22:39:49,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 333 transitions, 2169 flow
[2024-11-23 22:39:49,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:49,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:49,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3469 transitions.
[2024-11-23 22:39:49,848 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8235992402659069
[2024-11-23 22:39:49,848 INFO L175 Difference]: Start difference. First operand has 408 places, 337 transitions, 2081 flow. Second operand 3 states and 3469 transitions.
[2024-11-23 22:39:49,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 333 transitions, 2169 flow
[2024-11-23 22:39:49,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 333 transitions, 978 flow, removed 595 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:49,870 INFO L231 Difference]: Finished difference. Result has 408 places, 332 transitions, 884 flow
[2024-11-23 22:39:49,870 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1404, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=884, PETRI_PLACES=408, PETRI_TRANSITIONS=332}
[2024-11-23 22:39:49,871 INFO L279 CegarLoopForPetriNet]: 408 programPoint places, 0 predicate places.
[2024-11-23 22:39:49,871 INFO L471 AbstractCegarLoop]: Abstraction has has 408 places, 332 transitions, 884 flow
[2024-11-23 22:39:49,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1140.3333333333333) internal successors, (3421), 3 states have internal predecessors, (3421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:49,872 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:49,872 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:49,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140
[2024-11-23 22:39:49,873 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] ===
[2024-11-23 22:39:49,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:49,873 INFO L85 PathProgramCache]: Analyzing trace with hash 497857870, now seen corresponding path program 1 times
[2024-11-23 22:39:49,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:49,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238000770]
[2024-11-23 22:39:49,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:49,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:49,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:49,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:49,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238000770]
[2024-11-23 22:39:49,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238000770] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:49,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:49,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:49,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804476849]
[2024-11-23 22:39:49,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:49,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:49,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:49,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:49,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:50,116 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1065 out of 1404
[2024-11-23 22:39:50,118 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 332 transitions, 884 flow. Second operand has 3 states, 3 states have (on average 1066.0) internal successors, (3198), 3 states have internal predecessors, (3198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:50,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:50,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1065 of 1404
[2024-11-23 22:39:50,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:50,794 INFO L124 PetriNetUnfolderBase]: 38/1653 cut-off events.
[2024-11-23 22:39:50,794 INFO L125 PetriNetUnfolderBase]: For 737/737 co-relation queries the response was YES.
[2024-11-23 22:39:50,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2066 conditions, 1653 events. 38/1653 cut-off events. For 737/737 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3633 event pairs, 0 based on Foata normal form. 37/1615 useless extension candidates. Maximal degree in co-relation 2006. Up to 190 conditions per place.
[2024-11-23 22:39:50,811 INFO L140 encePairwiseOnDemand]: 1398/1404 looper letters, 44 selfloop transitions, 1 changer transitions 24/327 dead transitions.
[2024-11-23 22:39:50,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 327 transitions, 968 flow
[2024-11-23 22:39:50,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:50,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:50,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3247 transitions.
[2024-11-23 22:39:50,814 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7708926875593543
[2024-11-23 22:39:50,814 INFO L175 Difference]: Start difference. First operand has 408 places, 332 transitions, 884 flow. Second operand 3 states and 3247 transitions.
[2024-11-23 22:39:50,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 327 transitions, 968 flow
[2024-11-23 22:39:50,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 327 transitions, 964 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:39:50,818 INFO L231 Difference]: Finished difference. Result has 402 places, 303 transitions, 822 flow
[2024-11-23 22:39:50,819 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1404, PETRI_DIFFERENCE_MINUEND_FLOW=870, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=822, PETRI_PLACES=402, PETRI_TRANSITIONS=303}
[2024-11-23 22:39:50,819 INFO L279 CegarLoopForPetriNet]: 408 programPoint places, -6 predicate places.
[2024-11-23 22:39:50,819 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 303 transitions, 822 flow
[2024-11-23 22:39:50,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1066.0) internal successors, (3198), 3 states have internal predecessors, (3198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:50,820 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:50,820 INFO L206 CegarLoopForPetriNet]: trace histogram [37, 37, 37, 37, 37, 37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:50,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141
[2024-11-23 22:39:50,820 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] ===
[2024-11-23 22:39:50,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:50,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1321319146, now seen corresponding path program 1 times
[2024-11-23 22:39:50,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:50,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156444707]
[2024-11-23 22:39:50,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:50,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:51,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:51,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156444707]
[2024-11-23 22:39:51,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156444707] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:51,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:51,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:39:51,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721677949]
[2024-11-23 22:39:51,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:51,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:39:51,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:51,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:39:51,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:39:51,231 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1173 out of 1404
[2024-11-23 22:39:51,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 303 transitions, 822 flow. Second operand has 5 states, 5 states have (on average 1182.2) internal successors, (5911), 5 states have internal predecessors, (5911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:51,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:51,234 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1173 of 1404
[2024-11-23 22:39:51,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:51,660 INFO L124 PetriNetUnfolderBase]: 0/778 cut-off events.
[2024-11-23 22:39:51,660 INFO L125 PetriNetUnfolderBase]: For 736/736 co-relation queries the response was YES.
[2024-11-23 22:39:51,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1045 conditions, 778 events. 0/778 cut-off events. For 736/736 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 459 event pairs, 0 based on Foata normal form. 1/778 useless extension candidates. Maximal degree in co-relation 0. Up to 116 conditions per place.
[2024-11-23 22:39:51,662 INFO L140 encePairwiseOnDemand]: 1399/1404 looper letters, 44 selfloop transitions, 2 changer transitions 3/305 dead transitions.
[2024-11-23 22:39:51,662 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 305 transitions, 924 flow
[2024-11-23 22:39:51,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:39:51,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:39:51,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5915 transitions.
[2024-11-23 22:39:51,666 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8425925925925926
[2024-11-23 22:39:51,666 INFO L175 Difference]: Start difference. First operand has 402 places, 303 transitions, 822 flow. Second operand 5 states and 5915 transitions.
[2024-11-23 22:39:51,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 305 transitions, 924 flow
[2024-11-23 22:39:51,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 305 transitions, 923 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:51,671 INFO L231 Difference]: Finished difference. Result has 382 places, 302 transitions, 827 flow
[2024-11-23 22:39:51,671 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1404, PETRI_DIFFERENCE_MINUEND_FLOW=821, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=827, PETRI_PLACES=382, PETRI_TRANSITIONS=302}
[2024-11-23 22:39:51,671 INFO L279 CegarLoopForPetriNet]: 408 programPoint places, -26 predicate places.
[2024-11-23 22:39:51,671 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 302 transitions, 827 flow
[2024-11-23 22:39:51,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1182.2) internal successors, (5911), 5 states have internal predecessors, (5911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:51,672 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:51,672 INFO L206 CegarLoopForPetriNet]: trace histogram [37, 37, 37, 37, 37, 37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:51,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142
[2024-11-23 22:39:51,672 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 41 more)] ===
[2024-11-23 22:39:51,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:51,676 INFO L85 PathProgramCache]: Analyzing trace with hash -548426341, now seen corresponding path program 1 times
[2024-11-23 22:39:51,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:51,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469889934]
[2024-11-23 22:39:51,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:51,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:51,766 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:39:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:51,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:39:51,969 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:39:51,969 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 44 remaining)
[2024-11-23 22:39:51,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 44 remaining)
[2024-11-23 22:39:51,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 44 remaining)
[2024-11-23 22:39:51,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 44 remaining)
[2024-11-23 22:39:51,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 44 remaining)
[2024-11-23 22:39:51,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (38 of 44 remaining)
[2024-11-23 22:39:51,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 44 remaining)
[2024-11-23 22:39:51,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (36 of 44 remaining)
[2024-11-23 22:39:51,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (35 of 44 remaining)
[2024-11-23 22:39:51,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (34 of 44 remaining)
[2024-11-23 22:39:51,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (33 of 44 remaining)
[2024-11-23 22:39:51,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (32 of 44 remaining)
[2024-11-23 22:39:51,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (31 of 44 remaining)
[2024-11-23 22:39:51,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 44 remaining)
[2024-11-23 22:39:51,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 44 remaining)
[2024-11-23 22:39:51,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 44 remaining)
[2024-11-23 22:39:51,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 44 remaining)
[2024-11-23 22:39:51,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 44 remaining)
[2024-11-23 22:39:51,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 44 remaining)
[2024-11-23 22:39:51,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 44 remaining)
[2024-11-23 22:39:51,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 44 remaining)
[2024-11-23 22:39:51,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 44 remaining)
[2024-11-23 22:39:51,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 44 remaining)
[2024-11-23 22:39:51,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 44 remaining)
[2024-11-23 22:39:51,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 44 remaining)
[2024-11-23 22:39:51,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 44 remaining)
[2024-11-23 22:39:51,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 44 remaining)
[2024-11-23 22:39:51,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 44 remaining)
[2024-11-23 22:39:51,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 44 remaining)
[2024-11-23 22:39:51,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 44 remaining)
[2024-11-23 22:39:51,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 44 remaining)
[2024-11-23 22:39:51,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 44 remaining)
[2024-11-23 22:39:51,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 44 remaining)
[2024-11-23 22:39:51,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 44 remaining)
[2024-11-23 22:39:51,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 44 remaining)
[2024-11-23 22:39:51,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 44 remaining)
[2024-11-23 22:39:51,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 44 remaining)
[2024-11-23 22:39:51,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 44 remaining)
[2024-11-23 22:39:51,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 44 remaining)
[2024-11-23 22:39:51,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 44 remaining)
[2024-11-23 22:39:51,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 44 remaining)
[2024-11-23 22:39:51,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 44 remaining)
[2024-11-23 22:39:51,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 44 remaining)
[2024-11-23 22:39:51,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 44 remaining)
[2024-11-23 22:39:51,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143
[2024-11-23 22:39:51,972 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:39:51,973 WARN L246 ceAbstractionStarter]: 36 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:39:51,973 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 37 thread instances.
[2024-11-23 22:39:52,156 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:39:52,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1440 places, 1441 transitions, 5842 flow
[2024-11-23 22:39:53,001 INFO L124 PetriNetUnfolderBase]: 192/2463 cut-off events.
[2024-11-23 22:39:53,001 INFO L125 PetriNetUnfolderBase]: For 9102/9102 co-relation queries the response was YES.
[2024-11-23 22:39:53,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3354 conditions, 2463 events. 192/2463 cut-off events. For 9102/9102 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 6915 event pairs, 0 based on Foata normal form. 0/2153 useless extension candidates. Maximal degree in co-relation 3279. Up to 76 conditions per place.
[2024-11-23 22:39:53,046 INFO L82 GeneralOperation]: Start removeDead. Operand has 1440 places, 1441 transitions, 5842 flow
[2024-11-23 22:39:53,053 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 417 places, 344 transitions, 2171 flow
[2024-11-23 22:39:53,053 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:39:53,054 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:39:53,054 INFO L334 AbstractCegarLoop]: Starting to check reachability of 45 error locations.
[2024-11-23 22:39:53,055 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:39:53,055 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:39:53,055 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:39:53,055 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:53,055 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:53,055 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 42 more)] ===
[2024-11-23 22:39:53,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:53,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1766226778, now seen corresponding path program 1 times
[2024-11-23 22:39:53,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:53,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825269640]
[2024-11-23 22:39:53,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:53,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:53,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:53,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:53,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825269640]
[2024-11-23 22:39:53,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825269640] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:53,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:53,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:53,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13823840]
[2024-11-23 22:39:53,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:53,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:53,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:53,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:53,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:53,322 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1169 out of 1441
[2024-11-23 22:39:53,324 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 344 transitions, 2171 flow. Second operand has 3 states, 3 states have (on average 1170.3333333333333) internal successors, (3511), 3 states have internal predecessors, (3511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:53,324 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:53,324 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1169 of 1441
[2024-11-23 22:39:53,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:54,095 INFO L124 PetriNetUnfolderBase]: 77/1891 cut-off events.
[2024-11-23 22:39:54,095 INFO L125 PetriNetUnfolderBase]: For 9843/9843 co-relation queries the response was YES.
[2024-11-23 22:39:54,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3020 conditions, 1891 events. 77/1891 cut-off events. For 9843/9843 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 5194 event pairs, 38 based on Foata normal form. 77/1811 useless extension candidates. Maximal degree in co-relation 2883. Up to 272 conditions per place.
[2024-11-23 22:39:54,128 INFO L140 encePairwiseOnDemand]: 1435/1441 looper letters, 47 selfloop transitions, 2 changer transitions 1/340 dead transitions.
[2024-11-23 22:39:54,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 340 transitions, 2261 flow
[2024-11-23 22:39:54,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:54,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:54,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3560 transitions.
[2024-11-23 22:39:54,131 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.823502197547999
[2024-11-23 22:39:54,131 INFO L175 Difference]: Start difference. First operand has 417 places, 344 transitions, 2171 flow. Second operand 3 states and 3560 transitions.
[2024-11-23 22:39:54,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 340 transitions, 2261 flow
[2024-11-23 22:39:54,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 340 transitions, 1000 flow, removed 630 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:54,153 INFO L231 Difference]: Finished difference. Result has 417 places, 339 transitions, 904 flow
[2024-11-23 22:39:54,153 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1441, PETRI_DIFFERENCE_MINUEND_FLOW=902, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=904, PETRI_PLACES=417, PETRI_TRANSITIONS=339}
[2024-11-23 22:39:54,153 INFO L279 CegarLoopForPetriNet]: 417 programPoint places, 0 predicate places.
[2024-11-23 22:39:54,153 INFO L471 AbstractCegarLoop]: Abstraction has has 417 places, 339 transitions, 904 flow
[2024-11-23 22:39:54,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1170.3333333333333) internal successors, (3511), 3 states have internal predecessors, (3511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:54,154 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:54,154 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:54,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144
[2024-11-23 22:39:54,154 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 42 more)] ===
[2024-11-23 22:39:54,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:54,155 INFO L85 PathProgramCache]: Analyzing trace with hash 341825166, now seen corresponding path program 1 times
[2024-11-23 22:39:54,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:54,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902340130]
[2024-11-23 22:39:54,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:54,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:54,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:54,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:54,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902340130]
[2024-11-23 22:39:54,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902340130] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:54,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:54,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:54,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725638428]
[2024-11-23 22:39:54,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:54,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:54,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:54,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:54,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:54,478 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1093 out of 1441
[2024-11-23 22:39:54,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 339 transitions, 904 flow. Second operand has 3 states, 3 states have (on average 1094.0) internal successors, (3282), 3 states have internal predecessors, (3282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:54,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:54,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1093 of 1441
[2024-11-23 22:39:54,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:55,536 INFO L124 PetriNetUnfolderBase]: 39/1697 cut-off events.
[2024-11-23 22:39:55,537 INFO L125 PetriNetUnfolderBase]: For 776/776 co-relation queries the response was YES.
[2024-11-23 22:39:55,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2121 conditions, 1697 events. 39/1697 cut-off events. For 776/776 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3811 event pairs, 0 based on Foata normal form. 38/1658 useless extension candidates. Maximal degree in co-relation 2060. Up to 195 conditions per place.
[2024-11-23 22:39:55,573 INFO L140 encePairwiseOnDemand]: 1435/1441 looper letters, 45 selfloop transitions, 1 changer transitions 24/334 dead transitions.
[2024-11-23 22:39:55,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 334 transitions, 990 flow
[2024-11-23 22:39:55,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:55,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:55,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3332 transitions.
[2024-11-23 22:39:55,577 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7707610455702059
[2024-11-23 22:39:55,577 INFO L175 Difference]: Start difference. First operand has 417 places, 339 transitions, 904 flow. Second operand 3 states and 3332 transitions.
[2024-11-23 22:39:55,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 334 transitions, 990 flow
[2024-11-23 22:39:55,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 334 transitions, 986 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:39:55,582 INFO L231 Difference]: Finished difference. Result has 411 places, 310 transitions, 842 flow
[2024-11-23 22:39:55,582 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1441, PETRI_DIFFERENCE_MINUEND_FLOW=890, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=842, PETRI_PLACES=411, PETRI_TRANSITIONS=310}
[2024-11-23 22:39:55,583 INFO L279 CegarLoopForPetriNet]: 417 programPoint places, -6 predicate places.
[2024-11-23 22:39:55,583 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 310 transitions, 842 flow
[2024-11-23 22:39:55,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1094.0) internal successors, (3282), 3 states have internal predecessors, (3282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:55,584 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:55,584 INFO L206 CegarLoopForPetriNet]: trace histogram [38, 38, 38, 38, 38, 38, 38, 37, 37, 37, 37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:55,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145
[2024-11-23 22:39:55,584 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 42 more)] ===
[2024-11-23 22:39:55,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:55,591 INFO L85 PathProgramCache]: Analyzing trace with hash 668047983, now seen corresponding path program 1 times
[2024-11-23 22:39:55,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:55,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343732479]
[2024-11-23 22:39:55,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:55,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:55,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:55,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:55,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343732479]
[2024-11-23 22:39:55,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343732479] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:55,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:55,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:39:55,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871601155]
[2024-11-23 22:39:55,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:55,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:39:55,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:55,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:39:55,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:39:56,078 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1204 out of 1441
[2024-11-23 22:39:56,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 310 transitions, 842 flow. Second operand has 5 states, 5 states have (on average 1213.4) internal successors, (6067), 5 states have internal predecessors, (6067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:56,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:56,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1204 of 1441
[2024-11-23 22:39:56,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:56,431 INFO L124 PetriNetUnfolderBase]: 0/798 cut-off events.
[2024-11-23 22:39:56,431 INFO L125 PetriNetUnfolderBase]: For 775/775 co-relation queries the response was YES.
[2024-11-23 22:39:56,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1072 conditions, 798 events. 0/798 cut-off events. For 775/775 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 471 event pairs, 0 based on Foata normal form. 1/798 useless extension candidates. Maximal degree in co-relation 0. Up to 119 conditions per place.
[2024-11-23 22:39:56,432 INFO L140 encePairwiseOnDemand]: 1436/1441 looper letters, 45 selfloop transitions, 2 changer transitions 3/312 dead transitions.
[2024-11-23 22:39:56,432 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 312 transitions, 946 flow
[2024-11-23 22:39:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:39:56,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:39:56,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6071 transitions.
[2024-11-23 22:39:56,436 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8426092990978488
[2024-11-23 22:39:56,436 INFO L175 Difference]: Start difference. First operand has 411 places, 310 transitions, 842 flow. Second operand 5 states and 6071 transitions.
[2024-11-23 22:39:56,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 312 transitions, 946 flow
[2024-11-23 22:39:56,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 312 transitions, 945 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:56,441 INFO L231 Difference]: Finished difference. Result has 391 places, 309 transitions, 847 flow
[2024-11-23 22:39:56,442 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1441, PETRI_DIFFERENCE_MINUEND_FLOW=841, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=847, PETRI_PLACES=391, PETRI_TRANSITIONS=309}
[2024-11-23 22:39:56,442 INFO L279 CegarLoopForPetriNet]: 417 programPoint places, -26 predicate places.
[2024-11-23 22:39:56,442 INFO L471 AbstractCegarLoop]: Abstraction has has 391 places, 309 transitions, 847 flow
[2024-11-23 22:39:56,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1213.4) internal successors, (6067), 5 states have internal predecessors, (6067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:56,443 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:56,444 INFO L206 CegarLoopForPetriNet]: trace histogram [38, 38, 38, 38, 38, 38, 38, 37, 37, 37, 37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:56,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146
[2024-11-23 22:39:56,444 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 42 more)] ===
[2024-11-23 22:39:56,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:56,450 INFO L85 PathProgramCache]: Analyzing trace with hash -2016636269, now seen corresponding path program 1 times
[2024-11-23 22:39:56,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:56,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160220638]
[2024-11-23 22:39:56,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:56,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:56,668 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:39:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:39:56,950 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:39:56,950 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:39:56,950 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 45 remaining)
[2024-11-23 22:39:56,950 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (43 of 45 remaining)
[2024-11-23 22:39:56,951 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (42 of 45 remaining)
[2024-11-23 22:39:56,951 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (41 of 45 remaining)
[2024-11-23 22:39:56,951 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (40 of 45 remaining)
[2024-11-23 22:39:56,951 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (39 of 45 remaining)
[2024-11-23 22:39:56,951 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 45 remaining)
[2024-11-23 22:39:56,951 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (37 of 45 remaining)
[2024-11-23 22:39:56,951 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (36 of 45 remaining)
[2024-11-23 22:39:56,951 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (35 of 45 remaining)
[2024-11-23 22:39:56,951 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (34 of 45 remaining)
[2024-11-23 22:39:56,951 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (33 of 45 remaining)
[2024-11-23 22:39:56,951 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (32 of 45 remaining)
[2024-11-23 22:39:56,951 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (31 of 45 remaining)
[2024-11-23 22:39:56,951 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 45 remaining)
[2024-11-23 22:39:56,951 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 45 remaining)
[2024-11-23 22:39:56,952 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 45 remaining)
[2024-11-23 22:39:56,952 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 45 remaining)
[2024-11-23 22:39:56,952 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 45 remaining)
[2024-11-23 22:39:56,952 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 45 remaining)
[2024-11-23 22:39:56,952 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 45 remaining)
[2024-11-23 22:39:56,952 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 45 remaining)
[2024-11-23 22:39:56,952 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 45 remaining)
[2024-11-23 22:39:56,952 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 45 remaining)
[2024-11-23 22:39:56,952 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 45 remaining)
[2024-11-23 22:39:56,952 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 45 remaining)
[2024-11-23 22:39:56,952 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 45 remaining)
[2024-11-23 22:39:56,952 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 45 remaining)
[2024-11-23 22:39:56,952 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 45 remaining)
[2024-11-23 22:39:56,952 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 45 remaining)
[2024-11-23 22:39:56,952 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 45 remaining)
[2024-11-23 22:39:56,953 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 45 remaining)
[2024-11-23 22:39:56,953 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 45 remaining)
[2024-11-23 22:39:56,953 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 45 remaining)
[2024-11-23 22:39:56,953 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 45 remaining)
[2024-11-23 22:39:56,953 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 45 remaining)
[2024-11-23 22:39:56,953 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 45 remaining)
[2024-11-23 22:39:56,953 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 45 remaining)
[2024-11-23 22:39:56,953 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 45 remaining)
[2024-11-23 22:39:56,953 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 45 remaining)
[2024-11-23 22:39:56,953 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 45 remaining)
[2024-11-23 22:39:56,953 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 45 remaining)
[2024-11-23 22:39:56,953 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 45 remaining)
[2024-11-23 22:39:56,953 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 45 remaining)
[2024-11-23 22:39:56,954 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 45 remaining)
[2024-11-23 22:39:56,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147
[2024-11-23 22:39:56,954 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:39:56,954 WARN L246 ceAbstractionStarter]: 37 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:39:56,954 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 38 thread instances.
[2024-11-23 22:39:57,161 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:39:57,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1477 places, 1478 transitions, 6072 flow
[2024-11-23 22:39:58,158 INFO L124 PetriNetUnfolderBase]: 197/2527 cut-off events.
[2024-11-23 22:39:58,158 INFO L125 PetriNetUnfolderBase]: For 9842/9842 co-relation queries the response was YES.
[2024-11-23 22:39:58,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3461 conditions, 2527 events. 197/2527 cut-off events. For 9842/9842 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 7271 event pairs, 0 based on Foata normal form. 0/2209 useless extension candidates. Maximal degree in co-relation 3384. Up to 78 conditions per place.
[2024-11-23 22:39:58,199 INFO L82 GeneralOperation]: Start removeDead. Operand has 1477 places, 1478 transitions, 6072 flow
[2024-11-23 22:39:58,205 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 426 places, 351 transitions, 2263 flow
[2024-11-23 22:39:58,206 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:39:58,206 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:39:58,206 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations.
[2024-11-23 22:39:58,209 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:39:58,209 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:39:58,209 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:39:58,209 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:58,209 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:58,209 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] ===
[2024-11-23 22:39:58,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:58,210 INFO L85 PathProgramCache]: Analyzing trace with hash -2094658906, now seen corresponding path program 1 times
[2024-11-23 22:39:58,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:58,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476236259]
[2024-11-23 22:39:58,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:58,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:58,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:58,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476236259]
[2024-11-23 22:39:58,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476236259] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:58,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:58,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:58,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110458523]
[2024-11-23 22:39:58,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:58,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:58,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:58,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:58,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:58,480 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1199 out of 1478
[2024-11-23 22:39:58,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 351 transitions, 2263 flow. Second operand has 3 states, 3 states have (on average 1200.3333333333333) internal successors, (3601), 3 states have internal predecessors, (3601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:58,482 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:58,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1199 of 1478
[2024-11-23 22:39:58,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:39:59,697 INFO L124 PetriNetUnfolderBase]: 79/1940 cut-off events.
[2024-11-23 22:39:59,697 INFO L125 PetriNetUnfolderBase]: For 10622/10622 co-relation queries the response was YES.
[2024-11-23 22:39:59,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3118 conditions, 1940 events. 79/1940 cut-off events. For 10622/10622 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 5304 event pairs, 39 based on Foata normal form. 79/1858 useless extension candidates. Maximal degree in co-relation 2979. Up to 279 conditions per place.
[2024-11-23 22:39:59,730 INFO L140 encePairwiseOnDemand]: 1472/1478 looper letters, 48 selfloop transitions, 2 changer transitions 1/347 dead transitions.
[2024-11-23 22:39:59,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 347 transitions, 2355 flow
[2024-11-23 22:39:59,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:39:59,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:39:59,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3651 transitions.
[2024-11-23 22:39:59,734 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8234100135317998
[2024-11-23 22:39:59,734 INFO L175 Difference]: Start difference. First operand has 426 places, 351 transitions, 2263 flow. Second operand 3 states and 3651 transitions.
[2024-11-23 22:39:59,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 347 transitions, 2355 flow
[2024-11-23 22:39:59,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 347 transitions, 1022 flow, removed 666 selfloop flow, removed 1 redundant places.
[2024-11-23 22:39:59,756 INFO L231 Difference]: Finished difference. Result has 426 places, 346 transitions, 924 flow
[2024-11-23 22:39:59,756 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1478, PETRI_DIFFERENCE_MINUEND_FLOW=922, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=924, PETRI_PLACES=426, PETRI_TRANSITIONS=346}
[2024-11-23 22:39:59,756 INFO L279 CegarLoopForPetriNet]: 426 programPoint places, 0 predicate places.
[2024-11-23 22:39:59,757 INFO L471 AbstractCegarLoop]: Abstraction has has 426 places, 346 transitions, 924 flow
[2024-11-23 22:39:59,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1200.3333333333333) internal successors, (3601), 3 states have internal predecessors, (3601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:59,757 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:39:59,757 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:39:59,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148
[2024-11-23 22:39:59,758 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] ===
[2024-11-23 22:39:59,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:39:59,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1305452046, now seen corresponding path program 1 times
[2024-11-23 22:39:59,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:39:59,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210052180]
[2024-11-23 22:39:59,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:39:59,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:39:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:39:59,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:39:59,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:39:59,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210052180]
[2024-11-23 22:39:59,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210052180] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:39:59,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:39:59,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:39:59,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031446467]
[2024-11-23 22:39:59,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:39:59,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:39:59,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:39:59,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:39:59,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:39:59,951 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1121 out of 1478
[2024-11-23 22:39:59,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 346 transitions, 924 flow. Second operand has 3 states, 3 states have (on average 1122.0) internal successors, (3366), 3 states have internal predecessors, (3366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:39:59,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:39:59,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1121 of 1478
[2024-11-23 22:39:59,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:00,648 INFO L124 PetriNetUnfolderBase]: 40/1741 cut-off events.
[2024-11-23 22:40:00,648 INFO L125 PetriNetUnfolderBase]: For 816/816 co-relation queries the response was YES.
[2024-11-23 22:40:00,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2176 conditions, 1741 events. 40/1741 cut-off events. For 816/816 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 3912 event pairs, 0 based on Foata normal form. 39/1701 useless extension candidates. Maximal degree in co-relation 2114. Up to 200 conditions per place.
[2024-11-23 22:40:00,670 INFO L140 encePairwiseOnDemand]: 1472/1478 looper letters, 46 selfloop transitions, 1 changer transitions 24/341 dead transitions.
[2024-11-23 22:40:00,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 341 transitions, 1012 flow
[2024-11-23 22:40:00,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:00,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:40:00,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3417 transitions.
[2024-11-23 22:40:00,673 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7706359945872802
[2024-11-23 22:40:00,673 INFO L175 Difference]: Start difference. First operand has 426 places, 346 transitions, 924 flow. Second operand 3 states and 3417 transitions.
[2024-11-23 22:40:00,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 422 places, 341 transitions, 1012 flow
[2024-11-23 22:40:00,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 341 transitions, 1008 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:40:00,678 INFO L231 Difference]: Finished difference. Result has 420 places, 317 transitions, 862 flow
[2024-11-23 22:40:00,679 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1478, PETRI_DIFFERENCE_MINUEND_FLOW=910, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=862, PETRI_PLACES=420, PETRI_TRANSITIONS=317}
[2024-11-23 22:40:00,679 INFO L279 CegarLoopForPetriNet]: 426 programPoint places, -6 predicate places.
[2024-11-23 22:40:00,679 INFO L471 AbstractCegarLoop]: Abstraction has has 420 places, 317 transitions, 862 flow
[2024-11-23 22:40:00,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1122.0) internal successors, (3366), 3 states have internal predecessors, (3366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:00,680 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:00,680 INFO L206 CegarLoopForPetriNet]: trace histogram [39, 39, 39, 39, 39, 39, 39, 38, 38, 38, 38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:00,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149
[2024-11-23 22:40:00,680 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] ===
[2024-11-23 22:40:00,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:00,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1198859786, now seen corresponding path program 1 times
[2024-11-23 22:40:00,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:00,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989054392]
[2024-11-23 22:40:00,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:00,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:00,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:00,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:00,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989054392]
[2024-11-23 22:40:00,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989054392] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:00,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:00,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:40:00,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831744663]
[2024-11-23 22:40:00,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:00,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:40:00,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:00,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:40:00,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:40:01,194 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1235 out of 1478
[2024-11-23 22:40:01,197 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 317 transitions, 862 flow. Second operand has 5 states, 5 states have (on average 1244.6) internal successors, (6223), 5 states have internal predecessors, (6223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:01,197 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:01,197 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1235 of 1478
[2024-11-23 22:40:01,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:01,697 INFO L124 PetriNetUnfolderBase]: 0/818 cut-off events.
[2024-11-23 22:40:01,697 INFO L125 PetriNetUnfolderBase]: For 815/815 co-relation queries the response was YES.
[2024-11-23 22:40:01,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1099 conditions, 818 events. 0/818 cut-off events. For 815/815 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 484 event pairs, 0 based on Foata normal form. 1/818 useless extension candidates. Maximal degree in co-relation 0. Up to 122 conditions per place.
[2024-11-23 22:40:01,698 INFO L140 encePairwiseOnDemand]: 1473/1478 looper letters, 46 selfloop transitions, 2 changer transitions 3/319 dead transitions.
[2024-11-23 22:40:01,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 319 transitions, 968 flow
[2024-11-23 22:40:01,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:40:01,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:40:01,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6227 transitions.
[2024-11-23 22:40:01,703 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8426251691474966
[2024-11-23 22:40:01,703 INFO L175 Difference]: Start difference. First operand has 420 places, 317 transitions, 862 flow. Second operand 5 states and 6227 transitions.
[2024-11-23 22:40:01,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 319 transitions, 968 flow
[2024-11-23 22:40:01,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 319 transitions, 967 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:40:01,707 INFO L231 Difference]: Finished difference. Result has 400 places, 316 transitions, 867 flow
[2024-11-23 22:40:01,708 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1478, PETRI_DIFFERENCE_MINUEND_FLOW=861, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=867, PETRI_PLACES=400, PETRI_TRANSITIONS=316}
[2024-11-23 22:40:01,708 INFO L279 CegarLoopForPetriNet]: 426 programPoint places, -26 predicate places.
[2024-11-23 22:40:01,708 INFO L471 AbstractCegarLoop]: Abstraction has has 400 places, 316 transitions, 867 flow
[2024-11-23 22:40:01,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1244.6) internal successors, (6223), 5 states have internal predecessors, (6223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:01,709 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:01,709 INFO L206 CegarLoopForPetriNet]: trace histogram [39, 39, 39, 39, 39, 39, 39, 38, 38, 38, 38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:01,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150
[2024-11-23 22:40:01,709 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] ===
[2024-11-23 22:40:01,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:01,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1222810580, now seen corresponding path program 1 times
[2024-11-23 22:40:01,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:01,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171094189]
[2024-11-23 22:40:01,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:01,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:40:01,803 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:40:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:40:02,131 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:40:02,132 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:40:02,132 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 46 remaining)
[2024-11-23 22:40:02,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining)
[2024-11-23 22:40:02,132 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining)
[2024-11-23 22:40:02,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining)
[2024-11-23 22:40:02,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining)
[2024-11-23 22:40:02,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining)
[2024-11-23 22:40:02,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 46 remaining)
[2024-11-23 22:40:02,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining)
[2024-11-23 22:40:02,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining)
[2024-11-23 22:40:02,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining)
[2024-11-23 22:40:02,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining)
[2024-11-23 22:40:02,133 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining)
[2024-11-23 22:40:02,134 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining)
[2024-11-23 22:40:02,134 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining)
[2024-11-23 22:40:02,134 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining)
[2024-11-23 22:40:02,134 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining)
[2024-11-23 22:40:02,134 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 46 remaining)
[2024-11-23 22:40:02,134 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 46 remaining)
[2024-11-23 22:40:02,134 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining)
[2024-11-23 22:40:02,134 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining)
[2024-11-23 22:40:02,134 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining)
[2024-11-23 22:40:02,134 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining)
[2024-11-23 22:40:02,134 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining)
[2024-11-23 22:40:02,134 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining)
[2024-11-23 22:40:02,134 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining)
[2024-11-23 22:40:02,134 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining)
[2024-11-23 22:40:02,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining)
[2024-11-23 22:40:02,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining)
[2024-11-23 22:40:02,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining)
[2024-11-23 22:40:02,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining)
[2024-11-23 22:40:02,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining)
[2024-11-23 22:40:02,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining)
[2024-11-23 22:40:02,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining)
[2024-11-23 22:40:02,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining)
[2024-11-23 22:40:02,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining)
[2024-11-23 22:40:02,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining)
[2024-11-23 22:40:02,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining)
[2024-11-23 22:40:02,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining)
[2024-11-23 22:40:02,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining)
[2024-11-23 22:40:02,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining)
[2024-11-23 22:40:02,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining)
[2024-11-23 22:40:02,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining)
[2024-11-23 22:40:02,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining)
[2024-11-23 22:40:02,136 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining)
[2024-11-23 22:40:02,136 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining)
[2024-11-23 22:40:02,136 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining)
[2024-11-23 22:40:02,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151
[2024-11-23 22:40:02,136 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:40:02,137 WARN L246 ceAbstractionStarter]: 38 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:40:02,137 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 39 thread instances.
[2024-11-23 22:40:02,405 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:40:02,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1514 places, 1515 transitions, 6306 flow
[2024-11-23 22:40:03,831 INFO L124 PetriNetUnfolderBase]: 202/2591 cut-off events.
[2024-11-23 22:40:03,831 INFO L125 PetriNetUnfolderBase]: For 10621/10621 co-relation queries the response was YES.
[2024-11-23 22:40:03,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3569 conditions, 2591 events. 202/2591 cut-off events. For 10621/10621 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 7571 event pairs, 0 based on Foata normal form. 0/2265 useless extension candidates. Maximal degree in co-relation 3490. Up to 80 conditions per place.
[2024-11-23 22:40:03,860 INFO L82 GeneralOperation]: Start removeDead. Operand has 1514 places, 1515 transitions, 6306 flow
[2024-11-23 22:40:03,866 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 435 places, 358 transitions, 2357 flow
[2024-11-23 22:40:03,867 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:40:03,867 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:40:03,867 INFO L334 AbstractCegarLoop]: Starting to check reachability of 47 error locations.
[2024-11-23 22:40:03,869 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:40:03,869 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:40:03,869 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:40:03,869 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:03,869 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:03,869 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 44 more)] ===
[2024-11-23 22:40:03,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:03,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1822971302, now seen corresponding path program 1 times
[2024-11-23 22:40:03,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:03,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397762749]
[2024-11-23 22:40:03,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:03,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:03,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:03,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:03,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397762749]
[2024-11-23 22:40:03,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397762749] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:03,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:03,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:03,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679443528]
[2024-11-23 22:40:03,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:03,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:03,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:03,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:03,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:04,159 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1229 out of 1515
[2024-11-23 22:40:04,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 358 transitions, 2357 flow. Second operand has 3 states, 3 states have (on average 1230.3333333333333) internal successors, (3691), 3 states have internal predecessors, (3691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:04,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:04,162 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1229 of 1515
[2024-11-23 22:40:04,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:05,129 INFO L124 PetriNetUnfolderBase]: 81/1989 cut-off events.
[2024-11-23 22:40:05,130 INFO L125 PetriNetUnfolderBase]: For 11441/11441 co-relation queries the response was YES.
[2024-11-23 22:40:05,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3217 conditions, 1989 events. 81/1989 cut-off events. For 11441/11441 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 5432 event pairs, 40 based on Foata normal form. 81/1905 useless extension candidates. Maximal degree in co-relation 3076. Up to 286 conditions per place.
[2024-11-23 22:40:05,169 INFO L140 encePairwiseOnDemand]: 1509/1515 looper letters, 49 selfloop transitions, 2 changer transitions 1/354 dead transitions.
[2024-11-23 22:40:05,169 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 354 transitions, 2451 flow
[2024-11-23 22:40:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:05,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:40:05,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3742 transitions.
[2024-11-23 22:40:05,172 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8233223322332234
[2024-11-23 22:40:05,172 INFO L175 Difference]: Start difference. First operand has 435 places, 358 transitions, 2357 flow. Second operand 3 states and 3742 transitions.
[2024-11-23 22:40:05,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 354 transitions, 2451 flow
[2024-11-23 22:40:05,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 354 transitions, 1044 flow, removed 703 selfloop flow, removed 1 redundant places.
[2024-11-23 22:40:05,333 INFO L231 Difference]: Finished difference. Result has 435 places, 353 transitions, 944 flow
[2024-11-23 22:40:05,333 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1515, PETRI_DIFFERENCE_MINUEND_FLOW=942, PETRI_DIFFERENCE_MINUEND_PLACES=433, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=944, PETRI_PLACES=435, PETRI_TRANSITIONS=353}
[2024-11-23 22:40:05,334 INFO L279 CegarLoopForPetriNet]: 435 programPoint places, 0 predicate places.
[2024-11-23 22:40:05,334 INFO L471 AbstractCegarLoop]: Abstraction has has 435 places, 353 transitions, 944 flow
[2024-11-23 22:40:05,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1230.3333333333333) internal successors, (3691), 3 states have internal predecessors, (3691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:05,335 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:05,335 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:05,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152
[2024-11-23 22:40:05,336 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 44 more)] ===
[2024-11-23 22:40:05,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:05,337 INFO L85 PathProgramCache]: Analyzing trace with hash -906228786, now seen corresponding path program 1 times
[2024-11-23 22:40:05,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:05,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672076168]
[2024-11-23 22:40:05,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:05,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:05,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:05,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:05,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672076168]
[2024-11-23 22:40:05,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672076168] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:05,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:05,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:05,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509696201]
[2024-11-23 22:40:05,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:05,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:05,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:05,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:05,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:05,645 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1149 out of 1515
[2024-11-23 22:40:05,648 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 353 transitions, 944 flow. Second operand has 3 states, 3 states have (on average 1150.0) internal successors, (3450), 3 states have internal predecessors, (3450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:05,648 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:05,648 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1149 of 1515
[2024-11-23 22:40:05,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:06,945 INFO L124 PetriNetUnfolderBase]: 41/1785 cut-off events.
[2024-11-23 22:40:06,945 INFO L125 PetriNetUnfolderBase]: For 857/857 co-relation queries the response was YES.
[2024-11-23 22:40:06,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2231 conditions, 1785 events. 41/1785 cut-off events. For 857/857 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4013 event pairs, 0 based on Foata normal form. 40/1744 useless extension candidates. Maximal degree in co-relation 2168. Up to 205 conditions per place.
[2024-11-23 22:40:06,970 INFO L140 encePairwiseOnDemand]: 1509/1515 looper letters, 47 selfloop transitions, 1 changer transitions 24/348 dead transitions.
[2024-11-23 22:40:06,970 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 348 transitions, 1034 flow
[2024-11-23 22:40:06,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:06,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:40:06,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3502 transitions.
[2024-11-23 22:40:06,974 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7705170517051705
[2024-11-23 22:40:06,975 INFO L175 Difference]: Start difference. First operand has 435 places, 353 transitions, 944 flow. Second operand 3 states and 3502 transitions.
[2024-11-23 22:40:06,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 431 places, 348 transitions, 1034 flow
[2024-11-23 22:40:06,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 429 places, 348 transitions, 1030 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:40:06,981 INFO L231 Difference]: Finished difference. Result has 429 places, 324 transitions, 882 flow
[2024-11-23 22:40:06,981 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1515, PETRI_DIFFERENCE_MINUEND_FLOW=930, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=429, PETRI_TRANSITIONS=324}
[2024-11-23 22:40:06,981 INFO L279 CegarLoopForPetriNet]: 435 programPoint places, -6 predicate places.
[2024-11-23 22:40:06,981 INFO L471 AbstractCegarLoop]: Abstraction has has 429 places, 324 transitions, 882 flow
[2024-11-23 22:40:06,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1150.0) internal successors, (3450), 3 states have internal predecessors, (3450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:06,982 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:06,982 INFO L206 CegarLoopForPetriNet]: trace histogram [40, 40, 40, 40, 40, 40, 40, 39, 39, 39, 39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:06,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153
[2024-11-23 22:40:06,982 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 44 more)] ===
[2024-11-23 22:40:06,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:06,990 INFO L85 PathProgramCache]: Analyzing trace with hash 218133451, now seen corresponding path program 1 times
[2024-11-23 22:40:06,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:06,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466053136]
[2024-11-23 22:40:06,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:06,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:07,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:07,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:07,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466053136]
[2024-11-23 22:40:07,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466053136] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:07,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:07,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:40:07,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286669928]
[2024-11-23 22:40:07,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:07,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:40:07,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:07,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:40:07,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:40:07,602 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1266 out of 1515
[2024-11-23 22:40:07,604 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 324 transitions, 882 flow. Second operand has 5 states, 5 states have (on average 1275.8) internal successors, (6379), 5 states have internal predecessors, (6379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:07,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:07,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1266 of 1515
[2024-11-23 22:40:07,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:08,033 INFO L124 PetriNetUnfolderBase]: 0/838 cut-off events.
[2024-11-23 22:40:08,034 INFO L125 PetriNetUnfolderBase]: For 856/856 co-relation queries the response was YES.
[2024-11-23 22:40:08,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1126 conditions, 838 events. 0/838 cut-off events. For 856/856 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 495 event pairs, 0 based on Foata normal form. 1/838 useless extension candidates. Maximal degree in co-relation 0. Up to 125 conditions per place.
[2024-11-23 22:40:08,035 INFO L140 encePairwiseOnDemand]: 1510/1515 looper letters, 47 selfloop transitions, 2 changer transitions 3/326 dead transitions.
[2024-11-23 22:40:08,035 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 326 transitions, 990 flow
[2024-11-23 22:40:08,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:40:08,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:40:08,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6383 transitions.
[2024-11-23 22:40:08,039 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8426402640264027
[2024-11-23 22:40:08,039 INFO L175 Difference]: Start difference. First operand has 429 places, 324 transitions, 882 flow. Second operand 5 states and 6383 transitions.
[2024-11-23 22:40:08,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 326 transitions, 990 flow
[2024-11-23 22:40:08,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 407 places, 326 transitions, 989 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:40:08,044 INFO L231 Difference]: Finished difference. Result has 409 places, 323 transitions, 887 flow
[2024-11-23 22:40:08,044 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1515, PETRI_DIFFERENCE_MINUEND_FLOW=881, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=887, PETRI_PLACES=409, PETRI_TRANSITIONS=323}
[2024-11-23 22:40:08,044 INFO L279 CegarLoopForPetriNet]: 435 programPoint places, -26 predicate places.
[2024-11-23 22:40:08,044 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 323 transitions, 887 flow
[2024-11-23 22:40:08,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1275.8) internal successors, (6379), 5 states have internal predecessors, (6379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:08,046 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:08,046 INFO L206 CegarLoopForPetriNet]: trace histogram [40, 40, 40, 40, 40, 40, 40, 39, 39, 39, 39, 39, 39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:08,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154
[2024-11-23 22:40:08,046 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 44 more)] ===
[2024-11-23 22:40:08,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:08,050 INFO L85 PathProgramCache]: Analyzing trace with hash 595429310, now seen corresponding path program 1 times
[2024-11-23 22:40:08,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:08,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737599293]
[2024-11-23 22:40:08,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:08,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:40:08,185 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:40:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:40:08,692 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:40:08,692 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:40:08,692 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (46 of 47 remaining)
[2024-11-23 22:40:08,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (45 of 47 remaining)
[2024-11-23 22:40:08,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (44 of 47 remaining)
[2024-11-23 22:40:08,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (43 of 47 remaining)
[2024-11-23 22:40:08,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (42 of 47 remaining)
[2024-11-23 22:40:08,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (41 of 47 remaining)
[2024-11-23 22:40:08,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (40 of 47 remaining)
[2024-11-23 22:40:08,692 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (39 of 47 remaining)
[2024-11-23 22:40:08,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (38 of 47 remaining)
[2024-11-23 22:40:08,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (37 of 47 remaining)
[2024-11-23 22:40:08,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (36 of 47 remaining)
[2024-11-23 22:40:08,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (35 of 47 remaining)
[2024-11-23 22:40:08,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (34 of 47 remaining)
[2024-11-23 22:40:08,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (33 of 47 remaining)
[2024-11-23 22:40:08,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (32 of 47 remaining)
[2024-11-23 22:40:08,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (31 of 47 remaining)
[2024-11-23 22:40:08,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 47 remaining)
[2024-11-23 22:40:08,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 47 remaining)
[2024-11-23 22:40:08,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 47 remaining)
[2024-11-23 22:40:08,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 47 remaining)
[2024-11-23 22:40:08,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 47 remaining)
[2024-11-23 22:40:08,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 47 remaining)
[2024-11-23 22:40:08,693 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 47 remaining)
[2024-11-23 22:40:08,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 47 remaining)
[2024-11-23 22:40:08,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 47 remaining)
[2024-11-23 22:40:08,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 47 remaining)
[2024-11-23 22:40:08,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 47 remaining)
[2024-11-23 22:40:08,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 47 remaining)
[2024-11-23 22:40:08,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 47 remaining)
[2024-11-23 22:40:08,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 47 remaining)
[2024-11-23 22:40:08,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 47 remaining)
[2024-11-23 22:40:08,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 47 remaining)
[2024-11-23 22:40:08,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 47 remaining)
[2024-11-23 22:40:08,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 47 remaining)
[2024-11-23 22:40:08,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 47 remaining)
[2024-11-23 22:40:08,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 47 remaining)
[2024-11-23 22:40:08,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 47 remaining)
[2024-11-23 22:40:08,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 47 remaining)
[2024-11-23 22:40:08,694 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 47 remaining)
[2024-11-23 22:40:08,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 47 remaining)
[2024-11-23 22:40:08,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 47 remaining)
[2024-11-23 22:40:08,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 47 remaining)
[2024-11-23 22:40:08,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 47 remaining)
[2024-11-23 22:40:08,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 47 remaining)
[2024-11-23 22:40:08,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 47 remaining)
[2024-11-23 22:40:08,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 47 remaining)
[2024-11-23 22:40:08,695 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 47 remaining)
[2024-11-23 22:40:08,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155
[2024-11-23 22:40:08,695 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:40:08,696 WARN L246 ceAbstractionStarter]: 39 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:40:08,696 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 40 thread instances.
[2024-11-23 22:40:08,919 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:40:08,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1551 places, 1552 transitions, 6544 flow
[2024-11-23 22:40:10,133 INFO L124 PetriNetUnfolderBase]: 207/2655 cut-off events.
[2024-11-23 22:40:10,133 INFO L125 PetriNetUnfolderBase]: For 11440/11440 co-relation queries the response was YES.
[2024-11-23 22:40:10,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3678 conditions, 2655 events. 207/2655 cut-off events. For 11440/11440 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 7586 event pairs, 0 based on Foata normal form. 0/2321 useless extension candidates. Maximal degree in co-relation 3597. Up to 82 conditions per place.
[2024-11-23 22:40:10,166 INFO L82 GeneralOperation]: Start removeDead. Operand has 1551 places, 1552 transitions, 6544 flow
[2024-11-23 22:40:10,172 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 444 places, 365 transitions, 2453 flow
[2024-11-23 22:40:10,173 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:40:10,173 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:40:10,173 INFO L334 AbstractCegarLoop]: Starting to check reachability of 48 error locations.
[2024-11-23 22:40:10,174 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:40:10,175 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:40:10,175 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:40:10,175 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:10,175 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:10,175 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 45 more)] ===
[2024-11-23 22:40:10,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:10,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1396729254, now seen corresponding path program 1 times
[2024-11-23 22:40:10,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:10,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824666429]
[2024-11-23 22:40:10,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:10,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:10,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:10,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:10,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824666429]
[2024-11-23 22:40:10,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824666429] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:10,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:10,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:10,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488723576]
[2024-11-23 22:40:10,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:10,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:10,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:10,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:10,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:10,433 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1259 out of 1552
[2024-11-23 22:40:10,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 365 transitions, 2453 flow. Second operand has 3 states, 3 states have (on average 1260.3333333333333) internal successors, (3781), 3 states have internal predecessors, (3781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:10,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:10,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1259 of 1552
[2024-11-23 22:40:10,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:11,418 INFO L124 PetriNetUnfolderBase]: 83/2038 cut-off events.
[2024-11-23 22:40:11,418 INFO L125 PetriNetUnfolderBase]: For 12301/12301 co-relation queries the response was YES.
[2024-11-23 22:40:11,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3317 conditions, 2038 events. 83/2038 cut-off events. For 12301/12301 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 5367 event pairs, 41 based on Foata normal form. 42/1911 useless extension candidates. Maximal degree in co-relation 3174. Up to 293 conditions per place.
[2024-11-23 22:40:11,451 INFO L140 encePairwiseOnDemand]: 1546/1552 looper letters, 50 selfloop transitions, 2 changer transitions 1/361 dead transitions.
[2024-11-23 22:40:11,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 445 places, 361 transitions, 2549 flow
[2024-11-23 22:40:11,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:11,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:40:11,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3833 transitions.
[2024-11-23 22:40:11,454 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8232388316151202
[2024-11-23 22:40:11,454 INFO L175 Difference]: Start difference. First operand has 444 places, 365 transitions, 2453 flow. Second operand 3 states and 3833 transitions.
[2024-11-23 22:40:11,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 445 places, 361 transitions, 2549 flow
[2024-11-23 22:40:11,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 361 transitions, 1066 flow, removed 741 selfloop flow, removed 1 redundant places.
[2024-11-23 22:40:11,481 INFO L231 Difference]: Finished difference. Result has 444 places, 360 transitions, 964 flow
[2024-11-23 22:40:11,482 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1552, PETRI_DIFFERENCE_MINUEND_FLOW=962, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=964, PETRI_PLACES=444, PETRI_TRANSITIONS=360}
[2024-11-23 22:40:11,482 INFO L279 CegarLoopForPetriNet]: 444 programPoint places, 0 predicate places.
[2024-11-23 22:40:11,482 INFO L471 AbstractCegarLoop]: Abstraction has has 444 places, 360 transitions, 964 flow
[2024-11-23 22:40:11,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1260.3333333333333) internal successors, (3781), 3 states have internal predecessors, (3781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:11,483 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:11,483 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:11,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156
[2024-11-23 22:40:11,483 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 45 more)] ===
[2024-11-23 22:40:11,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:11,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1998250034, now seen corresponding path program 1 times
[2024-11-23 22:40:11,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:11,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636845976]
[2024-11-23 22:40:11,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:11,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:11,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:11,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:11,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636845976]
[2024-11-23 22:40:11,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636845976] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:11,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:11,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:11,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312415614]
[2024-11-23 22:40:11,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:11,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:11,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:11,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:11,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:11,689 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1177 out of 1552
[2024-11-23 22:40:11,691 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 360 transitions, 964 flow. Second operand has 3 states, 3 states have (on average 1178.0) internal successors, (3534), 3 states have internal predecessors, (3534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:11,691 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:11,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1177 of 1552
[2024-11-23 22:40:11,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:12,678 INFO L124 PetriNetUnfolderBase]: 42/1829 cut-off events.
[2024-11-23 22:40:12,679 INFO L125 PetriNetUnfolderBase]: For 899/899 co-relation queries the response was YES.
[2024-11-23 22:40:12,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2286 conditions, 1829 events. 42/1829 cut-off events. For 899/899 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4034 event pairs, 0 based on Foata normal form. 41/1787 useless extension candidates. Maximal degree in co-relation 2222. Up to 210 conditions per place.
[2024-11-23 22:40:12,706 INFO L140 encePairwiseOnDemand]: 1546/1552 looper letters, 48 selfloop transitions, 1 changer transitions 24/355 dead transitions.
[2024-11-23 22:40:12,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 355 transitions, 1056 flow
[2024-11-23 22:40:12,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:12,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:40:12,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3587 transitions.
[2024-11-23 22:40:12,710 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7704037800687286
[2024-11-23 22:40:12,711 INFO L175 Difference]: Start difference. First operand has 444 places, 360 transitions, 964 flow. Second operand 3 states and 3587 transitions.
[2024-11-23 22:40:12,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 355 transitions, 1056 flow
[2024-11-23 22:40:12,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 355 transitions, 1052 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:40:12,720 INFO L231 Difference]: Finished difference. Result has 438 places, 331 transitions, 902 flow
[2024-11-23 22:40:12,720 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1552, PETRI_DIFFERENCE_MINUEND_FLOW=950, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=902, PETRI_PLACES=438, PETRI_TRANSITIONS=331}
[2024-11-23 22:40:12,721 INFO L279 CegarLoopForPetriNet]: 444 programPoint places, -6 predicate places.
[2024-11-23 22:40:12,721 INFO L471 AbstractCegarLoop]: Abstraction has has 438 places, 331 transitions, 902 flow
[2024-11-23 22:40:12,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1178.0) internal successors, (3534), 3 states have internal predecessors, (3534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:12,723 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:12,724 INFO L206 CegarLoopForPetriNet]: trace histogram [41, 41, 41, 41, 41, 41, 41, 40, 40, 40, 40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:12,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157
[2024-11-23 22:40:12,724 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 45 more)] ===
[2024-11-23 22:40:12,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:12,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1204955122, now seen corresponding path program 1 times
[2024-11-23 22:40:12,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:12,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762385937]
[2024-11-23 22:40:12,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:12,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:13,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:13,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:13,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762385937]
[2024-11-23 22:40:13,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762385937] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:13,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:13,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:40:13,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635000858]
[2024-11-23 22:40:13,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:13,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:40:13,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:13,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:40:13,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:40:13,623 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1297 out of 1552
[2024-11-23 22:40:13,627 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 331 transitions, 902 flow. Second operand has 5 states, 5 states have (on average 1307.0) internal successors, (6535), 5 states have internal predecessors, (6535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:13,627 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:13,627 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1297 of 1552
[2024-11-23 22:40:13,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:14,094 INFO L124 PetriNetUnfolderBase]: 0/858 cut-off events.
[2024-11-23 22:40:14,095 INFO L125 PetriNetUnfolderBase]: For 898/898 co-relation queries the response was YES.
[2024-11-23 22:40:14,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1153 conditions, 858 events. 0/858 cut-off events. For 898/898 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 508 event pairs, 0 based on Foata normal form. 1/858 useless extension candidates. Maximal degree in co-relation 0. Up to 128 conditions per place.
[2024-11-23 22:40:14,095 INFO L140 encePairwiseOnDemand]: 1547/1552 looper letters, 48 selfloop transitions, 2 changer transitions 3/333 dead transitions.
[2024-11-23 22:40:14,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 333 transitions, 1012 flow
[2024-11-23 22:40:14,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:40:14,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:40:14,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6539 transitions.
[2024-11-23 22:40:14,099 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8426546391752577
[2024-11-23 22:40:14,099 INFO L175 Difference]: Start difference. First operand has 438 places, 331 transitions, 902 flow. Second operand 5 states and 6539 transitions.
[2024-11-23 22:40:14,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 333 transitions, 1012 flow
[2024-11-23 22:40:14,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 333 transitions, 1011 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:40:14,104 INFO L231 Difference]: Finished difference. Result has 418 places, 330 transitions, 907 flow
[2024-11-23 22:40:14,105 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1552, PETRI_DIFFERENCE_MINUEND_FLOW=901, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=907, PETRI_PLACES=418, PETRI_TRANSITIONS=330}
[2024-11-23 22:40:14,105 INFO L279 CegarLoopForPetriNet]: 444 programPoint places, -26 predicate places.
[2024-11-23 22:40:14,105 INFO L471 AbstractCegarLoop]: Abstraction has has 418 places, 330 transitions, 907 flow
[2024-11-23 22:40:14,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1307.0) internal successors, (6535), 5 states have internal predecessors, (6535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:14,107 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:14,107 INFO L206 CegarLoopForPetriNet]: trace histogram [41, 41, 41, 41, 41, 41, 41, 40, 40, 40, 40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:14,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158
[2024-11-23 22:40:14,107 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 45 more)] ===
[2024-11-23 22:40:14,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:14,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1890202801, now seen corresponding path program 1 times
[2024-11-23 22:40:14,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:14,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810526118]
[2024-11-23 22:40:14,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:14,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:40:14,215 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:40:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:40:14,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:40:14,507 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:40:14,507 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 48 remaining)
[2024-11-23 22:40:14,507 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (46 of 48 remaining)
[2024-11-23 22:40:14,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (45 of 48 remaining)
[2024-11-23 22:40:14,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (44 of 48 remaining)
[2024-11-23 22:40:14,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (43 of 48 remaining)
[2024-11-23 22:40:14,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (42 of 48 remaining)
[2024-11-23 22:40:14,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 48 remaining)
[2024-11-23 22:40:14,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (40 of 48 remaining)
[2024-11-23 22:40:14,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (39 of 48 remaining)
[2024-11-23 22:40:14,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (38 of 48 remaining)
[2024-11-23 22:40:14,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (37 of 48 remaining)
[2024-11-23 22:40:14,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (36 of 48 remaining)
[2024-11-23 22:40:14,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (35 of 48 remaining)
[2024-11-23 22:40:14,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (34 of 48 remaining)
[2024-11-23 22:40:14,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (33 of 48 remaining)
[2024-11-23 22:40:14,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (32 of 48 remaining)
[2024-11-23 22:40:14,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (31 of 48 remaining)
[2024-11-23 22:40:14,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 48 remaining)
[2024-11-23 22:40:14,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 48 remaining)
[2024-11-23 22:40:14,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 48 remaining)
[2024-11-23 22:40:14,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 48 remaining)
[2024-11-23 22:40:14,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 48 remaining)
[2024-11-23 22:40:14,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 48 remaining)
[2024-11-23 22:40:14,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 48 remaining)
[2024-11-23 22:40:14,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 48 remaining)
[2024-11-23 22:40:14,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 48 remaining)
[2024-11-23 22:40:14,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 48 remaining)
[2024-11-23 22:40:14,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 48 remaining)
[2024-11-23 22:40:14,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 48 remaining)
[2024-11-23 22:40:14,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 48 remaining)
[2024-11-23 22:40:14,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 48 remaining)
[2024-11-23 22:40:14,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 48 remaining)
[2024-11-23 22:40:14,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 48 remaining)
[2024-11-23 22:40:14,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 48 remaining)
[2024-11-23 22:40:14,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 48 remaining)
[2024-11-23 22:40:14,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 48 remaining)
[2024-11-23 22:40:14,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 48 remaining)
[2024-11-23 22:40:14,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 48 remaining)
[2024-11-23 22:40:14,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 48 remaining)
[2024-11-23 22:40:14,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 48 remaining)
[2024-11-23 22:40:14,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 48 remaining)
[2024-11-23 22:40:14,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 48 remaining)
[2024-11-23 22:40:14,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 48 remaining)
[2024-11-23 22:40:14,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 48 remaining)
[2024-11-23 22:40:14,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 48 remaining)
[2024-11-23 22:40:14,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 48 remaining)
[2024-11-23 22:40:14,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 48 remaining)
[2024-11-23 22:40:14,511 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 48 remaining)
[2024-11-23 22:40:14,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159
[2024-11-23 22:40:14,511 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:40:14,511 WARN L246 ceAbstractionStarter]: 40 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:40:14,511 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 41 thread instances.
[2024-11-23 22:40:14,742 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:40:14,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1588 places, 1589 transitions, 6786 flow
[2024-11-23 22:40:16,051 INFO L124 PetriNetUnfolderBase]: 212/2719 cut-off events.
[2024-11-23 22:40:16,051 INFO L125 PetriNetUnfolderBase]: For 12300/12300 co-relation queries the response was YES.
[2024-11-23 22:40:16,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3788 conditions, 2719 events. 212/2719 cut-off events. For 12300/12300 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 7798 event pairs, 0 based on Foata normal form. 0/2377 useless extension candidates. Maximal degree in co-relation 3705. Up to 84 conditions per place.
[2024-11-23 22:40:16,082 INFO L82 GeneralOperation]: Start removeDead. Operand has 1588 places, 1589 transitions, 6786 flow
[2024-11-23 22:40:16,089 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 453 places, 372 transitions, 2551 flow
[2024-11-23 22:40:16,089 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:40:16,089 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:40:16,090 INFO L334 AbstractCegarLoop]: Starting to check reachability of 49 error locations.
[2024-11-23 22:40:16,091 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:40:16,091 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:40:16,091 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:40:16,091 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:16,091 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:16,091 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 46 more)] ===
[2024-11-23 22:40:16,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:16,092 INFO L85 PathProgramCache]: Analyzing trace with hash 921582246, now seen corresponding path program 1 times
[2024-11-23 22:40:16,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:16,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414860496]
[2024-11-23 22:40:16,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:16,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:16,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:16,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:16,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414860496]
[2024-11-23 22:40:16,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414860496] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:16,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:16,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:16,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58482978]
[2024-11-23 22:40:16,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:16,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:16,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:16,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:16,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:16,400 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1289 out of 1589
[2024-11-23 22:40:16,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 372 transitions, 2551 flow. Second operand has 3 states, 3 states have (on average 1290.3333333333333) internal successors, (3871), 3 states have internal predecessors, (3871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:16,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:16,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1289 of 1589
[2024-11-23 22:40:16,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:17,337 INFO L124 PetriNetUnfolderBase]: 85/2087 cut-off events.
[2024-11-23 22:40:17,337 INFO L125 PetriNetUnfolderBase]: For 13203/13203 co-relation queries the response was YES.
[2024-11-23 22:40:17,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3418 conditions, 2087 events. 85/2087 cut-off events. For 13203/13203 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 5540 event pairs, 42 based on Foata normal form. 43/1957 useless extension candidates. Maximal degree in co-relation 3273. Up to 300 conditions per place.
[2024-11-23 22:40:17,372 INFO L140 encePairwiseOnDemand]: 1583/1589 looper letters, 51 selfloop transitions, 2 changer transitions 1/368 dead transitions.
[2024-11-23 22:40:17,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 368 transitions, 2649 flow
[2024-11-23 22:40:17,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:17,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:40:17,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3924 transitions.
[2024-11-23 22:40:17,375 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8231592196349906
[2024-11-23 22:40:17,376 INFO L175 Difference]: Start difference. First operand has 453 places, 372 transitions, 2551 flow. Second operand 3 states and 3924 transitions.
[2024-11-23 22:40:17,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 368 transitions, 2649 flow
[2024-11-23 22:40:17,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 368 transitions, 1088 flow, removed 780 selfloop flow, removed 1 redundant places.
[2024-11-23 22:40:17,403 INFO L231 Difference]: Finished difference. Result has 453 places, 367 transitions, 984 flow
[2024-11-23 22:40:17,403 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1589, PETRI_DIFFERENCE_MINUEND_FLOW=982, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=984, PETRI_PLACES=453, PETRI_TRANSITIONS=367}
[2024-11-23 22:40:17,404 INFO L279 CegarLoopForPetriNet]: 453 programPoint places, 0 predicate places.
[2024-11-23 22:40:17,404 INFO L471 AbstractCegarLoop]: Abstraction has has 453 places, 367 transitions, 984 flow
[2024-11-23 22:40:17,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1290.3333333333333) internal successors, (3871), 3 states have internal predecessors, (3871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:17,404 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:17,404 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:17,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160
[2024-11-23 22:40:17,405 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 46 more)] ===
[2024-11-23 22:40:17,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:17,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1970611698, now seen corresponding path program 1 times
[2024-11-23 22:40:17,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:17,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806957618]
[2024-11-23 22:40:17,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:17,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:17,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:17,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:17,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806957618]
[2024-11-23 22:40:17,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806957618] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:17,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:17,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:17,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370257430]
[2024-11-23 22:40:17,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:17,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:17,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:17,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:17,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:17,625 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1205 out of 1589
[2024-11-23 22:40:17,627 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 367 transitions, 984 flow. Second operand has 3 states, 3 states have (on average 1206.0) internal successors, (3618), 3 states have internal predecessors, (3618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:17,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:17,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1205 of 1589
[2024-11-23 22:40:17,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:18,451 INFO L124 PetriNetUnfolderBase]: 43/1873 cut-off events.
[2024-11-23 22:40:18,451 INFO L125 PetriNetUnfolderBase]: For 942/942 co-relation queries the response was YES.
[2024-11-23 22:40:18,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2341 conditions, 1873 events. 43/1873 cut-off events. For 942/942 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4133 event pairs, 0 based on Foata normal form. 42/1830 useless extension candidates. Maximal degree in co-relation 2276. Up to 215 conditions per place.
[2024-11-23 22:40:18,483 INFO L140 encePairwiseOnDemand]: 1583/1589 looper letters, 49 selfloop transitions, 1 changer transitions 24/362 dead transitions.
[2024-11-23 22:40:18,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 362 transitions, 1078 flow
[2024-11-23 22:40:18,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:18,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:40:18,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3672 transitions.
[2024-11-23 22:40:18,486 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7702957835116425
[2024-11-23 22:40:18,486 INFO L175 Difference]: Start difference. First operand has 453 places, 367 transitions, 984 flow. Second operand 3 states and 3672 transitions.
[2024-11-23 22:40:18,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 362 transitions, 1078 flow
[2024-11-23 22:40:18,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 362 transitions, 1074 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:40:18,492 INFO L231 Difference]: Finished difference. Result has 447 places, 338 transitions, 922 flow
[2024-11-23 22:40:18,492 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1589, PETRI_DIFFERENCE_MINUEND_FLOW=970, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=922, PETRI_PLACES=447, PETRI_TRANSITIONS=338}
[2024-11-23 22:40:18,492 INFO L279 CegarLoopForPetriNet]: 453 programPoint places, -6 predicate places.
[2024-11-23 22:40:18,492 INFO L471 AbstractCegarLoop]: Abstraction has has 447 places, 338 transitions, 922 flow
[2024-11-23 22:40:18,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1206.0) internal successors, (3618), 3 states have internal predecessors, (3618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:18,493 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:18,493 INFO L206 CegarLoopForPetriNet]: trace histogram [42, 42, 42, 42, 42, 42, 42, 41, 41, 41, 41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:18,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161
[2024-11-23 22:40:18,493 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 46 more)] ===
[2024-11-23 22:40:18,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:18,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1247054113, now seen corresponding path program 1 times
[2024-11-23 22:40:18,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:18,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300192782]
[2024-11-23 22:40:18,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:18,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:18,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:18,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:18,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300192782]
[2024-11-23 22:40:18,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300192782] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:18,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:18,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:40:18,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679580769]
[2024-11-23 22:40:18,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:18,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:40:18,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:18,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:40:18,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:40:18,986 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1328 out of 1589
[2024-11-23 22:40:18,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 338 transitions, 922 flow. Second operand has 5 states, 5 states have (on average 1338.2) internal successors, (6691), 5 states have internal predecessors, (6691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:18,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:18,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1328 of 1589
[2024-11-23 22:40:18,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:19,455 INFO L124 PetriNetUnfolderBase]: 0/878 cut-off events.
[2024-11-23 22:40:19,455 INFO L125 PetriNetUnfolderBase]: For 941/941 co-relation queries the response was YES.
[2024-11-23 22:40:19,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1180 conditions, 878 events. 0/878 cut-off events. For 941/941 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 519 event pairs, 0 based on Foata normal form. 1/878 useless extension candidates. Maximal degree in co-relation 0. Up to 131 conditions per place.
[2024-11-23 22:40:19,457 INFO L140 encePairwiseOnDemand]: 1584/1589 looper letters, 49 selfloop transitions, 2 changer transitions 3/340 dead transitions.
[2024-11-23 22:40:19,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 340 transitions, 1034 flow
[2024-11-23 22:40:19,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:40:19,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:40:19,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6695 transitions.
[2024-11-23 22:40:19,461 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8426683448709881
[2024-11-23 22:40:19,461 INFO L175 Difference]: Start difference. First operand has 447 places, 338 transitions, 922 flow. Second operand 5 states and 6695 transitions.
[2024-11-23 22:40:19,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 340 transitions, 1034 flow
[2024-11-23 22:40:19,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 340 transitions, 1033 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:40:19,466 INFO L231 Difference]: Finished difference. Result has 427 places, 337 transitions, 927 flow
[2024-11-23 22:40:19,466 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1589, PETRI_DIFFERENCE_MINUEND_FLOW=921, PETRI_DIFFERENCE_MINUEND_PLACES=421, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=927, PETRI_PLACES=427, PETRI_TRANSITIONS=337}
[2024-11-23 22:40:19,466 INFO L279 CegarLoopForPetriNet]: 453 programPoint places, -26 predicate places.
[2024-11-23 22:40:19,466 INFO L471 AbstractCegarLoop]: Abstraction has has 427 places, 337 transitions, 927 flow
[2024-11-23 22:40:19,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1338.2) internal successors, (6691), 5 states have internal predecessors, (6691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:19,467 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:19,467 INFO L206 CegarLoopForPetriNet]: trace histogram [42, 42, 42, 42, 42, 42, 42, 41, 41, 41, 41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:19,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162
[2024-11-23 22:40:19,468 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 46 more)] ===
[2024-11-23 22:40:19,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:19,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1682350349, now seen corresponding path program 1 times
[2024-11-23 22:40:19,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:19,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450311304]
[2024-11-23 22:40:19,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:19,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:40:19,580 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:40:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:40:19,900 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:40:19,901 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:40:19,901 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 49 remaining)
[2024-11-23 22:40:19,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (47 of 49 remaining)
[2024-11-23 22:40:19,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (46 of 49 remaining)
[2024-11-23 22:40:19,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (45 of 49 remaining)
[2024-11-23 22:40:19,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (44 of 49 remaining)
[2024-11-23 22:40:19,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (43 of 49 remaining)
[2024-11-23 22:40:19,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 49 remaining)
[2024-11-23 22:40:19,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (41 of 49 remaining)
[2024-11-23 22:40:19,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (40 of 49 remaining)
[2024-11-23 22:40:19,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (39 of 49 remaining)
[2024-11-23 22:40:19,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (38 of 49 remaining)
[2024-11-23 22:40:19,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (37 of 49 remaining)
[2024-11-23 22:40:19,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (36 of 49 remaining)
[2024-11-23 22:40:19,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (35 of 49 remaining)
[2024-11-23 22:40:19,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (34 of 49 remaining)
[2024-11-23 22:40:19,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (33 of 49 remaining)
[2024-11-23 22:40:19,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (32 of 49 remaining)
[2024-11-23 22:40:19,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (31 of 49 remaining)
[2024-11-23 22:40:19,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 49 remaining)
[2024-11-23 22:40:19,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 49 remaining)
[2024-11-23 22:40:19,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 49 remaining)
[2024-11-23 22:40:19,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 49 remaining)
[2024-11-23 22:40:19,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 49 remaining)
[2024-11-23 22:40:19,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 49 remaining)
[2024-11-23 22:40:19,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 49 remaining)
[2024-11-23 22:40:19,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 49 remaining)
[2024-11-23 22:40:19,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 49 remaining)
[2024-11-23 22:40:19,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 49 remaining)
[2024-11-23 22:40:19,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 49 remaining)
[2024-11-23 22:40:19,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 49 remaining)
[2024-11-23 22:40:19,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 49 remaining)
[2024-11-23 22:40:19,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 49 remaining)
[2024-11-23 22:40:19,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 49 remaining)
[2024-11-23 22:40:19,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 49 remaining)
[2024-11-23 22:40:19,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 49 remaining)
[2024-11-23 22:40:19,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 49 remaining)
[2024-11-23 22:40:19,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 49 remaining)
[2024-11-23 22:40:19,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 49 remaining)
[2024-11-23 22:40:19,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 49 remaining)
[2024-11-23 22:40:19,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 49 remaining)
[2024-11-23 22:40:19,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 49 remaining)
[2024-11-23 22:40:19,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 49 remaining)
[2024-11-23 22:40:19,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 49 remaining)
[2024-11-23 22:40:19,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 49 remaining)
[2024-11-23 22:40:19,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 49 remaining)
[2024-11-23 22:40:19,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 49 remaining)
[2024-11-23 22:40:19,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 49 remaining)
[2024-11-23 22:40:19,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 49 remaining)
[2024-11-23 22:40:19,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 49 remaining)
[2024-11-23 22:40:19,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163
[2024-11-23 22:40:19,904 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:40:19,905 WARN L246 ceAbstractionStarter]: 41 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:40:19,905 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 42 thread instances.
[2024-11-23 22:40:20,140 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:40:20,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1625 places, 1626 transitions, 7032 flow
[2024-11-23 22:40:21,837 INFO L124 PetriNetUnfolderBase]: 217/2783 cut-off events.
[2024-11-23 22:40:21,837 INFO L125 PetriNetUnfolderBase]: For 13202/13202 co-relation queries the response was YES.
[2024-11-23 22:40:21,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3899 conditions, 2783 events. 217/2783 cut-off events. For 13202/13202 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 7864 event pairs, 0 based on Foata normal form. 0/2433 useless extension candidates. Maximal degree in co-relation 3814. Up to 86 conditions per place.
[2024-11-23 22:40:21,944 INFO L82 GeneralOperation]: Start removeDead. Operand has 1625 places, 1626 transitions, 7032 flow
[2024-11-23 22:40:21,954 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 462 places, 379 transitions, 2651 flow
[2024-11-23 22:40:21,954 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:40:21,954 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:40:21,955 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations.
[2024-11-23 22:40:21,956 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:40:21,956 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:40:21,956 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:40:21,956 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:21,956 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:21,957 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 47 more)] ===
[2024-11-23 22:40:21,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:21,957 INFO L85 PathProgramCache]: Analyzing trace with hash 397530278, now seen corresponding path program 1 times
[2024-11-23 22:40:21,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:21,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779187319]
[2024-11-23 22:40:21,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:21,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:22,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:22,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:22,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779187319]
[2024-11-23 22:40:22,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779187319] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:22,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:22,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:22,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376612301]
[2024-11-23 22:40:22,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:22,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:22,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:22,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:22,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:22,283 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1319 out of 1626
[2024-11-23 22:40:22,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 379 transitions, 2651 flow. Second operand has 3 states, 3 states have (on average 1320.3333333333333) internal successors, (3961), 3 states have internal predecessors, (3961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:22,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:22,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1319 of 1626
[2024-11-23 22:40:22,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:23,603 INFO L124 PetriNetUnfolderBase]: 87/2136 cut-off events.
[2024-11-23 22:40:23,603 INFO L125 PetriNetUnfolderBase]: For 14148/14148 co-relation queries the response was YES.
[2024-11-23 22:40:23,640 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3520 conditions, 2136 events. 87/2136 cut-off events. For 14148/14148 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 5643 event pairs, 43 based on Foata normal form. 44/2003 useless extension candidates. Maximal degree in co-relation 3373. Up to 307 conditions per place.
[2024-11-23 22:40:23,647 INFO L140 encePairwiseOnDemand]: 1620/1626 looper letters, 52 selfloop transitions, 2 changer transitions 1/375 dead transitions.
[2024-11-23 22:40:23,647 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 375 transitions, 2751 flow
[2024-11-23 22:40:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:23,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:40:23,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4015 transitions.
[2024-11-23 22:40:23,653 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8230832308323083
[2024-11-23 22:40:23,653 INFO L175 Difference]: Start difference. First operand has 462 places, 379 transitions, 2651 flow. Second operand 3 states and 4015 transitions.
[2024-11-23 22:40:23,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 375 transitions, 2751 flow
[2024-11-23 22:40:23,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 462 places, 375 transitions, 1110 flow, removed 820 selfloop flow, removed 1 redundant places.
[2024-11-23 22:40:23,693 INFO L231 Difference]: Finished difference. Result has 462 places, 374 transitions, 1004 flow
[2024-11-23 22:40:23,693 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1626, PETRI_DIFFERENCE_MINUEND_FLOW=1002, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1004, PETRI_PLACES=462, PETRI_TRANSITIONS=374}
[2024-11-23 22:40:23,694 INFO L279 CegarLoopForPetriNet]: 462 programPoint places, 0 predicate places.
[2024-11-23 22:40:23,694 INFO L471 AbstractCegarLoop]: Abstraction has has 462 places, 374 transitions, 1004 flow
[2024-11-23 22:40:23,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1320.3333333333333) internal successors, (3961), 3 states have internal predecessors, (3961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:23,694 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:23,694 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:23,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164
[2024-11-23 22:40:23,695 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 47 more)] ===
[2024-11-23 22:40:23,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:23,695 INFO L85 PathProgramCache]: Analyzing trace with hash -823313778, now seen corresponding path program 1 times
[2024-11-23 22:40:23,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:23,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789500358]
[2024-11-23 22:40:23,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:23,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:23,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:23,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:23,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789500358]
[2024-11-23 22:40:23,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789500358] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:23,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:23,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:23,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336771752]
[2024-11-23 22:40:23,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:23,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:23,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:23,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:23,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:24,004 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1233 out of 1626
[2024-11-23 22:40:24,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 374 transitions, 1004 flow. Second operand has 3 states, 3 states have (on average 1234.0) internal successors, (3702), 3 states have internal predecessors, (3702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:24,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:24,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1233 of 1626
[2024-11-23 22:40:24,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:25,328 INFO L124 PetriNetUnfolderBase]: 44/1917 cut-off events.
[2024-11-23 22:40:25,328 INFO L125 PetriNetUnfolderBase]: For 986/986 co-relation queries the response was YES.
[2024-11-23 22:40:25,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2396 conditions, 1917 events. 44/1917 cut-off events. For 986/986 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4233 event pairs, 0 based on Foata normal form. 43/1873 useless extension candidates. Maximal degree in co-relation 2330. Up to 220 conditions per place.
[2024-11-23 22:40:25,345 INFO L140 encePairwiseOnDemand]: 1620/1626 looper letters, 50 selfloop transitions, 1 changer transitions 24/369 dead transitions.
[2024-11-23 22:40:25,345 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 369 transitions, 1100 flow
[2024-11-23 22:40:25,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:25,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:40:25,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3757 transitions.
[2024-11-23 22:40:25,349 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7701927019270193
[2024-11-23 22:40:25,349 INFO L175 Difference]: Start difference. First operand has 462 places, 374 transitions, 1004 flow. Second operand 3 states and 3757 transitions.
[2024-11-23 22:40:25,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 369 transitions, 1100 flow
[2024-11-23 22:40:25,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 369 transitions, 1096 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:40:25,354 INFO L231 Difference]: Finished difference. Result has 456 places, 345 transitions, 942 flow
[2024-11-23 22:40:25,354 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1626, PETRI_DIFFERENCE_MINUEND_FLOW=990, PETRI_DIFFERENCE_MINUEND_PLACES=454, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=942, PETRI_PLACES=456, PETRI_TRANSITIONS=345}
[2024-11-23 22:40:25,354 INFO L279 CegarLoopForPetriNet]: 462 programPoint places, -6 predicate places.
[2024-11-23 22:40:25,354 INFO L471 AbstractCegarLoop]: Abstraction has has 456 places, 345 transitions, 942 flow
[2024-11-23 22:40:25,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1234.0) internal successors, (3702), 3 states have internal predecessors, (3702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:25,355 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:25,355 INFO L206 CegarLoopForPetriNet]: trace histogram [43, 43, 43, 43, 43, 43, 43, 42, 42, 42, 42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:25,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165
[2024-11-23 22:40:25,355 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 47 more)] ===
[2024-11-23 22:40:25,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:25,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1889091490, now seen corresponding path program 1 times
[2024-11-23 22:40:25,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:25,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153072332]
[2024-11-23 22:40:25,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:25,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:25,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:25,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:25,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153072332]
[2024-11-23 22:40:25,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153072332] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:25,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:25,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:40:25,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095111932]
[2024-11-23 22:40:25,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:25,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:40:25,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:25,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:40:25,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:40:25,839 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1359 out of 1626
[2024-11-23 22:40:25,842 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 345 transitions, 942 flow. Second operand has 5 states, 5 states have (on average 1369.4) internal successors, (6847), 5 states have internal predecessors, (6847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:25,842 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:25,842 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1359 of 1626
[2024-11-23 22:40:25,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:26,337 INFO L124 PetriNetUnfolderBase]: 0/898 cut-off events.
[2024-11-23 22:40:26,337 INFO L125 PetriNetUnfolderBase]: For 985/985 co-relation queries the response was YES.
[2024-11-23 22:40:26,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1207 conditions, 898 events. 0/898 cut-off events. For 985/985 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 531 event pairs, 0 based on Foata normal form. 1/898 useless extension candidates. Maximal degree in co-relation 0. Up to 134 conditions per place.
[2024-11-23 22:40:26,338 INFO L140 encePairwiseOnDemand]: 1621/1626 looper letters, 50 selfloop transitions, 2 changer transitions 3/347 dead transitions.
[2024-11-23 22:40:26,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 347 transitions, 1056 flow
[2024-11-23 22:40:26,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:40:26,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:40:26,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6851 transitions.
[2024-11-23 22:40:26,343 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8426814268142682
[2024-11-23 22:40:26,343 INFO L175 Difference]: Start difference. First operand has 456 places, 345 transitions, 942 flow. Second operand 5 states and 6851 transitions.
[2024-11-23 22:40:26,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 347 transitions, 1056 flow
[2024-11-23 22:40:26,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 347 transitions, 1055 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:40:26,348 INFO L231 Difference]: Finished difference. Result has 436 places, 344 transitions, 947 flow
[2024-11-23 22:40:26,348 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1626, PETRI_DIFFERENCE_MINUEND_FLOW=941, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=947, PETRI_PLACES=436, PETRI_TRANSITIONS=344}
[2024-11-23 22:40:26,349 INFO L279 CegarLoopForPetriNet]: 462 programPoint places, -26 predicate places.
[2024-11-23 22:40:26,349 INFO L471 AbstractCegarLoop]: Abstraction has has 436 places, 344 transitions, 947 flow
[2024-11-23 22:40:26,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1369.4) internal successors, (6847), 5 states have internal predecessors, (6847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:26,350 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:26,350 INFO L206 CegarLoopForPetriNet]: trace histogram [43, 43, 43, 43, 43, 43, 43, 42, 42, 42, 42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:26,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166
[2024-11-23 22:40:26,350 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 47 more)] ===
[2024-11-23 22:40:26,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:26,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1798433586, now seen corresponding path program 1 times
[2024-11-23 22:40:26,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:26,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315635837]
[2024-11-23 22:40:26,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:26,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:40:26,466 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:40:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:40:27,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:40:27,039 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:40:27,040 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 50 remaining)
[2024-11-23 22:40:27,040 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (48 of 50 remaining)
[2024-11-23 22:40:27,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (47 of 50 remaining)
[2024-11-23 22:40:27,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (46 of 50 remaining)
[2024-11-23 22:40:27,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (45 of 50 remaining)
[2024-11-23 22:40:27,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (44 of 50 remaining)
[2024-11-23 22:40:27,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 50 remaining)
[2024-11-23 22:40:27,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (42 of 50 remaining)
[2024-11-23 22:40:27,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (41 of 50 remaining)
[2024-11-23 22:40:27,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (40 of 50 remaining)
[2024-11-23 22:40:27,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (39 of 50 remaining)
[2024-11-23 22:40:27,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (38 of 50 remaining)
[2024-11-23 22:40:27,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (37 of 50 remaining)
[2024-11-23 22:40:27,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (36 of 50 remaining)
[2024-11-23 22:40:27,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (35 of 50 remaining)
[2024-11-23 22:40:27,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (34 of 50 remaining)
[2024-11-23 22:40:27,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (33 of 50 remaining)
[2024-11-23 22:40:27,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (32 of 50 remaining)
[2024-11-23 22:40:27,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (31 of 50 remaining)
[2024-11-23 22:40:27,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 50 remaining)
[2024-11-23 22:40:27,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 50 remaining)
[2024-11-23 22:40:27,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 50 remaining)
[2024-11-23 22:40:27,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 50 remaining)
[2024-11-23 22:40:27,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 50 remaining)
[2024-11-23 22:40:27,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 50 remaining)
[2024-11-23 22:40:27,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 50 remaining)
[2024-11-23 22:40:27,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 50 remaining)
[2024-11-23 22:40:27,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 50 remaining)
[2024-11-23 22:40:27,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 50 remaining)
[2024-11-23 22:40:27,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 50 remaining)
[2024-11-23 22:40:27,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 50 remaining)
[2024-11-23 22:40:27,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 50 remaining)
[2024-11-23 22:40:27,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 50 remaining)
[2024-11-23 22:40:27,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 50 remaining)
[2024-11-23 22:40:27,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 50 remaining)
[2024-11-23 22:40:27,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 50 remaining)
[2024-11-23 22:40:27,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 50 remaining)
[2024-11-23 22:40:27,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 50 remaining)
[2024-11-23 22:40:27,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 50 remaining)
[2024-11-23 22:40:27,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 50 remaining)
[2024-11-23 22:40:27,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 50 remaining)
[2024-11-23 22:40:27,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 50 remaining)
[2024-11-23 22:40:27,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 50 remaining)
[2024-11-23 22:40:27,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 50 remaining)
[2024-11-23 22:40:27,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 50 remaining)
[2024-11-23 22:40:27,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 50 remaining)
[2024-11-23 22:40:27,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 50 remaining)
[2024-11-23 22:40:27,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 50 remaining)
[2024-11-23 22:40:27,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 50 remaining)
[2024-11-23 22:40:27,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 50 remaining)
[2024-11-23 22:40:27,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167
[2024-11-23 22:40:27,046 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:40:27,046 WARN L246 ceAbstractionStarter]: 42 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:40:27,046 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 43 thread instances.
[2024-11-23 22:40:27,333 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:40:27,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1662 places, 1663 transitions, 7282 flow
[2024-11-23 22:40:28,814 INFO L124 PetriNetUnfolderBase]: 222/2847 cut-off events.
[2024-11-23 22:40:28,814 INFO L125 PetriNetUnfolderBase]: For 14147/14147 co-relation queries the response was YES.
[2024-11-23 22:40:28,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4011 conditions, 2847 events. 222/2847 cut-off events. For 14147/14147 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 8144 event pairs, 0 based on Foata normal form. 0/2489 useless extension candidates. Maximal degree in co-relation 3924. Up to 88 conditions per place.
[2024-11-23 22:40:28,876 INFO L82 GeneralOperation]: Start removeDead. Operand has 1662 places, 1663 transitions, 7282 flow
[2024-11-23 22:40:28,884 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 471 places, 386 transitions, 2753 flow
[2024-11-23 22:40:28,885 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:40:28,885 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:40:28,885 INFO L334 AbstractCegarLoop]: Starting to check reachability of 51 error locations.
[2024-11-23 22:40:28,886 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:40:28,887 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:40:28,887 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:40:28,887 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:28,887 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:28,887 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] ===
[2024-11-23 22:40:28,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:28,887 INFO L85 PathProgramCache]: Analyzing trace with hash -175426650, now seen corresponding path program 1 times
[2024-11-23 22:40:28,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:28,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491314067]
[2024-11-23 22:40:28,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:28,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:28,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:28,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:28,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491314067]
[2024-11-23 22:40:28,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491314067] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:28,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:28,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:28,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924603216]
[2024-11-23 22:40:28,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:28,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:28,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:28,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:28,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:29,213 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1349 out of 1663
[2024-11-23 22:40:29,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 386 transitions, 2753 flow. Second operand has 3 states, 3 states have (on average 1350.3333333333333) internal successors, (4051), 3 states have internal predecessors, (4051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:29,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:29,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1349 of 1663
[2024-11-23 22:40:29,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:30,812 INFO L124 PetriNetUnfolderBase]: 89/2185 cut-off events.
[2024-11-23 22:40:30,812 INFO L125 PetriNetUnfolderBase]: For 15137/15137 co-relation queries the response was YES.
[2024-11-23 22:40:30,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3623 conditions, 2185 events. 89/2185 cut-off events. For 15137/15137 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 6037 event pairs, 44 based on Foata normal form. 89/2093 useless extension candidates. Maximal degree in co-relation 3474. Up to 314 conditions per place.
[2024-11-23 22:40:31,031 INFO L140 encePairwiseOnDemand]: 1657/1663 looper letters, 53 selfloop transitions, 2 changer transitions 1/382 dead transitions.
[2024-11-23 22:40:31,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 382 transitions, 2855 flow
[2024-11-23 22:40:31,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:31,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:40:31,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4106 transitions.
[2024-11-23 22:40:31,034 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8230106233714172
[2024-11-23 22:40:31,034 INFO L175 Difference]: Start difference. First operand has 471 places, 386 transitions, 2753 flow. Second operand 3 states and 4106 transitions.
[2024-11-23 22:40:31,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 382 transitions, 2855 flow
[2024-11-23 22:40:31,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 471 places, 382 transitions, 1132 flow, removed 861 selfloop flow, removed 1 redundant places.
[2024-11-23 22:40:31,059 INFO L231 Difference]: Finished difference. Result has 471 places, 381 transitions, 1024 flow
[2024-11-23 22:40:31,059 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1663, PETRI_DIFFERENCE_MINUEND_FLOW=1022, PETRI_DIFFERENCE_MINUEND_PLACES=469, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1024, PETRI_PLACES=471, PETRI_TRANSITIONS=381}
[2024-11-23 22:40:31,059 INFO L279 CegarLoopForPetriNet]: 471 programPoint places, 0 predicate places.
[2024-11-23 22:40:31,059 INFO L471 AbstractCegarLoop]: Abstraction has has 471 places, 381 transitions, 1024 flow
[2024-11-23 22:40:31,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1350.3333333333333) internal successors, (4051), 3 states have internal predecessors, (4051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:31,060 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:31,060 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:31,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168
[2024-11-23 22:40:31,060 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] ===
[2024-11-23 22:40:31,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:31,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1443643726, now seen corresponding path program 1 times
[2024-11-23 22:40:31,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:31,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787900724]
[2024-11-23 22:40:31,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:31,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:31,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:31,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:31,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787900724]
[2024-11-23 22:40:31,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787900724] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:31,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:31,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:31,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384745675]
[2024-11-23 22:40:31,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:31,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:31,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:31,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:31,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:31,280 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1261 out of 1663
[2024-11-23 22:40:31,283 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 471 places, 381 transitions, 1024 flow. Second operand has 3 states, 3 states have (on average 1262.0) internal successors, (3786), 3 states have internal predecessors, (3786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:31,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:31,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1261 of 1663
[2024-11-23 22:40:31,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:32,592 INFO L124 PetriNetUnfolderBase]: 45/1961 cut-off events.
[2024-11-23 22:40:32,592 INFO L125 PetriNetUnfolderBase]: For 1031/1031 co-relation queries the response was YES.
[2024-11-23 22:40:32,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2451 conditions, 1961 events. 45/1961 cut-off events. For 1031/1031 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4421 event pairs, 0 based on Foata normal form. 44/1916 useless extension candidates. Maximal degree in co-relation 2384. Up to 225 conditions per place.
[2024-11-23 22:40:32,616 INFO L140 encePairwiseOnDemand]: 1657/1663 looper letters, 51 selfloop transitions, 1 changer transitions 24/376 dead transitions.
[2024-11-23 22:40:32,616 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 376 transitions, 1122 flow
[2024-11-23 22:40:32,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:32,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:40:32,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3842 transitions.
[2024-11-23 22:40:32,622 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7700942072559631
[2024-11-23 22:40:32,622 INFO L175 Difference]: Start difference. First operand has 471 places, 381 transitions, 1024 flow. Second operand 3 states and 3842 transitions.
[2024-11-23 22:40:32,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 376 transitions, 1122 flow
[2024-11-23 22:40:32,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 376 transitions, 1118 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:40:32,629 INFO L231 Difference]: Finished difference. Result has 465 places, 352 transitions, 962 flow
[2024-11-23 22:40:32,630 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1663, PETRI_DIFFERENCE_MINUEND_FLOW=1010, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=962, PETRI_PLACES=465, PETRI_TRANSITIONS=352}
[2024-11-23 22:40:32,630 INFO L279 CegarLoopForPetriNet]: 471 programPoint places, -6 predicate places.
[2024-11-23 22:40:32,630 INFO L471 AbstractCegarLoop]: Abstraction has has 465 places, 352 transitions, 962 flow
[2024-11-23 22:40:32,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1262.0) internal successors, (3786), 3 states have internal predecessors, (3786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:32,631 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:32,631 INFO L206 CegarLoopForPetriNet]: trace histogram [44, 44, 44, 44, 44, 44, 44, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:32,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169
[2024-11-23 22:40:32,631 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] ===
[2024-11-23 22:40:32,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:32,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1982192469, now seen corresponding path program 1 times
[2024-11-23 22:40:32,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:32,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355455420]
[2024-11-23 22:40:32,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:32,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:33,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:33,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:33,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355455420]
[2024-11-23 22:40:33,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355455420] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:33,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:33,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:40:33,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859627657]
[2024-11-23 22:40:33,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:33,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:40:33,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:33,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:40:33,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:40:33,260 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1390 out of 1663
[2024-11-23 22:40:33,266 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 352 transitions, 962 flow. Second operand has 5 states, 5 states have (on average 1400.6) internal successors, (7003), 5 states have internal predecessors, (7003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:33,266 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:33,266 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1390 of 1663
[2024-11-23 22:40:33,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:33,812 INFO L124 PetriNetUnfolderBase]: 0/918 cut-off events.
[2024-11-23 22:40:33,812 INFO L125 PetriNetUnfolderBase]: For 1030/1030 co-relation queries the response was YES.
[2024-11-23 22:40:33,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1234 conditions, 918 events. 0/918 cut-off events. For 1030/1030 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 543 event pairs, 0 based on Foata normal form. 1/918 useless extension candidates. Maximal degree in co-relation 0. Up to 137 conditions per place.
[2024-11-23 22:40:33,814 INFO L140 encePairwiseOnDemand]: 1658/1663 looper letters, 51 selfloop transitions, 2 changer transitions 3/354 dead transitions.
[2024-11-23 22:40:33,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 354 transitions, 1078 flow
[2024-11-23 22:40:33,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:40:33,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:40:33,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7007 transitions.
[2024-11-23 22:40:33,822 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.842693926638605
[2024-11-23 22:40:33,823 INFO L175 Difference]: Start difference. First operand has 465 places, 352 transitions, 962 flow. Second operand 5 states and 7007 transitions.
[2024-11-23 22:40:33,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 354 transitions, 1078 flow
[2024-11-23 22:40:33,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 443 places, 354 transitions, 1077 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:40:33,830 INFO L231 Difference]: Finished difference. Result has 445 places, 351 transitions, 967 flow
[2024-11-23 22:40:33,830 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1663, PETRI_DIFFERENCE_MINUEND_FLOW=961, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=967, PETRI_PLACES=445, PETRI_TRANSITIONS=351}
[2024-11-23 22:40:33,830 INFO L279 CegarLoopForPetriNet]: 471 programPoint places, -26 predicate places.
[2024-11-23 22:40:33,830 INFO L471 AbstractCegarLoop]: Abstraction has has 445 places, 351 transitions, 967 flow
[2024-11-23 22:40:33,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1400.6) internal successors, (7003), 5 states have internal predecessors, (7003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:33,831 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:33,831 INFO L206 CegarLoopForPetriNet]: trace histogram [44, 44, 44, 44, 44, 44, 44, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:33,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170
[2024-11-23 22:40:33,832 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 48 more)] ===
[2024-11-23 22:40:33,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:33,838 INFO L85 PathProgramCache]: Analyzing trace with hash -2063838848, now seen corresponding path program 1 times
[2024-11-23 22:40:33,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:33,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037656477]
[2024-11-23 22:40:33,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:33,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:40:34,031 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:40:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:40:34,623 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:40:34,623 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:40:34,623 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 51 remaining)
[2024-11-23 22:40:34,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (49 of 51 remaining)
[2024-11-23 22:40:34,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 51 remaining)
[2024-11-23 22:40:34,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 51 remaining)
[2024-11-23 22:40:34,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (46 of 51 remaining)
[2024-11-23 22:40:34,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (45 of 51 remaining)
[2024-11-23 22:40:34,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 51 remaining)
[2024-11-23 22:40:34,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (43 of 51 remaining)
[2024-11-23 22:40:34,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (42 of 51 remaining)
[2024-11-23 22:40:34,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (41 of 51 remaining)
[2024-11-23 22:40:34,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (40 of 51 remaining)
[2024-11-23 22:40:34,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (39 of 51 remaining)
[2024-11-23 22:40:34,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (38 of 51 remaining)
[2024-11-23 22:40:34,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (37 of 51 remaining)
[2024-11-23 22:40:34,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (36 of 51 remaining)
[2024-11-23 22:40:34,624 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (35 of 51 remaining)
[2024-11-23 22:40:34,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (34 of 51 remaining)
[2024-11-23 22:40:34,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (33 of 51 remaining)
[2024-11-23 22:40:34,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (32 of 51 remaining)
[2024-11-23 22:40:34,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (31 of 51 remaining)
[2024-11-23 22:40:34,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 51 remaining)
[2024-11-23 22:40:34,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 51 remaining)
[2024-11-23 22:40:34,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 51 remaining)
[2024-11-23 22:40:34,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 51 remaining)
[2024-11-23 22:40:34,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 51 remaining)
[2024-11-23 22:40:34,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 51 remaining)
[2024-11-23 22:40:34,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 51 remaining)
[2024-11-23 22:40:34,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 51 remaining)
[2024-11-23 22:40:34,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 51 remaining)
[2024-11-23 22:40:34,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 51 remaining)
[2024-11-23 22:40:34,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 51 remaining)
[2024-11-23 22:40:34,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 51 remaining)
[2024-11-23 22:40:34,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 51 remaining)
[2024-11-23 22:40:34,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 51 remaining)
[2024-11-23 22:40:34,625 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 51 remaining)
[2024-11-23 22:40:34,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 51 remaining)
[2024-11-23 22:40:34,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 51 remaining)
[2024-11-23 22:40:34,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 51 remaining)
[2024-11-23 22:40:34,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 51 remaining)
[2024-11-23 22:40:34,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 51 remaining)
[2024-11-23 22:40:34,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 51 remaining)
[2024-11-23 22:40:34,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 51 remaining)
[2024-11-23 22:40:34,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 51 remaining)
[2024-11-23 22:40:34,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 51 remaining)
[2024-11-23 22:40:34,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 51 remaining)
[2024-11-23 22:40:34,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 51 remaining)
[2024-11-23 22:40:34,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 51 remaining)
[2024-11-23 22:40:34,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 51 remaining)
[2024-11-23 22:40:34,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 51 remaining)
[2024-11-23 22:40:34,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 51 remaining)
[2024-11-23 22:40:34,626 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 51 remaining)
[2024-11-23 22:40:34,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171
[2024-11-23 22:40:34,626 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:40:34,627 WARN L246 ceAbstractionStarter]: 43 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:40:34,627 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 44 thread instances.
[2024-11-23 22:40:34,906 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:40:34,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1699 places, 1700 transitions, 7536 flow
[2024-11-23 22:40:36,478 INFO L124 PetriNetUnfolderBase]: 227/2911 cut-off events.
[2024-11-23 22:40:36,478 INFO L125 PetriNetUnfolderBase]: For 15136/15136 co-relation queries the response was YES.
[2024-11-23 22:40:36,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4124 conditions, 2911 events. 227/2911 cut-off events. For 15136/15136 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 8292 event pairs, 0 based on Foata normal form. 0/2545 useless extension candidates. Maximal degree in co-relation 4035. Up to 90 conditions per place.
[2024-11-23 22:40:36,547 INFO L82 GeneralOperation]: Start removeDead. Operand has 1699 places, 1700 transitions, 7536 flow
[2024-11-23 22:40:36,557 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 480 places, 393 transitions, 2857 flow
[2024-11-23 22:40:36,558 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:40:36,558 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:40:36,558 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations.
[2024-11-23 22:40:36,560 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:40:36,560 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:40:36,560 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:40:36,560 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:36,560 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:36,560 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 49 more)] ===
[2024-11-23 22:40:36,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:36,561 INFO L85 PathProgramCache]: Analyzing trace with hash -797288538, now seen corresponding path program 1 times
[2024-11-23 22:40:36,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:36,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788467383]
[2024-11-23 22:40:36,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:36,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:36,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:36,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:36,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788467383]
[2024-11-23 22:40:36,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788467383] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:36,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:36,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:36,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19127173]
[2024-11-23 22:40:36,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:36,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:36,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:36,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:36,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:36,883 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1379 out of 1700
[2024-11-23 22:40:36,886 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 393 transitions, 2857 flow. Second operand has 3 states, 3 states have (on average 1380.3333333333333) internal successors, (4141), 3 states have internal predecessors, (4141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:36,886 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:36,886 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1379 of 1700
[2024-11-23 22:40:36,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:37,992 INFO L124 PetriNetUnfolderBase]: 91/2234 cut-off events.
[2024-11-23 22:40:37,992 INFO L125 PetriNetUnfolderBase]: For 16171/16171 co-relation queries the response was YES.
[2024-11-23 22:40:38,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3727 conditions, 2234 events. 91/2234 cut-off events. For 16171/16171 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 5940 event pairs, 45 based on Foata normal form. 46/2095 useless extension candidates. Maximal degree in co-relation 3577. Up to 321 conditions per place.
[2024-11-23 22:40:38,040 INFO L140 encePairwiseOnDemand]: 1694/1700 looper letters, 54 selfloop transitions, 2 changer transitions 1/389 dead transitions.
[2024-11-23 22:40:38,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 389 transitions, 2961 flow
[2024-11-23 22:40:38,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:38,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:40:38,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4197 transitions.
[2024-11-23 22:40:38,044 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8229411764705883
[2024-11-23 22:40:38,044 INFO L175 Difference]: Start difference. First operand has 480 places, 393 transitions, 2857 flow. Second operand 3 states and 4197 transitions.
[2024-11-23 22:40:38,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 389 transitions, 2961 flow
[2024-11-23 22:40:38,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 480 places, 389 transitions, 1154 flow, removed 903 selfloop flow, removed 1 redundant places.
[2024-11-23 22:40:38,077 INFO L231 Difference]: Finished difference. Result has 480 places, 388 transitions, 1044 flow
[2024-11-23 22:40:38,077 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1700, PETRI_DIFFERENCE_MINUEND_FLOW=1042, PETRI_DIFFERENCE_MINUEND_PLACES=478, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1044, PETRI_PLACES=480, PETRI_TRANSITIONS=388}
[2024-11-23 22:40:38,078 INFO L279 CegarLoopForPetriNet]: 480 programPoint places, 0 predicate places.
[2024-11-23 22:40:38,078 INFO L471 AbstractCegarLoop]: Abstraction has has 480 places, 388 transitions, 1044 flow
[2024-11-23 22:40:38,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1380.3333333333333) internal successors, (4141), 3 states have internal predecessors, (4141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:38,079 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:38,079 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:38,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172
[2024-11-23 22:40:38,079 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 49 more)] ===
[2024-11-23 22:40:38,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:38,079 INFO L85 PathProgramCache]: Analyzing trace with hash 535293518, now seen corresponding path program 1 times
[2024-11-23 22:40:38,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:38,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804088250]
[2024-11-23 22:40:38,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:38,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:38,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:38,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:38,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804088250]
[2024-11-23 22:40:38,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804088250] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:38,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:38,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:38,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231714799]
[2024-11-23 22:40:38,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:38,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:38,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:38,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:38,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:38,335 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1289 out of 1700
[2024-11-23 22:40:38,337 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 480 places, 388 transitions, 1044 flow. Second operand has 3 states, 3 states have (on average 1290.0) internal successors, (3870), 3 states have internal predecessors, (3870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:38,338 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:38,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1289 of 1700
[2024-11-23 22:40:38,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:39,303 INFO L124 PetriNetUnfolderBase]: 46/2005 cut-off events.
[2024-11-23 22:40:39,304 INFO L125 PetriNetUnfolderBase]: For 1077/1077 co-relation queries the response was YES.
[2024-11-23 22:40:39,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2506 conditions, 2005 events. 46/2005 cut-off events. For 1077/1077 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4434 event pairs, 0 based on Foata normal form. 45/1959 useless extension candidates. Maximal degree in co-relation 2438. Up to 230 conditions per place.
[2024-11-23 22:40:39,340 INFO L140 encePairwiseOnDemand]: 1694/1700 looper letters, 52 selfloop transitions, 1 changer transitions 24/383 dead transitions.
[2024-11-23 22:40:39,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 476 places, 383 transitions, 1144 flow
[2024-11-23 22:40:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:39,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:40:39,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3927 transitions.
[2024-11-23 22:40:39,344 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.77
[2024-11-23 22:40:39,344 INFO L175 Difference]: Start difference. First operand has 480 places, 388 transitions, 1044 flow. Second operand 3 states and 3927 transitions.
[2024-11-23 22:40:39,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 476 places, 383 transitions, 1144 flow
[2024-11-23 22:40:39,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 383 transitions, 1140 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:40:39,351 INFO L231 Difference]: Finished difference. Result has 474 places, 359 transitions, 982 flow
[2024-11-23 22:40:39,351 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1700, PETRI_DIFFERENCE_MINUEND_FLOW=1030, PETRI_DIFFERENCE_MINUEND_PLACES=472, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=982, PETRI_PLACES=474, PETRI_TRANSITIONS=359}
[2024-11-23 22:40:39,352 INFO L279 CegarLoopForPetriNet]: 480 programPoint places, -6 predicate places.
[2024-11-23 22:40:39,352 INFO L471 AbstractCegarLoop]: Abstraction has has 474 places, 359 transitions, 982 flow
[2024-11-23 22:40:39,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1290.0) internal successors, (3870), 3 states have internal predecessors, (3870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:39,352 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:39,353 INFO L206 CegarLoopForPetriNet]: trace histogram [45, 45, 45, 45, 45, 45, 45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:39,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173
[2024-11-23 22:40:39,353 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 49 more)] ===
[2024-11-23 22:40:39,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:39,359 INFO L85 PathProgramCache]: Analyzing trace with hash 918885350, now seen corresponding path program 1 times
[2024-11-23 22:40:39,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:39,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118940043]
[2024-11-23 22:40:39,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:39,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:39,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:39,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:39,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118940043]
[2024-11-23 22:40:39,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118940043] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:39,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:39,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:40:39,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106237145]
[2024-11-23 22:40:39,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:39,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:40:39,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:39,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:40:39,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:40:39,919 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1421 out of 1700
[2024-11-23 22:40:39,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 359 transitions, 982 flow. Second operand has 5 states, 5 states have (on average 1431.8) internal successors, (7159), 5 states have internal predecessors, (7159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:39,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:39,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1421 of 1700
[2024-11-23 22:40:39,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:40,475 INFO L124 PetriNetUnfolderBase]: 0/938 cut-off events.
[2024-11-23 22:40:40,475 INFO L125 PetriNetUnfolderBase]: For 1076/1076 co-relation queries the response was YES.
[2024-11-23 22:40:40,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1261 conditions, 938 events. 0/938 cut-off events. For 1076/1076 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 556 event pairs, 0 based on Foata normal form. 1/938 useless extension candidates. Maximal degree in co-relation 0. Up to 140 conditions per place.
[2024-11-23 22:40:40,477 INFO L140 encePairwiseOnDemand]: 1695/1700 looper letters, 52 selfloop transitions, 2 changer transitions 3/361 dead transitions.
[2024-11-23 22:40:40,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 361 transitions, 1100 flow
[2024-11-23 22:40:40,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:40:40,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:40:40,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7163 transitions.
[2024-11-23 22:40:40,483 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8427058823529412
[2024-11-23 22:40:40,484 INFO L175 Difference]: Start difference. First operand has 474 places, 359 transitions, 982 flow. Second operand 5 states and 7163 transitions.
[2024-11-23 22:40:40,484 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 361 transitions, 1100 flow
[2024-11-23 22:40:40,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 361 transitions, 1099 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:40:40,492 INFO L231 Difference]: Finished difference. Result has 454 places, 358 transitions, 987 flow
[2024-11-23 22:40:40,492 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1700, PETRI_DIFFERENCE_MINUEND_FLOW=981, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=987, PETRI_PLACES=454, PETRI_TRANSITIONS=358}
[2024-11-23 22:40:40,492 INFO L279 CegarLoopForPetriNet]: 480 programPoint places, -26 predicate places.
[2024-11-23 22:40:40,493 INFO L471 AbstractCegarLoop]: Abstraction has has 454 places, 358 transitions, 987 flow
[2024-11-23 22:40:40,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1431.8) internal successors, (7159), 5 states have internal predecessors, (7159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:40,494 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:40,494 INFO L206 CegarLoopForPetriNet]: trace histogram [45, 45, 45, 45, 45, 45, 45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:40,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174
[2024-11-23 22:40:40,494 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 49 more)] ===
[2024-11-23 22:40:40,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:40,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1189662121, now seen corresponding path program 1 times
[2024-11-23 22:40:40,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:40,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532279943]
[2024-11-23 22:40:40,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:40,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:40:40,650 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:40:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:40:41,341 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:40:41,342 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:40:41,342 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 52 remaining)
[2024-11-23 22:40:41,342 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (50 of 52 remaining)
[2024-11-23 22:40:41,342 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (49 of 52 remaining)
[2024-11-23 22:40:41,342 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (48 of 52 remaining)
[2024-11-23 22:40:41,342 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (47 of 52 remaining)
[2024-11-23 22:40:41,343 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (46 of 52 remaining)
[2024-11-23 22:40:41,343 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 52 remaining)
[2024-11-23 22:40:41,343 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (44 of 52 remaining)
[2024-11-23 22:40:41,343 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (43 of 52 remaining)
[2024-11-23 22:40:41,343 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (42 of 52 remaining)
[2024-11-23 22:40:41,343 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (41 of 52 remaining)
[2024-11-23 22:40:41,343 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (40 of 52 remaining)
[2024-11-23 22:40:41,343 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (39 of 52 remaining)
[2024-11-23 22:40:41,343 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (38 of 52 remaining)
[2024-11-23 22:40:41,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (37 of 52 remaining)
[2024-11-23 22:40:41,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (36 of 52 remaining)
[2024-11-23 22:40:41,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (35 of 52 remaining)
[2024-11-23 22:40:41,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (34 of 52 remaining)
[2024-11-23 22:40:41,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (33 of 52 remaining)
[2024-11-23 22:40:41,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (32 of 52 remaining)
[2024-11-23 22:40:41,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (31 of 52 remaining)
[2024-11-23 22:40:41,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 52 remaining)
[2024-11-23 22:40:41,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 52 remaining)
[2024-11-23 22:40:41,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 52 remaining)
[2024-11-23 22:40:41,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 52 remaining)
[2024-11-23 22:40:41,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 52 remaining)
[2024-11-23 22:40:41,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 52 remaining)
[2024-11-23 22:40:41,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 52 remaining)
[2024-11-23 22:40:41,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 52 remaining)
[2024-11-23 22:40:41,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 52 remaining)
[2024-11-23 22:40:41,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 52 remaining)
[2024-11-23 22:40:41,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 52 remaining)
[2024-11-23 22:40:41,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 52 remaining)
[2024-11-23 22:40:41,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 52 remaining)
[2024-11-23 22:40:41,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 52 remaining)
[2024-11-23 22:40:41,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 52 remaining)
[2024-11-23 22:40:41,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 52 remaining)
[2024-11-23 22:40:41,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 52 remaining)
[2024-11-23 22:40:41,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 52 remaining)
[2024-11-23 22:40:41,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 52 remaining)
[2024-11-23 22:40:41,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 52 remaining)
[2024-11-23 22:40:41,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 52 remaining)
[2024-11-23 22:40:41,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 52 remaining)
[2024-11-23 22:40:41,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 52 remaining)
[2024-11-23 22:40:41,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 52 remaining)
[2024-11-23 22:40:41,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 52 remaining)
[2024-11-23 22:40:41,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 52 remaining)
[2024-11-23 22:40:41,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 52 remaining)
[2024-11-23 22:40:41,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 52 remaining)
[2024-11-23 22:40:41,347 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 52 remaining)
[2024-11-23 22:40:41,347 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 52 remaining)
[2024-11-23 22:40:41,347 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 52 remaining)
[2024-11-23 22:40:41,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175
[2024-11-23 22:40:41,348 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:40:41,348 WARN L246 ceAbstractionStarter]: 44 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:40:41,348 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 45 thread instances.
[2024-11-23 22:40:41,617 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:40:41,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1736 places, 1737 transitions, 7794 flow
[2024-11-23 22:40:43,164 INFO L124 PetriNetUnfolderBase]: 232/2975 cut-off events.
[2024-11-23 22:40:43,164 INFO L125 PetriNetUnfolderBase]: For 16170/16170 co-relation queries the response was YES.
[2024-11-23 22:40:43,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4238 conditions, 2975 events. 232/2975 cut-off events. For 16170/16170 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 8615 event pairs, 0 based on Foata normal form. 0/2601 useless extension candidates. Maximal degree in co-relation 4147. Up to 92 conditions per place.
[2024-11-23 22:40:43,201 INFO L82 GeneralOperation]: Start removeDead. Operand has 1736 places, 1737 transitions, 7794 flow
[2024-11-23 22:40:43,209 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 489 places, 400 transitions, 2963 flow
[2024-11-23 22:40:43,209 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:40:43,209 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:40:43,209 INFO L334 AbstractCegarLoop]: Starting to check reachability of 53 error locations.
[2024-11-23 22:40:43,211 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:40:43,211 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:40:43,211 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:40:43,211 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:43,211 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:43,211 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-23 22:40:43,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:43,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1468055386, now seen corresponding path program 1 times
[2024-11-23 22:40:43,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:43,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931840695]
[2024-11-23 22:40:43,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:43,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:43,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:43,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:43,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931840695]
[2024-11-23 22:40:43,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931840695] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:43,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:43,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:43,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357629688]
[2024-11-23 22:40:43,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:43,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:43,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:43,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:43,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:43,583 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1409 out of 1737
[2024-11-23 22:40:43,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 400 transitions, 2963 flow. Second operand has 3 states, 3 states have (on average 1410.3333333333333) internal successors, (4231), 3 states have internal predecessors, (4231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:43,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:43,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1409 of 1737
[2024-11-23 22:40:43,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:44,928 INFO L124 PetriNetUnfolderBase]: 93/2283 cut-off events.
[2024-11-23 22:40:44,929 INFO L125 PetriNetUnfolderBase]: For 17251/17251 co-relation queries the response was YES.
[2024-11-23 22:40:44,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3832 conditions, 2283 events. 93/2283 cut-off events. For 17251/17251 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 6521 event pairs, 46 based on Foata normal form. 93/2187 useless extension candidates. Maximal degree in co-relation 3681. Up to 328 conditions per place.
[2024-11-23 22:40:44,977 INFO L140 encePairwiseOnDemand]: 1731/1737 looper letters, 55 selfloop transitions, 2 changer transitions 1/396 dead transitions.
[2024-11-23 22:40:44,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 490 places, 396 transitions, 3069 flow
[2024-11-23 22:40:44,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:44,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:40:44,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4288 transitions.
[2024-11-23 22:40:44,981 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8228746881596622
[2024-11-23 22:40:44,982 INFO L175 Difference]: Start difference. First operand has 489 places, 400 transitions, 2963 flow. Second operand 3 states and 4288 transitions.
[2024-11-23 22:40:44,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 490 places, 396 transitions, 3069 flow
[2024-11-23 22:40:45,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 489 places, 396 transitions, 1176 flow, removed 946 selfloop flow, removed 1 redundant places.
[2024-11-23 22:40:45,024 INFO L231 Difference]: Finished difference. Result has 489 places, 395 transitions, 1064 flow
[2024-11-23 22:40:45,024 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1737, PETRI_DIFFERENCE_MINUEND_FLOW=1062, PETRI_DIFFERENCE_MINUEND_PLACES=487, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1064, PETRI_PLACES=489, PETRI_TRANSITIONS=395}
[2024-11-23 22:40:45,024 INFO L279 CegarLoopForPetriNet]: 489 programPoint places, 0 predicate places.
[2024-11-23 22:40:45,024 INFO L471 AbstractCegarLoop]: Abstraction has has 489 places, 395 transitions, 1064 flow
[2024-11-23 22:40:45,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1410.3333333333333) internal successors, (4231), 3 states have internal predecessors, (4231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:45,025 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:45,025 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:45,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176
[2024-11-23 22:40:45,025 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-23 22:40:45,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:45,026 INFO L85 PathProgramCache]: Analyzing trace with hash 746602894, now seen corresponding path program 1 times
[2024-11-23 22:40:45,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:45,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973423340]
[2024-11-23 22:40:45,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:45,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:45,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:45,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:45,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973423340]
[2024-11-23 22:40:45,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973423340] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:45,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:45,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:45,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028451121]
[2024-11-23 22:40:45,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:45,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:45,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:45,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:45,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:45,300 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1317 out of 1737
[2024-11-23 22:40:45,303 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 395 transitions, 1064 flow. Second operand has 3 states, 3 states have (on average 1318.0) internal successors, (3954), 3 states have internal predecessors, (3954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:45,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:45,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1317 of 1737
[2024-11-23 22:40:45,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:46,330 INFO L124 PetriNetUnfolderBase]: 47/2049 cut-off events.
[2024-11-23 22:40:46,330 INFO L125 PetriNetUnfolderBase]: For 1124/1124 co-relation queries the response was YES.
[2024-11-23 22:40:46,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2561 conditions, 2049 events. 47/2049 cut-off events. For 1124/1124 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 4851 event pairs, 0 based on Foata normal form. 46/2002 useless extension candidates. Maximal degree in co-relation 2492. Up to 235 conditions per place.
[2024-11-23 22:40:46,368 INFO L140 encePairwiseOnDemand]: 1731/1737 looper letters, 53 selfloop transitions, 1 changer transitions 24/390 dead transitions.
[2024-11-23 22:40:46,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 485 places, 390 transitions, 1166 flow
[2024-11-23 22:40:46,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:46,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:40:46,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4012 transitions.
[2024-11-23 22:40:46,372 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7699098061792362
[2024-11-23 22:40:46,372 INFO L175 Difference]: Start difference. First operand has 489 places, 395 transitions, 1064 flow. Second operand 3 states and 4012 transitions.
[2024-11-23 22:40:46,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 485 places, 390 transitions, 1166 flow
[2024-11-23 22:40:46,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 483 places, 390 transitions, 1162 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:40:46,378 INFO L231 Difference]: Finished difference. Result has 483 places, 366 transitions, 1002 flow
[2024-11-23 22:40:46,378 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1737, PETRI_DIFFERENCE_MINUEND_FLOW=1050, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1002, PETRI_PLACES=483, PETRI_TRANSITIONS=366}
[2024-11-23 22:40:46,379 INFO L279 CegarLoopForPetriNet]: 489 programPoint places, -6 predicate places.
[2024-11-23 22:40:46,379 INFO L471 AbstractCegarLoop]: Abstraction has has 483 places, 366 transitions, 1002 flow
[2024-11-23 22:40:46,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1318.0) internal successors, (3954), 3 states have internal predecessors, (3954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:46,379 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:46,380 INFO L206 CegarLoopForPetriNet]: trace histogram [46, 46, 46, 46, 46, 46, 46, 45, 45, 45, 45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:46,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177
[2024-11-23 22:40:46,380 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-23 22:40:46,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:46,385 INFO L85 PathProgramCache]: Analyzing trace with hash -832307665, now seen corresponding path program 1 times
[2024-11-23 22:40:46,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:46,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856000843]
[2024-11-23 22:40:46,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:46,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:46,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:46,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:46,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856000843]
[2024-11-23 22:40:46,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856000843] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:46,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:46,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:40:46,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844805892]
[2024-11-23 22:40:46,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:46,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:40:46,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:46,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:40:46,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:40:46,921 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1452 out of 1737
[2024-11-23 22:40:46,924 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 483 places, 366 transitions, 1002 flow. Second operand has 5 states, 5 states have (on average 1463.0) internal successors, (7315), 5 states have internal predecessors, (7315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:46,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:46,925 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1452 of 1737
[2024-11-23 22:40:46,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:47,462 INFO L124 PetriNetUnfolderBase]: 0/958 cut-off events.
[2024-11-23 22:40:47,463 INFO L125 PetriNetUnfolderBase]: For 1123/1123 co-relation queries the response was YES.
[2024-11-23 22:40:47,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1288 conditions, 958 events. 0/958 cut-off events. For 1123/1123 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 567 event pairs, 0 based on Foata normal form. 1/958 useless extension candidates. Maximal degree in co-relation 0. Up to 143 conditions per place.
[2024-11-23 22:40:47,464 INFO L140 encePairwiseOnDemand]: 1732/1737 looper letters, 53 selfloop transitions, 2 changer transitions 3/368 dead transitions.
[2024-11-23 22:40:47,464 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 368 transitions, 1122 flow
[2024-11-23 22:40:47,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:40:47,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:40:47,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7319 transitions.
[2024-11-23 22:40:47,469 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8427173287276915
[2024-11-23 22:40:47,469 INFO L175 Difference]: Start difference. First operand has 483 places, 366 transitions, 1002 flow. Second operand 5 states and 7319 transitions.
[2024-11-23 22:40:47,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 368 transitions, 1122 flow
[2024-11-23 22:40:47,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 368 transitions, 1121 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:40:47,475 INFO L231 Difference]: Finished difference. Result has 463 places, 365 transitions, 1007 flow
[2024-11-23 22:40:47,475 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1737, PETRI_DIFFERENCE_MINUEND_FLOW=1001, PETRI_DIFFERENCE_MINUEND_PLACES=457, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1007, PETRI_PLACES=463, PETRI_TRANSITIONS=365}
[2024-11-23 22:40:47,476 INFO L279 CegarLoopForPetriNet]: 489 programPoint places, -26 predicate places.
[2024-11-23 22:40:47,476 INFO L471 AbstractCegarLoop]: Abstraction has has 463 places, 365 transitions, 1007 flow
[2024-11-23 22:40:47,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1463.0) internal successors, (7315), 5 states have internal predecessors, (7315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:47,477 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:47,477 INFO L206 CegarLoopForPetriNet]: trace histogram [46, 46, 46, 46, 46, 46, 46, 45, 45, 45, 45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:47,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178
[2024-11-23 22:40:47,478 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 50 more)] ===
[2024-11-23 22:40:47,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:47,483 INFO L85 PathProgramCache]: Analyzing trace with hash -947581929, now seen corresponding path program 1 times
[2024-11-23 22:40:47,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:47,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745797754]
[2024-11-23 22:40:47,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:47,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:40:47,618 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:40:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:40:48,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:40:48,050 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:40:48,050 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 53 remaining)
[2024-11-23 22:40:48,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining)
[2024-11-23 22:40:48,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining)
[2024-11-23 22:40:48,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining)
[2024-11-23 22:40:48,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining)
[2024-11-23 22:40:48,050 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining)
[2024-11-23 22:40:48,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (46 of 53 remaining)
[2024-11-23 22:40:48,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining)
[2024-11-23 22:40:48,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining)
[2024-11-23 22:40:48,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining)
[2024-11-23 22:40:48,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining)
[2024-11-23 22:40:48,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining)
[2024-11-23 22:40:48,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining)
[2024-11-23 22:40:48,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining)
[2024-11-23 22:40:48,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining)
[2024-11-23 22:40:48,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining)
[2024-11-23 22:40:48,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining)
[2024-11-23 22:40:48,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining)
[2024-11-23 22:40:48,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining)
[2024-11-23 22:40:48,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining)
[2024-11-23 22:40:48,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining)
[2024-11-23 22:40:48,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining)
[2024-11-23 22:40:48,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining)
[2024-11-23 22:40:48,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining)
[2024-11-23 22:40:48,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining)
[2024-11-23 22:40:48,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining)
[2024-11-23 22:40:48,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining)
[2024-11-23 22:40:48,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining)
[2024-11-23 22:40:48,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining)
[2024-11-23 22:40:48,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining)
[2024-11-23 22:40:48,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining)
[2024-11-23 22:40:48,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining)
[2024-11-23 22:40:48,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 53 remaining)
[2024-11-23 22:40:48,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 53 remaining)
[2024-11-23 22:40:48,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 53 remaining)
[2024-11-23 22:40:48,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining)
[2024-11-23 22:40:48,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining)
[2024-11-23 22:40:48,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining)
[2024-11-23 22:40:48,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining)
[2024-11-23 22:40:48,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining)
[2024-11-23 22:40:48,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining)
[2024-11-23 22:40:48,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining)
[2024-11-23 22:40:48,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining)
[2024-11-23 22:40:48,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining)
[2024-11-23 22:40:48,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining)
[2024-11-23 22:40:48,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining)
[2024-11-23 22:40:48,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining)
[2024-11-23 22:40:48,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining)
[2024-11-23 22:40:48,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining)
[2024-11-23 22:40:48,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining)
[2024-11-23 22:40:48,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining)
[2024-11-23 22:40:48,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining)
[2024-11-23 22:40:48,054 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining)
[2024-11-23 22:40:48,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179
[2024-11-23 22:40:48,054 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:40:48,054 WARN L246 ceAbstractionStarter]: 45 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:40:48,054 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 46 thread instances.
[2024-11-23 22:40:48,322 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:40:48,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1773 places, 1774 transitions, 8056 flow
[2024-11-23 22:40:49,738 INFO L124 PetriNetUnfolderBase]: 237/3039 cut-off events.
[2024-11-23 22:40:49,738 INFO L125 PetriNetUnfolderBase]: For 17250/17250 co-relation queries the response was YES.
[2024-11-23 22:40:49,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4353 conditions, 3039 events. 237/3039 cut-off events. For 17250/17250 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 8793 event pairs, 0 based on Foata normal form. 0/2657 useless extension candidates. Maximal degree in co-relation 4260. Up to 94 conditions per place.
[2024-11-23 22:40:49,815 INFO L82 GeneralOperation]: Start removeDead. Operand has 1773 places, 1774 transitions, 8056 flow
[2024-11-23 22:40:49,825 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 498 places, 407 transitions, 3071 flow
[2024-11-23 22:40:49,826 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:40:49,826 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:40:49,826 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations.
[2024-11-23 22:40:49,828 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:40:49,828 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:40:49,828 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:40:49,828 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:49,828 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:49,828 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] ===
[2024-11-23 22:40:49,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:49,828 INFO L85 PathProgramCache]: Analyzing trace with hash 2107240102, now seen corresponding path program 1 times
[2024-11-23 22:40:49,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:49,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626173086]
[2024-11-23 22:40:49,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:49,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:49,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:49,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:49,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626173086]
[2024-11-23 22:40:49,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626173086] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:49,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:49,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:49,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113625527]
[2024-11-23 22:40:49,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:49,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:49,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:49,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:49,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:50,281 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1439 out of 1774
[2024-11-23 22:40:50,283 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 498 places, 407 transitions, 3071 flow. Second operand has 3 states, 3 states have (on average 1440.3333333333333) internal successors, (4321), 3 states have internal predecessors, (4321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:50,284 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:50,284 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1439 of 1774
[2024-11-23 22:40:50,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:51,650 INFO L124 PetriNetUnfolderBase]: 95/2332 cut-off events.
[2024-11-23 22:40:51,650 INFO L125 PetriNetUnfolderBase]: For 18378/18378 co-relation queries the response was YES.
[2024-11-23 22:40:51,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3938 conditions, 2332 events. 95/2332 cut-off events. For 18378/18378 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 6404 event pairs, 47 based on Foata normal form. 95/2234 useless extension candidates. Maximal degree in co-relation 3786. Up to 335 conditions per place.
[2024-11-23 22:40:51,705 INFO L140 encePairwiseOnDemand]: 1768/1774 looper letters, 56 selfloop transitions, 2 changer transitions 1/403 dead transitions.
[2024-11-23 22:40:51,705 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 499 places, 403 transitions, 3179 flow
[2024-11-23 22:40:51,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:51,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:40:51,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4379 transitions.
[2024-11-23 22:40:51,708 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8228109733183014
[2024-11-23 22:40:51,708 INFO L175 Difference]: Start difference. First operand has 498 places, 407 transitions, 3071 flow. Second operand 3 states and 4379 transitions.
[2024-11-23 22:40:51,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 499 places, 403 transitions, 3179 flow
[2024-11-23 22:40:51,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 498 places, 403 transitions, 1198 flow, removed 990 selfloop flow, removed 1 redundant places.
[2024-11-23 22:40:51,754 INFO L231 Difference]: Finished difference. Result has 498 places, 402 transitions, 1084 flow
[2024-11-23 22:40:51,754 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=1082, PETRI_DIFFERENCE_MINUEND_PLACES=496, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1084, PETRI_PLACES=498, PETRI_TRANSITIONS=402}
[2024-11-23 22:40:51,755 INFO L279 CegarLoopForPetriNet]: 498 programPoint places, 0 predicate places.
[2024-11-23 22:40:51,755 INFO L471 AbstractCegarLoop]: Abstraction has has 498 places, 402 transitions, 1084 flow
[2024-11-23 22:40:51,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1440.3333333333333) internal successors, (4321), 3 states have internal predecessors, (4321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:51,756 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:51,756 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:51,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180
[2024-11-23 22:40:51,756 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] ===
[2024-11-23 22:40:51,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:51,757 INFO L85 PathProgramCache]: Analyzing trace with hash 2077571854, now seen corresponding path program 1 times
[2024-11-23 22:40:51,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:51,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361083728]
[2024-11-23 22:40:51,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:51,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:51,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:51,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:51,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361083728]
[2024-11-23 22:40:51,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361083728] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:51,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:51,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:51,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619910327]
[2024-11-23 22:40:51,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:51,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:51,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:51,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:51,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:52,022 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1345 out of 1774
[2024-11-23 22:40:52,024 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 498 places, 402 transitions, 1084 flow. Second operand has 3 states, 3 states have (on average 1346.0) internal successors, (4038), 3 states have internal predecessors, (4038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:52,024 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:52,024 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1345 of 1774
[2024-11-23 22:40:52,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:53,223 INFO L124 PetriNetUnfolderBase]: 48/2093 cut-off events.
[2024-11-23 22:40:53,223 INFO L125 PetriNetUnfolderBase]: For 1172/1172 co-relation queries the response was YES.
[2024-11-23 22:40:53,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2616 conditions, 2093 events. 48/2093 cut-off events. For 1172/1172 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4727 event pairs, 0 based on Foata normal form. 47/2045 useless extension candidates. Maximal degree in co-relation 2546. Up to 240 conditions per place.
[2024-11-23 22:40:53,268 INFO L140 encePairwiseOnDemand]: 1768/1774 looper letters, 54 selfloop transitions, 1 changer transitions 24/397 dead transitions.
[2024-11-23 22:40:53,268 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 494 places, 397 transitions, 1188 flow
[2024-11-23 22:40:53,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:53,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:40:53,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4097 transitions.
[2024-11-23 22:40:53,272 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7698233746711762
[2024-11-23 22:40:53,272 INFO L175 Difference]: Start difference. First operand has 498 places, 402 transitions, 1084 flow. Second operand 3 states and 4097 transitions.
[2024-11-23 22:40:53,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 494 places, 397 transitions, 1188 flow
[2024-11-23 22:40:53,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 397 transitions, 1184 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:40:53,278 INFO L231 Difference]: Finished difference. Result has 492 places, 373 transitions, 1022 flow
[2024-11-23 22:40:53,279 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=1070, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1022, PETRI_PLACES=492, PETRI_TRANSITIONS=373}
[2024-11-23 22:40:53,279 INFO L279 CegarLoopForPetriNet]: 498 programPoint places, -6 predicate places.
[2024-11-23 22:40:53,279 INFO L471 AbstractCegarLoop]: Abstraction has has 492 places, 373 transitions, 1022 flow
[2024-11-23 22:40:53,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1346.0) internal successors, (4038), 3 states have internal predecessors, (4038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:53,280 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:53,280 INFO L206 CegarLoopForPetriNet]: trace histogram [47, 47, 47, 47, 47, 47, 47, 46, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:53,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181
[2024-11-23 22:40:53,280 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] ===
[2024-11-23 22:40:53,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:53,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1356311642, now seen corresponding path program 1 times
[2024-11-23 22:40:53,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:53,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68905253]
[2024-11-23 22:40:53,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:53,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:53,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:53,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:53,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68905253]
[2024-11-23 22:40:53,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68905253] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:53,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:53,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:40:53,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873633783]
[2024-11-23 22:40:53,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:53,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:40:53,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:53,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:40:53,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:40:53,826 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1483 out of 1774
[2024-11-23 22:40:53,829 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 492 places, 373 transitions, 1022 flow. Second operand has 5 states, 5 states have (on average 1494.2) internal successors, (7471), 5 states have internal predecessors, (7471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:53,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:53,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1483 of 1774
[2024-11-23 22:40:53,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:54,362 INFO L124 PetriNetUnfolderBase]: 0/978 cut-off events.
[2024-11-23 22:40:54,363 INFO L125 PetriNetUnfolderBase]: For 1171/1171 co-relation queries the response was YES.
[2024-11-23 22:40:54,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1315 conditions, 978 events. 0/978 cut-off events. For 1171/1171 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 579 event pairs, 0 based on Foata normal form. 1/978 useless extension candidates. Maximal degree in co-relation 0. Up to 146 conditions per place.
[2024-11-23 22:40:54,364 INFO L140 encePairwiseOnDemand]: 1769/1774 looper letters, 54 selfloop transitions, 2 changer transitions 3/375 dead transitions.
[2024-11-23 22:40:54,364 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 471 places, 375 transitions, 1144 flow
[2024-11-23 22:40:54,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:40:54,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:40:54,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7475 transitions.
[2024-11-23 22:40:54,368 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.842728297632469
[2024-11-23 22:40:54,368 INFO L175 Difference]: Start difference. First operand has 492 places, 373 transitions, 1022 flow. Second operand 5 states and 7475 transitions.
[2024-11-23 22:40:54,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 471 places, 375 transitions, 1144 flow
[2024-11-23 22:40:54,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 375 transitions, 1143 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:40:54,374 INFO L231 Difference]: Finished difference. Result has 472 places, 372 transitions, 1027 flow
[2024-11-23 22:40:54,375 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=1021, PETRI_DIFFERENCE_MINUEND_PLACES=466, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1027, PETRI_PLACES=472, PETRI_TRANSITIONS=372}
[2024-11-23 22:40:54,375 INFO L279 CegarLoopForPetriNet]: 498 programPoint places, -26 predicate places.
[2024-11-23 22:40:54,375 INFO L471 AbstractCegarLoop]: Abstraction has has 472 places, 372 transitions, 1027 flow
[2024-11-23 22:40:54,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1494.2) internal successors, (7471), 5 states have internal predecessors, (7471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:54,377 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:54,377 INFO L206 CegarLoopForPetriNet]: trace histogram [47, 47, 47, 47, 47, 47, 47, 46, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:54,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182
[2024-11-23 22:40:54,377 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 51 more)] ===
[2024-11-23 22:40:54,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:54,383 INFO L85 PathProgramCache]: Analyzing trace with hash 889814304, now seen corresponding path program 1 times
[2024-11-23 22:40:54,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:54,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755014731]
[2024-11-23 22:40:54,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:54,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:40:54,515 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:40:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:40:55,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:40:55,259 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:40:55,259 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 54 remaining)
[2024-11-23 22:40:55,259 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining)
[2024-11-23 22:40:55,259 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining)
[2024-11-23 22:40:55,260 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining)
[2024-11-23 22:40:55,260 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining)
[2024-11-23 22:40:55,260 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining)
[2024-11-23 22:40:55,260 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 54 remaining)
[2024-11-23 22:40:55,260 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining)
[2024-11-23 22:40:55,260 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining)
[2024-11-23 22:40:55,260 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining)
[2024-11-23 22:40:55,260 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining)
[2024-11-23 22:40:55,260 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining)
[2024-11-23 22:40:55,260 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining)
[2024-11-23 22:40:55,261 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining)
[2024-11-23 22:40:55,261 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining)
[2024-11-23 22:40:55,261 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining)
[2024-11-23 22:40:55,261 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining)
[2024-11-23 22:40:55,261 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining)
[2024-11-23 22:40:55,261 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining)
[2024-11-23 22:40:55,261 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining)
[2024-11-23 22:40:55,261 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining)
[2024-11-23 22:40:55,261 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining)
[2024-11-23 22:40:55,261 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining)
[2024-11-23 22:40:55,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining)
[2024-11-23 22:40:55,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining)
[2024-11-23 22:40:55,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining)
[2024-11-23 22:40:55,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining)
[2024-11-23 22:40:55,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining)
[2024-11-23 22:40:55,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining)
[2024-11-23 22:40:55,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining)
[2024-11-23 22:40:55,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining)
[2024-11-23 22:40:55,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining)
[2024-11-23 22:40:55,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining)
[2024-11-23 22:40:55,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining)
[2024-11-23 22:40:55,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining)
[2024-11-23 22:40:55,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining)
[2024-11-23 22:40:55,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining)
[2024-11-23 22:40:55,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining)
[2024-11-23 22:40:55,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining)
[2024-11-23 22:40:55,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining)
[2024-11-23 22:40:55,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining)
[2024-11-23 22:40:55,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining)
[2024-11-23 22:40:55,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining)
[2024-11-23 22:40:55,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining)
[2024-11-23 22:40:55,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining)
[2024-11-23 22:40:55,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining)
[2024-11-23 22:40:55,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining)
[2024-11-23 22:40:55,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining)
[2024-11-23 22:40:55,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining)
[2024-11-23 22:40:55,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining)
[2024-11-23 22:40:55,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining)
[2024-11-23 22:40:55,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining)
[2024-11-23 22:40:55,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining)
[2024-11-23 22:40:55,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining)
[2024-11-23 22:40:55,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183
[2024-11-23 22:40:55,265 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:40:55,265 WARN L246 ceAbstractionStarter]: 46 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:40:55,265 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 47 thread instances.
[2024-11-23 22:40:55,544 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:40:55,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1810 places, 1811 transitions, 8322 flow
[2024-11-23 22:40:57,273 INFO L124 PetriNetUnfolderBase]: 242/3103 cut-off events.
[2024-11-23 22:40:57,273 INFO L125 PetriNetUnfolderBase]: For 18377/18377 co-relation queries the response was YES.
[2024-11-23 22:40:57,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4469 conditions, 3103 events. 242/3103 cut-off events. For 18377/18377 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 9015 event pairs, 0 based on Foata normal form. 0/2713 useless extension candidates. Maximal degree in co-relation 4374. Up to 96 conditions per place.
[2024-11-23 22:40:57,312 INFO L82 GeneralOperation]: Start removeDead. Operand has 1810 places, 1811 transitions, 8322 flow
[2024-11-23 22:40:57,321 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 507 places, 414 transitions, 3181 flow
[2024-11-23 22:40:57,322 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:40:57,322 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:40:57,322 INFO L334 AbstractCegarLoop]: Starting to check reachability of 55 error locations.
[2024-11-23 22:40:57,325 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:40:57,325 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:40:57,325 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:40:57,325 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:57,325 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:57,325 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 52 more)] ===
[2024-11-23 22:40:57,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:57,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1338663334, now seen corresponding path program 1 times
[2024-11-23 22:40:57,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:57,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874341296]
[2024-11-23 22:40:57,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:57,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:57,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:57,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:57,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874341296]
[2024-11-23 22:40:57,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874341296] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:57,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:57,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:57,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852885111]
[2024-11-23 22:40:57,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:57,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:57,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:57,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:57,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:57,633 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1469 out of 1811
[2024-11-23 22:40:57,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 414 transitions, 3181 flow. Second operand has 3 states, 3 states have (on average 1470.3333333333333) internal successors, (4411), 3 states have internal predecessors, (4411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:57,636 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:57,636 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1469 of 1811
[2024-11-23 22:40:57,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:40:59,069 INFO L124 PetriNetUnfolderBase]: 97/2381 cut-off events.
[2024-11-23 22:40:59,069 INFO L125 PetriNetUnfolderBase]: For 19553/19553 co-relation queries the response was YES.
[2024-11-23 22:40:59,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4045 conditions, 2381 events. 97/2381 cut-off events. For 19553/19553 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 6306 event pairs, 48 based on Foata normal form. 49/2233 useless extension candidates. Maximal degree in co-relation 3892. Up to 342 conditions per place.
[2024-11-23 22:40:59,103 INFO L140 encePairwiseOnDemand]: 1805/1811 looper letters, 57 selfloop transitions, 2 changer transitions 1/410 dead transitions.
[2024-11-23 22:40:59,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 508 places, 410 transitions, 3291 flow
[2024-11-23 22:40:59,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:40:59,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:40:59,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4470 transitions.
[2024-11-23 22:40:59,109 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8227498619547211
[2024-11-23 22:40:59,109 INFO L175 Difference]: Start difference. First operand has 507 places, 414 transitions, 3181 flow. Second operand 3 states and 4470 transitions.
[2024-11-23 22:40:59,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 508 places, 410 transitions, 3291 flow
[2024-11-23 22:40:59,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 507 places, 410 transitions, 1220 flow, removed 1035 selfloop flow, removed 1 redundant places.
[2024-11-23 22:40:59,155 INFO L231 Difference]: Finished difference. Result has 507 places, 409 transitions, 1104 flow
[2024-11-23 22:40:59,156 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1811, PETRI_DIFFERENCE_MINUEND_FLOW=1102, PETRI_DIFFERENCE_MINUEND_PLACES=505, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1104, PETRI_PLACES=507, PETRI_TRANSITIONS=409}
[2024-11-23 22:40:59,156 INFO L279 CegarLoopForPetriNet]: 507 programPoint places, 0 predicate places.
[2024-11-23 22:40:59,156 INFO L471 AbstractCegarLoop]: Abstraction has has 507 places, 409 transitions, 1104 flow
[2024-11-23 22:40:59,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1470.3333333333333) internal successors, (4411), 3 states have internal predecessors, (4411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:59,157 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:40:59,157 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:40:59,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184
[2024-11-23 22:40:59,157 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 52 more)] ===
[2024-11-23 22:40:59,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:40:59,157 INFO L85 PathProgramCache]: Analyzing trace with hash 233233102, now seen corresponding path program 1 times
[2024-11-23 22:40:59,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:40:59,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638234289]
[2024-11-23 22:40:59,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:40:59,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:40:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:40:59,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:40:59,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:40:59,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638234289]
[2024-11-23 22:40:59,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638234289] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:40:59,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:40:59,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:40:59,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918930144]
[2024-11-23 22:40:59,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:40:59,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:40:59,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:40:59,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:40:59,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:40:59,492 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1373 out of 1811
[2024-11-23 22:40:59,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 409 transitions, 1104 flow. Second operand has 3 states, 3 states have (on average 1374.0) internal successors, (4122), 3 states have internal predecessors, (4122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:40:59,496 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:40:59,496 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1373 of 1811
[2024-11-23 22:40:59,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:41:00,800 INFO L124 PetriNetUnfolderBase]: 49/2137 cut-off events.
[2024-11-23 22:41:00,800 INFO L125 PetriNetUnfolderBase]: For 1221/1221 co-relation queries the response was YES.
[2024-11-23 22:41:00,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2671 conditions, 2137 events. 49/2137 cut-off events. For 1221/1221 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4734 event pairs, 0 based on Foata normal form. 48/2088 useless extension candidates. Maximal degree in co-relation 2600. Up to 245 conditions per place.
[2024-11-23 22:41:00,835 INFO L140 encePairwiseOnDemand]: 1805/1811 looper letters, 55 selfloop transitions, 1 changer transitions 24/404 dead transitions.
[2024-11-23 22:41:00,835 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 503 places, 404 transitions, 1210 flow
[2024-11-23 22:41:00,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:41:00,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:41:00,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4182 transitions.
[2024-11-23 22:41:00,840 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7697404748757593
[2024-11-23 22:41:00,840 INFO L175 Difference]: Start difference. First operand has 507 places, 409 transitions, 1104 flow. Second operand 3 states and 4182 transitions.
[2024-11-23 22:41:00,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 503 places, 404 transitions, 1210 flow
[2024-11-23 22:41:00,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 501 places, 404 transitions, 1206 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:41:00,849 INFO L231 Difference]: Finished difference. Result has 501 places, 380 transitions, 1042 flow
[2024-11-23 22:41:00,849 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1811, PETRI_DIFFERENCE_MINUEND_FLOW=1090, PETRI_DIFFERENCE_MINUEND_PLACES=499, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1042, PETRI_PLACES=501, PETRI_TRANSITIONS=380}
[2024-11-23 22:41:00,849 INFO L279 CegarLoopForPetriNet]: 507 programPoint places, -6 predicate places.
[2024-11-23 22:41:00,849 INFO L471 AbstractCegarLoop]: Abstraction has has 501 places, 380 transitions, 1042 flow
[2024-11-23 22:41:00,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1374.0) internal successors, (4122), 3 states have internal predecessors, (4122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:00,850 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:41:00,850 INFO L206 CegarLoopForPetriNet]: trace histogram [48, 48, 48, 48, 48, 48, 48, 47, 47, 47, 47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:41:00,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185
[2024-11-23 22:41:00,850 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 52 more)] ===
[2024-11-23 22:41:00,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:41:00,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1676706923, now seen corresponding path program 1 times
[2024-11-23 22:41:00,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:41:00,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074630183]
[2024-11-23 22:41:00,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:41:00,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:41:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:41:01,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:41:01,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:41:01,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074630183]
[2024-11-23 22:41:01,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074630183] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:41:01,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:41:01,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:41:01,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60985264]
[2024-11-23 22:41:01,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:41:01,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:41:01,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:41:01,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:41:01,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:41:01,656 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1514 out of 1811
[2024-11-23 22:41:01,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 501 places, 380 transitions, 1042 flow. Second operand has 5 states, 5 states have (on average 1525.4) internal successors, (7627), 5 states have internal predecessors, (7627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:01,663 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:41:01,663 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1514 of 1811
[2024-11-23 22:41:01,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:41:02,316 INFO L124 PetriNetUnfolderBase]: 0/998 cut-off events.
[2024-11-23 22:41:02,316 INFO L125 PetriNetUnfolderBase]: For 1220/1220 co-relation queries the response was YES.
[2024-11-23 22:41:02,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1342 conditions, 998 events. 0/998 cut-off events. For 1220/1220 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 592 event pairs, 0 based on Foata normal form. 1/998 useless extension candidates. Maximal degree in co-relation 0. Up to 149 conditions per place.
[2024-11-23 22:41:02,318 INFO L140 encePairwiseOnDemand]: 1806/1811 looper letters, 55 selfloop transitions, 2 changer transitions 3/382 dead transitions.
[2024-11-23 22:41:02,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 382 transitions, 1166 flow
[2024-11-23 22:41:02,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:41:02,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:41:02,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7631 transitions.
[2024-11-23 22:41:02,325 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.842738818332413
[2024-11-23 22:41:02,325 INFO L175 Difference]: Start difference. First operand has 501 places, 380 transitions, 1042 flow. Second operand 5 states and 7631 transitions.
[2024-11-23 22:41:02,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 382 transitions, 1166 flow
[2024-11-23 22:41:02,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 479 places, 382 transitions, 1165 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:41:02,332 INFO L231 Difference]: Finished difference. Result has 481 places, 379 transitions, 1047 flow
[2024-11-23 22:41:02,332 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1811, PETRI_DIFFERENCE_MINUEND_FLOW=1041, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1047, PETRI_PLACES=481, PETRI_TRANSITIONS=379}
[2024-11-23 22:41:02,333 INFO L279 CegarLoopForPetriNet]: 507 programPoint places, -26 predicate places.
[2024-11-23 22:41:02,333 INFO L471 AbstractCegarLoop]: Abstraction has has 481 places, 379 transitions, 1047 flow
[2024-11-23 22:41:02,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1525.4) internal successors, (7627), 5 states have internal predecessors, (7627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:02,334 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:41:02,334 INFO L206 CegarLoopForPetriNet]: trace histogram [48, 48, 48, 48, 48, 48, 48, 47, 47, 47, 47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:41:02,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186
[2024-11-23 22:41:02,335 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 52 more)] ===
[2024-11-23 22:41:02,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:41:02,341 INFO L85 PathProgramCache]: Analyzing trace with hash -757513262, now seen corresponding path program 1 times
[2024-11-23 22:41:02,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:41:02,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299496745]
[2024-11-23 22:41:02,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:41:02,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:41:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:41:02,510 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:41:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:41:03,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:41:03,290 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:41:03,290 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 55 remaining)
[2024-11-23 22:41:03,291 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (53 of 55 remaining)
[2024-11-23 22:41:03,291 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (52 of 55 remaining)
[2024-11-23 22:41:03,291 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (51 of 55 remaining)
[2024-11-23 22:41:03,291 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (50 of 55 remaining)
[2024-11-23 22:41:03,291 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (49 of 55 remaining)
[2024-11-23 22:41:03,291 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 55 remaining)
[2024-11-23 22:41:03,291 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (47 of 55 remaining)
[2024-11-23 22:41:03,291 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (46 of 55 remaining)
[2024-11-23 22:41:03,291 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (45 of 55 remaining)
[2024-11-23 22:41:03,291 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (44 of 55 remaining)
[2024-11-23 22:41:03,291 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (43 of 55 remaining)
[2024-11-23 22:41:03,291 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (42 of 55 remaining)
[2024-11-23 22:41:03,291 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (41 of 55 remaining)
[2024-11-23 22:41:03,291 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (40 of 55 remaining)
[2024-11-23 22:41:03,292 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (39 of 55 remaining)
[2024-11-23 22:41:03,292 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (38 of 55 remaining)
[2024-11-23 22:41:03,292 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (37 of 55 remaining)
[2024-11-23 22:41:03,292 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (36 of 55 remaining)
[2024-11-23 22:41:03,292 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (35 of 55 remaining)
[2024-11-23 22:41:03,292 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (34 of 55 remaining)
[2024-11-23 22:41:03,292 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (33 of 55 remaining)
[2024-11-23 22:41:03,292 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (32 of 55 remaining)
[2024-11-23 22:41:03,292 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (31 of 55 remaining)
[2024-11-23 22:41:03,292 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 55 remaining)
[2024-11-23 22:41:03,292 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 55 remaining)
[2024-11-23 22:41:03,292 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 55 remaining)
[2024-11-23 22:41:03,292 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 55 remaining)
[2024-11-23 22:41:03,292 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 55 remaining)
[2024-11-23 22:41:03,292 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 55 remaining)
[2024-11-23 22:41:03,292 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 55 remaining)
[2024-11-23 22:41:03,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 55 remaining)
[2024-11-23 22:41:03,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 55 remaining)
[2024-11-23 22:41:03,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 55 remaining)
[2024-11-23 22:41:03,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 55 remaining)
[2024-11-23 22:41:03,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 55 remaining)
[2024-11-23 22:41:03,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 55 remaining)
[2024-11-23 22:41:03,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 55 remaining)
[2024-11-23 22:41:03,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 55 remaining)
[2024-11-23 22:41:03,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 55 remaining)
[2024-11-23 22:41:03,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 55 remaining)
[2024-11-23 22:41:03,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 55 remaining)
[2024-11-23 22:41:03,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 55 remaining)
[2024-11-23 22:41:03,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 55 remaining)
[2024-11-23 22:41:03,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 55 remaining)
[2024-11-23 22:41:03,293 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 55 remaining)
[2024-11-23 22:41:03,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 55 remaining)
[2024-11-23 22:41:03,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 55 remaining)
[2024-11-23 22:41:03,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 55 remaining)
[2024-11-23 22:41:03,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 55 remaining)
[2024-11-23 22:41:03,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 55 remaining)
[2024-11-23 22:41:03,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 55 remaining)
[2024-11-23 22:41:03,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 55 remaining)
[2024-11-23 22:41:03,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 55 remaining)
[2024-11-23 22:41:03,294 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 55 remaining)
[2024-11-23 22:41:03,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187
[2024-11-23 22:41:03,294 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:41:03,295 WARN L246 ceAbstractionStarter]: 47 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:41:03,295 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 48 thread instances.
[2024-11-23 22:41:03,573 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:41:03,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1847 places, 1848 transitions, 8592 flow
[2024-11-23 22:41:05,495 INFO L124 PetriNetUnfolderBase]: 247/3167 cut-off events.
[2024-11-23 22:41:05,495 INFO L125 PetriNetUnfolderBase]: For 19552/19552 co-relation queries the response was YES.
[2024-11-23 22:41:05,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4586 conditions, 3167 events. 247/3167 cut-off events. For 19552/19552 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 8960 event pairs, 0 based on Foata normal form. 0/2769 useless extension candidates. Maximal degree in co-relation 4489. Up to 98 conditions per place.
[2024-11-23 22:41:05,548 INFO L82 GeneralOperation]: Start removeDead. Operand has 1847 places, 1848 transitions, 8592 flow
[2024-11-23 22:41:05,558 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 516 places, 421 transitions, 3293 flow
[2024-11-23 22:41:05,558 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:41:05,558 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:41:05,558 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations.
[2024-11-23 22:41:05,560 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:41:05,560 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:41:05,560 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:41:05,560 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:41:05,560 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:41:05,560 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 53 more)] ===
[2024-11-23 22:41:05,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:41:05,561 INFO L85 PathProgramCache]: Analyzing trace with hash 521181606, now seen corresponding path program 1 times
[2024-11-23 22:41:05,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:41:05,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776004320]
[2024-11-23 22:41:05,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:41:05,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:41:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:41:05,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:41:05,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:41:05,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776004320]
[2024-11-23 22:41:05,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776004320] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:41:05,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:41:05,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:41:05,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485716941]
[2024-11-23 22:41:05,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:41:05,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:41:05,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:41:05,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:41:05,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:41:05,924 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1499 out of 1848
[2024-11-23 22:41:05,927 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 421 transitions, 3293 flow. Second operand has 3 states, 3 states have (on average 1500.3333333333333) internal successors, (4501), 3 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:05,927 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:41:05,927 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1499 of 1848
[2024-11-23 22:41:05,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:41:07,667 INFO L124 PetriNetUnfolderBase]: 99/2430 cut-off events.
[2024-11-23 22:41:07,667 INFO L125 PetriNetUnfolderBase]: For 20777/20777 co-relation queries the response was YES.
[2024-11-23 22:41:07,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4153 conditions, 2430 events. 99/2430 cut-off events. For 20777/20777 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 6455 event pairs, 49 based on Foata normal form. 50/2279 useless extension candidates. Maximal degree in co-relation 3999. Up to 349 conditions per place.
[2024-11-23 22:41:07,698 INFO L140 encePairwiseOnDemand]: 1842/1848 looper letters, 58 selfloop transitions, 2 changer transitions 1/417 dead transitions.
[2024-11-23 22:41:07,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 417 transitions, 3405 flow
[2024-11-23 22:41:07,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:41:07,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:41:07,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4561 transitions.
[2024-11-23 22:41:07,701 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8226911976911977
[2024-11-23 22:41:07,702 INFO L175 Difference]: Start difference. First operand has 516 places, 421 transitions, 3293 flow. Second operand 3 states and 4561 transitions.
[2024-11-23 22:41:07,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 417 transitions, 3405 flow
[2024-11-23 22:41:07,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 417 transitions, 1242 flow, removed 1081 selfloop flow, removed 1 redundant places.
[2024-11-23 22:41:07,761 INFO L231 Difference]: Finished difference. Result has 516 places, 416 transitions, 1124 flow
[2024-11-23 22:41:07,761 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1848, PETRI_DIFFERENCE_MINUEND_FLOW=1122, PETRI_DIFFERENCE_MINUEND_PLACES=514, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1124, PETRI_PLACES=516, PETRI_TRANSITIONS=416}
[2024-11-23 22:41:07,762 INFO L279 CegarLoopForPetriNet]: 516 programPoint places, 0 predicate places.
[2024-11-23 22:41:07,762 INFO L471 AbstractCegarLoop]: Abstraction has has 516 places, 416 transitions, 1124 flow
[2024-11-23 22:41:07,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1500.3333333333333) internal successors, (4501), 3 states have internal predecessors, (4501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:07,763 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:41:07,763 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:41:07,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188
[2024-11-23 22:41:07,764 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 53 more)] ===
[2024-11-23 22:41:07,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:41:07,764 INFO L85 PathProgramCache]: Analyzing trace with hash -491446066, now seen corresponding path program 1 times
[2024-11-23 22:41:07,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:41:07,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367472973]
[2024-11-23 22:41:07,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:41:07,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:41:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:41:07,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:41:07,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:41:07,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367472973]
[2024-11-23 22:41:07,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367472973] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:41:07,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:41:07,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:41:07,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076220731]
[2024-11-23 22:41:07,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:41:07,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:41:07,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:41:07,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:41:07,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:41:08,129 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1401 out of 1848
[2024-11-23 22:41:08,133 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 416 transitions, 1124 flow. Second operand has 3 states, 3 states have (on average 1402.0) internal successors, (4206), 3 states have internal predecessors, (4206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:08,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:41:08,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1401 of 1848
[2024-11-23 22:41:08,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:41:09,677 INFO L124 PetriNetUnfolderBase]: 50/2181 cut-off events.
[2024-11-23 22:41:09,677 INFO L125 PetriNetUnfolderBase]: For 1271/1271 co-relation queries the response was YES.
[2024-11-23 22:41:09,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2726 conditions, 2181 events. 50/2181 cut-off events. For 1271/1271 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 4833 event pairs, 0 based on Foata normal form. 49/2131 useless extension candidates. Maximal degree in co-relation 2654. Up to 250 conditions per place.
[2024-11-23 22:41:09,701 INFO L140 encePairwiseOnDemand]: 1842/1848 looper letters, 56 selfloop transitions, 1 changer transitions 24/411 dead transitions.
[2024-11-23 22:41:09,701 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 411 transitions, 1232 flow
[2024-11-23 22:41:09,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:41:09,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:41:09,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4267 transitions.
[2024-11-23 22:41:09,705 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7696608946608947
[2024-11-23 22:41:09,705 INFO L175 Difference]: Start difference. First operand has 516 places, 416 transitions, 1124 flow. Second operand 3 states and 4267 transitions.
[2024-11-23 22:41:09,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 411 transitions, 1232 flow
[2024-11-23 22:41:09,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 510 places, 411 transitions, 1228 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:41:09,711 INFO L231 Difference]: Finished difference. Result has 510 places, 387 transitions, 1062 flow
[2024-11-23 22:41:09,711 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1848, PETRI_DIFFERENCE_MINUEND_FLOW=1110, PETRI_DIFFERENCE_MINUEND_PLACES=508, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1062, PETRI_PLACES=510, PETRI_TRANSITIONS=387}
[2024-11-23 22:41:09,712 INFO L279 CegarLoopForPetriNet]: 516 programPoint places, -6 predicate places.
[2024-11-23 22:41:09,712 INFO L471 AbstractCegarLoop]: Abstraction has has 510 places, 387 transitions, 1062 flow
[2024-11-23 22:41:09,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1402.0) internal successors, (4206), 3 states have internal predecessors, (4206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:09,712 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:41:09,713 INFO L206 CegarLoopForPetriNet]: trace histogram [49, 49, 49, 49, 49, 49, 49, 48, 48, 48, 48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:41:09,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189
[2024-11-23 22:41:09,713 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 53 more)] ===
[2024-11-23 22:41:09,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:41:09,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1866465122, now seen corresponding path program 1 times
[2024-11-23 22:41:09,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:41:09,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465517698]
[2024-11-23 22:41:09,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:41:09,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:41:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:41:10,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:41:10,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:41:10,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465517698]
[2024-11-23 22:41:10,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465517698] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:41:10,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:41:10,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:41:10,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036068865]
[2024-11-23 22:41:10,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:41:10,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:41:10,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:41:10,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:41:10,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:41:10,332 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1545 out of 1848
[2024-11-23 22:41:10,336 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 387 transitions, 1062 flow. Second operand has 5 states, 5 states have (on average 1556.6) internal successors, (7783), 5 states have internal predecessors, (7783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:10,336 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:41:10,336 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1545 of 1848
[2024-11-23 22:41:10,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:41:10,899 INFO L124 PetriNetUnfolderBase]: 0/1018 cut-off events.
[2024-11-23 22:41:10,899 INFO L125 PetriNetUnfolderBase]: For 1270/1270 co-relation queries the response was YES.
[2024-11-23 22:41:10,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1369 conditions, 1018 events. 0/1018 cut-off events. For 1270/1270 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 603 event pairs, 0 based on Foata normal form. 1/1018 useless extension candidates. Maximal degree in co-relation 0. Up to 152 conditions per place.
[2024-11-23 22:41:10,900 INFO L140 encePairwiseOnDemand]: 1843/1848 looper letters, 56 selfloop transitions, 2 changer transitions 3/389 dead transitions.
[2024-11-23 22:41:10,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 389 transitions, 1188 flow
[2024-11-23 22:41:10,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:41:10,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:41:10,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7787 transitions.
[2024-11-23 22:41:10,906 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8427489177489178
[2024-11-23 22:41:10,906 INFO L175 Difference]: Start difference. First operand has 510 places, 387 transitions, 1062 flow. Second operand 5 states and 7787 transitions.
[2024-11-23 22:41:10,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 389 transitions, 1188 flow
[2024-11-23 22:41:10,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 488 places, 389 transitions, 1187 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:41:10,912 INFO L231 Difference]: Finished difference. Result has 490 places, 386 transitions, 1067 flow
[2024-11-23 22:41:10,912 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1848, PETRI_DIFFERENCE_MINUEND_FLOW=1061, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=385, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1067, PETRI_PLACES=490, PETRI_TRANSITIONS=386}
[2024-11-23 22:41:10,913 INFO L279 CegarLoopForPetriNet]: 516 programPoint places, -26 predicate places.
[2024-11-23 22:41:10,913 INFO L471 AbstractCegarLoop]: Abstraction has has 490 places, 386 transitions, 1067 flow
[2024-11-23 22:41:10,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1556.6) internal successors, (7783), 5 states have internal predecessors, (7783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:10,915 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:41:10,915 INFO L206 CegarLoopForPetriNet]: trace histogram [49, 49, 49, 49, 49, 49, 49, 48, 48, 48, 48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:41:10,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190
[2024-11-23 22:41:10,915 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 53 more)] ===
[2024-11-23 22:41:10,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:41:10,924 INFO L85 PathProgramCache]: Analyzing trace with hash -506839411, now seen corresponding path program 1 times
[2024-11-23 22:41:10,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:41:10,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840532682]
[2024-11-23 22:41:10,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:41:10,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:41:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:41:11,044 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:41:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:41:11,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:41:11,721 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:41:11,721 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 56 remaining)
[2024-11-23 22:41:11,721 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (54 of 56 remaining)
[2024-11-23 22:41:11,721 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (53 of 56 remaining)
[2024-11-23 22:41:11,721 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (52 of 56 remaining)
[2024-11-23 22:41:11,721 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (51 of 56 remaining)
[2024-11-23 22:41:11,721 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (50 of 56 remaining)
[2024-11-23 22:41:11,721 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 56 remaining)
[2024-11-23 22:41:11,721 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (48 of 56 remaining)
[2024-11-23 22:41:11,721 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (47 of 56 remaining)
[2024-11-23 22:41:11,721 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (46 of 56 remaining)
[2024-11-23 22:41:11,722 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (45 of 56 remaining)
[2024-11-23 22:41:11,722 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (44 of 56 remaining)
[2024-11-23 22:41:11,722 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (43 of 56 remaining)
[2024-11-23 22:41:11,722 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (42 of 56 remaining)
[2024-11-23 22:41:11,722 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (41 of 56 remaining)
[2024-11-23 22:41:11,722 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (40 of 56 remaining)
[2024-11-23 22:41:11,722 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (39 of 56 remaining)
[2024-11-23 22:41:11,722 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (38 of 56 remaining)
[2024-11-23 22:41:11,722 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (37 of 56 remaining)
[2024-11-23 22:41:11,722 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (36 of 56 remaining)
[2024-11-23 22:41:11,722 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (35 of 56 remaining)
[2024-11-23 22:41:11,722 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (34 of 56 remaining)
[2024-11-23 22:41:11,722 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (33 of 56 remaining)
[2024-11-23 22:41:11,722 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (32 of 56 remaining)
[2024-11-23 22:41:11,722 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (31 of 56 remaining)
[2024-11-23 22:41:11,722 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 56 remaining)
[2024-11-23 22:41:11,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 56 remaining)
[2024-11-23 22:41:11,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 56 remaining)
[2024-11-23 22:41:11,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 56 remaining)
[2024-11-23 22:41:11,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 56 remaining)
[2024-11-23 22:41:11,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 56 remaining)
[2024-11-23 22:41:11,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 56 remaining)
[2024-11-23 22:41:11,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 56 remaining)
[2024-11-23 22:41:11,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 56 remaining)
[2024-11-23 22:41:11,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 56 remaining)
[2024-11-23 22:41:11,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 56 remaining)
[2024-11-23 22:41:11,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 56 remaining)
[2024-11-23 22:41:11,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 56 remaining)
[2024-11-23 22:41:11,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 56 remaining)
[2024-11-23 22:41:11,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 56 remaining)
[2024-11-23 22:41:11,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 56 remaining)
[2024-11-23 22:41:11,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 56 remaining)
[2024-11-23 22:41:11,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 56 remaining)
[2024-11-23 22:41:11,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 56 remaining)
[2024-11-23 22:41:11,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 56 remaining)
[2024-11-23 22:41:11,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 56 remaining)
[2024-11-23 22:41:11,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 56 remaining)
[2024-11-23 22:41:11,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 56 remaining)
[2024-11-23 22:41:11,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 56 remaining)
[2024-11-23 22:41:11,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 56 remaining)
[2024-11-23 22:41:11,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 56 remaining)
[2024-11-23 22:41:11,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 56 remaining)
[2024-11-23 22:41:11,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 56 remaining)
[2024-11-23 22:41:11,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 56 remaining)
[2024-11-23 22:41:11,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 56 remaining)
[2024-11-23 22:41:11,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 56 remaining)
[2024-11-23 22:41:11,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191
[2024-11-23 22:41:11,725 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:41:11,725 WARN L246 ceAbstractionStarter]: 48 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:41:11,725 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 49 thread instances.
[2024-11-23 22:41:11,992 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:41:12,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1884 places, 1885 transitions, 8866 flow
[2024-11-23 22:41:13,557 INFO L124 PetriNetUnfolderBase]: 252/3231 cut-off events.
[2024-11-23 22:41:13,557 INFO L125 PetriNetUnfolderBase]: For 20776/20776 co-relation queries the response was YES.
[2024-11-23 22:41:13,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4704 conditions, 3231 events. 252/3231 cut-off events. For 20776/20776 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 9289 event pairs, 0 based on Foata normal form. 0/2825 useless extension candidates. Maximal degree in co-relation 4605. Up to 100 conditions per place.
[2024-11-23 22:41:13,653 INFO L82 GeneralOperation]: Start removeDead. Operand has 1884 places, 1885 transitions, 8866 flow
[2024-11-23 22:41:13,668 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 525 places, 428 transitions, 3407 flow
[2024-11-23 22:41:13,669 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:41:13,669 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:41:13,669 INFO L334 AbstractCegarLoop]: Starting to check reachability of 57 error locations.
[2024-11-23 22:41:13,672 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:41:13,672 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:41:13,672 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:41:13,672 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:41:13,672 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:41:13,673 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 54 more)] ===
[2024-11-23 22:41:13,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:41:13,673 INFO L85 PathProgramCache]: Analyzing trace with hash -345205082, now seen corresponding path program 1 times
[2024-11-23 22:41:13,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:41:13,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970986342]
[2024-11-23 22:41:13,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:41:13,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:41:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:41:13,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:41:13,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:41:13,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970986342]
[2024-11-23 22:41:13,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970986342] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:41:13,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:41:13,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:41:13,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008117972]
[2024-11-23 22:41:13,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:41:13,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:41:13,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:41:13,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:41:13,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:41:14,123 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1529 out of 1885
[2024-11-23 22:41:14,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 525 places, 428 transitions, 3407 flow. Second operand has 3 states, 3 states have (on average 1530.3333333333333) internal successors, (4591), 3 states have internal predecessors, (4591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:14,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:41:14,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1529 of 1885
[2024-11-23 22:41:14,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:41:16,376 INFO L124 PetriNetUnfolderBase]: 101/2479 cut-off events.
[2024-11-23 22:41:16,376 INFO L125 PetriNetUnfolderBase]: For 22051/22051 co-relation queries the response was YES.
[2024-11-23 22:41:16,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4262 conditions, 2479 events. 101/2479 cut-off events. For 22051/22051 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 6856 event pairs, 50 based on Foata normal form. 101/2375 useless extension candidates. Maximal degree in co-relation 4107. Up to 356 conditions per place.
[2024-11-23 22:41:16,449 INFO L140 encePairwiseOnDemand]: 1879/1885 looper letters, 59 selfloop transitions, 2 changer transitions 1/424 dead transitions.
[2024-11-23 22:41:16,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 526 places, 424 transitions, 3521 flow
[2024-11-23 22:41:16,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:41:16,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:41:16,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4652 transitions.
[2024-11-23 22:41:16,455 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8226348364279399
[2024-11-23 22:41:16,455 INFO L175 Difference]: Start difference. First operand has 525 places, 428 transitions, 3407 flow. Second operand 3 states and 4652 transitions.
[2024-11-23 22:41:16,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 526 places, 424 transitions, 3521 flow
[2024-11-23 22:41:16,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 424 transitions, 1264 flow, removed 1128 selfloop flow, removed 1 redundant places.
[2024-11-23 22:41:16,556 INFO L231 Difference]: Finished difference. Result has 525 places, 423 transitions, 1144 flow
[2024-11-23 22:41:16,557 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1885, PETRI_DIFFERENCE_MINUEND_FLOW=1142, PETRI_DIFFERENCE_MINUEND_PLACES=523, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1144, PETRI_PLACES=525, PETRI_TRANSITIONS=423}
[2024-11-23 22:41:16,557 INFO L279 CegarLoopForPetriNet]: 525 programPoint places, 0 predicate places.
[2024-11-23 22:41:16,557 INFO L471 AbstractCegarLoop]: Abstraction has has 525 places, 423 transitions, 1144 flow
[2024-11-23 22:41:16,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1530.3333333333333) internal successors, (4591), 3 states have internal predecessors, (4591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:16,558 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:41:16,558 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:41:16,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192
[2024-11-23 22:41:16,558 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 54 more)] ===
[2024-11-23 22:41:16,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:41:16,559 INFO L85 PathProgramCache]: Analyzing trace with hash -96465650, now seen corresponding path program 1 times
[2024-11-23 22:41:16,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:41:16,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039897348]
[2024-11-23 22:41:16,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:41:16,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:41:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:41:16,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:41:16,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:41:16,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039897348]
[2024-11-23 22:41:16,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039897348] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:41:16,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:41:16,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:41:16,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203416879]
[2024-11-23 22:41:16,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:41:16,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:41:16,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:41:16,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:41:16,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:41:16,947 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1429 out of 1885
[2024-11-23 22:41:16,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 525 places, 423 transitions, 1144 flow. Second operand has 3 states, 3 states have (on average 1430.0) internal successors, (4290), 3 states have internal predecessors, (4290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:16,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:41:16,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1429 of 1885
[2024-11-23 22:41:16,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:41:18,404 INFO L124 PetriNetUnfolderBase]: 51/2225 cut-off events.
[2024-11-23 22:41:18,404 INFO L125 PetriNetUnfolderBase]: For 1322/1322 co-relation queries the response was YES.
[2024-11-23 22:41:18,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2781 conditions, 2225 events. 51/2225 cut-off events. For 1322/1322 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 5033 event pairs, 0 based on Foata normal form. 50/2174 useless extension candidates. Maximal degree in co-relation 2708. Up to 255 conditions per place.
[2024-11-23 22:41:18,432 INFO L140 encePairwiseOnDemand]: 1879/1885 looper letters, 57 selfloop transitions, 1 changer transitions 24/418 dead transitions.
[2024-11-23 22:41:18,432 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 418 transitions, 1254 flow
[2024-11-23 22:41:18,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:41:18,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:41:18,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4352 transitions.
[2024-11-23 22:41:18,435 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7695844385499558
[2024-11-23 22:41:18,435 INFO L175 Difference]: Start difference. First operand has 525 places, 423 transitions, 1144 flow. Second operand 3 states and 4352 transitions.
[2024-11-23 22:41:18,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 418 transitions, 1254 flow
[2024-11-23 22:41:18,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 519 places, 418 transitions, 1250 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:41:18,441 INFO L231 Difference]: Finished difference. Result has 519 places, 394 transitions, 1082 flow
[2024-11-23 22:41:18,442 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1885, PETRI_DIFFERENCE_MINUEND_FLOW=1130, PETRI_DIFFERENCE_MINUEND_PLACES=517, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=417, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1082, PETRI_PLACES=519, PETRI_TRANSITIONS=394}
[2024-11-23 22:41:18,442 INFO L279 CegarLoopForPetriNet]: 525 programPoint places, -6 predicate places.
[2024-11-23 22:41:18,442 INFO L471 AbstractCegarLoop]: Abstraction has has 519 places, 394 transitions, 1082 flow
[2024-11-23 22:41:18,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1430.0) internal successors, (4290), 3 states have internal predecessors, (4290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:18,443 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:41:18,443 INFO L206 CegarLoopForPetriNet]: trace histogram [50, 50, 50, 50, 50, 50, 50, 49, 49, 49, 49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:41:18,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193
[2024-11-23 22:41:18,443 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 54 more)] ===
[2024-11-23 22:41:18,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:41:18,449 INFO L85 PathProgramCache]: Analyzing trace with hash 636958815, now seen corresponding path program 1 times
[2024-11-23 22:41:18,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:41:18,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436983848]
[2024-11-23 22:41:18,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:41:18,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:41:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:41:18,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:41:18,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:41:18,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436983848]
[2024-11-23 22:41:18,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436983848] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:41:18,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:41:18,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:41:18,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406354033]
[2024-11-23 22:41:18,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:41:18,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:41:18,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:41:18,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:41:18,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:41:19,090 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1576 out of 1885
[2024-11-23 22:41:19,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 519 places, 394 transitions, 1082 flow. Second operand has 5 states, 5 states have (on average 1587.8) internal successors, (7939), 5 states have internal predecessors, (7939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:19,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:41:19,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1576 of 1885
[2024-11-23 22:41:19,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:41:19,693 INFO L124 PetriNetUnfolderBase]: 0/1038 cut-off events.
[2024-11-23 22:41:19,693 INFO L125 PetriNetUnfolderBase]: For 1321/1321 co-relation queries the response was YES.
[2024-11-23 22:41:19,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1396 conditions, 1038 events. 0/1038 cut-off events. For 1321/1321 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 615 event pairs, 0 based on Foata normal form. 1/1038 useless extension candidates. Maximal degree in co-relation 0. Up to 155 conditions per place.
[2024-11-23 22:41:19,695 INFO L140 encePairwiseOnDemand]: 1880/1885 looper letters, 57 selfloop transitions, 2 changer transitions 3/396 dead transitions.
[2024-11-23 22:41:19,695 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 396 transitions, 1210 flow
[2024-11-23 22:41:19,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:41:19,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:41:19,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7943 transitions.
[2024-11-23 22:41:19,699 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8427586206896551
[2024-11-23 22:41:19,699 INFO L175 Difference]: Start difference. First operand has 519 places, 394 transitions, 1082 flow. Second operand 5 states and 7943 transitions.
[2024-11-23 22:41:19,700 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 498 places, 396 transitions, 1210 flow
[2024-11-23 22:41:19,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 396 transitions, 1209 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:41:19,706 INFO L231 Difference]: Finished difference. Result has 499 places, 393 transitions, 1087 flow
[2024-11-23 22:41:19,706 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1885, PETRI_DIFFERENCE_MINUEND_FLOW=1081, PETRI_DIFFERENCE_MINUEND_PLACES=493, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1087, PETRI_PLACES=499, PETRI_TRANSITIONS=393}
[2024-11-23 22:41:19,706 INFO L279 CegarLoopForPetriNet]: 525 programPoint places, -26 predicate places.
[2024-11-23 22:41:19,706 INFO L471 AbstractCegarLoop]: Abstraction has has 499 places, 393 transitions, 1087 flow
[2024-11-23 22:41:19,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1587.8) internal successors, (7939), 5 states have internal predecessors, (7939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:19,708 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:41:19,708 INFO L206 CegarLoopForPetriNet]: trace histogram [50, 50, 50, 50, 50, 50, 50, 49, 49, 49, 49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:41:19,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194
[2024-11-23 22:41:19,708 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 54 more)] ===
[2024-11-23 22:41:19,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:41:19,714 INFO L85 PathProgramCache]: Analyzing trace with hash -251434063, now seen corresponding path program 1 times
[2024-11-23 22:41:19,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:41:19,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307417207]
[2024-11-23 22:41:19,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:41:19,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:41:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:41:19,863 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:41:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:41:20,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:41:20,384 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:41:20,385 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (56 of 57 remaining)
[2024-11-23 22:41:20,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (55 of 57 remaining)
[2024-11-23 22:41:20,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (54 of 57 remaining)
[2024-11-23 22:41:20,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (53 of 57 remaining)
[2024-11-23 22:41:20,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (52 of 57 remaining)
[2024-11-23 22:41:20,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (51 of 57 remaining)
[2024-11-23 22:41:20,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 57 remaining)
[2024-11-23 22:41:20,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (49 of 57 remaining)
[2024-11-23 22:41:20,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (48 of 57 remaining)
[2024-11-23 22:41:20,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (47 of 57 remaining)
[2024-11-23 22:41:20,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (46 of 57 remaining)
[2024-11-23 22:41:20,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (45 of 57 remaining)
[2024-11-23 22:41:20,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (44 of 57 remaining)
[2024-11-23 22:41:20,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (43 of 57 remaining)
[2024-11-23 22:41:20,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (42 of 57 remaining)
[2024-11-23 22:41:20,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (41 of 57 remaining)
[2024-11-23 22:41:20,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (40 of 57 remaining)
[2024-11-23 22:41:20,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (39 of 57 remaining)
[2024-11-23 22:41:20,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (38 of 57 remaining)
[2024-11-23 22:41:20,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (37 of 57 remaining)
[2024-11-23 22:41:20,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (36 of 57 remaining)
[2024-11-23 22:41:20,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (35 of 57 remaining)
[2024-11-23 22:41:20,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (34 of 57 remaining)
[2024-11-23 22:41:20,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (33 of 57 remaining)
[2024-11-23 22:41:20,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (32 of 57 remaining)
[2024-11-23 22:41:20,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (31 of 57 remaining)
[2024-11-23 22:41:20,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 57 remaining)
[2024-11-23 22:41:20,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 57 remaining)
[2024-11-23 22:41:20,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 57 remaining)
[2024-11-23 22:41:20,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 57 remaining)
[2024-11-23 22:41:20,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 57 remaining)
[2024-11-23 22:41:20,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 57 remaining)
[2024-11-23 22:41:20,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 57 remaining)
[2024-11-23 22:41:20,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 57 remaining)
[2024-11-23 22:41:20,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 57 remaining)
[2024-11-23 22:41:20,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 57 remaining)
[2024-11-23 22:41:20,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 57 remaining)
[2024-11-23 22:41:20,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 57 remaining)
[2024-11-23 22:41:20,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 57 remaining)
[2024-11-23 22:41:20,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 57 remaining)
[2024-11-23 22:41:20,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 57 remaining)
[2024-11-23 22:41:20,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 57 remaining)
[2024-11-23 22:41:20,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 57 remaining)
[2024-11-23 22:41:20,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 57 remaining)
[2024-11-23 22:41:20,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 57 remaining)
[2024-11-23 22:41:20,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 57 remaining)
[2024-11-23 22:41:20,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 57 remaining)
[2024-11-23 22:41:20,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 57 remaining)
[2024-11-23 22:41:20,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 57 remaining)
[2024-11-23 22:41:20,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 57 remaining)
[2024-11-23 22:41:20,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 57 remaining)
[2024-11-23 22:41:20,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 57 remaining)
[2024-11-23 22:41:20,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 57 remaining)
[2024-11-23 22:41:20,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 57 remaining)
[2024-11-23 22:41:20,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 57 remaining)
[2024-11-23 22:41:20,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 57 remaining)
[2024-11-23 22:41:20,388 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 57 remaining)
[2024-11-23 22:41:20,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195
[2024-11-23 22:41:20,388 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:41:20,389 WARN L246 ceAbstractionStarter]: 49 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:41:20,389 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 50 thread instances.
[2024-11-23 22:41:20,659 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:41:20,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1921 places, 1922 transitions, 9144 flow
[2024-11-23 22:41:22,628 INFO L124 PetriNetUnfolderBase]: 257/3295 cut-off events.
[2024-11-23 22:41:22,628 INFO L125 PetriNetUnfolderBase]: For 22050/22050 co-relation queries the response was YES.
[2024-11-23 22:41:22,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4823 conditions, 3295 events. 257/3295 cut-off events. For 22050/22050 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 9342 event pairs, 0 based on Foata normal form. 0/2881 useless extension candidates. Maximal degree in co-relation 4722. Up to 102 conditions per place.
[2024-11-23 22:41:22,723 INFO L82 GeneralOperation]: Start removeDead. Operand has 1921 places, 1922 transitions, 9144 flow
[2024-11-23 22:41:22,738 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 534 places, 435 transitions, 3523 flow
[2024-11-23 22:41:22,738 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:41:22,739 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:41:22,739 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations.
[2024-11-23 22:41:22,742 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:41:22,742 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:41:22,742 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:41:22,742 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:41:22,742 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:41:22,742 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 55 more)] ===
[2024-11-23 22:41:22,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:41:22,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1260496730, now seen corresponding path program 1 times
[2024-11-23 22:41:22,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:41:22,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356883795]
[2024-11-23 22:41:22,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:41:22,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:41:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:41:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:41:22,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:41:22,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356883795]
[2024-11-23 22:41:22,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356883795] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:41:22,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:41:22,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:41:22,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876368559]
[2024-11-23 22:41:22,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:41:22,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:41:22,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:41:22,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:41:22,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:41:23,186 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1559 out of 1922
[2024-11-23 22:41:23,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 435 transitions, 3523 flow. Second operand has 3 states, 3 states have (on average 1560.3333333333333) internal successors, (4681), 3 states have internal predecessors, (4681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:23,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:41:23,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1559 of 1922
[2024-11-23 22:41:23,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:41:24,679 INFO L124 PetriNetUnfolderBase]: 103/2528 cut-off events.
[2024-11-23 22:41:24,679 INFO L125 PetriNetUnfolderBase]: For 23376/23376 co-relation queries the response was YES.
[2024-11-23 22:41:24,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4372 conditions, 2528 events. 103/2528 cut-off events. For 23376/23376 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 6959 event pairs, 51 based on Foata normal form. 103/2422 useless extension candidates. Maximal degree in co-relation 4216. Up to 363 conditions per place.
[2024-11-23 22:41:24,742 INFO L140 encePairwiseOnDemand]: 1916/1922 looper letters, 60 selfloop transitions, 2 changer transitions 1/431 dead transitions.
[2024-11-23 22:41:24,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 431 transitions, 3639 flow
[2024-11-23 22:41:24,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:41:24,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:41:24,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4743 transitions.
[2024-11-23 22:41:24,746 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8225806451612904
[2024-11-23 22:41:24,746 INFO L175 Difference]: Start difference. First operand has 534 places, 435 transitions, 3523 flow. Second operand 3 states and 4743 transitions.
[2024-11-23 22:41:24,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 535 places, 431 transitions, 3639 flow
[2024-11-23 22:41:24,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 431 transitions, 1286 flow, removed 1176 selfloop flow, removed 1 redundant places.
[2024-11-23 22:41:24,793 INFO L231 Difference]: Finished difference. Result has 534 places, 430 transitions, 1164 flow
[2024-11-23 22:41:24,793 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1922, PETRI_DIFFERENCE_MINUEND_FLOW=1162, PETRI_DIFFERENCE_MINUEND_PLACES=532, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1164, PETRI_PLACES=534, PETRI_TRANSITIONS=430}
[2024-11-23 22:41:24,794 INFO L279 CegarLoopForPetriNet]: 534 programPoint places, 0 predicate places.
[2024-11-23 22:41:24,794 INFO L471 AbstractCegarLoop]: Abstraction has has 534 places, 430 transitions, 1164 flow
[2024-11-23 22:41:24,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1560.3333333333333) internal successors, (4681), 3 states have internal predecessors, (4681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:24,794 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:41:24,794 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:41:24,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196
[2024-11-23 22:41:24,794 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 55 more)] ===
[2024-11-23 22:41:24,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:41:24,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1418174350, now seen corresponding path program 1 times
[2024-11-23 22:41:24,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:41:24,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604628992]
[2024-11-23 22:41:24,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:41:24,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:41:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:41:24,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:41:24,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:41:24,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604628992]
[2024-11-23 22:41:24,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604628992] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:41:24,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:41:24,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:41:24,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044652745]
[2024-11-23 22:41:24,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:41:24,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:41:24,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:41:24,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:41:24,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:41:25,093 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1457 out of 1922
[2024-11-23 22:41:25,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 430 transitions, 1164 flow. Second operand has 3 states, 3 states have (on average 1458.0) internal successors, (4374), 3 states have internal predecessors, (4374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:25,096 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:41:25,096 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1457 of 1922
[2024-11-23 22:41:25,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:41:26,462 INFO L124 PetriNetUnfolderBase]: 52/2269 cut-off events.
[2024-11-23 22:41:26,462 INFO L125 PetriNetUnfolderBase]: For 1374/1374 co-relation queries the response was YES.
[2024-11-23 22:41:26,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2836 conditions, 2269 events. 52/2269 cut-off events. For 1374/1374 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 5136 event pairs, 0 based on Foata normal form. 51/2217 useless extension candidates. Maximal degree in co-relation 2762. Up to 260 conditions per place.
[2024-11-23 22:41:26,486 INFO L140 encePairwiseOnDemand]: 1916/1922 looper letters, 58 selfloop transitions, 1 changer transitions 24/425 dead transitions.
[2024-11-23 22:41:26,487 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 530 places, 425 transitions, 1276 flow
[2024-11-23 22:41:26,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:41:26,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:41:26,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4437 transitions.
[2024-11-23 22:41:26,490 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7695109261186265
[2024-11-23 22:41:26,490 INFO L175 Difference]: Start difference. First operand has 534 places, 430 transitions, 1164 flow. Second operand 3 states and 4437 transitions.
[2024-11-23 22:41:26,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 530 places, 425 transitions, 1276 flow
[2024-11-23 22:41:26,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 528 places, 425 transitions, 1272 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:41:26,496 INFO L231 Difference]: Finished difference. Result has 528 places, 401 transitions, 1102 flow
[2024-11-23 22:41:26,497 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1922, PETRI_DIFFERENCE_MINUEND_FLOW=1150, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1102, PETRI_PLACES=528, PETRI_TRANSITIONS=401}
[2024-11-23 22:41:26,497 INFO L279 CegarLoopForPetriNet]: 534 programPoint places, -6 predicate places.
[2024-11-23 22:41:26,497 INFO L471 AbstractCegarLoop]: Abstraction has has 528 places, 401 transitions, 1102 flow
[2024-11-23 22:41:26,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1458.0) internal successors, (4374), 3 states have internal predecessors, (4374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:26,498 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:41:26,498 INFO L206 CegarLoopForPetriNet]: trace histogram [51, 51, 51, 51, 51, 51, 51, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:41:26,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197
[2024-11-23 22:41:26,498 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 55 more)] ===
[2024-11-23 22:41:26,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:41:26,504 INFO L85 PathProgramCache]: Analyzing trace with hash 973839310, now seen corresponding path program 1 times
[2024-11-23 22:41:26,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:41:26,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048134623]
[2024-11-23 22:41:26,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:41:26,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:41:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:41:27,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:41:27,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:41:27,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048134623]
[2024-11-23 22:41:27,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048134623] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:41:27,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:41:27,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:41:27,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68241075]
[2024-11-23 22:41:27,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:41:27,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:41:27,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:41:27,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:41:27,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:41:27,498 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1607 out of 1922
[2024-11-23 22:41:27,503 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 528 places, 401 transitions, 1102 flow. Second operand has 5 states, 5 states have (on average 1619.0) internal successors, (8095), 5 states have internal predecessors, (8095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:27,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:41:27,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1607 of 1922
[2024-11-23 22:41:27,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:41:28,105 INFO L124 PetriNetUnfolderBase]: 0/1058 cut-off events.
[2024-11-23 22:41:28,105 INFO L125 PetriNetUnfolderBase]: For 1373/1373 co-relation queries the response was YES.
[2024-11-23 22:41:28,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1423 conditions, 1058 events. 0/1058 cut-off events. For 1373/1373 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 628 event pairs, 0 based on Foata normal form. 1/1058 useless extension candidates. Maximal degree in co-relation 0. Up to 158 conditions per place.
[2024-11-23 22:41:28,107 INFO L140 encePairwiseOnDemand]: 1917/1922 looper letters, 58 selfloop transitions, 2 changer transitions 3/403 dead transitions.
[2024-11-23 22:41:28,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 507 places, 403 transitions, 1232 flow
[2024-11-23 22:41:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:41:28,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:41:28,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8099 transitions.
[2024-11-23 22:41:28,112 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8427679500520291
[2024-11-23 22:41:28,112 INFO L175 Difference]: Start difference. First operand has 528 places, 401 transitions, 1102 flow. Second operand 5 states and 8099 transitions.
[2024-11-23 22:41:28,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 507 places, 403 transitions, 1232 flow
[2024-11-23 22:41:28,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 403 transitions, 1231 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:41:28,118 INFO L231 Difference]: Finished difference. Result has 508 places, 400 transitions, 1107 flow
[2024-11-23 22:41:28,118 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1922, PETRI_DIFFERENCE_MINUEND_FLOW=1101, PETRI_DIFFERENCE_MINUEND_PLACES=502, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1107, PETRI_PLACES=508, PETRI_TRANSITIONS=400}
[2024-11-23 22:41:28,119 INFO L279 CegarLoopForPetriNet]: 534 programPoint places, -26 predicate places.
[2024-11-23 22:41:28,119 INFO L471 AbstractCegarLoop]: Abstraction has has 508 places, 400 transitions, 1107 flow
[2024-11-23 22:41:28,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1619.0) internal successors, (8095), 5 states have internal predecessors, (8095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:28,121 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:41:28,121 INFO L206 CegarLoopForPetriNet]: trace histogram [51, 51, 51, 51, 51, 51, 51, 50, 50, 50, 50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:41:28,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198
[2024-11-23 22:41:28,121 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 55 more)] ===
[2024-11-23 22:41:28,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:41:28,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1741887074, now seen corresponding path program 1 times
[2024-11-23 22:41:28,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:41:28,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363943153]
[2024-11-23 22:41:28,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:41:28,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:41:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:41:28,312 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:41:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:41:28,880 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:41:28,880 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:41:28,880 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (57 of 58 remaining)
[2024-11-23 22:41:28,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (56 of 58 remaining)
[2024-11-23 22:41:28,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (55 of 58 remaining)
[2024-11-23 22:41:28,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (54 of 58 remaining)
[2024-11-23 22:41:28,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (53 of 58 remaining)
[2024-11-23 22:41:28,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (52 of 58 remaining)
[2024-11-23 22:41:28,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 58 remaining)
[2024-11-23 22:41:28,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (50 of 58 remaining)
[2024-11-23 22:41:28,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (49 of 58 remaining)
[2024-11-23 22:41:28,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (48 of 58 remaining)
[2024-11-23 22:41:28,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (47 of 58 remaining)
[2024-11-23 22:41:28,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (46 of 58 remaining)
[2024-11-23 22:41:28,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (45 of 58 remaining)
[2024-11-23 22:41:28,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (44 of 58 remaining)
[2024-11-23 22:41:28,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (43 of 58 remaining)
[2024-11-23 22:41:28,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (42 of 58 remaining)
[2024-11-23 22:41:28,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (41 of 58 remaining)
[2024-11-23 22:41:28,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (40 of 58 remaining)
[2024-11-23 22:41:28,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (39 of 58 remaining)
[2024-11-23 22:41:28,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (38 of 58 remaining)
[2024-11-23 22:41:28,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (37 of 58 remaining)
[2024-11-23 22:41:28,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (36 of 58 remaining)
[2024-11-23 22:41:28,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (35 of 58 remaining)
[2024-11-23 22:41:28,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (34 of 58 remaining)
[2024-11-23 22:41:28,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (33 of 58 remaining)
[2024-11-23 22:41:28,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (32 of 58 remaining)
[2024-11-23 22:41:28,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (31 of 58 remaining)
[2024-11-23 22:41:28,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 58 remaining)
[2024-11-23 22:41:28,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 58 remaining)
[2024-11-23 22:41:28,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 58 remaining)
[2024-11-23 22:41:28,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 58 remaining)
[2024-11-23 22:41:28,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 58 remaining)
[2024-11-23 22:41:28,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 58 remaining)
[2024-11-23 22:41:28,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 58 remaining)
[2024-11-23 22:41:28,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 58 remaining)
[2024-11-23 22:41:28,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 58 remaining)
[2024-11-23 22:41:28,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 58 remaining)
[2024-11-23 22:41:28,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 58 remaining)
[2024-11-23 22:41:28,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 58 remaining)
[2024-11-23 22:41:28,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 58 remaining)
[2024-11-23 22:41:28,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 58 remaining)
[2024-11-23 22:41:28,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 58 remaining)
[2024-11-23 22:41:28,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 58 remaining)
[2024-11-23 22:41:28,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 58 remaining)
[2024-11-23 22:41:28,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 58 remaining)
[2024-11-23 22:41:28,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 58 remaining)
[2024-11-23 22:41:28,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 58 remaining)
[2024-11-23 22:41:28,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 58 remaining)
[2024-11-23 22:41:28,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 58 remaining)
[2024-11-23 22:41:28,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 58 remaining)
[2024-11-23 22:41:28,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 58 remaining)
[2024-11-23 22:41:28,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 58 remaining)
[2024-11-23 22:41:28,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 58 remaining)
[2024-11-23 22:41:28,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 58 remaining)
[2024-11-23 22:41:28,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 58 remaining)
[2024-11-23 22:41:28,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 58 remaining)
[2024-11-23 22:41:28,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 58 remaining)
[2024-11-23 22:41:28,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 58 remaining)
[2024-11-23 22:41:28,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199
[2024-11-23 22:41:28,884 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:41:28,885 WARN L246 ceAbstractionStarter]: 50 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:41:28,885 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 51 thread instances.
[2024-11-23 22:41:29,165 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:41:29,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1958 places, 1959 transitions, 9426 flow
[2024-11-23 22:41:31,055 INFO L124 PetriNetUnfolderBase]: 262/3359 cut-off events.
[2024-11-23 22:41:31,055 INFO L125 PetriNetUnfolderBase]: For 23375/23375 co-relation queries the response was YES.
[2024-11-23 22:41:31,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4943 conditions, 3359 events. 262/3359 cut-off events. For 23375/23375 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 9743 event pairs, 0 based on Foata normal form. 0/2937 useless extension candidates. Maximal degree in co-relation 4840. Up to 104 conditions per place.
[2024-11-23 22:41:31,141 INFO L82 GeneralOperation]: Start removeDead. Operand has 1958 places, 1959 transitions, 9426 flow
[2024-11-23 22:41:31,152 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 543 places, 442 transitions, 3641 flow
[2024-11-23 22:41:31,153 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 22:41:31,153 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@39f98424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 22:41:31,153 INFO L334 AbstractCegarLoop]: Starting to check reachability of 59 error locations.
[2024-11-23 22:41:31,154 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 22:41:31,154 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-23 22:41:31,154 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 22:41:31,154 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:41:31,154 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:41:31,155 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2024-11-23 22:41:31,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:41:31,155 INFO L85 PathProgramCache]: Analyzing trace with hash 2070273958, now seen corresponding path program 1 times
[2024-11-23 22:41:31,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:41:31,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80360284]
[2024-11-23 22:41:31,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:41:31,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:41:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:41:31,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:41:31,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:41:31,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80360284]
[2024-11-23 22:41:31,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80360284] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:41:31,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:41:31,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:41:31,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078564381]
[2024-11-23 22:41:31,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:41:31,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:41:31,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:41:31,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:41:31,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:41:31,524 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1589 out of 1959
[2024-11-23 22:41:31,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 442 transitions, 3641 flow. Second operand has 3 states, 3 states have (on average 1590.3333333333333) internal successors, (4771), 3 states have internal predecessors, (4771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:31,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:41:31,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1589 of 1959
[2024-11-23 22:41:31,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:41:33,039 INFO L124 PetriNetUnfolderBase]: 105/2577 cut-off events.
[2024-11-23 22:41:33,039 INFO L125 PetriNetUnfolderBase]: For 24753/24753 co-relation queries the response was YES.
[2024-11-23 22:41:33,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4483 conditions, 2577 events. 105/2577 cut-off events. For 24753/24753 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 6829 event pairs, 52 based on Foata normal form. 53/2417 useless extension candidates. Maximal degree in co-relation 4326. Up to 370 conditions per place.
[2024-11-23 22:41:33,083 INFO L140 encePairwiseOnDemand]: 1953/1959 looper letters, 61 selfloop transitions, 2 changer transitions 1/438 dead transitions.
[2024-11-23 22:41:33,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 438 transitions, 3759 flow
[2024-11-23 22:41:33,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:41:33,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:41:33,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4834 transitions.
[2024-11-23 22:41:33,087 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8225285009358516
[2024-11-23 22:41:33,087 INFO L175 Difference]: Start difference. First operand has 543 places, 442 transitions, 3641 flow. Second operand 3 states and 4834 transitions.
[2024-11-23 22:41:33,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 438 transitions, 3759 flow
[2024-11-23 22:41:33,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 438 transitions, 1308 flow, removed 1225 selfloop flow, removed 1 redundant places.
[2024-11-23 22:41:33,135 INFO L231 Difference]: Finished difference. Result has 543 places, 437 transitions, 1184 flow
[2024-11-23 22:41:33,136 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1959, PETRI_DIFFERENCE_MINUEND_FLOW=1182, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1184, PETRI_PLACES=543, PETRI_TRANSITIONS=437}
[2024-11-23 22:41:33,136 INFO L279 CegarLoopForPetriNet]: 543 programPoint places, 0 predicate places.
[2024-11-23 22:41:33,136 INFO L471 AbstractCegarLoop]: Abstraction has has 543 places, 437 transitions, 1184 flow
[2024-11-23 22:41:33,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1590.3333333333333) internal successors, (4771), 3 states have internal predecessors, (4771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:33,137 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:41:33,137 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:41:33,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200
[2024-11-23 22:41:33,137 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2024-11-23 22:41:33,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:41:33,137 INFO L85 PathProgramCache]: Analyzing trace with hash -242493362, now seen corresponding path program 1 times
[2024-11-23 22:41:33,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:41:33,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753087994]
[2024-11-23 22:41:33,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:41:33,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:41:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:41:33,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:41:33,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:41:33,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753087994]
[2024-11-23 22:41:33,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753087994] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:41:33,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:41:33,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 22:41:33,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566988640]
[2024-11-23 22:41:33,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:41:33,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 22:41:33,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:41:33,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 22:41:33,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 22:41:33,429 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1485 out of 1959
[2024-11-23 22:41:33,431 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 437 transitions, 1184 flow. Second operand has 3 states, 3 states have (on average 1486.0) internal successors, (4458), 3 states have internal predecessors, (4458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:33,431 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:41:33,431 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1485 of 1959
[2024-11-23 22:41:33,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:41:34,809 INFO L124 PetriNetUnfolderBase]: 53/2313 cut-off events.
[2024-11-23 22:41:34,809 INFO L125 PetriNetUnfolderBase]: For 1427/1427 co-relation queries the response was YES.
[2024-11-23 22:41:34,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2891 conditions, 2313 events. 53/2313 cut-off events. For 1427/1427 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 5133 event pairs, 0 based on Foata normal form. 52/2260 useless extension candidates. Maximal degree in co-relation 2816. Up to 265 conditions per place.
[2024-11-23 22:41:34,854 INFO L140 encePairwiseOnDemand]: 1953/1959 looper letters, 59 selfloop transitions, 1 changer transitions 24/432 dead transitions.
[2024-11-23 22:41:34,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 539 places, 432 transitions, 1298 flow
[2024-11-23 22:41:34,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 22:41:34,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 22:41:34,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4522 transitions.
[2024-11-23 22:41:34,857 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7694401905734218
[2024-11-23 22:41:34,857 INFO L175 Difference]: Start difference. First operand has 543 places, 437 transitions, 1184 flow. Second operand 3 states and 4522 transitions.
[2024-11-23 22:41:34,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 539 places, 432 transitions, 1298 flow
[2024-11-23 22:41:34,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 537 places, 432 transitions, 1294 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 22:41:34,863 INFO L231 Difference]: Finished difference. Result has 537 places, 408 transitions, 1122 flow
[2024-11-23 22:41:34,864 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1959, PETRI_DIFFERENCE_MINUEND_FLOW=1170, PETRI_DIFFERENCE_MINUEND_PLACES=535, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1122, PETRI_PLACES=537, PETRI_TRANSITIONS=408}
[2024-11-23 22:41:34,864 INFO L279 CegarLoopForPetriNet]: 543 programPoint places, -6 predicate places.
[2024-11-23 22:41:34,864 INFO L471 AbstractCegarLoop]: Abstraction has has 537 places, 408 transitions, 1122 flow
[2024-11-23 22:41:34,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1486.0) internal successors, (4458), 3 states have internal predecessors, (4458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:34,865 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:41:34,865 INFO L206 CegarLoopForPetriNet]: trace histogram [52, 52, 52, 52, 52, 52, 52, 51, 51, 51, 51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:41:34,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201
[2024-11-23 22:41:34,865 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2024-11-23 22:41:34,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:41:34,873 INFO L85 PathProgramCache]: Analyzing trace with hash -373318901, now seen corresponding path program 1 times
[2024-11-23 22:41:34,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:41:34,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554426402]
[2024-11-23 22:41:34,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:41:34,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:41:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 22:41:35,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 22:41:35,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 22:41:35,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554426402]
[2024-11-23 22:41:35,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554426402] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 22:41:35,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 22:41:35,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 22:41:35,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724231603]
[2024-11-23 22:41:35,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 22:41:35,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 22:41:35,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 22:41:35,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 22:41:35,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-23 22:41:35,486 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1638 out of 1959
[2024-11-23 22:41:35,490 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 537 places, 408 transitions, 1122 flow. Second operand has 5 states, 5 states have (on average 1650.2) internal successors, (8251), 5 states have internal predecessors, (8251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:35,490 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 22:41:35,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1638 of 1959
[2024-11-23 22:41:35,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 22:41:36,104 INFO L124 PetriNetUnfolderBase]: 0/1078 cut-off events.
[2024-11-23 22:41:36,105 INFO L125 PetriNetUnfolderBase]: For 1426/1426 co-relation queries the response was YES.
[2024-11-23 22:41:36,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1450 conditions, 1078 events. 0/1078 cut-off events. For 1426/1426 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 639 event pairs, 0 based on Foata normal form. 1/1078 useless extension candidates. Maximal degree in co-relation 0. Up to 161 conditions per place.
[2024-11-23 22:41:36,106 INFO L140 encePairwiseOnDemand]: 1954/1959 looper letters, 59 selfloop transitions, 2 changer transitions 3/410 dead transitions.
[2024-11-23 22:41:36,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 410 transitions, 1254 flow
[2024-11-23 22:41:36,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 22:41:36,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 22:41:36,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8255 transitions.
[2024-11-23 22:41:36,111 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8427769270035732
[2024-11-23 22:41:36,111 INFO L175 Difference]: Start difference. First operand has 537 places, 408 transitions, 1122 flow. Second operand 5 states and 8255 transitions.
[2024-11-23 22:41:36,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 410 transitions, 1254 flow
[2024-11-23 22:41:36,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 410 transitions, 1253 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 22:41:36,118 INFO L231 Difference]: Finished difference. Result has 517 places, 407 transitions, 1127 flow
[2024-11-23 22:41:36,118 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1959, PETRI_DIFFERENCE_MINUEND_FLOW=1121, PETRI_DIFFERENCE_MINUEND_PLACES=511, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1127, PETRI_PLACES=517, PETRI_TRANSITIONS=407}
[2024-11-23 22:41:36,119 INFO L279 CegarLoopForPetriNet]: 543 programPoint places, -26 predicate places.
[2024-11-23 22:41:36,119 INFO L471 AbstractCegarLoop]: Abstraction has has 517 places, 407 transitions, 1127 flow
[2024-11-23 22:41:36,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1650.2) internal successors, (8251), 5 states have internal predecessors, (8251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 22:41:36,120 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 22:41:36,120 INFO L206 CegarLoopForPetriNet]: trace histogram [52, 52, 52, 52, 52, 52, 52, 51, 51, 51, 51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 22:41:36,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202
[2024-11-23 22:41:36,120 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 56 more)] ===
[2024-11-23 22:41:36,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 22:41:36,126 INFO L85 PathProgramCache]: Analyzing trace with hash 757069492, now seen corresponding path program 1 times
[2024-11-23 22:41:36,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 22:41:36,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238185839]
[2024-11-23 22:41:36,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 22:41:36,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 22:41:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:41:36,282 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 22:41:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 22:41:36,804 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 22:41:36,804 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 22:41:36,804 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (58 of 59 remaining)
[2024-11-23 22:41:36,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (57 of 59 remaining)
[2024-11-23 22:41:36,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (56 of 59 remaining)
[2024-11-23 22:41:36,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (55 of 59 remaining)
[2024-11-23 22:41:36,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (54 of 59 remaining)
[2024-11-23 22:41:36,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (53 of 59 remaining)
[2024-11-23 22:41:36,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 59 remaining)
[2024-11-23 22:41:36,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (51 of 59 remaining)
[2024-11-23 22:41:36,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (50 of 59 remaining)
[2024-11-23 22:41:36,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (49 of 59 remaining)
[2024-11-23 22:41:36,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (48 of 59 remaining)
[2024-11-23 22:41:36,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (47 of 59 remaining)
[2024-11-23 22:41:36,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (46 of 59 remaining)
[2024-11-23 22:41:36,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (45 of 59 remaining)
[2024-11-23 22:41:36,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (44 of 59 remaining)
[2024-11-23 22:41:36,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (43 of 59 remaining)
[2024-11-23 22:41:36,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (42 of 59 remaining)
[2024-11-23 22:41:36,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (41 of 59 remaining)
[2024-11-23 22:41:36,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (40 of 59 remaining)
[2024-11-23 22:41:36,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (39 of 59 remaining)
[2024-11-23 22:41:36,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (38 of 59 remaining)
[2024-11-23 22:41:36,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (37 of 59 remaining)
[2024-11-23 22:41:36,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (36 of 59 remaining)
[2024-11-23 22:41:36,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (35 of 59 remaining)
[2024-11-23 22:41:36,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (34 of 59 remaining)
[2024-11-23 22:41:36,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (33 of 59 remaining)
[2024-11-23 22:41:36,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (32 of 59 remaining)
[2024-11-23 22:41:36,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (31 of 59 remaining)
[2024-11-23 22:41:36,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (30 of 59 remaining)
[2024-11-23 22:41:36,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (29 of 59 remaining)
[2024-11-23 22:41:36,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (28 of 59 remaining)
[2024-11-23 22:41:36,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (27 of 59 remaining)
[2024-11-23 22:41:36,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (26 of 59 remaining)
[2024-11-23 22:41:36,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (25 of 59 remaining)
[2024-11-23 22:41:36,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (24 of 59 remaining)
[2024-11-23 22:41:36,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (23 of 59 remaining)
[2024-11-23 22:41:36,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (22 of 59 remaining)
[2024-11-23 22:41:36,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (21 of 59 remaining)
[2024-11-23 22:41:36,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (20 of 59 remaining)
[2024-11-23 22:41:36,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (19 of 59 remaining)
[2024-11-23 22:41:36,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (18 of 59 remaining)
[2024-11-23 22:41:36,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (17 of 59 remaining)
[2024-11-23 22:41:36,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (16 of 59 remaining)
[2024-11-23 22:41:36,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (15 of 59 remaining)
[2024-11-23 22:41:36,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (14 of 59 remaining)
[2024-11-23 22:41:36,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (13 of 59 remaining)
[2024-11-23 22:41:36,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (12 of 59 remaining)
[2024-11-23 22:41:36,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (11 of 59 remaining)
[2024-11-23 22:41:36,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (10 of 59 remaining)
[2024-11-23 22:41:36,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (9 of 59 remaining)
[2024-11-23 22:41:36,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (8 of 59 remaining)
[2024-11-23 22:41:36,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (7 of 59 remaining)
[2024-11-23 22:41:36,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (6 of 59 remaining)
[2024-11-23 22:41:36,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 59 remaining)
[2024-11-23 22:41:36,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (4 of 59 remaining)
[2024-11-23 22:41:36,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (3 of 59 remaining)
[2024-11-23 22:41:36,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (2 of 59 remaining)
[2024-11-23 22:41:36,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (1 of 59 remaining)
[2024-11-23 22:41:36,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 59 remaining)
[2024-11-23 22:41:36,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203
[2024-11-23 22:41:36,808 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 22:41:36,809 WARN L246 ceAbstractionStarter]: 51 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-23 22:41:36,809 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 52 thread instances.
[2024-11-23 22:41:37,091 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 22:41:37,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1995 places, 1996 transitions, 9712 flow