./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f799b8cb369af433cd7b4f4a2ae1c7efd2306d185f06da0302d2727c00c6bf0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:07:53,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:07:53,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:07:53,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:07:53,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:07:53,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:07:53,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:07:53,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:07:53,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:07:53,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:07:53,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:07:53,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:07:53,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:07:53,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:07:53,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:07:53,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:07:53,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:07:53,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:07:53,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:07:53,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:07:53,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:07:53,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:07:53,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:07:53,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:07:53,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:07:53,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:07:53,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:07:53,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:07:53,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:07:53,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:07:53,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:07:53,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:07:53,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:07:53,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:07:53,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:07:53,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:07:53,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:07:53,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:07:53,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:07:53,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:07:53,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:07:53,995 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 15:07:54,019 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:07:54,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:07:54,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:07:54,020 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:07:54,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:07:54,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:07:54,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:07:54,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:07:54,022 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:07:54,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:07:54,023 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 15:07:54,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 15:07:54,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 15:07:54,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:07:54,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:07:54,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:07:54,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:07:54,024 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 15:07:54,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:07:54,024 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:07:54,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:07:54,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:07:54,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:07:54,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:07:54,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:07:54,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:07:54,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:07:54,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:07:54,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 15:07:54,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 15:07:54,026 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:07:54,026 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:07:54,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:07:54,027 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:07:54,027 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f799b8cb369af433cd7b4f4a2ae1c7efd2306d185f06da0302d2727c00c6bf0 [2021-12-21 15:07:54,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:07:54,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:07:54,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:07:54,247 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:07:54,248 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:07:54,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i [2021-12-21 15:07:54,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f38a57b3/1c5851b602be4ec5838b4ff4637fb8ed/FLAGf5c0bd1cb [2021-12-21 15:07:54,750 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:07:54,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i [2021-12-21 15:07:54,764 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f38a57b3/1c5851b602be4ec5838b4ff4637fb8ed/FLAGf5c0bd1cb [2021-12-21 15:07:55,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f38a57b3/1c5851b602be4ec5838b4ff4637fb8ed [2021-12-21 15:07:55,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:07:55,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:07:55,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:07:55,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:07:55,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:07:55,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:07:55" (1/1) ... [2021-12-21 15:07:55,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e94911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:07:55, skipping insertion in model container [2021-12-21 15:07:55,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:07:55" (1/1) ... [2021-12-21 15:07:55,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:07:55,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:07:55,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i[76081,76094] [2021-12-21 15:07:55,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:07:55,567 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 15:07:55,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-4_2-thread_local_vars.i[76081,76094] [2021-12-21 15:07:55,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:07:55,680 INFO L208 MainTranslator]: Completed translation [2021-12-21 15:07:55,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:07:55 WrapperNode [2021-12-21 15:07:55,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:07:55,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 15:07:55,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 15:07:55,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 15:07:55,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:07:55" (1/1) ... [2021-12-21 15:07:55,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:07:55" (1/1) ... [2021-12-21 15:07:55,771 INFO L137 Inliner]: procedures = 486, calls = 44, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 209 [2021-12-21 15:07:55,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 15:07:55,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 15:07:55,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 15:07:55,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 15:07:55,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:07:55" (1/1) ... [2021-12-21 15:07:55,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:07:55" (1/1) ... [2021-12-21 15:07:55,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:07:55" (1/1) ... [2021-12-21 15:07:55,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:07:55" (1/1) ... [2021-12-21 15:07:55,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:07:55" (1/1) ... [2021-12-21 15:07:55,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:07:55" (1/1) ... [2021-12-21 15:07:55,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:07:55" (1/1) ... [2021-12-21 15:07:55,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 15:07:55,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 15:07:55,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 15:07:55,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 15:07:55,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:07:55" (1/1) ... [2021-12-21 15:07:55,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:07:55,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:07:55,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 15:07:55,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 15:07:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2021-12-21 15:07:55,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2021-12-21 15:07:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 15:07:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 15:07:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2021-12-21 15:07:55,901 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2021-12-21 15:07:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-21 15:07:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 15:07:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 15:07:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 15:07:55,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 15:07:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 15:07:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 15:07:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 15:07:55,904 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-21 15:07:56,107 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 15:07:56,108 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 15:07:56,333 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 15:07:56,340 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 15:07:56,340 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 15:07:56,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:07:56 BoogieIcfgContainer [2021-12-21 15:07:56,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 15:07:56,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 15:07:56,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 15:07:56,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 15:07:56,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:07:55" (1/3) ... [2021-12-21 15:07:56,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6049fb46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:07:56, skipping insertion in model container [2021-12-21 15:07:56,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:07:55" (2/3) ... [2021-12-21 15:07:56,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6049fb46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:07:56, skipping insertion in model container [2021-12-21 15:07:56,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:07:56" (3/3) ... [2021-12-21 15:07:56,346 INFO L111 eAbstractionObserver]: Analyzing ICFG race-4_2-thread_local_vars.i [2021-12-21 15:07:56,349 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-21 15:07:56,349 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 15:07:56,349 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2021-12-21 15:07:56,349 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-21 15:07:56,378 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,379 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,379 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,379 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,379 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,379 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,379 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,379 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,379 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,379 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,380 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,380 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,380 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,380 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,381 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,381 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,381 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,381 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,381 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,381 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,381 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,381 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,381 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,381 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,381 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,382 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,382 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,382 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,382 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,382 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,382 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,382 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,382 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,382 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,383 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,383 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,383 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,383 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,383 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,383 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,383 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,383 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,384 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,384 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,384 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,384 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,384 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,384 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,384 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,384 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,384 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,384 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,385 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,385 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,386 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,386 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,386 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,386 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,386 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,386 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,386 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,386 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,387 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,387 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,387 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,387 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,388 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,388 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,388 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,388 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,388 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,388 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,388 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,388 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,388 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,388 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,389 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,389 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,389 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,389 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,389 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,389 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,389 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,389 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,389 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,390 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,390 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,390 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,390 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,390 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,390 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,390 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,390 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,390 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,390 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,390 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,391 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,391 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,391 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,391 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,391 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,391 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,391 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,391 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,391 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,392 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,392 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,392 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,392 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,392 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,392 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,392 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,392 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,392 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,392 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,393 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,393 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,393 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,393 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,393 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,393 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,393 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,393 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,393 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,394 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,394 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,394 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,394 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,394 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,394 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,394 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,394 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,394 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,394 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,394 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,394 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,395 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,395 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,395 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,395 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,395 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,395 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,395 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,395 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,395 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,396 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,396 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,396 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,397 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,398 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,398 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,398 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,398 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,398 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,398 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,398 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,398 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,398 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,398 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,399 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,399 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,399 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,399 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,399 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,399 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,399 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,399 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,399 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,399 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,400 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,400 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,400 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,400 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,400 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,400 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,400 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,400 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,400 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,400 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,401 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,401 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,401 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,401 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,401 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,401 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,401 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,401 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,402 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,402 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,402 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,402 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,402 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,402 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,403 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,403 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,403 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,403 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,403 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,403 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,403 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,403 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,403 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,403 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,404 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,404 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,404 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,404 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,404 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,404 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,404 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,404 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,404 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,404 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,405 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,405 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,405 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,405 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,405 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,406 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,406 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,406 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,406 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,406 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,406 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,406 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,406 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,406 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,406 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,406 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,407 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,407 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,407 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,407 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,407 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,407 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,407 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,407 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,408 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,408 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,408 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,408 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,408 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,408 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,408 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,408 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,408 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,408 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,408 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,411 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,411 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_~#status~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,411 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_~error~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,411 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,411 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,411 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,411 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~nondet40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,411 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#t~ret39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,411 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,411 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ath_ahb_probe_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,411 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,412 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,412 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,412 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,412 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~probe_ret~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,412 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,412 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~ret42#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,412 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,412 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_register_hw_#t~pre35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,412 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ieee80211_deregister_hw_#t~nondet38#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,412 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_#t~switch41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,412 WARN L322 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,414 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,414 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,414 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,414 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,414 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,414 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,415 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,415 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,415 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,415 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~switch33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,415 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,415 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,415 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,415 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,416 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_ath9k_flush_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,416 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,416 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,416 WARN L322 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:07:56,420 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-12-21 15:07:56,449 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 15:07:56,453 INFO L339 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 15:07:56,453 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-12-21 15:07:56,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 321 places, 353 transitions, 736 flow [2021-12-21 15:07:56,572 INFO L129 PetriNetUnfolder]: 35/363 cut-off events. [2021-12-21 15:07:56,572 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-21 15:07:56,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 375 conditions, 363 events. 35/363 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 935 event pairs, 0 based on Foata normal form. 0/313 useless extension candidates. Maximal degree in co-relation 250. Up to 11 conditions per place. [2021-12-21 15:07:56,578 INFO L82 GeneralOperation]: Start removeDead. Operand has 321 places, 353 transitions, 736 flow [2021-12-21 15:07:56,583 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 222 places, 238 transitions, 493 flow [2021-12-21 15:07:56,589 INFO L129 PetriNetUnfolder]: 1/41 cut-off events. [2021-12-21 15:07:56,589 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-21 15:07:56,589 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:07:56,590 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:07:56,590 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-12-21 15:07:56,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:07:56,594 INFO L85 PathProgramCache]: Analyzing trace with hash -380157774, now seen corresponding path program 1 times [2021-12-21 15:07:56,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:07:56,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34334448] [2021-12-21 15:07:56,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:07:56,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:07:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:07:56,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:07:56,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:07:56,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34334448] [2021-12-21 15:07:56,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34334448] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:07:56,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:07:56,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 15:07:56,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249222255] [2021-12-21 15:07:56,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:07:56,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 15:07:56,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:07:56,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 15:07:56,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 15:07:56,864 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 353 [2021-12-21 15:07:56,888 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 238 transitions, 493 flow. Second operand has 5 states, 5 states have (on average 287.2) internal successors, (1436), 5 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:56,888 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:07:56,888 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 353 [2021-12-21 15:07:56,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:07:57,037 INFO L129 PetriNetUnfolder]: 81/713 cut-off events. [2021-12-21 15:07:57,037 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2021-12-21 15:07:57,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 841 conditions, 713 events. 81/713 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3359 event pairs, 8 based on Foata normal form. 49/680 useless extension candidates. Maximal degree in co-relation 573. Up to 61 conditions per place. [2021-12-21 15:07:57,045 INFO L132 encePairwiseOnDemand]: 331/353 looper letters, 26 selfloop transitions, 12 changer transitions 0/228 dead transitions. [2021-12-21 15:07:57,045 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 228 transitions, 552 flow [2021-12-21 15:07:57,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:07:57,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-21 15:07:57,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2060 transitions. [2021-12-21 15:07:57,061 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8336705787130716 [2021-12-21 15:07:57,061 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2060 transitions. [2021-12-21 15:07:57,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2060 transitions. [2021-12-21 15:07:57,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:07:57,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2060 transitions. [2021-12-21 15:07:57,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 294.2857142857143) internal successors, (2060), 7 states have internal predecessors, (2060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:57,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:57,084 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:57,086 INFO L186 Difference]: Start difference. First operand has 222 places, 238 transitions, 493 flow. Second operand 7 states and 2060 transitions. [2021-12-21 15:07:57,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 228 transitions, 552 flow [2021-12-21 15:07:57,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 228 transitions, 548 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-21 15:07:57,100 INFO L242 Difference]: Finished difference. Result has 219 places, 223 transitions, 494 flow [2021-12-21 15:07:57,102 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=453, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=494, PETRI_PLACES=219, PETRI_TRANSITIONS=223} [2021-12-21 15:07:57,106 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, -3 predicate places. [2021-12-21 15:07:57,107 INFO L470 AbstractCegarLoop]: Abstraction has has 219 places, 223 transitions, 494 flow [2021-12-21 15:07:57,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 287.2) internal successors, (1436), 5 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:57,108 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:07:57,108 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:07:57,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 15:07:57,109 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-12-21 15:07:57,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:07:57,111 INFO L85 PathProgramCache]: Analyzing trace with hash -511146899, now seen corresponding path program 1 times [2021-12-21 15:07:57,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:07:57,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341981852] [2021-12-21 15:07:57,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:07:57,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:07:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:07:57,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:07:57,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:07:57,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341981852] [2021-12-21 15:07:57,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341981852] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:07:57,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:07:57,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 15:07:57,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960480275] [2021-12-21 15:07:57,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:07:57,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 15:07:57,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:07:57,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 15:07:57,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 15:07:57,263 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 353 [2021-12-21 15:07:57,265 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 223 transitions, 494 flow. Second operand has 5 states, 5 states have (on average 288.2) internal successors, (1441), 5 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) [2021-12-21 15:07:57,265 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:07:57,265 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 353 [2021-12-21 15:07:57,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:07:57,412 INFO L129 PetriNetUnfolder]: 82/736 cut-off events. [2021-12-21 15:07:57,412 INFO L130 PetriNetUnfolder]: For 61/67 co-relation queries the response was YES. [2021-12-21 15:07:57,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 923 conditions, 736 events. 82/736 cut-off events. For 61/67 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3485 event pairs, 13 based on Foata normal form. 1/656 useless extension candidates. Maximal degree in co-relation 599. Up to 77 conditions per place. [2021-12-21 15:07:57,418 INFO L132 encePairwiseOnDemand]: 345/353 looper letters, 27 selfloop transitions, 3 changer transitions 7/223 dead transitions. [2021-12-21 15:07:57,418 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 223 transitions, 564 flow [2021-12-21 15:07:57,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 15:07:57,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-12-21 15:07:57,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1748 transitions. [2021-12-21 15:07:57,442 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8253068932955618 [2021-12-21 15:07:57,443 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1748 transitions. [2021-12-21 15:07:57,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1748 transitions. [2021-12-21 15:07:57,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:07:57,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1748 transitions. [2021-12-21 15:07:57,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 291.3333333333333) internal successors, (1748), 6 states have internal predecessors, (1748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:57,449 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:57,450 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:57,450 INFO L186 Difference]: Start difference. First operand has 219 places, 223 transitions, 494 flow. Second operand 6 states and 1748 transitions. [2021-12-21 15:07:57,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 223 transitions, 564 flow [2021-12-21 15:07:57,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 223 transitions, 545 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-12-21 15:07:57,459 INFO L242 Difference]: Finished difference. Result has 217 places, 214 transitions, 461 flow [2021-12-21 15:07:57,459 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=461, PETRI_PLACES=217, PETRI_TRANSITIONS=214} [2021-12-21 15:07:57,460 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, -5 predicate places. [2021-12-21 15:07:57,460 INFO L470 AbstractCegarLoop]: Abstraction has has 217 places, 214 transitions, 461 flow [2021-12-21 15:07:57,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 288.2) internal successors, (1441), 5 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) [2021-12-21 15:07:57,461 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:07:57,462 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:07:57,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 15:07:57,462 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-12-21 15:07:57,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:07:57,463 INFO L85 PathProgramCache]: Analyzing trace with hash 53045618, now seen corresponding path program 1 times [2021-12-21 15:07:57,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:07:57,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313611952] [2021-12-21 15:07:57,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:07:57,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:07:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:07:57,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:07:57,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:07:57,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313611952] [2021-12-21 15:07:57,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313611952] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:07:57,583 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:07:57,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 15:07:57,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942720329] [2021-12-21 15:07:57,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:07:57,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 15:07:57,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:07:57,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 15:07:57,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 15:07:57,587 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 353 [2021-12-21 15:07:57,588 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 214 transitions, 461 flow. Second operand has 5 states, 5 states have (on average 287.8) internal successors, (1439), 5 states have internal predecessors, (1439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:57,588 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:07:57,588 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 353 [2021-12-21 15:07:57,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:07:57,768 INFO L129 PetriNetUnfolder]: 147/1088 cut-off events. [2021-12-21 15:07:57,768 INFO L130 PetriNetUnfolder]: For 82/94 co-relation queries the response was YES. [2021-12-21 15:07:57,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1408 conditions, 1088 events. 147/1088 cut-off events. For 82/94 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 6706 event pairs, 12 based on Foata normal form. 0/977 useless extension candidates. Maximal degree in co-relation 1301. Up to 73 conditions per place. [2021-12-21 15:07:57,776 INFO L132 encePairwiseOnDemand]: 341/353 looper letters, 49 selfloop transitions, 20 changer transitions 0/250 dead transitions. [2021-12-21 15:07:57,776 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 250 transitions, 694 flow [2021-12-21 15:07:57,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 15:07:57,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-21 15:07:57,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2642 transitions. [2021-12-21 15:07:57,781 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.83160214038401 [2021-12-21 15:07:57,781 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2642 transitions. [2021-12-21 15:07:57,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2642 transitions. [2021-12-21 15:07:57,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:07:57,782 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2642 transitions. [2021-12-21 15:07:57,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 293.55555555555554) internal successors, (2642), 9 states have internal predecessors, (2642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:57,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:57,791 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:57,791 INFO L186 Difference]: Start difference. First operand has 217 places, 214 transitions, 461 flow. Second operand 9 states and 2642 transitions. [2021-12-21 15:07:57,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 250 transitions, 694 flow [2021-12-21 15:07:57,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 250 transitions, 688 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-21 15:07:57,795 INFO L242 Difference]: Finished difference. Result has 220 places, 229 transitions, 602 flow [2021-12-21 15:07:57,796 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=455, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=602, PETRI_PLACES=220, PETRI_TRANSITIONS=229} [2021-12-21 15:07:57,796 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, -2 predicate places. [2021-12-21 15:07:57,797 INFO L470 AbstractCegarLoop]: Abstraction has has 220 places, 229 transitions, 602 flow [2021-12-21 15:07:57,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 287.8) internal successors, (1439), 5 states have internal predecessors, (1439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:57,798 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:07:57,798 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:07:57,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 15:07:57,798 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-12-21 15:07:57,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:07:57,799 INFO L85 PathProgramCache]: Analyzing trace with hash -308266431, now seen corresponding path program 1 times [2021-12-21 15:07:57,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:07:57,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705504355] [2021-12-21 15:07:57,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:07:57,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:07:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:07:57,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:07:57,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:07:57,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705504355] [2021-12-21 15:07:57,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705504355] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:07:57,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:07:57,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 15:07:57,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225982139] [2021-12-21 15:07:57,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:07:57,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 15:07:57,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:07:57,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 15:07:57,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 15:07:57,865 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 353 [2021-12-21 15:07:57,866 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 229 transitions, 602 flow. Second operand has 5 states, 5 states have (on average 296.0) internal successors, (1480), 5 states have internal predecessors, (1480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:57,867 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:07:57,867 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 353 [2021-12-21 15:07:57,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:07:58,223 INFO L129 PetriNetUnfolder]: 434/2987 cut-off events. [2021-12-21 15:07:58,223 INFO L130 PetriNetUnfolder]: For 1303/1357 co-relation queries the response was YES. [2021-12-21 15:07:58,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4473 conditions, 2987 events. 434/2987 cut-off events. For 1303/1357 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 24835 event pairs, 44 based on Foata normal form. 14/2725 useless extension candidates. Maximal degree in co-relation 3623. Up to 156 conditions per place. [2021-12-21 15:07:58,241 INFO L132 encePairwiseOnDemand]: 342/353 looper letters, 80 selfloop transitions, 43 changer transitions 0/319 dead transitions. [2021-12-21 15:07:58,242 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 319 transitions, 1257 flow [2021-12-21 15:07:58,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 15:07:58,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-21 15:07:58,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2749 transitions. [2021-12-21 15:07:58,246 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8652817123072081 [2021-12-21 15:07:58,246 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2749 transitions. [2021-12-21 15:07:58,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2749 transitions. [2021-12-21 15:07:58,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:07:58,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2749 transitions. [2021-12-21 15:07:58,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 305.44444444444446) internal successors, (2749), 9 states have internal predecessors, (2749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:58,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:58,255 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:58,255 INFO L186 Difference]: Start difference. First operand has 220 places, 229 transitions, 602 flow. Second operand 9 states and 2749 transitions. [2021-12-21 15:07:58,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 319 transitions, 1257 flow [2021-12-21 15:07:58,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 319 transitions, 1233 flow, removed 12 selfloop flow, removed 0 redundant places. [2021-12-21 15:07:58,263 INFO L242 Difference]: Finished difference. Result has 235 places, 265 transitions, 990 flow [2021-12-21 15:07:58,263 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=990, PETRI_PLACES=235, PETRI_TRANSITIONS=265} [2021-12-21 15:07:58,264 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, 13 predicate places. [2021-12-21 15:07:58,264 INFO L470 AbstractCegarLoop]: Abstraction has has 235 places, 265 transitions, 990 flow [2021-12-21 15:07:58,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 296.0) internal successors, (1480), 5 states have internal predecessors, (1480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:58,265 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:07:58,265 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:07:58,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 15:07:58,265 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-12-21 15:07:58,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:07:58,266 INFO L85 PathProgramCache]: Analyzing trace with hash 472858484, now seen corresponding path program 1 times [2021-12-21 15:07:58,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:07:58,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745902850] [2021-12-21 15:07:58,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:07:58,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:07:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:07:58,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:07:58,323 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:07:58,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745902850] [2021-12-21 15:07:58,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745902850] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:07:58,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:07:58,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 15:07:58,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443345925] [2021-12-21 15:07:58,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:07:58,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 15:07:58,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:07:58,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 15:07:58,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 15:07:58,326 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 353 [2021-12-21 15:07:58,327 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 265 transitions, 990 flow. Second operand has 5 states, 5 states have (on average 287.8) internal successors, (1439), 5 states have internal predecessors, (1439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:58,327 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:07:58,328 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 353 [2021-12-21 15:07:58,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:07:58,801 INFO L129 PetriNetUnfolder]: 517/3583 cut-off events. [2021-12-21 15:07:58,801 INFO L130 PetriNetUnfolder]: For 4462/4659 co-relation queries the response was YES. [2021-12-21 15:07:58,848 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6589 conditions, 3583 events. 517/3583 cut-off events. For 4462/4659 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 29946 event pairs, 50 based on Foata normal form. 38/3305 useless extension candidates. Maximal degree in co-relation 5408. Up to 280 conditions per place. [2021-12-21 15:07:58,859 INFO L132 encePairwiseOnDemand]: 338/353 looper letters, 111 selfloop transitions, 46 changer transitions 0/344 dead transitions. [2021-12-21 15:07:58,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 344 transitions, 1979 flow [2021-12-21 15:07:58,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 15:07:58,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-21 15:07:58,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2652 transitions. [2021-12-21 15:07:58,864 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8347497639282342 [2021-12-21 15:07:58,864 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2652 transitions. [2021-12-21 15:07:58,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2652 transitions. [2021-12-21 15:07:58,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:07:58,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2652 transitions. [2021-12-21 15:07:58,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 294.6666666666667) internal successors, (2652), 9 states have internal predecessors, (2652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:58,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:58,873 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:58,874 INFO L186 Difference]: Start difference. First operand has 235 places, 265 transitions, 990 flow. Second operand 9 states and 2652 transitions. [2021-12-21 15:07:58,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 344 transitions, 1979 flow [2021-12-21 15:07:58,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 344 transitions, 1919 flow, removed 30 selfloop flow, removed 0 redundant places. [2021-12-21 15:07:58,889 INFO L242 Difference]: Finished difference. Result has 249 places, 297 transitions, 1469 flow [2021-12-21 15:07:58,889 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=964, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1469, PETRI_PLACES=249, PETRI_TRANSITIONS=297} [2021-12-21 15:07:58,890 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, 27 predicate places. [2021-12-21 15:07:58,891 INFO L470 AbstractCegarLoop]: Abstraction has has 249 places, 297 transitions, 1469 flow [2021-12-21 15:07:58,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 287.8) internal successors, (1439), 5 states have internal predecessors, (1439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:58,891 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:07:58,892 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:07:58,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 15:07:58,892 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-12-21 15:07:58,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:07:58,892 INFO L85 PathProgramCache]: Analyzing trace with hash 2082705149, now seen corresponding path program 1 times [2021-12-21 15:07:58,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:07:58,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553684421] [2021-12-21 15:07:58,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:07:58,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:07:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:07:58,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:07:58,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:07:58,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553684421] [2021-12-21 15:07:58,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553684421] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:07:58,966 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:07:58,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 15:07:58,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414680998] [2021-12-21 15:07:58,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:07:58,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 15:07:58,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:07:58,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 15:07:58,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 15:07:58,968 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 353 [2021-12-21 15:07:58,969 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 297 transitions, 1469 flow. Second operand has 5 states, 5 states have (on average 289.0) internal successors, (1445), 5 states have internal predecessors, (1445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:58,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:07:58,970 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 353 [2021-12-21 15:07:58,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:07:59,393 INFO L129 PetriNetUnfolder]: 506/3566 cut-off events. [2021-12-21 15:07:59,393 INFO L130 PetriNetUnfolder]: For 5732/5951 co-relation queries the response was YES. [2021-12-21 15:07:59,411 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6958 conditions, 3566 events. 506/3566 cut-off events. For 5732/5951 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 29826 event pairs, 49 based on Foata normal form. 14/3271 useless extension candidates. Maximal degree in co-relation 5422. Up to 431 conditions per place. [2021-12-21 15:07:59,421 INFO L132 encePairwiseOnDemand]: 345/353 looper letters, 94 selfloop transitions, 14 changer transitions 17/329 dead transitions. [2021-12-21 15:07:59,421 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 329 transitions, 1991 flow [2021-12-21 15:07:59,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 15:07:59,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-12-21 15:07:59,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2334 transitions. [2021-12-21 15:07:59,425 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8264872521246459 [2021-12-21 15:07:59,425 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2334 transitions. [2021-12-21 15:07:59,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2334 transitions. [2021-12-21 15:07:59,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:07:59,426 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2334 transitions. [2021-12-21 15:07:59,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 291.75) internal successors, (2334), 8 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:59,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:59,433 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:59,433 INFO L186 Difference]: Start difference. First operand has 249 places, 297 transitions, 1469 flow. Second operand 8 states and 2334 transitions. [2021-12-21 15:07:59,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 329 transitions, 1991 flow [2021-12-21 15:07:59,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 329 transitions, 1851 flow, removed 67 selfloop flow, removed 1 redundant places. [2021-12-21 15:07:59,451 INFO L242 Difference]: Finished difference. Result has 261 places, 302 transitions, 1430 flow [2021-12-21 15:07:59,451 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1343, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1430, PETRI_PLACES=261, PETRI_TRANSITIONS=302} [2021-12-21 15:07:59,452 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, 39 predicate places. [2021-12-21 15:07:59,452 INFO L470 AbstractCegarLoop]: Abstraction has has 261 places, 302 transitions, 1430 flow [2021-12-21 15:07:59,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 289.0) internal successors, (1445), 5 states have internal predecessors, (1445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:59,453 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:07:59,453 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:07:59,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 15:07:59,454 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-12-21 15:07:59,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:07:59,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1028848906, now seen corresponding path program 1 times [2021-12-21 15:07:59,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:07:59,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171192745] [2021-12-21 15:07:59,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:07:59,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:07:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:07:59,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:07:59,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:07:59,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171192745] [2021-12-21 15:07:59,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171192745] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:07:59,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:07:59,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 15:07:59,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949246943] [2021-12-21 15:07:59,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:07:59,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 15:07:59,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:07:59,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 15:07:59,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 15:07:59,515 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 353 [2021-12-21 15:07:59,516 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 302 transitions, 1430 flow. Second operand has 5 states, 5 states have (on average 311.0) internal successors, (1555), 5 states have internal predecessors, (1555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:07:59,516 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:07:59,516 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 353 [2021-12-21 15:07:59,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:08:00,347 INFO L129 PetriNetUnfolder]: 598/5512 cut-off events. [2021-12-21 15:08:00,348 INFO L130 PetriNetUnfolder]: For 6546/6812 co-relation queries the response was YES. [2021-12-21 15:08:00,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10525 conditions, 5512 events. 598/5512 cut-off events. For 6546/6812 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 54731 event pairs, 24 based on Foata normal form. 37/5116 useless extension candidates. Maximal degree in co-relation 10440. Up to 278 conditions per place. [2021-12-21 15:08:00,393 INFO L132 encePairwiseOnDemand]: 346/353 looper letters, 28 selfloop transitions, 9 changer transitions 0/322 dead transitions. [2021-12-21 15:08:00,393 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 322 transitions, 1557 flow [2021-12-21 15:08:00,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:08:00,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-21 15:08:00,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2199 transitions. [2021-12-21 15:08:00,397 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8899231080534197 [2021-12-21 15:08:00,397 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2199 transitions. [2021-12-21 15:08:00,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2199 transitions. [2021-12-21 15:08:00,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:08:00,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2199 transitions. [2021-12-21 15:08:00,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 314.14285714285717) internal successors, (2199), 7 states have internal predecessors, (2199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:08:00,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:08:00,403 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:08:00,403 INFO L186 Difference]: Start difference. First operand has 261 places, 302 transitions, 1430 flow. Second operand 7 states and 2199 transitions. [2021-12-21 15:08:00,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 322 transitions, 1557 flow [2021-12-21 15:08:00,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 322 transitions, 1523 flow, removed 17 selfloop flow, removed 2 redundant places. [2021-12-21 15:08:00,433 INFO L242 Difference]: Finished difference. Result has 269 places, 310 transitions, 1464 flow [2021-12-21 15:08:00,434 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1396, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1464, PETRI_PLACES=269, PETRI_TRANSITIONS=310} [2021-12-21 15:08:00,434 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, 47 predicate places. [2021-12-21 15:08:00,435 INFO L470 AbstractCegarLoop]: Abstraction has has 269 places, 310 transitions, 1464 flow [2021-12-21 15:08:00,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 311.0) internal successors, (1555), 5 states have internal predecessors, (1555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:08:00,435 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:08:00,435 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:08:00,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 15:08:00,436 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-12-21 15:08:00,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:08:00,436 INFO L85 PathProgramCache]: Analyzing trace with hash 31831274, now seen corresponding path program 1 times [2021-12-21 15:08:00,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:08:00,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045277298] [2021-12-21 15:08:00,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:08:00,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:08:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:08:00,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:08:00,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:08:00,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045277298] [2021-12-21 15:08:00,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045277298] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:08:00,490 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:08:00,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 15:08:00,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170901810] [2021-12-21 15:08:00,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:08:00,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 15:08:00,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:08:00,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 15:08:00,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 15:08:00,492 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 353 [2021-12-21 15:08:00,493 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 310 transitions, 1464 flow. Second operand has 5 states, 5 states have (on average 310.2) internal successors, (1551), 5 states have internal predecessors, (1551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:08:00,493 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:08:00,494 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 353 [2021-12-21 15:08:00,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:08:01,457 INFO L129 PetriNetUnfolder]: 706/6838 cut-off events. [2021-12-21 15:08:01,457 INFO L130 PetriNetUnfolder]: For 7430/7705 co-relation queries the response was YES. [2021-12-21 15:08:01,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13018 conditions, 6838 events. 706/6838 cut-off events. For 7430/7705 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 70751 event pairs, 26 based on Foata normal form. 47/6364 useless extension candidates. Maximal degree in co-relation 11945. Up to 318 conditions per place. [2021-12-21 15:08:01,524 INFO L132 encePairwiseOnDemand]: 345/353 looper letters, 25 selfloop transitions, 8 changer transitions 4/319 dead transitions. [2021-12-21 15:08:01,525 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 319 transitions, 1515 flow [2021-12-21 15:08:01,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:08:01,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-21 15:08:01,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2188 transitions. [2021-12-21 15:08:01,529 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8854714690408741 [2021-12-21 15:08:01,529 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2188 transitions. [2021-12-21 15:08:01,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2188 transitions. [2021-12-21 15:08:01,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:08:01,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2188 transitions. [2021-12-21 15:08:01,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 312.57142857142856) internal successors, (2188), 7 states have internal predecessors, (2188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:08:01,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:08:01,535 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:08:01,536 INFO L186 Difference]: Start difference. First operand has 269 places, 310 transitions, 1464 flow. Second operand 7 states and 2188 transitions. [2021-12-21 15:08:01,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 319 transitions, 1515 flow [2021-12-21 15:08:01,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 319 transitions, 1515 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-12-21 15:08:01,575 INFO L242 Difference]: Finished difference. Result has 280 places, 307 transitions, 1424 flow [2021-12-21 15:08:01,575 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=1405, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1424, PETRI_PLACES=280, PETRI_TRANSITIONS=307} [2021-12-21 15:08:01,576 INFO L334 CegarLoopForPetriNet]: 222 programPoint places, 58 predicate places. [2021-12-21 15:08:01,576 INFO L470 AbstractCegarLoop]: Abstraction has has 280 places, 307 transitions, 1424 flow [2021-12-21 15:08:01,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 310.2) internal successors, (1551), 5 states have internal predecessors, (1551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:08:01,577 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:08:01,577 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:08:01,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 15:08:01,577 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2021-12-21 15:08:01,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:08:01,578 INFO L85 PathProgramCache]: Analyzing trace with hash 24630793, now seen corresponding path program 1 times [2021-12-21 15:08:01,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:08:01,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932864206] [2021-12-21 15:08:01,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:08:01,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:08:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 15:08:01,600 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 15:08:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 15:08:01,635 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 15:08:01,635 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 15:08:01,636 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 14 remaining) [2021-12-21 15:08:01,637 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 14 remaining) [2021-12-21 15:08:01,637 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 14 remaining) [2021-12-21 15:08:01,638 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (10 of 14 remaining) [2021-12-21 15:08:01,638 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (9 of 14 remaining) [2021-12-21 15:08:01,638 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (8 of 14 remaining) [2021-12-21 15:08:01,638 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION (7 of 14 remaining) [2021-12-21 15:08:01,638 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION (6 of 14 remaining) [2021-12-21 15:08:01,638 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 14 remaining) [2021-12-21 15:08:01,639 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr1INUSE_VIOLATION (4 of 14 remaining) [2021-12-21 15:08:01,639 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 14 remaining) [2021-12-21 15:08:01,639 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 14 remaining) [2021-12-21 15:08:01,639 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 14 remaining) [2021-12-21 15:08:01,639 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread_usbThread1of1ForFork0Err2INUSE_VIOLATION (0 of 14 remaining) [2021-12-21 15:08:01,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-21 15:08:01,642 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:08:01,646 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-21 15:08:01,646 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 15:08:01,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 03:08:01 BasicIcfg [2021-12-21 15:08:01,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 15:08:01,694 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 15:08:01,695 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 15:08:01,695 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 15:08:01,695 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:07:56" (3/4) ... [2021-12-21 15:08:01,696 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-21 15:08:01,763 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 15:08:01,763 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 15:08:01,763 INFO L158 Benchmark]: Toolchain (without parser) took 6664.03ms. Allocated memory was 98.6MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 64.8MB in the beginning and 931.5MB in the end (delta: -866.6MB). Peak memory consumption was 426.7MB. Max. memory is 16.1GB. [2021-12-21 15:08:01,764 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 81.8MB. Free memory is still 38.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:08:01,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 580.46ms. Allocated memory is still 98.6MB. Free memory was 64.4MB in the beginning and 63.6MB in the end (delta: 814.5kB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2021-12-21 15:08:01,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.91ms. Allocated memory is still 98.6MB. Free memory was 63.6MB in the beginning and 59.8MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 15:08:01,764 INFO L158 Benchmark]: Boogie Preprocessor took 43.13ms. Allocated memory is still 98.6MB. Free memory was 59.8MB in the beginning and 57.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-21 15:08:01,765 INFO L158 Benchmark]: RCFGBuilder took 526.17ms. Allocated memory is still 98.6MB. Free memory was 57.3MB in the beginning and 63.4MB in the end (delta: -6.1MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2021-12-21 15:08:01,765 INFO L158 Benchmark]: TraceAbstraction took 5351.56ms. Allocated memory was 98.6MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 62.9MB in the beginning and 947.2MB in the end (delta: -884.3MB). Peak memory consumption was 408.6MB. Max. memory is 16.1GB. [2021-12-21 15:08:01,765 INFO L158 Benchmark]: Witness Printer took 68.39ms. Allocated memory is still 1.4GB. Free memory was 947.2MB in the beginning and 931.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-21 15:08:01,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 81.8MB. Free memory is still 38.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 580.46ms. Allocated memory is still 98.6MB. Free memory was 64.4MB in the beginning and 63.6MB in the end (delta: 814.5kB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.91ms. Allocated memory is still 98.6MB. Free memory was 63.6MB in the beginning and 59.8MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.13ms. Allocated memory is still 98.6MB. Free memory was 59.8MB in the beginning and 57.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 526.17ms. Allocated memory is still 98.6MB. Free memory was 57.3MB in the beginning and 63.4MB in the end (delta: -6.1MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5351.56ms. Allocated memory was 98.6MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 62.9MB in the beginning and 947.2MB in the end (delta: -884.3MB). Peak memory consumption was 408.6MB. Max. memory is 16.1GB. * Witness Printer took 68.39ms. Allocated memory is still 1.4GB. Free memory was 947.2MB in the beginning and 931.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1693]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1694] 0 pthread_t t1, t2; VAL [t1={3:0}, t2={4:0}] [L1695] 0 pthread_mutex_t mutex; VAL [mutex={5:0}, t1={3:0}, t2={4:0}] [L1696] 0 int pdev; VAL [mutex={5:0}, pdev=0, t1={3:0}, t2={4:0}] [L1741] 0 int ldv_usb_state; VAL [ldv_usb_state=0, mutex={5:0}, pdev=0, t1={3:0}, t2={4:0}] [L1798] CALL 0 module_init() [L1779] 0 pdev = 1 VAL [ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1780] CALL 0 ldv_assert(pdev==1) [L1693] COND FALSE 0 !(!expression) VAL [\old(expression)=1, expression=1, ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1780] RET 0 ldv_assert(pdev==1) [L1781] COND TRUE 0 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1782] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread_usb, ((void *)0)) VAL [ldv_usb_state=0, mutex={5:0}, pdev=1, pthread_create(&t1, ((void *)0), thread_usb, ((void *)0))=-1, t1={3:0}, t2={4:0}] [L1743] 1 ldv_usb_state = 0 VAL [arg={0:0}, arg={0:0}, ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1744] 1 int probe_ret; VAL [arg={0:0}, arg={0:0}, ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1745] COND TRUE 1 1 VAL [arg={0:0}, arg={0:0}, ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1747] 1 case 0: VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1748] COND TRUE 1 ldv_usb_state==0 VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1749] CALL, EXPR 1 ath_ahb_probe() [L1730] 1 int error; VAL [ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1731] CALL, EXPR 1 ieee80211_register_hw() [L1717] COND TRUE 1 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1718] FCALL, FORK 1 pthread_create(&t2, ((void *)0), thread_ath9k, ((void *)0)) VAL [ldv_usb_state=0, mutex={5:0}, pdev=1, pthread_create(&t2, ((void *)0), thread_ath9k, ((void *)0))=0, t1={3:0}, t2={4:0}] [L1704] COND TRUE 2 1 VAL [arg={0:0}, arg={0:0}, ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1706] 2 case 1: VAL [__VERIFIER_nondet_int()=1, arg={0:0}, arg={0:0}, ldv_usb_state=0, mutex={5:0}, pdev=1, t1={3:0}, t2={4:0}] [L1707] CALL 2 ath9k_flush() [L1699] 2 pdev = 6 VAL [ldv_usb_state=0, mutex={5:0}, pdev=6, t1={3:0}, t2={4:0}] [L1719] 1 return 0; VAL [\result=0, ldv_usb_state=0, mutex={5:0}, pdev=6, t1={3:0}, t2={4:0}] [L1731] RET, EXPR 1 ieee80211_register_hw() [L1731] 1 error = ieee80211_register_hw() VAL [error=0, ieee80211_register_hw()=0, ldv_usb_state=0, mutex={5:0}, pdev=6, t1={3:0}, t2={4:0}] [L1732] COND FALSE 1 !(\read(error)) VAL [error=0, ldv_usb_state=0, mutex={5:0}, pdev=6, t1={3:0}, t2={4:0}] [L1734] 1 return 0; VAL [\result=0, error=0, ldv_usb_state=0, mutex={5:0}, pdev=6, t1={3:0}, t2={4:0}] [L1749] RET, EXPR 1 ath_ahb_probe() [L1749] 1 probe_ret = ath_ahb_probe() VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, ath_ahb_probe()=0, ldv_usb_state=0, mutex={5:0}, pdev=6, probe_ret=0, t1={3:0}, t2={4:0}] [L1750] COND FALSE 1 !(probe_ret!=0) VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, ldv_usb_state=0, mutex={5:0}, pdev=6, probe_ret=0, t1={3:0}, t2={4:0}] [L1752] 1 ldv_usb_state = 1 VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, ldv_usb_state=1, mutex={5:0}, pdev=6, probe_ret=0, t1={3:0}, t2={4:0}] [L1753] 1 pdev = 7 VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, ldv_usb_state=1, mutex={5:0}, pdev=7, probe_ret=0, t1={3:0}, t2={4:0}] [L1700] CALL 2 ldv_assert(pdev==6) [L1693] COND TRUE 2 !expression VAL [\old(expression)=1, \old(expression)=0, expression=1, expression=0, ldv_usb_state=1, mutex={5:0}, pdev=7, t1={3:0}, t2={4:0}] [L1693] 2 reach_error() VAL [\old(expression)=0, \old(expression)=1, expression=1, expression=0, ldv_usb_state=1, mutex={5:0}, pdev=7, t1={3:0}, t2={4:0}] - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1782]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1693]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1718]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 348 locations, 14 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.2s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 320 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 320 mSDsluCounter, 440 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 373 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 484 IncrementalHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 174 mSDtfsCounter, 484 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1469occurred in iteration=5, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 708 NumberOfCodeBlocks, 708 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 599 ConstructedInterpolants, 0 QuantifiedInterpolants, 701 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-12-21 15:08:01,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE