/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/ldv-races/race-4_2-thread_local_vars.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 15:51:26,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 15:51:26,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 15:51:26,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 15:51:26,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 15:51:26,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 15:51:26,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 15:51:26,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 15:51:26,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 15:51:26,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 15:51:26,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 15:51:26,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 15:51:26,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 15:51:26,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 15:51:26,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 15:51:26,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 15:51:26,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 15:51:26,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 15:51:26,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 15:51:26,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 15:51:26,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 15:51:26,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 15:51:26,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 15:51:26,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 15:51:26,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 15:51:26,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 15:51:26,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 15:51:26,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 15:51:26,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 15:51:26,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 15:51:26,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 15:51:26,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 15:51:26,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 15:51:26,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 15:51:26,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 15:51:26,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 15:51:26,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 15:51:26,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 15:51:26,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 15:51:26,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 15:51:26,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 15:51:26,883 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-McrStrategy.epf [2020-04-18 15:51:26,909 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 15:51:26,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 15:51:26,911 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 15:51:26,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 15:51:26,911 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 15:51:26,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 15:51:26,912 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 15:51:26,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 15:51:26,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 15:51:26,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 15:51:26,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 15:51:26,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 15:51:26,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 15:51:26,914 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 15:51:26,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 15:51:26,917 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 15:51:26,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 15:51:26,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 15:51:26,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 15:51:26,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 15:51:26,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 15:51:26,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 15:51:26,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 15:51:26,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 15:51:26,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 15:51:26,920 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 15:51:26,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 15:51:26,920 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-04-18 15:51:26,920 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 15:51:26,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 15:51:26,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 15:51:27,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 15:51:27,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 15:51:27,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 15:51:27,211 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 15:51:27,211 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 15:51:27,212 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-4_2-thread_local_vars.i [2020-04-18 15:51:27,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b730e5cb/314102567376404085f9f60ee8a68150/FLAGbe64b832d [2020-04-18 15:51:27,904 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 15:51:27,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_2-thread_local_vars.i [2020-04-18 15:51:27,937 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b730e5cb/314102567376404085f9f60ee8a68150/FLAGbe64b832d [2020-04-18 15:51:28,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b730e5cb/314102567376404085f9f60ee8a68150 [2020-04-18 15:51:28,109 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 15:51:28,131 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 15:51:28,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 15:51:28,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 15:51:28,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 15:51:28,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:51:28" (1/1) ... [2020-04-18 15:51:28,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6931a5fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:28, skipping insertion in model container [2020-04-18 15:51:28,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:51:28" (1/1) ... [2020-04-18 15:51:28,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 15:51:28,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 15:51:29,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 15:51:29,070 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 15:51:29,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 15:51:29,685 INFO L208 MainTranslator]: Completed translation [2020-04-18 15:51:29,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:29 WrapperNode [2020-04-18 15:51:29,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 15:51:29,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 15:51:29,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 15:51:29,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 15:51:29,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:29" (1/1) ... [2020-04-18 15:51:29,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:29" (1/1) ... [2020-04-18 15:51:29,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 15:51:29,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 15:51:29,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 15:51:29,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 15:51:29,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:29" (1/1) ... [2020-04-18 15:51:29,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:29" (1/1) ... [2020-04-18 15:51:29,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:29" (1/1) ... [2020-04-18 15:51:29,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:29" (1/1) ... [2020-04-18 15:51:29,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:29" (1/1) ... [2020-04-18 15:51:29,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:29" (1/1) ... [2020-04-18 15:51:29,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:29" (1/1) ... [2020-04-18 15:51:29,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 15:51:29,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 15:51:29,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 15:51:29,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 15:51:29,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 15:51:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2020-04-18 15:51:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2020-04-18 15:51:29,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 15:51:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-18 15:51:29,987 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2020-04-18 15:51:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2020-04-18 15:51:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-18 15:51:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-04-18 15:51:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 15:51:29,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 15:51:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 15:51:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 15:51:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-18 15:51:29,992 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 15:51:30,903 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 15:51:30,904 INFO L295 CfgBuilder]: Removed 34 assume(true) statements. [2020-04-18 15:51:30,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:51:30 BoogieIcfgContainer [2020-04-18 15:51:30,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 15:51:30,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 15:51:30,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 15:51:30,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 15:51:30,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 03:51:28" (1/3) ... [2020-04-18 15:51:30,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aab1367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:51:30, skipping insertion in model container [2020-04-18 15:51:30,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:51:29" (2/3) ... [2020-04-18 15:51:30,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aab1367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 03:51:30, skipping insertion in model container [2020-04-18 15:51:30,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 03:51:30" (3/3) ... [2020-04-18 15:51:30,917 INFO L109 eAbstractionObserver]: Analyzing ICFG race-4_2-thread_local_vars.i [2020-04-18 15:51:30,926 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 15:51:30,926 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 15:51:30,933 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2020-04-18 15:51:30,934 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 15:51:30,974 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,974 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,974 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,974 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,975 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,975 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,975 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,976 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,977 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,978 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,978 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,978 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,979 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,979 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,980 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,980 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,980 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,981 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,981 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,981 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,981 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,982 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,982 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,982 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,982 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,983 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,983 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,985 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,985 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,986 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,986 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,986 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,987 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,987 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,987 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,987 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,988 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,988 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,988 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,989 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,989 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,989 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,989 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,989 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,990 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,990 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,990 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,991 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,991 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,991 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,992 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,992 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,992 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,992 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,992 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,993 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,993 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,993 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,994 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,994 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,994 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,994 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,994 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,995 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,995 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,995 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,995 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,996 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,996 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,996 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,997 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,997 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,997 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,998 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,998 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,999 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,999 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,999 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:30,999 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,000 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,000 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,000 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,000 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,001 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,001 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,001 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,001 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,002 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,002 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,002 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,002 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,003 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,003 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,003 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,003 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,004 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,004 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,004 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,004 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,004 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,005 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,005 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,005 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,006 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,006 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,006 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,006 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,007 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,007 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,007 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,007 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,008 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,008 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,008 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,008 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,009 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,009 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,009 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,009 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,009 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,014 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,014 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,014 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,014 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,015 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,015 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,015 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,015 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,016 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,030 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,030 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,030 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,031 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,031 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,032 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,032 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,033 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,033 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,033 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,033 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,033 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,034 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,034 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,034 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,034 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,035 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,035 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,035 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,035 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,036 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,040 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,040 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,040 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,040 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,041 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,041 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,041 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,042 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,042 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 15:51:31,089 INFO L251 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2020-04-18 15:51:31,107 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 15:51:31,108 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 15:51:31,108 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 15:51:31,108 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 15:51:31,108 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 15:51:31,108 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 15:51:31,109 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 15:51:31,109 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 15:51:31,133 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 285 transitions, 612 flow [2020-04-18 15:51:31,135 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 251 places, 285 transitions, 612 flow [2020-04-18 15:51:31,310 INFO L129 PetriNetUnfolder]: 69/511 cut-off events. [2020-04-18 15:51:31,310 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-04-18 15:51:31,321 INFO L80 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 511 events. 69/511 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1228 event pairs, 0 based on Foata normal form. 0/416 useless extension candidates. Maximal degree in co-relation 531. Up to 28 conditions per place. [2020-04-18 15:51:31,342 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 251 places, 285 transitions, 612 flow [2020-04-18 15:51:31,416 INFO L129 PetriNetUnfolder]: 69/511 cut-off events. [2020-04-18 15:51:31,417 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-04-18 15:51:31,421 INFO L80 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 511 events. 69/511 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1228 event pairs, 0 based on Foata normal form. 0/416 useless extension candidates. Maximal degree in co-relation 531. Up to 28 conditions per place. [2020-04-18 15:51:31,444 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 10574 [2020-04-18 15:51:31,446 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 15:51:34,574 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2020-04-18 15:51:34,869 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-04-18 15:51:38,185 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-04-18 15:51:39,967 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2020-04-18 15:51:39,971 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2020-04-18 15:51:41,547 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2020-04-18 15:51:41,778 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-04-18 15:51:41,884 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-04-18 15:51:42,350 WARN L192 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-04-18 15:51:42,484 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-04-18 15:51:42,847 WARN L192 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-04-18 15:51:43,016 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-04-18 15:51:43,110 INFO L206 etLargeBlockEncoding]: Checked pairs total: 14214 [2020-04-18 15:51:43,110 INFO L214 etLargeBlockEncoding]: Total number of compositions: 331 [2020-04-18 15:51:43,114 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 68 transitions, 178 flow [2020-04-18 15:51:43,178 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 870 states. [2020-04-18 15:51:43,180 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states. [2020-04-18 15:51:43,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-04-18 15:51:43,189 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 15:51:43,190 INFO L425 BasicCegarLoop]: trace histogram [1] [2020-04-18 15:51:43,191 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 15:51:43,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:43,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1008, now seen corresponding path program 1 times [2020-04-18 15:51:43,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 15:51:43,206 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [488832971] [2020-04-18 15:51:43,222 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:43,229 INFO L259 McrAutomatonBuilder]: Finished intersection with 2 states and 1 transitions. [2020-04-18 15:51:43,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-04-18 15:51:43,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-04-18 15:51:43,233 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 15:51:43,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:43,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1008, now seen corresponding path program 2 times [2020-04-18 15:51:43,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:51:43,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881983542] [2020-04-18 15:51:43,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:51:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:51:43,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:51:43,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881983542] [2020-04-18 15:51:43,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:51:43,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-04-18 15:51:43,481 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:51:43,481 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:43,482 INFO L259 McrAutomatonBuilder]: Finished intersection with 2 states and 1 transitions. [2020-04-18 15:51:43,482 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:51:43,485 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 15:51:43,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 15:51:43,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 15:51:43,489 INFO L87 Difference]: Start difference. First operand 2 states. Second operand 2 states. [2020-04-18 15:51:43,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:43,494 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2020-04-18 15:51:43,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states and 1 transitions. [2020-04-18 15:51:43,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 15:51:43,495 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [488832971] [2020-04-18 15:51:43,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 15:51:43,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [0] total 0 [2020-04-18 15:51:43,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [488832971] [2020-04-18 15:51:43,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-18 15:51:43,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 15:51:43,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-18 15:51:43,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 15:51:43,509 INFO L87 Difference]: Start difference. First operand 870 states. Second operand 2 states. [2020-04-18 15:51:43,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:43,551 INFO L93 Difference]: Finished difference Result 868 states and 2598 transitions. [2020-04-18 15:51:43,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-18 15:51:43,552 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-04-18 15:51:43,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 15:51:43,589 INFO L225 Difference]: With dead ends: 868 [2020-04-18 15:51:43,590 INFO L226 Difference]: Without dead ends: 845 [2020-04-18 15:51:43,591 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-18 15:51:43,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2020-04-18 15:51:43,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 845. [2020-04-18 15:51:43,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2020-04-18 15:51:43,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 2552 transitions. [2020-04-18 15:51:43,733 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 2552 transitions. Word has length 1 [2020-04-18 15:51:43,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 15:51:43,733 INFO L479 AbstractCegarLoop]: Abstraction has 845 states and 2552 transitions. [2020-04-18 15:51:43,733 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-18 15:51:43,733 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 2552 transitions. [2020-04-18 15:51:43,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 15:51:43,734 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 15:51:43,734 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-18 15:51:43,735 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 15:51:43,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:43,735 INFO L82 PathProgramCache]: Analyzing trace with hash -644795035, now seen corresponding path program 1 times [2020-04-18 15:51:43,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 15:51:43,736 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [527927861] [2020-04-18 15:51:43,736 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:43,737 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 15:51:43,737 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2020-04-18 15:51:43,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 15:51:43,737 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 15:51:43,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:43,738 INFO L82 PathProgramCache]: Analyzing trace with hash -644795035, now seen corresponding path program 2 times [2020-04-18 15:51:43,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:51:43,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250358710] [2020-04-18 15:51:43,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:51:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:51:43,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:51:43,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250358710] [2020-04-18 15:51:43,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:51:43,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 15:51:43,944 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:51:43,945 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:43,945 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 15:51:43,946 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:51:44,007 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 15:51:44,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 15:51:44,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 15:51:44,008 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2020-04-18 15:51:44,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:44,034 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2020-04-18 15:51:44,034 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-04-18 15:51:44,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 15:51:44,035 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [527927861] [2020-04-18 15:51:44,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 15:51:44,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 15:51:44,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [527927861] [2020-04-18 15:51:44,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 15:51:44,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 15:51:44,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 15:51:44,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 15:51:44,037 INFO L87 Difference]: Start difference. First operand 845 states and 2552 transitions. Second operand 4 states. [2020-04-18 15:51:44,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:44,191 INFO L93 Difference]: Finished difference Result 1211 states and 3599 transitions. [2020-04-18 15:51:44,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 15:51:44,192 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-04-18 15:51:44,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 15:51:44,205 INFO L225 Difference]: With dead ends: 1211 [2020-04-18 15:51:44,205 INFO L226 Difference]: Without dead ends: 1196 [2020-04-18 15:51:44,208 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 15:51:44,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2020-04-18 15:51:44,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 949. [2020-04-18 15:51:44,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 949 states. [2020-04-18 15:51:44,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 2837 transitions. [2020-04-18 15:51:44,262 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 2837 transitions. Word has length 6 [2020-04-18 15:51:44,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 15:51:44,264 INFO L479 AbstractCegarLoop]: Abstraction has 949 states and 2837 transitions. [2020-04-18 15:51:44,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 15:51:44,264 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 2837 transitions. [2020-04-18 15:51:44,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 15:51:44,265 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 15:51:44,265 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-18 15:51:44,265 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 15:51:44,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:44,266 INFO L82 PathProgramCache]: Analyzing trace with hash -644779174, now seen corresponding path program 1 times [2020-04-18 15:51:44,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 15:51:44,266 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [2104861050] [2020-04-18 15:51:44,267 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:44,267 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 15:51:44,267 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2020-04-18 15:51:44,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-18 15:51:44,268 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 15:51:44,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:44,268 INFO L82 PathProgramCache]: Analyzing trace with hash -644779174, now seen corresponding path program 2 times [2020-04-18 15:51:44,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:51:44,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939850941] [2020-04-18 15:51:44,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:51:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:51:44,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:51:44,340 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939850941] [2020-04-18 15:51:44,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:51:44,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 15:51:44,341 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:51:44,342 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:44,342 INFO L259 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-04-18 15:51:44,342 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:51:44,350 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 15:51:44,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 15:51:44,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:44,351 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2020-04-18 15:51:44,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:44,355 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2020-04-18 15:51:44,355 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-04-18 15:51:44,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 15:51:44,356 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [2104861050] [2020-04-18 15:51:44,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 15:51:44,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2020-04-18 15:51:44,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [2104861050] [2020-04-18 15:51:44,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 15:51:44,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 15:51:44,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 15:51:44,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:44,358 INFO L87 Difference]: Start difference. First operand 949 states and 2837 transitions. Second operand 3 states. [2020-04-18 15:51:44,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:44,390 INFO L93 Difference]: Finished difference Result 1369 states and 3972 transitions. [2020-04-18 15:51:44,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 15:51:44,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-04-18 15:51:44,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 15:51:44,401 INFO L225 Difference]: With dead ends: 1369 [2020-04-18 15:51:44,402 INFO L226 Difference]: Without dead ends: 1365 [2020-04-18 15:51:44,402 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:44,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2020-04-18 15:51:44,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 993. [2020-04-18 15:51:44,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 993 states. [2020-04-18 15:51:44,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 993 states and 2969 transitions. [2020-04-18 15:51:44,442 INFO L78 Accepts]: Start accepts. Automaton has 993 states and 2969 transitions. Word has length 6 [2020-04-18 15:51:44,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 15:51:44,442 INFO L479 AbstractCegarLoop]: Abstraction has 993 states and 2969 transitions. [2020-04-18 15:51:44,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 15:51:44,443 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 2969 transitions. [2020-04-18 15:51:44,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 15:51:44,444 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 15:51:44,444 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 15:51:44,444 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 15:51:44,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:44,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1174649077, now seen corresponding path program 1 times [2020-04-18 15:51:44,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 15:51:44,445 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [223888500] [2020-04-18 15:51:44,445 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:44,446 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-04-18 15:51:44,446 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-04-18 15:51:44,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 15:51:44,446 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 15:51:44,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:44,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1174649077, now seen corresponding path program 2 times [2020-04-18 15:51:44,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:51:44,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112837643] [2020-04-18 15:51:44,447 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:51:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:51:44,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:51:44,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112837643] [2020-04-18 15:51:44,516 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:51:44,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 15:51:44,517 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:51:44,518 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:44,519 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-04-18 15:51:44,519 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:51:44,526 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 15:51:44,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 15:51:44,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:44,526 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-04-18 15:51:44,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:44,532 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2020-04-18 15:51:44,532 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2020-04-18 15:51:44,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 15:51:44,533 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [223888500] [2020-04-18 15:51:44,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 15:51:44,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 15:51:44,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [223888500] [2020-04-18 15:51:44,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 15:51:44,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 15:51:44,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 15:51:44,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:44,535 INFO L87 Difference]: Start difference. First operand 993 states and 2969 transitions. Second operand 3 states. [2020-04-18 15:51:44,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:44,612 INFO L93 Difference]: Finished difference Result 1391 states and 4208 transitions. [2020-04-18 15:51:44,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 15:51:44,613 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-04-18 15:51:44,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 15:51:44,623 INFO L225 Difference]: With dead ends: 1391 [2020-04-18 15:51:44,624 INFO L226 Difference]: Without dead ends: 1391 [2020-04-18 15:51:44,624 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:44,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states. [2020-04-18 15:51:44,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 1097. [2020-04-18 15:51:44,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1097 states. [2020-04-18 15:51:44,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 3285 transitions. [2020-04-18 15:51:44,666 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 3285 transitions. Word has length 8 [2020-04-18 15:51:44,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 15:51:44,667 INFO L479 AbstractCegarLoop]: Abstraction has 1097 states and 3285 transitions. [2020-04-18 15:51:44,667 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 15:51:44,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 3285 transitions. [2020-04-18 15:51:44,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 15:51:44,668 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 15:51:44,668 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 15:51:44,668 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 15:51:44,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:44,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1175069222, now seen corresponding path program 1 times [2020-04-18 15:51:44,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 15:51:44,669 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [636963644] [2020-04-18 15:51:44,670 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:44,670 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-04-18 15:51:44,670 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-04-18 15:51:44,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-18 15:51:44,671 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 15:51:44,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:44,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1175069222, now seen corresponding path program 2 times [2020-04-18 15:51:44,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:51:44,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179454149] [2020-04-18 15:51:44,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:51:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:51:44,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:51:44,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179454149] [2020-04-18 15:51:44,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:51:44,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 15:51:44,736 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:51:44,737 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:44,738 INFO L259 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-04-18 15:51:44,738 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:51:44,745 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 15:51:44,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 15:51:44,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:44,746 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-04-18 15:51:44,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:44,751 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2020-04-18 15:51:44,752 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2020-04-18 15:51:44,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 15:51:44,752 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [636963644] [2020-04-18 15:51:44,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 15:51:44,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2020-04-18 15:51:44,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [636963644] [2020-04-18 15:51:44,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 15:51:44,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 15:51:44,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 15:51:44,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:44,754 INFO L87 Difference]: Start difference. First operand 1097 states and 3285 transitions. Second operand 3 states. [2020-04-18 15:51:44,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:44,833 INFO L93 Difference]: Finished difference Result 1417 states and 4255 transitions. [2020-04-18 15:51:44,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 15:51:44,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-04-18 15:51:44,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 15:51:44,845 INFO L225 Difference]: With dead ends: 1417 [2020-04-18 15:51:44,846 INFO L226 Difference]: Without dead ends: 1393 [2020-04-18 15:51:44,846 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:44,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2020-04-18 15:51:44,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1105. [2020-04-18 15:51:44,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1105 states. [2020-04-18 15:51:44,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 3207 transitions. [2020-04-18 15:51:44,888 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 3207 transitions. Word has length 8 [2020-04-18 15:51:44,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 15:51:44,888 INFO L479 AbstractCegarLoop]: Abstraction has 1105 states and 3207 transitions. [2020-04-18 15:51:44,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 15:51:44,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 3207 transitions. [2020-04-18 15:51:44,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-04-18 15:51:44,890 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 15:51:44,890 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 15:51:44,890 INFO L427 AbstractCegarLoop]: === Iteration 6 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 15:51:44,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:44,891 INFO L82 PathProgramCache]: Analyzing trace with hash 738281419, now seen corresponding path program 1 times [2020-04-18 15:51:44,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 15:51:44,891 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [446777475] [2020-04-18 15:51:44,892 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:44,892 INFO L259 McrAutomatonBuilder]: Finished intersection with 17 states and 22 transitions. [2020-04-18 15:51:44,893 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-04-18 15:51:44,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-04-18 15:51:44,893 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 15:51:44,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:44,894 INFO L82 PathProgramCache]: Analyzing trace with hash 738651979, now seen corresponding path program 2 times [2020-04-18 15:51:44,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:51:44,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547774976] [2020-04-18 15:51:44,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:51:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 15:51:44,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 15:51:44,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547774976] [2020-04-18 15:51:44,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 15:51:44,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 15:51:44,953 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 15:51:44,954 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 15:51:44,955 INFO L259 McrAutomatonBuilder]: Finished intersection with 17 states and 21 transitions. [2020-04-18 15:51:44,955 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 15:51:44,964 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 15:51:44,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 15:51:44,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 15:51:44,965 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2020-04-18 15:51:44,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 15:51:44,976 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-04-18 15:51:44,976 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2020-04-18 15:51:44,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-04-18 15:51:44,976 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 15:51:44,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 15:51:44,977 INFO L82 PathProgramCache]: Analyzing trace with hash 738281419, now seen corresponding path program 3 times [2020-04-18 15:51:44,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 15:51:44,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727392677] [2020-04-18 15:51:44,977 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 15:51:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 15:51:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-18 15:51:45,054 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-18 15:51:45,054 INFO L174 FreeRefinementEngine]: Strategy MCR found a feasible trace [2020-04-18 15:51:45,054 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-18 15:51:45,055 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-04-18 15:51:45,055 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-04-18 15:51:45,060 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [946] [946] L1787-1-->L1770: Formula: (and (<= 0 (+ |ULTIMATE.start_module_init_#t~nondet41_Out626670600| 2147483648)) (= |ULTIMATE.start_ldv_assert_#in~expression_Out626670600| ULTIMATE.start_ldv_assert_~expression_Out626670600) (= |#pthreadsMutex_Out626670600| (store |#pthreadsMutex_In626670600| |~#mutex~0.base_In626670600| (store (select |#pthreadsMutex_In626670600| |~#mutex~0.base_In626670600|) |~#mutex~0.offset_In626670600| 0))) (= |ULTIMATE.start_ldv_assert_#in~expression_Out626670600| 1) (<= |ULTIMATE.start_module_init_#t~nondet41_Out626670600| 2147483647) (= ~pdev~0_Out626670600 1)) InVars {#pthreadsMutex=|#pthreadsMutex_In626670600|, ~#mutex~0.base=|~#mutex~0.base_In626670600|, ~#mutex~0.offset=|~#mutex~0.offset_In626670600|} OutVars{#pthreadsMutex=|#pthreadsMutex_Out626670600|, ~#mutex~0.base=|~#mutex~0.base_In626670600|, ~pdev~0=~pdev~0_Out626670600, ~#mutex~0.offset=|~#mutex~0.offset_In626670600|, ULTIMATE.start_module_init_#t~nondet42=|ULTIMATE.start_module_init_#t~nondet42_Out626670600|, ULTIMATE.start_module_init_#t~nondet41=|ULTIMATE.start_module_init_#t~nondet41_Out626670600|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out626670600|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out626670600} AuxVars[] AssignedVars[#pthreadsMutex, ~pdev~0, ULTIMATE.start_module_init_#t~nondet42, ULTIMATE.start_module_init_#t~nondet41, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-04-18 15:51:45,061 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [906] [906] L1720-4-->L1738-4: Formula: (let ((.cse0 (= |thread_usbThread1of1ForFork1_ath_ahb_probe_#res_Out684677472| |thread_usbThread1of1ForFork1_#t~ret40_Out684677472|)) (.cse1 (= thread_usbThread1of1ForFork1_~probe_ret~0_Out684677472 |thread_usbThread1of1ForFork1_#t~ret40_Out684677472|)) (.cse2 (= 0 thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_In684677472))) (or (and (= |thread_usbThread1of1ForFork1_ath_ahb_probe_#res_Out684677472| (- 1)) .cse0 .cse1 (not .cse2)) (and .cse0 .cse1 .cse2 (= |thread_usbThread1of1ForFork1_ath_ahb_probe_#res_Out684677472| 0)))) InVars {thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0=thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_In684677472} OutVars{thread_usbThread1of1ForFork1_ath_ahb_probe_#res=|thread_usbThread1of1ForFork1_ath_ahb_probe_#res_Out684677472|, thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37=|thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37_Out684677472|, thread_usbThread1of1ForFork1_#t~ret40=|thread_usbThread1of1ForFork1_#t~ret40_Out684677472|, thread_usbThread1of1ForFork1_~probe_ret~0=thread_usbThread1of1ForFork1_~probe_ret~0_Out684677472, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0=thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_In684677472} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_ath_ahb_probe_#res, thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37, thread_usbThread1of1ForFork1_#t~ret40, thread_usbThread1of1ForFork1_~probe_ret~0] because there is no mapped edge [2020-04-18 15:51:45,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 03:51:45 BasicIcfg [2020-04-18 15:51:45,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 15:51:45,094 INFO L168 Benchmark]: Toolchain (without parser) took 16984.24 ms. Allocated memory was 136.8 MB in the beginning and 347.6 MB in the end (delta: 210.8 MB). Free memory was 98.3 MB in the beginning and 126.4 MB in the end (delta: -28.2 MB). Peak memory consumption was 182.6 MB. Max. memory is 7.1 GB. [2020-04-18 15:51:45,095 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-04-18 15:51:45,096 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1554.46 ms. Allocated memory was 136.8 MB in the beginning and 232.8 MB in the end (delta: 95.9 MB). Free memory was 96.3 MB in the beginning and 166.1 MB in the end (delta: -69.8 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. [2020-04-18 15:51:45,097 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.62 ms. Allocated memory is still 232.8 MB. Free memory was 164.6 MB in the beginning and 161.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-04-18 15:51:45,097 INFO L168 Benchmark]: Boogie Preprocessor took 72.69 ms. Allocated memory is still 232.8 MB. Free memory was 161.6 MB in the beginning and 158.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-04-18 15:51:45,098 INFO L168 Benchmark]: RCFGBuilder took 1011.16 ms. Allocated memory is still 232.8 MB. Free memory was 158.6 MB in the beginning and 106.4 MB in the end (delta: 52.2 MB). Peak memory consumption was 52.2 MB. Max. memory is 7.1 GB. [2020-04-18 15:51:45,099 INFO L168 Benchmark]: TraceAbstraction took 14181.37 ms. Allocated memory was 232.8 MB in the beginning and 347.6 MB in the end (delta: 114.8 MB). Free memory was 106.4 MB in the beginning and 126.4 MB in the end (delta: -20.0 MB). Peak memory consumption was 94.8 MB. Max. memory is 7.1 GB. [2020-04-18 15:51:45,103 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1554.46 ms. Allocated memory was 136.8 MB in the beginning and 232.8 MB in the end (delta: 95.9 MB). Free memory was 96.3 MB in the beginning and 166.1 MB in the end (delta: -69.8 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 133.62 ms. Allocated memory is still 232.8 MB. Free memory was 164.6 MB in the beginning and 161.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 72.69 ms. Allocated memory is still 232.8 MB. Free memory was 161.6 MB in the beginning and 158.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1011.16 ms. Allocated memory is still 232.8 MB. Free memory was 158.6 MB in the beginning and 106.4 MB in the end (delta: 52.2 MB). Peak memory consumption was 52.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14181.37 ms. Allocated memory was 232.8 MB in the beginning and 347.6 MB in the end (delta: 114.8 MB). Free memory was 106.4 MB in the beginning and 126.4 MB in the end (delta: -20.0 MB). Peak memory consumption was 94.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 11.9s, 251 ProgramPointsBefore, 58 ProgramPointsAfterwards, 285 TransitionsBefore, 68 TransitionsAfterwards, 10574 CoEnabledTransitionPairs, 8 FixpointIterations, 141 TrivialSequentialCompositions, 121 ConcurrentSequentialCompositions, 24 TrivialYvCompositions, 45 ConcurrentYvCompositions, 24 ChoiceCompositions, 6304 VarBasedMoverChecksPositive, 57 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 14214 CheckedPairsTotal, 331 TotalNumberOfCompositions - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1683] 0 pthread_t t1, t2; [L1684] 0 pthread_mutex_t mutex; [L1685] 0 int pdev; [L1730] 0 int ldv_usb_state; [L1770] COND TRUE 0 __VERIFIER_nondet_int() [L1771] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread_usb, ((void *)0)) VAL [ldv_usb_state=0, mutex={5:0}, pdev=1, t1={2:0}, t2={3:0}] [L1732] 1 ldv_usb_state = 0 [L1733] 1 int probe_ret; VAL [ldv_usb_state=0, mutex={5:0}, pdev=1, t1={2:0}, t2={3:0}] [L1734] COND TRUE 1 1 [L1736] 1 case 0: [L1737] COND TRUE 1 ldv_usb_state==0 [L1719] 1 int error; [L1706] COND TRUE 1 __VERIFIER_nondet_int() [L1707] FCALL, FORK 1 pthread_create(&t2, ((void *)0), thread_ath9k, ((void *)0)) VAL [ldv_usb_state=0, mutex={5:0}, pdev=1, t1={2:0}, t2={3:0}] [L1708] 1 return 0; [L1720] 1 error = ieee80211_register_hw() [L1739] COND FALSE 1 !(probe_ret!=0) [L1741] 1 ldv_usb_state = 1 [L1742] 1 pdev = 7 VAL [ldv_usb_state=1, mutex={5:0}, pdev=7, t1={2:0}, t2={3:0}] [L1693] COND TRUE 2 1 [L1695] 2 case 1: [L1688] 2 pdev = 6 VAL [ldv_usb_state=1, mutex={5:0}, pdev=6, t1={2:0}, t2={3:0}] [L1682] COND TRUE 1 !expression [L1682] 1 __VERIFIER_error() VAL [ldv_usb_state=1, mutex={5:0}, pdev=6, t1={2:0}, t2={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 168 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.0s, HoareTripleCheckerStatistics: 330 SDtfs, 140 SDslu, 178 SDs, 0 SdLazy, 96 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1105occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 1201 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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! Received shutdown request...