/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-SemanticLbe.epf -i ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-17 22:43:51,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-17 22:43:51,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-17 22:43:51,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-17 22:43:51,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-17 22:43:51,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-17 22:43:51,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-17 22:43:51,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-17 22:43:51,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-17 22:43:51,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-17 22:43:51,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-17 22:43:51,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-17 22:43:51,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-17 22:43:51,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-17 22:43:51,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-17 22:43:51,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-17 22:43:51,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-17 22:43:51,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-17 22:43:51,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-17 22:43:51,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-17 22:43:51,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-17 22:43:51,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-17 22:43:51,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-17 22:43:51,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-17 22:43:51,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-17 22:43:51,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-17 22:43:51,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-17 22:43:51,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-17 22:43:51,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-17 22:43:51,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-17 22:43:51,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-17 22:43:51,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-17 22:43:51,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-17 22:43:51,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-17 22:43:51,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-17 22:43:51,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-17 22:43:51,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-17 22:43:51,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-17 22:43:51,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-17 22:43:51,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-17 22:43:51,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-17 22:43:51,726 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-SemanticLbe.epf [2020-04-17 22:43:51,741 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-17 22:43:51,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-17 22:43:51,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-17 22:43:51,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-17 22:43:51,743 INFO L138 SettingsManager]: * Use SBE=true [2020-04-17 22:43:51,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-17 22:43:51,743 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-17 22:43:51,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-17 22:43:51,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-17 22:43:51,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-17 22:43:51,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-17 22:43:51,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-17 22:43:51,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-17 22:43:51,745 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-17 22:43:51,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-17 22:43:51,745 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-17 22:43:51,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-17 22:43:51,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-17 22:43:51,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-17 22:43:51,746 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-17 22:43:51,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-17 22:43:51,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-17 22:43:51,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-17 22:43:51,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-17 22:43:51,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-17 22:43:51,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-17 22:43:51,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-17 22:43:51,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-17 22:43:51,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-17 22:43:52,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-17 22:43:52,133 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-17 22:43:52,137 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-17 22:43:52,138 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-17 22:43:52,139 INFO L275 PluginConnector]: CDTParser initialized [2020-04-17 22:43:52,139 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2020-04-17 22:43:52,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56cb17c65/bdae8bf512404e50af5a0b1dfdb54101/FLAG83887d5fe [2020-04-17 22:43:52,860 INFO L306 CDTParser]: Found 1 translation units. [2020-04-17 22:43:52,861 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2020-04-17 22:43:52,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56cb17c65/bdae8bf512404e50af5a0b1dfdb54101/FLAG83887d5fe [2020-04-17 22:43:53,060 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56cb17c65/bdae8bf512404e50af5a0b1dfdb54101 [2020-04-17 22:43:53,068 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-17 22:43:53,091 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-17 22:43:53,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-17 22:43:53,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-17 22:43:53,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-17 22:43:53,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 10:43:53" (1/1) ... [2020-04-17 22:43:53,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1047076f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:43:53, skipping insertion in model container [2020-04-17 22:43:53,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 10:43:53" (1/1) ... [2020-04-17 22:43:53,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-17 22:43:53,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-17 22:43:54,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 22:43:54,029 INFO L203 MainTranslator]: Completed pre-run [2020-04-17 22:43:54,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 22:43:54,613 INFO L208 MainTranslator]: Completed translation [2020-04-17 22:43:54,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:43:54 WrapperNode [2020-04-17 22:43:54,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-17 22:43:54,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-17 22:43:54,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-17 22:43:54,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-17 22:43:54,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:43:54" (1/1) ... [2020-04-17 22:43:54,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:43:54" (1/1) ... [2020-04-17 22:43:54,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-17 22:43:54,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-17 22:43:54,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-17 22:43:54,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-17 22:43:54,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:43:54" (1/1) ... [2020-04-17 22:43:54,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:43:54" (1/1) ... [2020-04-17 22:43:54,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:43:54" (1/1) ... [2020-04-17 22:43:54,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:43:54" (1/1) ... [2020-04-17 22:43:54,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:43:54" (1/1) ... [2020-04-17 22:43:54,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:43:54" (1/1) ... [2020-04-17 22:43:54,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:43:54" (1/1) ... [2020-04-17 22:43:54,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-17 22:43:54,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-17 22:43:54,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-17 22:43:54,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-17 22:43:54,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:43:54" (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 [2020-04-17 22:43:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2020-04-17 22:43:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2020-04-17 22:43:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-17 22:43:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-17 22:43:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2020-04-17 22:43:54,988 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2020-04-17 22:43:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-17 22:43:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-04-17 22:43:54,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-17 22:43:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-17 22:43:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-17 22:43:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-17 22:43:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-17 22:43:54,995 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-17 22:43:56,097 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-17 22:43:56,097 INFO L295 CfgBuilder]: Removed 32 assume(true) statements. [2020-04-17 22:43:56,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 10:43:56 BoogieIcfgContainer [2020-04-17 22:43:56,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-17 22:43:56,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-17 22:43:56,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-17 22:43:56,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-17 22:43:56,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.04 10:43:53" (1/3) ... [2020-04-17 22:43:56,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57dea94b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 10:43:56, skipping insertion in model container [2020-04-17 22:43:56,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:43:54" (2/3) ... [2020-04-17 22:43:56,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57dea94b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 10:43:56, skipping insertion in model container [2020-04-17 22:43:56,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 10:43:56" (3/3) ... [2020-04-17 22:43:56,114 INFO L109 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2020-04-17 22:43:56,125 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-17 22:43:56,125 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-17 22:43:56,135 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-04-17 22:43:56,136 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-17 22:43:56,171 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,172 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,172 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,172 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,172 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,173 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,173 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,173 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,173 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,174 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,174 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,174 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,174 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,175 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,175 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,175 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,175 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,176 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,176 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,176 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,176 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,177 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,177 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,177 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,177 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,178 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,178 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,180 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,180 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,180 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,181 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,181 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,181 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,182 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,182 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,182 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,182 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,183 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,183 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,183 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,183 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,184 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,184 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,184 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,185 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,185 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,185 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,185 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,186 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,186 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,186 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,186 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,187 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,187 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,187 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,188 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,188 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,188 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,188 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,188 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,189 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,189 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,189 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,189 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,189 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,190 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,190 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,190 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,191 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,191 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,191 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,191 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,192 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,193 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,193 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,193 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,193 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,194 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,194 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,194 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,194 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,195 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,195 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,195 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,196 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,196 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,196 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,196 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,197 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,197 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,197 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,197 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,198 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,198 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,198 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,198 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,199 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,199 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,199 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,199 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,200 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,200 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,200 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,200 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,201 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,201 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,201 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,201 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,202 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,202 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,202 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,202 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,203 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,203 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,207 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,208 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,208 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,208 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,208 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,208 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,209 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,209 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,209 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,216 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,216 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,216 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,216 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,217 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,217 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,217 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,217 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,218 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,218 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,218 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,218 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,219 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,219 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,219 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,219 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,219 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,220 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,220 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,220 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,220 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,223 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,224 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,224 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,224 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,225 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,225 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,225 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,225 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,226 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:43:56,268 INFO L251 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-04-17 22:43:56,287 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-17 22:43:56,288 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-17 22:43:56,288 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-17 22:43:56,288 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-17 22:43:56,288 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-17 22:43:56,288 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-17 22:43:56,289 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-17 22:43:56,289 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-17 22:43:56,341 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 269 transitions, 580 flow [2020-04-17 22:43:56,344 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 237 places, 269 transitions, 580 flow [2020-04-17 22:43:56,512 INFO L129 PetriNetUnfolder]: 65/479 cut-off events. [2020-04-17 22:43:56,512 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-04-17 22:43:56,528 INFO L80 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 479 events. 65/479 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1213 event pairs, 0 based on Foata normal form. 0/392 useless extension candidates. Maximal degree in co-relation 499. Up to 24 conditions per place. [2020-04-17 22:43:56,549 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 237 places, 269 transitions, 580 flow [2020-04-17 22:43:56,625 INFO L129 PetriNetUnfolder]: 65/479 cut-off events. [2020-04-17 22:43:56,626 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-04-17 22:43:56,632 INFO L80 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 479 events. 65/479 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1213 event pairs, 0 based on Foata normal form. 0/392 useless extension candidates. Maximal degree in co-relation 499. Up to 24 conditions per place. [2020-04-17 22:43:56,648 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 9678 [2020-04-17 22:43:56,650 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-17 22:44:05,415 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-04-17 22:44:06,968 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2020-04-17 22:44:07,125 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-04-17 22:44:08,046 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-04-17 22:44:08,213 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-04-17 22:44:08,400 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-04-17 22:44:08,567 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-04-17 22:44:08,597 INFO L206 etLargeBlockEncoding]: Checked pairs total: 12644 [2020-04-17 22:44:08,597 INFO L214 etLargeBlockEncoding]: Total number of compositions: 318 [2020-04-17 22:44:08,601 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55 places, 66 transitions, 174 flow [2020-04-17 22:44:08,666 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 750 states. [2020-04-17 22:44:08,669 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states. [2020-04-17 22:44:08,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-04-17 22:44:08,677 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:44:08,677 INFO L425 BasicCegarLoop]: trace histogram [1] [2020-04-17 22:44:08,678 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:44:08,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:44:08,686 INFO L82 PathProgramCache]: Analyzing trace with hash 960, now seen corresponding path program 1 times [2020-04-17 22:44:08,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:44:08,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978994035] [2020-04-17 22:44:08,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:44:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:44:09,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:44:09,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978994035] [2020-04-17 22:44:09,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:44:09,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-04-17 22:44:09,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673756326] [2020-04-17 22:44:09,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-17 22:44:09,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:44:09,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-17 22:44:09,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 22:44:09,038 INFO L87 Difference]: Start difference. First operand 750 states. Second operand 2 states. [2020-04-17 22:44:09,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:44:09,087 INFO L93 Difference]: Finished difference Result 748 states and 2130 transitions. [2020-04-17 22:44:09,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-17 22:44:09,088 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-04-17 22:44:09,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:44:09,118 INFO L225 Difference]: With dead ends: 748 [2020-04-17 22:44:09,118 INFO L226 Difference]: Without dead ends: 725 [2020-04-17 22:44:09,120 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 [2020-04-17 22:44:09,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2020-04-17 22:44:09,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 725. [2020-04-17 22:44:09,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 725 states. [2020-04-17 22:44:09,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 2084 transitions. [2020-04-17 22:44:09,252 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 2084 transitions. Word has length 1 [2020-04-17 22:44:09,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:44:09,253 INFO L479 AbstractCegarLoop]: Abstraction has 725 states and 2084 transitions. [2020-04-17 22:44:09,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-17 22:44:09,253 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 2084 transitions. [2020-04-17 22:44:09,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-17 22:44:09,254 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:44:09,254 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-17 22:44:09,254 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:44:09,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:44:09,255 INFO L82 PathProgramCache]: Analyzing trace with hash -2048015295, now seen corresponding path program 1 times [2020-04-17 22:44:09,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:44:09,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152814321] [2020-04-17 22:44:09,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:44:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:44:09,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:44:09,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152814321] [2020-04-17 22:44:09,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:44:09,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 22:44:09,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519155642] [2020-04-17 22:44:09,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-17 22:44:09,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:44:09,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-17 22:44:09,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-17 22:44:09,443 INFO L87 Difference]: Start difference. First operand 725 states and 2084 transitions. Second operand 4 states. [2020-04-17 22:44:09,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:44:09,608 INFO L93 Difference]: Finished difference Result 1469 states and 4291 transitions. [2020-04-17 22:44:09,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-17 22:44:09,608 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-04-17 22:44:09,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:44:09,624 INFO L225 Difference]: With dead ends: 1469 [2020-04-17 22:44:09,625 INFO L226 Difference]: Without dead ends: 1453 [2020-04-17 22:44:09,626 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-17 22:44:09,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2020-04-17 22:44:09,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 807. [2020-04-17 22:44:09,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2020-04-17 22:44:09,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 2306 transitions. [2020-04-17 22:44:09,677 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 2306 transitions. Word has length 6 [2020-04-17 22:44:09,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:44:09,679 INFO L479 AbstractCegarLoop]: Abstraction has 807 states and 2306 transitions. [2020-04-17 22:44:09,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-17 22:44:09,679 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 2306 transitions. [2020-04-17 22:44:09,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-17 22:44:09,680 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:44:09,680 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:44:09,681 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:44:09,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:44:09,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1014198837, now seen corresponding path program 1 times [2020-04-17 22:44:09,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:44:09,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269400594] [2020-04-17 22:44:09,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:44:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:44:09,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:44:09,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269400594] [2020-04-17 22:44:09,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:44:09,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 22:44:09,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405122981] [2020-04-17 22:44:09,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 22:44:09,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:44:09,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 22:44:09,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:44:09,764 INFO L87 Difference]: Start difference. First operand 807 states and 2306 transitions. Second operand 3 states. [2020-04-17 22:44:09,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:44:09,833 INFO L93 Difference]: Finished difference Result 813 states and 2224 transitions. [2020-04-17 22:44:09,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 22:44:09,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-04-17 22:44:09,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:44:09,840 INFO L225 Difference]: With dead ends: 813 [2020-04-17 22:44:09,840 INFO L226 Difference]: Without dead ends: 783 [2020-04-17 22:44:09,842 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:44:09,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-04-17 22:44:09,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 783. [2020-04-17 22:44:09,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2020-04-17 22:44:09,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 2130 transitions. [2020-04-17 22:44:09,874 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 2130 transitions. Word has length 8 [2020-04-17 22:44:09,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:44:09,874 INFO L479 AbstractCegarLoop]: Abstraction has 783 states and 2130 transitions. [2020-04-17 22:44:09,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 22:44:09,875 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 2130 transitions. [2020-04-17 22:44:09,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-17 22:44:09,878 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:44:09,878 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:44:09,879 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:44:09,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:44:09,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1364531287, now seen corresponding path program 1 times [2020-04-17 22:44:09,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:44:09,880 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995231648] [2020-04-17 22:44:09,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:44:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:44:09,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:44:09,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995231648] [2020-04-17 22:44:09,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:44:09,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 22:44:09,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773217640] [2020-04-17 22:44:09,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 22:44:09,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:44:09,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 22:44:09,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:44:09,974 INFO L87 Difference]: Start difference. First operand 783 states and 2130 transitions. Second operand 3 states. [2020-04-17 22:44:10,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:44:10,018 INFO L93 Difference]: Finished difference Result 361 states and 877 transitions. [2020-04-17 22:44:10,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 22:44:10,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-04-17 22:44:10,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:44:10,021 INFO L225 Difference]: With dead ends: 361 [2020-04-17 22:44:10,022 INFO L226 Difference]: Without dead ends: 346 [2020-04-17 22:44:10,022 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:44:10,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-04-17 22:44:10,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2020-04-17 22:44:10,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-04-17 22:44:10,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 832 transitions. [2020-04-17 22:44:10,035 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 832 transitions. Word has length 9 [2020-04-17 22:44:10,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:44:10,036 INFO L479 AbstractCegarLoop]: Abstraction has 346 states and 832 transitions. [2020-04-17 22:44:10,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 22:44:10,036 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 832 transitions. [2020-04-17 22:44:10,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-04-17 22:44:10,042 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:44:10,043 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:44:10,043 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:44:10,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:44:10,044 INFO L82 PathProgramCache]: Analyzing trace with hash 637049370, now seen corresponding path program 1 times [2020-04-17 22:44:10,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:44:10,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951109820] [2020-04-17 22:44:10,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:44:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:44:10,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:44:10,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951109820] [2020-04-17 22:44:10,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:44:10,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 22:44:10,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049282992] [2020-04-17 22:44:10,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 22:44:10,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:44:10,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 22:44:10,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:44:10,127 INFO L87 Difference]: Start difference. First operand 346 states and 832 transitions. Second operand 3 states. [2020-04-17 22:44:10,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:44:10,154 INFO L93 Difference]: Finished difference Result 188 states and 446 transitions. [2020-04-17 22:44:10,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 22:44:10,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-04-17 22:44:10,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:44:10,156 INFO L225 Difference]: With dead ends: 188 [2020-04-17 22:44:10,156 INFO L226 Difference]: Without dead ends: 178 [2020-04-17 22:44:10,157 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:44:10,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-04-17 22:44:10,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 157. [2020-04-17 22:44:10,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-04-17 22:44:10,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 380 transitions. [2020-04-17 22:44:10,167 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 380 transitions. Word has length 10 [2020-04-17 22:44:10,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:44:10,168 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 380 transitions. [2020-04-17 22:44:10,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 22:44:10,168 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 380 transitions. [2020-04-17 22:44:10,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-17 22:44:10,169 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:44:10,170 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:44:10,170 INFO L427 AbstractCegarLoop]: === Iteration 6 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:44:10,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:44:10,170 INFO L82 PathProgramCache]: Analyzing trace with hash -545503077, now seen corresponding path program 1 times [2020-04-17 22:44:10,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:44:10,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979889177] [2020-04-17 22:44:10,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:44:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:44:10,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:44:10,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979889177] [2020-04-17 22:44:10,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:44:10,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 22:44:10,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891392108] [2020-04-17 22:44:10,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 22:44:10,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:44:10,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 22:44:10,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:44:10,237 INFO L87 Difference]: Start difference. First operand 157 states and 380 transitions. Second operand 3 states. [2020-04-17 22:44:10,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:44:10,267 INFO L93 Difference]: Finished difference Result 151 states and 369 transitions. [2020-04-17 22:44:10,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 22:44:10,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-04-17 22:44:10,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:44:10,269 INFO L225 Difference]: With dead ends: 151 [2020-04-17 22:44:10,270 INFO L226 Difference]: Without dead ends: 117 [2020-04-17 22:44:10,270 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:44:10,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-04-17 22:44:10,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-04-17 22:44:10,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-04-17 22:44:10,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 299 transitions. [2020-04-17 22:44:10,274 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 299 transitions. Word has length 13 [2020-04-17 22:44:10,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:44:10,275 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 299 transitions. [2020-04-17 22:44:10,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 22:44:10,275 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 299 transitions. [2020-04-17 22:44:10,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-04-17 22:44:10,276 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:44:10,276 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:44:10,277 INFO L427 AbstractCegarLoop]: === Iteration 7 === [thread_usbThread1of1ForFork1Err1INUSE_VIOLATION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:44:10,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:44:10,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1905754679, now seen corresponding path program 1 times [2020-04-17 22:44:10,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:44:10,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238425357] [2020-04-17 22:44:10,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:44:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:44:10,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-04-17 22:44:10,359 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238425357] [2020-04-17 22:44:10,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:44:10,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 22:44:10,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503149121] [2020-04-17 22:44:10,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 22:44:10,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:44:10,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 22:44:10,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:44:10,361 INFO L87 Difference]: Start difference. First operand 117 states and 299 transitions. Second operand 3 states. [2020-04-17 22:44:10,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:44:10,384 INFO L93 Difference]: Finished difference Result 212 states and 565 transitions. [2020-04-17 22:44:10,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 22:44:10,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-04-17 22:44:10,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:44:10,389 INFO L225 Difference]: With dead ends: 212 [2020-04-17 22:44:10,389 INFO L226 Difference]: Without dead ends: 0 [2020-04-17 22:44:10,389 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:44:10,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-17 22:44:10,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-17 22:44:10,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-17 22:44:10,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-17 22:44:10,391 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-04-17 22:44:10,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:44:10,391 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-17 22:44:10,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 22:44:10,392 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-17 22:44:10,392 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-17 22:44:10,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.04 10:44:10 BasicIcfg [2020-04-17 22:44:10,397 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-17 22:44:10,404 INFO L168 Benchmark]: Toolchain (without parser) took 17328.98 ms. Allocated memory was 144.7 MB in the beginning and 338.2 MB in the end (delta: 193.5 MB). Free memory was 98.9 MB in the beginning and 110.1 MB in the end (delta: -11.2 MB). Peak memory consumption was 182.3 MB. Max. memory is 7.1 GB. [2020-04-17 22:44:10,405 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-04-17 22:44:10,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1523.07 ms. Allocated memory was 144.7 MB in the beginning and 235.4 MB in the end (delta: 90.7 MB). Free memory was 97.0 MB in the beginning and 163.5 MB in the end (delta: -66.4 MB). Peak memory consumption was 73.8 MB. Max. memory is 7.1 GB. [2020-04-17 22:44:10,408 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.15 ms. Allocated memory is still 235.4 MB. Free memory was 163.5 MB in the beginning and 160.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-04-17 22:44:10,409 INFO L168 Benchmark]: Boogie Preprocessor took 99.14 ms. Allocated memory is still 235.4 MB. Free memory was 160.5 MB in the beginning and 157.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-04-17 22:44:10,412 INFO L168 Benchmark]: RCFGBuilder took 1209.16 ms. Allocated memory is still 235.4 MB. Free memory was 157.6 MB in the beginning and 106.2 MB in the end (delta: 51.3 MB). Peak memory consumption was 51.3 MB. Max. memory is 7.1 GB. [2020-04-17 22:44:10,413 INFO L168 Benchmark]: TraceAbstraction took 14291.43 ms. Allocated memory was 235.4 MB in the beginning and 338.2 MB in the end (delta: 102.8 MB). Free memory was 106.2 MB in the beginning and 110.1 MB in the end (delta: -3.8 MB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. [2020-04-17 22:44:10,425 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1523.07 ms. Allocated memory was 144.7 MB in the beginning and 235.4 MB in the end (delta: 90.7 MB). Free memory was 97.0 MB in the beginning and 163.5 MB in the end (delta: -66.4 MB). Peak memory consumption was 73.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 178.15 ms. Allocated memory is still 235.4 MB. Free memory was 163.5 MB in the beginning and 160.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.14 ms. Allocated memory is still 235.4 MB. Free memory was 160.5 MB in the beginning and 157.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1209.16 ms. Allocated memory is still 235.4 MB. Free memory was 157.6 MB in the beginning and 106.2 MB in the end (delta: 51.3 MB). Peak memory consumption was 51.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14291.43 ms. Allocated memory was 235.4 MB in the beginning and 338.2 MB in the end (delta: 102.8 MB). Free memory was 106.2 MB in the beginning and 110.1 MB in the end (delta: -3.8 MB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 12.2s, 237 ProgramPointsBefore, 55 ProgramPointsAfterwards, 269 TransitionsBefore, 66 TransitionsAfterwards, 9678 CoEnabledTransitionPairs, 8 FixpointIterations, 139 TrivialSequentialCompositions, 123 ConcurrentSequentialCompositions, 18 TrivialYvCompositions, 38 ConcurrentYvCompositions, 21 ChoiceCompositions, 5725 VarBasedMoverChecksPositive, 85 VarBasedMoverChecksNegative, 55 SemBasedMoverChecksPositive, 51 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 0 MoverChecksTotal, 12644 CheckedPairsTotal, 318 TotalNumberOfCompositions - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 161 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.1s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 12.3s, HoareTripleCheckerStatistics: 373 SDtfs, 153 SDslu, 215 SDs, 0 SdLazy, 90 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=807occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 667 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 751 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...