/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf -i ../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 08:19:20,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 08:19:20,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 08:19:20,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 08:19:20,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 08:19:20,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 08:19:20,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 08:19:20,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 08:19:20,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 08:19:20,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 08:19:20,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 08:19:20,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 08:19:20,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 08:19:20,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 08:19:20,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 08:19:20,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 08:19:20,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 08:19:20,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 08:19:20,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 08:19:20,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 08:19:20,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 08:19:20,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 08:19:20,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 08:19:20,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 08:19:20,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 08:19:20,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 08:19:20,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 08:19:20,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 08:19:20,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 08:19:20,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 08:19:20,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 08:19:20,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 08:19:20,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 08:19:20,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 08:19:20,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 08:19:20,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 08:19:20,187 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf [2019-12-27 08:19:20,201 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 08:19:20,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 08:19:20,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 08:19:20,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 08:19:20,203 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 08:19:20,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 08:19:20,203 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 08:19:20,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 08:19:20,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 08:19:20,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 08:19:20,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 08:19:20,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 08:19:20,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 08:19:20,205 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 08:19:20,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 08:19:20,205 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 08:19:20,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 08:19:20,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 08:19:20,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 08:19:20,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 08:19:20,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 08:19:20,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 08:19:20,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 08:19:20,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 08:19:20,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 08:19:20,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 08:19:20,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 08:19:20,207 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 08:19:20,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 08:19:20,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 08:19:20,498 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 08:19:20,514 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 08:19:20,517 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 08:19:20,519 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 08:19:20,519 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 08:19:20,520 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2019-12-27 08:19:20,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09b0742fc/845f4bc394f84da481e7259fd9536b7c/FLAG3d52a1eeb [2019-12-27 08:19:21,209 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 08:19:21,210 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_1-thread_local_vars.i [2019-12-27 08:19:21,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09b0742fc/845f4bc394f84da481e7259fd9536b7c/FLAG3d52a1eeb [2019-12-27 08:19:21,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09b0742fc/845f4bc394f84da481e7259fd9536b7c [2019-12-27 08:19:21,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 08:19:21,433 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 08:19:21,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 08:19:21,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 08:19:21,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 08:19:21,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:19:21" (1/1) ... [2019-12-27 08:19:21,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eef8c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:19:21, skipping insertion in model container [2019-12-27 08:19:21,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:19:21" (1/1) ... [2019-12-27 08:19:21,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 08:19:21,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 08:19:22,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 08:19:22,340 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 08:19:22,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 08:19:22,815 INFO L208 MainTranslator]: Completed translation [2019-12-27 08:19:22,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:19:22 WrapperNode [2019-12-27 08:19:22,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 08:19:22,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 08:19:22,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 08:19:22,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 08:19:22,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:19:22" (1/1) ... [2019-12-27 08:19:22,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:19:22" (1/1) ... [2019-12-27 08:19:22,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 08:19:22,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 08:19:22,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 08:19:22,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 08:19:22,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:19:22" (1/1) ... [2019-12-27 08:19:22,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:19:22" (1/1) ... [2019-12-27 08:19:22,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:19:22" (1/1) ... [2019-12-27 08:19:22,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:19:22" (1/1) ... [2019-12-27 08:19:22,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:19:22" (1/1) ... [2019-12-27 08:19:22,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:19:22" (1/1) ... [2019-12-27 08:19:22,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:19:22" (1/1) ... [2019-12-27 08:19:22,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 08:19:22,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 08:19:22,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 08:19:22,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 08:19:22,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:19:22" (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 [2019-12-27 08:19:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2019-12-27 08:19:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2019-12-27 08:19:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 08:19:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 08:19:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2019-12-27 08:19:23,031 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2019-12-27 08:19:23,031 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-27 08:19:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-27 08:19:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 08:19:23,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 08:19:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 08:19:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 08:19:23,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-27 08:19:23,034 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 08:19:23,889 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 08:19:23,889 INFO L287 CfgBuilder]: Removed 32 assume(true) statements. [2019-12-27 08:19:23,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:19:23 BoogieIcfgContainer [2019-12-27 08:19:23,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 08:19:23,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 08:19:23,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 08:19:23,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 08:19:23,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 08:19:21" (1/3) ... [2019-12-27 08:19:23,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3234cf82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:19:23, skipping insertion in model container [2019-12-27 08:19:23,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:19:22" (2/3) ... [2019-12-27 08:19:23,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3234cf82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:19:23, skipping insertion in model container [2019-12-27 08:19:23,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:19:23" (3/3) ... [2019-12-27 08:19:23,909 INFO L109 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2019-12-27 08:19:23,923 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 08:19:23,923 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 08:19:23,931 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-12-27 08:19:23,932 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 08:19:23,979 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,979 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,980 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,980 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,980 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,980 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,981 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,981 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,981 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,981 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,982 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,982 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,982 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,982 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,983 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,983 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,983 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,983 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,984 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,984 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,984 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,984 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,985 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,985 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,985 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,985 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,986 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,988 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,988 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,989 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,989 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,989 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,990 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,990 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,990 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,990 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,991 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,991 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,991 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,991 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,992 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,992 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,992 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,992 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,993 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,993 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,993 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,993 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,994 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,994 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,994 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,994 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,995 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,995 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,995 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,995 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,996 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,996 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,996 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,996 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,997 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,997 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,997 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,997 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,997 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,998 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,998 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,998 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,999 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,999 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,999 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:23,999 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,000 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,001 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,001 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,001 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,001 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,001 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,002 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,002 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,002 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,003 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,003 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,003 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,003 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,004 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,004 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,004 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,005 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,005 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,005 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,005 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,006 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,006 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,006 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,006 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,007 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,007 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,007 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,007 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,007 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,008 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,008 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,008 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,008 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,009 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,009 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,009 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,009 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,010 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,010 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,010 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,011 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,011 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,015 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,015 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,015 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,016 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,016 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,016 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,016 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,016 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,017 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,023 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,023 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,023 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,024 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,024 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,024 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,024 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,024 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,025 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,025 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,025 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,025 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,026 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,026 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,026 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,026 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,027 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,027 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,027 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,027 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,028 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,031 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,031 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,031 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,032 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,032 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,032 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,032 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,033 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,033 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:19:24,072 INFO L249 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2019-12-27 08:19:24,089 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:19:24,089 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:19:24,090 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:19:24,090 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:19:24,090 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:19:24,090 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:19:24,090 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:19:24,090 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:19:24,109 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 269 transitions [2019-12-27 08:19:24,111 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 237 places, 269 transitions [2019-12-27 08:19:24,318 INFO L132 PetriNetUnfolder]: 65/479 cut-off events. [2019-12-27 08:19:24,319 INFO L133 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2019-12-27 08:19:24,338 INFO L76 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. 0/392 useless extension candidates. Maximal degree in co-relation 499. Up to 24 conditions per place. [2019-12-27 08:19:24,367 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 237 places, 269 transitions [2019-12-27 08:19:24,450 INFO L132 PetriNetUnfolder]: 65/479 cut-off events. [2019-12-27 08:19:24,450 INFO L133 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2019-12-27 08:19:24,458 INFO L76 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. 0/392 useless extension candidates. Maximal degree in co-relation 499. Up to 24 conditions per place. [2019-12-27 08:19:24,483 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 9678 [2019-12-27 08:19:24,485 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 08:19:32,719 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2019-12-27 08:19:32,866 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 26 [2019-12-27 08:19:34,088 WARN L192 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-12-27 08:19:34,202 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-12-27 08:19:34,885 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-12-27 08:19:35,095 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-12-27 08:19:35,244 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-12-27 08:19:35,383 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-12-27 08:19:35,733 WARN L192 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-12-27 08:19:35,903 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-12-27 08:19:35,916 INFO L206 etLargeBlockEncoding]: Checked pairs total: 13494 [2019-12-27 08:19:35,917 INFO L214 etLargeBlockEncoding]: Total number of compositions: 305 [2019-12-27 08:19:35,920 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55 places, 69 transitions [2019-12-27 08:19:35,974 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 905 states. [2019-12-27 08:19:35,976 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states. [2019-12-27 08:19:35,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2019-12-27 08:19:35,981 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:19:35,982 INFO L411 BasicCegarLoop]: trace histogram [1] [2019-12-27 08:19:35,982 INFO L410 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]=== [2019-12-27 08:19:35,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:19:35,987 INFO L82 PathProgramCache]: Analyzing trace with hash 946, now seen corresponding path program 1 times [2019-12-27 08:19:35,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:19:35,995 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912055367] [2019-12-27 08:19:35,995 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:19:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:19:36,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:19:36,276 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912055367] [2019-12-27 08:19:36,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:19:36,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2019-12-27 08:19:36,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529268205] [2019-12-27 08:19:36,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-27 08:19:36,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:19:36,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-27 08:19:36,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-27 08:19:36,303 INFO L87 Difference]: Start difference. First operand 905 states. Second operand 2 states. [2019-12-27 08:19:36,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:19:36,380 INFO L93 Difference]: Finished difference Result 903 states and 2716 transitions. [2019-12-27 08:19:36,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-27 08:19:36,382 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2019-12-27 08:19:36,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:19:36,412 INFO L225 Difference]: With dead ends: 903 [2019-12-27 08:19:36,413 INFO L226 Difference]: Without dead ends: 868 [2019-12-27 08:19:36,414 INFO L631 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 [2019-12-27 08:19:36,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2019-12-27 08:19:36,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 868. [2019-12-27 08:19:36,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 868 states. [2019-12-27 08:19:36,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 2646 transitions. [2019-12-27 08:19:36,537 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 2646 transitions. Word has length 1 [2019-12-27 08:19:36,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:19:36,537 INFO L462 AbstractCegarLoop]: Abstraction has 868 states and 2646 transitions. [2019-12-27 08:19:36,537 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-27 08:19:36,537 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 2646 transitions. [2019-12-27 08:19:36,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 08:19:36,538 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:19:36,539 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-27 08:19:36,539 INFO L410 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]=== [2019-12-27 08:19:36,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:19:36,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1846165989, now seen corresponding path program 1 times [2019-12-27 08:19:36,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:19:36,540 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117420782] [2019-12-27 08:19:36,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:19:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:19:36,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:19:36,722 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117420782] [2019-12-27 08:19:36,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:19:36,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 08:19:36,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569499360] [2019-12-27 08:19:36,724 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 08:19:36,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:19:36,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 08:19:36,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 08:19:36,725 INFO L87 Difference]: Start difference. First operand 868 states and 2646 transitions. Second operand 4 states. [2019-12-27 08:19:36,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:19:36,907 INFO L93 Difference]: Finished difference Result 1768 states and 5427 transitions. [2019-12-27 08:19:36,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 08:19:36,908 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-12-27 08:19:36,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:19:36,923 INFO L225 Difference]: With dead ends: 1768 [2019-12-27 08:19:36,923 INFO L226 Difference]: Without dead ends: 1736 [2019-12-27 08:19:36,924 INFO L631 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 [2019-12-27 08:19:36,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1736 states. [2019-12-27 08:19:36,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1736 to 992. [2019-12-27 08:19:36,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 992 states. [2019-12-27 08:19:36,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 2983 transitions. [2019-12-27 08:19:36,972 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 2983 transitions. Word has length 6 [2019-12-27 08:19:36,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:19:36,973 INFO L462 AbstractCegarLoop]: Abstraction has 992 states and 2983 transitions. [2019-12-27 08:19:36,973 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 08:19:36,973 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 2983 transitions. [2019-12-27 08:19:36,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 08:19:36,974 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:19:36,974 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:19:36,975 INFO L410 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]=== [2019-12-27 08:19:36,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:19:36,975 INFO L82 PathProgramCache]: Analyzing trace with hash 359953061, now seen corresponding path program 1 times [2019-12-27 08:19:36,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:19:36,976 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203857244] [2019-12-27 08:19:36,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:19:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:19:37,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:19:37,042 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203857244] [2019-12-27 08:19:37,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:19:37,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 08:19:37,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971901901] [2019-12-27 08:19:37,043 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:19:37,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:19:37,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:19:37,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:19:37,044 INFO L87 Difference]: Start difference. First operand 992 states and 2983 transitions. Second operand 3 states. [2019-12-27 08:19:37,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:19:37,125 INFO L93 Difference]: Finished difference Result 1334 states and 4101 transitions. [2019-12-27 08:19:37,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:19:37,125 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-27 08:19:37,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:19:37,136 INFO L225 Difference]: With dead ends: 1334 [2019-12-27 08:19:37,137 INFO L226 Difference]: Without dead ends: 1286 [2019-12-27 08:19:37,137 INFO L631 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 [2019-12-27 08:19:37,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2019-12-27 08:19:37,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 966. [2019-12-27 08:19:37,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 966 states. [2019-12-27 08:19:37,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 2848 transitions. [2019-12-27 08:19:37,185 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 2848 transitions. Word has length 8 [2019-12-27 08:19:37,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:19:37,186 INFO L462 AbstractCegarLoop]: Abstraction has 966 states and 2848 transitions. [2019-12-27 08:19:37,186 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:19:37,186 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 2848 transitions. [2019-12-27 08:19:37,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-27 08:19:37,188 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:19:37,188 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:19:37,189 INFO L410 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]=== [2019-12-27 08:19:37,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:19:37,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1715520240, now seen corresponding path program 1 times [2019-12-27 08:19:37,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:19:37,190 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921679148] [2019-12-27 08:19:37,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:19:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:19:37,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:19:37,295 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921679148] [2019-12-27 08:19:37,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:19:37,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 08:19:37,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593677189] [2019-12-27 08:19:37,295 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:19:37,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:19:37,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:19:37,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:19:37,296 INFO L87 Difference]: Start difference. First operand 966 states and 2848 transitions. Second operand 3 states. [2019-12-27 08:19:37,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:19:37,330 INFO L93 Difference]: Finished difference Result 432 states and 1120 transitions. [2019-12-27 08:19:37,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:19:37,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-12-27 08:19:37,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:19:37,334 INFO L225 Difference]: With dead ends: 432 [2019-12-27 08:19:37,334 INFO L226 Difference]: Without dead ends: 416 [2019-12-27 08:19:37,334 INFO L631 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 [2019-12-27 08:19:37,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2019-12-27 08:19:37,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2019-12-27 08:19:37,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2019-12-27 08:19:37,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 1081 transitions. [2019-12-27 08:19:37,346 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 1081 transitions. Word has length 9 [2019-12-27 08:19:37,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:19:37,346 INFO L462 AbstractCegarLoop]: Abstraction has 416 states and 1081 transitions. [2019-12-27 08:19:37,346 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:19:37,347 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 1081 transitions. [2019-12-27 08:19:37,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 08:19:37,348 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:19:37,348 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:19:37,348 INFO L410 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]=== [2019-12-27 08:19:37,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:19:37,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1653568058, now seen corresponding path program 1 times [2019-12-27 08:19:37,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:19:37,349 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258925940] [2019-12-27 08:19:37,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:19:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:19:37,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:19:37,414 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258925940] [2019-12-27 08:19:37,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:19:37,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 08:19:37,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121973131] [2019-12-27 08:19:37,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:19:37,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:19:37,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:19:37,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:19:37,417 INFO L87 Difference]: Start difference. First operand 416 states and 1081 transitions. Second operand 3 states. [2019-12-27 08:19:37,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:19:37,438 INFO L93 Difference]: Finished difference Result 232 states and 605 transitions. [2019-12-27 08:19:37,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:19:37,439 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 08:19:37,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:19:37,441 INFO L225 Difference]: With dead ends: 232 [2019-12-27 08:19:37,441 INFO L226 Difference]: Without dead ends: 232 [2019-12-27 08:19:37,442 INFO L631 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 [2019-12-27 08:19:37,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2019-12-27 08:19:37,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 210. [2019-12-27 08:19:37,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-12-27 08:19:37,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 559 transitions. [2019-12-27 08:19:37,455 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 559 transitions. Word has length 10 [2019-12-27 08:19:37,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:19:37,455 INFO L462 AbstractCegarLoop]: Abstraction has 210 states and 559 transitions. [2019-12-27 08:19:37,455 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:19:37,455 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 559 transitions. [2019-12-27 08:19:37,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 08:19:37,457 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:19:37,458 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:19:37,459 INFO L410 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]=== [2019-12-27 08:19:37,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:19:37,459 INFO L82 PathProgramCache]: Analyzing trace with hash -722622523, now seen corresponding path program 1 times [2019-12-27 08:19:37,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:19:37,460 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988909895] [2019-12-27 08:19:37,460 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:19:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:19:37,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:19:37,521 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988909895] [2019-12-27 08:19:37,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:19:37,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 08:19:37,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237724985] [2019-12-27 08:19:37,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:19:37,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:19:37,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:19:37,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:19:37,524 INFO L87 Difference]: Start difference. First operand 210 states and 559 transitions. Second operand 3 states. [2019-12-27 08:19:37,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:19:37,548 INFO L93 Difference]: Finished difference Result 204 states and 548 transitions. [2019-12-27 08:19:37,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:19:37,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-27 08:19:37,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:19:37,550 INFO L225 Difference]: With dead ends: 204 [2019-12-27 08:19:37,550 INFO L226 Difference]: Without dead ends: 170 [2019-12-27 08:19:37,551 INFO L631 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 [2019-12-27 08:19:37,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2019-12-27 08:19:37,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2019-12-27 08:19:37,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2019-12-27 08:19:37,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 478 transitions. [2019-12-27 08:19:37,556 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 478 transitions. Word has length 13 [2019-12-27 08:19:37,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:19:37,557 INFO L462 AbstractCegarLoop]: Abstraction has 170 states and 478 transitions. [2019-12-27 08:19:37,557 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:19:37,557 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 478 transitions. [2019-12-27 08:19:37,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-27 08:19:37,560 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:19:37,560 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:19:37,561 INFO L410 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]=== [2019-12-27 08:19:37,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:19:37,561 INFO L82 PathProgramCache]: Analyzing trace with hash 89449976, now seen corresponding path program 1 times [2019-12-27 08:19:37,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:19:37,562 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532295589] [2019-12-27 08:19:37,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:19:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:19:37,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-27 08:19:37,633 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532295589] [2019-12-27 08:19:37,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:19:37,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 08:19:37,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132663616] [2019-12-27 08:19:37,635 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:19:37,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:19:37,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:19:37,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:19:37,636 INFO L87 Difference]: Start difference. First operand 170 states and 478 transitions. Second operand 3 states. [2019-12-27 08:19:37,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:19:37,652 INFO L93 Difference]: Finished difference Result 284 states and 825 transitions. [2019-12-27 08:19:37,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:19:37,652 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-12-27 08:19:37,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:19:37,653 INFO L225 Difference]: With dead ends: 284 [2019-12-27 08:19:37,653 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 08:19:37,653 INFO L631 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 [2019-12-27 08:19:37,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 08:19:37,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 08:19:37,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 08:19:37,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 08:19:37,654 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2019-12-27 08:19:37,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:19:37,655 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 08:19:37,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:19:37,655 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 08:19:37,655 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 08:19:37,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 08:19:37 BasicIcfg [2019-12-27 08:19:37,660 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 08:19:37,667 INFO L168 Benchmark]: Toolchain (without parser) took 16228.25 ms. Allocated memory was 138.4 MB in the beginning and 335.0 MB in the end (delta: 196.6 MB). Free memory was 99.9 MB in the beginning and 90.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 206.1 MB. Max. memory is 7.1 GB. [2019-12-27 08:19:37,669 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-27 08:19:37,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1381.63 ms. Allocated memory was 138.4 MB in the beginning and 237.0 MB in the end (delta: 98.6 MB). Free memory was 99.5 MB in the beginning and 166.4 MB in the end (delta: -66.9 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. [2019-12-27 08:19:37,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.31 ms. Allocated memory is still 237.0 MB. Free memory was 166.4 MB in the beginning and 163.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-12-27 08:19:37,671 INFO L168 Benchmark]: Boogie Preprocessor took 47.12 ms. Allocated memory is still 237.0 MB. Free memory was 163.4 MB in the beginning and 160.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-12-27 08:19:37,674 INFO L168 Benchmark]: RCFGBuilder took 934.89 ms. Allocated memory is still 237.0 MB. Free memory was 160.4 MB in the beginning and 108.9 MB in the end (delta: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 7.1 GB. [2019-12-27 08:19:37,675 INFO L168 Benchmark]: TraceAbstraction took 13764.46 ms. Allocated memory was 237.0 MB in the beginning and 335.0 MB in the end (delta: 98.0 MB). Free memory was 108.9 MB in the beginning and 90.4 MB in the end (delta: 18.4 MB). Peak memory consumption was 116.5 MB. Max. memory is 7.1 GB. [2019-12-27 08:19:37,684 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1381.63 ms. Allocated memory was 138.4 MB in the beginning and 237.0 MB in the end (delta: 98.6 MB). Free memory was 99.5 MB in the beginning and 166.4 MB in the end (delta: -66.9 MB). Peak memory consumption was 79.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 95.31 ms. Allocated memory is still 237.0 MB. Free memory was 166.4 MB in the beginning and 163.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.12 ms. Allocated memory is still 237.0 MB. Free memory was 163.4 MB in the beginning and 160.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 934.89 ms. Allocated memory is still 237.0 MB. Free memory was 160.4 MB in the beginning and 108.9 MB in the end (delta: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13764.46 ms. Allocated memory was 237.0 MB in the beginning and 335.0 MB in the end (delta: 98.0 MB). Free memory was 108.9 MB in the beginning and 90.4 MB in the end (delta: 18.4 MB). Peak memory consumption was 116.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 11.8s, 237 ProgramPointsBefore, 55 ProgramPointsAfterwards, 269 TransitionsBefore, 69 TransitionsAfterwards, 9678 CoEnabledTransitionPairs, 8 FixpointIterations, 136 TrivialSequentialCompositions, 116 ConcurrentSequentialCompositions, 19 TrivialYvCompositions, 34 ConcurrentYvCompositions, 20 ChoiceCompositions, 5550 VarBasedMoverChecksPositive, 47 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 13494 CheckedPairsTotal, 305 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. Result: SAFE, OverallTime: 13.5s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 415 SDtfs, 183 SDslu, 236 SDs, 0 SdLazy, 95 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=992occurred 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, 1086 StatesRemovedByMinimization, 3 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...