/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/ldv-races/race-4_2-thread_local_vars.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-17 22:43:57,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-17 22:43:57,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-17 22:43:57,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-17 22:43:57,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-17 22:43:57,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-17 22:43:57,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-17 22:43:57,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-17 22:43:57,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-17 22:43:57,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-17 22:43:57,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-17 22:43:57,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-17 22:43:57,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-17 22:43:57,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-17 22:43:57,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-17 22:43:57,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-17 22:43:57,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-17 22:43:57,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-17 22:43:57,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-17 22:43:57,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-17 22:43:57,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-17 22:43:57,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-17 22:43:57,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-17 22:43:57,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-17 22:43:57,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-17 22:43:57,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-17 22:43:57,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-17 22:43:57,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-17 22:43:57,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-17 22:43:57,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-17 22:43:57,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-17 22:43:57,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-17 22:43:57,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-17 22:43:57,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-17 22:43:57,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-17 22:43:57,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-17 22:43:57,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-17 22:43:57,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-17 22:43:57,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-17 22:43:57,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-17 22:43:57,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-17 22:43:57,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2020-04-17 22:43:57,219 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-17 22:43:57,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-17 22:43:57,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-17 22:43:57,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-17 22:43:57,222 INFO L138 SettingsManager]: * Use SBE=true [2020-04-17 22:43:57,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-17 22:43:57,222 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-17 22:43:57,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-17 22:43:57,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-17 22:43:57,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-17 22:43:57,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-17 22:43:57,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-17 22:43:57,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-17 22:43:57,225 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-17 22:43:57,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-17 22:43:57,225 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-17 22:43:57,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-17 22:43:57,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-17 22:43:57,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-17 22:43:57,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-17 22:43:57,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-17 22:43:57,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-17 22:43:57,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-17 22:43:57,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-17 22:43:57,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-17 22:43:57,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-17 22:43:57,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-17 22:43:57,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-17 22:43:57,228 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-17 22:43:57,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-17 22:43:57,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-17 22:43:57,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-17 22:43:57,534 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-17 22:43:57,535 INFO L275 PluginConnector]: CDTParser initialized [2020-04-17 22:43:57,536 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-4_2-thread_local_vars.i [2020-04-17 22:43:57,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/862af41ee/f0a18d71c05d4c6a98d19ec5e7f3be87/FLAG457c1f20a [2020-04-17 22:43:58,316 INFO L306 CDTParser]: Found 1 translation units. [2020-04-17 22:43:58,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-4_2-thread_local_vars.i [2020-04-17 22:43:58,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/862af41ee/f0a18d71c05d4c6a98d19ec5e7f3be87/FLAG457c1f20a [2020-04-17 22:43:58,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/862af41ee/f0a18d71c05d4c6a98d19ec5e7f3be87 [2020-04-17 22:43:58,540 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-17 22:43:58,558 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-17 22:43:58,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-17 22:43:58,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-17 22:43:58,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-17 22:43:58,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 10:43:58" (1/1) ... [2020-04-17 22:43:58,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ed5182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:43:58, skipping insertion in model container [2020-04-17 22:43:58,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.04 10:43:58" (1/1) ... [2020-04-17 22:43:58,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-17 22:43:58,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-17 22:43:59,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 22:43:59,528 INFO L203 MainTranslator]: Completed pre-run [2020-04-17 22:43:59,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-17 22:44:00,227 INFO L208 MainTranslator]: Completed translation [2020-04-17 22:44:00,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:44:00 WrapperNode [2020-04-17 22:44:00,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-17 22:44:00,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-17 22:44:00,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-17 22:44:00,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-17 22:44:00,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:44:00" (1/1) ... [2020-04-17 22:44:00,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:44:00" (1/1) ... [2020-04-17 22:44:00,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-17 22:44:00,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-17 22:44:00,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-17 22:44:00,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-17 22:44:00,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:44:00" (1/1) ... [2020-04-17 22:44:00,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:44:00" (1/1) ... [2020-04-17 22:44:00,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:44:00" (1/1) ... [2020-04-17 22:44:00,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:44:00" (1/1) ... [2020-04-17 22:44:00,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:44:00" (1/1) ... [2020-04-17 22:44:00,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:44:00" (1/1) ... [2020-04-17 22:44:00,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:44:00" (1/1) ... [2020-04-17 22:44:00,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-17 22:44:00,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-17 22:44:00,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-17 22:44:00,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-17 22:44:00,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:44:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-17 22:44:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2020-04-17 22:44:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2020-04-17 22:44:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-17 22:44:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-04-17 22:44:00,579 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2020-04-17 22:44:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2020-04-17 22:44:00,579 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-04-17 22:44:00,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-04-17 22:44:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-17 22:44:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-17 22:44:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-17 22:44:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-17 22:44:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-04-17 22:44:00,583 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-17 22:44:01,718 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-17 22:44:01,719 INFO L295 CfgBuilder]: Removed 34 assume(true) statements. [2020-04-17 22:44:01,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 10:44:01 BoogieIcfgContainer [2020-04-17 22:44:01,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-17 22:44:01,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-17 22:44:01,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-17 22:44:01,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-17 22:44:01,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.04 10:43:58" (1/3) ... [2020-04-17 22:44:01,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32dda672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 10:44:01, skipping insertion in model container [2020-04-17 22:44:01,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.04 10:44:00" (2/3) ... [2020-04-17 22:44:01,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32dda672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.04 10:44:01, skipping insertion in model container [2020-04-17 22:44:01,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.04 10:44:01" (3/3) ... [2020-04-17 22:44:01,732 INFO L109 eAbstractionObserver]: Analyzing ICFG race-4_2-thread_local_vars.i [2020-04-17 22:44:01,744 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-17 22:44:01,744 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-17 22:44:01,753 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2020-04-17 22:44:01,754 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-17 22:44:01,797 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,797 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,797 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,798 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,798 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,799 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,799 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,800 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,800 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,800 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,800 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,801 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,801 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,801 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,801 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,802 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,802 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,802 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,802 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,803 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,803 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,803 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,803 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,804 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,804 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,805 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,806 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,811 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,812 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,814 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,814 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,815 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,816 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,817 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,817 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,817 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,818 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,818 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,819 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,819 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,819 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,820 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,820 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,821 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,821 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,821 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,821 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,822 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,822 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,822 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,822 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,823 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,823 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,823 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,823 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,824 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,824 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,824 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,825 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,825 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,825 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,825 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,826 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,826 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,826 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,826 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,827 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,829 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,829 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,830 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,830 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,830 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,831 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,832 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,833 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,833 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,833 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,834 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,834 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,834 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,834 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,835 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,836 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,836 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,836 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,836 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,837 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,838 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,838 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,838 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,839 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,839 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,839 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,839 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,839 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,840 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,840 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,840 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,841 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,841 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,841 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,841 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,842 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,846 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,846 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,846 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,847 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,855 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,855 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,855 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,856 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,858 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,859 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,859 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,859 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,860 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,860 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,860 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,860 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,860 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,868 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,868 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,868 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,868 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,869 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,869 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,869 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,869 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,870 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,879 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,880 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,880 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,880 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~mem35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,880 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,880 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,881 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,881 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_#t~nondet36.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,882 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,883 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~probe_ret~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,883 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,883 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,883 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_deregister_hw_~#status~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,884 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ath_ahb_probe_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,884 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,884 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,884 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_#t~switch39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,884 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,885 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ieee80211_register_hw_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,885 WARN L315 ript$VariableManager]: TermVariabe |thread_usbThread1of1ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,885 WARN L315 ript$VariableManager]: TermVariabe thread_usbThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,889 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ath9k_flush_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,889 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,889 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,890 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,890 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~switch32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,890 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,890 WARN L315 ript$VariableManager]: TermVariabe |thread_ath9kThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,890 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,891 WARN L315 ript$VariableManager]: TermVariabe thread_ath9kThread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-17 22:44:01,963 INFO L251 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2020-04-17 22:44:01,984 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-17 22:44:01,985 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-17 22:44:01,985 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-17 22:44:01,985 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-17 22:44:01,985 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-17 22:44:01,985 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-17 22:44:01,985 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-17 22:44:01,986 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-17 22:44:02,009 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 285 transitions, 612 flow [2020-04-17 22:44:02,012 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 251 places, 285 transitions, 612 flow [2020-04-17 22:44:02,168 INFO L129 PetriNetUnfolder]: 69/511 cut-off events. [2020-04-17 22:44:02,168 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-04-17 22:44:02,182 INFO L80 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 511 events. 69/511 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1228 event pairs, 0 based on Foata normal form. 0/416 useless extension candidates. Maximal degree in co-relation 531. Up to 28 conditions per place. [2020-04-17 22:44:02,207 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 251 places, 285 transitions, 612 flow [2020-04-17 22:44:02,284 INFO L129 PetriNetUnfolder]: 69/511 cut-off events. [2020-04-17 22:44:02,285 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-04-17 22:44:02,289 INFO L80 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 511 events. 69/511 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1228 event pairs, 0 based on Foata normal form. 0/416 useless extension candidates. Maximal degree in co-relation 531. Up to 28 conditions per place. [2020-04-17 22:44:02,308 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 10574 [2020-04-17 22:44:02,310 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-04-17 22:44:05,639 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2020-04-17 22:44:05,965 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 20 [2020-04-17 22:44:09,479 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-04-17 22:44:11,337 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2020-04-17 22:44:11,342 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2020-04-17 22:44:11,508 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2020-04-17 22:44:13,685 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2020-04-17 22:44:13,890 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-04-17 22:44:13,993 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-04-17 22:44:14,592 WARN L192 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-04-17 22:44:14,774 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-04-17 22:44:15,159 WARN L192 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-04-17 22:44:15,345 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-04-17 22:44:15,364 INFO L206 etLargeBlockEncoding]: Checked pairs total: 13875 [2020-04-17 22:44:15,364 INFO L214 etLargeBlockEncoding]: Total number of compositions: 338 [2020-04-17 22:44:15,369 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 68 transitions, 178 flow [2020-04-17 22:44:15,422 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 870 states. [2020-04-17 22:44:15,425 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states. [2020-04-17 22:44:15,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-04-17 22:44:15,432 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:44:15,432 INFO L425 BasicCegarLoop]: trace histogram [1] [2020-04-17 22:44:15,433 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:44:15,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:44:15,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1010, now seen corresponding path program 1 times [2020-04-17 22:44:15,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:44:15,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405170141] [2020-04-17 22:44:15,451 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:44:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:44:15,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:44:15,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405170141] [2020-04-17 22:44:15,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:44:15,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-04-17 22:44:15,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608454509] [2020-04-17 22:44:15,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-04-17 22:44:15,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:44:15,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-04-17 22:44:15,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 22:44:15,801 INFO L87 Difference]: Start difference. First operand 870 states. Second operand 2 states. [2020-04-17 22:44:15,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:44:15,861 INFO L93 Difference]: Finished difference Result 868 states and 2462 transitions. [2020-04-17 22:44:15,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-04-17 22:44:15,863 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-04-17 22:44:15,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:44:15,891 INFO L225 Difference]: With dead ends: 868 [2020-04-17 22:44:15,891 INFO L226 Difference]: Without dead ends: 845 [2020-04-17 22:44:15,892 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-04-17 22:44:15,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2020-04-17 22:44:16,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 845. [2020-04-17 22:44:16,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 845 states. [2020-04-17 22:44:16,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 2416 transitions. [2020-04-17 22:44:16,014 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 2416 transitions. Word has length 1 [2020-04-17 22:44:16,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:44:16,015 INFO L479 AbstractCegarLoop]: Abstraction has 845 states and 2416 transitions. [2020-04-17 22:44:16,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-04-17 22:44:16,015 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 2416 transitions. [2020-04-17 22:44:16,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-17 22:44:16,016 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:44:16,016 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-17 22:44:16,016 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:44:16,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:44:16,017 INFO L82 PathProgramCache]: Analyzing trace with hash -415740166, now seen corresponding path program 1 times [2020-04-17 22:44:16,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:44:16,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110681368] [2020-04-17 22:44:16,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:44:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:44:16,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:44:16,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110681368] [2020-04-17 22:44:16,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:44:16,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 22:44:16,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115969297] [2020-04-17 22:44:16,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 22:44:16,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:44:16,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 22:44:16,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:44:16,188 INFO L87 Difference]: Start difference. First operand 845 states and 2416 transitions. Second operand 3 states. [2020-04-17 22:44:16,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:44:16,242 INFO L93 Difference]: Finished difference Result 1161 states and 3206 transitions. [2020-04-17 22:44:16,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 22:44:16,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-04-17 22:44:16,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:44:16,253 INFO L225 Difference]: With dead ends: 1161 [2020-04-17 22:44:16,253 INFO L226 Difference]: Without dead ends: 1161 [2020-04-17 22:44:16,254 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:44:16,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2020-04-17 22:44:16,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 893. [2020-04-17 22:44:16,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 893 states. [2020-04-17 22:44:16,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 2554 transitions. [2020-04-17 22:44:16,298 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 2554 transitions. Word has length 6 [2020-04-17 22:44:16,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:44:16,300 INFO L479 AbstractCegarLoop]: Abstraction has 893 states and 2554 transitions. [2020-04-17 22:44:16,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 22:44:16,300 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 2554 transitions. [2020-04-17 22:44:16,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-04-17 22:44:16,301 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:44:16,301 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-04-17 22:44:16,301 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:44:16,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:44:16,302 INFO L82 PathProgramCache]: Analyzing trace with hash -415770475, now seen corresponding path program 1 times [2020-04-17 22:44:16,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:44:16,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964919830] [2020-04-17 22:44:16,302 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:44:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:44:16,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:44:16,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964919830] [2020-04-17 22:44:16,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:44:16,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 22:44:16,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287249569] [2020-04-17 22:44:16,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-17 22:44:16,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:44:16,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-17 22:44:16,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-17 22:44:16,403 INFO L87 Difference]: Start difference. First operand 893 states and 2554 transitions. Second operand 4 states. [2020-04-17 22:44:16,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:44:16,578 INFO L93 Difference]: Finished difference Result 1256 states and 3556 transitions. [2020-04-17 22:44:16,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-17 22:44:16,579 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-04-17 22:44:16,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:44:16,624 INFO L225 Difference]: With dead ends: 1256 [2020-04-17 22:44:16,624 INFO L226 Difference]: Without dead ends: 1236 [2020-04-17 22:44:16,625 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-17 22:44:16,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2020-04-17 22:44:16,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 971. [2020-04-17 22:44:16,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 971 states. [2020-04-17 22:44:16,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 2760 transitions. [2020-04-17 22:44:16,668 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 2760 transitions. Word has length 6 [2020-04-17 22:44:16,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:44:16,669 INFO L479 AbstractCegarLoop]: Abstraction has 971 states and 2760 transitions. [2020-04-17 22:44:16,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-17 22:44:16,669 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 2760 transitions. [2020-04-17 22:44:16,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-17 22:44:16,671 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:44:16,671 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:44:16,672 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:44:16,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:44:16,672 INFO L82 PathProgramCache]: Analyzing trace with hash -113372245, now seen corresponding path program 1 times [2020-04-17 22:44:16,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:44:16,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378236191] [2020-04-17 22:44:16,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:44:16,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:44:16,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:44:16,756 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378236191] [2020-04-17 22:44:16,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:44:16,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 22:44:16,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169580677] [2020-04-17 22:44:16,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 22:44:16,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:44:16,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 22:44:16,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:44:16,758 INFO L87 Difference]: Start difference. First operand 971 states and 2760 transitions. Second operand 3 states. [2020-04-17 22:44:16,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:44:16,849 INFO L93 Difference]: Finished difference Result 1369 states and 3977 transitions. [2020-04-17 22:44:16,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 22:44:16,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-04-17 22:44:16,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:44:16,860 INFO L225 Difference]: With dead ends: 1369 [2020-04-17 22:44:16,860 INFO L226 Difference]: Without dead ends: 1365 [2020-04-17 22:44:16,861 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:44:16,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2020-04-17 22:44:16,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1011. [2020-04-17 22:44:16,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1011 states. [2020-04-17 22:44:16,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 2821 transitions. [2020-04-17 22:44:16,907 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 2821 transitions. Word has length 8 [2020-04-17 22:44:16,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:44:16,907 INFO L479 AbstractCegarLoop]: Abstraction has 1011 states and 2821 transitions. [2020-04-17 22:44:16,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 22:44:16,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 2821 transitions. [2020-04-17 22:44:16,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-04-17 22:44:16,911 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:44:16,911 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:44:16,911 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:44:16,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:44:16,912 INFO L82 PathProgramCache]: Analyzing trace with hash -113794219, now seen corresponding path program 1 times [2020-04-17 22:44:16,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:44:16,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886572434] [2020-04-17 22:44:16,913 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:44:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:44:16,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:44:16,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886572434] [2020-04-17 22:44:16,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:44:16,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-17 22:44:16,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512300858] [2020-04-17 22:44:16,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 22:44:16,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:44:17,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 22:44:17,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:44:17,003 INFO L87 Difference]: Start difference. First operand 1011 states and 2821 transitions. Second operand 3 states. [2020-04-17 22:44:17,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:44:17,084 INFO L93 Difference]: Finished difference Result 1083 states and 2910 transitions. [2020-04-17 22:44:17,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 22:44:17,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-04-17 22:44:17,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:44:17,093 INFO L225 Difference]: With dead ends: 1083 [2020-04-17 22:44:17,094 INFO L226 Difference]: Without dead ends: 1053 [2020-04-17 22:44:17,094 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:44:17,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2020-04-17 22:44:17,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 1053. [2020-04-17 22:44:17,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1053 states. [2020-04-17 22:44:17,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 2816 transitions. [2020-04-17 22:44:17,132 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 2816 transitions. Word has length 8 [2020-04-17 22:44:17,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:44:17,133 INFO L479 AbstractCegarLoop]: Abstraction has 1053 states and 2816 transitions. [2020-04-17 22:44:17,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 22:44:17,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 2816 transitions. [2020-04-17 22:44:17,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-04-17 22:44:17,140 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:44:17,140 INFO L425 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:44:17,140 INFO L427 AbstractCegarLoop]: === Iteration 6 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:44:17,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:44:17,141 INFO L82 PathProgramCache]: Analyzing trace with hash 780570883, now seen corresponding path program 1 times [2020-04-17 22:44:17,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:44:17,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478993596] [2020-04-17 22:44:17,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:44:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-17 22:44:17,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-17 22:44:17,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478993596] [2020-04-17 22:44:17,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-17 22:44:17,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-17 22:44:17,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094262857] [2020-04-17 22:44:17,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-17 22:44:17,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-17 22:44:17,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-17 22:44:17,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:44:17,213 INFO L87 Difference]: Start difference. First operand 1053 states and 2816 transitions. Second operand 3 states. [2020-04-17 22:44:17,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-17 22:44:17,264 INFO L93 Difference]: Finished difference Result 457 states and 1092 transitions. [2020-04-17 22:44:17,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-17 22:44:17,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-04-17 22:44:17,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-17 22:44:17,269 INFO L225 Difference]: With dead ends: 457 [2020-04-17 22:44:17,270 INFO L226 Difference]: Without dead ends: 446 [2020-04-17 22:44:17,270 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-17 22:44:17,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2020-04-17 22:44:17,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2020-04-17 22:44:17,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2020-04-17 22:44:17,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 1066 transitions. [2020-04-17 22:44:17,288 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 1066 transitions. Word has length 9 [2020-04-17 22:44:17,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-17 22:44:17,290 INFO L479 AbstractCegarLoop]: Abstraction has 446 states and 1066 transitions. [2020-04-17 22:44:17,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-17 22:44:17,290 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 1066 transitions. [2020-04-17 22:44:17,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-04-17 22:44:17,292 INFO L417 BasicCegarLoop]: Found error trace [2020-04-17 22:44:17,292 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-17 22:44:17,292 INFO L427 AbstractCegarLoop]: === Iteration 7 === [thread_usbThread1of1ForFork1Err2INUSE_VIOLATION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr1ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr2ASSERT_VIOLATIONERROR_FUNCTION, thread_usbErr0INUSE_VIOLATION, thread_ath9kErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-17 22:44:17,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-17 22:44:17,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1576902233, now seen corresponding path program 1 times [2020-04-17 22:44:17,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-17 22:44:17,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336160613] [2020-04-17 22:44:17,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-17 22:44:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 22:44:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-04-17 22:44:17,438 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-04-17 22:44:17,438 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-04-17 22:44:17,439 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-04-17 22:44:17,439 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-04-17 22:44:17,445 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [947] [947] L1787-1-->L1770: Formula: (and (= |ULTIMATE.start_ldv_assert_#in~expression_Out-1161578292| 1) (<= |ULTIMATE.start_module_init_#t~nondet41_Out-1161578292| 2147483647) (= (store |#pthreadsMutex_In-1161578292| |~#mutex~0.base_In-1161578292| (store (select |#pthreadsMutex_In-1161578292| |~#mutex~0.base_In-1161578292|) |~#mutex~0.offset_In-1161578292| 0)) |#pthreadsMutex_Out-1161578292|) (= 1 ~pdev~0_Out-1161578292) (<= 0 (+ |ULTIMATE.start_module_init_#t~nondet41_Out-1161578292| 2147483648)) (= ULTIMATE.start_ldv_assert_~expression_Out-1161578292 |ULTIMATE.start_ldv_assert_#in~expression_Out-1161578292|)) InVars {#pthreadsMutex=|#pthreadsMutex_In-1161578292|, ~#mutex~0.base=|~#mutex~0.base_In-1161578292|, ~#mutex~0.offset=|~#mutex~0.offset_In-1161578292|} OutVars{#pthreadsMutex=|#pthreadsMutex_Out-1161578292|, ~#mutex~0.base=|~#mutex~0.base_In-1161578292|, ~pdev~0=~pdev~0_Out-1161578292, ~#mutex~0.offset=|~#mutex~0.offset_In-1161578292|, ULTIMATE.start_module_init_#t~nondet42=|ULTIMATE.start_module_init_#t~nondet42_Out-1161578292|, ULTIMATE.start_module_init_#t~nondet41=|ULTIMATE.start_module_init_#t~nondet41_Out-1161578292|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out-1161578292|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out-1161578292} AuxVars[] AssignedVars[#pthreadsMutex, ~pdev~0, ULTIMATE.start_module_init_#t~nondet42, ULTIMATE.start_module_init_#t~nondet41, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-04-17 22:44:17,448 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [909] [909] L1720-4-->L1738-4: Formula: (let ((.cse0 (= |thread_usbThread1of1ForFork1_#t~ret40_Out-2022924564| |thread_usbThread1of1ForFork1_ath_ahb_probe_#res_Out-2022924564|)) (.cse1 (= 0 thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_In-2022924564)) (.cse2 (= thread_usbThread1of1ForFork1_~probe_ret~0_Out-2022924564 |thread_usbThread1of1ForFork1_#t~ret40_Out-2022924564|))) (or (and .cse0 (= |thread_usbThread1of1ForFork1_ath_ahb_probe_#res_Out-2022924564| (- 1)) (not .cse1) .cse2) (and .cse0 .cse1 (= |thread_usbThread1of1ForFork1_ath_ahb_probe_#res_Out-2022924564| 0) .cse2))) InVars {thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0=thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_In-2022924564} OutVars{thread_usbThread1of1ForFork1_ath_ahb_probe_#res=|thread_usbThread1of1ForFork1_ath_ahb_probe_#res_Out-2022924564|, thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37=|thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37_Out-2022924564|, thread_usbThread1of1ForFork1_#t~ret40=|thread_usbThread1of1ForFork1_#t~ret40_Out-2022924564|, thread_usbThread1of1ForFork1_~probe_ret~0=thread_usbThread1of1ForFork1_~probe_ret~0_Out-2022924564, thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0=thread_usbThread1of1ForFork1_ath_ahb_probe_~error~0_In-2022924564} AuxVars[] AssignedVars[thread_usbThread1of1ForFork1_ath_ahb_probe_#res, thread_usbThread1of1ForFork1_ath_ahb_probe_#t~ret37, thread_usbThread1of1ForFork1_#t~ret40, thread_usbThread1of1ForFork1_~probe_ret~0] because there is no mapped edge [2020-04-17 22:44:17,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.04 10:44:17 BasicIcfg [2020-04-17 22:44:17,511 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-17 22:44:17,514 INFO L168 Benchmark]: Toolchain (without parser) took 18971.24 ms. Allocated memory was 138.9 MB in the beginning and 337.1 MB in the end (delta: 198.2 MB). Free memory was 100.0 MB in the beginning and 178.3 MB in the end (delta: -78.2 MB). Peak memory consumption was 119.9 MB. Max. memory is 7.1 GB. [2020-04-17 22:44:17,520 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-04-17 22:44:17,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1670.80 ms. Allocated memory was 138.9 MB in the beginning and 238.6 MB in the end (delta: 99.6 MB). Free memory was 98.1 MB in the beginning and 165.5 MB in the end (delta: -67.4 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. [2020-04-17 22:44:17,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.04 ms. Allocated memory is still 238.6 MB. Free memory was 165.5 MB in the beginning and 161.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-04-17 22:44:17,523 INFO L168 Benchmark]: Boogie Preprocessor took 102.43 ms. Allocated memory is still 238.6 MB. Free memory was 161.1 MB in the beginning and 158.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-04-17 22:44:17,523 INFO L168 Benchmark]: RCFGBuilder took 1220.90 ms. Allocated memory is still 238.6 MB. Free memory was 158.1 MB in the beginning and 106.9 MB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 7.1 GB. [2020-04-17 22:44:17,527 INFO L168 Benchmark]: TraceAbstraction took 15786.43 ms. Allocated memory was 238.6 MB in the beginning and 337.1 MB in the end (delta: 98.6 MB). Free memory was 106.9 MB in the beginning and 178.3 MB in the end (delta: -71.3 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2020-04-17 22:44:17,540 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1670.80 ms. Allocated memory was 138.9 MB in the beginning and 238.6 MB in the end (delta: 99.6 MB). Free memory was 98.1 MB in the beginning and 165.5 MB in the end (delta: -67.4 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 169.04 ms. Allocated memory is still 238.6 MB. Free memory was 165.5 MB in the beginning and 161.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.43 ms. Allocated memory is still 238.6 MB. Free memory was 161.1 MB in the beginning and 158.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1220.90 ms. Allocated memory is still 238.6 MB. Free memory was 158.1 MB in the beginning and 106.9 MB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15786.43 ms. Allocated memory was 238.6 MB in the beginning and 337.1 MB in the end (delta: 98.6 MB). Free memory was 106.9 MB in the beginning and 178.3 MB in the end (delta: -71.3 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 13.3s, 251 ProgramPointsBefore, 58 ProgramPointsAfterwards, 285 TransitionsBefore, 68 TransitionsAfterwards, 10574 CoEnabledTransitionPairs, 8 FixpointIterations, 142 TrivialSequentialCompositions, 125 ConcurrentSequentialCompositions, 24 TrivialYvCompositions, 47 ConcurrentYvCompositions, 24 ChoiceCompositions, 6396 VarBasedMoverChecksPositive, 72 VarBasedMoverChecksNegative, 26 SemBasedMoverChecksPositive, 60 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 0 MoverChecksTotal, 13875 CheckedPairsTotal, 338 TotalNumberOfCompositions - CounterExampleResult [Line: 1682]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1683] 0 pthread_t t1, t2; [L1684] 0 pthread_mutex_t mutex; [L1685] 0 int pdev; [L1730] 0 int ldv_usb_state; [L1770] COND TRUE 0 __VERIFIER_nondet_int() [L1771] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread_usb, ((void *)0)) VAL [ldv_usb_state=0, mutex={2:0}, pdev=1, t1={5:0}, t2={3:0}] [L1732] 1 ldv_usb_state = 0 [L1733] 1 int probe_ret; VAL [ldv_usb_state=0, mutex={2:0}, pdev=1, t1={5:0}, t2={3:0}] [L1734] COND TRUE 1 1 [L1736] 1 case 0: [L1737] COND TRUE 1 ldv_usb_state==0 [L1719] 1 int error; [L1706] COND TRUE 1 __VERIFIER_nondet_int() [L1707] FCALL, FORK 1 pthread_create(&t2, ((void *)0), thread_ath9k, ((void *)0)) VAL [ldv_usb_state=0, mutex={2:0}, pdev=1, t1={5:0}, t2={3:0}] [L1708] 1 return 0; [L1720] 1 error = ieee80211_register_hw() [L1739] COND FALSE 1 !(probe_ret!=0) [L1741] 1 ldv_usb_state = 1 [L1742] 1 pdev = 7 VAL [ldv_usb_state=1, mutex={2:0}, pdev=7, t1={5:0}, t2={3:0}] [L1693] COND TRUE 2 1 [L1695] 2 case 1: [L1688] 2 pdev = 6 VAL [ldv_usb_state=1, mutex={2:0}, pdev=6, t1={5:0}, t2={3:0}] [L1682] COND TRUE 1 !expression [L1682] 1 __VERIFIER_error() VAL [ldv_usb_state=1, mutex={2:0}, pdev=6, t1={5:0}, t2={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 168 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 15.4s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.4s, HoareTripleCheckerStatistics: 368 SDtfs, 148 SDslu, 195 SDs, 0 SdLazy, 113 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1053occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 887 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 301 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...